DYNAMIC SIMULATION AND DIAGNOSIS OF FATIGUE PITTING FAULT OF HELICAL GEAR (MT)

LIU Rui; CHEN Yong; LI GuangXin; WU YiMin; WANG WenQing; ZHAO YuTing

doi:10.16579/j.issn.1001.9669.2023.05.006

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DYNAMIC SIMULATION AND DIAGNOSIS OF FATIGUE PITTING FAULT OF HELICAL GEAR (MT)

更新时间：2023-11-16

- DYNAMIC SIMULATION AND DIAGNOSIS OF FATIGUE PITTING FAULT OF HELICAL GEAR (MT)
- Journal of Mechanical Strength Issue 5, Pages: 1050-1057(2023)
- 作者机构：
  
  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
  2. 宁波吉利罗佑发动机零部件有限公司
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2023.05.006
  CLC：
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LIU Rui, CHEN Yong, LI GuangXin, et al. DYNAMIC SIMULATION AND DIAGNOSIS OF FATIGUE PITTING FAULT OF HELICAL GEAR (MT). [J]. Journal of Mechanical Strength (5):1050-1057(2023)
DOI：

LIU Rui, CHEN Yong, LI GuangXin, et al. DYNAMIC SIMULATION AND DIAGNOSIS OF FATIGUE PITTING FAULT OF HELICAL GEAR (MT). [J]. Journal of Mechanical Strength (5):1050-1057(2023) DOI： 10.16579/j.issn.1001.9669.2023.05.006.

摘要

齿面点蚀是斜齿轮的主要故障之一。不同齿面及不同程度的点蚀故障诊断需要大量的实验数据支撑。提出一种仿真与实验相结合的方法，对斜齿轮齿面点蚀程度和数量进行故障识别。建立了单齿面点蚀和多齿面点蚀等不同点蚀故障类型的斜齿轮动力学模型，对动态响应信号进行包络谱分析，得到了不同点蚀故障类型时域和频域的特征响应规律。对齿轮接触疲劳实验振动信号进行特性分析，验证了斜齿轮点蚀故障动力学模型的准确性。结果表明，齿轮点蚀故障动力学模型可以对单齿面不同点蚀程度和多齿面点蚀进行诊断识别，为传动齿轮故障诊断与健康预测提供诊断依据。

Abstract

Tooth surface pitting is one of the main faults of helical gear. A large number of experimental data are needed for the diagnosis of pitting corrosion faults on different tooth surfaces and different degrees. Therefore, a method combining simulation and experiment is proposed to identify the degree and quantity of pitting corrosion on helical gear tooth surface. The envelope spectrum analysis of dynamic response signals is carried out, and the characteristic response laws of different pitting fault types in time domain and frequency domain are obtained. Through the characteristic analysis of the vibration signal of gear contact fatigue experiment, the accuracy of the dynamic model of helical gear pitting corrosion fault is verified. The results show that the gear pitting fault dynamic model can diagnose and identify the pitting corrosion degree of single tooth surface and multi tooth surface, and provide a diagnostic basis for transmission gear fault diagnosis and health prediction.

关键词

斜齿轮齿面点蚀动力学仿真故障诊断

Keywords

Helical gearTooth surface pittingDynamic simulationFault diagnosis

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