Adjustable tower crane attachment frame

The utility model relates to the technical field of tower cranes, and discloses an adjustable tower crane attachment frame which comprises four corner frames located at the outer corners of a tower crane standard knot, first connecting holes formed in the corners of the corner frames, and second connecting holes formed in the corners of the corner frames, the four inner protection plates are located at the inner corners of the tower crane standard knot, and the corner frames and the inner protection plates are detachably connected through first fasteners in a one-to-one correspondence mode and used for locking the tower crane standard knot; the adjustable attachment rods are arranged in the length direction and the width direction of the tower crane standard knot, and the four adjustable attachment rods and the four corner frames are sequentially, alternately and detachably connected to define a rectangular frame structure. The attachment frame is convenient to disassemble and assemble, high in installation e