Tile type inflatable shaft adopts aluminum alloy tile, expansion flexibility, high-quality rubber liner and quick charge and exhaust nozzle, good sealing effect, long service life, convenient disassembly head, repair. After inflation, the expansion part is plate, usually bulge height up to 4--5 mm (such as expansion of 3 inch diameter of 74 mm to 75 mm, expanded diameter is 78 to 80 mm in height) for special expansion height, shall be required. Tile type inflatable shaft expansion the whole board piece, the fulcrum of uniform dispersion, uniform stress, suitable rolling precision machinery or coiling lighter items, can accept all kinds of non-standard goods.