High and large space profile steel-concrete structure roof construction formwork system

The utility model discloses a tall and large space profile steel-concrete structure roof construction formwork system which comprises a steel pipe column, a bottom formwork system, a lifting lug plate, a lifting rod, a fastening bolt, a side formwork system, an opposite-pull rod, a horizontal connecting rod, an inclined supporting rod and the like. The top ends of the steel pipe columns are supported on the periphery of the lower edge of a cross-shaped joint of the high and large space profile steel-concrete composite beam through hollow bearing beams, the lifting lug plates are welded to the upper edge of an H-shaped steel bottom plate of the profile steel-concrete composite beam, the top ends of the hanging rods are welded to the lifting lug plates, the lower ends of the hanging rods are connected with the bottom die system, and the bottom die system is fixed in position and adjusted in height through fastening bolts. The system is used for high and large space structure combined roof construction, solves t