Auxiliary positioning tool for drilling in rail transit guest room

The utility model belongs to the technical field of positioning tools, and particularly relates to an auxiliary positioning tool for drilling in a rail transit guest room. A rotary connecting shaft is movably clamped to the top end of the supporting adjusting seat, positioning drilling plates are connected to the left side and the right side of the rotary connecting shaft through buffer springs, a pair of supporting top balls is arranged on the side face of each positioning drilling plate, and a plurality of drilling grooves are formed in the middle of each positioning drilling plate. A screwing screw rod is screwed in the middle of the supporting adjusting seat, and the top end of the screwing screw rod is attached to the rotary connecting shaft through a supporting base plate for jacking; and the other end of the screwing screw rod is connected with an adjusting hand wheel. The drilling positioning can be simpler and more convenient; convenience is provided for drilling positioning, the working efficiency i