CN117027041A - Fan foundation and wind generating set - Google Patents
Fan foundation and wind generating set Download PDFInfo
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- CN117027041A CN117027041A CN202310892433.1A CN202310892433A CN117027041A CN 117027041 A CN117027041 A CN 117027041A CN 202310892433 A CN202310892433 A CN 202310892433A CN 117027041 A CN117027041 A CN 117027041A
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- stone
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- cushion layer
- foundation
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- 230000002787 reinforcement Effects 0.000 claims abstract description 109
- 239000004575 stone Substances 0.000 claims abstract description 98
- 229910000831 Steel Inorganic materials 0.000 abstract description 26
- 239000010959 steel Substances 0.000 abstract description 26
- 238000010276 construction Methods 0.000 abstract description 23
- 238000005516 engineering process Methods 0.000 abstract 2
- 102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- 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
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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 application relates to a fan foundation and a wind generating set. The fan foundation comprises a cushion layer, a first steel reinforcement cage, a plurality of second steel reinforcement cages, a plurality of stone blocks and a concrete foundation, wherein the first steel reinforcement cages axially extend along the cushion layer, the second steel reinforcement cages radially extend along the cushion layer, the second steel reinforcement cages are connected with the first steel reinforcement cages, the stone blocks are arranged on the cushion layer, the stone blocks are arranged between two adjacent second steel reinforcement cages, and the concrete foundation is arranged on the cushion layer and wraps the first steel reinforcement cages, the second steel reinforcement cages and the stone blocks. The stone block group of the fan foundation provided by the embodiment of the application has certain mass and volume, ensures the design strength of the fan foundation, can cancel the binding steel bars between the adjacent rib beams in the related technology compared with the rib beam type fan foundation in the related technology, can effectively reduce the pouring dosage of concrete between the adjacent rib beams, reduces the construction difficulty compared with the rib beam type fan foundation, ensures the construction quality, shortens the construction period, and has better economy and practicability.
Description
Technical Field
The application relates to the technical field of wind power generation, in particular to a fan foundation and a wind power generator set.
Background
The fan foundation is a base of the fan tower barrel and bears the whole weight of the fan tower barrel, and all stress conditions including the conditions of supporting, anti-seismic, strong wind resistance and the like are borne on the base. The land fan foundation forms are commonly provided with an expansion foundation, a ribbed beam expansion foundation, a pile foundation and the like, the foundation shape is mainly round, and the diameter of the foundation bottom surface is different from tens meters to twenty meters. With the continuous increase of the capacity of the fan, the fan foundation is increased, the dosage of concrete and steel bars of the traditional expanded foundation is greatly increased, and the ribbed beam foundation can effectively reduce the dosage of concrete and steel bars, but has the problems of complex construction, long construction period and the like.
Disclosure of Invention
The present application aims to solve at least one of the technical problems in the related art to some extent. Therefore, compared with the rib beam type fan foundation in the related art, the embodiment of the application provides the fan foundation, the binding steel bars between the adjacent rib beams in the related art can be canceled, the casting consumption of concrete between the adjacent rib beams can be effectively reduced, in addition, the hidden beam is formed without a supporting die, the construction difficulty is reduced compared with the rib beam type fan foundation, the construction quality is ensured, the construction period is shortened, and the hidden beam type fan foundation has better economical efficiency and practicability.
The embodiment of the application also provides a wind generating set.
The fan foundation of the embodiment of the application comprises:
a cushion layer;
the first reinforcement cage extends along the axial direction of the cushion layer, and is arranged in the middle of the cushion layer;
the second reinforcement cages extend along the radial direction of the cushion layer, and are connected with the first reinforcement cages;
the stone groups are arranged on the cushion layer and are positioned between two adjacent second reinforcement cages; and
and the concrete foundation is arranged on the cushion layer and wraps the first reinforcement cage, the second reinforcement cage and the stone block group.
According to the embodiment of the application, the second reinforcement cage and the concrete part corresponding to the second reinforcement cage are bound to form the hidden beams after concrete is poured, and the stone groups are paved between the adjacent hidden beams, so that the design strength of the fan foundation is ensured, meanwhile, compared with the rib beam type fan foundation in the related art, the reinforcement binding between the adjacent rib beams can be canceled, the pouring dosage of concrete between the adjacent rib beams can be effectively reduced, in addition, a supporting die is not required for forming the hidden beams, the construction difficulty is reduced compared with the rib beam type fan foundation, the construction quality is ensured, the construction period is shortened, and the fan foundation has good economical efficiency and practicability.
In some embodiments, a plurality of the second reinforcement cages are equally spaced apart along the circumference of the first reinforcement cage.
In some embodiments, the number of second reinforcement cages is eight.
In some embodiments, the mass and volume of a plurality of said stone groups are equal.
In some embodiments, the set of stones includes a first stone and a second stone, the first stone having a mass greater than a mass of the second stone, the second stone being located on a side of the first stone adjacent the first reinforcement cage in a radial direction of the first reinforcement cage.
In some embodiments, the first stone block and the second stone block are radially spaced apart from each other in the radial direction of the first reinforcement cage.
In some embodiments, the first stones of the plurality of stone groups are identical in shape, and the first stones are equal in distance from two adjacent second reinforcement cages in the circumferential direction of the first reinforcement cages.
In some embodiments, the second stones of the plurality of stone groups are identical in shape, and the second stones are equal in distance from two adjacent second reinforcement cages in the circumferential direction of the first reinforcement cages.
In some embodiments, the first stone block is rectangular block shaped and the second stone block is rectangular block shaped.
The wind generating set provided by the embodiment of the application comprises the fan foundation of any embodiment.
The wind generating set disclosed by the embodiment of the application has the advantages of low construction difficulty, shortened construction period, reduced consumption of steel bars and concrete, and better economy and practicability.
Drawings
FIG. 1 is a schematic view of one of the mat layers, first reinforcement cages, second reinforcement cages, and stone groups of a fan foundation according to an embodiment of the present application;
FIG. 2 is a second schematic view of the structure of the bedding layer, first reinforcement cage, second reinforcement cage and stone set of the fan foundation of the embodiment of the present application;
FIG. 3 is a third schematic view of the structure of the bedding layer, first reinforcement cage, second reinforcement cage and stone set of the fan foundation of the embodiment of the present application;
fig. 4 is a schematic structural view of a fan foundation according to an embodiment of the present application.
Reference numerals:
a fan foundation 100;
cushion 1, first steel reinforcement cage 2, second steel reinforcement cage 3, stone group 4, first stone 41, second stone 42, concrete foundation 5.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
As shown in fig. 1 to 4, a fan foundation 100 of an embodiment of the present application includes a mat layer 1, a first reinforcement cage 2, a plurality of second reinforcement cages 3, a plurality of stone groups 4, and a concrete foundation 5. The first reinforcement cage 2 extends along an axial direction (e.g., up-down direction in fig. 1) of the mat 1, and the first reinforcement cage 2 is provided in a middle portion of the mat 1. The second reinforcement cage 3 extends along the radial direction of the cushion layer 1, and the second reinforcement cage 3 is connected with the first reinforcement cage 2. The stone block group 4 is arranged on the cushion layer 1, and the stone block group 4 is positioned between two adjacent second reinforcement cages 3. The concrete foundation is arranged on the cushion layer 1 and wraps the first steel reinforcement cage 2, the second steel reinforcement cage 3 and the stone block group 4.
The construction process of the fan foundation 100 according to the embodiment of the present application: excavating a foundation pit, pouring construction at the bottom of the foundation pit to form a cushion layer 1, paving a first reinforcement cage 2 in the middle of the cushion layer 1 along the up-down direction, then paving a second reinforcement cage 3 along the radial binding of the first reinforcement cage 2, connecting the first reinforcement cage 2 and a plurality of second reinforcement cages 3, then hoisting a stone group 4 between the adjacent second reinforcement cages 3, finally performing concrete pouring on the whole, and forming a concrete foundation 5 after concrete forming, namely completing the construction of the fan foundation 100.
According to the fan foundation 100 disclosed by the embodiment of the application, the second reinforcement cages 3 and the concrete parts corresponding to the second reinforcement cages 3 are bound to form the hidden beams after concrete is poured, the stone groups 4 are paved between the adjacent hidden beams, the stone groups 4 have a certain mass and volume, the design strength of the fan foundation 100 is ensured, meanwhile, compared with the rib-beam type fan foundation in the related art, the steel bars bound between the adjacent rib beams can be canceled, the binding workload of the steel bars is reduced, the pouring dosage of the concrete between the adjacent rib beams can be effectively reduced, the cost of the fan foundation 100 is reduced, in addition, the hidden beams are formed without supporting dies, the construction difficulty is reduced compared with the rib-beam type fan foundation, the construction quality is ensured, the construction period is shortened, and the fan foundation has better economy and practicability.
In order to make the solution of the present application easier to understand, an example will be described with reference to fig. 1 to 4, in which the axial direction of the first reinforcement cage 2 is the same as the up-down direction.
The fan foundation 100 of the embodiment of the present application includes a mat layer 1, a first reinforcement cage 2, a plurality of second reinforcement cages 3, a plurality of stone groups 4, and a concrete foundation 5.
The first steel reinforcement cage 2 extends along the axial direction of the cushion layer 1, the first steel reinforcement cage 2 is arranged in the middle of the cushion layer 1, and the first steel reinforcement cage 2 and the cushion layer 1 are coaxially arranged. The second reinforcement cage 3 extends in the radial direction of the mat 1, that is, the second reinforcement cage 3 extends in the radial direction of the first reinforcement cage 2, and one end (inner end) of the second reinforcement cage 3 in the extending direction thereof is connected to the first reinforcement cage 2.
The plurality of second reinforcement cages 3 are equally spaced apart along the circumference of the first reinforcement cage 2. The plurality of second reinforcement cages 3 are uniformly distributed along the circumferential direction of the first reinforcement cage 2, so that the bearing strength of the fan foundation 100 is uniformly distributed, the fan foundation 100 can bear external loads in different directions, and the capacity of the fan foundation 100 for resisting the external loads is improved.
Further, the number of second reinforcement cages 3 is eight. In the construction process of the fan foundation 100, the cushion layer 1 is subjected to octant division before the second reinforcement cage 3 is bound, and the second reinforcement cage 3 is bound according to the octant division. Accordingly, the number of stone groups 4 is eight.
In other embodiments, the number of second reinforcement cages 3 is ten, twelve, fourteen or sixteen.
The stone block group 4 is arranged on the cushion layer 1, and the stone block group 4 is positioned between two adjacent second reinforcement cages 3. The concrete foundation 5 is arranged on the cushion layer 1 and wraps the first reinforcement cage 2, the second reinforcement cage 3 and the stone group 4. The stone group 4 has certain mass and volume, and can replace reinforced steel bars and concrete to increase the dead weight and strength of the fan foundation 100, thereby reducing the consumption of the reinforced steel bars and the concrete of the fan foundation 100 and lowering the cost and the construction difficulty of the fan foundation 100.
Further, the mass and the volume of the plurality of stone groups 4 are equal, so that the concrete foundation 5 is distributed on the cushion layer 1 uniformly, the situation that the local bearing capacity of the fan foundation 100 is weak is avoided, the bearing strength of the fan foundation 100 is distributed uniformly, the fan foundation 100 can bear external loads in different directions, and the capacity of the fan foundation 100 for resisting the external loads is improved.
Further, the stone group 4 includes a first stone 41 and a second stone 42, the mass of the first stone 41 being greater than the mass of the second stone 42, the volume of the first stone 41 being greater than the volume of the second stone 42, the second stone 42 being located on a side of the first stone 41 adjacent to the first reinforcement cage 2 in the radial direction of the first reinforcement cage 2. The space between the adjacent second reinforcement cages 3 is fan-shaped, the size of one end (inner end) of the fan-shaped space adjacent to the first reinforcement cage 2 is small, the size of one end (outer end) of the fan-shaped space, which is away from the first reinforcement cage 2, is large, the second stone 42 is positioned on the side, adjacent to the first reinforcement cage 2, of the first stone 41, the shape of the fan-shaped space is met, the fan-shaped space between the adjacent second reinforcement cages 3 is fully utilized, and the usage amount of reinforcement and concrete is further reduced.
In some embodiments, the first stone 41 and the second stone 42 are spaced apart in the radial direction of the first reinforcement cage 2, and the space between the first stone 41 and the second stone 42 is filled with concrete, increasing the contact area of the stone group 4 with the concrete foundation 5, and increasing the integrity of the stone group 4 with the concrete foundation 5.
In some embodiments, the shapes of the first stones 41 of the plurality of stone groups 4 are the same, and the distances between the first stones 41 and the adjacent two second reinforcement cages 3 in the circumferential direction of the first reinforcement cages 2 are equal, that is, the first stones 41 of the plurality of stone groups 4 are distributed at equal intervals along the circumferential direction of the first reinforcement cages 2, so that the uniformity of the distribution of the concrete foundation 5 on the cushion layer 1 is further improved, the situation that the local bearing capacity of the fan foundation 100 is weaker is further avoided, the bearing strength of the fan foundation 100 is further distributed uniformly, the fan foundation 100 can bear external loads in different directions, and the capability of the fan foundation 100 for resisting the external loads is further improved.
In some embodiments, the second stones 42 of the plurality of stone groups 4 are identical in shape, and the distances between the second stones 42 and the adjacent two second reinforcement cages 3 in the circumferential direction of the first reinforcement cages 2 are equal, that is, the second stones 42 of the plurality of stone groups 4 are distributed at equal intervals along the circumferential direction of the first reinforcement cages 2, so that the bearing strength of the fan foundation 100 is uniformly distributed, the external load which the fan foundation 100 can bear is further uniformly distributed, the fan foundation 100 can bear external loads in different directions, and the capability of the fan foundation 100 against the external load is further improved.
In some embodiments, the first stone 41 is rectangular block, and the second stone 42 is rectangular block, and the rectangular block has a simple structure and is easy to manufacture, so that the manufacturing cost of the first stone 41 and the second stone 42 can be reduced.
The following describes a wind turbine generator set according to an embodiment of the present application.
The wind turbine generator system of an embodiment of the present application includes the wind turbine foundation 100 of any of the embodiments described above. Therefore, the wind generating set disclosed by the embodiment of the application has the advantages of low construction difficulty, shortened construction period, reduced consumption of steel bars and concrete, and better economy and practicability.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
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 application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular 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 application. 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.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. A fan foundation, comprising:
a cushion layer (1);
the first reinforcement cage (2) extends along the axial direction of the cushion layer (1), and the first reinforcement cage (2) is arranged in the middle of the cushion layer (1);
the second reinforcement cages (3) extend along the radial direction of the cushion layer (1), and the second reinforcement cages (3) are connected with the first reinforcement cages (2);
the stone groups (4) are arranged on the cushion layer (1), and the stone groups (4) are positioned between two adjacent second reinforcement cages (3); and
the concrete foundation (5), the concrete foundation (5) is arranged on the cushion layer (1) and wraps the first reinforcement cage (2), the second reinforcement cage (3) and the stone block group (4).
2. Fan foundation according to claim 1, characterized in that a plurality of the second reinforcement cages (3) are equally spaced along the circumference of the first reinforcement cage (2).
3. Fan foundation according to claim 2, characterized in that the number of second reinforcement cages (3) is eight.
4. Fan foundation according to claim 2, characterized in that the mass and volume of a plurality of said stone groups (4) are equal.
5. Fan foundation according to claim 4, characterized in that the stone group (4) comprises a first stone (41) and a second stone (42), the mass of the first stone (41) being greater than the mass of the second stone (42), the second stone (42) being located on the side of the first stone (41) adjacent to the first reinforcement cage (2) in the radial direction of the first reinforcement cage (2).
6. Fan foundation according to claim 5, characterized in that between the first stone (41) and the second stone (42) is spaced apart in the radial direction of the first reinforcement cage (2).
7. Fan foundation according to claim 5, characterized in that the first stones (41) of the plurality of stone groups (4) are identical in shape, the first stones (41) being equidistant in the circumferential direction of the first reinforcement cage (2) from the adjacent two second reinforcement cages (3).
8. Fan foundation according to claim 5, characterized in that the second stones (42) of the plurality of stone groups (4) are identical in shape, the second stones (42) being equidistant from adjacent two second reinforcement cages (3) in the circumferential direction of the first reinforcement cages (2).
9. Fan foundation according to claim 5, characterized in that the first stone (41) is rectangular block-shaped and the second stone (42) is rectangular block-shaped.
10. A wind power plant comprising a wind turbine foundation according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310892433.1A CN117027041A (en) | 2023-07-19 | 2023-07-19 | Fan foundation and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310892433.1A CN117027041A (en) | 2023-07-19 | 2023-07-19 | Fan foundation and wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117027041A true CN117027041A (en) | 2023-11-10 |
Family
ID=88628881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310892433.1A Pending CN117027041A (en) | 2023-07-19 | 2023-07-19 | Fan foundation and wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117027041A (en) |
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2023
- 2023-07-19 CN CN202310892433.1A patent/CN117027041A/en active Pending
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