| 摘要 |
A swinging device for a dredger of the kind having a two-part articulated dredging boom comprises at least one jack having a jack body provided with a piston rod, the jack body and the piston rod being connected respectively by two connecting joints to separate parts, one of which is fixed, while the other pivots and is coupled to the movable dredging arm. The connecting joint of said jack body is located on a yoke which prolongs this body on the same side as the side on which the piston rod extends, the connecting joint of said jack body thus being located in the vicinity of the connecting joint of said piston rod. |
