纯电动汽车高速斜齿轮传动振动特性分析

doi:10.3969/j.issn.1004-132X.2020.15.007

中国机械工程 ›› 2020, Vol. 31 ›› Issue (15): 1808-1814.DOI: 10.3969/j.issn.1004-132X.2020.15.007

纯电动汽车高速斜齿轮传动振动特性分析

杜进辅, 王峥嵘, 刘凯, 文建爽, 毛锦

西安理工大学机械与精密仪器工程学院, 西安, 710048

收稿日期:2019-07-07 出版日期:2020-08-10 发布日期:2020-08-26
作者简介:杜进辅,男,1984年生,副教授。主要研究方向为齿轮传动先进设计与制造技术。发表论文20余篇。E-mail:dujinfu@xaut.edu.cn。
基金资助:
国家自然科学基金资助项目(51705419)；中国博士后科学基金资助项目(2018M633540)；陕西省自然科学基础研究计划资助项目(2017JQ5011)；陕西省博士后科学基金资助项目(2018BSHEDZZ10)

Analysis on Vibration Characteristics of High-speed Helical Gear Transmission for Pure Electric Vehicles

DU Jinfu, WANG Zhengrong, LIU Kai, WEN Jianshuang, MAO Jin

School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an, 710048

Received:2019-07-07 Online:2020-08-10 Published:2020-08-26

摘要/Abstract

摘要： 为研究高转速情况下时变啮合刚度和啮合冲击对斜齿轮传动振动特性的影响,以某纯电动汽车高速斜齿轮传动为研究对象,建立了弯-扭-轴动力学模型；采用改进的基于承载接触分析的计算方法获得时变啮合刚度曲线，并计算了啮合冲击时间及啮合冲击力幅值；分析了时变啮合刚度、啮合冲击以及两者综合3种激励条件下高速斜齿轮传动系统的振动特性。结果表明：时变啮合刚度激励下,在过共振区，转速变化对系统振动的影响不显著；啮合冲击激励以及综合激励条件下,系统振动随转速的升高而增大,与啮合冲击激励相比，综合激励下振动加速度增幅较缓。研究结果可为纯电动汽车高速斜齿轮传动的设计和工程应用提供参考依据。

关键词: 时变啮合刚度, 啮合冲击, 高速, 斜齿轮, 振动

Abstract: In order to study the influences of time-varying meshing stiffness and meshing impacts on the dynamic characteristics of the helical gear transmissions, a high-speed helical gear transmission was taken as the research object. The bending-torsion-axis coupling dynamics model was established. The computing method based on the improved loaded tooth contact analysis (LTCA) was applied to calculate the time-varying meshing stiffness. The meshing impact time and the size of the meshing impact forces were calculated. The vibration characteristics of the helical gear systems were analyzed under three excitation conditions: the time-varying meshing stiffness, the meshing impacts, and their combination. The results show that, the effects of rotation speed changes on system vibration are unsignificant in nonresonant regions under the time-varying meshing stiffness excitations, but the system vibration increases with the increase of the rotation speed under the meshing impact excitations and comprehensive excitations, and the amplifications of the vibration are relatively small compared with that of the meshing impact excitations. This research may provide a reference for the design and applications of high speed helical gear transmissions in PEVs.

Key words: time-varying meshing stiffness, meshing impact, high speed, helical gear, vibration

中图分类号:

TH132.4

杜进辅, 王峥嵘, 刘凯, 文建爽, 毛锦. 纯电动汽车高速斜齿轮传动振动特性分析[J]. 中国机械工程, 2020, 31(15): 1808-1814.

DU Jinfu, WANG Zhengrong, LIU Kai, WEN Jianshuang, MAO Jin. Analysis on Vibration Characteristics of High-speed Helical Gear Transmission for Pure Electric Vehicles[J]. China Mechanical Engineering, 2020, 31(15): 1808-1814.

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http://www.cmemo.org.cn/CN/Y2020/V31/I15/1808

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纯电动汽车高速斜齿轮传动振动特性分析

Analysis on Vibration Characteristics of High-speed Helical Gear Transmission for Pure Electric Vehicles

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