CN203475463U - Offshore wind turbine foundation with concrete caisson and steel pipe frame steel structure combined - Google Patents
Offshore wind turbine foundation with concrete caisson and steel pipe frame steel structure combined Download PDFInfo
- Publication number
- CN203475463U CN203475463U CN201320603536.3U CN201320603536U CN203475463U CN 203475463 U CN203475463 U CN 203475463U CN 201320603536 U CN201320603536 U CN 201320603536U CN 203475463 U CN203475463 U CN 203475463U
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- Prior art keywords
- concrete caisson
- wind turbine
- offshore wind
- main body
- connecting hole
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 18
- 210000003205 muscle Anatomy 0.000 claims description 11
- 239000003351 stiffener Substances 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000035807 sensation Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 2
- 239000004576 sand Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 230000005484 gravity Effects 0.000 description 5
- 230000037396 body weight Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/0017—Means for protecting offshore constructions
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
- E02B17/027—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto steel structures
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The utility model discloses an offshore wind turbine foundation with a concrete caisson and a steel pipe frame steel structure combined, wherein the offshore wind turbine foundation with the concrete caisson and the steel pipe frame steel structure combined is mainly applied to rock layer seabed foundations good in bearing capacity, a concrete caisson body in which a filling cavity with an opening facing upwards is arranged is adopted, mounting connecting holes fixedly connected with pile legs are formed in the concrete caisson body, after the concrete caisson body is placed on a preprocessed seabed, sand is filled into the filling cavity so that the weight of the concrete caisson body can be increased, an offshore wind turbine is effectively prevented from overturning, meanwhile, the concrete caisson body can be transported and hung conveniently, and the offshore wind turbine foundation with the concrete caisson and the steel pipe frame steel structure combined has the advantages of being convenient to construct and low in cost.
Description
[technical field]
The utility model relates to the offshore wind turbine foundation that a kind of concrete caisson and jacket steel work combine.
[background technology]
Along with the fast development of wind-powered electricity generation industry, land wind energy turbine set day hastens towards saturation, and because domestic marine site is vast, and offshore wind speed is abundant, seizes offshore wind farm market imperative.
The foundation structure that is applied at present offshore wind turbine mainly comprises, single pile steel pipe basis, gravity type foundation, many pile leaders frame basis.In these three kinds of foundation structures, except gravity type foundation, other two kinds of foundation structures, all need on sea bed, to drive piles in advance.But when sea bed condition does not allow to beat, or while being difficult to drive piles, can only select gravity type foundation, and when water darker, when blower fan load is larger, basic weight in view of gravity, the factors such as transport capacity of current boats and ships, gravity type foundation cannot meet the requirement of this form of construction work, and task difficulty is quite large, inconvenience construction, construction cost increases simultaneously.
The utility model proposes for this Study on Problems.
[utility model content]
The technical problems to be solved in the utility model is to provide the offshore wind turbine foundation that a kind of concrete caisson and jacket steel work combine, be mainly used in the good lithosphere sea bed of supporting capacity basis, in employing, be provided with the concrete caisson main body of opening up filled chamber, concrete caisson main body is provided with the installation connecting hole being fixedly connected with spud leg, after concrete caisson main body is placed on pretreated sea bed, in filled chamber, fill up sandstone again, to increase concrete caisson body weight, effectively prevent that offshore wind turbine from toppling, convenient transportation simultaneously and lifting concrete caisson main body, there is easy construction, the feature that cost is low.
For solving the problems of the technologies described above, the offshore wind turbine foundation that a kind of concrete caisson of the utility model and jacket steel work combine, comprise for being fixedly placed in the concrete caisson main body on sea bed, described concrete caisson main body is provided with several connecting hole is installed, secure fit on connecting hole is installed and is connected with spud leg, described spud leg upper end is connected with the tower cylinder linkage section for being connected with wind-driven generator tower.
Described concrete caisson main body is provided with opening up for filling the filled chamber of sandstone, described installation connecting hole is positioned at surrounding inside filled chamber, described filled chamber is cross, in described filled chamber, be provided with the stiffener muscle that filled chamber is divided into some regions, described concrete caisson bottom part body is provided with base plate, and described concrete caisson main body surrounding is provided with the deep floor being connected with base plate.
Described stiffener muscle in filled chamber laterally, longitudinally and diagonal angle combine and be a meter set up of character patt ern.
Between described spud leg and installation connecting hole, be provided with fit clearance, described fit clearance is filled with the concrete fixed bed for spud leg is fixedly connected with installation connecting hole.
Between described spud leg and tower cylinder linkage section, be provided with connecting platform, described tower cylinder linkage section upper end edge is the downward-sloping reinforcement support bar that is provided with circumferentially, the described reinforcement support bar other end is connected with connecting platform, described spud leg lower end is provided with vertical section for coordinating with installation connecting hole, between described adjacent two pile legs, be provided with mutual cross-coupled diagonal brace, each spud leg forms the pyramidal structure that is up-narrow and down-wide mutually.
Described concrete caisson main body is cylinder, or is cuboid, or is polygonal body.
According to the actual needs, several can be set in described concrete caisson main body connecting hole is installed, the quantity of spud leg with installation connecting hole to corresponding.Connecting hole is installed can be three, four or six, and corresponding described spud leg is three, four or the six roots of sensation.
The offshore wind turbine foundation that a kind of concrete caisson of the utility model and jacket steel work combine, be applicable to hard sea bed basis, as the installation of rock sea bed, in employing, be provided with the concrete caisson main body of opening up filled chamber, conveniently concrete caisson main body is transported and lifted, concrete caisson main body is provided with the installation connecting hole being fixedly connected with spud leg, after concrete caisson main body is placed on pretreated sea bed, in filled chamber, fill up sandstone again, to increase concrete caisson body weight, effectively prevent that offshore wind turbine from toppling, afterwards the jacket steel work spud leg that completes assembly and connection is inserted on the installation connecting hole of concrete caisson, and to being installed, fit clearance between connecting hole and spud leg pours into high-intensity concrete fixed bed, make it to be connected and fixed, finally lift wind-driven generator tower, wind-driven generator tower is fixedly connected with tower cylinder linkage section, overcome hard sea bed basis and be difficult to construction and the high problem of construction cost, there is easy construction, the feature that cost is low.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is overall schematic of the present utility model.
Fig. 2 the utility model explosive view.
The structural representation of concrete caisson in Fig. 3 the utility model.
The sectional view that in Fig. 4 the utility model, spud leg and installation connecting hole are connected.
[specific embodiment]
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
The offshore wind turbine foundation that a kind of concrete caisson of the utility model and jacket steel work combine, comprise concrete caisson main body 1, described concrete caisson main body 1 is provided with several connecting hole 2 is installed, secure fit on connecting hole 2 is installed and is connected with spud leg 3, described spud leg 3 lower ends are provided with vertical section 15 for coordinating with installation connecting hole 2, described spud leg 3 upper ends are provided with connecting platform 4, described connecting platform 4 is provided with the tower cylinder linkage section 5 for being connected with wind-driven generator tower, support bar 6 is strengthened in described tower cylinder linkage section 5 upper ends circumferentially downward-sloping being provided with, described reinforcement support bar 6 other ends are connected with connecting platform 4, guarantee tower cylinder linkage section 5 connection reliability.
For convenient transportation and lifting, concrete caisson main body 1 is provided with opening up for filling the filled chamber 9 of sandstone, after concrete caisson main body 1 is placed on sea bed, to fill sandstone to filled chamber 9 again, increase the weight of concrete caisson main body 1, effectively prevent that offshore wind turbine from toppling, described installation connecting hole 2 is positioned at filled chamber 9 inner side surroundings, described filled chamber 9 is cross, in described filled chamber 9, be provided with the stiffener muscle 10 that filled chamber 9 is divided into some regions, stiffener muscle 10 is horizontal in the interior employing of filled chamber 9, longitudinally and overturning angle is combined and is a meter set up of character patt ern, in concrete caisson main body 1 bottom, be provided with base plate 13, concrete caisson main body 1 surrounding is provided with the deep floor 14 being connected with base plate 13.Stiffener muscle 10, base plate 13 and deep floor 14 are formed in one with concrete caisson main body 1.
Between spud leg 3 and installation connecting hole 2, be provided with fit clearance 11, described fit clearance 11 is filled with the concrete fixed bed 12 for spud leg 3 is fixedly connected with installation connecting hole 2.
Between described adjacent two pile legs 3, by the mutual interconnection of diagonal brace 7, every pile leg 3 mutually forms and is up-narrow and down-wide pyramidal structure, utilizes pyramidal structure, and the imposed load that assurance spud leg 3 bears wind-driven generator tower has reliability,
According to actual needs, can be provided with several connecting hole 2 is installed in concrete caisson main body 1, the quantity that connecting hole 2 is installed is corresponding with spud leg 3 quantity.Can adopt three or four or six that connecting holes 2 are installed and be uniformly distributed setting, spud leg 3 is three or four or the six roots of sensation.
Concrete caisson main body 1 can be according to actual needs, adopts cylinder, cuboid or be polygonal body structure.
In the present embodiment, concrete caisson main body 1 adopts cube structure, during construction, concrete caisson main body 1, stiffener muscle 10, base plate 13 and deep floor 14 be formed by integrally casting sizing on land in advance, four interior angles that connecting hole 2 is separately positioned on square are installed, each installs the diameter of slightly larger in diameter vertical section 15 in spud leg 3 lower ends of connecting hole 2, according to grouting requirement for bearing capacity, when connecting hole 2 being installed and vertically section 15 is connected, leave fit clearance 11 between the two, concrete perfusion fixed bed 12 in this fit clearance, making to install connecting hole 2 is fixedly connected with spud leg 3.The stiffener muscle 10 of filled chamber 9 inside is a meter font, adopt laterally, vertical and diagonal angle is obliquely installed the mode combining, strengthen the syndeton intensity of concrete caisson main body 1, the height of stiffener muscle 10 is lower than the top that connecting hole 2 is installed, vertical section 15 that while constructing, can prevent spud leg 3 at sea bumps with stiffener muscle 10, and damages the structure of concrete caisson main body 1.
When concrete caisson is connected with the installation of jacket basis, by barging or floating barge, concrete caisson main body 1 is positioned on the sea bed face of anticipating, to filled chamber 9, fill up sandstone simultaneously, by the jacket of spud leg 3 assembly and connections, complete on land connection, then integral hoisting, to being installed, connecting hole 2 inserts vertically section 15, again to the fit clearance 11 perfusion high-intensity concrete fixed bed 12 of connecting hole 2 with vertical section 15 is installed, make it to be fixedly connected with, finally again wind-driven generator tower is fixedly connected with tower cylinder linkage section 5.
Claims (9)
1. the offshore wind turbine foundation that a concrete caisson and jacket steel work combine, it is characterized in that comprising for being fixedly placed in the concrete caisson main body (1) on sea bed, described concrete caisson main body (1) is provided with several connecting hole (2) is installed, the upper secure fit of connecting hole (2) is installed and is connected with spud leg (3), described spud leg (3) upper end is connected with the tower cylinder linkage section (5) for being connected with wind-driven generator tower.
2. the offshore wind turbine foundation combining by a kind of concrete caisson described in claim 1 and jacket steel work, it is characterized in that described concrete caisson main body (1) is provided with opening up for filling the filled chamber (9) of sandstone, described installation connecting hole (2) is positioned at filled chamber (9) inner side surrounding, described filled chamber (9) is cross, in described filled chamber (9), be provided with the stiffener muscle (10) that filled chamber (9) is divided into some regions, described concrete caisson main body (1) bottom is provided with base plate (13), described concrete caisson main body (1) surrounding is provided with the deep floor (14) being connected with base plate (13).
3. the offshore wind turbine foundation combining by a kind of concrete caisson described in claim 2 and jacket steel work, it is characterized in that described stiffener muscle (10) in filled chamber laterally, longitudinally and diagonal angle combine and be a meter set up of character patt ern.
4. the offshore wind turbine foundation combining by a kind of concrete caisson described in claim 1 or 3 and jacket steel work, it is characterized in that described spud leg (3) and install between connecting hole (2) being provided with fit clearance (11), described fit clearance (11) is filled with the concrete fixed bed (12) for spud leg (3) is fixedly connected with installation connecting hole (2).
5. the offshore wind turbine foundation combining by a kind of concrete caisson described in claim 4 and jacket steel work, it is characterized in that being provided with connecting platform (4) between described spud leg (3) and tower cylinder linkage section (5), described tower cylinder linkage section (5) upper end edge circumferentially downward-sloping being provided with is strengthened support bar (6), described reinforcement support bar (6) other end is connected with connecting platform (4), described spud leg (3) lower end is provided with vertical section (15) for coordinating with installation connecting hole (2), between described adjacent two pile legs (3), be provided with mutual cross-coupled diagonal brace (7), each spud leg (3) mutually forms and is up-narrow and down-wide pyramidal structure.
6. the offshore wind turbine foundation combining by a kind of concrete caisson described in claim 1 or 5 and jacket steel work, is characterized in that described concrete caisson main body (1) is for cylinder, or is cuboid, or be polygonal body.
7. the offshore wind turbine foundation combining by a kind of concrete caisson described in claim 6 and jacket steel work, is characterized in that described concrete caisson main body (1) is provided with three connecting hole (2) is installed, and described spud leg (3) is three.
8. the offshore wind turbine foundation combining by a kind of concrete caisson described in claim 6 and jacket steel work, is characterized in that described concrete caisson main body (1) is provided with four connecting hole (2) is installed, and described spud leg (3) is four.
9. the offshore wind turbine foundation combining by a kind of concrete caisson described in claim 6 and jacket steel work, is characterized in that described concrete caisson main body (1) is provided with six connecting hole (2) is installed, and described spud leg (3) is the six roots of sensation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320603536.3U CN203475463U (en) | 2013-09-24 | 2013-09-24 | Offshore wind turbine foundation with concrete caisson and steel pipe frame steel structure combined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320603536.3U CN203475463U (en) | 2013-09-24 | 2013-09-24 | Offshore wind turbine foundation with concrete caisson and steel pipe frame steel structure combined |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203475463U true CN203475463U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320603536.3U Withdrawn - After Issue CN203475463U (en) | 2013-09-24 | 2013-09-24 | Offshore wind turbine foundation with concrete caisson and steel pipe frame steel structure combined |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203475463U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469808A (en) * | 2013-09-24 | 2013-12-25 | 广东明阳风电产业集团有限公司 | Offshore wind turbine foundation integrating concrete caisson and jacket |
| CN106638659A (en) * | 2016-10-27 | 2017-05-10 | 中国电建集团华东勘测设计研究院有限公司 | Towing truss-gravity type combined offshore wind turbine foundation structure and construction method thereof |
| GB2604909A (en) * | 2021-03-18 | 2022-09-21 | Subsea 7 Ltd | Subsea foundations |
-
2013
- 2013-09-24 CN CN201320603536.3U patent/CN203475463U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469808A (en) * | 2013-09-24 | 2013-12-25 | 广东明阳风电产业集团有限公司 | Offshore wind turbine foundation integrating concrete caisson and jacket |
| CN103469808B (en) * | 2013-09-24 | 2015-12-30 | 广东明阳风电产业集团有限公司 | The offshore wind turbine foundation that a kind of concrete caisson and jacket combine |
| CN106638659A (en) * | 2016-10-27 | 2017-05-10 | 中国电建集团华东勘测设计研究院有限公司 | Towing truss-gravity type combined offshore wind turbine foundation structure and construction method thereof |
| GB2604909A (en) * | 2021-03-18 | 2022-09-21 | Subsea 7 Ltd | Subsea foundations |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20151230 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20151230 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |