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本文详细分析讨论了北京型机车的轮对横向定位刚度及其对横向稳定性的影响。指出使用轴端缓冲支承会降低轮对横向定位刚度,从而使得机车蛇行运动临界速度下降。建议北京型机车取消轴端缓冲支承以改善其横向稳定性。
This paper analyzes and discusses in detail the lateral locating stiffness and its effect on the lateral stability of Beijing locomotive. It is pointed out that the use of axial buffer support will reduce the lateral positioning stiffness of the wheelset, so that the critical speed of the locomotive snake movement will decrease. It is suggested that the Beijing locomotive cancel the axial end cushion support to improve its lateral stability.