Grab crane is a lifting machine equipped with a grab, which is widely used in ports, docks, station yards, mines, etc. to load various bulk cargo, logs, minerals, coal, sand and gravel, earth and stone, etc. Grab crane is an automatic picking machine. Its grasping and unloading actions are controlled by the ship unloader driver, and no auxiliary personnel are needed, thus avoiding the heavy labor of workers, saving auxiliary work time, and greatly improving the Loading and unloading efficiency. The layout design of garbage crane is composed of grab, drum device, traveling device, power distribution device, weighing device and control equipment. Its type is bridge crane, and the crane grab is multi disc hydraulic grab. It is designed to be used for heavy-duty operation in dusty air. It has the functions of automatic peeling, metering, pre alarm and overload protection, and can display, count and record various feeding parameters in the crane control room.

QD model double-girder bridge crane is mainly composed of bridge frame, crane traveling mechanism, trolley and electrical equipment. It is suitable for transfer, assembly, maintenance and loading and unloading of machining workshop, auxiliary workshop of metallurgical plant, warehouse, stockyard, power station, etc. operations; also suitable for production workshops in the textile industry, chemical and food industries. Its working level can be divided into light, medium and heavy according to the use frequency. The working environment temperature is -25°C-40°C, and it is forbidden to use it in the environment of flammable, explosive and corrosive media.