[1]吴会超,徐蕴,石俊杰.高速动车组车体异常振动的试验研究[J].机车电传动,2014,(04):75-78.[doi:10.13890/j.issn.1000-128x.2014.04.020]
 WU Hui-chao,XU Yun,SHI Jun-jie.Test Study on Carbody Abnormal Vibration of High-speed EMUs[J].Electric Drive for Locomotives,2014,(04):75-78.[doi:10.13890/j.issn.1000-128x.2014.04.020]
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高速动车组车体异常振动的试验研究
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2014年04期
页码:
75-78
栏目:
试验检测
出版日期:
2014-07-10

文章信息/Info

Title:
Test Study on Carbody Abnormal Vibration of High-speed EMUs
文章编号:
1000-128X(2014)04-0075-04
作者:
吴会超1徐蕴2石俊杰1
1. 唐山轨道客车有限责任公司 2. 唐山市水利规划设计研究院
Author(s):
WU Hui-chao1XU Yun2SHI Jun-jie1
(1. Tangshan Railway Vehicle Co., Ltd., Tangshan, Hebei 063035, China; 2. Water Resources Planning and Design Institute of Tangshan, Tangshan, Hebei 063000, China)
关键词:
高速动车组异常振动轮轨激扰轮轨匹配等效锥度车体
Keywords:
high-speed EMUs abnormal vibration wheel-rail excitation wheel-rail matching equivalent conicity carbody
分类号:
U266.2;U260.14+3
DOI:
10.13890/j.issn.1000-128x.2014.04.020
文献标志码:
A
摘要:
对某高速动车组的车体异常振动进行了车轮踏面测量、车体振动的在线跟踪测试、调头运营以及镟修前后的车体振动对比分析。轮轨磨耗导致轮轨匹配关系在局部区段发生变化,从而导致等效锥度增大影响了车辆的动力学性能;车体异常振动主要表现为9.5 Hz左右的谐振响应,其中调头运营不能解决车体异常振动的问题,但是镟修车轮却能够有效改善车体异常振动问题。得出车体异常振动的根本原因在于轮轨关系的不匹配,从而导致轮轨激扰向上传递引起车体的局部共振。因此不论镟修车轮还是打磨轨道都可以通过改善轮轨匹配关系最终消除车体的异常振动问题。
Abstract:
Carbody abnormal vibration analysis of a high-speed EMUs was researched, mainly containing the wheel tread measurements,carbody vibration on-line test, turn around running and vibration compared before and after repairing profile. The results showed that the change of wheel/rail wear matching in the partial line induced equivalent conicity increasing and affected vehicle dynamic performance. The performance of carbody abnormal vibration was the resonance response around 9.5 Hz. Turn running could not solve the problem of carbody abnormal vibration, but repairing profile was able to effectively improve carbody abnormal vibration. The root reason of carbody appearing abnormal vibration was mismatch between wheel and rail, which led to excitation passing up and results in carbody local resonance. So repairing profile and repairing track both could improve the matching relation between wheel and rail, and solve carbody abnormal vibration problems.

参考文献/References:

[1] 曾京,罗仁. 考虑车体弹性效应的铁道客车系统振动 分析[J]. 铁道学报,2007,29(6):19-25. [2] 周劲松,宫岛,任利惠. 铁道车辆弹性车体被动减振仿真 分析[J]. 同济大学学报,2009,37(8):1085-1089. [3] 邬平波,薛世海,杨晨辉. 基于弹性车体模型的高速客车动 态响应[J]. 交通运输工程学报,2005,5(2):5- 8. [4] 吴会超,邬平波. CIT400高速检测车车体与车下设备耦合 振动分析报告[R]. 成都:西南交通大学,2011 .

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备注/Memo

备注/Memo:
作者简介:吴会超(1980-), 男,博士,从事车辆动力学 及强度研究。
更新日期/Last Update: 2014-07-10