| 摘要 |
PURPOSE:To automatically clean the dirt on the surface of a pole main body by utilizing the wind/water pressure. CONSTITUTION:A cleaning device 20 receiving the wind/water pressure is rotatably supported on a post main body 10 centering on the post axis, and the dirt on the outer periphery of the post main body 10 are wiped by the rotation of the cleaning device 20. The cleaning device 20 has a rotor 21 rotatably supported on the post main body 10, a blade member 26 receiving the wind/water pressure is fitted outside of the rotor 21, and a brush member 27 brought into contact with the outer periphery of the post main body 10 is fitted inside of the rotor 21. Multiple frames 123a are provided on the rotor 21, brush members 27a are planted on the side faces of the frames 123a to be brought into contact with the outer periphery of the post main body 10, and some of the frames 123a can be formed into a blade shape to receive the wind/water pressure. |
