Pipeline robot auxiliary facility for cleaning large obstacles such as gravels in pipeline

The invention discloses a pipeline robot auxiliary facility for cleaning large obstacles such as gravels in a pipeline, and relates to the technical field of pipeline robots. The pipeline robot auxiliary facility comprises a shell, the shell is of a hollow structure, and three first sliding grooves distributed in an annular array are formed in one end face of the shell in a penetrating mode, a first electric push rod is fixedly connected with the middle of the other end face of the shell, the end, away from the shell, of the first electric push rod is fixedly connected with a pipeline robot body, a movable frame is arranged in the middle of an inner cavity of the shell, the outer side wall of the movable frame is in attached connection with the inner side wall of the shell, and a mounting partition plate is arranged in the middle of an inner cavity of the movable frame. According to the pipeline robot auxiliary facility for cleaning large obstacles such as gravels in pipeline, the outer side of a movable shaf