What’s the main structure of MG Double Girder Gantry Crane?

The main components of the steel structure of the MG type double main girder gantry crane are composed of main beam, end beam, support beam, outrigger, lower beam, balance beam (no tonnage hour), small frame and so on. These parts can be made of section steel (truss type) or steel plate (box type). The running mechanism of the cart is composed of wheels, reducers, motors and brakes. Both sides are driven separately. The running mechanism of the trolley is composed of wheels, reducers, motors and brakes. Generally, a centralized driving hoisting mechanism is adopted, and a special reel mechanism or a hoist can be used. Electric hoist can also be used to lift. The total power supply form of the crane can be overhead soft or hard sliding wire type, or cable reel type.