Bridging machine

The bridge erecting machine is a device for placing the precast beam into the prefabricated pier. Bridge crane belongs to the category of crane, because its main function is to lift the beam, and then transported to the location, then put down. But it's very different from the crane in general sense. The requirements are harsh, and there is a beam on the move, or called longitudinal shift. The bridge erecting machine is divided into several kinds, such as erecting highway