| 摘要 |
PURPOSE: A complex cleaning truck for a road surface and a tunnel is provided to perform the cleaning of the tunnel, median divides and guide rails as well as the removal of soil, dust and sand on the road surface by using only one apparatus. CONSTITUTION: For the cleaning of median divides and guide rails, a rail brush(1) is movably mounted to a brush boom, which is movably installed to the front side of a cleaning truck by interposing a cylinder. On the other hand, for the cleaning of a road surface, a pair of side brushes(11) are installed to the right and left sides of the cleaning truck with being in contact with the bottom of the truck by using a hydraulic cylinder so as to be projected out of the truck by a centrifugal force, and a roller brush(16) rotating in the opposite direction to the advance direction of wheels is installed at the center of the truck. In addition, a boom having a tunnel brush is provided with a swing gear on the lower end thereof so as to rotate the tunnel brush at 220 degrees with a hydraulic motor.
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