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针对防爆绞车转速失控的原因，介绍一种转速失控保护装置，对使用凸轮控制的防爆绞车有参考意义。
Aiming at the reasons why the speed of the explosion-proof winch is out of control, a speed-out-of-control protection device is introduced, which is of significance to the use of an explosion-proof winch controlled by a cam.