RESEARCH AND ANALYSIS OF COMBINED ENERGY⁃ABSORBING STRUCTURE FOR FRONT END OF METRO VEHICLES

SU Qiang; WANG XuDong; ZHANG Jie; LIU Kai; XING SongLing

doi:10.16579/j.issn.1001.9669.2024.04.016

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RESEARCH AND ANALYSIS OF COMBINED ENERGY⁃ABSORBING STRUCTURE FOR FRONT END OF METRO VEHICLES

Experimental Research · Testing Technology | 更新时间：2024-12-26

- RESEARCH AND ANALYSIS OF COMBINED ENERGY⁃ABSORBING STRUCTURE FOR FRONT END OF METRO VEHICLES
- Journal of Mechanical Strength Vol. 46, Issue 4, Pages: 877-886(2024)
- 作者机构：
  
  1. 北京轨道交通技术装备集团有限公司
  2. 北京市基础设施投资有限公司
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2024.04.016
  CLC： U260.32
- Published：15 August 2024，
- 稿件说明：
移动端阅览
SU QIANG, WANG XUDONG, ZHANG JIE, et al. RESEARCH AND ANALYSIS OF COMBINED ENERGY⁃ABSORBING STRUCTURE FOR FRONT END OF METRO VEHICLES. [J]. Journal of mechanical strength , 2024, 46(4): 877-886.
DOI：

SU QIANG, WANG XUDONG, ZHANG JIE, et al. RESEARCH AND ANALYSIS OF COMBINED ENERGY⁃ABSORBING STRUCTURE FOR FRONT END OF METRO VEHICLES. [J]. Journal of mechanical strength , 2024, 46(4): 877-886. DOI： 10.16579/j.issn.1001.9669.2024.04.016.

摘要

介绍了一种新型的地铁车辆前端吸能结构

将成熟吸能元件与组合式吸能结构模块化

利用有限元软件进行动态碰撞仿真计算

模拟车辆前端吸能结构的碰撞形态、分析吸能过程

对车辆碰撞界面力值、车体变形量、能量吸收值进行计算

最后通过碰撞试验验证车辆前端吸能结构的变形吸能稳定性

试验与仿真结果匹配

能够满足车辆碰撞标准要求。

Abstract

A new type of front⁃end energy⁃absorbing structure for metro vehicles was introduced.The mature energy⁃absorbing components and the combined energy⁃absorbing structure were modularized

and the dynamic collision simulation was carried out by using the finite element software

the impact shape of the front⁃end energy⁃absorbing structure was simulated

the process of energy⁃absorbing was analyzed

and the values of vehicle impact interface force

vehicle body deformation and energy⁃absorbing were calculated.Finally

the deformation and energy⁃absorbing stability of the front⁃end energy⁃absorbing structure of vehicles were verified by the test.The test and simulation results match and can meet the requirements of the vehicle collision standard.

关键词

前端吸能组合式吸能动态仿真碰撞试验

Keywords

Front-end energy absorbingCombined energy absorptionDynamical simulationCollision test

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