Research on Wheel Wear and Optimization of Low-floor Trams Based on Groove Track

被引：0
作者：
Ding J. [1 ]
Yang Y. [1 ]
Li F. [1 ]
Huang Y. [1 ]
Jiang K. [2 ]
机构：
[1] School of Mechanical Engineering, Southwest Jiaotong University, Chengdu
[2] Technology Center, Guangzhou Locomotive Co., Ltd., Guangzhou
来源：
Tiedao Xuebao/Journal of the China Railway Society | 2017年 / 39卷 / 07期
关键词：
Groove track; Multi-point non-elliptical contact model; Tread wear; Wheel back distance; Wheel back wear;
D O I：
10.3969/j.issn.1001-8360.2017.07.008
中图分类号：
学科分类号：
摘要：
Due to complex road conditions and the large number of small radius curves when low-floor trams run in cities, they may suffer serious wear on the wheel and rail. Because of wide use of slotted track rail, the groove of the slotted track rail will come into contact with wheel back under certain conditions, causing wear as well. In order to study the law of wheel wear, taking a new type 70% low-floor tram, independently developed in China, as the research object, its dynamic model was established. Based on the Archard wear model as well as Multi-point non-elliptical contact model, the wear process of the wheel was simulated, and the wheel wear was studied. The results showed that the effect of the wheel back distance on the wear under straight and curve conditions was contradictory. The smaller wheel back distance was favorable to straight line conditions and unfavorable to curve conditions within a certain range. Through the study of the wear of the actual operating line, it is found that the wheel wear mainly occurred in curve driving. The wear of the vehicles on the entire line was optimized. Considering the proportion of the straight lines and the curves, the wear was optimized when the wheel back distance was 1 376 mm. The wheel back distance should match the vehicle suspension parameters when such vehicles using groove type rail are designed. © 2017, Editorial Office of Journal of the China Railway Society. All right reserved.
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页码：54 / 59
页数：5
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