A special hoisting
system for a 900-
ton transporting and erecting all-in-one
machine comprises a plurality of gantry cranes, the gantry cranes are arranged on two sides of a track bridge under construction in a striding mode, the hoisting
system further comprises a hoisting adjusting unit and a positioning supporting unit, the top of the hoisting adjusting unit is connected with a crane of the gantry cranes, and the bottom of the hoisting unit is connected with a bridge erecting
machine in a hoisting and hanging mode. And the positioning and supporting unit is fixedly arranged on a top surfaceof a beam box built at a previous stage and provides positioning and supporting for rear supporting legs of the bridge erecting
machine. According to the hoisting
system, a problem that the all-in-one machine is constrained and limited by environmental conditions in a hoisting process can be solved, the 900-
ton transporting and erecting all-in-one machine can normally feed beams and accurately hoist and locate the beams, bridge climbing and beam erecting and transporting construction is facilitated, the construction problems of beam feeding and beam erecting and transporting under complex working conditions are effectively solved, the structure is simple, operation is easy, a beam loading period is remarkably shortened, and wide
economic benefits are achieved.