客车在修理作业中,车内部件(座垫、窗框、窗户止动锁等)拆卸下来以后需将它们搬运到车外,修理完了以后需将这些零件再搬运到车内,但是,由于车内通道狭窄,对于通道在一侧的卧车等来说,部件的搬出和搬进特别费时间。过去的搬运方法是靠人工来回搬送,这样,不仅效率低而且搬运者容易疲劳,特别是产 Passenger car in the repair operations, the car parts (cushions, window frames, window locks, etc.) to be removed after the removal of them to the car, the repair after the need to carry these parts to the car and then, but because the car The inner passage is narrow, and it is particularly time-consuming for the parts to be unloaded and carried in to the lying-on-one car or the like. In the past, the transportation method was manually moved back and forth, so that not only the efficiency was low but also the carrier was prone to fatigue. In particular,