机械弹性车轮径向刚度特性及影响因素研究

臧利国,赵又群,姜成,李波,汪伟

振动与冲击 ›› 2015, Vol. 34 ›› Issue (8) : 181-187.

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振动与冲击 ›› 2015, Vol. 34 ›› Issue (8) : 181-187.
论文

机械弹性车轮径向刚度特性及影响因素研究

  • 臧利国,赵又群,姜成,李波,汪伟
作者信息 +

Analysis on Mechanical Elastic Wheel Radial Stiffness Characteristics and Its Influencing Factors

  • Zang Li-guo,Zhao You-qun,Jiang Cheng ,Li Bo,Wang Wei
Author information +
文章历史 +

摘要

为解决充气轮胎爆胎的问题,提高车辆防刺破及越野路面的行驶性能,对非充气结构机械弹性车轮径向刚度特性及影响因素进行研究。建立了机械弹性车轮非线性有限元模型,并通过负荷特性试验验证了模型的有效性;分析了使用条件和车轮结构等因素对机械弹性车轮径向刚度的影响,揭示了地面约束、材料、垂直载荷及力矩对车轮固有频率和振型的影响规律,为机械弹性车轮结构及整车动力学特性优化提供了参考。

Abstract

A mechanical elastic wheel used for military vehicle was presented to prevent pneumatic tyre from bursting at high speed and to obtain more favorable performance of puncture-proof and off-road reliability. Elastic wheel structure is non-inflatable integrated configuration. To establish the finite element model of mechanical elastic wheel, various nonlinear factors, such as the geometrical nonlinearity, material nonlinearity and contact nonlinearity, were all considered. The results of simulation by the finite element model coincided to elastic mechanics’. It showed that the new analytical model closely matched the real wheel work condition. Hence this model can be used for the design and the optimisation of mechanical elastic wheel. Based on the established finite element model, the modal influencing factors of ground constraint, material characteristics, load and driving torque were all discussed. The results can provide guidance for experiment research, structural optimization and improvements of vehicle dynamics.

关键词

机械弹性车轮 / 安全轮胎;刚度特性;模态分析

Key words

mechanical elastic wheel / Run-Flat Tire / stiffness characteristic / modal analysis  /   /  

引用本文

导出引用
臧利国,赵又群,姜成,李波,汪伟. 机械弹性车轮径向刚度特性及影响因素研究[J]. 振动与冲击, 2015, 34(8): 181-187
Zang Li-guo,Zhao You-qun,Jiang Cheng,Li Bo,Wang Wei. Analysis on Mechanical Elastic Wheel Radial Stiffness Characteristics and Its Influencing Factors[J]. Journal of Vibration and Shock, 2015, 34(8): 181-187

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