Fixing tool for dismounting and mounting aircraft mounting rack

The utility model provides an aircraft mounting rack dismounting and fixing tool, which belongs to the technical field of maintenance and repair and comprises a base, a support, a screw and a positioning seat. The base is provided with a transverse track and a vertical track, the aircraft mounting frame is placed on the base, and the multiple supports are arranged; the lower end of the support is provided with a sliding block in sliding fit with the transverse track and the vertical track, the upper end of the support is provided with a horizontal extending rod, a screw hole is formed in the horizontal extending rod, the screw is in threaded connection with the screw hole, and the lower end of the screw extends towards the base. A handle is fixedly arranged at the upper end of the screw rod; a mounting hole is formed in the upper end of the positioning seat; an internal thread in threaded connection with the screw rod is arranged on the inner wall of the mounting hole; and the positioning seat is used for bei