A steel structure corridor is prefabricated in box-type modular factory

The utility model discloses a prefabricated steel structure corridor for a box-type modular factory, which is characterized by comprising a top plate, a bottom plate and four upright posts, namely a first upright post, a second upright post, a third upright post and a fourth upright post; the first stand column and the second stand column are located on the same side, the third stand column and the fourth stand column are located on the same side, and the third stand column and the fourth stand column are located on opposite faces of the first stand column and the second stand column. The bottom plate is fixedly connected to the lower ends of the first column, the second column, the third column and the fourth column, and the top plate is fixedly connected to the upper ends of the first column, the second column, the third column and the fourth column. According to the corridor, the top plate and the bottom plate are connected through the four stand columns to form the main body of thecorridor, and the guardr