不同钢轨廓形下高速铁路轮轨型面匹配

钱瑶; 王健; 王平; 安博洋; 苏谦; 徐井芒

doi:10.3969/j.issn.0258-2724.2017.02.004

不同钢轨廓形下高速铁路轮轨型面匹配

doi: 10.3969/j.issn.0258-2724.2017.02.004

钱瑶^1,2,
王健^1,2,
王平^1,2,
安博洋^1,2,
苏谦^1,2,
徐井芒^1,2, ,

基金项目:

中央高校基本科研业务费专项资金资助项目(10101B10096030EM)

国家杰出青年科学基金资助项目(51425804)

高速铁路基础研究联合基金重点支持项目(U1334203，U1234201)

中国博士后科学基金资助项目(2016M590898)

中国铁路总公司科技研究开发计划课题(2016G008-A，2015G006-C)

详细信息

作者简介:
钱瑶(1985-),女,讲师,博士研究生,研究方向为高速铁路轮轨关系及轨道动力学,电话:18228306750, E-mail:378495262@qq.com

通讯作者:
徐井芒(1987-),男,博士后,博士,研究方向为高速重载轨道结构及轨道动力学,电话:15928192125, E-mail:mang080887@163.com

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出版历程
- 收稿日期: 2016-05-10
- 刊出日期: 2017-04-25

Wheel-Rail Profile Matching for High Speed Railway with Different Rail Profiles

QIAN Yao^1,2,
WANG Jian^1,2,
WANG Ping^1,2,
AN Boyang^1,2,
SU Qian^1,2,
XU Jingmang^{1,2
, ,}

摘要

摘要: 为了分析不同钢轨廓形对我国高速铁路轮轨型面匹配的影响，针对高速铁路线路上使用的CHN60、60N和60D钢轨廓形，基于经典迹线法、三维非赫兹滚动接触理论及车辆-轨道耦合动力学，分别研究了不同钢轨廓形与高速车轮LMA型面匹配时的轮轨接触特性和车辆动力学性能。研究结果表明：不同钢轨廓形下，轮轨接触几何关系有较明显的差异；在不同轮对横移量下，CHN60钢轨的轮轨接触应力比另外两种钢轨廓形小；当轮对横移量为6 mm时，CHN60钢轨对应的轮轨接触状态最优，其接触斑面积最大，且接触应力分布较为均匀；不同钢轨廓形对车辆的临界速度及曲线通过能力影响较大，60D钢轨与LMA型面匹配时车辆的临界速度约为763 km/h，为三者中最高，但CHN60钢轨与LMa型面匹配时车辆的曲线通过性能最好，相应的轮轨横向力最大值3.584 kN，轮对横移量最大值3.35 mm，是三者中最小。
- 动力学性能 /
- 接触几何 /
- 滚动接触 /
- 型面匹配
Abstract: In order to analyze the influence of different rail profiles on the wheel-rail profile matching of high-speed railway in China, the classic track line method, the 3D non-Hertz rolling contact theory and the vehicle-track coupling dynamics are used to address the profile matching issue between the LMA wheel tread and rails with different profiles, such as types CHN60, 60N and 60D, by analyzing the wheel-rail contact characteristics and the vehicle dynamic performance. The results show that the wheel-rail contact geometry relationship differs with different rail profiles. In whatever cases of wheelset lateral displacements, the wheel-rail contact stress in the CHN60 rail will be smaller than that with the other two rail profiles. When the wheelset lateral displacement is 6 mm, an optimal wheel-rail contact state is achieved in the CHN60 rail, in which the contact spot area is the largest and the contact stress distribution is uniform. In addition, rail profile has a big influence on the critical speed and curve passing performance of a vehicle. The critical speed of the vehicle is about 763 km/h when the 60D rail is matched with the LMA wheel tread, which is the highest of the three. The maximum wheelset lateral force and displacement with the CHN60 rail are 3.584 kN and 3.35 mm, respectively, the smallest of the three, implying that the CHN60 rail owns the best curving passing performance.
- dynamics performance /
- contact geometry /
- rolling contact /
- profile matching

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参考文献(18)

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文章访问数: 749
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被引次数: 0

不同钢轨廓形下高速铁路轮轨型面匹配

doi: 10.3969/j.issn.0258-2724.2017.02.004

作者简介: 钱瑶(1985-),女,讲师,博士研究生,研究方向为高速铁路轮轨关系及轨道动力学,电话:18228306750, E-mail:378495262@qq.com

通讯作者: 徐井芒(1987-),男,博士后,博士,研究方向为高速重载轨道结构及轨道动力学,电话:15928192125, E-mail:mang080887@163.com

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出版历程

Wheel-Rail Profile Matching for High Speed Railway with Different Rail Profiles

计量

出版历程

目录

作者简介:
钱瑶(1985-),女,讲师,博士研究生,研究方向为高速铁路轮轨关系及轨道动力学,电话:18228306750, E-mail:378495262@qq.com

通讯作者:
徐井芒(1987-),男,博士后,博士,研究方向为高速重载轨道结构及轨道动力学,电话:15928192125, E-mail:mang080887@163.com