Oxygen cabin monitoring device

The utility model discloses an oxygen cabin monitoring device which comprises two installation plates, a screw rod is arranged between the two installation plates in a jointly rotating mode, one installation plate is provided with a power mechanism connected with the screw rod, the screw rod is sleeved with a nut through a transverse limiting mechanism in a threaded mode, the nut is provided with monitoring equipment through a fixing plate, and the monitoring equipment is connected with the power mechanism in a threaded mode. A movable frame is arranged on the side of the monitoring equipment through a telescopic mechanism, a reciprocating lead screw is rotationally arranged in the movable frame, a wiping rod corresponding to the monitoring equipment is installed on the reciprocating lead screw through a vertical limiting mechanism in a threaded mode, and a transmission shaft connected with the reciprocating lead screw is rotationally arranged on the movable frame. Through the arrangement of the air cylinder,