CN114855863B - Prefabricated assembled wind power foundation - Google Patents
Prefabricated assembled wind power foundation Download PDFInfo
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- CN114855863B CN114855863B CN202210351267.XA CN202210351267A CN114855863B CN 114855863 B CN114855863 B CN 114855863B CN 202210351267 A CN202210351267 A CN 202210351267A CN 114855863 B CN114855863 B CN 114855863B
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- prefabricated
- central bearing
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- wind power
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- 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
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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
-
- 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
- Y02E10/728—Onshore wind turbines
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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)
- Wind Motors (AREA)
Abstract
The invention discloses a prefabricated assembled wind power foundation, which comprises: a honeycomb support assembly and a central load bearing assembly; the honeycomb support assembly comprises a plurality of unit prefabricated parts, each unit prefabricated part is hollow and regular hexagonal prism-shaped, and the plurality of unit prefabricated parts are spliced into the honeycomb support assembly with a honeycomb structure; the central bearing assembly comprises a plurality of central bearing prefabricated parts, the plurality of central bearing prefabricated parts are adjacently arranged in a circumferential array, a central cavity is formed between the plurality of central bearing prefabricated parts, and the central bearing prefabricated parts are fixedly connected with the unit prefabricated parts. According to the invention, the wind power foundation area is modularized, the central bearing assembly for main bearing and the honeycomb supporting assembly for supporting the central bearing assembly are respectively arranged, and the hollow regular hexagonal prism-shaped unit prefabricated member is adopted in the honeycomb supporting assembly, so that the member has the advantages of stable structure, good stress performance, capability of reducing material consumption, high standardization degree and convenience in assembly.
Description
Technical Field
The invention relates to the technical field of land wind generating set foundations, in particular to a prefabricated wind power foundation.
Background
With the continuous progress of wind power generation technology, the single-machine capacity of the wind generating set is larger and larger, the foundation of the wind generating set is larger and larger, and the cost is higher and higher. The traditional wind power foundation is of a large-volume reinforced concrete structure, the consumption of concrete and steel bars is large, and the utilization rate of materials is low. In addition, the traditional wind power foundation is cast-in-place construction, the construction period is long, and the quality control difficulty is high.
The prior prefabricated reinforced concrete structure is increasingly widely applied in the field of buildings, and has the advantages of standardized production, stable product quality, short construction period and the like. In order to improve the utilization rate of reinforced concrete materials and shorten the construction period of a wind power foundation, the invention provides a prefabricated wind power generator set foundation.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent.
In order to achieve the above object, the present invention provides a prefabricated wind power foundation for land wind power foundation, comprising: a honeycomb support assembly and a central load bearing assembly;
the honeycomb supporting assembly comprises a plurality of unit prefabricated parts, each unit prefabricated part is in a hollow regular hexagonal prism shape, the unit prefabricated parts are spliced into a honeycomb supporting assembly which is integrally in a honeycomb structure, a honeycomb cavity is formed in the hollow unit prefabricated parts, and fillers are arranged in the honeycomb cavity. The method comprises the steps of carrying out a first treatment on the surface of the
The central bearing assembly comprises a plurality of central bearing prefabricated parts, the plurality of central bearing prefabricated parts are adjacently arranged in a circumferential array, a central cavity is formed between the plurality of central bearing prefabricated parts, and the central bearing prefabricated parts are fixedly connected with the unit prefabricated parts.
According to the invention, the wind power foundation area is modularized, the module prefabrication is realized by dividing the wind power foundation area into the central bearing assembly for main bearing and the honeycomb supporting assembly for supporting the central bearing assembly, and the hollow regular hexagonal prism-shaped unit prefabrication member is adopted in the honeycomb supporting assembly, so that the member has the advantages of stable structure, good stress performance, high standardization level and convenience in assembly, and can be adjusted according to the requirement, the finally formed honeycomb supporting assembly has stable supporting performance, and the construction and construction of the wind power foundation can be completed by carrying out splicing construction on each module when the wind power foundation is constructed.
Optionally, the central bearing member is provided with a prestressed cable hole in a penetrating manner along a horizontal direction, and the unit prefabricated member close to the central bearing member is provided with a through hole in a matching manner with the prestressed cable hole, so that the adjacent central bearing members are fixedly connected by using the prestressed cable.
Further, the central bearing member is provided with anchor bolt holes along the vertical direction, and the anchor bolt holes are arranged in a circumferential array by taking the center of the central cavity as the center of a circle on the horizontal section of the assembled and spliced central bearing assembly.
Further, the prestress cable hole is tangential to or separated from a circle where the circumferential array of anchor bolt holes are arranged.
Further, each plane of the unit prefabricated parts is provided with a bolt hole, and the bolt holes on the two contact surfaces of the adjacent unit prefabricated parts are opposite to each other, so that the adjacent unit prefabricated parts can be fixedly connected through the bolt holes through bolts.
Further, the unit prefabricated member bottom is provided with a bottom plate.
Further, the height of the honeycomb supporting component is gradually reduced in a step shape from the central bearing component to the direction away from the central bearing component.
Further, the height of the unit prefabricated member is adjusted according to the difference of the use functions.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a top view of the overall structure of a prefabricated wind power foundation according to the present invention;
FIG. 2 is a schematic cross-sectional view of the portion A-A of FIG. 1;
FIG. 3 is a schematic horizontal cross-sectional view of a central load-bearing prefabricated component of a prefabricated wind power foundation according to the present invention;
FIG. 4 is a top view of a prefabricated wind power foundation unit preform according to the present invention;
FIG. 5 is a schematic diagram of the connection relationship between adjacent prefabricated units of a prefabricated wind power foundation according to the present invention.
Reference numerals illustrate:
1. a honeycomb support assembly; 11. a unit prefabricated member; 12. a honeycomb cavity; 2. a central load bearing assembly; 21. a central load bearing prefabricated member; 22. a central cavity; 3. a bottom plate; 4. bolt holes; 5. anchor bolt holes; 6. prestress rope holes.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The present invention provides a prefabricated wind power foundation, which is described in detail below with reference to fig. 1 to 5.
A prefabricated wind power foundation for an onshore wind power foundation comprising: a honeycomb support assembly 1 and a central load bearing assembly 2;
the honeycomb support assembly 1 comprises a plurality of unit prefabricated parts 11, each unit prefabricated part 11 is in a hollow regular hexagonal prism shape, and a plurality of unit prefabricated parts 11 are spliced into the honeycomb support assembly 1 with a honeycomb structure;
the central bearing assembly 2 comprises a plurality of central bearing prefabricated members 21, the plurality of central bearing prefabricated members 21 are adjacently arranged in a circumferential array, a central cavity 22 is formed between the plurality of central bearing prefabricated members 21, and the central bearing members are fixedly connected with the unit prefabricated members 11.
Referring to fig. 1 to 3, wherein in fig. 3, the anchor hole 5 position is not shown in order to specifically indicate the position of the pre-stressing cable hole 6, the anchor hole 5 position is referred to in fig. 1. The central bearing prefabricated parts 21 are polygonal prisms, in this embodiment, the central bearing prefabricated parts 21 are regular hexagonal prisms, when the central bearing assemblies 2 are spliced, adjacent surfaces of each central bearing prefabricated part 21 are mutually attached, a regular hexagonal central cavity 22 is formed by surrounding the center, the side wall of each central bearing prefabricated part 21 is provided with a horizontal direction penetrating prestress cable hole 6, in this embodiment, two prestress cable holes 6 are arranged, the arrangement positions of the prestress cable holes 6 need to ensure two opposite planes penetrating through the central bearing prefabricated parts 21, meanwhile, the prestress cable holes 6 of the two adjacent central bearing prefabricated parts 21 are opposite to each other, and the prestress cable can penetrate through 4 planes parallel to each other of the two central bearing prefabricated parts 21; the unit prefabricated members 11 close to the central bearing member are provided with through holes by matching with the prestressed cable holes 6, so that after the central bearing prefabricated members 21 are spliced, adjacent central bearing prefabricated members 21 can be fixedly connected through the prestressed cables. And a plurality of anchor bolt holes 5 are arranged on the end face of each central bearing prefabricated member 21 along the vertical direction for the insertion of anchor bolts, and on the horizontal section of the assembled and spliced central bearing assembly 2, the anchor bolt holes 5 are arranged in a circumferential array by taking the center of the central cavity 22 as the center of a circle, and the prestress cable holes 6 are tangential to or separated from the circular ring where the circumferential array of the anchor bolt holes 5 is arranged. Due to the existence of the central cavity 22, a worker can enter the central cavity 22 when overhauling the anchor bolt, thereby facilitating the overhauling operation of the worker on the anchor bolt.
Wherein, in keeping away from central direction with central bearing assembly 2 position centers in the radial, be in the unit prefabrication spare 11 on different concentric circles have different function according to the support demand, for better support central bearing assembly 2, the height of honeycomb supporting assembly 1 is the echelonment by central bearing assembly 2 towards keeping away from central bearing assembly 2 direction and reduces in proper order, namely the height of unit prefabrication spare 11 is according to the use function difference adjustment. And in different actual construction conditions, the height of the unit prefabricated member 11 can be adjusted according to the actual construction conditions.
Wherein, referring to fig. 1 and 5, bolt holes 4 are provided on each plane of the unit prefabricated members 11, only the bolt holes 4 on the contact surfaces of the adjacent unit prefabricated members 11 are shown in fig. 5 for the sake of brief description, the same specification of bolt holes 4 are provided on each side of the actual unit prefabricated members 11, and the bolt holes 4 on both contact surfaces of the adjacent unit prefabricated members 11 are disposed facing each other, so that the adjacent unit prefabricated members 11 can be fixedly connected through the bolt holes 4 by bolts. In this embodiment, two bolt holes 4 are provided on each face of the unit precast member 11, and when adjacent unit precast members 11 are spliced adjacently, a worker fixedly connects the adjacent two unit precast members 11 by bolts. In some embodiments, considering that when some situations that the splicing and lapping operation of the prefabricated components cannot be directly performed on the ground or are inconvenient due to the influence of geological and topographic factors are encountered, the bottom plate 3 needs to be integrally arranged at the bottom of the unit prefabricated component 11, and the unit prefabricated component 11 with the bottom plate 3 can facilitate the construction operation of wind power foundation by workers under various geological and topographic conditions. And since each of the unit prefabricated parts 11 is tightly spliced into the honeycomb supporting assembly 1, each of the bottom plates 3 is required to form the same flat plane at the ground position, in this embodiment, the shape of the bottom plate 3 is provided with a regular hexagonal plate conforming to the outer contour of the horizontal cross section of the unit prefabricated part 11, and the bottom plate 3 is integrally provided with the unit prefabricated part 11. Further, on the side surface of the central load-bearing prefabricated member 21, which is in contact with the honeycomb support assembly 1, bolt holes 4 are correspondingly formed in the same way as the bolt holes 4 on the unit prefabricated member 11, so that the central load-bearing prefabricated member 21 and the adjacent unit prefabricated member 11 can be fixedly connected through bolts.
Wherein, because the honeycomb structure formed by the splicing of the unit prefabricated components 11 enables a plurality of honeycomb cavities 12 to be formed in the whole honeycomb supporting assembly 1, and each honeycomb cavity 12 is internally provided with a filler which can be soil, broken stone, sand stone and the like, and the filler in the embodiment is set as backfill soil in the process of constructing a wind power foundation. And the filler needs to be filled in different amounts according to actual bearing requirements.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A prefabricated wind power foundation for an onshore wind power foundation comprising: a honeycomb support assembly and a central load bearing assembly;
the honeycomb supporting assembly comprises a plurality of unit prefabricated parts, each unit prefabricated part is in a hollow regular hexagonal prism shape, the unit prefabricated parts are spliced into a honeycomb supporting assembly with a honeycomb structure, the unit prefabricated parts are hollow to form a honeycomb cavity, and a filler is arranged in the honeycomb cavity; the height of the honeycomb supporting component is gradually reduced in a step shape from the central bearing component to the direction away from the central bearing component;
the central bearing assembly comprises a plurality of central bearing prefabricated parts, the plurality of central bearing prefabricated parts are adjacently arranged in a circumferential array, a central cavity is formed among the plurality of central bearing prefabricated parts, the central bearing prefabricated parts are fixedly connected with the unit prefabricated parts, the central bearing prefabricated parts are regular hexagonal prisms, the adjacent surfaces of each central bearing prefabricated part are mutually attached, and the central cavity is surrounded into a regular hexagon in the center;
the bottom of the unit prefabricated part is provided with a bottom plate.
2. A prefabricated wind power foundation according to claim 1, wherein the central bearing member is provided with a prestressed cable hole penetrating in the horizontal direction, and the unit prefabricated member adjacent to the central bearing member is provided with a through hole matching with the prestressed cable hole, so that the adjacent central bearing members are fixedly connected by using the prestressed cable.
3. A prefabricated wind power foundation according to claim 2, wherein the central bearing member is provided with anchor holes in a vertical direction, and the anchor holes are arranged in a circumferential array around the center of the central cavity on a horizontal section of the assembled and spliced central bearing member.
4. A prefabricated wind power foundation according to claim 3, wherein the pre-stressing cable holes are arranged tangentially to or separately from the circle in which the circumferential array of anchor holes is arranged.
5. A prefabricated wind power foundation according to claim 1, wherein each plane of the unit prefabricated members is provided with a bolt hole, and the bolt holes on the two contact surfaces of the adjacent unit prefabricated members are arranged opposite to each other, so that the adjacent unit prefabricated members can be fixedly connected through the bolt holes by bolts.
6. A prefabricated wind power foundation according to claim 1, wherein the height of the unit prefabricated members is adjusted according to the function of use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210351267.XA CN114855863B (en) | 2022-04-02 | 2022-04-02 | Prefabricated assembled wind power foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210351267.XA CN114855863B (en) | 2022-04-02 | 2022-04-02 | Prefabricated assembled wind power foundation |
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| Publication Number | Publication Date |
|---|---|
| CN114855863A CN114855863A (en) | 2022-08-05 |
| CN114855863B true CN114855863B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210351267.XA Active CN114855863B (en) | 2022-04-02 | 2022-04-02 | Prefabricated assembled wind power foundation |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234069A (en) * | 2013-06-07 | 2014-12-24 | 刘红静 | Offshore wind turbine foundation with plug-in honeycomb structure chassis |
| CN205000355U (en) * | 2015-09-21 | 2016-01-27 | 中国电建集团华东勘测设计研究院有限公司 | Box gravity type marine wind power foundation structure |
| CN113718819A (en) * | 2021-08-31 | 2021-11-30 | 江苏砺诚交通科技有限公司 | Prefabricated assembly type wind power tower cylinder foundation and assembly method |
| CN217460658U (en) * | 2022-04-02 | 2022-09-20 | 华能陇东能源有限责任公司 | Prefabricated assembled wind-powered electricity generation basis |
-
2022
- 2022-04-02 CN CN202210351267.XA patent/CN114855863B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234069A (en) * | 2013-06-07 | 2014-12-24 | 刘红静 | Offshore wind turbine foundation with plug-in honeycomb structure chassis |
| CN205000355U (en) * | 2015-09-21 | 2016-01-27 | 中国电建集团华东勘测设计研究院有限公司 | Box gravity type marine wind power foundation structure |
| CN113718819A (en) * | 2021-08-31 | 2021-11-30 | 江苏砺诚交通科技有限公司 | Prefabricated assembly type wind power tower cylinder foundation and assembly method |
| CN217460658U (en) * | 2022-04-02 | 2022-09-20 | 华能陇东能源有限责任公司 | Prefabricated assembled wind-powered electricity generation basis |
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| Publication number | Publication date |
|---|---|
| CN114855863A (en) | 2022-08-05 |
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