CN114855864A - Prefabricated assembled wind-powered electricity generation basis - Google Patents
Prefabricated assembled wind-powered electricity generation basis Download PDFInfo
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- CN114855864A CN114855864A CN202210351268.4A CN202210351268A CN114855864A CN 114855864 A CN114855864 A CN 114855864A CN 202210351268 A CN202210351268 A CN 202210351268A CN 114855864 A CN114855864 A CN 114855864A
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- prefabricated
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- central
- wind power
- central bearing
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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 assembly type wind power foundation, which comprises: a peripheral support assembly and a central load bearing assembly; the peripheral side supporting assembly comprises a plurality of Y-shaped prefabricated components, each Y-shaped prefabricated component comprises three prefabricated plates which are integrally arranged, the specifications of the prefabricated plates are the same, and the Y-shaped prefabricated components are spliced into the peripheral side supporting assembly integrally in a honeycomb structure; the central bearing assembly comprises a plurality of central bearing prefabricated components, the central bearing prefabricated components are arranged adjacently in a circumferential array, a central cavity is formed between the central bearing prefabricated components, and the central bearing components are fixedly connected with the Y-shaped prefabricated components. According to the invention, the wind power foundation area is modularized and divided into the central bearing component for main bearing and the peripheral supporting component for supporting the central bearing component, so that module prefabrication is realized, wherein the Y-shaped prefabricated component has a stable structure and good stress performance, the material consumption can be reduced, and the Y-shaped prefabricated component has high standardization degree and is convenient to assemble.
Description
Technical Field
The invention relates to the technical field of onshore 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 also larger and larger, and the cost is higher and higher. The traditional wind power foundation is of a large-volume reinforced concrete structure, the using amount of concrete and reinforcing 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.
At present, prefabricated reinforced concrete structures are more and more widely applied to the field of buildings, and have the advantages of standardized production, stable product quality, short construction period and the like. The invention provides a prefabricated wind generating set foundation, which aims to improve the utilization rate of reinforced concrete materials and shorten the construction period of a wind power foundation.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
In order to achieve the above object, the present invention provides a prefabricated wind power foundation, comprising: a peripheral support assembly and a central load bearing assembly;
the peripheral side supporting assembly comprises a plurality of Y-shaped prefabricated components, each Y-shaped prefabricated component comprises three prefabricated plates which are integrally arranged, the specifications of the prefabricated plates are the same, and the Y-shaped prefabricated components are spliced into the peripheral side supporting assembly integrally in a honeycomb structure;
the central bearing assembly comprises a plurality of central bearing prefabricated components, the central bearing prefabricated components are arranged adjacently in a circumferential array, a central cavity is formed between the central bearing prefabricated components, and the central bearing components are fixedly connected with the Y-shaped prefabricated components.
According to the invention, the wind power foundation area is modularized and divided into the central bearing component for main bearing and the peripheral side supporting component for supporting the central bearing component, so that module prefabrication is realized, wherein the Y-shaped prefabricated component has a stable structure and good stress performance, the material consumption can be reduced, the Y-shaped prefabricated component has high standardization degree and is convenient to assemble, the finally formed honeycomb peripheral side supporting component has stable supporting performance, and the construction and construction of the wind power foundation can be completed by splicing and constructing each module when the wind power foundation is constructed.
Optionally, an included angle between any two of the three prefabricated plates of the single Y-shaped prefabricated component is 120 °, and an included angle between any two end surfaces of the three prefabricated plates is 60 °.
Further, a bottom plate is integrally arranged at the bottom of the Y-shaped prefabricated part.
Further, the bottom plate is arranged to be triangular, and the angle of each corner of the bottom plate is complementary to the included angle of the opposite prefabricated plate.
Further, the height of the Y-shaped prefabricated part is adjusted according to different use functions.
Furthermore, each prefabricated plate of each Y-shaped prefabricated part is provided with a bolt connecting hole, and the bolt connecting holes of the prefabricated plates which are contacted with each other in the adjacent Y-shaped prefabricated parts are arranged oppositely, so that the adjacent Y-shaped prefabricated plates are fixedly connected by penetrating through the two opposite bolt connecting holes by using bolts.
Furthermore, a plurality of honeycomb cavities are contained in the peripheral side supporting assembly which is integrally of a honeycomb structure and is spliced by a plurality of Y-shaped prefabricated components, and fillers are arranged in the honeycomb cavities.
Furthermore, the central bearing member is provided with an anchor bolt hole along the vertical direction, the central bearing member is provided with a prestressed cable hole along the horizontal direction in a penetrating manner, and a through hole is formed in the Y-shaped prefabricated member close to the central bearing member and matched with the prestressed cable hole.
Further, a grouting connecting layer is arranged between every two adjacent Y-shaped prefabricated parts.
Further, a grouting connecting layer is arranged between every two adjacent Y-shaped prefabricated parts.
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 present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a top view of an overall structure of a prefabricated assembled wind power foundation according to the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic horizontal cross-section of the central load-bearing prefabricated element, intended to show the structure of the internal prestressing cable holes of the central load-bearing prefabricated element;
FIG. 4 is a schematic horizontal cross-sectional view of a Y-shaped prefabricated part according to the present invention;
FIG. 5 is a schematic horizontal cross-sectional view of the adjacent Y-shaped prefabricated parts according to the present invention in a coupled state;
FIG. 6 is a schematic horizontal cross-sectional view of a Y-shaped prefabricated part having a base plate according to the present invention.
Description of reference numerals:
1. a peripheral side support assembly; 11. a Y-shaped prefabricated member; 111. prefabricating a slab; 12. a honeycomb cavity; 2. a central load bearing assembly; 21. a central load bearing prefabricated element; 211. a main body load bearing member; 212. a connecting member; 22. a central cavity; 3. a base plate; 4. connecting holes of bolts; 5. an anchor bolt hole; 6. pre-stressed cable holes; 7. and (6) grouting the connecting layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The invention provides a prefabricated assembled wind power foundation which is explained in detail with reference to fig. 1 to 6.
A prefabricated assembled wind power foundation, referring to fig. 1, comprising: a peripheral side supporting component 1 and a central bearing component 2;
the peripheral side supporting assembly 1 comprises a plurality of Y-shaped prefabricated components 11, each Y-shaped prefabricated component 11 comprises three prefabricated plates 111 which are integrally arranged, the specifications of the prefabricated plates 111 are the same, and the Y-shaped prefabricated components 11 are spliced into the peripheral side supporting assembly 1 which is integrally of a honeycomb structure;
the central bearing assembly 2 comprises a plurality of central bearing prefabricated components 21, the central bearing prefabricated components 21 are arranged adjacently in a circumferential array, a central cavity 22 is formed among the central bearing prefabricated components 21, and the central bearing components are fixedly connected with the Y-shaped prefabricated components 11.
Referring to fig. 1 and 3, the anchor bolt hole 5 is not shown in fig. 3 to show the position of the prestressed cable hole 6, and the anchor bolt hole 5 is shown in fig. 1. The central bearing prefabricated member 21 specifically comprises a main bearing member 211 and a connecting member 212 which are integrally arranged, wherein the main bearing member 211 is a polygonal column, in the embodiment, the main bearing member is a regular hexagonal column, and when the central bearing prefabricated member 21 is spliced with the central bearing assembly 2, the adjacent surfaces of the main bearing members 211 are attached to each other, and a regular hexagonal central cavity 22 is defined in the center; the side wall of the central bearing prefabricated part 21 is provided with two prestressed cable holes 6 in a penetrating manner in the horizontal direction, the prestressed cable holes 6 are arranged in the embodiment, the arrangement positions of the prestressed cable holes 6 need to ensure that the prestressed cable holes 6 penetrate two planes which are opposite to the central bearing prefabricated part 21, meanwhile, the prestressed cable holes 6 of two adjacent central bearing prefabricated parts 21 are opposite to each other, and the prestressed cable can penetrate 4 planes which are parallel to each other of the two central bearing prefabricated parts 21; the connecting member 212 is disposed on the side of the main body bearing member 211 that is not used for splicing to form the central bearing assembly 2 and the central cavity 22, and one end of the connecting member 212 facing the circumferential side supporting assembly 1 is provided with a connecting section for connecting with the Y-shaped prefabricated member 11, the connecting section is provided with a bolt connecting hole 4 for fixedly connecting with the Y-shaped prefabricated member 11, and the connecting member 212 is provided with a through hole for matching with the prestressed cable hole 6 on the main body bearing member 211, so that after the central bearing prefabricated member 21 is spliced, the adjacent central bearing prefabricated members 21 can be fixedly connected through the prestressed cable. And a plurality of anchor bolt holes 5 are arranged on the end surface of each central bearing prefabricated component 21 along the vertical direction for inserting anchor bolts, and on the horizontal section of the assembled and spliced central bearing component 2, the anchor bolt holes 5 are arranged in a circumferential array by taking the center of the central cavity 22 as the circle center, and the prestressed cable holes 6 are arranged in a tangent or separated mode with the 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 the anchor bolt is overhauled, so that the overhaul operation of the anchor bolt by the worker is facilitated.
Further, the included angle between any two of the three prefabricated panels 111 of the single Y-shaped prefabricated component 11 is the same, and in this embodiment, is set to 120 °, and the included angle between any two end surfaces of the three prefabricated panels 111 is complementary to the included angle between any two prefabricated panels 111, and in this embodiment, is set to 60 °. In some embodiments, considering that when some conditions that the assembly and overlapping operation of prefabricated components cannot be or is inconvenient to be directly performed on the ground due to the influence of geological and topographic factors are met, the bottom plate 3 needs to be integrally arranged at the bottom of the Y-shaped prefabricated component 11, the Y-shaped 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 because the figure formed by splicing the Y-shaped prefabricated components 11 is a composite honeycomb regular hexagon or other polygonal shape, the bottom plates 3 corresponding to each Y-shaped prefabricated component 11 participating in splicing also need not to generate interference with each other and can completely form the same plane, so the bottom plates 3 are preferably triangular, and the angle of each corner of the bottom plate 3 needs to be complementary with the included angle of the corresponding prefabricated plate 111, the bottom plate 3 is set to be regular triangle in this embodiment, and each corner of the bottom plate 3 is 60.
Further, each prefabricated plate 111 of each Y-shaped prefabricated member 11 is provided with a bolt connecting hole 4 penetrating to an end face, the bolt connecting hole 4 penetrates from the end face spliced by the prefabricated plates 111 to a side face adjacent to the end face, and a counter bore for accommodating a bolt head is arranged on the side face corresponding to the bolt connecting hole 4; the bolt coupling holes 4 of the prefabricated panels 111, which are in contact with each other, of the adjacent Y-shaped prefabricated sections 11 are oppositely disposed so that the adjacent Y-shaped prefabricated panels 111 are fixedly coupled through the two oppositely disposed bolt coupling holes 4 using bolts. In this embodiment, two adjacent side surfaces of the connecting end surface of each prefabricated plate 111 are provided with a bolt connecting hole 4.
Still further, a grout joint layer 7 is provided between adjacent Y-shaped prefabricated members 11 in consideration of stability and tightness of the connection of the Y-shaped prefabricated members 11 to each other. After the adjacent Y-shaped prefabricated parts 11 are completely connected by bolts, the worker again performs a grouting operation between the adjacent Y-shaped prefabricated parts 11, thereby forming the grout joint layer 7.
In order to better support the central bearing component 2, the heights of the circumferential side supporting components 1 are sequentially reduced in a step shape from the central bearing component 2 to the direction away from the central bearing component 2, that is, the heights of the Y-shaped prefabricated components 11 are adjusted according to different use functions. And the height of the Y-shaped prefabricated part 11 can be adjusted according to different actual construction conditions.
Wherein, because the honeycomb structure that the concatenation of Y shape prefabricated component 11 formed for form a plurality of honeycomb cavities 12 in the supporting component 1 of whole week side, be provided with the filler in every honeycomb cavity 12, the filler can be earth, rubble, gravel and sand etc. and the filler sets up the backfill soil when constructing the wind-powered electricity generation basis in this embodiment. And the filler needs to be filled in different quantities according to the actual load-bearing requirement.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A prefabricated assembled wind power foundation, comprising: a peripheral support assembly and a central load bearing assembly;
the peripheral side supporting assembly comprises a plurality of Y-shaped prefabricated components, each Y-shaped prefabricated component comprises three prefabricated plates which are integrally arranged, the specifications of the prefabricated plates are the same, and the Y-shaped prefabricated components are spliced into the peripheral side supporting assembly integrally in a honeycomb structure;
the central bearing assembly comprises a plurality of central bearing prefabricated components, the central bearing prefabricated components are arranged adjacently in a circumferential array, a central cavity is formed between the central bearing prefabricated components, and the central bearing components are fixedly connected with the Y-shaped prefabricated components.
2. The prefabricated wind power foundation of claim 1, wherein the included angle between any two of the three prefabricated panels of a single Y-shaped prefabricated component is 120 degrees, and the included angle between any two end surfaces of the three prefabricated panels is 60 degrees.
3. A prefabricated wind power foundation according to claim 1, wherein a bottom plate is integrally arranged at the bottom of the Y-shaped prefabricated member.
4. A prefabricated wind power foundation according to claim 3 wherein said base plate is triangular in configuration and the angle of each corner of the base plate is complementary to the angle of the opposite prefabricated plate.
5. A prefabricated wind power foundation according to claim 1, wherein each prefabricated slab of each Y-shaped prefabricated member is provided with a bolt connecting hole, and the bolt connecting holes of the prefabricated slabs which are in contact with each other in the adjacent Y-shaped prefabricated members are oppositely arranged so that the adjacent Y-shaped prefabricated slabs are fixedly connected through the two oppositely arranged bolt connecting holes by using bolts.
6. A prefabricated wind power foundation according to claim 1, wherein the peripheral side supporting assembly which is formed by splicing a plurality of Y-shaped prefabricated members into a honeycomb structure integrally comprises a plurality of honeycomb cavities, and fillers are arranged in the honeycomb cavities.
7. The prefabricated wind power foundation of claim 1, wherein said central bearing member is vertically provided with an anchor hole, said central bearing member is horizontally provided with a prestressed cable hole, and a through hole is formed in the Y-shaped prefabricated member adjacent to the central bearing member in cooperation with said prestressed cable hole.
8. The prefabricated wind power foundation of claim 1, wherein a grouting connection layer is arranged between adjacent Y-shaped prefabricated components.
9. A prefabricated wind power foundation according to claim 1 wherein the peripheral side support members decrease in height in a step-like manner from the central load bearing member towards a direction away from the central load bearing member.
10. A prefabricated wind power foundation according to claim 9 wherein the height of said Y-shaped prefabricated elements is adjustable according to different functions.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210351268.4A CN114855864A (en) | 2022-04-02 | 2022-04-02 | Prefabricated assembled wind-powered electricity generation basis |
| PCT/CN2022/098272 WO2023184712A1 (en) | 2022-04-02 | 2022-06-10 | Prefabricated wind turbine generator system foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210351268.4A CN114855864A (en) | 2022-04-02 | 2022-04-02 | Prefabricated assembled wind-powered electricity generation basis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114855864A true CN114855864A (en) | 2022-08-05 |
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ID=82629660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210351268.4A Pending CN114855864A (en) | 2022-04-02 | 2022-04-02 | Prefabricated assembled wind-powered electricity generation basis |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114855864A (en) |
| WO (1) | WO2023184712A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115928785A (en) * | 2022-12-20 | 2023-04-07 | 重庆大学 | Wind power stepped assembly type foundation suitable for mountain region and assembly method thereof |
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| CN1354112A (en) * | 2000-11-20 | 2002-06-19 | 龙炳勋 | Offshore platform |
| CN201367591Y (en) * | 2009-03-09 | 2009-12-23 | 张富 | Y-shaped concrete slope protection member |
| JP2016148324A (en) * | 2015-02-10 | 2016-08-18 | 電源開発株式会社 | Wind power generation facility on sea and construction method of the same |
| CN106759430A (en) * | 2016-11-15 | 2017-05-31 | 天津大学 | A kind of wind-powered electricity generation whole machine construction method of three bucket foundations and concrete support 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 |
| CN215715417U (en) * | 2021-09-22 | 2022-02-01 | 杨扬 | Vegetation bank protection soil and water conservation device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013087533A (en) * | 2011-10-20 | 2013-05-13 | Nihon Kogyo Co Ltd | Foundation block for soft ground |
| CN103362134A (en) * | 2013-07-29 | 2013-10-23 | 唐广辉 | Concrete slope protection component and slope protection assembly |
| CN111197319A (en) * | 2020-02-27 | 2020-05-26 | 同济大学建筑设计研究院(集团)有限公司 | Multidirectional prestress prefabricated assembled beam slab foundation of wind power generation tower |
| CN215367377U (en) * | 2021-07-26 | 2021-12-31 | 山东碳瑞建材科技有限公司 | Fully-assembled wind generating set foundation and wind generating set |
-
2022
- 2022-04-02 CN CN202210351268.4A patent/CN114855864A/en active Pending
- 2022-06-10 WO PCT/CN2022/098272 patent/WO2023184712A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354112A (en) * | 2000-11-20 | 2002-06-19 | 龙炳勋 | Offshore platform |
| CN201367591Y (en) * | 2009-03-09 | 2009-12-23 | 张富 | Y-shaped concrete slope protection member |
| JP2016148324A (en) * | 2015-02-10 | 2016-08-18 | 電源開発株式会社 | Wind power generation facility on sea and construction method of the same |
| CN106759430A (en) * | 2016-11-15 | 2017-05-31 | 天津大学 | A kind of wind-powered electricity generation whole machine construction method of three bucket foundations and concrete support 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 |
| CN215715417U (en) * | 2021-09-22 | 2022-02-01 | 杨扬 | Vegetation bank protection soil and water conservation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115928785A (en) * | 2022-12-20 | 2023-04-07 | 重庆大学 | Wind power stepped assembly type foundation suitable for mountain region and assembly method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023184712A1 (en) | 2023-10-05 |
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