Grouting drill rod

The utility model discloses a grouting drill rod which comprises a supporting pipe, a slurry inlet is formed in the top end of the supporting pipe, a first slurry outlet is formed in the bottom end of the supporting pipe, a light pipe and supporting blades used for drilling and soil taking are arranged on the periphery of the supporting pipe, and the supporting blades are located at the bottom of the supporting pipe. The grouting drill rod comprises a light pipe and a supporting blade, the light pipe is located above the supporting blade, the light pipe is provided with light blades used for leading out muck, the light blades are spirally wound around the periphery of the light pipe, the light blades and the supporting blade are continuously arranged, and the light pipe and the light blades can effectively reduce the dead weight of the grouting drill rod. The grouting drill rod is simple in structure and convenient to use, manufacturing cost is reduced, light blades with different diameters can be replaced ac