| 摘要 |
<p>A boat lift (10) for use with a boat (40) and an ocean structure (20) is provided, wherein the lift (10) includes one or more mechanisms (100, 120) for raising the boat (40) in respect of the structure (20) and/or for lowering the boat (40) in respect of the structure (20). The one or more mechanisms (100, 120) are mounted to the boat (40), and the one or more mechanisms (100, 120) are adapted to engage onto one or more upright members (130) of the structure (20). Each mechanism (100, 120) includes a configuration of at least two rollers (120A, 120B) for engaging onto the one or more upright members (130), the at least two rollers (120, 120B) being adapted to be forced in operation into engagement onto the one or more upright members (130) by a weight of the boat (40) acting upon the at least two rollers (120A, 120B). The lift (10) further includes lifting actuators (140) operable to rotate one or more of the rollers (120A, 120B). The structure (20) includes one or more of: a portion of an oil rig, a hull of a cargo vessel, a base of a tower of a large offshore wind turbine, a central floating platform of an ocean wave energy park, a passenger ship.</p> |
