The guard rail vehicle is designed to attach to the front of the vehicle can be washed with a guard rail while driving relates to a cleaning device. Guard rail cleaning apparatus according to the subject innovation, and the cleaning mode (12) is formed by a brush which is rotatably (10) on the periphery of the rotating body 11, the vehicle (2) to protrude into the traveling direction of the vehicle (2 a mounting frame 20 which is attached to the front of) and, mounted in front of the brush 10 is rotating and the vehicle, including the main link 35 moves to close to the guard rail (3) by the expansion and contraction (2) and a link part 30 which, through a frame provided in the front end of the link part 30 (41), the one pair of up and down through the top and as a single unit and each rear end is at the bottom of the frame 41 is engaged, the brush tip rotatably supporting the top and bottom of the brush 10, arm 43 and, provided at the front end of the brush arm 43 and the drive motor for rotating the brush (10) (51 ) to include it.
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