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双层集装箱重车重心高度对运行安全性的影响

, PP. 41-47

Keywords: 双层集装箱车辆,运行安全性,重车重心高度,脱轨系数,轮重减载率

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Abstract:

根据多刚体动力学理论,运用SIMPACK仿真软件分别建立了一定装载工况和运行工况下双层集装箱车辆的单车动力学仿真模型和四车动力学仿真模型。基于铁路车辆运行安全评价指标及其标准,将模型仿真结果与双层集装箱列车实际运行试验的结果进行了对比分析,研究了重车重心高度与运行安全性的关系,给出了合理的双层集装箱重车重心限制高度。仿真结果表明随着双层集装箱重车重心高度的增大,轮轴横向力、轮重减载率与脱轨系数增大,最先达到安全限度的是脱轨系数;在最不利装载工况下,安全的重车重心高度限值为2480mm。

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