Overhead crane is used in many industries to move heavy and oversized objects. Such crane has a simple system. It mainly consists of a railed support structure, the wheel trolley, the hoist, the bridge girder, end trucks, bumpers and pendant. Whole crane traveling mechanism moves on the rail back and forth, the hoist travels along the crane girder left and right. In this way, overhead crane can increase working efficiency.
Bridge crane mainly includes single girder crane and double girder crane. The former type is portable and light, it is suitable for frequent and light lifting work; the latter type has power lifting capacity. It is perfect for heavy lifting work.
To ensure the crane good condition, the user should take regular check-work before and after using the crane. Careful maintenance work can avoid accident, reduce damage, protect the safety of crane and operator.
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