Steel die structure for building crown of movable total oxygen kiln

The utility model relates to the technical field of building of arch bricks of glass melting furnaces, in particular to a steel die structure for building a crown of a movable total oxygen furnace. The steel die structure comprises a support frame, a bearing platform and a steel die arch tire, the steel die arch tire is mainly composed of top arc-shaped steel and a bottom steel base and is dividedinto a plurality of sections. Flat steel is arranged in the radial middle of the upper arc surface of the arc-shaped steel, and a plurality of adjusting bolts are uniformly arranged on the upper arcsurface corresponding to two sides of the flat steel; the supporting frame comprises a plurality of supporting vertical pipes, and diagonal bracings and flat bracings are arranged between the supporting vertical pipes. Adjusting jackscrews are arranged at the top ends of the supporting vertical pipes, and base plates are arranged at the bottom ends of the supporting vertical pipes; universal wheels are connected to the low