Gantry crane is a deformation of bridge crane, also known as gantry crane. It is mainly used for loading and unloading of outdoor goods yard, stockyard and bulk cargo. Gantry crane is widely used in port freight yard because of its high site utilization, wide range of operation, wide adaptability and strong versatility.
Its metal structure is like a door-shaped frame. Two legs are installed under the main beam to directly walk on the track on the ground. The two ends of the main beam can have overhanging cantilever beams.