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Automatic lifting platform with split base and its using method

A technology of self-elevating platform and bottoming, which is applied in water conservancy projects, artificial islands, underwater structures, etc., can solve the problems of rising cost of self-elevating platforms, reduce pile fixation load, exert material efficiency, and improve platform safety effect

Active Publication Date: 2006-11-29
SINOPEC SSC +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to develop a self-elevating platform suitable for operation in deep sea areas and its use method, and solve the problem that the cost of the existing self-elevating platform increases sharply with the increase of water depth

Method used

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  • Automatic lifting platform with split base and its using method
  • Automatic lifting platform with split base and its using method
  • Automatic lifting platform with split base and its using method

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Embodiment Construction

[0020] Now combined with the manual figure 1 , 2 , 3, the present invention is further described:

[0021] The split sitting bottom jack-up platform is mainly composed of jack-up main platform, bottom supporting structure, docking guide device and ballast system. The self-elevating main platform includes platform upper box body 1, lifting pile legs 2, solid piles and lifting machinery, drilling and repairing operation facilities, and the bottom support structure includes platform lower box body 3, fixed pile legs 4 and other connecting and fixing rods, docking The guiding device includes winch 5 , associated guide rope 6 , guide wheel 7 , and guide sleeve 8 , and the ballast system includes air compressor unit 9 , associated ballast control air circuit 10 , and sea port 11 . Considering various performances of the platform such as towage, docking, positioning, and dismantling, the platform is divided into two parts with floating performance, which can be docked up and down o...

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Abstract

The invention relates to a new platform----fission base auto-lifting platform and the using method that includes lifting main platform, base supporting structure, joint inducing device and ballasting system. It has two fissions having floating ability. The main platform has the same structure as normal platform. Guide deflection sheave and guide sleeve are installed in the fluctuation leg; the base supporting structure has fixation spud leg and soldering together to form an integer. The joint inducing device induces the accurate contraposition of fluctuation leg and the fixation leg. And ballasting system controls the vicissitude of the base supporting structure. The invention could also be used to reconstruct the existing auto lifting platform.

Description

Technical field: [0001] The invention develops a self-elevating platform suitable for operation in deep sea areas. technical background: [0002] Jack-up platforms are widely used and very expensive devices in offshore drilling. Common jack-up platforms are composed of floating bodies, pile legs, lifting machinery, etc., and the entire platform is designed as a whole. Limited by the platform towing stability, the center of gravity of the platform should not be too high, that is, the lifting legs should not be too long. In this way, in order to adapt to the operation in the deep sea area, the use of longer pile legs can only increase the main scale of the floating body of the platform to ensure the stability of the towing, and correspondingly increase the lifting capacity. And because each pile leg is independent respectively, can not carry out rigid connection, the rigidity and strength requirement of each pile leg is all very high, and the pile leg weight and the deck oper...

Claims

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Application Information

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IPC IPC(8): E02B17/02
Inventor 徐松森张士华田海庆樊敦秋初新杰刘忠彦孙永泰
Owner SINOPEC SSC
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