Prefabricated wallboard wire box fixing tool

The utility model discloses a prefabricated wallboard wire box fixing tool, which belongs to the technical field of prefabricated buildings and comprises a rotatable support and a horizontal beam supported on the rotatable support, and a vertical screw penetrating through the horizontal beam is fixedly mounted on the rotatable support. The horizontal beam is provided with a horizontal sliding groove matched with the vertical screw rod, and the penetrating-out end of the vertical screw rod is provided with a gasket and a locking nut. One end of the horizontal beam is fixedly connected with a vertical sleeve, a supporting pipe capable of sliding up and down is arranged in the vertical sleeve, and a first locking piece is arranged between the vertical sleeve and the supporting pipe; a wire box fixing plate is arranged at the bottom of the supporting pipe, and a positioning column used for fixing a wire box is arranged at the bottom of the wire box fixing plate. According to the fixing tool for the wire box of th