轨道交通车组检修用新型地坑式架车机

New-type Under-floor Lifting Jack for Maintenance of Multiple Units

随着我国轨道交通的蓬勃发展和固定编组车辆的大量运行,研制整列车辆检修专用的地坑式架车机已是当务之急。以铁路动车组为例,介绍轨道交通动车组的结构特点、检修模式和检修方法。自主发明的DDT-I型地坑式架车机,具有创新技术,解决了国内外地坑式架车机通用性的难题,其设计原理具有普遍意义,完全适用于城市轨道交通动车组的检修要求。

Taking the railway multiple units as examples,the structure characteristics,maintenance mode and methods of rail transit multiple units are introduced.DDT-I under-floor lifting jack with selfinvented technology solves the general problems of under-floor lifting jack both at home and abroad.Its design principle with universal significance completely fulfills the maintenance requirements of urban rail transit multiple units.