Wall-attached tower crane mounting structure

The utility model provides a wall-attached tower crane mounting structure. The wall-attached tower crane mounting structure comprises an outer supporting arm, an inner supporting arm, a supporting frame and a movable assembly, an inner cavity is formed in the outer supporting arm, and sliding grooves are symmetrically formed in the inner wall of the inner cavity. The lower end of the inner supporting arm is connected with the supporting frame, the upper end of the inner supporting arm extends into the inner cavity, and a plurality of stepped holes are formed in the outer wall of the front side of the inner supporting arm. A plurality of connecting shafts are symmetrically connected to the two sides of the inner supporting arm, the ends, away from the inner supporting arm, of the connecting shafts extend into the sliding grooves, and the ends, located in the sliding grooves, of the connecting shafts are connected with rolling wheels; the movable assemblies are symmetrically arranged on the left side and the ri