| 摘要 |
A road cleaning water supply device is provided to keep a roadway clean, to reduce cleaning expense and to prevent traffic congestion while cleaning. A road cleaning water supply device comprises many boundary stones(10) installed between a roadway and a footway, a protective case composed of a main body opened at the front and installed to the inside of the boundary stone and an opening and closing panel(22) opening and closing the main body, an injection nozzle(30) installed on a branch line, placed in the main body of the protective case and provided with an injection port(31) toward a road, a supply line supplying cleaning water, a supply line control valve installed to the supply line to control the flow rate of cleaning water, a branch line diverged into each injection nozzle from the supply line to supply cleaning water from the supply line to the injection nozzle, and a branch line control valve installed on the branch line and placed in the protective case to control the flow rate of cleaning water to the injection nozzle manually.
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