Rapidly disassembled and assembled falling frame device for capping beam pouring

The utility model discloses a falling frame device capable of being quickly disassembled and assembled and used for capping beam pouring. The falling frame device comprises a clamping seat part and an adjustable support part. The adjustable bracket part is mounted above the clamping seat part; the clamping seat part comprises a square tube seat, and the left end and the right end of the square tube seat are open ends for the external suspension end of the transverse round steel bar to pass through; at least one group of opposite vertical long holes are formed in the front side wall and the rear side wall of the square tube seat, a front positioning screw rod and a rear positioning screw rod which are oppositely arranged penetrate through the vertical long holes, a front clamping head and a rear clamping head are respectively mounted at the inner ends of the front positioning screw rod and the rear positioning screw rod, and the front clamping head and the rear clamping head are in clasping contact with the ou