CN208981348U - Single-pile foundation and offshore wind turbine with the single-pile foundation - Google Patents
Single-pile foundation and offshore wind turbine with the single-pile foundation Download PDFInfo
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- CN208981348U CN208981348U CN201821735401.1U CN201821735401U CN208981348U CN 208981348 U CN208981348 U CN 208981348U CN 201821735401 U CN201821735401 U CN 201821735401U CN 208981348 U CN208981348 U CN 208981348U
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- pile foundation
- floor
- horizontal ribbed
- wind turbine
- offshore wind
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The utility model provides a kind of single-pile foundation and the offshore wind turbine with the single-pile foundation.The single-pile foundation includes cylinder and the floor that cylinder madial wall is arranged in, and floor includes one or more longitudinal floors, and floor extends along the length direction of single-pile foundation longitudinally in each, and multiple longitudinal floor being provided at circumferentially spaced along cylinder madial wall；And it is one or more horizontal ribbed, it is horizontal ribbed be arranged in single-pile foundation be located at sea bed face more than un-encased portion in, and each horizontal ribbed circumferentially extending along cylinder madial wall, multiple horizontal ribbed length direction intervals along single-pile foundation are arranged, according to the utility model, the horizontal bearing capacity, vertical bearing capacity and anti-bending bearing capacity of single-pile foundation can be enhanced, and can be in the diameter and wall thickness of same load-up condition reduction single-pile foundation.
Description
Technical field
The utility model relates to technical field of wind power generation, are used for offshore wind turbine more particularly, to one kind
Single-pile foundation and offshore wind turbine including the single-pile foundation.
Background technique
At sea in wind power plant, it is by a major diameter that single-pile foundation, which is using a kind of relatively more extensive type of foundation,
Steel-pipe pile is mounted on the basis on sea bed, suitable for shallow water and Intermediate Water Depth and with the sea area of preferable supporting course.Currently, marine
The diameter of wind power generating set single-pile foundation is 6~7m, and the trend that oriented 8m or more develops.Single-pile foundation have diameter it is big,
The big feature of weight.Thin-walled cartridge type basic stress situation is simple, often through increase diameter in the design of existing single-pile foundation
Horizontal external and moment of flexure are resisted with single pile wall thickness is increased, the weight of single-pile foundation necessarily increases in this case, to make
At single pile increased costs, the cost of Offshore development Wind Power Project is added somewhat to.Therefore single-pile foundation is carried out necessary
Update design, to reduce the steel dosage of single-pile foundation in the case where guaranteeing pile body overall stability and safety conditions.
Utility model content
For the deficiencies in the prior art, one of the purpose of this utility model is to solve above-mentioned to deposit in the prior art
One or more problems.For example, one of the purpose of this utility model is that providing one kind is not increasing single-pile foundation weight
While enhancing is horizontal, vertical and anti-bending bearing capacity single-pile foundation.
The one side of the utility model provides a kind of single-pile foundation for offshore wind turbine.The single-pile foundation
Including cylinder and the floor of cylinder madial wall is set, floor includes: one or more longitudinal floors, longitudinally in each floor edge
The length direction of single-pile foundation extend, and multiple longitudinal floors are arranged along the circumferential direction of cylinder madial wall；And one or more
It is a horizontal ribbed, it is horizontal ribbed that being located in the un-encased portion in sea bed face or more of single-pile foundation, and each transverse direction are set
Along the circumferentially extending of cylinder madial wall, multiple horizontal ribbed length direction intervals along single-pile foundation are arranged floor.
Optionally, in the un-encased portion of single-pile foundation, horizontal ribbed and longitudinal floor can be arranged in a crossed manner.
Optionally, horizontal ribbed and longitudinal floor can be crossed as latticed, and can at least one of as follows side
Formula setting: horizontal ribbed is elongated floor, and longitudinal floor is broken as multistage and longitudinal floor along the length direction of single-pile foundation
Every section be fixed on it is adjacent it is horizontal ribbed between；Longitudinal floor is elongated floor, the horizontal ribbed circumferential direction along cylinder madial wall
It is broken as multistage and horizontal ribbed every section is fixed between adjacent longitudinal floor；The horizontal ribbed week along cylinder madial wall
To being broken as multistage, longitudinal floor is fixed on phase along the length direction of single-pile foundation be broken as multistage and longitudinal floor every section
It is adjacent it is horizontal ribbed between.
Optionally, floor and cylinder madial wall integrally connected.
Optionally, single-pile foundation may also include the outside floor that cylinder lateral wall is arranged in.
Optionally, outside floor can be with cylinder lateral wall integrally connected.
Optionally, single-pile foundation can be steel cylinder, and floor can be steel plate.
The another aspect of the utility model provides a kind of offshore wind turbine.The offshore wind turbine includes such as
The upper single-pile foundation.
The utility model is by adding floor in single-pile foundation inner sidewall, only by carrying out small improvement to structure, just
Can be achieved to increase single-pile foundation intensity, reduce single pile weight, can also save the steel construction dosage of single-pile foundation, reduce basis at
This.
Detailed description of the invention
The exemplary embodiment of the utility model, the exemplary reality of the utility model are more fully described by referring to accompanying drawing
The above and other aspect for applying example will be apparent, in which:
Fig. 1 is the signal according to the single-pile foundation for offshore wind turbine of the utility model exemplary embodiment
Figure.
Fig. 2 is the enlarged diagram of the part P1 in Fig. 1.
Fig. 3 is the enlarged diagram of the part P2 in Fig. 1.
The cross-sectional view of taken along line A-A of Fig. 4 A in Fig. 1.
Fig. 4 B is the left view for showing the relationship of the un-encased portion of floor and single-pile foundation in Fig. 1.
Fig. 5 A is the cross-sectional view of the taken along section lines B-B in Fig. 1.
Fig. 5 B is the left view for showing the relationship of the embedded part of floor and single-pile foundation in Fig. 1.
Description of symbols:
1: blower fan tower barrel, 2: connecting flange, 3: floor, 31: it is horizontal ribbed, 32: longitudinal floor, 4: single-pile foundation, 5: sea
Bed surface, 6: sea level, 7: un-encased portion (and can be described as single-pile foundation un-encased portion cylinder), 8: embedded part (and can claim
For single-pile foundation embedded part cylinder), 9: mud layer.
Specific embodiment
Hereinafter, the single pile according to the utility model embodiment will be described in detail in conjunction with attached drawing and exemplary embodiment
Basis and the offshore wind turbine with the single-pile foundation.
Fig. 1 is the signal according to the single-pile foundation for offshore wind turbine of the utility model exemplary embodiment
Figure.Fig. 2 is the enlarged diagram of the part P1 in Fig. 1.Fig. 3 is the enlarged diagram of the part P2 in Fig. 1.Fig. 4 A is along Fig. 1
Taken along line A-A cross-sectional view.Fig. 4 B is the left view for showing the relationship of the un-encased portion of floor and single-pile foundation in Fig. 1
Figure.Fig. 5 A is the cross-sectional view of the taken along section lines B-B in Fig. 1.Fig. 5 B is the embedded division for showing floor and single-pile foundation in Fig. 1
The left view for the relationship divided.
Single-pile foundation for offshore wind generation set is to be applied to one kind in offshore wind farm industry to lean on soil pressure against piles, seafloor bearing capacity
Transmit the pile foundation form of fan loads.It is described hereinafter with reference to Fig. 1 to Fig. 5 B according to the utility model exemplary embodiment
Single-pile foundation for offshore wind turbine.
As shown in Figure 1, single-pile foundation 4 can be the steel-pipe pile of tubular, i.e. steel cylinder, the upper end of single-pile foundation 4 passes through
Connecting flange 2 is connect with blower fan tower barrel 1, and the lower end of single-pile foundation 4 is inserted into the rock stratum below of sea bed face 5.It is practical according to this
The single-pile foundation 4 for offshore wind turbine of novel exemplary embodiment includes cylinder and is arranged in cylinder madial wall
Floor 3.Wherein, floor 3 can be in 4 inner sidewall stress complex region of single-pile foundation (for example, concentrated force, moment of flexure and shearing
Biggish region) or there is the floor of putting more energy into being arranged at load to improve section to carry out local strengthening to single-pile foundation 4
Tensile capacity and anti-pressure ability, enhancing 4 horizontal bearing capacity of single-pile foundation, vertical bearing capacity and anti-bending bearing capacity optimize entire single
The force structure of pile foundation 4 improves pile body overall stability and safety, reduces single-pile foundation 4 in sea area wave and blower lotus
Dynamic response under carrying reduces single so as to realize the diameter and wall thickness that reduce single steel-pipe pile under same load-up condition
The weight and cost of pile foundation 4.
It is line of demarcation with sea bed face 5, single-pile foundation 4 is divided into the embedded part 8 under insertion sea bed face 5 in mud layer 9
With the un-encased portion 7 being located on sea bed face 5.It should be understood that embedded part 8 and un-encased portion 7 are only theoretic
It divides, does not represent single-pile foundation 4 and necessarily formed by the two parts separated.Wherein, the exposure of un-encased portion 7 of single-pile foundation 4
In the seawater, by seawater scouring, and blower load is born.Embodiment according to the present utility model, in the non-of single-pile foundation 4
Floor 3 is added in embedded part 7, carries out local strengthening, to improve its section tensile capacity and anti-pressure ability, enhances single-pile foundation
Horizontal bearing capacity, vertical bearing capacity and anti-bending bearing capacity.It particularly, being located in the un-encased portion 7 of single-pile foundation 4
It is added with being located under sea level 6 for the un-encased portion 7 of single-pile foundation 4 by the biggish one section of region of external force on sea level 6
Floor 3.Floor 3 can be abound with around the circumference of single-pile foundation 4, such as being arranged circumferentially along cylinder madial wall.Such as Fig. 2 and
Shown in Fig. 4 A, the floor 3 in the un-encased portion 7 of single-pile foundation 4 includes horizontal ribbed 31 (referred to as cross ribs) and and cross rib
The longitudinal floor 32 (referred to as longitudinal rib) arranged in a crossed manner of plate 31.Wherein, longitudinal floor 32 can be along the length direction of single-pile foundation 4
Extend, horizontal ribbed 31 along cylinder madial wall circumferentially extending and be formed as ring-type, horizontal ribbed 31 with longitudinal floor 32
It is latticed to be crossed as cross.But the utility model is without being limited thereto, horizontal ribbed 31 and the arrangement of longitudinal floor 32 be not limited to
Cross is latticed, and it is other latticed to may be formed as meter shape etc..
Connection type between horizontal ribbed 31 and longitudinal floor 32 includes such as at least one of under type mode: laterally
Floor 31 be elongated floor, that is, horizontal ribbed 31 be one whole floor, horizontal ribbed 31 along cylinder madial wall circumferentially continuously
Extend and be integrally formed, longitudinal floor 32 is broken as every section of multistage and longitudinal floor 32 along the length direction of single-pile foundation 4
It being fixed between adjacent horizontal ribbed 31, i.e., longitudinal floor 32 is made of along the length direction of single-pile foundation 4 more short floors,
The every section short floor of longitudinal floor 32 is arranged between adjacent horizontal ribbed 31, here, adjacent horizontal ribbed 31 is arranged in
Between short floor preferably link together with horizontal ribbed 31, but utility model is without being limited thereto, such as short floor can also be only
It is arranged between adjacent horizontal ribbed 31 without linking together with horizontal ribbed 31；Longitudinal floor 32 is elongated floor, horizontal
Multistage is broken as along the circumferential direction of cylinder madial wall to floor 31 and every section of horizontal ribbed 31 is fixed on adjacent longitudinal floor
Between 32；Or horizontal ribbed 31 be broken as multistage, length of longitudinal floor 32 along single-pile foundation 4 along the circumferential direction of cylinder madial wall
Direction is broken as multistage and every section of longitudinal floor 32 is fixed between adjacent horizontal ribbed 31.It should be understood that laterally
The quantity of floor 31 and longitudinal floor 32 is unrestricted, can be increased according to the stress condition of the un-encased portion 7 of single-pile foundation 4
Subtract.Since 7 inner sidewall of un-encased portion of single-pile foundation 4 is provided with floor 3, it is possible to reduce the wall thickness of un-encased portion 7
And/or diameter.That is, the un-encased portion 7 of single-pile foundation 4 can be reducing steel tube stake, it also can be isometrical change wall thickness steel
Tubular pole.
The embedded part 8 of single-pile foundation 4 can be produced using conventional design according to geological condition, can be chosen according to load embedding
The diameter and wall thickness for entering the steel cylinder of part 8, are not provided with floor 3.But the utility model is without being limited thereto, such as Fig. 1, Fig. 3 and figure
Shown in 5A, floor 3 can also be also added in 8 inner sidewall of embedded part of single-pile foundation 4.For example, in the embedded division of single-pile foundation 4
Divide in 8 one section of region for just entering mud and adds floor 3.It is rammed under sea bed face 5 for convenience of by the hammering of single-pile foundation 4, single pile base
Longitudinal floor 32 is only arranged in 8 inner sidewall of embedded part of plinth 4, is not provided with intersect with longitudinal floor 32 horizontal ribbed 31, thus
Resistance can be increased during sea bed face 5 is rammed into the hammering of single-pile foundation 4 to avoid horizontal ribbed 32.
Floor 3 can be the steel plate being welded on the inner sidewall of steel cylinder.As shown in Fig. 4 A, Fig. 4 B, Fig. 5 A and Fig. 5 B,
The side of floor 3 and cylinder madial wall are welded, and floor 3 is less than along the length far from the extension of cylinder madial wall direction and extension
The 1/4 of barrel diameter.The material grade of floor 3 should be not less than the material grade of single-pile foundation 4.It is complete when producing single-pile foundation 4
At the welding of floor 3, it is not necessary to assembled at the scene.The same base material of 3 welding procedure of floor, 4 inner weldment of single-pile foundation need anti-corrosion.But
The utility model is without being limited thereto, and mode can also be fixedly connected with by other by floor 3 and is integrally attached to 4 inner sidewall of single-pile foundation
On.Floor 3 is welded on inside single-pile foundation 4 by the utility model in advance in production, is not changed construction technology, can comparatively fast be completed
The construction of single-pile foundation 4, and can avoid floor 3 by seawater scouring, improve its service life.
Alternatively, (for example, integrally connected in a welding manner) can also be set in the cylinder lateral wall of single-pile foundation 4
Outside floor, or floor can be added simultaneously in the lateral wall and inner sidewall of single-pile foundation 4.
According to the utility model, on the basis of not changing existing single-pile foundation construction technique, by the way that single-pile foundation is existed
It is theoretically divided into two parts (that is, embedded part and un-encased portion), and by carrying out single-pile foundation stress in the design phase
Analysis, in the production phase to the horizontal bearing capacity of single-pile foundation, vertical bearing capacity and anti-bending bearing capacity weak part (i.e. by outside
The biggish position of active force) by adding floor local strengthening is carried out, to enhance the horizontal bearing capacity of single-pile foundation, vertical carrying
Power and anti-bending bearing capacity, to can reduce the diameter for being provided with the single-pile foundation in region of floor under same load-up condition
And/or wall thickness, it is contemplated that can effectively reduce the 5% of single-pile foundation weight.And it is possible to make single-pile foundation the same stake diameter the case where
Under, it can be compatible with more powerful unit, reduce offshore wind farm project equipment cost of investment indirectly.In addition, not changing existing list
Under the premise of the structure and shape of pile foundation, it still original equipment can be used to carry out single-pile foundation construction, do not change construction technology,
The construction of single-pile foundation thus can be still completed according to existing arrangement and method for construction.
It, to those skilled in the art will be obvious although describing utility model referring to example embodiment
, can be made various changes and modifications in the case where not departing from the spirit and scope of utility model.It will therefore be appreciated that
, above-described embodiment is not limiting, but illustrative.Therefore, the range of utility model will by claims and
The widest admissible explanation of its equivalent should not be restricted or limitation to determine by the description of front.
Claims (7)
1. a kind of single-pile foundation for offshore wind turbine, which is characterized in that the single-pile foundation (4) include cylinder with
And the floor (3) of cylinder madial wall is set, the floor (3) includes:
One or more longitudinal direction floors (32), each longitudinal floor (32) along the single-pile foundation (4) length direction
Extend, and multiple described longitudinal floor (32) being provided at circumferentially spaced along the cylinder madial wall；And
One or more horizontal ribbed (31), described horizontal ribbed (31), which are arranged, is located at sea bed face in the single-pile foundation (4)
(5) in un-encased portion (7) more than, and each horizontal ribbed (31) along the circumferentially extending of the cylinder madial wall,
Multiple horizontal ribbed (31) are arranged along the length direction interval of the single-pile foundation (4).
2. the single-pile foundation according to claim 1 for offshore wind turbine, which is characterized in that in the single pile
In the un-encased portion (7) of basic (4), horizontal ribbed (31) and longitudinal floor (32) are arranged in a crossed manner.
3. the single-pile foundation according to claim 1 for offshore wind turbine, which is characterized in that the cross rib
Plate (31) and longitudinal floor (32) are crossed as latticed, and mode is arranged at least one of as follows:
Described horizontal ribbed (31) are elongated floor, and the longitudinal direction floor (32) is disconnected along the length direction of the single-pile foundation (4)
Every section for multistage and longitudinal floor (32) is opened to be fixed between adjacent horizontal ribbed (31)；
The longitudinal direction floor (32) is elongated floor, and horizontal ribbed (31) are broken as more along the circumferential direction of the cylinder madial wall
Section and every section of horizontal ribbed (31) are fixed between adjacent longitudinal floor (32)；
Horizontal ribbed (31) are broken as multistage along the circumferential direction of the cylinder madial wall, and the longitudinal direction floor (32) is along the list
The length direction of pile foundation (4) is broken as multistage and every section of longitudinal floor (32) is fixed on the adjacent cross rib
Between plate (31).
4. the single-pile foundation according to claim 1 for offshore wind turbine, which is characterized in that the floor
(3) with the cylinder madial wall integrally connected.
5. the single-pile foundation according to claim 1 for offshore wind turbine, which is characterized in that the single pile base
Plinth (4) further includes the outside floor that cylinder lateral wall is arranged in, the outside floor and the cylinder lateral wall integrally connected.
6. the single-pile foundation according to claim 1 for offshore wind turbine, which is characterized in that the single pile base
Plinth (4) is steel cylinder, and the floor (3) is steel plate.
7. a kind of offshore wind turbine, which is characterized in that the offshore wind turbine includes as in claim 1-6
Single-pile foundation described in any one (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735401.1U CN208981348U (en) | 2018-10-24 | 2018-10-24 | Single-pile foundation and offshore wind turbine with the single-pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735401.1U CN208981348U (en) | 2018-10-24 | 2018-10-24 | Single-pile foundation and offshore wind turbine with the single-pile foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208981348U true CN208981348U (en) | 2019-06-14 |
Family
ID=66788915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821735401.1U Active CN208981348U (en) | 2018-10-24 | 2018-10-24 | Single-pile foundation and offshore wind turbine with the single-pile foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208981348U (en) |
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2018
- 2018-10-24 CN CN201821735401.1U patent/CN208981348U/en active Active
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