Fuel gas leakage detection punching device

The utility model discloses a fuel gas leak detection punching device which comprises a fixing frame, an electric hydraulic rod is fixedly installed on the top of the fixing frame, one end of a piston rod of the electric hydraulic rod penetrates through the fixing frame and is fixedly connected with a concave frame, and the bottom of the concave frame is fixedly connected with a sliding plate. An output shaft of a driving motor in the drilling assembly drives a rotating shaft and a spiral conveying piece on the outer wall of the rotating shaft to rotate, a piston rod of an electric hydraulic rod stretches and retracts to drive a concave frame and a sliding plate to descend, and a limiting sliding groove and a limiting sliding block are matched to improve the stability of the sliding plate, so that the drilling assembly moves towards the ground; a spiral conveying piece in the drilling assembly penetrates through a sleeve to conduct drilling operation on the ground, a sleeve and a connecting rod in the auxilia