Frame bridge crane of girder modularization formula

The utility model discloses a frame bridge crane of girder modularization formula, including the girder, the quantity of girder is a plurality of, the girder divide into puts the beams in place and the underbeam, equal fixed mounting has the fixed block on upper beam and the underbeam, the quantity of fixed block is a plurality of, and is arbitrary the homocline has the dead lever, arbitrary two to symmetrical on the fixed block constitute the equilateral triangle structure between dead lever and the girder, the equal movable mounting in both ends of upper beam and underbeam has the connectingpiece, the equal swing joint girder in both ends of connecting piece, the connecting piece includes the master unit, the master unit is " H " shape structure, the both ends of master unit and the equal top -down in the both ends of girder set up threaded hole, the connecting piece passes through the locking screw swing joint girder, locking screw's one end runs through the screw hole and threadedconnection has check nut,