Plumbing pipe combination type lock mouth steel pipe pile

The utility model discloses a plumbing pipe combination type lock mouth steel pipe pile which comprises a steel pipe and is characterized in that a lock mouth pipe is fixed on one outer side of the steel pipe in parallel and an I-beam is fixed on the other side of the steel pipe in parallel. The lock mouth pipe of the steel pipe and the I-beam of the steel pipe are combined to form an inner cavity filled with water shutoff materials. The lock mouth pipe, a steel pipe, is smaller than the steel pipe. A lock mouth is formed in the pipe wall of an extension line of the connection line of the steel pipe center and the lock mouth pipe center. Strengthening plates are arranged between the two sides of the lock mouth pipe and the steel pipe. The I-beam is arranged on the pipe wall symmetrical or perpendicular to the lock mouth pipe. The plumbing pipe combination type lock mouth steel pipe pile is simple in structure, low in material consumption, and capable of improving processing speed and working efficiency, effec