笔者结合工作实践，介绍了直流牵引电机常见故障的诊断和排除方法，以实例剖析了诊断故障的步骤。

The trouble diagnosis work is systematic and complex. Based on author's experience, the common trouble shooting method of direct - current motors is discussed and an example is given.

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对煤矿液压牵引采煤机工作中常见故障的原因及处理方法进行了总结 ，为今后牵引部故障的诊断和排除提供了可靠的依据。

This article summarizes the reasons of common breakdowns in the operation of hydraulic haulage shearer and provides the reliable basis for the trouble diagnosis and elimination of the haulage device.

youdao

对煤矿液压牵引采煤机工作中常见故障的原因及处理方法进行了总结 ，为今后牵引部故障的诊断和排除提供了可靠的依据。

This article summarizes the reasons of common breakdowns in the operation of hydraulic haulage shearer and provides the reliable basis for the trouble diagnosis and elimination of the haulage device.

youdao