Integrally lift up device of fall -in formula steel case arched bridge arch rib

The utility model discloses an integrally lift up device of fall -in formula steel case arched bridge arch rib, hoist mechanism including the setting of bridge central plane main relatively symmetry,hoist mechanism includes stand -column steel pipe, hoisting device, level restraint cable, capital steel case roof beam, coxopodite steel pipe unit and the whole cast -in -place shaping of high pile platform among the stand -column steel pipe, hoisting device is including the base steel case of the lower part that links together and the fall -in formula steel case on upper portion, level restraintcable is the horizontal prestress wire group that sets up, capital steel case roof beam is for setting up the cuboid steel case on stand -column steel pipe. Through the utility model discloses can help the arch rib to accomplish the spelling in low level department, reduce and assemble the degree of difficulty, reduce the use of crane barge, the construction that reduces high altitude construction is dangerous. 本实用新型公开了种内