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Floating platform stabilizer

A floating platform and anti-rolling device technology, applied in floating buildings, transportation and packaging, and equipment to reduce ship motion, etc., can solve problems such as unreliable mooring systems, reduce shaking and drift, reduce tension, The effect of improving survivability

Inactive Publication Date: 2013-08-14
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0012] Analyzing the above mooring system types, it can be seen that under the current extreme sea conditions, the mooring system still has unreliable factors

Method used

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Embodiment Construction

[0023] In order to solve the safety problem of the mooring system of the current floating platform, the lower deck of the floating platform is divided into four areas with the moon pool as the center, and a solid steel ball is hung on each area, which is called anti-sway. Its radius should be smaller than the distance from the suspension point to the moon pool, so as to prevent damage to the moon pool during the swing process and affect the normal operation of the floating platform.

[0024] When the floating platform is swayed by an external force, the anti-sway connected to the main body of the platform can dissipate the energy of the main body of the platform through swaying.

[0025] The floating platform anti-rolling device has a novel structure, and uses the principle of swinging and vibration to dissipate energy to reduce the sloshing and drifting of the platform. The anti-swing is arranged on the bottom deck, with the moon pool as the center and arranged symmetrically....

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Abstract

The invention relates to a floating platform stabilizer which can stabilize an ocean floating platform by relevant mechanisms under high sea conditions and accordingly reduce pull force of a platform for mooring cables. The floating platform stabilizer comprises a winch, a chain stopper and a solid steel ball. The winch is connected with the solid steel ball through a steel cable and controls chain length of the solid steel ball. The chain stopper is arranged between the solid steel ball and the winch and fixes chain length of the solid steel ball. The solid steel ball is connected with a lowermost deck of a floating platform in a suspended manner. When the floating platform encounters extremely severe sea conditions, oscillation and shift of the platform body can be reduced by the floating platform stabilizer, pull force of the mooring cable can be reduced, feasibility of the floating platform under the severe sea conditions is improved, and platform safety is guaranteed.

Description

technical field [0001] The invention relates to a floating platform anti-rolling device which reduces the pulling force of the platform main body on the mooring cables by reducing the sway of the ocean floating platform through related mechanisms under high sea conditions. Background technique [0002] With today's global energy shortage, the development of marine energy has attracted more and more attention. As the main structure for drilling, producing and storing oil and gas, the floating offshore platform has attracted the attention of people in the industry in all aspects. The floating platform is affected by three main factors of wind, wave and current in the marine environment. Under harsh sea conditions, how to ensure the normal production or self-storage of the platform is a major problem during its service. Floating structures floating on the ocean are mainly positioned by mooring. While introducing the classification of mooring systems, the advantages and disadva...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B39/00B63B35/44
Inventor 邹佳星邹广平任慧龙李陈峰
Owner HARBIN ENG UNIV
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