| 摘要 |
<p>A device controlled by automatics for handling material, for example scrapped goods, waste paper and paper bales, comprises an elongated arm (1, 2, 3) with one or several parts mutually connected, for example pivotably. A gripping apparatus (8) is arranged on the arm and at least one sensor (12) is arranged to sense whether any material exists on a ground portion or not. Furthermore, a control unit (15) is arranged to control the movement of the arm to the material on the basis of information received from said sensor (12). In this device the sensors (12) are arranged on the arm of the device and the control unit is adapted to control the arm to sweep over the ground, preferable at a substantial height over the material, so as to position the material. The sensors (12) have transmitter as well as receiver of signals of intermittent or continuous nature, the latter being intended to be reflected by the material or the ground, so as to measure the distance to the ground and by doing so position the material.</p> |
