C-shaped framework assembly type multi-span greenhouse

The utility model relates to the technical field of agricultural planting, and discloses a C-shaped framework assembly type multi-span greenhouse which comprises a first main beam, and a transverse pulling beam inclined supporting plate, a transverse pulling beam and a galvanized inclined supporting plate are fixedly installed on the lower surface of the first main beam. According to the utility model, the passing firmness is high; the service life is long; the wind and snow resistance is high; convenient installation, local replacement of the greenhouse film is facilitated; column-free greenhouse, spatial brightness, clean shed surface, high internal temperature, the plastic film is clamped in the clamping groove of the framework by the spring; wind resistance, locally replaceable film, cost saving, mounting speed is high, the installation of the greenhouse of 2000 square meters can be completed within 2 days; the C-shaped steel framework is adopted, framework processing materials areadopted, the structure a