CN109989420B - Combined ring beam fixing device for offshore wind turbine foundation - Google Patents
Combined ring beam fixing device for offshore wind turbine foundation Download PDFInfo
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- CN109989420B CN109989420B CN201910375409.4A CN201910375409A CN109989420B CN 109989420 B CN109989420 B CN 109989420B CN 201910375409 A CN201910375409 A CN 201910375409A CN 109989420 B CN109989420 B CN 109989420B
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- steel plate
- bending steel
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- ring beam
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 91
- 239000010959 steel Substances 0.000 claims abstract description 91
- 238000005452 bending Methods 0.000 claims abstract description 63
- 238000003466 welding Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
- E02D27/525—Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Foundations (AREA)
Abstract
The invention relates to a combined ring beam fixing device for an offshore wind turbine foundation. The invention aims to provide a combined ring beam fixing device for an offshore wind turbine foundation, which has the advantages of simple structure, convenience in manufacturing and no welding at sea. The technical scheme of the invention is as follows: the device is arranged between the ring beam and the steel pipe pile, is used for fixing the ring beam on the steel pipe pile, and is provided with a support connecting piece arranged between the ring beam and the steel pipe pile, and a ring beam supporting plate used for supporting the ring beam is fixed on the outer side surface of the support connecting piece; the support connecting piece is provided with a long bending steel plate which is bent into A, B, C three sections according to the outer diameter radian of the steel pipe pile, A, B, C sections corresponding to the long bending steel plate are respectively provided with a connecting plate, one end of each connecting plate is connected with the long bending steel plate through the elastic connecting piece, and a spacing adjusting mechanism capable of adjusting the spacing between the connecting plate and the long bending steel plate is arranged between the end, away from the elastic connecting piece, of each connecting plate and the long bending steel plate. The invention is suitable for the technical field of offshore wind power.
Description
Technical Field
The invention relates to a combined ring beam fixing device for an offshore wind turbine foundation. The method is suitable for the technical field of offshore wind power.
Background
The single pile foundation is one of the most widely adopted foundation types in the field of offshore wind power engineering, and has the advantages of simple structure, rapid construction and high cost performance.
In order to avoid engineering safety risks caused by connection failure of high-strength grouting materials, the foundation structure in the foundation structure of the single-pile offshore wind turbine without transition section in China patent No. 201210114192.X cancels the transition section, has the advantages of simple structure, quick construction, high cost performance and the like, and eliminates the risk of connection failure between the high-strength grouting materials and steel pipe piles; however, the utility model has the defects that the auxiliary components such as the berthing system, the cable tube, the sacrificial anode and the like are welded on the main structure, the installation difficulty is high, and the piling damage is easy to generate.
Patent number: the integrated auxiliary structure for the single pile foundation of the offshore wind turbine is disclosed in China patent ZL 201520060051.3, and auxiliary components such as a berthing system, a cable tube, a sacrificial anode and the like are formed into the integrated auxiliary structure through ring beams and upright columns. The offshore construction of the structure is quick, and has the defects that the integrated auxiliary structure and the main structure steel pipe pile are required to be welded, the connection is difficult, the offshore welding has poor anti-corrosion effect, and the anti-ship collision capability is weak.
Disclosure of Invention
The invention aims to solve the technical problems that: aiming at the problems, the combined ring beam fixing device for the offshore wind turbine foundation is simple in structure, convenient to manufacture and free of welding at sea.
The technical scheme adopted by the invention is as follows: the utility model provides an offshore wind turbine foundation combination formula collar tie beam fixing device, sets up between collar tie beam and steel-pipe pile for be fixed in the steel-pipe pile with the collar tie beam on, its characterized in that: the support connecting piece is arranged between the ring beam and the steel pipe pile, and a ring beam supporting plate for supporting the ring beam is fixed on the outer side surface of the support connecting piece;
the support connecting piece is provided with a long bending steel plate which is bent into A, B, C three sections according to the outer diameter radian of the steel pipe pile, a connecting plate is arranged on each A, B, C section corresponding to the long bending steel plate, one end of the connecting plate is connected with the long bending steel plate through an elastic connecting piece, and a distance adjusting mechanism capable of adjusting the distance between the connecting plate and the long bending steel plate is arranged between the end, away from the elastic connecting piece, of the connecting plate and the long bending steel plate.
The connecting plates corresponding to the sections A and C of the long bending steel plate are positioned between the long bending steel plate and the steel pipe pile; the connecting plate corresponding to the section B of the long bending steel plate is positioned between the long bending steel plate and the ring beam.
The interval adjusting mechanism is provided with a mounting nut and an adjusting bolt, the mounting nut is fixed on the plate which is positioned on the outer side relatively in the long bending steel plate and the connecting plate, the adjusting bolt is in threaded connection with the mounting nut, and one end of the adjusting bolt is propped against the plate which is positioned on the inner side relatively in the long bending steel plate and the connecting plate.
And the adjusting bolt is sleeved with an adjusting nut.
The elastic connecting piece is provided with a thin-wall small pipe, an opening seam which is arranged along the axial direction of the thin-wall small pipe in a through length mode is formed in the thin-wall small pipe, and the long bending steel plate and the connecting plate are respectively welded and fixed on the thin-wall small pipe and on two sides of the opening seam.
And rubber gaskets are arranged at the contact positions between the long bending steel plates and the connecting plates and between the ring beams and the steel pipe piles.
The beneficial effects of the invention are as follows: according to the invention, the distance between the connecting plate and the long bending steel plate is adjusted through the distance adjusting mechanism, so that the connecting plate and the long bending steel plate are in close contact with the steel pipe pile and the ring beam, and the ring beam is arranged on the steel pipe pile without offshore welding.
The connecting plates corresponding to the sections A and C of the long bending steel plate are positioned between the long bending steel plate and the steel pipe pile; the connecting plate corresponding to the section B of the long bending steel plate is positioned between the long bending steel plate and the ring beam, so that the elastic force of the long bending steel plate can be utilized to ensure that the fixing device is in close contact with the steel pipe pile and the ring beam.
According to the invention, rubber gaskets are arranged between the fixing device and the steel pipe piles and between the fixing device and the ring beams, so that a buffering protection effect is achieved on ship collision leaning components, and the structure is replaceable, so that subsequent operation and maintenance are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a sectional view of B-B of fig. 1.
Fig. 4 is a perspective view of a long bent steel sheet in the embodiment.
Detailed Description
As shown in fig. 1 to 3, the present embodiment is a combined ring beam fixing device for an offshore wind turbine foundation, which is disposed between a ring beam 2 and a steel pipe pile 1, and is used for fixing the ring beam 2 to the steel pipe pile 1. The ring beam 2 fixing device in this example is provided with a support connecting piece arranged between the ring beam 2 and the steel pipe pile 1, and a ring beam supporting plate 8 for supporting the ring beam 2 is fixed on the outer side surface of the support connecting piece.
The support connecting piece comprises a long bending steel plate 3 and three connecting plates 4, wherein the long bending steel plate 3 is sequentially bent into A, B, C three sections along the length direction according to the outer diameter radian of the steel pipe pile 1 (see fig. 4), and each of the A, B, C three sections corresponding to the long bending steel plate is respectively provided with one connecting plate 4. In this embodiment, the upper end edge of the connecting plate 4 is connected with the upper end edge of the long bending steel plate 3 through an elastic connecting piece, a spacing adjusting mechanism is arranged between the lower end of the connecting plate 4 and the lower end of the long bending steel plate 3, and the spacing between the connecting plate 4 and the long bending steel plate 3 can be adjusted through the spacing adjusting mechanism.
In this embodiment, the elastic connector has a thin-walled small tube 9, on which an open seam is formed along the axial direction thereof, and the long bending steel plate 3 and the connecting plate 4 are welded and fixed on the thin-walled small tube 9 and on two sides of the open seam respectively.
The middle distance adjusting mechanism is provided with an installing nut 5 and an adjusting bolt 7, wherein the installing nut 5 is welded and fixed on the long bending steel plate 3 in the distance adjusting mechanism corresponding to the long bending steel plate A section 301 and the long bending steel plate C section 303, the adjusting bolt 7 is connected to the installing nut 5 in a threaded manner, and the inner end of the adjusting bolt is positioned on the connecting plate 4 positioned on the inner side, so that the distance between the connecting plate 4 and the long bending steel plate 3 can be changed by adjusting the adjusting bolt; in the interval adjusting mechanism of the corresponding long bending steel plate B section 302, the mounting nut 5 is welded and fixed on the connecting plate 4, the adjusting bolt 7 is connected to the mounting nut 5 in a threaded manner, the inner end of the adjusting bolt is positioned on the long bending steel plate 3 positioned on the inner side, and therefore the interval between the connecting plate 4 and the long bending steel plate 3 can be changed through the adjusting bolt 7.
In the embodiment, an adjusting nut 6 is sleeved on the adjusting bolt 7 in a threaded manner, and the adjusting bolt 7 can be locked.
In this example, in order to provide a buffer protection effect for the ship collision against the ship components, rubber gaskets 10 are provided on the long bending steel plates 3 and the connecting plates 4 and at the positions of the ring beams 2 and the steel pipe piles 1.
The working principle of this embodiment is as follows: by tightening the adjusting bolt 7, the distance between the connecting plate 4 and the long bending steel plate 3 is enlarged, and the ring beam fixing device is tightly contacted with the steel pipe pile 1 and the ring beam 2, so that the ring beam 2 is fixed on the steel pipe pile 1 by utilizing the contact friction force.
Due to the different connection forms of the long bending steel plates A, B, C sections 301, 302, 303 and the connecting plate 4 and the elastic force of the long bending steel plates 3, when a certain adjusting bolt 7 is not screwed or loosened, the close contact can be realized under the elastic force of the long bending steel plates 3.
Claims (4)
1. The utility model provides an offshore wind turbine foundation combination formula collar tie beam fixing device, sets up between collar tie beam (2) and steel-pipe pile (1) for be fixed in on steel-pipe pile (1) with collar tie beam (2), its characterized in that: the steel pipe pile is provided with a support connecting piece arranged between the ring beam (2) and the steel pipe pile (1), and a ring beam supporting plate (8) for supporting the ring beam (2) is fixed on the outer side surface of the support connecting piece;
the support connecting piece is provided with a long bending steel plate (3) which is sequentially bent into A, B, C three sections according to the outer diameter radian of the steel pipe pile (1), a connecting plate (4) is arranged at each of the A, B, C three sections corresponding to the long bending steel plate (3), one end of the connecting plate (4) is connected with the long bending steel plate (3) through an elastic connecting piece, and a distance adjusting mechanism capable of adjusting the distance between the connecting plate (4) and the long bending steel plate (3) is arranged between the other end of the connecting plate (4) far away from the elastic connecting piece and the long bending steel plate (3);
the interval adjusting mechanism is provided with an installing nut (5) and an adjusting bolt (7), wherein the installing nut (5) is welded and fixed on the long-bending steel plate (3) in the interval adjusting mechanism corresponding to the long-bending steel plate A section (301) and the long-bending steel plate C section (303), the adjusting bolt (7) is in threaded connection with the installing nut (5), the inner end of the adjusting bolt is propped against the connecting plate (4) positioned on the inner side, and therefore the interval between the connecting plate (4) and the long-bending steel plate (3) can be changed through adjusting the adjusting bolt (7); in the interval adjusting mechanism corresponding to the section B (302) of the long bending steel plate, an installing nut (5) is welded and fixed on the connecting plate (4), an adjusting bolt (7) is connected to the installing nut (5) in a threaded mode, the inner end of the adjusting bolt is propped against the long bending steel plate (3) positioned on the inner side, and therefore the interval between the connecting plate (4) and the long bending steel plate (3) can be changed through the adjusting bolt (7);
the elastic connecting piece is provided with a thin-wall small pipe (9), an opening seam which is arranged along the axial direction of the thin-wall small pipe in a through length mode is formed in the thin-wall small pipe, and the long bending steel plate (3) and the connecting plate (4) are respectively welded and fixed on two sides of the opening seam on the thin-wall small pipe (9).
2. The offshore wind turbine foundation assembly ring beam fixing device of claim 1, wherein: the connecting plates (4) corresponding to the long-bending steel plate A section (301) and the long-bending steel plate C section (303) are positioned between the long-bending steel plate (3) and the steel pipe pile (1); the connecting plate (4) corresponding to the long bending steel plate B section (302) is positioned between the long bending steel plate (3) and the ring beam (2).
3. The offshore wind turbine foundation assembly ring beam fixing device of claim 1, wherein: and an adjusting nut (6) is sleeved on the adjusting bolt (7).
4. The offshore wind turbine foundation assembly ring beam fixing device of claim 1, wherein: and rubber gaskets (10) are arranged at the contact positions between the long bending steel plates (3) and the connecting plates (4) and the ring beam (2) and the steel pipe piles (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910375409.4A CN109989420B (en) | 2019-05-07 | 2019-05-07 | Combined ring beam fixing device for offshore wind turbine foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910375409.4A CN109989420B (en) | 2019-05-07 | 2019-05-07 | Combined ring beam fixing device for offshore wind turbine foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109989420A CN109989420A (en) | 2019-07-09 |
| CN109989420B true CN109989420B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910375409.4A Active CN109989420B (en) | 2019-05-07 | 2019-05-07 | Combined ring beam fixing device for offshore wind turbine foundation |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201605675U (en) * | 2010-03-24 | 2010-10-13 | 安徽瑶海钢结构股份有限公司 | Connecting device for steel piece |
| KR101171201B1 (en) * | 2011-12-26 | 2012-08-07 | 목포대학교산학협력단 | Offshore wind turbine structure using steel pipe pile foundation and prefabricated structure, and constructing method for the same |
| CN108755596A (en) * | 2018-05-16 | 2018-11-06 | 中国电建集团华东勘测设计研究院有限公司 | A kind of sea high-rise pile cap series connection anti-collision energy absorption structure |
| CN210263115U (en) * | 2019-05-07 | 2020-04-07 | 中国电建集团华东勘测设计研究院有限公司 | Offshore wind turbine foundation combined ring beam fixing device |
-
2019
- 2019-05-07 CN CN201910375409.4A patent/CN109989420B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201605675U (en) * | 2010-03-24 | 2010-10-13 | 安徽瑶海钢结构股份有限公司 | Connecting device for steel piece |
| KR101171201B1 (en) * | 2011-12-26 | 2012-08-07 | 목포대학교산학협력단 | Offshore wind turbine structure using steel pipe pile foundation and prefabricated structure, and constructing method for the same |
| CN108755596A (en) * | 2018-05-16 | 2018-11-06 | 中国电建集团华东勘测设计研究院有限公司 | A kind of sea high-rise pile cap series connection anti-collision energy absorption structure |
| CN210263115U (en) * | 2019-05-07 | 2020-04-07 | 中国电建集团华东勘测设计研究院有限公司 | Offshore wind turbine foundation combined ring beam fixing device |
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| CN109989420A (en) | 2019-07-09 |
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