2015年10月7日星期三

The crane driver device

electric magnetic overhead craneThe drive device is used to drive working organs of power equipment. Common drive electric drive, internal combustion engine drive and human power, etc. Electrical energy is clean and economic energy, electricity is the main drive of the modern crane type, almost all of the running over a limited range of rail crane,... elevator, the elevator is driven by electricity. For the flow of mobile crane at a distance (e.g., truck crane, cranes and crawler crane) more driven by internal combustion engine. Human power is suitable for some small light lifting equipment, but also used as some auxiliary equipment, spare drive and accidental temporary power (or accident status)electromagnetic overhead crane

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