| 摘要 |
<p>Cutter ring for drilling tunnels in rock, comprising two substantially identical halves being clamped to a rotation body (2) with two pins (6) arranged diametrically opposed each other and protruding into corresponding shaped holes (9) in the cutter ring halves, which radially inwardly directed portions having dovetail form for clamping in corresponding dovetail groove in the rotation body (2), whereby the dovetail groove being established by an inclined surface in the rotation body and by a wedge formed clamping ring (4) which is tightened radially inwards by means of bolts (5), between the cutter ring (1) and a second inclined surface in the rotation body, where the cutter ring halves being arranged on the rotation body with gaps (3) between the halves and the gaps (3) being offset 90° in relation to the pins (6).</p> |
