内燃机车走行部的轮对、轴箱、牵引电动机等部位发生故障,乘务员往往无法自行处理,必须请求救援,由救援队进行现场抢修。但由于场地、设备、时间等因素的限制,对出现的机车走行部故障常常不能按照正常的机车检修工艺进行维修,而必须采取一些特殊的措施,让机车迅速恢复基本的走行功能,保证机车自行返段或附挂回段。本文对内燃机车走行部常见故障及其救援方法进行了分析。 Diesel locomotive wheels, axle boxes, traction motors and other parts of the failure, flight attendants are often unable to handle their own, we must request rescue by the rescue team on-site repair. However, due to the limitation of site, equipment, time and other factors, the failure of locomotive running department often can not be repaired in accordance with the normal locomotive maintenance process, and some special measures must be taken to enable the locomotive to quickly restore the basic traveling functions and ensure the locomotives themselves Back or attached to the back section. This paper analyzes the common faults of diesel locomotive running department and its rescue methods.