Analysis of Vibration Characteristic of Laminated Coupling of High Power Permanent Magnet Direct Drive Locomotive

Zhihe Zhang; Shoune Xiao; Guangwu Yang; Youtao Liang; Xiangru Zhang

doi:10.16578/j.issn.1004.2539.2021.06.018

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Analysis of Vibration Characteristic of Laminated Coupling of High Power Permanent Magnet Direct Drive Locomotive

Test·Analysis | 更新时间：2022-11-10

- Analysis of Vibration Characteristic of Laminated Coupling of High Power Permanent Magnet Direct Drive Locomotive
- Journal of Mechanical Transmission Vol. 45, Issue 6, Pages: 120-126(2021)
- 作者机构：
  
  1.中车大同电力机车有限公司，山西大同 037000
  2.西南交通大学牵引动力国家重点实验室，四川成都 610031
  3.郑州机械研究所有限公司，河南郑州 450052
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.06.018
  CLC：
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张志和,肖守讷,阳光武等.大功率永磁直驱机车叠片联轴器振动特性分析[J].机械传动,2021,45(06):120-126.

Zhang Zhihe,Xiao Shoune,Yang Guangwu,et al.Analysis of Vibration Characteristic of Laminated Coupling of High Power Permanent Magnet Direct Drive Locomotive[J].Journal of Mechanical Transmission,2021,45(06):120-126.
张志和,肖守讷,阳光武等.大功率永磁直驱机车叠片联轴器振动特性分析[J].机械传动,2021,45(06):120-126. DOI： 10.16578/j.issn.1004.2539.2021.06.018.

Zhang Zhihe,Xiao Shoune,Yang Guangwu,et al.Analysis of Vibration Characteristic of Laminated Coupling of High Power Permanent Magnet Direct Drive Locomotive[J].Journal of Mechanical Transmission,2021,45(06):120-126. DOI： 10.16578/j.issn.1004.2539.2021.06.018.

摘要

为了研究叠片联轴器在永磁直驱机车转向架上运用的安全可靠性，分析在轨道激励作用下叠片联轴器的振动特性，对永磁直驱机车进行了小环线试验，实时监测叠片联轴器及安装位置的加速度变化情况。使用最小二乘迭代法对高速状态下叠片联轴器进行了模态参数识别，获取了联轴器各阶模态参数。根据振级落差定义对高速状态下联轴器的横向、垂向和纵向振动传递特性进行了分析。最后，总结了不同位置的加速度冲击范围随速度等级的变化规律以及加速度RMS值衰减率随位置的变化情况。振级落差分析表明，位置（c）的三方向隔振效果均较好，位置（e）横向隔振效果优于垂向和纵向。采用加速度冲击范围和RMS值衰减率评价，同样得出了位置（c）振动有效衰减的结论。结果可为叠片联轴器在永磁直驱机车转向架上的应用及优化设计提供一定参考。

Abstract

In order to study the safe reliability of using the laminated coupling on the permanent magnet direct drive locomotive and the vibration characteristics of laminated coupling under the action of track excitation are analyzed，a small loop test is carried out on a permanent magnet direct-drive locomotive. The real-time monitoring of acceleration of the laminated coupling and its mounting position are obtained. The least square iteration method is used to identify the modal parameters of the laminated coupling at high speed and the modal parameters are obtained. According to the definition of vibration stage drop，the transmission characteristics of transverse，vertical and longitudinal vibration of coupling at high speed are analyzed. Finally，the variation law of acceleration impact range with velocity grade and the variation of acceleration RMS value decay rate with velocity grade are summarized. The analysis of the vibration level drop shows that the three-directional vibration isolation effect of position (c) is better，and the horizontal vibration isolation effect of position (e) is better than the vertical and longitudinal vibrations. By using acceleration impact range and RMS value attenuation rate evaluation also reached the conclusion that position (c) vibration is effectively attenuated. The conclusion provides a reference for the application and optimization design of the laminated coupling in the permanent magnet direct drive locomotive.

关键词

永磁直驱机车叠片联轴器小环线试验模态参数识别振动传递

Keywords

Permanent magnet direct drive locomotiveLaminated couplingSmall loop testModal parameter identificationVibration transfer

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