基于波磨磨耗定量的地铁小半径曲线轮轨仿真

doi:10.16180/j.cnki.issn1007-7820.2020.09.012

电子科技 ›› 2020, Vol. 33 ›› Issue (9): 69-74.doi: 10.16180/j.cnki.issn1007-7820.2020.09.012

基于波磨磨耗定量的地铁小半径曲线轮轨仿真

郑灵霞¹,尧辉明²

1. 上海工程技术大学城市轨道交通学院,上海 201620
2. 同济大学铁道与城市轨道交通研究院,上海 201804

收稿日期:2019-06-11 出版日期:2020-09-15 发布日期:2020-09-12
作者简介:郑灵霞(1995-),女,硕士研究生。研究方向:地铁钢轨波浪形磨耗。|尧辉明(1980-),男,博士,副教授。研究方向:轨道车辆安全监测及故障识别。
基金资助:
十三五国家重点研发计划(2016YFC0802500);上海市科委地方院校能力建设项目(15590501400)

Simulation of Metro Curved Rail Corrugation Based on Wear Quantification

ZHENG Lingxia¹,YAO Huiming²

1. School of Urban Rail Transportation,Shanghai University of Engineering Science,Shanghai 201620,China
2. Institute of Rail Transit,Tongji University,Shanghai 201804,China

Received:2019-06-11 Online:2020-09-15 Published:2020-09-12
Supported by:
National Key Research and Development Plan of the “13th Five Year”(2016YFC0802500);Key Technology R&D Program of Shanghai Committee of Science and Technology(15590501400)

摘要/Abstract

摘要：

针对地铁小半径曲线上普遍存在的钢轨波磨问题,基于轮轨间粘滑振动导致波磨形成的机理,利用MATLAB/Simulink建立了一个集轮轨耦合动力学、轮轨滚动接触力学模型以及Archard材料磨损模型为一体的单轮对轮轨曲线通过仿真模型进行研究。仿真结果表明,曲线半径越大,钢轨波浪型磨耗越不易产生。该结果与实际小半径曲线上波磨频发相符合,证明了该模型的正确性。最后,利用该模型进一步分析了车辆载重与曲线超高对波磨的影响。

关键词: 地铁, 波浪形磨耗, 动力学仿真, 曲线轨道, 磨耗定量, 磨耗因素分析

Abstract:

In view of the rail corrugation problem commonly existing in subway small radius curves, the influence of wheel-rail mechanical parameters on rail corrugation is studied from the perspective of wheel-rail wear. A single wheel-set simulation model integrating wheel-rail dynamic model, wheel-rail rolling contact mechanics model and Archard material wear model is established using MATLAB/Simulink. The simulation results show that the larger the radius of the curve, the less likely the rail corrugation occurrs. The result is consistent with the frequent corrugation of the small radius curve, which proves the correctness of the model. Subsequently, the model is used to further analyze the influence of vehicle load and curve super-high on the wave grinding.

Key words: subway, wave wear, dynamics simulation, curved track, wear quantification, analysis of influencing factors

中图分类号:

TP3-05

郑灵霞,尧辉明. 基于波磨磨耗定量的地铁小半径曲线轮轨仿真[J]. 电子科技, 2020, 33(9): 69-74.

ZHENG Lingxia,YAO Huiming. Simulation of Metro Curved Rail Corrugation Based on Wear Quantification[J]. Electronic Science and Technology, 2020, 33(9): 69-74.

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参考文献 16

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参数名称	单位	数值大小
车辆质量	kg	23 825
转向架质量	kg	3 970
轮对质量	kg	1 654
轮轴扭转惯量	kg·m²	60
轮轴弯曲惯量	kg·m²	500
车体重心高	m	1.85
轮对内侧距	mm	1 353

工况	实载人数	车轮载荷/N
空载AW₀	0	47 046
座满AW₁	56	51 162
定员AW₂	310	69 831
超员AW₃	432	78 789

基于波磨磨耗定量的地铁小半径曲线轮轨仿真

Simulation of Metro Curved Rail Corrugation Based on Wear Quantification

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