| 摘要 |
<p>A wedge device (1) for clamping of pipes (24) and tools during petroleum production, the wedge device (1) comprising an annular mounting element (4) arranged for connection to a deck (2) or a rotary table, where a plurality of main wedges (6), with associated clamps (22) and displaceable with respect to the annular mounting element (4), encircle the vertical central axis (8) of the wedge device (1), and where the clamp (22) is located on an auxiliary wedge (18) displaceably or rotatably coupled to the main wedge (6).</p> |
