减速顶作为驼峰编组场溜放车辆的自动调速工具,是一件新生事物。艮山门站的全减速顶驼峰编组场自一九八二年三月投产以来,运营情况良好,显示了安全好、连挂率高、劳动条件改善,不需外部能源等优点。但是,同时也给机务部门提出了一个新课题,即减速顶对机车轮缘磨耗问题。为此,我们对该站调 Retarder as a hump marshalling yard automatic vehicle speed control tool is a new thing. The fully-hump-humpback groud at the Genshan Gate Station has been operating well since its commissioning in March 1982 and shows the advantages of good safety, high attachment rates, improved working conditions and no need for external energy. However, at the same time, a new task was proposed to the maintenance department, that is, the deceleration top has the problem of locomotive rim wear. To this end, we transfer to the station