Production device of concrete arc folding beam

The utility model discloses a production device of a concrete arc folding beam, which comprises a shell, the shell is provided with a cavity, and the section of the cavity is arc-shaped; a cavity is formed in the shell, a first screw rod and a second screw rod are arranged on the surface of the shell, the first screw rod and the second screw rod are fixedly connected with the shell, limiting plates are arranged on the first screw rod and the second screw rod, an adjusting plate is arranged in the cavity, the adjusting plate is in close contact with the surface of the cavity, and the adjusting plate is clamped to the bottom end face of the limiting plate; the device has the advantages that the two sets of nuts are connected with the first screw rod and the second screw rod respectively, so that the adjusting plate is clamped in the limiting groove, the adjusting plate can be fixed in the cavity, then concrete is injected into the two sides of the adjusting plate to manufacture the arc folding beam, the adjusti