CN215367377U - Fully-assembled wind generating set foundation and wind generating set - Google Patents
Fully-assembled wind generating set foundation and wind generating set Download PDFInfo
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- CN215367377U CN215367377U CN202121701234.0U CN202121701234U CN215367377U CN 215367377 U CN215367377 U CN 215367377U CN 202121701234 U CN202121701234 U CN 202121701234U CN 215367377 U CN215367377 U CN 215367377U
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- 238000004873 anchoring Methods 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000011513 prestressed concrete Substances 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011440 grout Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 16
- 239000004567 concrete Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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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
- Y02E10/728—Onshore wind turbines
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Abstract
A fully-assembled wind generating set foundation and a wind generating set relate to the technical field of wind generating sets. The fully assembled wind generating set foundation comprises a prefabricated central body and a plurality of prefabricated prestressed beams; the plurality of pre-fabricated prestressed beams are all arranged on the periphery of the pre-fabricated central body, and the pre-fabricated central body is connected with the pre-fabricated prestressed beams through pre-fabricated connecting pieces; the precast prestressed beam is connected with an anchoring device used for being connected with foundation soil; an anchor bolt assembly used for connecting an upper tower barrel is arranged in the prefabricated central body. The wind generating set comprises a fully-assembled wind generating set foundation. The utility model aims to provide a fully-assembled wind generating set foundation and a wind generating set, and solves the technical problems of large foundation volume, large amount of used concrete and steel bars, uncontrollable construction quality and low construction efficiency in the prior art to a certain extent.
Description
Technical Field
The utility model relates to the technical field of wind generating sets, in particular to a fully-assembled wind generating set foundation and a wind generating set.
Background
As a pollution-free and renewable energy source, the installed capacity of wind power rises year by year in recent years, and meanwhile, the industry faces the pressure of wind power on line at a low price. As a structural component for supporting the wind generating set, the foundation of the wind generating set has a descending space in terms of installation cost.
The foundation of the wind generating set bears larger horizontal force, bending moment and vertical force, and the conventional gravity type foundation provides enough bearing force for supporting an upper structure by virtue of large-volume concrete and backfill soil. However, the foundation has large volume, large amount of concrete and steel bars, difficult control of construction quality and low construction efficiency, so that the existing foundation structure is necessarily improved by combining the stress characteristic of the foundation of the wind generating set.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fully-assembled wind generating set foundation and a wind generating set, and solves the technical problems of large foundation volume, large amount of used concrete and steel bars, uncontrollable construction quality and low construction efficiency in the prior art to a certain extent.
In order to achieve the purpose, the utility model provides the following technical scheme:
a fully assembled wind generating set foundation comprises a prefabricated central body and a plurality of prefabricated prestressed beams;
the plurality of pre-fabricated prestressed beams are all arranged on the periphery of the pre-fabricated central body, and the pre-fabricated central body is connected with the pre-fabricated prestressed beams through pre-fabricated connecting pieces;
the precast prestressed beam is connected with an anchoring device used for being connected with foundation soil;
an anchor bolt assembly used for connecting an upper tower barrel is arranged in the prefabricated central body.
In any of the above solutions, optionally, the prefabricated central body comprises a plurality of prefabricated central structures;
and a plurality of prefabricated central structures are encircled to form the prefabricated central body along the circumferential direction of the prefabricated central body.
In any of the above technical solutions, optionally, a post-cast strip structure is disposed at an assembly joint between two adjacent prefabricated central structures;
and a central structure connecting piece penetrating through the post-cast strip structure is connected between every two adjacent prefabricated central structures.
In any of the above technical solutions, optionally, the post-cast strip structure is formed by high-strength grouting;
the central structure connecting piece is a screw or a steel bar; the screw or the reinforcing steel bar extends along the circumferential direction of the prefabricated central body.
In any of the above solutions, optionally, the prefabricated central body is an annular column;
in the axial direction perpendicular to the prefabricated central body, the section of the outer wall surface of the prefabricated central body is a regular polygon, and the section of the inner wall surface of the prefabricated central body is a circle;
the number of the prefabricated central structures is 3-6;
the precast prestressed beam is a precast prestressed concrete beam;
the prefabricated connecting piece is a prestressed cable;
and transverse ribs and vertical ribs are arranged in the precast prestressed beams.
In any of the above technical solutions, optionally, each of the precast prestressed girders is provided with a precast girder bottom preformed hole and a precast girder top preformed hole;
the prefabricated central body is provided with a prefabricated central body bottom preformed hole and a prefabricated central body top preformed hole;
one prefabricated connecting piece is sequentially spliced with the prefabricated central body bottom preformed hole and the prefabricated beam bottom preformed hole, and the other prefabricated connecting piece is sequentially spliced with the prefabricated central body top preformed hole and the prefabricated beam top preformed hole so as to fasten the prefabricated central body and the prefabricated prestressed beam.
In any of the above technical solutions, optionally, along the axial direction of the prefabricated central body, the cross section of the prefabricated prestressed girder is trapezoidal;
the length of the bottom side of the section of the precast prestressed beam is greater than that of the top side of the section of the precast prestressed beam, and the bottom side of the section of the precast prestressed beam is connected with the precast central body.
In any of the above technical solutions, optionally, the anchoring device includes a precast pile or a prestressed anchor bolt;
and/or the anchoring device is arranged at one or more of the far end, the middle part or the near end of the precast prestressed girder; wherein, the far end of the precast prestressed beam is the end of the precast prestressed beam far away from the precast central body.
In any of the above technical solutions, optionally, the anchoring device is connected to the pre-fabricated prestressed beam through a conversion precast slab;
the conversion precast slab is provided with a precast slab preformed hole, and the precast prestressed beam is provided with a precast beam preformed hole corresponding to the precast slab preformed hole; steel pull rods or high-strength steel bars sequentially penetrate through the precast slab preformed holes and the precast beam preformed holes to connect the conversion precast slabs and the precast prestressed beams;
the conversion prefabricated plate is connected with the anchoring device through a steel bar.
A wind generating set comprises a fully-assembled wind generating set foundation.
The utility model has the following beneficial effects:
the utility model provides a fully-assembled wind generating set foundation and a wind generating set, which comprise a prefabricated central body, a plurality of prefabricated prestressed beams, prefabricated connecting pieces, anchoring devices and anchor bolt assemblies, wherein the prefabricated central body can be prefabricated through each structural piece and then assembled and finished on a construction site, so that the advantages of an assembled structure are fully utilized, the structure is reasonable in stress form, and the force transmission path is clear; compared with the existing gravity type foundation, the fully-assembled wind generating set foundation has the advantages that the foundation volume is relatively small, the material consumption is saved, the on-site construction efficiency is high, and the construction quality is easy to control.
In order to make the aforementioned and other objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a fully-assembled wind turbine foundation provided in an embodiment of the present invention;
FIG. 2 is a schematic view of another perspective structure of a fully-assembled wind turbine foundation provided in an embodiment of the present invention;
FIG. 3 is an enlarged left-hand side view of the fully assembled wind turbine foundation of FIG. 2;
FIG. 4 is a schematic view illustrating the connection between a prefabricated central body and a prefabricated prestressed girder according to an embodiment of the present invention;
fig. 5 is a schematic connection diagram of a precast pile according to an embodiment of the present invention;
FIG. 6 is a schematic connection diagram of a prestressed anchor bolt according to an embodiment of the present invention.
Icon: 1-prefabricating a central body; 2-prefabricating a prestressed beam; 3-prefabricating a connecting piece; 5, reserving holes at the bottom of the precast beam; 6-reserving holes at the tops of the precast beams; 7-preparing a hole reserved at the bottom of the central body; 8-preparing a hole on the top of the central body; 9-converting the precast slab; 10-precast pile; 11-prefabricated central body support assembly; 12-interface; 13-foundation drilling; 14-prestressed anchor bolts; 15-high-strength grouting structure in foundation soil; 16-post-cast strip structure; 17-anchor bolt assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Examples
The embodiment provides a fully-assembled wind generating set foundation and a wind generating set; referring to fig. 1 to 6, fig. 1 is a schematic plan structure view of a fully-assembled wind turbine foundation provided in this embodiment, and fig. 2 is a schematic elevation structure view of the fully-assembled wind turbine foundation provided in this embodiment; FIG. 3 is an enlarged left-hand side view of the fully assembled wind turbine foundation of FIG. 2; FIG. 4 is an enlarged view of a connection portion of the prefabricated central body and the prefabricated prestressed girder shown in FIG. 2; fig. 5 and 6 are schematic structural views of the anchoring device provided in the present embodiment, in which fig. 5 shows a structure of a precast pile, and fig. 6 shows a structure of a prestressed anchor bolt.
Referring to fig. 1 to 6, the fully-assembled wind turbine foundation provided in this embodiment is used for a wind turbine generator system, and relates to the technical field of wind power generation civil engineering; the fully assembled wind generating set foundation comprises a prefabricated central body 1 and a plurality of prefabricated prestressed beams 2.
The plurality of pre-fabricated prestressed beams 2 are all arranged on the periphery of the pre-fabricated central body 1, and the pre-fabricated central body 1 is connected with the pre-fabricated prestressed beams 2 through the pre-fabricated connecting pieces 3. Optionally, the prefabricated central body 1 and the prefabricated prestressed beam 2 are detachably connected through a prefabricated connecting piece 3. Optionally, the prefabricated connecting elements 3 are pre-stressed cables or other structures.
The precast prestressed beam 2 is connected with an anchoring device for connecting with foundation soil; the pre-stressed beam 2 is firmly fixed on the foundation soil through an anchoring device.
An anchor bolt assembly 17 for connecting the upper tower is provided in the prefabricated central body 1. The anchor bolt assembly 17 is connected to the foundation soil through the prefabricated central body support assembly 11.
Alternatively, the pre-stressed girder 2 is a pre-stressed concrete girder.
Optionally, transverse ribs and vertical ribs are arranged in the pre-stressed girder 2 to reinforce the pre-stressed girder 2.
The fully-assembled wind generating set foundation in the embodiment comprises a prefabricated central body 1, a plurality of prefabricated prestressed beams 2, prefabricated connecting pieces 3, anchoring devices and anchor bolt assemblies 17, wherein the prefabricated central body can be prefabricated through each structural piece and then assembled on a construction site, the advantages of an assembled structure are fully utilized, the structure is reasonable in stress form, and the force transmission path is clear; compared with the existing gravity type foundation, the fully-assembled wind generating set foundation has the advantages that the foundation volume is relatively small, the material consumption is saved, the on-site construction efficiency is high, and the construction quality is easy to control.
In the embodiment, the fully-assembled wind generating set foundation supports the wind generating set ground structure through the anchor bolt component 17 and the prefabricated central body 1, and the wind generating set ground structure is supported in an auxiliary mode through interaction of the prefabricated prestressed beams 2, the anchoring devices and the foundation soil.
Referring to fig. 1, in an alternative to this embodiment, the prefabricated central body 1 comprises a plurality of prefabricated central structures.
In the circumferential direction of the prefabricated central body 1, a plurality of prefabricated central structures are encircled to form the prefabricated central body 1. The prefabricated central body 1 is formed by surrounding and splicing a plurality of prefabricated central structures on a construction site, so that the prefabrication processing and transportation of the prefabricated central body 1 are facilitated.
Optionally, the number of prefabricated central structures is 3-6; for example the number of prefabricated central structures is 3, 4 or 6 etc.
In an alternative of this embodiment, a post-cast strip structure 16 is provided at the splicing seam between two adjacent prefabricated central structures. The post-cast strip structure 16 is used for reinforcing the connection strength between two adjacent prefabricated central structures, thereby reinforcing the strength of the prefabricated central body 1.
Optionally, a central structure connection passing through the post-cast strip structure 16 is connected between two adjacent prefabricated central structures. The connecting strength between two adjacent prefabricated central structures is further enhanced through the central structure connecting pieces, and further the strength of the prefabricated central body 1 is enhanced.
Optionally, the post-cast strip structure 16 is formed by high-strength grouting; the assembly joint between two adjacent prefabricated central structures is filled through the high-strength grouting material so as to improve the connection strength between the two adjacent prefabricated central structures.
Optionally, the central structure connector is a screw or a steel bar, or other structure; the screws or reinforcing bars extend in the circumferential direction of the prefabricated central body 1. That is, two adjacent prefabricated central structures are connected through a circumferential screw or a circumferential steel bar.
For example, two adjacent prefabricated central structures of the prefabricated central body 1 are connected through steel bars pre-embedded in the prefabricated central structures, and then the butt joints are filled with high-strength grouting and formed into a post-cast strip structure 16.
Referring to fig. 1, in an alternative to this embodiment, the prefabricated central body 1 is an annular column.
In the axial direction perpendicular to the prefabricated central body 1, the cross section of the outer wall surface of the prefabricated central body 1 is a regular polygon, and the cross section of the inner wall surface of the prefabricated central body 1 is a circle; that is, the prefabricated central body 1 is in a hollow ring shape, the inner wall surface of the prefabricated central body 1 forms a hollow cylinder, and the outer wall surface of the prefabricated central body 1 forms a regular polygonal cylinder. The cross section of the outer wall surface of the prefabricated central body 1 is a regular polygon, so that the prefabricated central body 1 is conveniently connected with the prefabricated prestressed beam 2.
Referring to fig. 1-4, in an alternative embodiment, the prefabricated connecting members 3 are distributed on the bottom and top surfaces of the prefabricated prestressed girder 2, and the connecting area of the prefabricated connecting members 3 with the prefabricated central body 1 is kept away from the anchor bolt assemblies 17.
Optionally, each pre-stressed girder 2 is provided with a pre-girder bottom prepared hole 5 and a pre-girder top prepared hole 6.
The prefabricated central body 1 is provided with a prefabricated central body bottom preformed hole 7 and a prefabricated central body top preformed hole 8.
One prefabricated connecting piece 3 is sequentially inserted into the prefabricated central body bottom preformed hole 7 and the prefabricated beam bottom preformed hole 5, and the other prefabricated connecting piece 3 is sequentially inserted into the prefabricated central body top preformed hole 8 and the prefabricated beam top preformed hole 6 so as to fasten the prefabricated central body 1 and the prefabricated prestressed beam 2 and guarantee that the prefabricated prestressed beam 2 is in a stressed state during the service period of the fully assembled wind generating set foundation. That is, precast beam bottom preformed hole 5 corresponds to the position of precast central body bottom preformed hole 7, and precast beam top preformed hole 6 corresponds to the position of precast central body top preformed hole 8.
For example, the prefabricated connecting member 3 is anchored at both ends thereof with anchors, respectively, so that the prefabricated connecting member 3 fastens the prefabricated central body 1 and the prefabricated prestressed girder 2.
The interface 12 shown in fig. 4 is the connecting surface of the prefabricated central body 1 and the prefabricated prestressed girder 2.
Referring to fig. 2 and 3, in an alternative embodiment, the pre-stressed girders 2 have a trapezoidal cross-section in the axial direction of the pre-fabricated central body 1.
The length of the bottom side of the section of the precast prestressed beam 2 is larger than that of the top side of the section of the precast prestressed beam 2, and the bottom side of the section of the precast prestressed beam 2 is connected with the precast central body 1. That is, the side surface of the precast prestressed girder 2 is an inclined surface and a gradual surface, and the distance between the side surface of the precast prestressed girder 2 and the precast central body 1 is the largest at the bottom and the smallest at the top. It will be understood by those skilled in the art that the cross-section of the pre-stressed girders 2 may also take other shapes, such as rectangular, etc., in the axial direction of the pre-fabricated central body 1.
Referring to fig. 1-6, in an alternative embodiment, the anchoring device includes a precast pile 10 or a prestressed anchor bolt 14; the precast pile 10 or the prestressed anchor bolt 14 can be selected according to the load and the geological condition. Fig. 5 shows the precast pile 10 connected with the precast prestressed girder 2; fig. 6 shows that the prestressed anchor bolt 14 is connected with the prestressed precast girders 2.
Optionally, one or more of the far end, the middle part or the near end of the precast prestressed girder 2 is provided with an anchoring device; wherein, the far end of the precast prestressed beam 2 is the end of the precast prestressed beam 2 far away from the precast central body 1. The anchoring devices are arranged at one or more of the far end, the middle part or the near end of the prefabricated prestressed beam 2, so that the prefabricated prestressed beam 2 is firmly fixed on foundation soil, and the bearing capacity and the rigidity of the fully-assembled wind generating set foundation are further improved.
Optionally, when the prestressed anchor bolt 14 is used, a foundation borehole 13 is formed in the foundation soil, the prestressed anchor bolt 14 is inserted into the foundation borehole 13, and then high-strength grouting is poured to form a high-strength grouting structure 15 in the foundation soil.
In an alternative of this embodiment, the anchoring device is connected to the pre-stressed girder 2 by a conversion precast slab 9.
The conversion precast slab 9 is provided with a precast slab preformed hole connected with the precast prestressed beam 2, and the precast prestressed beam 2 is provided with a precast beam preformed hole corresponding to the precast slab preformed hole; and steel pull rods or high-strength steel bars sequentially penetrate through the preformed holes of the precast slabs and the preformed holes of the precast beams so as to connect the conversion precast slabs 9 and the precast prestressed beams 2.
The conversion prefabricated plate 9 is connected with the anchoring device through a steel bar. The connection of the conversion prefabricated panels 9 with the anchoring device is reinforced by steel bars.
The embodiment also provides a wind generating set which comprises the fully-assembled wind generating set foundation and a tower connected with the anchor bolt component 17. The wind generating set can be prefabricated through all structural parts of the fully-assembled wind generating set foundation and then assembled and completed on a construction site, the advantages of the assembled structure are fully utilized, the structure stress form is reasonable, the force transmission path is clear, the foundation volume is relatively small, the material consumption is saved, the on-site construction efficiency is high, and the construction quality is easy to control.
The wind generating set provided by the embodiment comprises the fully assembled wind generating set foundation, the technical characteristics of the fully assembled wind generating set foundation disclosed above are also applicable to the wind generating set, and the technical characteristics of the fully assembled wind generating set foundation disclosed above are not described repeatedly. The wind generating set in the embodiment has the advantages of the fully assembled wind generating set foundation, and the advantages of the fully assembled wind generating set foundation disclosed above are not described repeatedly herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fully assembled wind generating set foundation is characterized by comprising a prefabricated central body (1) and a plurality of prefabricated prestressed beams (2);
the precast prestressed beams (2) are all arranged on the periphery of the precast central body (1), and the precast central body (1) is connected with the precast prestressed beams (2) through precast connecting pieces (3);
the precast prestressed beam (2) is connected with an anchoring device used for being connected with foundation soil;
an anchor bolt assembly (17) used for connecting an upper tower barrel is arranged in the prefabricated central body (1).
2. A fully assembled wind park foundation according to claim 1, wherein said prefabricated central body (1) comprises a plurality of prefabricated central structures;
and a plurality of prefabricated central structures are encircled to form the prefabricated central body (1) along the circumferential direction of the prefabricated central body (1).
3. The fully assembled wind turbine foundation of claim 2, wherein a post-cast strip structure (16) is arranged at the assembly joint between two adjacent prefabricated central structures;
and a central structure connecting piece penetrating through the post-cast strip structure (16) is connected between every two adjacent prefabricated central structures.
4. The fully assembled wind turbine foundation of claim 3, wherein the post-cast strip structure (16) is cast in a high-strength grout;
the central structure connecting piece is a screw or a steel bar; the screw or the reinforcing steel bar extends along the circumferential direction of the prefabricated central body (1).
5. A fully assembled wind park foundation according to claim 2, wherein said prefabricated central body (1) is an annular column;
in the axial direction perpendicular to the prefabricated central body (1), the section of the outer wall surface of the prefabricated central body (1) is a regular polygon, and the section of the inner wall surface of the prefabricated central body (1) is a circle;
the number of the prefabricated central structures is 3-6;
the precast prestressed beam (2) is a precast prestressed concrete beam;
the prefabricated connecting piece (3) is a prestressed cable;
and transverse ribs and vertical ribs are arranged in the precast prestressed beam (2).
6. A fully assembled wind power plant foundation according to any of claims 1-5, wherein each of said pre-stressed girders (2) is provided with a pre-girder bottom preformed hole (5) and a pre-girder top preformed hole (6);
the prefabricated central body (1) is provided with a prefabricated central body bottom preformed hole (7) and a prefabricated central body top preformed hole (8);
one prefabricated connecting piece (3) are sequentially spliced prefabricated central body bottom preformed hole (7) and precast beam bottom preformed hole (5), another prefabricated connecting piece (3) are sequentially spliced prefabricated central body top preformed hole (8) and precast beam top preformed hole (6) to fasten prefabricated central body (1) and precast prestressed beam (2).
7. A fully assembled wind park foundation according to any of the claims 1-5, wherein the pre-fabricated pre-stressed beams (2) have a trapezoidal cross-section in the axial direction of the pre-fabricated central body (1);
the length of the bottom side of the section of the precast prestressed beam (2) is larger than that of the top side of the section of the precast prestressed beam (2), and the bottom side of the section of the precast prestressed beam (2) is connected with the precast central body (1).
8. A fully assembled wind park foundation according to any of the claims 1-5, wherein said anchoring means comprise a precast pile (10) or a pre-stressed anchor bolt (14);
and/or the anchoring device is arranged at one or more of the far end, the middle part or the near end of the precast prestressed beam (2); wherein, the far end of the precast prestressed beam (2) is the end of the precast prestressed beam (2) far away from the precast central body (1).
9. The fully assembled wind power plant foundation according to claim 8, wherein said anchoring means are connected to said pre-stressed beams (2) by means of conversion pre-fabricated panels (9);
the conversion precast slab (9) is provided with a precast slab preformed hole, and the precast prestressed beam (2) is provided with a precast beam preformed hole corresponding to the precast slab preformed hole; steel pull rods or high-strength steel bars sequentially penetrate through the precast slab preformed holes and the precast beam preformed holes to connect the conversion precast slabs (9) and the precast prestressed beams (2);
the conversion precast slab (9) is connected with the anchoring device through a steel bar.
10. A wind park comprising a fully assembled wind park foundation according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121701234.0U CN215367377U (en) | 2021-07-26 | 2021-07-26 | Fully-assembled wind generating set foundation and wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121701234.0U CN215367377U (en) | 2021-07-26 | 2021-07-26 | Fully-assembled wind generating set foundation and wind generating set |
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| CN215367377U true CN215367377U (en) | 2021-12-31 |
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| CN202121701234.0U Expired - Fee Related CN215367377U (en) | 2021-07-26 | 2021-07-26 | Fully-assembled wind generating set foundation and wind generating set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305946A (en) * | 2022-04-27 | 2022-11-08 | 四川电力设计咨询有限责任公司 | Mountain area built on stilts rib beam fan basis |
| WO2023184712A1 (en) * | 2022-04-02 | 2023-10-05 | 中国华能集团清洁能源技术研究院有限公司 | Prefabricated wind turbine generator system foundation |
| WO2024078329A1 (en) * | 2022-10-10 | 2024-04-18 | 上海风领新能源有限公司 | Lifting type tower barrel foundation, prefabricated module, and wind vane tower barrel |
-
2021
- 2021-07-26 CN CN202121701234.0U patent/CN215367377U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184712A1 (en) * | 2022-04-02 | 2023-10-05 | 中国华能集团清洁能源技术研究院有限公司 | Prefabricated wind turbine generator system foundation |
| CN115305946A (en) * | 2022-04-27 | 2022-11-08 | 四川电力设计咨询有限责任公司 | Mountain area built on stilts rib beam fan basis |
| WO2024078329A1 (en) * | 2022-10-10 | 2024-04-18 | 上海风领新能源有限公司 | Lifting type tower barrel foundation, prefabricated module, and wind vane tower barrel |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |