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机械弹性车轮结构参数对牵引性能的影响

DOI: 10.3969/j.issn.1006-7043.201312081

Keywords: 车辆, 机械弹性车轮, 地面力学, 牵引性能, 结构参数

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Abstract:

为解决充气轮胎在越野路面行驶的防破损问题,提高车辆通过性能,对机械弹性车轮的牵引性能进行了研究。通过对机械弹性车轮特殊承载方式进行分析,建立了考虑车轮滑转和地面切应力的驱动轮牵引性能预测模型,推导了车轮沉陷、土壤推力、挂钩牵引力等计算公式;对机械弹性车轮和普通充气轮胎的牵引性能进行了对比,结果表明与普通轮胎相比机械弹性车轮具有较好的通过性能;研究了机械弹性车轮刚度、半径和宽度对牵引性能的影响规律,为车轮结构设计及整车动力学优化提供了参考。

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