Vessel comprising a lifting device

Abstract

A vessel for installing a platform on an offshore support structure comprises a floating body, a lifting device which is tiltable about a tilting axis with respect to the floating body and a tilting force member for applying a tilting force to said lifting device. The lifting device is provided with a static part that is tiltable about the tilting axis and a movable part which is movable in vertical direction with respect to the static part. The tilting force member engages a drive location at the static part.

1 . A vessel for installing a platform on an offshore support structure, comprising a floating body. a lifting device on the floating body which is tiltable about a tilting axis with respect to the floating body and a tilting force member configured to apply a tilting force to said lifting device, which lifting device is provided with a static part that is tiltable about said tilting axis and a movable part which is movable in a vertical direction with respect to the static part, wherein the tilting force member engages a drive location at the static part. 
     
     
         2 . The vessel according to  claim 1 , wherein the drive location is located below the tilting axis. 
     
     
         3 . The vessel according to  claim 1 , wherein a support member for supporting a platform is pivotally mounted to the movable part. 
     
     
         4 . The vessel according to  claim 1 , wherein the static part is tiltable through a ball joint. 
     
     
         5 . The vessel according to  claim 4 , wherein the tilting force member is configured such that it displaces the drive location in different horizontal directions. 
     
     
         6 . The vessel according to  claim 1 , wherein the tilting force member comprises a drive unit. 
     
     
         7 . The vessel according to  claim 5 , wherein the drive unit comprises at least two hydraulic cylinders which are operable in mutual different directions. 
     
     
         8 . The vessel according to  claim 1 , wherein the tilting force member comprises a resilient element. 
     
     
         9 . The vessel according to  claim 1 , wherein the static part and the movable part are formed by a hydraulic cylinder. 
     
     
         10 . A vessel, comprising:
 a floating body;   a lifting device mounted to the floating body, the lifting device comprising a static part and a movable part movable in a linear direction relative to the static part, the static part being mounted to the floating body so as to be tiltable about a tilting axis with respect to the floating body; and   a tilting force member mounted to the floating body and mounted to a drive location on the static part, the tilting force member configured to apply a driving force to the static part to tilt the static part.   
     
     
         11 . The vessel according to  claim 10 , wherein the drive location is located below the tilting axis. 
     
     
         12 . The vessel according to  claim 10 , wherein the static part is tiltable through a ball joint. 
     
     
         13 . The vessel according to  claim 12 , wherein the tilting force member is configured such that it displaces the drive location in different horizontal directions. 
     
     
         14 . The vessel according to  claim 10 , wherein the tilting force member comprises a drive unit. 
     
     
         15 . The vessel according to  claim 10 , wherein the tilting force member ( 10 ) comprises a resilient element. 
     
     
         16 . A lifting assembly, comprising:
 a supporting element;   a lifting device comprising a static part and a movable part movable in a linear direction relative to the static part, the supporting element being joined to the static part and configured to allow the static part to be tiltable about a tilting axis to substantially vertically positions when the supporting element is located on a horizontal support surface; and   a tilting force member joined to the static part at a drive location and configured to tilt the static part.   
     
     
         17 . The lifting assembly according to  claim 16 , wherein the drive location is located below the tilting axis. 
     
     
         18 . The lifting assembly according to  claim 16 , wherein the static part is tiltable through a ball joint. 
     
     
         19 . The lifting assembly according to  claim 16 , wherein the tilting force member comprises a drive unit. 
     
     
         20 . The lifting assembly according to  claim 16 , wherein the tilting force member comprises a resilient element.