Fabricated steel structure house capable of being rapidly installed

The utility model discloses a quickly installed assembly type steel structure house, which relates to the technical field of steel structure house installation, and comprises three pieces of longitudinal support section steel which are uniformly distributed at equal intervals; the two sets of transverse supporting profile steel are arranged, and the two ends of the transverse supporting profile steel make contact with the longitudinal supporting profile steel; the U-shaped positioning piece wraps the longitudinal supporting profile steel and is connected with the transverse supporting profile steel; the number of the positioning frames is two, the positioning frames are fixed to the two sides of the transverse supporting profile steel, and the positioning frames extend into the longitudinal supporting profile steel and are fixedly connected with the longitudinal supporting profile steel; the longitudinal supporting section steel and the transverse supporting section steel are connected together through the U-