Sealed device that covers of integration

The utility model relates to a sealed device that covers of integration, the device includes: sleeve, bellows lower sleeve, blind flange, sealing washer on roof, air generation system, gas bag, trachea, connecting rod, bolt, gasket, nut, hook, pull rod, air cap, bellows, bearing plate, the bellows, the welding of bellows lower extreme is on the blind flange, and the sleeve welds respectively on blind flange and bearing plate on bellows lower sleeve and the bellows, the upper end of bellows and bearing plate welding equipment, and the air cap welding that equipment in advance has trachea and gas bag is in the bearing plate upper end, the pull rod passes bearing plate and blind flange thread connection, roof, connecting rod, hook and bearing plate pass through bolt, gasket, nut and assemble integratively become. The utility model discloses a sealed device that covers of integration is from installing the dismantlement, but whole process remote operation realize, avoid inconvenient drawback and the trouble of the special manual operation who brings of environment, compact structure, the system is simple.