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1 前言 牵引电动机刷圈连线破损故障处所比较隐蔽,检查不易发现,是DF_4型机车的惯性故障,也是各机务段最感棘手的故障之一。苏家屯机务段配属内燃机车119台,其中DF_4型机车93台,DF_5型机车26台。2000年该段牵引电动机刷圈连线破损故障发生25件,干扰了正常的运输秩序,造成了巨大的经济损失,也引起了有关部门的高度重视。
1 Introduction Traction motor brush loop connection damage fault location is relatively hidden, easy to find the test is the DF4 locomotive inertia fault, but also the locomotive depot one of the most sensitive thorn of trouble. Sujiatun locomotive depot belongs to 119 diesel locomotives, including 93 DF_4 locomotives and 26 DF_5 locomotives. In 2000, there were 25 pieces of damage caused by the connection of brush windings in the traction motor, which interfered with the normal transportation order and caused tremendous economic losses, which also aroused the attention of relevant departments.