Effect of High-speed Train Polygonal Wheels on Wheel/Rail Contact Force and Bogie Vibration

被引：13
|
作者：
Wu Y. [1 ]
Han J. [1 ]
Liu J. [2 ]
Liang S. [1 ]
Jin X. [1 ]
机构：
[1] State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu
[2] Science and Technology on Reactor System Resign Technology Laboratory, Unclear Power Institude of China, Chengdu
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2018年 / 54卷 / 04期
关键词：
High-frequency vibration; High-speed train; Polygonal wear; Train/track coupling dynamics model; Wheel/rail contact force;
D O I：
10.3901/JME.2018.04.037
中图分类号：
学科分类号：
摘要：
The polygonal wheels of high-speed trains will increase the wheel-rail vertical force dramatically and have a bad effect on the components of the vehicles and rails. Then the safety of the trains can’t be assured. The damage of bogie’s components is found through site testing which related to high-order polygonal wear of wheels. The vehicle-track coupling dynamics model with polygonal wheels is established. The effect of amplitude and order of polygonal wear and running speed on wheel/rail force and acceleration of the wheelsets and the bogies is invested. The results show that the higher speed of the train and amplitude and order of wheel polygon can lead to the higher wheel/rail force and the higher acceleration. The results obtained in this investigation may be helpful for the further study on the mechanism of polygonal wear of the wheels. © 2018 Journal of Mechanical Engineering.
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页码：37 / 46
页数：9
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