FIELD: transport.
SUBSTANCE: inventions related to cleaning of tunnel tracks, wall and floors. Invention covers rail-mounted vehicle and method of cleaning walls or floors inside tunnels on municipal railways and tramways with application of this device. Proposed device comprises several air nozzles arranged at common support to feed compressed air. Said nozzles are arranged on both sides of mouth-like suction hole. Pressure feed is adjusted so that pressure in front row of nozzles is lower than that in rear row.
EFFECT: higher efficiency of cleaning.
14 cl, 5 dwg
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