Positioning jig for repairing striking plate water gap

The positioning jig comprises a jig base, a first fixing seat is arranged on one side of the end face of the jig base, three adjusting grooves are formed in the first fixing seat, and elastic telescopic rods movably connected with the adjusting grooves are arranged in the three adjusting grooves respectively. One end, penetrating through the adjusting groove, of one elastic telescopic rod is provided with a manual pull rod connected with the elastic telescopic rod, the other ends, away from the adjusting groove, of the elastic telescopic rods are provided with outer side limiting frames, and the other ends, away from the elastic telescopic rods, of the outer side limiting frames are provided with inner side limiting frames. The device has the beneficial effects that the bad effect of one-hand operation during water gap residue removal is avoided, the working difficulty of personnel is reduced, the personnel do not need to be fixed, new personnel can be on duty through simple training, high-frequency and large