论文部分内容阅读
1问题的提出我段配属的东风4型机车有一段时期在运用中经常发生中间继电器线圈烧损故障，影响机车交路。这些中间继电器都是在定修时装上车，在交车验收时均正常，而在出段牵引几趟列车后，就发生了烧损故障。2故障现象经对损坏的继电器进行分解检查，发现这些中间继电器线包最
1 problem I segment affixed Dongfeng 4 locomotives have a period of time in the middle of the relay coil burning failures often affect locomotives. These intermediate relays are repaired in fashion fixed on the car, the car when the acceptance are normal, and after a few trips in the outgoing train, burned failure occurred. 2 Symptoms After the breakdown of the relay breakdown inspection, found that these intermediate relay cable package