Special tool for horizontal repairing lance head of oxygen lance

The utility model discloses a special tool for horizontal repair of a lance head of an oxygen lance, which belongs to the field of tools and comprises a support and a dismounting assembly. The bracket comprises a base and a door-shaped frame; the bottom of the door-shaped frame is fixedly connected with the base; the dismounting assembly comprises a frame plate, a puller, a push plate, a push rod, a pull rod and a gun head bracket; the two ends of the frame plate are connected with the door-shaped frame, and the puller is fixedly installed on the frame plate. A hydraulic rod of the puller is connected with the midpoint of the push plate, and the two ends of the push plate are each connected with a push rod provided with a strip-shaped hole. The rear end of the pull rod is hinged with the frame plate, the front end of the pull rod is an inward hook head, and the hook head can be embedded into the strip-shaped hole of the push rod; the gun head bracket is located below the push plate and comprises a side rod an