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Safe floating mechanism for offshore platform and lifting system of offshore platform

A technology of offshore platforms and floating mechanisms, which is applied in the field of ocean engineering and can solve problems such as deformation of legs, uneven force on legs, and potential safety hazards

Active Publication Date: 2017-06-13
KEEN OFFSHORE ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing locking mechanisms are all fixed installations, that is, collision or extrusion occurs between the locking mechanism and the pile legs under the impact of sea waves, etc., so that the pile legs are stressed unevenly, so that the pile legs are deformed, and there is a huge problem. security risks

Method used

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  • Safe floating mechanism for offshore platform and lifting system of offshore platform
  • Safe floating mechanism for offshore platform and lifting system of offshore platform
  • Safe floating mechanism for offshore platform and lifting system of offshore platform

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Embodiment Construction

[0032] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0033] The safe floating mechanism that is used for offshore platform of the present embodiment, as figure 1 , figure 2 As shown, it includes a locking pin assembly 1 and a floating base 2, and the locking pin assembly 1 is installed in the middle of the floating base 2;

[0034] The locking pin assembly 1 includes a locking pin 11 and a driving hydraulic cylinder 12, one end of the locking pin 11 is connected to the piston rod of the driving hydraulic cylinder 12, and the driving hydraulic cylinder 12 drives the locking The pin shaft 11 performs telescopic movement;

[0035] Also includes a plurality of buffer devices 3, the buffer device 3 is installed on the upper and lower ends of the floating base 2; the buffer device 3 includes a buffer rubber pad 31 and a plurality of reinforced steel plat...

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Abstract

The invention discloses a safe floating mechanism for an offshore platform and a lifting system of the offshore platform. The safe floating mechanism comprises a locking pin assembly and a floating base. The locking pin assembly is mounted in the middle of the floating base. The safe floating mechanism further comprises a plurality of buffer devices and a plurality of guide plates. The buffer devices are mounted at the upper end and the lower end of the floating base, and the guide plates are bolted to the left side and the right side of the floating base. The safe floating mechanism for the offshore platform is suitable for the hydraulic pin type lifting system of the offshore operation platform and is used for locking a pile leg and achieving a radial restraining and fastening effect on the pile leg to ensure uniform distribution of a load. Compared with a pin mechanism fixedly mounted in a pile fixing frame (7), by adoption of the safe floating mechanism for the offshore platform, collision deformation between a locking pin shaft and the pile leg is avoided, the safe reliability is improved, and the service life is prolonged.

Description

technical field [0001] The invention relates to the technical field of marine engineering, in particular to a safety floating mechanism for an offshore platform and a lifting system thereof. Background technique [0002] All offshore work platforms need to use a lifting system to drive the legs of the platform to move up and down to realize the lifting of the offshore work platform. When the offshore operation platform reaches the working position, lower the pile legs, lift the offshore operation platform to the specified height on the sea surface and then ballast, so that the pile legs are firmly positioned on the seabed; when the operation is completed and return to the voyage, lower the offshore operation platform to the sea level , pull out the legs, and keep the legs up during the return voyage. Due to the complex and changeable offshore environment, the offshore operation platform is subject to wind current, ocean current impact and ups and downs at any time. Therefor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B17/08
CPCE02B17/0809E02B2017/0052
Inventor 吴平平李光远陆军张静波马振军
Owner KEEN OFFSHORE ENG CO LTD
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