CN220013757U - Anchor chain type offshore wind power foundation and construction facility thereof - Google Patents
Anchor chain type offshore wind power foundation and construction facility thereof Download PDFInfo
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- CN220013757U CN220013757U CN202321672097.1U CN202321672097U CN220013757U CN 220013757 U CN220013757 U CN 220013757U CN 202321672097 U CN202321672097 U CN 202321672097U CN 220013757 U CN220013757 U CN 220013757U
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- offshore wind
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Abstract
The utility model provides an anchor chain type offshore wind power foundation and construction facilities thereof. The anchor chain type offshore wind power foundation combines the vertical bearing advantage of the single pile foundation and the horizontal bearing advantage of the anchor chain, so that the anchor chain type offshore wind power foundation has higher capability of resisting external force in the vertical direction and the horizontal direction, can meet the high bearing requirement of the offshore wind power project with the water depth of 40-100m, and has better economical efficiency compared with a floating foundation.
Description
Technical Field
The utility model relates to the technical field of offshore wind power, in particular to an anchor chain type offshore wind power foundation and construction facilities thereof.
Background
Offshore wind power installations with water depths of 40m-100m generally employ floating foundations. The floating foundation is provided with buoyancy and stability by the floating body, and enough stability needs enough volume and enough hull strength, so that the floating body needs to be provided with a large weight, and the floating foundation has the advantages of large steel consumption, high construction difficulty, high manufacturing cost and general economy.
In view of this, how to make the foundation of the offshore wind power facility with the water depth of 40m-100m meet the bearing requirement and have better economy is a technical problem which needs to be solved by the technicians in the field.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an anchor chain type offshore wind power foundation, which comprises a single pile foundation, a fixed pile, an anchor chain and a tensioner, wherein the fixed pile is fixed on the side of the single pile foundation, the tensioner is fixedly connected with the single pile foundation, the tensioner is connected with the fixed pile through the anchor chain, and the anchor chain between the tensioner and the fixed pile is tensioned by the tensioner.
In one embodiment of the anchor chain type offshore wind power foundation, the tensioner is fixedly connected to the top of the single pile foundation.
In one embodiment of the anchor chain type offshore wind power foundation, the anchor chain is provided with a first end part, a second end part and a main body part connected between the first end part and the second end part, the first end part is fixedly connected with the fixed pile, the main body part is connected with the tensioner in a penetrating way, and the second end part is submerged under water.
In one embodiment of the anchor chain type offshore wind power foundation, the fixing pile is provided with a lug, and the first end of the anchor chain is fixedly connected to the lug.
In one implementation mode of the anchor chain type offshore wind power foundation, a plurality of fixing piles are sequentially arranged on the periphery of the single pile foundation.
In one implementation mode of the anchor chain type offshore wind power foundation, a tube shaft type lifting lug is arranged on the periphery of the single pile foundation.
In one implementation mode of the anchor chain type offshore wind power foundation, the single pile foundation comprises a plurality of sections of pile bodies, and each section of pile body is formed in a split mode and is sequentially connected along the height direction of the single pile foundation.
In one implementation mode of the anchor chain type offshore wind power foundation, pile bodies of all sections of the single pile foundation are fixedly connected together in a grouting mode.
In one embodiment of the anchor chain type offshore wind power foundation, the top end of the lowermost pile body of the single pile foundation is higher than the surface of the seabed.
The utility model also provides construction equipment of the anchor chain type offshore wind power foundation, and the construction equipment hauling equipment is connected with the anchor chain to pull the anchor chain, so that the anchor chain is connected with a fixed pile which is not yet submerged and fixed, and the anchor chain between the tensioner and the submerged and fixed pile is tensioned.
According to the anchor chain type offshore wind power foundation, the single pile foundation provides enough resistance in the vertical direction, so that the whole foundation is almost free of displacement in the vertical direction, and the tensioned anchor chain provides enough resistance in the horizontal direction, so that the whole foundation is almost free of displacement in the horizontal direction, the foundation combines the vertical bearing advantage of the single pile foundation and the horizontal bearing advantage of the anchor chain, so that the foundation has higher capability of resisting external force in the vertical direction and the horizontal direction, and the high bearing requirement of the offshore wind power project with the water depth of 40-100m can be met.
In addition, the manufacturing cost of the single pile foundation is relatively low because the processing and manufacturing of the single pile foundation tend to be mature, and the manufacturing cost of the anchor chain type offshore wind power foundation is relatively low compared with that of the floating foundation, so that the anchor chain type offshore wind power foundation is relatively better in economical efficiency compared with that of the floating foundation.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a hawse-type offshore wind farm foundation provided by the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged view of the single pile foundation shackle position of FIG. 1;
FIG. 4 is an enlarged view of the location of the spud lug of FIG. 1;
fig. 5 (a) and (b) are schematic views of a process for tensioning an anchor chain.
The reference numerals are explained as follows:
1, a single pile foundation, 11 pipe shaft type lifting lugs and 12 pile bodies;
2 fixing piles and 21 lugs;
3 a chain, 31 a first end, 32 a second end, 33 a body;
4 a tensioner; 5 hauling equipment.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the anchor chain type offshore wind power foundation provided by the utility model comprises a single pile foundation 1, a fixed pile 2, an anchor chain 3 and a tensioner 4.
Both the single pile foundation 1 and the fixed piles 2 are fixed on the seabed. The fixed piles 2 are fixed on the side of the single pile foundation 1. The tensioner 4 is fixedly connected to the mono pile foundation 1. The tensioner 4 and the anchor pile 2 are connected by an anchor chain 3. The anchor chain 3 between the tensioner 4 and the fixing pile 2 is tensioned by the tensioner 4.
According to the anchor chain type offshore wind power foundation, enough resistance is provided by the single pile foundation 1 in the vertical direction, the whole foundation is almost free from displacement in the vertical direction, enough resistance is provided by the tensioned anchor chain 3 in the horizontal direction, the whole foundation is almost free from displacement in the horizontal direction, the foundation combines the vertical bearing advantage of the single pile foundation 1 and the horizontal bearing advantage of the anchor chain 3, the capability of resisting external force is high in the vertical direction and the horizontal direction, and the high bearing requirement of the offshore wind power project with the water depth of 40-100m can be met.
Compared with a floating type foundation, the anchor chain type offshore wind power foundation has the advantages that the required steel amount is greatly reduced, the whole weight is lighter, the construction difficulty and the construction cost are lower, in addition, the manufacturing cost of the single pile foundation 1 is lower because the processing and manufacturing of the single pile foundation 1 are mature, the manufacturing cost of the anchor chain type offshore wind power foundation is lower than that of the floating type foundation, and the economical efficiency is better than that of the floating type foundation.
Specifically, a plurality of fixed piles 2 are sequentially arranged around the single pile foundation 1, and correspondingly, a plurality of groups of tensioners 4 are fixedly connected to the single pile foundation 1. Each group of tensioners 4 respectively corresponds to one fixed pile 2, and an anchor chain 3 is connected between each group of tensioners 4 and the corresponding fixed pile 2. In the illustrated embodiment (see fig. 2), four fixing piles 2 and four sets of tensioners 4 are provided, the four fixing piles 2 being arranged in sequence at 90 ° intervals.
The periphery of the single pile foundation 1 is sequentially provided with a plurality of fixing piles 2, so that the fixing piles 2 are respectively connected with a plurality of groups of tensioners 4 through anchor chains 3, and therefore, the whole bearing capacity of the foundation is better and the whole foundation is firmer.
Specifically, the periphery of the single pile foundation 1 is provided with a tube shaft type lifting lug 11, see fig. 3. The tube shaft type lifting lug 11 has higher strength than a common lifting lug. And a tube shaft type lifting lug 11 is arranged, so that the single pile foundation 1 can be conveniently lifted and sunk.
Specifically, the single pile foundation 1 is of a split structure and comprises a plurality of pile bodies 12, and each pile body 12 is formed in a split mode and is sequentially connected along the height direction of the single pile foundation 1. For offshore wind power projects with water depths of 40-100m, the height of the single pile foundation 1 is generally set higher than 100m, so that the single pile foundation 1 is inconvenient to transport if being arranged into an integral structure, and the single pile foundation 1 is arranged into a split structure, so that the single pile foundation 1 is easy to transport to a construction site and has low transportation cost.
Specifically, each pile section 12 may be fixedly connected together by grouting. Each pile section 12 is transported to a construction site and then sequentially sunk to the seabed from small diameter to large diameter, the lower end of the pile section with large diameter above is sleeved outside the upper end of the pile section with small diameter below, an annular space is formed between the pile sections, and slurry is poured into the annular space. Specifically, the top end of the lowermost pile body is higher than the surface of the seabed, so that grouting operation is facilitated.
Specifically, the tensioner 4 is fixedly connected to the top of the single pile foundation 1, and after the single pile foundation 1 is fixed, the top of the single pile foundation is located above the sea level, so that the tensioner 4 is fixedly connected to the top of the single pile foundation 1, and the tensioner 4 can be located above the sea level, so that tensioning operation is facilitated.
Specifically, the anchor chain 3 has a first end 31, a second end 32 and a main body 33 connected between the first end 31 and the second end 32. The first end 31 of the anchor chain 3 is fixedly connected to the anchor pile 2, the anchor pile 2 may be provided with lugs 21 (see fig. 4), and the first end 31 of the anchor chain 3 may be fixedly connected to the lugs 21 of the anchor pile 2. The main body 33 of the anchor chain 3 is threaded into the bayonet of the tensioner 4. The second end 32 of the anchor chain 3 is submerged under water.
The construction facility of the anchor chain type offshore wind power foundation comprises hauling equipment 5, and the anchor chain 3 is hauled by the hauling equipment 5 during construction operation.
Specifically, when connecting the anchor chain 3 and the fixing pile 2, the hauling device 5 may be used to pull the anchor chain 3, pull the anchor chain 3 to the vicinity of the fixing pile 2, connect the first end 31 of the anchor chain 3 and the fixing pile 2, and sink the fixing pile 2 after the connection.
In particular, when tensioning the chain 3, see fig. 5, the second end 32 of the chain 3 is connected to the hauling equipment 5, and the hauling equipment 5 is gradually moved to a position away from the monopile foundation 1, thereby pulling the second end 32 of the chain 3, causing the body 33 of the chain 3 to move in the bayonet of the tensioner 4 until the chain 3 between the tensioner 4 and the anchor pile 2 is in a nearly straight state. After tensioning, the hauling equipment 5 jettisons the second end 32 of the chain 3 under water.
In particular, the hauling equipment 5 may be a tug with a crane, or may be an anchor boat with a fixed frame, to which the anchor chain 3 may be attached.
The foregoing has outlined rather broadly the principles and embodiments of the present utility model in order that the detailed description of the utility model may be better understood, and in order that the present utility model may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. Anchor chain formula offshore wind power basis, its characterized in that, anchor chain formula offshore wind power basis includes single pile basis (1), spud pile (2), anchor chain (3) and tensioning ware (4), spud pile (2) are fixed single pile basis (1) side, tensioning ware (4) fixed connection in single pile basis (1), tensioning ware (4) with spud pile (2) are passed through anchor chain (3) are connected, tensioning ware (4) with anchor chain (3) between spud pile (2) are by tensioning ware (4).
2. The anchor chain type offshore wind power foundation according to claim 1, wherein the tensioner (4) is fixedly connected to the top of the mono-pile foundation (1).
3. The hawse-type offshore wind power foundation according to claim 1, characterized in that the hawse (3) has a first end (31), a second end (32) and a body part (33) connected between the first end (31) and the second end (32), the first end (31) being fixedly connected with the fixing pile (2), the body part (33) being threaded to the tensioner (4), the second end (32) being submerged under water.
4. A hawse-type offshore wind power foundation according to claim 3, characterized in that the anchor pile (2) is provided with lugs (21), the first end (31) of the hawse (3) being fixedly connected to the lugs (21).
5. The anchor chain type offshore wind power foundation according to any one of claims 1-4, wherein a plurality of fixing piles (2) are sequentially arranged around the single pile foundation (1).
6. Anchor chain type offshore wind power foundation according to any of claims 1-4, characterized in that the periphery of the mono pile foundation (1) is provided with a tube shaft type lifting lug (11).
7. The anchor chain type offshore wind power foundation according to any one of claims 1 to 4, wherein the single pile foundation (1) comprises a plurality of pile bodies (12), and each pile body (12) is formed in a split manner and sequentially connected along the height direction of the single pile foundation (1).
8. The anchor chain type offshore wind power foundation according to claim 7, wherein each section of the pile body (12) of the single pile foundation (1) is fixedly connected together by grouting.
9. The anchor chain offshore wind power foundation according to claim 8, characterized in that the top end of the lowermost pile body (12) of the single pile foundation (1) is higher than the seabed surface.
10. The construction facility of anchor chain type offshore wind power foundation is characterized in that the construction facility hauling equipment (5), the hauling equipment (5) is connected with an anchor chain (3) to pull the anchor chain (3), so that the anchor chain (3) is connected with a fixed pile (2) which is not yet sunk and the anchor chain (3) between a tensioner (4) and the fixed pile (2) which is sunk is tensioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321672097.1U CN220013757U (en) | 2023-06-28 | 2023-06-28 | Anchor chain type offshore wind power foundation and construction facility thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321672097.1U CN220013757U (en) | 2023-06-28 | 2023-06-28 | Anchor chain type offshore wind power foundation and construction facility thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220013757U true CN220013757U (en) | 2023-11-14 |
Family
ID=88687171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321672097.1U Active CN220013757U (en) | 2023-06-28 | 2023-06-28 | Anchor chain type offshore wind power foundation and construction facility thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220013757U (en) |
-
2023
- 2023-06-28 CN CN202321672097.1U patent/CN220013757U/en active Active
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