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Working platform, monopile foundation, offshore working platform and installation method thereof

A single-pile foundation and installation method technology, which is applied in basic structure engineering, artificial island, water conservancy engineering and other directions, can solve problems such as lack of equipment, and achieve the effects of simple structure, saving construction time and reducing offshore construction costs.

Active Publication Date: 2017-05-10
JIANGSU GOLDWIND SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is a lack of domestic offshore construction equipment, and the daily construction cost of offshore ships under harsh conditions is about 300,000-500,000. How to quickly install a fixed offshore booster station has become the main problem that needs to be solved in the technical field of domestic offshore wind farms.

Method used

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  • Working platform, monopile foundation, offshore working platform and installation method thereof
  • Working platform, monopile foundation, offshore working platform and installation method thereof
  • Working platform, monopile foundation, offshore working platform and installation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 As shown, this embodiment relates to a workbench, including: a support platform 1 , a transition section 2 and a guide part 3 . The transition section 2 is columnar, and its two ends are fixedly connected to the support platform 1 and the guide part 3 respectively.

[0035] Wherein, the transition section 2 can be fixedly connected with the support platform 1 and the guide part 3 by welding, but it is not limited thereto, and other conventional connection methods such as flange connection can also be used.

[0036] The shape of the table top of the support platform 1 can be circular, square or other shapes, and is used to place the working equipment of the offshore booster station. Preferably, a protective fence can be set on the support platform 1, so that the staff can be prevented from falling into it in actual work. In the sea, the safety of personnel is guaranteed.

[0037] The transition section 2 may be cylindrical (such as a cylinder that is c...

Embodiment 2

[0045] Such as image 3 As shown, a single-pile foundation, the upper part of the single-pile foundation is provided with a housing portion 10 with an upward opening, and a positioning portion 11 is provided in the housing portion 10, such as Figure 4 As shown, the positioning part 11 has a conical or frustum-shaped inner concave part 12 that matches the guide part 3 of the workbench described in Embodiment 1. The inner surface of the inner concave part 12 is provided with a The number of directional wings 7 is equal and the directional slots 13 are matched one by one with the directional wings 7 of the workbench.

[0046] Wherein, the monopile foundation may be cylindrical (such as a cylinder that is convenient for processing), but it is not limited thereto, and may also be prismatic or other columnar. The shape of the containing portion 11 may be a cylinder, or other shapes such as a prism. In this way, the manufacture of the single pile body can be made very simple, and ...

Embodiment 3

[0050] Such as Figure 5 As shown, an offshore working platform includes the workbench 16 described in the first embodiment and the monopile foundation 15 described in the second embodiment. The transition section 2 and the tapered guide part 3 of the workbench 16 are inserted into In the part 10, the orientation wing 7 is inserted into the orientation groove 13 correspondingly. Wherein, the supporting platform 1 of the working platform 16 may also be a nacelle of a wind power generating set fixedly connected with the transition section 2 .

[0051] Wherein, the monopile foundation 15 is arranged vertically, and one end is fixed in the seabed, and the other end is in a natural state, and the port of the accommodation part 10 is located at one end of the monopile foundation 15 in a natural state. The transition section 2 and the tapered guide part 3 of the workbench 16 are inserted into the housing part 10 through the port of the housing part 10. Since the guide part 3 is tape...

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Abstract

The invention provides a working platform, a single pile foundation, an offshore working platform and an installing method of the offshore working platform. The working platform comprises a supporting platform, a columnar transition section fixedly arranged at the bottom part of the supporting platform and a conical guiding part arranged by stretching downwards from the lower end of the transition section; the guiding part is in a conical shape or a cone frustum shape, and at least one orientation wing is arranged on the outer surface of the guiding part and stretches downwards along the outer surface of the guiding part. The upper part of the single pile foundation is provided with a containing part which is provided with an upward end opening, a locating part is arranged in the containing part, the locating part is provided with an inward concave part which is in a conical shape or a cone frustum shape and is matched with the guiding part of the working platform, and orientation grooves which are matched with the orientation wings one by one are formed in the inner surface of the inward concave part. The working platform, the single pile foundation, the offshore working platform and the installing method of the offshore working platform, provided by the invention, have the advantages that the design is reasonable, the structure is simple, the construction is convenient, the construction time can be reduced, offshore construction can be carried out without special offshore construction equipment, and the offshore construction cost is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of offshore wind farms, in particular to a workbench, a single pile foundation, an offshore work platform and an installation method thereof. Background technique [0002] The National Energy Administration stipulates that offshore wind farms should in principle be deployed in sea areas with a distance of no less than 10 kilometers from the shore, a tidal flat width of more than 10 kilometers, and a water depth of no less than 10 meters. With the increase of offshore wind farm site selection distance, long-distance power transmission loss is correspondingly increased. In order to reduce the loss of long-distance power transmission of offshore wind turbines, some offshore wind farms will build offshore booster stations to reduce power transmission loss. . [0003] At present, there is a lack of offshore construction equipment in China, and the daily construction cost of offshore ships under harsh conditions ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B17/00E02D27/12
CPCE02B17/00E02B2017/0065E02D27/12
Inventor 张康张竹李荣富
Owner JIANGSU GOLDWIND SCI & TECH CO LTD
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