Concrete crack self-repairing grouting machine

The utility model relates to the technical field of concrete crack repairing, in particular to a concrete crack self-repairing grouting machine which comprises a repairing liquid cylinder, an injection assembly is connected to the bottom of the repairing liquid cylinder, and an adjusting assembly is installed on the side face of the injection assembly. A boosting rod used for pushing out liquid in the repairing liquid cylinder is installed in the repairing liquid cylinder. Sliding barrels are fixedly connected to the two sides of the repairing liquid barrel, guide rods are slidably connected to the interiors of the sliding barrels, and the tops of the guide rods are fixedly connected with the boosting rods. The injection pipe and the fixing ball are mounted at the bottom, the fixing ball is spherical, and the rotating spray head is rotatably connected to the outer side of the fixing ball, so that when the deep crack is repaired, the adjusting assembly is started to drive the rotating spray head to be adjusted