Analysis of Torsional Vibration Characteristic for the Crown Gear Coupling of EMU

Shi Zhenqiang; Xia Qinghua; Zhang Dezhi; Zhang Dianlong; Zhu Changping

doi:10.16578/j.issn.1004.2539.2017.08.018

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Analysis of Torsional Vibration Characteristic for the Crown Gear Coupling of EMU

更新时间：2022-10-20

- Analysis of Torsional Vibration Characteristic for the Crown Gear Coupling of EMU
- Vol. 41, Issue 8, Pages: 86-89(2017)
- 作者机构：
  
  1. 泰尔重工股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.08.018
  CLC：
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[1]石珍强,夏清华,张德智,张殿龙,朱昌平.动车组鼓形齿联轴器扭振特性分析[J].机械传动,2017,41(08):86-89+104.

Shi Zhenqiang, Xia Qinghua, Zhang Dezhi, et al. Analysis of Torsional Vibration Characteristic for the Crown Gear Coupling of EMU. [J]. 41(8):86-89(2017)
[1]石珍强,夏清华,张德智,张殿龙,朱昌平.动车组鼓形齿联轴器扭振特性分析[J].机械传动,2017,41(08):86-89+104. DOI： 10.16578/j.issn.1004.2539.2017.08.018.

Shi Zhenqiang, Xia Qinghua, Zhang Dezhi, et al. Analysis of Torsional Vibration Characteristic for the Crown Gear Coupling of EMU. [J]. 41(8):86-89(2017) DOI： 10.16578/j.issn.1004.2539.2017.08.018.

摘要

扭转振动是动车组鼓形齿联轴器产品设计必须考虑的重要内容之一,根据动车组鼓形齿联轴器结构特点和运行工况,采用集中参数法建立鼓形齿联轴器扭振系统力学模型,并给出系统扭转振动微分方程。对扭振微分方程进行求解计算,得到系统固有频率和主振型。同时考虑内外齿啮合刚度时变特性,给出齿轮扭转刚度简化计算方法。最后,给出了动车组鼓形齿联轴器扭振分析算例。上述扭振分析计算方法将为动车组鼓形齿联轴器的振动控制和相关设计提供一定的参考依据。

Abstract

The torsional vibration should be serious considered in the product design of the crown gear coupling of EMU. According to the structural characteristics and operating conditions of the crown gear coupling of EMU,the torsional vibration system mechanical model of the crown gear coupling is established by using lumped parameter method,and the differential equation of torsional vibration is established. The natural frequencies and the principal modes of system are obtained by solving the differential equation of torsional vibration. Moreover,considering time-varying meshing stiffness of inner and external teeth,the simplified calculation method for torsional stiffness of gear is presented. Finally,an example about analysis of torsional vibration for the coupling of EMU is given. The method of analysis of torsional vibration can provide some reference for vibration control and design of the crown gear coupling of EMU.

关键词

动车组联轴器鼓形齿联轴器扭振分析扭转刚度

Keywords

EMU couplingCrown gear couplingAnalysis of torsional vibrationTorsion stiffness

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