Concrete construction formwork device for drainage groove side wall

The utility model discloses a drainage groove side wall concrete construction formwork device. The drainage groove side wall concrete construction formwork device comprises a foundation base, a U-shaped fixed formwork and a movable formwork. A U-shaped opening groove is formed in the front end of the foundation base, an electric telescopic rod is fixedly installed in the middle of the rear end face of a U-shaped fixing template in an embedded mode, limiting straight sliding grooves are formed in the two sides of the inner wall of the front end of the U-shaped fixing template in a penetrating mode, and baffles are movably connected to the inner walls of the limiting straight sliding grooves in an attached mode. Limiting holes are formed in the two sides of the middle of the rear end face of the U-shaped fixing template in a penetrating mode. Hidden openings are formed in the two sides of the lower end face of the foundation base, supporting screws are connected to the inner tops of the hidden openings in a pen