Reverse ridge reinforcing device and reverse ridge formwork system

The invention belongs to the technical field of building formworks, and discloses a reverse ridge reinforcing device. The reverse ridge reinforcing device comprises a door-shaped clamping piece unit, a plug pin unit and a pressing unit; a door-shaped clamping piece comprises a first side clamping column, a connecting column and a second side clamping column which are sequentially connected to form a door frame shape with a downward opening; the plug pin unit comprises a connecting rod and a plug pin; the connecting rod is fixed on one side, close to the second side clamping column, of the first side clamping column; the upper end of the plug pin is fixed on the connecting rod; and the pressing unit comprises a nut fixed to the second side clamping column and a screw rod matched with the nut. The invention further discloses a reverse ridge formwork system. The reverse ridge formwork system comprises a reverse ridge formwork and the reverse ridge reinforcing device used for fixing the reverse ridge formwork. Co