Positioning auxiliary assembly for pipeline maintenance

The utility model relates to the technical field of pipeline maintenance, and discloses a pipeline maintenance positioning auxiliary assembly which comprises a body. A plurality of supporting assemblies are arranged on the wall face of the body, the supporting assemblies are opened in an umbrella shape and abut against the inner wall of a pipeline to fix the body, each supporting assembly comprises an overturning part and a driving wheel, the circumferential face of the body is in threaded connection with a threaded sleeve, and the end face of each threaded sleeve is rotationally connected with a push ring slidably connected with the body. The connecting rods are rotationally connected with the corresponding overturning parts, the connecting rods can push the overturning parts to overturn around the main body so that the driving wheels can abut against the inner wall of the pipeline, the push rings are pushed to slide along the main body by rotating the threaded sleeves, the push rings push the connecting rod