[1]李铎,肖守讷,袁成标.有轨电车侧面碰撞乘员保护设计研究[J].机车电传动,2018,(02):90-93.[doi:10.13890/j.issn.1000-128x.2018.02.021]
 LI Duo,XIAO Shoune,YUAN Chengbiao.Study on Occupant-protecting Design of Tram Car under Side Impact[J].Electric Drive for Locomotives,2018,(02):90-93.[doi:10.13890/j.issn.1000-128x.2018.02.021]
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有轨电车侧面碰撞乘员保护设计研究()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2018年02期
页码:
90-93
栏目:
城市轨道车辆
出版日期:
2018-03-31

文章信息/Info

Title:
Study on Occupant-protecting Design of Tram Car under Side Impact
文章编号:
1000-128X(2018)02-0090-04
作者:
李铎肖守讷袁成标
(西南交通大学牵引动力国家重点实验室,四川 成都 610031)
Author(s):
LI Duo XIAO Shoune YUAN Chengbiao
( State Key Laboratory of Traction Power, Southwest Jiaotong University , Chengdu,Sichuan 610031,China )
关键词:
被动安全有轨电车侧面碰撞乘员保护LS-DYNA 仿真
Keywords:
passive safety tram car side impact occupant protection LS-DYNA simulation
分类号:
U482.1
DOI:
10.13890/j.issn.1000-128x.2018.02.021
文献标志码:
A
摘要:
为研究侧面碰撞中有轨电车耐碰撞性及乘员保护能力,建立了带假人的某5 节编组100% 低地板有轨电车及某6120 型大客车有限元模型,设计了大客车以30 km/h 速度侧面90°撞击静止在直线轨道上有轨电车悬浮模块的碰撞场景,使用LS-DYNA 显式动力学软件模拟整个碰撞过程。研究结果表明,原结构有轨电车悬浮模块侧墙在碰撞力的作用下产生塑性变形侵入生存空间,被撞击侧座椅缺乏对乘员的保护限制作用,在撞击力的作用下乘员易飞出,同时惯性作用易使颈部产生挥鞭损伤。通过设计侧墙嵌入防撞杆,设置座椅侧墙分离,增加头枕和安全带等措施能提高侧墙耐碰撞性并有效改善乘员损伤指标,保护侧面碰撞中乘员安全。
Abstract:
In order to study the crashworthiness and occupant-protecting ability of tram car under side impact accident, a 5-module 100% low-floor tram car with dummy and a 6120 bus FEM models were established. By designing the impact scenario that a low-floor tram car parking on the rail impacted perpendicularly on the side faces of floating module by a bus with the velocity of 30 km/h and simulating the whole process of crash in LS-DYNA. It was shown that deformation was generated and occupant on the impacted side was pushed off the chair in designed scenario due to the impact force, which also caused the whiplash injury of occupant without neck protection. Designing guard bar in sidewall, separate seat from sidewall and install headrest and seatbelt will improve the crashworthiness of tram car and decrease injury criterion and provide occupants a safer ride environment.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:李 铎(1989-),男,硕士,从事机车车辆设计与可靠性研究。
更新日期/Last Update: 2018-03-10