Research on the stability against overturning for EMU bogie with inner axle box suspension

SU Rui; FU Maohai; LI Ziang; CHE Yunhang

doi:10.13890/j.issn.1000-128X.2023.01.010

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Research on the stability against overturning for EMU bogie with inner axle box suspension

Railway Rolling Stock | 更新时间：2024-08-02

- Research on the stability against overturning for EMU bogie with inner axle box suspension
- Electric Drive for Locomotives Issue 1, Pages: 72-77(2023)
- 作者机构：
  
  西南交通大学机械工程学院，四川成都　610031
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2023.01.010
  CLC： U292.91⁺4;U270.331
- Published：10 January 2023，
  
  Received：24 November 2022，
  
  Revised：01 January 2023，
- 稿件说明：
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苏瑞, 付茂海, 李子昂, 等. 内轴箱悬挂高速动车组转向架抗倾覆稳定性研究[J]. 机车电传动, 2023(1): 72-77.

SU Rui, FU Maohai, LI Ziang,et al. Research on the stability against overturning for EMU bogie with inner axle box suspension[J]. Electric Drive for Locomotives, 2023(1): 72-77.
苏瑞, 付茂海, 李子昂, 等. 内轴箱悬挂高速动车组转向架抗倾覆稳定性研究[J]. 机车电传动, 2023(1): 72-77. DOI： 10.13890/j.issn.1000-128X.2023.01.010.

SU Rui, FU Maohai, LI Ziang,et al. Research on the stability against overturning for EMU bogie with inner axle box suspension[J]. Electric Drive for Locomotives, 2023(1): 72-77. DOI： 10.13890/j.issn.1000-128X.2023.01.010.

摘要

内轴箱转向架由于轴箱悬挂内置大幅度降低了车体的抗侧滚刚度，影响其运行性能。为提高其抗倾覆性能，内轴箱转向架通常采取安装抗侧滚扭杆和提高一系悬挂垂向刚度的措施。文章提出了一种抗倾覆装置，以提高内轴箱悬挂高速动车组转向架抗倾覆稳定性。该装置由2条互不连通的回路组成，安装在轮对轴箱和构架之间。在分析抗倾覆装置的基本原理、刚度特性和车辆动力学模型之后，利用MATLAB/Simulink软件，联合AMESim和SIMPACK软件进行联合仿真，得到车辆在不同速度条件下通过大半径曲线时的动力学性能和动态包络线。结果表明，采用抗倾覆装置可以在保证车辆运行稳定性的条件下大幅提高车体的抗侧滚能力，在车辆脱轨系数和轮轴横向力等安全性指标方面有着更优异的表现，同时有着较小的动态包络线。

Abstract

Due to the built-in axle box suspension

the EMU bogie with an inner axle box causes an obvious decrease in the anti-roll stiffness of the carbody and accordingly affects the running performance. The inner axle box bogie is usually accompanied with the measures of installing anti-rolling torsion bars and increasing the vertical stiffness of primary suspension

in order to improve the stability against overturning of the carbody. This paper proposed an anti-overturning device special for the EMU bogie with an inner axle box. It consisted of two disconnected circuits installed between the wheelset axle box and the frame. After analyzing the basic principle and stiffness characteristics of the anti-overturning device and vehicle dynamics model

co-simulation was performed to generate the dynamics performance and dynamic envelope of the vehicle passing large radius curves at various speeds by MATLAB/Simulink

AMESim and SIMPACK. The results show the effectiveness of the anti-overturning device to increase the anti-roll ability of the vehicle while maintaining the running stability

and the better safety indicators such as derailment coefficient and wheelset lateral force

in addition to a smaller dynamic envelope.

关键词

高速动车组内轴箱悬挂抗倾覆曲线动态包络线联合仿真轨道不平顺

Keywords

EMUinner axle box suspensionanti-overturningcurvedynamic envelopeco-simulationtrack irregularity

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