自翻车检修时车钩高的预测与控制宋正学１问题的提出自翻车检修时车钩高的调整一直存在两个难题：一是落车前无法预测落车后的车钩高；二是自翻车厂修时，由于底梁变形大和各配件磨耗严重，车钩高很难调整到厂修规程值８８０±１０ｍｍ。车钩高的调整方法要满足３个条件：... Since the rollover maintenance of the hook when the prediction and control of Song Zhengxue 1 raised the question from the rollover maintenance when the adjustment of the hook has two problems: First, before the car can not predict falling off the hook after the car; , Due to the large deformation of the end beam and wear serious parts, coupler height is difficult to adjust to the factory repair order value of 880 ± 10mm. The adjustment of the coupler height to meet the three conditions: ...