Underground roadway corridor type air door structure

The utility model relates to an underground roadway corridor type air door structure, which belongs to the technical field of underground coal mine ventilation and prevention and comprises a first air door and a second air door which are arranged in an underground roadway, the first air door is supported and mounted in the roadway through a large-section wall body, a corridor is arranged on one side of the large-section wall body, and the second air door is arranged at the end part of the corridor. Each of the first air door and the second air door comprises a door frame and two door plates mounted in the door frame through hinges, the door frame of the first air door is mounted in the large-section wall, and the door frame of the second air door is mounted in the corridor. The construction and application of the corridor type air door subversively innovates the traditional mode of constructing two air doors in a roadway, and solves the problems that the two air doors of a large-section roadway are more in ma