摘要 |
<p>The system has a frame construction with a lifting frame (1) and a support, and a lifting unit with a main cylinder (2), a guiding unit (3), a dust carriage and a track guide (9). The lifting frame has a lightweight steel construction of profile tubes. The main cylinder is centrally arranged on a crossbeam. A suction box provided at a lower side includes suction slots and guide rails for accommodating upper and lower brush rows (5, 6), where the lower brush row is attached to a height adjustable frame.</p> |