轮轨激励对高速列车轴装制动盘热-机耦合疲劳分析

doi:10.3901/JME.2024.04.409

机械工程学报 ›› 2024, Vol. 60 ›› Issue (4): 409-419.doi: 10.3901/JME.2024.04.409

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轮轨激励对高速列车轴装制动盘热-机耦合疲劳分析

朱海燕^1,2, 黎洁^1,2, 肖乾^1,2, 陈道云^1,2

1. 华东交通大学轨道交通基础设施性能监测与保障国家重点实验室南昌 330013;
2. 华东交通大学机电与车辆工程学院南昌 330013

收稿日期:2023-03-14 修回日期:2023-11-06 出版日期:2024-02-20 发布日期:2024-05-25
通讯作者: 朱海燕,男,1975年出生,博士,教授,博士研究生导师。主要研究方向为车辆系统动力学与疲劳强度。E-mail:zhupetrelcao@163.com
作者简介:黎洁,男,1996年出生。主要研究方向为制动盘热机耦合关系。E-mail:pearjie_li@163.com;肖乾,男,1977年出生,博士,教授,博士研究生导师。主要研究方向为轨道车辆轮轨关系、轨道车辆运维装备研究与开发。E-mail:jxralph@foxmail.com;陈道云,男,1988年出生,博士,副教授。主要研究方向为结构疲劳可靠性。E-mail:chendaoyun@ecjtu.edu.cn
基金资助:
国家自然科学基金(52162045); 江西省自然科学基金面上(20224BAB204040,20202BABL214028);江西省自然科学基金面上重点(20232ACB204022); 轨道交通运载系统全国重点实验室开放课题(RVL2403); 江西省教育厅科技(GJJ210666); 载运工具与装备教育部重点实验室自主课题(KLCEZ2022-11)资助项目

Thermal-mechanical Coupling Fatigue Analysis of High-speed Train Axle-mounted Brake Disc under Wheel-rail Excitation

ZHU Haiyan^1,2, LI Jie^1,2, XIAO Qian^1,2, CHEN Daoyun^1,2

1. State Key Laboratory of Performance Monitoring and Protecting of Rail Transit Infrastructure, East China Jiaotong University, Nanchang 330013;
2. School of Mechatronics and Vehicle Engineering, East China Jiaotong University, Nanchang 330013

Received:2023-03-14 Revised:2023-11-06 Online:2024-02-20 Published:2024-05-25

摘要/Abstract

摘要： 为研究轮轨激励对高速列车轴装制动盘热-机耦合疲劳影响,建立高速列车制动盘动力学模型和三维瞬态热-机耦合有限元模型,对紧急制动工况下轴装制动盘振动特性和热-机耦合特性进行计算分析。结果表明,高速列车制动盘在垂向上的振动加速度值最大,横向上最小,且振动形式以制动抖动为主,在0~100 Hz范围抖动最剧烈;与无轮轨激励工况相比,有轮轨激励的轴装制动盘表面温度升高得既快又高,在散热时,温度下降也更快;摩擦面总体呈现三个环状温度分布,在摩擦半径中心处制动盘表面温度比两侧温度高,在三个不同的摩擦半径上,温度呈现梯度分布;有、无轮轨激励工况下制动盘表面的疲劳损伤和疲劳寿命的分布云图与制动盘表面的温度场分布情况基本一致,且热应力越大制动盘表面的疲劳损伤越严重,疲劳寿命越短。

关键词: 轮轨激励, 振动, 热机耦合, 制动盘, 热疲劳损伤

Abstract: A high-speed train brake disc dynamics model and a three-dimensional transient thermal mechanical finite element interaction model are developed to investigate dynamic effect of wheel vibration on the fatigue of the thermal-mechanical couplings of brake discs mounted on high-speed rails. The results show that the vibration acceleration value of the brake disc of high-speed train is the maximum in vertical direction and the minimum in transverse direction, and the vibration form is mainly brake jitter, and the jitter is the most severe in the range of 0-100 Hz; In comparison, the surface temperature of the brake disc attached to the shaft increases rapidly with the rail and decreases rapidly with temperature; The surface of the brake disc usually shows three hot circles;And the surface of the brake disc is located in the middle of the friction circle, the temperature is higher than the temperature on both sides, the temperature shows the gradient distribution of the three different friction differences. Brake disc surface fatigue damage and fatigue life distribution cloud diagram with and without wheel track tension basically corresponds to the distribution of the brake disc surface temperature field, the higher the thermal stress, the more serious the fatigue damage increase. The fatigue life of the brake disc surface is shortened.

Key words: wheel-rail excitation, vibration, thermo-mechanical coupling, brake disc, thermal fatigue damage

中图分类号:

U270

朱海燕, 黎洁, 肖乾, 陈道云. 轮轨激励对高速列车轴装制动盘热-机耦合疲劳分析[J]. 机械工程学报, 2024, 60(4): 409-419.

ZHU Haiyan, LI Jie, XIAO Qian, CHEN Daoyun. Thermal-mechanical Coupling Fatigue Analysis of High-speed Train Axle-mounted Brake Disc under Wheel-rail Excitation[J]. Journal of Mechanical Engineering, 2024, 60(4): 409-419.

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轮轨激励对高速列车轴装制动盘热-机耦合疲劳分析

Thermal-mechanical Coupling Fatigue Analysis of High-speed Train Axle-mounted Brake Disc under Wheel-rail Excitation

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