Four-point variable frequency synchronous lifting system is used for 2000T box girder drop beam on Kunming Puxuan Expressway

The project selected our company's four-point frequency conversion synchronous lifting system, 12 sets of 400T large-tonnage hydraulic jacks with a stroke of 300mm, the maximum tonnage of the falling beam reached 2100T, and the maximum height of the falling beam reached 2.4 meters, creating a bridge lifting and falling in Yunnan Province. The highest beam height and tonnage project!