Installation method for cantilever pouring bridge fabrication machine

The invention provides a cantilever pouring bridge fabrication machine installation method. The cantilever pouring bridge fabrication machine installation method comprises the following construction steps that a 0 # block middle formwork is dismantled; setting out the track position of the bridge fabrication machine on the 0 # box girder, mounting L-shaped three-truss assembly platform supports with inclined struts at three webs of the box girder, and connecting profile steel at the tops of the supports into a whole; sleeper beam profile steel is installed; a front support and a roller carrier are installed, and main beam assembling cushion blocks are installed in sequence; the main beams are assembled into a whole on the ground site; outer mold longitudinal beam hanging belts and profile steel longitudinal beams are sequentially installed, a 0 # block bottom mold is dismantled, and middle cross beam hanging legs are installed; mounting a bottom die; installing a standard program to carry out a bearing test;