Friction stir welding clamp for galvanic pile shell

The utility model discloses an electric pile shell stirring friction welding clamp which comprises a bottom plate, a jacking assembly, a pressing plate assembly, a hexagon socket head cap screw, a pulling plate, a supporting column, a rib plate, a fixing ring, a positioning assembly, a cylindrical pin and a reinforcing rib, the bottom plate is provided with a supporting piece and a welding strip, the supporting piece is connected with the pressing plate assembly, and the welding strip is connected with the pressing plate assembly. A pressing plate assembly is arranged on the bottom plate, a jacking assembly is installed on the bottom plate, a hexagon socket head cap screw is arranged in the pressing plate assembly, a pulling plate is connected to the hexagon socket head cap screw, a supporting column is connected to the pulling plate in a sliding mode, a rib plate is arranged on the pulling plate, a fixing ring is installed on the bottom plate, and a positioning assembly is further arranged on the bottom plat