扭转减振器式全地形车悬架系统设计及舒适性研究

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (23) : 294-304.

论文

扭转减振器式全地形车悬架系统设计及舒适性研究

宋勇1，钱江宁1，李占龙1，高山铁2，孟杰1，郝鹏祥2

作者信息 +

Design and comfort study of torsional vibration damper type all-terrain vehicle suspension system#br#

SONG Yong1, QIAN Jiangning1, LI Zhanlong1, GAO Shantie2, MENG Jie1, HAO Pengxiang2

Author information +

文章历史 +

摘要

为解决履带式全地形车辆舒适性及抗冲击性能差的问题，提出一种含弧弹簧阻尼结构的扭转减振器式悬架系统，设计了单负重轮悬架系统并开展动力学建模与舒适性分析，研究了不同工况下整车舒适性及抗冲击性能。研究发现：（1）单负重轮悬架系统静、动态特性参数值均在合理的范围内；相同路面车速增加时，单负重轮悬架系统车身垂向加速度和悬架动挠度均方根的相对增长率降低；路面等级、车速增加时，单负重轮悬架系统车身垂向加速度传递率（8.5%~6.5%）以较小的数值呈小幅下降趋势。（2）整车通过D、E级路面和极端路面时，所提悬架系统相对传统扭杆弹簧悬架系统表现出优良的舒适性和抗冲击性，验证了悬架设计方案的正确性和有效性。

Abstract

To solve the problem of poor comfort and impact resistance for all-terrain tracked vehicle, a torsion vibration damper suspension system with arc spring damping structure is proposed. A single load wheel torsion vibration damper suspension system is designed, and its dynamic modelling and comfort analysis are carried out. The comfort and impact resistance of the whole vehicle under different working conditions are studied. It is found that: (1) the static and dynamic parameters of the single load wheel suspension system are within reasonable ranges; under the same road conditions and the increase of vehicle speed, the relative growth rates of the single load wheel suspension system body vertical acceleration root mean square and suspension dynamic deflection root mean square decrease; with the increase of road surface grade and vehicle speed, the body vertical acceleration transmissibility (8.5%~6.5%) shows a slight downward trend with smaller values; (2) when the whole vehicle passes through D, E grade road surfaces and extreme road surfaces, the proposed suspension system shows excellent comfort and impact resistance compared with the traditional torsion bar spring suspension system, which verifies the correctness and effectiveness of the suspension design scheme.

导出引用

宋勇1, 钱江宁1, 李占龙1, 高山铁2, 孟杰1, 郝鹏祥2. 扭转减振器式全地形车悬架系统设计及舒适性研究[J]. 振动与冲击, 2024, 43(23): 294-304

SONG Yong1, QIAN Jiangning1, LI Zhanlong1, GAO Shantie2, MENG Jie1, HAO Pengxiang2. Design and comfort study of torsional vibration damper type all-terrain vehicle suspension system#br#[J]. Journal of Vibration and Shock, 2024, 43(23): 294-304

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