Air cannon angle adjusting device

The utility model relates to the technical field of air cannons, in particular to an air cannon angle adjusting device which comprises an air cannon barrel, a sliding limiting plate is arranged at the top of the air cannon barrel, four sets of symmetrically-distributed semicircular rubber abutting blocks are arranged in an inner cavity of the sliding limiting plate, and a fixed limiting plate is arranged at the bottom of the air cannon barrel. Rubber anti-skid belts are fixedly mounted at the ends, close to the air cannon barrel, of the sliding limiting plate and the fixed limiting plate, two sets of rubber separation belts are fixedly connected to the end, away from the fixed limiting plate, of the outer wall of the air cannon barrel, and limiting belts are fixedly connected to the ends, away from the air cannon barrel, of the rubber separation belts; according to the utility model, through the arrangement of the rubber anti-skid belt and the rubber separation belt, when the sliding limiting plate, the fixed