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Temporary fixing device and construction method thereof

A technology of temporary fixation and construction method, applied in transportation and packaging, ship parts, ships, etc., can solve the problem of welding the main hull as a whole, and achieve the effects of high structural safety and reliability, low cost, and simple offshore construction.

Inactive Publication Date: 2015-11-25
SHANGHAI OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to reduce the wave load, the draft of these auxiliary structures is relatively deep, and subject to the limitation of the draft of the shipyard wharf (generally no more than 14 meters), these auxiliary structures cannot be welded together with the main hull when they leave the factory, and they need to be installed at sea

Method used

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  • Temporary fixing device and construction method thereof
  • Temporary fixing device and construction method thereof
  • Temporary fixing device and construction method thereof

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Embodiment

[0022] figure 1 is the front view of the temporary fixing device in the embodiment of the present invention.

[0023] figure 2 It is a top view of the A-A section of the present invention in an embodiment.

[0024] image 3 It is a schematic diagram of the arrangement of the base structure of the present invention on the roof deck of the lower pontoon in the embodiment.

[0025] like figure 1 , figure 2 and image 3 As shown, the temporary fixing device has: a base structure 1 , a latch structure 2 , a lower internally threaded member 3 , an upper internally threaded member 4 and a stud 5 .

[0026] The temporary fixing device is used between the upper buoyancy tank 7 and the lower buoyancy tank 6 in the wet towing transportation of the new semi-submersible oil production platform.

[0027] Several base structures 1 have openings 1-1 in the center respectively. The base structure 1 is arranged at the outer edge of the top deck of the lower pontoon tank 6, and is loca...

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Abstract

The invention provides a temporary fixing device and a construction method thereof. The device is used for being arranged between an upper buoyancy tank and a lower buoyancy tank in wet towing transportation of a novel semi-submersible type oil production platform. The device is characterized by comprising a plurality of base structures arranged above a deckhead of the lower buoyancy tank, plug pin structures which are in one-to-one correspondence to the base structures and arranged below an underdeck of the upper buoyancy tank and above the base structures, lower internal thread components fixed to the side faces of the base structures, upper internal thread components fixed to the side face of the upper buoyancy tank and located over the lower internal thread components, and studs with two ends fixedly connected with the lower internal thread components and the upper internal thread components respectively, wherein an opening is formed in the middle of each base structure, and each plug pin structure is inserted into the corresponding opening.

Description

technical field [0001] The invention relates to a fixing device and a construction method, in particular to a temporary fixing device and a construction method applied between double pontoons in the wet towing transportation of a new semi-submersible oil production platform. Background technique [0002] After the semi-submersible oil production platform is built in the shipyard, it needs to be transported to the operating sea area. Generally, there are two methods: for short-distance transportation, it can be directly towed by a tugboat to the operating sea area, that is, wet towing; for medium and long-distance transportation, first It is transported by transport ship to a shelter with shallow water depth near the operating sea area (that is, dry towing), and then wet towed by a tugboat to the operating sea area. It can be seen that no matter which method is used, wet mopping is an essential process. For a conventional semi-submersible platform, its hull structure include...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B35/44B63B9/00
Inventor 姜哲崔维成王芳宋婷婷
Owner SHANGHAI OCEAN UNIV
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