行星轮齿轮箱太阳轮齿根裂纹传递特性分析

doi:10.3969/j.issn.1004-132X.2023.18.004

中国机械工程 ›› 2023, Vol. 34 ›› Issue (18): 2177-2185.DOI: 10.3969/j.issn.1004-132X.2023.18.004

行星轮齿轮箱太阳轮齿根裂纹传递特性分析

沈子钰;张砦;王友仁;李泓锟

南京航空航天大学自动化学院，南京，211106

出版日期:2023-09-25 发布日期:2023-10-19
通讯作者: 张砦(通信作者)，男，1980年生，博士、副教授。研究方向为航空机载装备故障诊断与故障预测、智能故障诊断与故障预测。E-mail：wolnyzhang@nuaa.edu.cn。
作者简介:沈子钰，男，1998年生，硕士研究生。研究方向为故障诊断。
基金资助:
航空发动机及燃气轮机重大专项基础研究（J2019-Ⅳ-0018-0086）; 航空科学基金（20183352031）;南京航空航天大学创新计划 (xcxjh20210333)

Analysis of Transmission Characteristics of Sun Wheel Root Cracks in Planetary Wheel Gearboxes#br#

SHEN Ziyu；ZHANG Zhai;WANG Youren;LI Hongkun

School of Automation Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing,211106

Online:2023-09-25 Published:2023-10-19

摘要/Abstract

摘要： 采用集中参数模型，考虑啮合振动的内部激励，分别对齿轮箱内啮合和外啮合两种方式下的振动信号特征进行了分析。引入改进高斯窗的时变路径函数和考虑齿轮箱材料的时不变路径函数，改进行星轮齿轮箱箱体表面振动信号模型，分析太阳轮齿根在正常和裂纹情况下，不同传递路径对箱体表面振动信号调制现象的定量影响规律。仿真和实验对比分析表明：太阳轮齿根裂纹主要影响啮合频率倍频的边频带成分；该模型能够准确分析齿轮箱正常工况和太阳轮齿根裂纹情况下振动信号的频率、幅值和边频信息，可用于太阳轮齿根裂纹故障诊断。

关键词: 行星轮齿轮箱, 振动传递路径, 调制机理, 数学模型

Abstract: A centralized parametric model was used to analyze the vibration signal characteristics under two modes of gearbox internal and external meshing respectively, considering the internal excitation of meshing vibrations. Improved time-varying path functions for Gaussian windows and considering time-invariant path functions for gearbox materials were introduced to improve the vibration signal model of the planetary wheel gearbox case surface, and the quantitative influence laws of different transmission paths on the vibration signal modulation phenomenon of the case surface under normal and cracked sun wheel tooth roots were analyzed. The simulation and experimental comparison analysis demonstrate: the sun wheel root cracks mainly affect the side frequency band components of the mesh frequency octave, the model may accurately analyze the frequency, amplitude and side frequency information of the vibration signals under normal gearbox conditions and sun wheel root crack, and may be used for sun wheel root crack fault diagnosis.

Key words: planetary wheel gearbox, vibration transmission path, modulation mechanism, mathematical model

中图分类号:

TH17

沈子钰, 张砦, 王友仁, 李泓锟. 行星轮齿轮箱太阳轮齿根裂纹传递特性分析[J]. 中国机械工程, 2023, 34(18): 2177-2185.

SHEN Ziyu, ZHANG Zhai, WANG Youren, LI Hongkun. Analysis of Transmission Characteristics of Sun Wheel Root Cracks in Planetary Wheel Gearboxes#br#[J]. China Mechanical Engineering, 2023, 34(18): 2177-2185.

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http://www.cmemo.org.cn/CN/Y2023/V34/I18/2177

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行星轮齿轮箱太阳轮齿根裂纹传递特性分析

Analysis of Transmission Characteristics of Sun Wheel Root Cracks in Planetary Wheel Gearboxes#br#

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