Steel structure corridor for high-rise building

The utility model discloses a high-rise building steel structure corridor which comprises a cantilever beam and a corridor body, a bottom plate is fixed on the cantilever beam through a pre-buried screw, a supporting plate is welded to the top face of the bottom plate, a vertical plate connected into a whole is arranged at the top of the supporting plate, and a U-shaped supporting frame is welded to the lower end face of a lower cross beam of the corridor body. The U-shaped supporting frame is connected with the top face of the supporting plate in a supporting mode through an elastic cushion, a first straight notch and a second straight notch are formed in the side face of the U-shaped supporting frame and the side face of the vertical plate respectively, and a transverse buffering piece penetrates through the first straight notch and the second straight notch and is fixed through limiting nuts. The corridor main body is longitudinally buffered through the elastic cushion and the elastic piece, the corridor m