Gantry crane is a kind of deformation of bridge crane, also called gantry crane. It is mainly used for loading and unloading of freight yard, bulk cargo and bulk cargo outside. Gantry crane has the characteristics of high utilization ratio, wide scope of operation, wide adaptability and versatility. It has been widely used in port cargo yard.
Its metal structure is like a door frame, and two branches are installed under the main beam. It can walk directly on the track on the ground, and the ends of the main beam can have a cantilever beam.