JQ900 Bridge Erection Machine has a three-legged gantry structure with double main beam. It spans one-hole bracket beam during construction. The bridge transport vehicle can leave immediately after carrying the beam to its tail. The drive system adopts closed hydraulic transmission and hydraulic suspension support to make the tire groups evenly loaded. Middle and rear tires is very flexible to move, which make the machine easier to longitudinal shift and inter-bridge transfer.
JQ900 Bridge Erection Machine