Supporting structure of be used for chimney steel inner tube

The utility model relates to a supporting structure of be used for chimney steel inner tube, including chimney concrete urceolus and steel inner tube, the steel inner tube is located chimney concrete urceolus inner chamber, its characterized in that: cup jointed the beaded finish and set up a plurality of steel corbel and the ear is chosen in a plurality of hoist and mount at the surface of steel inner tube, is equipped with to be enclosed to close by a plurality of girder steels at chimney concrete urceolus inner chamber to connect into square frame, and the steel inner tube lies in square frame, the steel inner tube hangs on square frame, forms suspension type hoisting structure, steel corbel is located square frame's apex angle department, and steel corbel's bottom is connected with the bracket girder steel, the both ends of this bracket girder steel respectively with square frame's adjacent girder steel fixed connection, form the longitudinal support structure of steel inner tube, hoist and mount are chosen the ear and are had the hole for hoist that supplies the steel wire to pass, the steel inner tube is hung on square frame through the steel hang spring, forms the horizontal bearing structure of suspended structure. The utility model discloses reasonable mechanics setting has, but full play steel intensity, and section of thick bamboo wall atress is given first place to in order to draw to the wall thickness can be reduced, the engineering volume is reduced.