Gas leakage detection tool for gas pipeline

The utility model discloses a gas pipeline leakage detection tool, which comprises a detector, the top of the detector is communicated with a detection pipe, the surface of the detection pipe is provided with an extension pipe, the interior of the extension pipe is fixedly connected with a detection head, the interior of the extension pipe is provided with a long groove, the surface of the inner wall of the long groove is provided with a sliding groove, and the inner wall of the sliding groove is provided with a through hole. The surface of the detection pipe is fixedly connected with a sliding block in sliding connection with the sliding groove, the interior of the extension pipe is in threaded connection with a screw rod, the right end of the screw rod extends into the sliding block, the inner wall of the extension pipe is fixedly connected with a sealing ring, and the left end of the screw rod penetrates through the surface of the extension pipe and is fixedly connected with a rotating plate. According to