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通过对轮轨接触几何关系和车辆动力学仿真计算结果进行对比,分析了车轮踏面外形对出口塞拉利昂窄轨矿石漏斗车动力学性能的影响,经综合考虑,建议出口塞拉利昂窄轨矿石漏斗车选用LM型踏面外形。
Through the comparison of wheel-rail contact geometry and vehicle dynamics simulation results, the influence of wheel profile on the dynamic performance of export Sierra Leone narrow-gauge ore hopper is analyzed. After considering the comprehensive consideration, the proposed export of narrow-gauge ore hopper truck in Sierra Leone selects LM Tread profile.