Alignment tool for lap joint of PHC pipe pile

The utility model relates to the technical field of PHC pipe pile lap joint welding in constructional engineering, and provides a PHC pipe pile lap joint alignment tool which comprises a pipe pile limiting rod and a vertical checking rod frame, the pipe pile limiting rod is a U-shaped steel bar, the middle section of the pipe pile limiting rod is a semicircular section, and the two ends of the pipe pile limiting rod are straight steel bar sections with the length ranging from 500 mm to 600 mm; the vertical checking rod frame comprises horizontal steel bars, vertical steel bars and supporting steel bars, the horizontal steel bars are parallel to the pipe pile limiting rod, the ends of the horizontal steel bars are connected to the midpoint of the semicircular section of the pipe pile limiting rod, and the vertical steel bars are perpendicular to the horizontal steel bars, and the ends of the vertical steel bars are connected to the midpoint of the semicircular section of the pipe pile limiting rod. The two end