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冲击工况下行星齿轮系统点蚀故障评估方法
Evaluation Method for Pitting Failure of the Planetary Gear System Under Impact Conditions
- 机械传动 2024年48卷第1期 页码：82-88
- 作者机构：
河北工业大学 机械工程学院， 天津 300401
- 作者简介：
傅博伟（1993— ），男，河北廊坊人，硕士研究生；主要研究方向为旋转机械故障诊断；13785465065@163.com。
甄冬（1982— ），男，山东泰安人，博士，教授；主要研究方向为机械状态检测和故障诊断、无损检测等；d.zhen@hebut.edu.cn。
- 基金信息：国家自然科学基金项目(52275101┫天津市科技计划项目┣21JCZDJC00720;22YDTPJC00010)
DOI：10.16578/j.issn.1004.2539.2024.01.012
中图分类号：纸质出版日期：2024-01-15，
收稿日期：2022-10-01，
修回日期：2022-11-04，
- 稿件说明：
移动端阅览
傅博伟,杨杰,刘英辉等.冲击工况下行星齿轮系统点蚀故障评估方法[J].机械传动,2024,48(01):82-88.
Fu Bowei,Yang Jie,Liu Yinghui,et al.Evaluation Method for Pitting Failure of the Planetary Gear System Under Impact Conditions[J].Journal of Mechanical Transmission,2024,48(01):82-88.
傅博伟,杨杰,刘英辉等.冲击工况下行星齿轮系统点蚀故障评估方法[J].机械传动,2024,48(01):82-88. DOI： 10.16578/j.issn.1004.2539.2024.01.012.
Fu Bowei,Yang Jie,Liu Yinghui,et al.Evaluation Method for Pitting Failure of the Planetary Gear System Under Impact Conditions[J].Journal of Mechanical Transmission,2024,48(01):82-88. DOI： 10.16578/j.issn.1004.2539.2024.01.012.
摘要
行星齿轮系统作为工业减速机的关键结构，在运转过程中受到循环载荷和冲击载荷的作用，易使齿轮表面金属疲劳剥落，形成点蚀故障。当系统受到冲击载荷作用时，振动信号的剧烈波动会干扰系统的故障识别。针对该问题，基于冲击工况下含点蚀故障的行星齿轮系统动态特性分析，开发了诊断指标。首先，基于解析几何方法及Hertz接触理论建立了齿轮副接触刚度模型；其次，引入冲击载荷，利用冲击函数法求解了太阳轮-行星轮啮合力；最后，基于系统动态响应信号的频谱分布规律，提出了边带质心能量指标，实现了故障冲击与载荷冲击的准确辨识。
Abstract
As the key structure of industrial reducers
the planetary gear system will be subject to cyclic load and impact load during the operation
which will cause metal fatigue peeling off the surface of gears and form pitting fault. When the system is subject to the impact load
the severe fluctuation of vibration signal will disturb the fault identification of the system. To solve this problem
a diagnostic index is developed based on the dynamic characteristics analysis of the planetary gear system with pitting fault under impact conditions. Firstly
the contact stiffness model of gear pairs is established based on the analytic geometry method and the Hertz contact theory. Secondly
the impact load is introduced
and the contact force between sun gears and planet gears is solved by the impact function method. Finally
based on the spectrum distribution of the system dynamic response signal
the energy index of the sideband centroid is proposed
which realizes the accurate identification of the fault impact and the load impact.
关键词
冲击载荷行星齿轮动态响应点蚀故障损伤估计
Keywords
Impact loadPlanetary gearDynamic responsePitting failureDamage estimation
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