Flood prevention device for water conservancy project

The utility model discloses a water conservancy project flood prevention device, and particularly relates to the field of water conservancy projects, the water conservancy project flood prevention device comprises a plurality of flood prevention blocking frames which have the same structure and are assembled together side by side, the water blocking end of each flood prevention blocking frame is provided with an arc-shaped water blocking groove, and the rear side of each flood prevention blocking frame is provided with a fixing shell; reinforcing assemblies are fixedly connected to the positions, located on the two sides of the fixing shell, of the bottom of each flood prevention blocking frame, a water storage cavity is formed in the fixing shell, a water drainage opening communicating with the water storage cavity is formed in the outer wall of the bottom of the fixing shell, and an arc-shaped channel communicates between the top of the water storage cavity and the arc-shaped water blocking groove. Accordin