| 摘要 |
The excavating head (1) comprises: an attachment element (2) to a driving machine to place the head (1) in rotation; a plate-shaped body (7) having a first main face (8) and a second main face (9), the first main face (8) being facing to the excavation front and the second main face (9) being opposite to the first main face (8) and connected to the attachment element (2); at least an excavation tool (10) associated with the plate-shaped body (7) so as to protrude at least in part from the first main face (8); and suction means (13) of the excavated material associated with said plate- shaped body (7) and comprising: a plurality of through openings (14, 15) and crossing the plate-shaped body (7) between the first main face (8) and the second main face (9); and a hood-shaped element (17) having a suction mouth (18) adjacent to the second main face (9) and surrounding the through openings (14, 15). |
