[1]李华,等.地铁车辆地板振动异常的测试分析及优化改进[J].机车电传动,2017,(04):69.[doi:10.13890/j.issn.1000-128x.2017.04.018]
 LI Hua,XIN Li,et al.Analysis and Optimization of Abnormal Vibration of Metro Vehicle Floor[J].Electric Drive for Locomotives,2017,(04):69.[doi:10.13890/j.issn.1000-128x.2017.04.018]
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地铁车辆地板振动异常的测试分析及优化改进()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2017年04期
页码:
69
栏目:
城市轨道车辆
出版日期:
2017-07-10

文章信息/Info

Title:
Analysis and Optimization of Abnormal Vibration of Metro Vehicle Floor
文章编号:
1000-128X(2017)04-0069-04
作者:
李华 1 3忻力 2丁杰 1王永胜1臧晓斌1
(1. 株洲中车时代电气股份有限公司轨道交通技术中心,湖南 株洲 412001; 2. 中车株洲所电气技术与材料工程研究院,湖南株洲 412001; 3. 变流技术国家工程研究中心,湖南株洲 412001)
Author(s):
LI Hua1 3 XIN Li2 DING Jie1 WANG Yongsheng1 ZANG Xiaobin1
( 1.Technology Center, Zhuzhou CRRC Times Electric Co., Ltd., Zhuzhou, Hunan 412001, China; 2. CRRC ZIC Research Institute of Electrical Technology and Material Engineering, Zhuzhou, Hunan 412001, China; 3. National Engineering Research Center of Converters, Zhuzhou, Hunan 412001, China )
关键词:
地铁车辆地板振动共振传递函数测试分析
Keywords:
metro vehicle floor vibration resonance transfer function test and analysis
分类号:
U231;U260.11+1
DOI:
10.13890/j.issn.1000-128x.2017.04.018
文献标志码:
A
摘要:
针对某地铁车辆其中一节车厢地板在交付过程中出现的振动异常问题,开展了大量的振动测试及分析,找到了异常振动的来源,排除了变压器箱和地板共振的可能;通过振动传递特性分析,确定了地板振动异常是该节车厢车体梁在98 Hz 附近存在局部共振引起,并提出了解决方案。通过对地板下方的隔振层进行优化,地板振动降低34%。
Abstract:
In view of the abnormal vibration of a carriage floor in the delivery process of a metro vehicle, a large number of vibration tests and analysis were carried out to find the source of the abnormal vibration and eliminate the possibility of the transformer box and floor resonance. Through the analysis of the vibration transmission characteristics, it was determined that the floor vibration anomaly was caused by the local resonance of the car body beam near 98 Hz, and the solution was put forward. Finally, the floor vibration was reduced by 34% after optimizing the isolation layer below the floor.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:李 华(1978-),男,硕士,高级工程师,现从事变流技术研究及相关科研管理工作。
更新日期/Last Update: 2017-07-10