| 摘要 |
<p>The invention concerns a cutter head (8) for loosening and removing under water obstacles (12), the cutter head hangs on cables (5, 7) to flexibly support the cutter head, the cutter head is coupled to a flexible pressure pipe (6) and the cutter head comprises a pump for transporting loosened material through the flexible pressure pipe, a suction mouth (25) connected to the pump, and in front of the suction mouth two counter rotating cutters (10) with cutter teeth (16) and parallel cutter rotation axes (35). In accordance with the invention, each rotating cutter has at least two rings (17) perpendicular to the cutter rotation axis, the rotating cutter teeth are mounted on the outer circumference of the rings and the rings intersect in front of the suction mouth.</p> |
