# 1.3 采埃孚ZF同轴减速器原理介绍

#### **<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">ZF 同轴减速器进展</span>**

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">采埃孚</span><span lang="EN-US">ZF </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">的同轴减速器不同于舍弗勒的</span><span lang="EN-US">NW</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">方案，而是比较巧妙的差减一体方案，即没有专门的差速器机构，而是融入了行星轮系之中。</span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">根据新闻，该款</span><span lang="EN-US">ZF</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">减速器已经于</span><span lang="EN-US">2025</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">年在国内量产。以下是</span><span lang="EN-US">2025</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">年</span><span lang="EN-US">12</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">月的新闻。</span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">“全球首台基于行星齿轮技术方案的</span><span lang="EN-US">Indi</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">同轴减速器产品，近日在采埃孚杭州工厂正式下线并实现批量交付。这一创新产品将搭载于中国头部汽车制造商的主流中高端电动车型（实际是搭载吉利极氪汽车），该车型首批车辆即将投放市场。此次批量交付不仅标志着采埃孚在电驱动核心部件领域的重要突破，同时也以</span><span lang="EN-US">“</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">德国技术概念</span><span lang="EN-US">+</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">中国自主研发</span><span lang="EN-US">”</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">的创新模式，为采埃孚深化全球电动化战略、巩固亚太市场领先地位注入核心动能。”</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/9rEimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/9rEimage.png)

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/nxuimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/nxuimage.png)

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">新闻稿里提到的主要优点</span>

<span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;">1)<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">空间效率提升：相比传统减速器，体积缩减约</span><span lang="EN-US">50%</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">，为电动车底盘布局释放更多设计自由度；</span>

<span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;">2)<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">重量减轻：重量降低</span><span lang="EN-US">50%</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">，助力整车续航能力提升；</span>

<span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;">3)<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">传动效率优化：通过减少能量损耗，显著提升车辆动力性能与能效表现。</span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">集成</span><span lang="EN-US">Indi</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">减速器的三合一电驱动系统爆炸图：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/1qdimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/1qdimage.png)

#### **<span lang="EN-US">ZF Indi </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">减速器的原理</span>**

<span lang="EN-US">ZF Indi</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">同轴减速器实际上是两级的</span><span lang="EN-US">NGW</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">行星排串联而成，一级的齿圈作为二级的太阳轮，固定二级的行星架，分别使用一级的行星架和二级的齿圈输出。这种结构原理看似简单，实际一点也不容易，要对行星轮减速器有深入的理解才能玩的转。</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/TQhimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/TQhimage.png)

##### **<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">速比计算</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">行星齿轮基本运动关系式</span>**

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">对于简单行星齿轮机构（</span><span lang="EN-US">Simple Planetary Gear Train</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">），其基本运动关系为：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/iPGimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/iPGimage.png)

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">其中：</span>

<span lang="EN-US">n<sub>s</sub> </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">：太阳轮转速</span>

<span lang="EN-US">n<sub>R</sub> </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">：内齿圈转速</span>

<span lang="EN-US">n<sub>PC</sub> </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">：行星架（载体）转速</span>

<span lang="EN-US">α </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">：齿数比参数，定义为</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/2xVimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/2xVimage.png)

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">该公式描述了在行星齿轮机构中，太阳轮、内齿圈与行星架三者之间的转速约束关系。</span>

**<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">公式的物理意义</span>**

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">该公式可改写为：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/Mlfimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/Mlfimage.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">从中可以看出：</span>

<span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;">1)<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">行星架转速是太阳轮转速与齿圈转速的齿数加权平均。</span>

<span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;">2)<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">当</span><span lang="EN-US"> α </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">较大（齿圈齿数远大于太阳轮）时，行星架转速更接近齿圈转速</span>

<span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman';"><span style="mso-list: Ignore;">3)<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">当</span><span lang="EN-US"> α </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">较小时，行星架转速更接近太阳轮转速</span>

##### **<span lang="EN-US">ZF Indi </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">两级减速计算</span>**

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">采埃孚这款减速器简单来看，是两级</span><span lang="EN-US">NGW</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">简单行星排的串联，因此可以使用两个</span><span lang="EN-US">NGW</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">行星排的速比计算公式联立进行计算。</span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">第一级：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/97Gimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/97Gimage.png)

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">第二级：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/INKimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/INKimage.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">二级太阳轮和一级齿圈共转速：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/VtJimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/VtJimage.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">二级行星架固定，转速为</span><span lang="EN-US">0</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/Ktlimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/Ktlimage.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">另外：</span>

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span lang="EN-US"> </span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/vTfimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/vTfimage.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">综合以上条件，可以得到：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/Am5image.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/Am5image.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

**<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">物理意义：</span>**

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">这个式子本质上是一个转速平衡</span><span lang="EN-US">/</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">分流关系：输入太阳轮转速</span><span lang="EN-US"> n\_S1</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">被分解成两部分：一部分通过一级行星架输出</span><span lang="EN-US">n\_pc1</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">，另一部分通过二级行星排</span><span lang="EN-US"> → </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">齿圈输出</span><span lang="EN-US">n\_R2</span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">如果要作为减速器使用，那么直行情况左右车轮转速必须得相等，即</span><span lang="EN-US">n\_pc1 = n\_S1</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">。那么齿比关系要满足的必要条件就是：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/DBzimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/DBzimage.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">这个条件非常重要，是设计这款减速器的必须要满足的条件，关系到齿轮齿数的配比。</span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">最终减速器的速比：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/63Jimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/63Jimage.png)

##### **<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">差速原理 - 转速差速</span>**

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">以下公式本身就说明</span> <span lang="EN-US">PC1 </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">与</span><span lang="EN-US"> R2 </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">之间存在确定的线性运动学耦合，</span><span lang="EN-US"> n\_PC1 </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">与</span><span lang="EN-US"> n\_R2 </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">之间互相线性制约，但并没有被唯一确定。这正是差速机构的数学特征：一个输入</span><span lang="EN-US"> → </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">两个输出之间存在一条线性约束</span><span lang="EN-US"> → </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">输出可相对变化。</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/1iVimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/1iVimage.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">如果固定输入转速</span><span lang="EN-US">n\_S1 = </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">常数，把总方程改写成差速形式</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/t1Eimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/t1Eimage.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">或写成</span><span lang="EN-US">“</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">相对变化率</span><span lang="EN-US">”</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/Anrimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/Anrimage.png)

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">物理意义：</span><span lang="EN-US">R2 </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">转速增加，</span><span lang="EN-US">PC1 </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">必然按比例降低，比例由齿数参数决定。由前述分析可知：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/uABimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/uABimage.png)

*<span lang="EN-US" style="font-family: 'Cambria Math',serif;">  
</span>*<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">所以，会得到：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/Ebgimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/Ebgimage.png)

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">那就意味着一边转速的减少，等于另一边转速的增加量，这就实现了差速功能。</span>

##### **<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">差速原理 - 扭矩均分</span>**

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">除了差速，还要能够实现扭矩均分</span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">理想无损条件下的功率守恒</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/Firimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/Firimage.png)

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">用转速</span><span lang="EN-US"> × </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">扭矩表示：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/BEximage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/BEximage.png)

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">代入速度关系可得：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/QEmimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/QEmimage.png)

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">两个输出扭矩之比为：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/vr9image.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/vr9image.png)

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">这就是该机构的**固有扭矩分配比。因为 1+ α1 = α1 x α2**</span><span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; position: relative; top: 4.0pt; mso-text-raise: -4.0pt; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">，所以</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">这就说明了扭矩是均分的。</span>

#### **<span lang="EN-US">ZF Indi </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">减速器基本参数</span>**

**<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">下边据说是量产的这款减速器的基本参数：</span>**

<table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid align-center" id="bkmrk-%E5%8F%82%E6%95%B0-%E8%AF%A5%E6%AC%BE%E7%94%B5%E9%A9%B1%E7%B3%BB%E7%BB%9F%E6%80%A7%E8%83%BD-%E7%94%B5%E6%9C%BA%E7%B1%BB%E5%9E%8B-%C2%A0-%E5%86%B7" style="border-collapse: collapse; border: none; width: 66.0714%; border-spacing: 0px;"><tbody><tr style="mso-yfti-irow: 0; mso-yfti-firstrow: yes;"><td style="width: 14.2685%; border: 1pt solid windowtext; background: white; padding: 0cm 5.4pt;" valign="top" width="78">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">参数</span>**

</td><td colspan="6" style="width: 85.9723%; border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; border-left: none; background: white; padding: 0cm 5.4pt;" valign="top" width="476">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">该款电驱系统性能</span>**

</td></tr><tr style="mso-yfti-irow: 1;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; background: white; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">电机类型</span>

</td><td colspan="6" style="width: 85.9723%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: white; padding: 0cm 5.4pt;" valign="top" width="476"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 2;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; background: white; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">冷却方式</span>

</td><td colspan="6" style="width: 85.9723%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: white; padding: 0cm 5.4pt;" valign="top" width="476"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 3;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; background: white; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">电压等级</span>

</td><td colspan="6" style="width: 85.9723%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: white; padding: 0cm 5.4pt;" valign="top" width="476"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 4;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; background: white; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">峰值扭矩</span>

</td><td colspan="6" style="width: 85.9723%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: white; padding: 0cm 5.4pt;" valign="top" width="476"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 5;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; background: white; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">峰值功率</span>

</td><td colspan="6" style="width: 85.9723%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: white; padding: 0cm 5.4pt;" valign="top" width="476"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 6;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; background: white; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">持续功率</span>

</td><td colspan="6" style="width: 85.9723%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: white; padding: 0cm 5.4pt;" valign="top" width="476"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 7;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; background: white; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">持续扭矩</span>

</td><td colspan="6" style="width: 85.9723%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: white; padding: 0cm 5.4pt;" valign="top" width="476"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 8;"><td colspan="7" style="width: 100.241%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; background: white; padding: 0cm 5.4pt;" valign="top" width="553">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">减速器主要参数</span>**

</td></tr><tr style="mso-yfti-irow: 9;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; background: rgb(213, 220, 228); padding: 0cm 5.4pt;" valign="top" width="78">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">参数</span>**

</td><td style="width: 12.2818%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: rgb(213, 220, 228); padding: 0cm 5.4pt;" valign="top" width="79">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">太阳轮<span lang="EN-US">S1</span></span>**

</td><td style="width: 10.4756%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: rgb(213, 220, 228); padding: 0cm 5.4pt;" valign="top" width="79">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">行星轮<span lang="EN-US">P1</span></span>**

</td><td style="width: 9.0307%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: rgb(213, 220, 228); padding: 0cm 5.4pt;" valign="top" width="79">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">齿圈<span lang="EN-US">R1</span></span>**

</td><td style="width: 7.76641%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: rgb(213, 220, 228); padding: 0cm 5.4pt;" valign="top" width="79">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">太阳轮<span lang="EN-US">S2</span></span>**

</td><td style="width: 6.68272%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: rgb(213, 220, 228); padding: 0cm 5.4pt;" valign="top" width="79">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">行星轮<span lang="EN-US">P2</span></span>**

</td><td style="width: 39.7351%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: rgb(213, 220, 228); padding: 0cm 5.4pt;" valign="top" width="79">**<span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体; color: black; mso-color-alt: windowtext;">齿圈<span lang="EN-US">R2</span></span>**

</td></tr><tr style="mso-yfti-irow: 10;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">齿轮旋向</span>

</td><td style="width: 12.2818%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">36</span>

</td><td style="width: 10.4756%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">49</span>

</td><td style="width: 9.0307%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">136</span>

</td><td style="width: 7.76641%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">151</span>

</td><td style="width: 6.68272%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">20</span>

</td><td style="width: 39.7351%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">193</span>

</td></tr><tr style="mso-yfti-irow: 11;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">齿数</span>

</td><td style="width: 12.2818%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 10.4756%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 9.0307%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 7.76641%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 6.68272%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 39.7351%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 12;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">速比</span>

</td><td colspan="6" style="width: 85.9723%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="476"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">1+ 136/36+ 136/36 x 193/151 = <span style="background: yellow; mso-highlight: yellow;">9.606</span></span>

</td></tr><tr style="mso-yfti-irow: 13;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">齿轮模数</span>

</td><td style="width: 12.2818%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 10.4756%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 9.0307%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 7.76641%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 6.68272%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 39.7351%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 14;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">压力角</span>

</td><td style="width: 12.2818%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 10.4756%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 9.0307%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 7.76641%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 6.68272%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 39.7351%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 15;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">螺旋角</span>

</td><td style="width: 12.2818%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 10.4756%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 9.0307%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 7.76641%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 6.68272%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 39.7351%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 16;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">中心距</span>

</td><td style="width: 12.2818%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 10.4756%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 9.0307%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 7.76641%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 6.68272%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 39.7351%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 17;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">齿宽</span>

</td><td style="width: 12.2818%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 10.4756%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 9.0307%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 7.76641%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 6.68272%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 39.7351%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr><tr style="mso-yfti-irow: 18; mso-yfti-lastrow: yes;"><td style="width: 14.2685%; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt;" valign="top" width="78"><span style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;">齿顶圆</span>

</td><td style="width: 12.2818%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 10.4756%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 9.0307%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 7.76641%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 6.68272%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td><td style="width: 39.7351%; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt;" valign="top" width="79"><span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 10.5pt; font-family: 宋体;"> </span>

</td></tr></tbody></table>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">分别计算：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/NiBimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/NiBimage.png)

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">发现两者并不完全相等，那么左右轮的扭矩之比为：</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/lnlimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/lnlimage.png)

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">假设输入扭矩</span><span lang="EN-US">T<sub>s1 </sub>=520Nm</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">，那么</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/X0vimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/X0vimage.png)

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">左右轮的扭矩差值</span>

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/DiFimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/DiFimage.png)

<span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>

<span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">这款减速器据说已经量产，反过来说明，实际应用中，可能没办法保证</span> <span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; position: relative; top: 4.0pt; mso-text-raise: -4.0pt; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span><span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">和</span><span lang="EN-US" style="font-size: 12.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 宋体; position: relative; top: 4.0pt; mso-text-raise: -4.0pt; mso-font-kerning: 0pt; mso-ligatures: none; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span><span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">完全相等，而是确保差值在一定范围内，进而确保左右轮端分配的扭矩和转速差控制在一定范围内。</span>

#### **<span lang="EN-US">ZF Indi </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">减速器实物图片</span>**

[![image.png](https://ecar.officesimple.net/uploads/images/gallery/2026-02/scaled-1680-/qVvimage.png)](https://ecar.officesimple.net/uploads/images/gallery/2026-02/qVvimage.png)

<span lang="EN-US" style="font-size: 11.0pt; mso-bidi-font-size: 12.0pt; line-height: 115%; font-family: 等线; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"> </span>