校车座椅后面碰撞动态试验方法研究

doi:10.19562/j.chinasae.qcgc.2022.03.012

Abstract

Abstract:

By means of literature research and simulation analysis， the condition input of seat rear impact dynamic test is determined， and the corresponding requirements of seat strength and dummy injury are proposed in this paper. The test methods and requirements proposed can be applied to the revision of the national standard for school bus seats and the static anti-backward-pitching test is upgraded to a dynamic one， so solving the problem that the static test cannot reflect the seat performance in actual traffic accidents and meeting the requirements of technological development.

Key words: school bus seat, anti-backward-pitching, rear impact dynamic test

Lei Lou,Hongbin Liu,Qingxiang Guo. Study on Dynamic Test Method of Rear Impact of School Bus Seat[J].Automotive Engineering, 2022, 44(3): 399-402.

Figures/Tables 6

References 11

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模型	吸收总能量/J	最大应变	最大应力/MPa
Base	681	0.19	379
Base×1.2	1 037	0.22	404
Base×1.5	1 474
静态	948	0.21	384

波形上限			波形下限
点	时间/ms	加速度/g	点	时间/ms	加速度/g
A	0	1	E	4	0
B	28	12	F	38.5	9
C	60	12	G	49.5	9
D	92	0	H	84	0

Study on Dynamic Test Method of Rear Impact of School Bus Seat

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References 11

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