抗蛇行减振器对高速列车稳定性的影响

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振动与冲击 ›› 2020, Vol. 39 ›› Issue (23) : 78-83.

论文

抗蛇行减振器对高速列车稳定性的影响

白瑾瑜，曾京，石怀龙，吴一

作者信息 +

Effects of anti-hunting shock absorber on stability of high-speed train

BAI Jinyu, ZENG Jing, SHI Huailong, WU Yi

Author information +

文章历史 +

摘要

首先，建立了考虑卸荷特性、节点刚度和内部油液刚度的抗蛇行减振器分段线性Maxwell模型，分析了节点刚度对抗蛇行减振器动态特性的影响，并采用台架试验进行了模型验证。然后，建立了高速列车拖车非线性动力学模型，并进行仿真分析，发现随着车轮踏面等效锥度的提高，保障高速列车运动稳定性所需要的抗蛇行减振器节点刚度最优值也会逐渐增大。最后，对比分析了多种抗蛇行减振器节点刚度下高速列车的运动稳定性，探究了考虑等效锥度变化的抗蛇行减振器节点刚度选择策略。

Abstract

Here, firstly, a piecewise linear Maxwell model for anti-hunting shock absorber considering unloading characteristics, joint stiffness and internal oil stiffness was established.Effects of joint stiffness on dynamic characteristics of anti-hunting shock absorber were analyzed and the model verification was done with bench tests.Then, the non-linear dynamic model of high-speed train trailer was established and simulated.It was shown that with increase in equivalent conicity of wheel tread, the optimal joint stiffness value of anti-hunting shock absorber required to ensure the motion stability of high-speed train also gradually increases.Finally, motion stabilities of high-speed trains with multiple kinds of joint stiffness of anti-hunting shock absorber were contrastively analyzed.The choosing strategy for joint stiffness of anti-hunting shock absorber considering variation of equivalent conicity was explored.

导出引用

白瑾瑜，曾京，石怀龙，吴一. 抗蛇行减振器对高速列车稳定性的影响[J]. 振动与冲击, 2020, 39(23): 78-83

BAI Jinyu, ZENG Jing, SHI Huailong, WU Yi. Effects of anti-hunting shock absorber on stability of high-speed train[J]. Journal of Vibration and Shock, 2020, 39(23): 78-83

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