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我矿1999年购进2台MDSQ-3型电动锚杆钻机，使用中推进系统故障较多。为此，请来厂家也没有从根本上解决问题。于是根据钻机故障的原因，并针对我矿的具体条件对该机进行了改制。1钻机的故障分析钻机的动力是由一台3．3kw的水冷电机粮供（通过2级变速带动切削装置，并直接带动2
I mine in 1999 purchased 2 MDSQ-3 electric bolt rig, the use of the propulsion system more failures. To this end, please come to the factory nor to fundamentally solve the problem. So according to the reason of rig failure, and specific conditions for mine mine on the machine was restructured. A rig failure analysis Drill power is supplied by a 3.3kw water-cooled motor (driven by a 2-speed variable-speed cutting device and directly drive 2