| 摘要 |
The invention concerns a mobile cleaning device suitable for displacing along and cleaning a series of adjacent tilted solar panels aligned in a row and requiring therefor no superstructure fixed to the row of solar panels. The device includes a supporting frame defining a cleaning plane, on which are mounted a cleaning device suitable for cleaning a surface parallel to the cleaning plane, a support device for maintaining the supporting frame substantially parallel to the surface to be cleaned during the displacement of the cleaning device along a row of solar panels; and a guiding device for guiding the displacement of the cleaning device along a row of solar panels. The guiding device includes at least two, preferably at least three, separate guiding wheels, which are aligned along a straight line parallel to the cleaning plane and adjacent to a first edge of the frame. Each guiding wheel is mounted such as to rotate about an axis substantially normal to the cleaning plane and suitable for resting and rolling on the upper edge of the aligned solar panels with the cleaning device in cleaning contact with the surface to be cleaned.
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