Air -cushion type layering vacuum tubular well

The utility model relates to an air -cushion type layering vacuum tubular well, it includes the tubular well, the middle part of tubular well is provided with air -cushion type vacuum tubular well layering water -lowering device, and air -cushion type vacuum tubular well layering water -lowering device includes that the inner circle is lapped and the air cushion ring of rubber material, being provided with four slides of cross cross arrangement on the inner circle apron, all being provided with a slide on every slide, vacuum generator tube is upwards connected in vacuum main pump pipe connecting hole, and the vacuum meter is taken over the hole and is upwards connected the vacuum meter pipe, and cable conductor and suspending pump rope hole make progress the connecting cable line and manage with the suspending pump rope, and drainage connecting pipe is connected downwards to the drainage tube hole, and the drainage tube hole run -on water pipe that makes progress is lapped both sides at the inner circle and i