Large-span overline steel structure canopy reinforcing structure and construction method thereof

The invention belongs to the technical field of canopy reinforcement, and particularly relates to a large-span cross-line steel structure canopy reinforcement structure and a construction method thereof.The large-span cross-line steel structure canopy reinforcement structure comprises a bottom plate, a base, steel structure stand columns, a herringbone shed roof, a cross beam, a first reinforcement structure and a second reinforcement structure, the bottom plate is installed on the ground through bolts, and the bottom plate is connected with the base through the first reinforcement structure; the steel structure stand column is fixedly installed at the top end of the base, the top end of the steel structure stand column is connected with the cross beam through a second reinforcing structure, the herringbone shed roof is fixedly installed at the top end of the cross beam, a guide rail is fixedly installed on one side of the steel structure stand column, and a hydraulic cylinder used for jacking the cross beam