Large-diameter conical roof installation construction device

The utility model discloses a large-diameter conical roof installation construction device, which relates to the technical field of conical roof installation, and comprises a storage tank and a central column arranged at the central position in the storage tank, the upper part of the central column is provided with a central cylinder with openings at the upper part and the lower part through an installation mechanism, and the central column extends to the upper part of the central cylinder from the bottom of the storage tank; a plurality of steel stand columns are fixedly installed on the top of the storage tank, a plurality of top cover vertical beams are arranged between the steel stand columns and the center cylinder, and a top cover is fixedly welded between the top cover vertical beams. According to the utility model, the position of the central column is determined through the steel wire rope A and the steel wire rope B, so that the position of the central cylinder is determined, pre-assembly on the gro