Windlass Lifting Heavy Duty Gantry Crane is a bridge set in two forms door frame in the shape door type bridge crane. This kind of crane make traveling in orbit on the ground, mainly used in outdoor storage yard, dock, station, port and railway station, handling and installation operations.
The components Hoisting mechanism, car running and bridge structure are same with bridge crane. Crane operation mechanism, because of the large span mostly adopts respectively drive way, in order to prevent the crane skewed operation and increase the resistance, or even an accident. Gantry crane's hoisting trolley frame running in bridge, some lifting trolley is a boom type crane. Leg on either side of the bridge are generally rigid leg; Spans more than 30 meters, is often a side for rigid leg, but on the other side through the ball joint and the bridge connecting the flexible leg, make the door frame statically determinate system, so that you can......url:http://www.chinacranemanufacturer.com