
Heavy Duty Material Transfer Crane Industrial Plant Installation Bulk Cargo Equipment Strong Construction Design Single Girder Grab Overhead Crane. Grab bridge cranes are composed of main parts such as bridge, grab hoisting trolley, crane operating mechanism. Bridge: This metal structure consists of main girder and end girder. The main girder adopts box structure composed of U-channel and I-beam group. The electric hoist is mainly divided into two categories: wire rope hoist and hand-pulled hoist, and the former is more widely used. Crane running mechanism: drives the whole crane to move back and forth along the runway beam. The running mechanism adopts separate drive mode, which is completed by conical rotor with brake motor. Electrical control system: It is the unit that provides electricity for the function of the crane. The electrical system design should consider some matters such as reliability, durability and safety.