Road and bridge crane
Assembling an integrated bridge erecting machin
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Road and bridge gantry cranes are mainly used for bridge construction, with a slow working speed. They consist of a gantry, a winch trolley, a crane operating mechanism, a driver's cab, and an electrical control system.
The gantry is a truss structure, which has the advantages of light structure and strong wind resistance. Including the main beam, upper end beam, support legs, lower end beam, walking trolley, and walking platform railing. The main beam adopts a triangular truss structure, with tracks laid on top for the trolley to move horizontally along the direction of the main beam. The supporting legs are in two forms: box shaped or steel pipe.
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