Gas pipeline butt joint fixing device

The utility model discloses a gas pipeline butt joint fixing device which comprises two pipeline bodies, two clamping plates are arranged outside each pipeline body, protective plates are arranged inside the two clamping plates, sliding rods penetrating through the clamping plates are fixedly arranged on the outer walls of the protective plates, and the sliding rods are connected with the clamping plates through buffering mechanisms. A fixing frame is jointly arranged below the two pipeline bodies, a plurality of extending plates are fixed to the outer walls of the two sides of the fixing frame, and supporting rods are fixedly arranged on the bottom walls of the extending plates. Through the arrangement of the clamping plates, the protection plate, the buffering mechanism, the movable plate, the adjusting double-end threaded rod and the adjusting mechanism, the two clamping plates can move and get close to the outer wall of the pipeline body under the action of the adjusting double-end threaded rod, so that t