单轴牵引力变化时的机车轴重转移分析  

Analysis of Locomotive Axle Load Transfer with Consideration of Adhesive Force Varying for Each Axle

作　　者：魏家麒 张开林[1] 姚远[1] 

机构地区：[1]西南交通大学牵引动力国家重点实验室,四川成都610031

出　　处：《机车电传动》2014年第3期40-43,共4页Electric Drive for Locomotives

基　　金：国家自然科学基金(51205324);四川省科技计划项目(2013GZ0032)资助项目

摘　　要：针对轴控式机车发生轴重转移时轮轨粘着力分布发生改变的情况,改进轴重转移算法。以某六轴和某四轴机车为例分别进行计算,通过与不考虑粘着牵引力分布影响的算法计算结果做对比,证明一般情况下2种算法算得的最大轮对减载率会有一定的差异,考虑轮轨粘着力的分布不均更利于反应轴控式机车的轴重转移实际情况。利用这种改进算法,对2种机车的最佳牵引点高度分别进行了优化选择。Considering the distribution of adhesive force varying with the axle load, the arithmetic of axle load transfer should be improved. Taking a six-axis and a four-axis locomotive as cases respectively, arithmetic with considering and no considering adhesive force distribution was compared, the results of which showed that max wheel-set load-reducing ratio was different, and the former arithmetic reflected the real condition of the axle load transfer better. With the improved method, the optimum traction height of the both locomotives was optimized.

关 键 词：机车轴重 轴重转移 轮对减载率 轴控 牵引点高度 粘着力 

分 类 号：U260.115[机械工程—车辆工程]