Protective air-tight door mounting structure and protective air-tight door

The utility model discloses a protective air-tight door installation structure and a protective air-tight door, and relates to the technical field of civil air defense engineering, the protective air-tight door installation structure comprises the protective air-tight door and a door frame which are arranged on the protective air-tight door installation structure, a door leaf is hinged to the interior of the door frame, and a handle is fixedly installed on the outer wall of one side of the door leaf; a mounting box is fixedly mounted on the outer wall of the top of the door frame, the same long column is detachably mounted on the inner walls of the two sides of the mounting box, two sliding holes are symmetrically formed in the outer wall of the top of the long column, and sliding columns are slidably mounted in the two sliding holes. Under the cooperation effect of a pressing plate and the like, a motor is controlled to be started, the motor rotates to drive a rotating column and a cam to rotate along with t