Analysis and Optimization of Abnormal Vibration of Metro Vehicle Floor

LI Hua; XIN Li; DING Jie; WANG Yongsheng; ZANG Xiaobin

doi:10.13890/j.issn.1000-128x.2017.04.018

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Analysis and Optimization of Abnormal Vibration of Metro Vehicle Floor

更新时间：2021-12-13

- Analysis and Optimization of Abnormal Vibration of Metro Vehicle Floor
- Electric Drive for Locomotives Issue 4, Pages: 69(2017)
- 作者机构：
  
  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. 变流技术国家工程研究中心,湖南,株洲,412001
  3. 中车株洲所电气技术与材料工程研究院,湖南,株洲,412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2017.04.018
  CLC：
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LI Hua, XIN Li, DING Jie, et al. Analysis and Optimization of Abnormal Vibration of Metro Vehicle Floor. [J]. Electric Drive for Locomotives (4):69(2017)
DOI：

LI Hua, XIN Li, DING Jie, et al. Analysis and Optimization of Abnormal Vibration of Metro Vehicle Floor. [J]. Electric Drive for Locomotives (4):69(2017) DOI： 10.13890/j.issn.1000-128x.2017.04.018.

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.

关键词

地铁车辆地板振动共振传递函数测试分析

Keywords

metro vehiclefloorvibrationresonancetransfer functiontest and analysis

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Related Institution

Operating Business Headquarters, Guangzhou Metro Group Co., Ltd.

Operating Company, Shenyang Metro

Technology Center, Zhuzhou CRRC Times Electric Co., Ltd.

CRRC Nanjing Puzhen Co., Ltd.

State Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University

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