Fabricated steel structure frame system

The utility model discloses an assembly type steel structure frame system which comprises a shell, a floor, a sealing plate, a fixing rod, a first turn button and a second turn button, a sliding cavity is formed in the side wall of the shell, a sliding groove is formed in the side wall of the shell, a sliding rod is installed on the side wall of the shell, and threaded holes are formed in the top of the sliding rod and the top of the shell. The threaded hole in the top of the shell communicates with the sliding groove, a floor slab is embedded into the sliding cavity, an opening of the sliding cavity is sealed through a sealing plate, an inserting rod is arranged on the side wall of the sealing plate, a threaded hole is formed in the top of the inserting rod, and a through hole is formed in the side wall of the sealing plate. The sliding rod on the side wall of one shell is inserted into the through hole of the other frame, the two frames are horizontally connected front and back, and the connection requireme