Grouting pipe structure suitable for all-casing pipe-following root pile construction

The utility model relates to the technical field of root pile grouting, and discloses a grouting pipe structure suitable for all-casing pipe-following root pile construction, which comprises a grouting pipe body, a plurality of groups of centering structures arranged at intervals are arranged on the periphery of the grouting pipe body, and each centering structure comprises a centering frame arranged on the periphery of the grouting pipe body. The distance from each centering frame to the center line of the grouting pipe body is consistent; a positioning structure is arranged at the bottom of the grouting pipe body and comprises a plurality of positioning strips, and the bottom ends of the multiple positioning strips are connected with one another to form a positioning part located on the center line of the grouting pipe body. Through a series of centering frames arranged on the periphery of the grouting pipe, the grouting pipe is placed in the middle, the distance between the grouting pipe and the inner wall