Abstract: The ship rescue cabin, the rectangular sealing box body are divided into large and small sealing boxes by the partition board, and both the partition board and the small sealing box are provided with sealing doors and locking handles. The small seal box has an exhaust valve switch, the large seal box has three short adapters, and the bottom plate has holes and rubber squares. The edge of the bottom plate is provided with an extension piece, and the extension plate is provided with holes. The bottom plate of the adjacent small sealing box is also provided with holes. There is also a square frame corresponding to the slightly larger bottom surface of the sealing box with screw rods.

Abstract: The present invention discloses a rotary wheel airtightness detecting machine which comprises a body frame, an air cylinder, an upper seal, a lower seal, a water tank, an electric motor and a self-made air cylinder, etc. During use, the present invention can make the wheel be automatically centered between the upper seal and the lower seal, avoiding severe abrasion of equipment caused by inclination of the upper pressing plate for sealing upon biased positioning of the wheel.

Abstract: The present invention discloses a rotary wheel airtightness detecting machine which comprises a body frame, an air cylinder, an upper seal, a lower seal, a water tank, an electric motor and a self-made air cylinder, etc. During use, the present invention can make the wheel be automatically centered between the upper seal and the lower seal, avoiding severe abrasion of equipment caused by inclination of the upper pressing plate for sealing upon biased positioning of the wheel.