论文重点分析了车辆运行速度、轮轨摩擦系数、车辆载重、轨道几何不平顺、偏载、轨距大小、车轮踏面形状等因素对脱轨的影响。

The influence of train running speed, wheel-rail friction coefficient, vehicle load, track geometric irregularity, partly load, gauge and the shape of wheel tread on derailment was emphasized.

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在获得齿轮内啮合传动的齿侧间隙计算公式以后，结合齿对刚度的计算公式，推导出齿轮内啮合传动的加载重合度及载荷修正系数。

After getting the formula about the normal backlash and the stiffness of the tooth pairs of the gear, the contact ratio and the load correction factor could be obtained.

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重量型货架：本产品载重较强，安装方便，单元货架最大承重4500公斤，安全系数高，节省空间，适合较重物品仓储使用，高度可达5 - 10米。

Weight Racks: load this product is strong, easy installation, maximum shelf load 4500 kg units, high safety factor, saving space, suitable for heavy goods storage use, height up to 5-10 meters.

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