Railway highway beam launcher bridge girder erection machine is bridge crane that places precast concrete beam into precast pier. And it consist of main girder,front leg, middle leg, rear leg, rear auxiliary leg, lifting trolley, hydraulic system and electrical device.
Learn More:
https://www.shenghuacranes.com/bridge-construction-equipment/beam-launcher-machinery.html https://www.shenghuacranes.com/bridge-construction-equipment/beam-launcher-machinery.html