Study on Load Distribution of Involute Spline Pair in Tooth Direction Used in Power Split

Cheng Wang; Feihong Mao; Wei Hou; Peng Gui; Tiangang Zou

doi:10.16578/j.issn.1004.2539.2020.12.006

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Study on Load Distribution of Involute Spline Pair in Tooth Direction Used in Power Split

Theory·Reserach | 更新时间：2022-11-10

- Study on Load Distribution of Involute Spline Pair in Tooth Direction Used in Power Split
- Journal of Mechanical Transmission Vol. 44, Issue 12, Pages: 36-42(2020)
- 作者机构：
  
  1.中国北方车辆研究所车辆传动重点实验室，北京 100072
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2020.12.006
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王成,毛飞鸿,侯威等.功率分流渐开线花键副齿向载荷分配规律研究[J].机械传动,2020,44(12):36-42.

Wang Cheng,Mao Feihong,Hou Wei,et al.Study on Load Distribution of Involute Spline Pair in Tooth Direction Used in Power Split[J].Journal of Mechanical Transmission,2020,44(12):36-42.
王成,毛飞鸿,侯威等.功率分流渐开线花键副齿向载荷分配规律研究[J].机械传动,2020,44(12):36-42. DOI： 10.16578/j.issn.1004.2539.2020.12.006.

Wang Cheng,Mao Feihong,Hou Wei,et al.Study on Load Distribution of Involute Spline Pair in Tooth Direction Used in Power Split[J].Journal of Mechanical Transmission,2020,44(12):36-42. DOI： 10.16578/j.issn.1004.2539.2020.12.006.

摘要

以功率分流系统中的两种典型渐开线花键副为研究对象，分别建立了纯转矩作用下齿向载荷分配系数的解析模型，研究了载荷作用位置、转矩分配和花键扭转刚度对齿向载荷分配的影响。结果表明，对于第一种渐开线花键副，随着齿向载荷分配位置和载荷分配比例的增加，最大载荷分配系数先减小后增加，存在最优载荷作用位置和最优载荷分配比例，使最大齿向载荷分配系数达到最小，减小比例分别为56.67%和51.83%；当左侧扭转刚度为450×10,6, N/rad且右侧扭转刚度为522×10,6, N/rad时，最大载荷分配系数达到最小值2.08；对于第二种渐开线花键副，随着左侧转矩位置的增加，最大载荷分配系数逐渐增加，增加比例为14.36%；而载荷分配对最大载荷分配系数的影响很小；随着扭转刚度的增加，最大载荷分配系数呈线性比例增加，增加比例为16.86%。

Abstract

Taking two kinds of typical involute splines applied in the power split system as the research object，the theoretical analysis models of the load distribution factor in the tooth direction are established respectively，and the effects of load position，torque distribution and torsional rigidity of splines on the load distribution in the tooth direction are studied. The results show that，for the first kind of involute spline pair，with the increase of load distribution position and load distribution ratio，the maximum load distribution factor first decreases and then increases. There are optimal load position and optimal load distribution ratio to minimize the maximum load distribution factor，with the reduction ratio of 56.67% and 51.83% respectively. When the left torsional stiffness is 450×10,6, N/rad and the right torsional stiffness is 522×10,6, N/rad，the maximum load distribution factor reaches the minimum value of 2.08，and the maximum value increases by 31.8% compared with the minimum value. For the second involute spline pair，the maximum load distribution factor increases gradually with the increase of the left torque position，and the increase proportion is 14.36%，the influence of load distribution on the maximum load distribution factor is very small. With the increase of torsional rigidity，the maximum load distribution factor increases by 16.86%.

关键词

渐开线花键齿向载荷分配功率分流

Keywords

Involute splineTooth load distributionPower split

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