CONTACT STRESS ANALYSIS AND OPTIMIZATION OF DOUBLE SHOCK SLEEVE MOVABLE TOOTH

SHEN HaiTao; AN ZiJun

doi:10.16579/j.issn.1001.9669.2021.04.016

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CONTACT STRESS ANALYSIS AND OPTIMIZATION OF DOUBLE SHOCK SLEEVE MOVABLE TOOTH

更新时间：2022-09-22

- CONTACT STRESS ANALYSIS AND OPTIMIZATION OF DOUBLE SHOCK SLEEVE MOVABLE TOOTH
- Journal of Mechanical Strength Vol. 43, Issue 4, Pages: 874-880(2021)
- 作者机构：
  
  1. 燕山大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2021.04.016
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SHEN HaiTao, AN ZiJun. CONTACT STRESS ANALYSIS AND OPTIMIZATION OF DOUBLE SHOCK SLEEVE MOVABLE TOOTH. [J]. 43(4):874-880(2021)
DOI：

SHEN HaiTao, AN ZiJun. CONTACT STRESS ANALYSIS AND OPTIMIZATION OF DOUBLE SHOCK SLEEVE MOVABLE TOOTH. [J]. 43(4):874-880(2021) DOI： 10.16579/j.issn.1001.9669.2021.04.016.

摘要

双激波套筒活齿传动结构中的活齿是关键且容易失效的零件,活齿的接触应力分析对于提高机构承载能力及使用寿命具有重要意义。通过数值法对活齿接触表面压力及次表面应力场分布进行求解,结果显示接触应力会出现奇异和应力集中的问题,严重影响了传动机构的传动性能。应用对数母线修形法与遗传优化算法对套筒活齿的结构进行优化设计,结果表明,该方法能够有效改善活齿接触应力奇异和应力集中现象。研究结果能为双激波套筒活齿传动和线接触类零件的结构设计及优化提供理论指导。

Abstract

The movable tooth in the double shock sleeve movable tooth transmission structure is an indispensable part,which is easy to fail. The contact stress analysis of the movable tooth is of great significance to improve the bearing capacity and service life of the mechanism. The contact surface pressure and subsurface stress field distribution of movable teeth are solved by numerical method. The results show that the contact stress will appear singularity and stress concentration,which seriously affect the transmission performance of the transmission mechanism. In this paper,the logarithmic generatrix modification method and genetic optimization algorithm are used to optimize the structure of sleeve movable teeth. The results show that this method can effectively improve the contact stress singularity and stress concentration of movable teeth. The research results can provide theoretical guidance for the structural design and optimization of double shock sleeve movable tooth transmission and line contact parts.

关键词

双激波套筒活齿传动表面接触压力分布次表面应力场优化

Keywords

Double shock waveSleeve movable tooth transmissionSurface contact pressure distributionSubsurface stress fieldOptimization

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