Exoskeletal pair of circular pond of membrane structure sealed cowling rotate in step

The utility model relates to an exoskeletal pair of circular pond of membrane structure sealed cowling rotate in step, including girder, circular track roof beam, girder, circular track roof beam constitute rigid support with the mud scraper driving together, are fixed with the sealed cowling below the rigid support and form the sealed cowling body, install the bearing travelling wheel below the circular track roof beam, the sealed cowling comprises two -layer membrane, the marginal sealing connection of two -layer membrane makes the space between the two -layer membrane form a seal chamber, the perpendicular interior sliding seal of formation face of basin that perhaps inserts circular cell body overflow edge in the peripheral concrete pavement plane with circular cell body flagging naturally of sealed cowling, it puts still to be equipped with the intelligence accuse pressure equipment of going on regulating and control to the atmospheric pressure in the seal chamber on the sealed cowling body, intelligence