House building frame column formwork reinforcing device

The utility model discloses a house building frame column formwork reinforcing device which comprises a first supporting plate, lock heads are arranged, one side of each lock head is movably connected with a clamping piece, one side of each clamping piece is fixedly connected with a second supporting plate, the other side of each lock head is fixedly connected with a tightening rod, and one side of each tightening rod is fixedly connected with a transverse plate. And one side of each transverse plate is fixedly connected with a supporting rod, the bottom of each supporting rod is fixedly connected with a lantern ring, the inner side of each lantern ring is in threaded connection with a screw rod, and the outer side of one end of each screw rod is rotationally connected with a base. The locking head is driven to be clamped with the clamping piece, so that the positions of the first supporting plate and the second supporting plate are limited, the situation that a plurality of screws fixed to the surface of the