Drilling device with positioning function for road and bridge municipal construction

The utility model discloses a road and bridge municipal construction drilling device with a positioning function, and particularly relates to the technical field of machinery, the road and bridge municipal construction drilling device comprises two supporting frames, a connecting rod is fixedly installed between the tops of the two supporting frames, and an electric telescopic rod is fixedly installed on the lower surface of the connecting rod; a fixing seat is fixedly mounted at the bottom end of the electric telescopic rod, a sliding plate is fixedly mounted on the lower surface of the fixing seat, a drilling motor is fixedly mounted in the fixing seat, an output shaft of the drilling motor is fixedly connected with a drilling rod, and a damping plate is arranged below the sliding plate; a positioning indicator lamp is embedded in the lower surface, close to the drilling rod, of the damping plate; the electric telescopic rod drives the drilling motor to ascend and descend, so that the positioning indicator