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Method of assembling a jacket structure

A technology of set frame and assembly state, applied in the direction of tower, building type, building, etc., can solve the problems of high cost, huge automatic welding station, time-consuming, etc., and achieve the effect of improving safety and lowering the total cost

Inactive Publication Date: 2012-10-17
SIEMENS GAMESA RENEWABLE ENERGY AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A significant disadvantage of known methods is the associated costs
For example, the cost of completing a soldered connection is relatively high since automated soldering stations are large and expensive
Furthermore, the soldering process is time consuming
Therefore, this assembly process is cost-prohibitive for an offshore wind park comprising many turbines

Method used

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  • Method of assembling a jacket structure
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Embodiment Construction

[0047] Throughout the drawings, the same reference numerals denote the same objects. Objects in the drawings are not necessarily drawn to scale.

[0048] figure 1 A simplified drawing of a sheath structure 1 for use at an offshore location is shown. The sheath structure 1 comprises a plurality of struts 10 interconnected by a plurality of bars 11 and is held in place (in this example) by piles 2 projecting into the sea bed 3 . The sheath structure 1 is used to support a wind turbine 4 at an offshore location. The wind turbine 4 itself can be quite large, for example about 80m high with a rotor diameter in the range of 100-140m, especially when accommodating high power generators in the megawatt range. In order to provide the required structural stability, the sheath structure 1 may be made of steel / iron struts and bars firmly fastened to each other at nodes along the struts. Thus, the huge "empty" structure presents a relatively small surface area against which forces act,...

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Abstract

The invention describes a method of assembling a jacket structure (1), which jacket structure (1) comprises a plurality of legs (10, 100), a plurality of connecting braces (11) and a plurality of node elements (20A, 20B, 20C, 20D, 20E) arranged on the legs (10, 100) for connecting the braces (11) to the legs (10, 100), which method comprises the steps of forming a node-to-leg connection between each node element (20A, 20B, 20C, 20D, 20E) and a leg (10, 100); and forming a brace-to-node connection between each brace (11) and a node element (20A, 20B, 20C, 20D, 20E); wherein a node-to-leg connection and / or a brace-to-node connection comprises an adhesive joint (230). The invention further describes a jacket structure (1), in particular a jacket structure for supporting an offshore wind turbine (4). The invention also describes a jacket assembly guide (5) for assembling such a jacket structure (1).

Description

technical field [0001] The present invention describes a method of assembling a jacket structure, a jacket structure, and a jacket assembly guiding device. Background technique [0002] The wind turbines of an offshore (or offshore) wind park must be mounted securely against the forces exerted on them by water and wind. In shallow sea locations, wind turbine towers may be mounted on concrete plinths or foundations that extend into the seabed. However, for other offshore locations, this installation technique is not suitable for various reasons. Typically, wind turbine towers at such offshore sites are supported using a "jacket structure" made of three or four upstanding steel struts. The upright pillars are connected to each other in a scaffolding manner by a grid of rods. The relatively small surface area of ​​the sheath structure means that it is able to resist the forces exerted on it by the water in which it is submerged. The shelving structure is usually relatively ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H12/00
CPCE02B2017/0091E04H12/34E04H12/10E02B17/0004E02B17/00Y02E10/728E04H2012/006Y02E10/727Y10T29/49826
Inventor T.厄斯特加尔德H.施蒂斯达尔
Owner SIEMENS GAMESA RENEWABLE ENERGY AS