QD double girder overhead crane is composed with Girder frame, Crane travel device, and the trolley with lifting and moving device. There are Pave the rail for
Additionally, overhead bridge cranes typically come in two configurations: single girder, which is usually less expensive and simpler, and double girder,
A trolley moves horizontally along the bridge, positioning a hoist and hook, which is used to raise or lower the load. Single Girder Crane Classifications. At
A hoist, the lifting component of a crane, travels along the bridge. If the bridge is rigidly supported on two or more legs running on two fixed rails at
