Drainage pipe reinforcing tool

The utility model relates to a drainage pipe reinforcing tool, and belongs to the field of water conservancy project drainage pipe construction, the drainage pipe reinforcing tool comprises a base, a lower supporting seat and an upper supporting seat, the lower supporting seat is fixedly connected with the base, the upper supporting seat is detachably connected with the lower supporting seat, and the lower supporting seat is slidably connected with at least two lower positioning seats; a lower semi-ring groove is formed in the lower positioning seat, an upper positioning seat corresponding to the lower positioning seat is connected to the upper supporting seat in a sliding mode, an upper semi-ring groove is formed in the upper positioning seat, the upper semi-ring groove and the lower semi-ring groove jointly form a pipeline containing space, and a limiting structure used for limiting the position of the lower positioning seat is arranged on the lower supporting seat. The pipeline fixing device has the effect