Anti-jamming lifting clamping groove device for falling type double-leaf civil air defense door

The anti-jamming lifting clamping groove device for the falling type double-leaf civil air defense door comprises the lifting double-leaf civil air defense door, lifting clamping groove bodies located on the two sides and a wall body, a transmission screw is rotationally connected into each lifting clamping groove body through a bearing, sleeve blocks are arranged on the transmission screws, the two sleeve blocks are welded to one side of the lifting double-leaf civil air defense door respectively, and the lifting clamping groove bodies and the wall body are arranged on the lifting double-leaf civil air defense door. The sleeve blocks are in internal and external threaded connection with the transmission screw rod, a guide rod is arranged on the lifting clamping groove body, and the guide rod penetrates through the sleeve blocks; the protective ruler strips on the upper side and the lower side in the protective assembly form a protective structure for the lifting clamping groove body, and meanwhile the first