Lifting beam gantry cranes can be used to lift two-piece prefabricated beams at the same time, and a single gantry crane equipped with double hoisting equipment to lift prefabricated beams separately. The lifting capacity of two lifting machines at the same time is generally 450 tons, and the lifting capacity of a single lifting machine. The weight is usually up to 900 tons.

lifting equipment, which can achieve all-round mechanized action. It is mainly used to lift the prefabricated beam from the beam-making platform to the beam storage platform.

After the prefabricated beam is completed, it is lifted from the beam-holding platform to the beam-carrying vehicle. As a lifting device, complete the assembly and disassembly of the bridge machine. It is also used to erect bridges with low