• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2021, Vol. 57 ›› Issue (9): 61-70.doi: 10.3901/JME.2021.09.061

• 机械动力学 • 上一篇    下一篇

扫码分享

疲劳点蚀斜齿轮动力学仿真预测与故障识别试验研究

陈勇1, 李金锴1, 臧立彬1, 刘意气2, 毕旺洋1, 杨小朋1   

  1. 1. 河北工业大学天津市新能源汽车动力传动与安全技术重点实验室 天津 300130;
    2. 浙江吉利动力总成有限公司 宁波 315800
  • 收稿日期:2020-06-23 修回日期:2020-12-10 出版日期:2021-05-05 发布日期:2021-06-15
  • 通讯作者: 臧立彬(通信作者),男,1990年出生,博士研究生。主要研究方向为齿轮表面改性与齿轮摩擦学。E-mail:zanglibin906@163.com
  • 作者简介:陈勇,男,1954年出生,博士,教授,博士研究生导师。主要研究方向为汽车变速器开发与高强度齿轮技术。E-mail:chenyong1585811@163.com;李金锴,男,1996年出生,硕士研究生。主要研究方向为变速器齿轮故障诊断。E-mail:15612032102@163.com
  • 基金资助:
    国家重点研发计划(2018YFE0207000)、国家留学基金委(201906700014)和河北省全职引进高端人才资助项目。

Dynamic Simulation and Experimental Identification for Fatigue Pitting Helical Gear Fault

CHEN Yong1, LI Jinkai1, ZANG Libin1, LIU Yiqi2, BI Wangyang1, YANG Xiaopeng1   

  1. 1. Tianjin Key Laboratory of Power Transmission and Safety Technology for New Energy Vehicles, Hebei University of Technology, Tianjin 300130;
    2. Zhejiang Geely Powertrain Co. Ltd, Ningbo 315800
  • Received:2020-06-23 Revised:2020-12-10 Online:2021-05-05 Published:2021-06-15

摘要: 斜齿轮是汽车变速器的核心传动零部件,齿面点蚀是影响汽车变速器传动平稳与可靠性的主要故障形式之一。通过冲击函数法,接触线百分比法和齿轮系统动力学理论,建立了不同点蚀类型的斜齿轮系统动力学模型,分析了点蚀斜齿轮系统的动态响应。同时,通过齿轮疲劳点蚀试验,获得了不同点蚀程度齿轮振动加速度信号,并通过快速傅里叶变换(Fast Fourier transformation,FFT)分析,得到了不同点蚀程度对齿轮振动加速度的时域和频域特征变化规律,验证了动力学模型的准确性。结果表明,运用动力学方法分析斜齿轮系统动态响应可以对斜齿轮点蚀程度和点蚀形式进行预测和识别。

关键词: 斜齿轮, 点蚀, 动力学, 动态响应

Abstract: Helical gears are the core components of automobile transmissions, and tooth pitting is one of the main failure forms that affect the transmission stability and reliability of automobile transmissions. Based on the impact function method, contact line percentage method and gear system dynamics theory, the dynamic model of helical gear system with different pitting types is established. The dynamic response of pitting helical gear system is analyzed. At the same time, through the gear fatigue pitting test, vibration acceleration signals of gears with different pitting degrees are obtained. The time and frequency domain characteristics of different pitting degrees on gear vibration acceleration are obtained through FFT analysis. Thus, the accuracy of the dynamic model is verified. The results show that the dynamic response of the helical gear system can be used to predict and identify the pitting degree and form of the helical gear.

Key words: helical gear, pitting, dynamics, dynamic response

中图分类号: