Filling pipe inner wall cleaning device

The invention discloses a filling pipe inner wall cleaning device, and belongs to the technical fields of geotechnical engineering and mineral engineering. A model test device comprises a flushing system, a mobile control system and an illumination observation system; the flushing system comprises a protective cover, a flusher, a protective layer, an anti-corrosion metal shell and other components; the illumination observation system comprises horizontal axis moving instruments, rotating instruments I, an illuminator, cameras, rotating instruments II, a wire III, a wire IV and other components; and the mobile control system comprises a wire I, telescopic supporting legs, moving wheels, rotating shafts, shock-proof springs, stress sensors and the like. The device can feed back an image to the ground by illuminating the condition of the inner wall of a filling pipeline, then the direction of a liquid jet instrument is checked, the flow of a water inlet is recorded in real time, and finally, specific liquid is j