考虑齿间滑动影响的高速列车传动齿轮动态接触特性分析

doi:10.3901/JME.2021.10.087

机械工程学报 ›› 2021, Vol. 57 ›› Issue (10): 87-94.doi: 10.3901/JME.2021.10.087

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考虑齿间滑动影响的高速列车传动齿轮动态接触特性分析

肖乾, 王丹红, 陈道云, 朱海燕

华东交通大学载运工具与装备教育部重点实验室南昌 330013

收稿日期:2020-07-23 修回日期:2020-11-20 出版日期:2021-05-20 发布日期:2021-07-23
作者简介:肖乾,男,1977年出生,博士,教授,博士研究生导师。主要从事轨道车辆轮轨关系、轨道车辆运维装备的研究与开发。E-mail:jxralph@foxmail.com
基金资助:
国家自然科学基金（51975210，51665015）、江西省自然科学基金（20181ACB20007，20202ACBL204008）和牵引动力国家重点实验室开放课题（TPL2007）资助项目。

Analysis of Dynamic Contact Characteristics of High-speed Train Transmission Gear Considering the Influence of Sliding between the Teeth

XIAO Qian, WANG Danhong, CHEN Daoyun, ZHU Haiyan

Key Laboratory of Ministry of Education for Conveyance and Equipment, East China Jiaotong University, Nanchang 330013

Received:2020-07-23 Revised:2020-11-20 Online:2021-05-20 Published:2021-07-23

摘要/Abstract

摘要： 为研究高速列车传动齿轮在啮合过程中因接触表面各啮合点处滑差不一致对动态接触特性的影响。以CRH3型动车组转向架传动齿轮为研究对象，基于齿轮接触相关理论及轮齿摩擦关系，引入考虑轮齿表面滑差、动力黏度及载荷等因素下的EHL时变摩擦模型，利用ABAQUS/Standard提供的隐式直接积分法对低速重载工况下的传动齿轮进行动态分析。通过对比无摩擦、常摩擦因数及变摩擦下的仿真结果分析齿轮间滑差及摩擦因数大小对齿轮副动态接触特性的影响。结果表明，表面啮合节点摩擦因数不一致对齿轮接触合力、接触斑面积、Mises、接触应力最大值及其分布影响很小；在啮合过程中，考虑滑差影响的齿面摩擦力波动更平缓，均值较常摩擦增加了40%；摩擦剪应力分布比采用常摩擦得到的结果更贴合实际。而常摩擦因数数值的增加对应力分布影响不大，但会使得接触面应力值相应增加，加剧系统的周期性振动。

关键词: 高速列车, 齿轮传动, 有限元法, 变摩擦因数, 滑动率, 接触特性

Abstract: In order to study the influence of the inconsistent slip on the contact surface of high speed train transmission gear on the dynamic contact characteristics during the meshing process. The bogie transmission gear of CRH3 EMU was taken as the research object. Based on the gear contact theory and gear tooth friction relationship, the time-varying EHL friction model considering tooth surface slip, dynamic viscosity and load was introduced. The dynamic analysis of transmission gear under low speed and heavy load condition is carried out by the implicit integration scheme provided by ABAQUS/Standard. By comparing the simulation results under the condition of frictionless, constant friction coefficient and variable friction coefficient, the influence of the tooth surface slip and the friction coefficient on the dynamic contact characteristics of gears were analyzed. The results showed that the inconsistency of friction coefficient of surface meshing nodes is inconsistent, had little effect on the maximum value and distribution of contact force, contact area, Mises, contact stress; When considering the influence of slip in the meshing process, the tooth surface friction fluctuates more gently, and the mean value of friction increases by 40% compared with the normal friction; The distribution of frictional shear stress is closer to the actual situation than that of constant friction. The increase of constant friction coefficient has little influence on the stress distribution, but it will increase the stress contact surface correspondingly and aggravate the periodic vibration of the system.

Key words: high-speed train, gear transmission, finite element method(FEM), variable friction coefficient, sliding ratio, contact characteristics

中图分类号:

U270

肖乾, 王丹红, 陈道云, 朱海燕. 考虑齿间滑动影响的高速列车传动齿轮动态接触特性分析[J]. 机械工程学报, 2021, 57(10): 87-94.

XIAO Qian, WANG Danhong, CHEN Daoyun, ZHU Haiyan. Analysis of Dynamic Contact Characteristics of High-speed Train Transmission Gear Considering the Influence of Sliding between the Teeth[J]. Journal of Mechanical Engineering, 2021, 57(10): 87-94.

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考虑齿间滑动影响的高速列车传动齿轮动态接触特性分析

Analysis of Dynamic Contact Characteristics of High-speed Train Transmission Gear Considering the Influence of Sliding between the Teeth

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