| 摘要 |
<p>A swing damper (1) for dampening swinging motion of working element, comprising an upper part (2), that is connected to a suspension, and a lower part (3), that is connected to a rotator, wherein the upper part (2) and the lower part (3) are pivotally connected to each other, wherein between the upper part (2) and the lower part (3) are arranged discs (7, 8, 9,10, 11), which can swing around central axis (6), wherein at least one of said discs (7, 8) is secured against rotation relative to the upper part (2) and at least one of said discs (9, 10, 11) is secured against rotation relative to the lower part (3), whereby the upper part (2) and the lower part (1) are pivotally connected to each other through a whole center pin (14), and whereby the swing damper (1) comprises tensioning elements (20, 21, 22) operating to press the discs (7, 8, 9,10, 11) together during the swing dampening operation, wherein the tensioning elements (20, 21, 22) are arranged at least in one or more discs (7, 8, 10, 11).</p> |
