Grouting pipe

The utility model discloses a grouting pipe which comprises a grouting pipe body, a plurality of grouting holes are formed in the periphery of the grouting pipe body, and an anti-blocking assembly for preventing the grouting holes from being blocked is arranged in the grouting pipe body. The anti-blocking assembly comprises a fixing pipe installed in the slurry jetting hole, a sliding ring is connected into the fixing pipe in a sliding mode, a filter screen cylinder is arranged on one side of the sliding ring, a sealing cover is arranged on the other side of the filter screen cylinder, and a reset spring is arranged on the other side of the sliding ring. In the grouting process, grout flows in the grouting pipe body, after the pressure in the grouting pipe body is sufficient, the sealing cover abuts against the grouting pipe body, so that the grout cylinder flows out of the grouting pipe body through the filter screen cylinder, after grouting is completed, the pressure in the grouting pipe body is reduced, an