As a type of bridge building crane, the launching gantry is suitable for the highway, railway and bridge construction.
Bridge building crane is composed of the main beam, the upper end beam, the outriggers, the lower end beam, the lifting trolley, the hydraulic system and the electrical device.
The launching gantry can be applied to beams of equal span or different spans. There are two brackets at the rear. It saves the lateral space during operation and enables it to pass through the tunnel together with the beam transportation vehicle.
Hoist & Crane Trolley