An EOT Crane is generally composed of bridge frame, bridge moving mechanism, trolley equipped with lifting mechanism, operating room, electrical system, etc. The bridge frame is composed of main beam, end beam, walking platform and other parts, which is the basic of overhead crane. The crane, whose full form is electric overhead travelling crane, is a kind of widely used lifting equipment for material lifting in the workshop, warehouse, and material field. The operation range of a crane is constructed as rectangular, due the crane span structure on a bridge crane can realize longitudinal operation along both sides of the rail laid on the elevated frame. The EOT Crane is very efficient.