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Self-elevating platform pile leg mounting method

A self-elevating platform and installation method technology, applied to sheet pile walls, water conservancy projects, artificial islands, etc., can solve problems such as low work efficiency, long closing time of platform pile legs, and influence of sea conditions, so as to improve production efficiency and shorten Production cycle, the effect of avoiding damage

Inactive Publication Date: 2015-07-29
YANTAI RAFFLES SHIPYARD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Based on the insufficiency of the above-mentioned background technology, the present invention provides a method for installing the legs of a jack-up platform to solve the problems of long closing time, low work efficiency, and serious influence of sea conditions on the existing platform legs.

Method used

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  • Self-elevating platform pile leg mounting method
  • Self-elevating platform pile leg mounting method
  • Self-elevating platform pile leg mounting method

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Embodiment Construction

[0039] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention is capable of various changes in different embodiments without departing from the scope of the present invention, and that the description and illustrations therein are illustrative in nature and not limiting. this invention.

[0040] The invention provides a method for installing the legs of a self-elevating platform, wherein, such as figure 2 As shown, the jack-up platform 1 includes a main hull 11 and legs 12 that can be raised and lowered relative to the main hull 11. As with the current common jack-up platform structure, the jack-up platform 1 has three legs 12 , the legs 12 are arranged in an equilateral triangle on the main hull 11 . Method of the present invention promptly solves the installation problem of pile leg 12, refer to figure 1 , the method mainly includes s...

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Abstract

The invention provides a self-elevating platform pile leg mounting method which includes the steps: positioning and floating a main hull with built base pile leg sections in a dry dock; keeping the base pile leg sections vertically static relative to the main hull, gradually lifting the pile leg sections to be mounted to a folding port by a sea crane, and positioning and welding the pile leg sections until the pile leg sections on the main hull reach a preset height. The sea crane is positioned at a designated position in an open sea area of the dry dock. Lifting of the pile leg and standing are omitted, and construction period is shortened. As both the main hull and the sea crane float, relative positions of the main hull and the sea crane float can be adjusted, and the pile leg is conveniently folded.

Description

technical field [0001] The invention relates to the construction field of self-elevating platforms, in particular to a method for installing legs of self-elevating platforms. Background technique [0002] According to the current development trend of jack-up platforms worldwide, the construction height of jack-up platform legs will be higher and higher. In the next few years, jack-up platforms with operating water depths of 400 feet and 500 feet will become jack-up platforms. mainstream products. Jack-up platforms generally include a main hull and three truss-type legs that can be raised and lowered relative to the main hull. When the platform is operating, the legs extend down to the seabed and stand on the seabed to support the main hull, so that the main hull and the sea surface have a certain distance. distance. [0003] When the jack-up platform is built, the legs need to be installed on the main hull. As the working water depth of the jack-up platform increases, the ...

Claims

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Application Information

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IPC IPC(8): E02B17/00E02D5/24B63B35/44
Inventor 赵晖季春晓于庆松李天侠未俊丰尹岩太史大虎于效磊张晓明于正卿耿卫东
Owner YANTAI RAFFLES SHIPYARD
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