The customized bridge grab ship unloader is a bridge-type crane that uses a mobile trolley to drive the grab bucket to grab materials from the cabin and unload the materials to the hopper on the machine. The customized bridge grab ship unloader is mainly composed of metal structure, mechanism and electrical control system. The metal structure mainly includes main beam, gantry, tie rod, etc.; the mechanism mainly includes hoisting mechanism/opening and closing mechanism, trolley operating mechanism, cart Walking mechanism and boom pitching mechanism; electrical control system mainly includes power supply and distribution system, drive and control system, protection system, etc. The customized bridge grab ship unloader can be divided into self-propelled and traction type according to the driving mode of the trolley.

The working feature of the customized bridge grab ship unloader is to grab bulk materials from the cabin through the independent or combined action of the hoisting mechanism/opening and closing mechanism and the trolley operating mechanism, and supply it to the dock conveyor system through the hopper of the ship unloader. material, realize the unloading operation at the front of the wharf, and realize the covering operation of the cabin through the traveling mechanism of the cart.