Tunnel escape pipeline connecting assembly

The utility model relates to the technical field of tunnel escape pipelines, and discloses a tunnel escape pipeline connecting assembly which comprises a connecting sleeve for connecting two escape pipelines and a locking structure arranged outside the connecting sleeve. At least one group of locking structures are arranged, and a connecting sleeve ring is arranged outside the escape pipeline close to the connecting sleeve; each group of locking structure comprises a support frame; the side, close to the connecting lantern ring, of the transversely-arranged part of the supporting frame and the outer side of the inserting lantern ring are arranged at an interval. A limiting hole perpendicular to the axial lead direction of the escape pipeline is formed in the transversely-arranged part of the supporting frame, the limiting hole is in sliding connection with the movable column, the movable column is connected with the abutting block, the movable column is sleeved with a thrust spring, one end of the thrust spri