重庆大学学报2025，Vol.48Issue(1)：10-20,11.DOI:10.11835/j.issn.1000-582X.2024.201
点蚀故障下行星齿轮传动振动特性
Vibration characteristics of planetary gear transmission under pitting faults
摘要
Abstract
This study investigates the vibration characteristics of planetary gear transmissions subjected to pitting faults.Gear contacts are modeled using the Hertzian contact theory,and multi-flexible body dynamics models are established and simulated for gears in healthy,mild,moderate and severe states of pitting damage.The time-frequency domain vibration responses of planetary gears are analyzed under these different conditions of pitting corrosion.A vibration test platform for planetary gearboxes is built to capture the vibration response signals,which are used to verify the accuracy and reliability of the dynamic model of pitting-induced vibrations.The results show that both the effective and peak-to-peak values of vibration velocity in the Y-direction increase with the severity of the pitting damage.The vibration velocity and acceleration of the slightly corroded model show distinct sideband frequencies,and the experimental results are basically in agreement with the simulation results.Additionally,the study identifies variations in the width and depth of micro-pitting and macro-pitting during their expansion.关键词
行星齿轮传动/点蚀/振动特性/时频响应Key words
planetary gear transmission/pitting/vibration characteristics/time-frequency responses分类
机械工程引用本文复制引用
彭宇林,魏静,张爱强,段田堂,颜强..点蚀故障下行星齿轮传动振动特性[J].重庆大学学报,2025,48(1):10-20,11.基金项目
国家重大研究项目资助(J2019-IV-0018-0086).Supported by National Major Research Project of China(J2019-IV-0018-0086). （J2019-IV-0018-0086）
