Civil air defense construction air-tight door sealing performance detection equipment

The utility model discloses a civil air defense construction air-tight door sealing performance detection device comprising a bottom plate, two sides of the bottom end of the bottom plate are respectively connected with moving wheels, the bottom plate is slidably connected with a sliding plate, the sliding plate is connected with a double-end motor, the power output end of the double-end motor is connected with a rotating shaft, the rotating shaft is connected with a bevel gear set, and the bevel gear set is connected with a bevel gear. The bevel gear set is connected with a driving device capable of driving the sliding plate to slide intermittently, the end of the rotating shaft is connected with a first hinge rod, the other end of the first hinge rod is hinged to a second hinge rod, the other end of the second hinge rod is hinged to a splitter plate, and the other end of the splitter plate is connected with a plurality of air suction heads. The splitter plate is slidably connected between the stand columns,