Research of the Adaptability and Contact Characteristic of the Mechanical Model of Overrunning Clutch based on the Hertz Theory

Shi Guanglin; Chen Zhangwei; Nie Chao; Zhu Lin

doi:10.16578/j.issn.1004.2539.2017.09.011

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Research of the Adaptability and Contact Characteristic of the Mechanical Model of Overrunning Clutch based on the Hertz Theory

更新时间：2022-10-20

- Research of the Adaptability and Contact Characteristic of the Mechanical Model of Overrunning Clutch based on the Hertz Theory
- Vol. 41, Issue 9, Pages: 58-62(2017)
- 作者机构：
  
  1. 广西科技大学机械工程学院
  2. 东南大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.09.011
  CLC：
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[1]石光林,陈章维,聂超,朱林.基于赫兹理论的超越离合器力学模型适应性和接触特性研究[J].机械传动,2017,41(09):58-62.

Shi Guanglin, Chen Zhangwei, Nie Chao, et al. Research of the Adaptability and Contact Characteristic of the Mechanical Model of Overrunning Clutch based on the Hertz Theory. [J]. 41(9):58-62(2017)
[1]石光林,陈章维,聂超,朱林.基于赫兹理论的超越离合器力学模型适应性和接触特性研究[J].机械传动,2017,41(09):58-62. DOI： 10.16578/j.issn.1004.2539.2017.09.011.

Shi Guanglin, Chen Zhangwei, Nie Chao, et al. Research of the Adaptability and Contact Characteristic of the Mechanical Model of Overrunning Clutch based on the Hertz Theory. [J]. 41(9):58-62(2017) DOI： 10.16578/j.issn.1004.2539.2017.09.011.

摘要

以滚柱式超越离合器为研究对象,采用赫兹接触理论,对其关键传动部件间的接触应力进行分析研究。通过超越离合器常见两种力学分析模型获得了对应接触副间的正压力P,求得了所对应的赫兹应力值,结合赫兹接触优化理论研究成果,提出了两种力学方法的适用条件。并结合有限元仿真分析得到了反映接触副接触特性的部分参数,如接触压力、滑动距离等,同时验证了两种力学方法的适应性条件。结果表明,考虑摩擦因数的力学分析方法更加适合于理论计算,而理想化的线接触分析模型适合于实际工况计算。从而为进一步了解超越离合器的工作特性及后续的优化设计提供了坚实的理论依据。

Abstract

Taking the roller-type overrunning clutch as study object,based on the contact theory of Hertz,the contact stress between the key driving parts of the roller overrunning clutch is analyzed and studied.First,by analyzing the two common mechanical models of the overrunning clutch,the positive pressure P between the corresponding contact pair is obtained and then the Hertz stress value is calculated. Then,the application conditions of two mechanical methods are put forward through combining the contact optimization theory of Hertz. Besides,several parameters,such as contact stress,sliding distance that can reflect the contact characteristics of contact pair are obtained with the application of the finite element analysis software ANSYS,which actually verifies the adaptive conditions of two mechanical methods. The research results indicate that mechanical analysis method,which takes the coefficient of friction into consideration,is much more appropriate to the theoretical calculation,and the idealized line contact analysis model is suitable for the actual working condition,which provides a solid theoretical foundation for further understanding of the overrunning clutch operating characteristics and follow-up optimization design.

关键词

超越离合器赫兹接触接触应力接触特性

Keywords

Overrunning clutchHertz contactContact stressContact characteristic

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