CN114576098A - Foundation prefabricated part, wind generating set foundation and wind generating set - Google Patents
Foundation prefabricated part, wind generating set foundation and wind generating set Download PDFInfo
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- CN114576098A CN114576098A CN202210293724.4A CN202210293724A CN114576098A CN 114576098 A CN114576098 A CN 114576098A CN 202210293724 A CN202210293724 A CN 202210293724A CN 114576098 A CN114576098 A CN 114576098A
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- hole
- foundation
- base plate
- column
- generating set
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
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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
Abstract
The invention provides a foundation prefabricated part, a wind generating set foundation and a wind generating set. The base prefabricated member comprises a base plate, a stand column and a rib beam which are integrally formed, reinforcing steel bars are arranged in the base plate, the stand column and the rib beam, the base plate is arranged on the outer peripheral side of the stand column, the stand column is provided with an outer peripheral surface, the base plate is provided with a first surface and a second surface which are oppositely arranged, a step groove is limited by the outer peripheral surface and the first surface of the stand column, the rib beam is arranged in the step groove and connected with the base plate and the stand column, the base plate is provided with a first hole and a second hole, the first hole and the second hole are arranged at intervals along the circumferential direction of the stand column, the rib beam is positioned between the first hole and the second hole, the first hole penetrates through the side face and the first surface of the base plate, and the second hole penetrates through the other side face and the first surface of the base plate. The foundation prefabricated member has the advantages of convenience in forming the foundation of the wind generating set, high material utilization rate and improvement of working efficiency.
Description
Technical Field
The invention relates to the technical field of onshore wind power foundations, in particular to a foundation prefabricated member, a wind generating set foundation and a wind generating set.
Background
In the related technology, the wind generating set foundation is constructed by connecting with a tower frame of the wind generating set, the wind generating set foundation is of a large-volume reinforced concrete structure, the consumption of concrete and steel bars is large, and the utilization rate of materials is low. And the wind power foundation is cast-in-place construction, the construction period is long, and the quality control difficulty is high.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the invention provides a foundation prefabricated member, a wind generating set foundation and a wind generating set.
The base prefabricated member comprises a base plate, a column and a rib beam which are integrally formed, wherein reinforcing steel bars are arranged in the base plate, the column and the rib beam, the base plate is arranged on the outer peripheral side of the column, the column is provided with an outer peripheral surface, the base plate is provided with a first surface and a second surface which are oppositely arranged, a step groove is limited on the outer peripheral surface of the column and the first surface, the rib beam is arranged in the step groove and connected with the base plate and the column, the base plate is provided with a first hole and a second hole, the first hole and the second hole are arranged at intervals along the circumferential direction of the column, the rib beam is positioned between the first hole and the second hole, the first hole penetrates through the side surface of the base plate and the first surface, the second hole penetrates through the other side surface of the base plate and the first surface, or the first hole penetrates through the side surface of the base plate and the first surface, the second hole penetrates through the other side surface of the bottom plate and the second surface.
Therefore, the base prefabricated member provided by the embodiment of the invention has the advantages of convenience in forming the wind generating set base, high material utilization rate and improvement on working efficiency.
In some embodiments, the rib beam is provided with a prepared hole, the prepared hole penetrates through the rib beam along the circumferential direction of the column, and the outer circumferential surface of part of the column forms the hole wall of the prepared hole.
In some embodiments, the rib has a height dimension that gradually decreases in a direction away from the column, and the rib is provided in plurality and spaced apart from the column in a circumferential direction of the column.
In some embodiments, the first hole penetrates through the side surface and the first surface of the base plate, the second hole penetrates through the other side surface and the first surface of the base plate, the first hole and the second hole are arc-shaped holes, and the radian of the first hole is consistent with that of the second hole.
The base prefabricated member comprises a first cushion block and a second cushion block, wherein the first cushion block and the second cushion block are arranged on the first surface, the first cushion block corresponds to the first hole, the first hole penetrates through the first cushion block, the second cushion block corresponds to the second hole, and the second hole penetrates through the second cushion block.
In some embodiments, the pillar has a first side surface and a second side surface, the first side surface and the second side surface are oppositely arranged along the circumferential direction of the pillar, and a plurality of grooves are arranged on the first side surface and/or the second side surface and are arranged at intervals along the height direction of the pillar.
The invention further provides a wind generating set foundation which comprises a foundation body, wherein the foundation body is annular and comprises a plurality of prefabricated parts, the prefabricated parts are the foundation prefabricated parts, and the foundation body is formed by sequentially connecting and splicing the plurality of prefabricated parts along the circumferential direction.
In some embodiments, a seam is arranged between the side surfaces of two adjacent prefabricated members, the seam is suitable for being filled with slurry, the pillar is provided with a first side surface and a second side surface, the first side surface and the second side surface are oppositely arranged along the circumferential direction of the pillar, the first side surface is provided with a plurality of first grooves, the second side surface is provided with a plurality of second grooves, the first grooves and the second grooves are in one-to-one correspondence, and the slurry is filled in the first grooves and the second grooves.
The wind generating set foundation comprises a first flange and a second flange, wherein a plurality of table posts of a plurality of prefabricated members are clamped between the first flange and the second flange, the table posts are connected with the first flange and the second flange through anchor bolts, and the table posts are provided with anchor bolt holes which are matched in the anchor bolt holes.
The invention also provides a wind generating set, which comprises a wind generating set foundation, wherein the wind generating set foundation is the wind generating set foundation.
Drawings
Fig. 1 is a top view of a wind park foundation according to an embodiment of the invention.
Fig. 2 is a cross-sectional view of a wind turbine foundation according to an embodiment of the invention.
FIG. 3 is a top view of a base preform according to an embodiment of the invention.
Fig. 4 is a cross-sectional view of a base preform according to an embodiment of the invention.
FIG. 5 is a cross-sectional view of a stage according to an embodiment of the present invention.
Fig. 6 is a cross-sectional view of a base plate according to an embodiment of the present invention.
Reference numerals:
the wind generating set foundation structure comprises a foundation prefabricated part 100, a wind generating set foundation 200, a foundation body 201 and a foundation bottom plate 202;
the bottom plate 1, the first surface 11, the second surface 12, the first hole 13, the second hole 14, the third side 15, the fourth side 16;
the platform column 2, the outer peripheral surface 21, the step groove 22, the first side surface 23, the second side surface 24, the groove 25, the first groove 251, the second groove 252, the anchor bolt hole 26 and the inner surface 27;
a rib 3, a prepared hole 31;
a first head block 41, a second head block 42;
5, slurry;
first and second flanges 61 and 62, anchor bolts 63;
and (7) a prestressed cable.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. 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.
A base preform 100 according to an embodiment of the present invention is described below with reference to the drawings. As shown in fig. 1 to 6, a foundation preform 100 according to an embodiment of the present invention includes a base plate 1, a pillar 2, and a rib 3, which are integrally formed, and reinforcing bars are provided in the base plate, the pillar, and the rib.
The base plate 1 is provided on the outer peripheral side of the column 2, and the column 2 has an outer peripheral surface 21. The base plate 1 has a first surface 11 and a second surface 12 arranged opposite to each other, the outer circumferential surface 21 of the column 2 and the first surface 11 define a stepped groove 22, and the rib 3 is provided in the stepped groove 22 and connected to the base plate 1 and the column 2. The bottom plate 1 is provided with a first hole 13 and a second hole 14, the first hole 13 and the second hole 14 are arranged at intervals along the circumferential direction of the column 2, and the rib 3 is positioned between the first hole 13 and the second hole 14. The first hole 13 penetrates the side surface of the base plate 1 and the first surface 11, and the second hole 14 penetrates the other side surface of the base plate 1 and the first surface 11, or the first hole 13 penetrates the side surface of the base plate 1 and the first surface 11, and the second hole 14 penetrates the other side surface of the base plate 1 and the second surface 12.
According to the base prefabricated member 100 provided by the embodiment of the invention, the base plate 1, the pillars 2 and the rib beams 3 are integrally formed, so that when the wind generating set base 200 needs to be prepared, a plurality of base prefabricated members 100 are sequentially connected in the circumferential direction to form the wind generating set base 200 in a split mode.
Specifically, the base plates 1 of the plurality of base prefabricated members 100 can be spliced to form a base plate 202 of the wind generating set foundation 200, the columns 2 of the plurality of base prefabricated members 100 can be spliced to form a base body 201 of the wind generating set foundation 200, and the outer peripheral surfaces 21 and the first surfaces 11 of the columns 2 limit the stepped grooves 22 so as to facilitate soil to fill the stepped grooves 22. The rib 3 is provided in the stepped groove 22 and connected to the base plate 1 and the pillars 2 to reinforce the structural strength of the foundation preform 100, thereby reinforcing the structural strength of the wind turbine foundation 200. That is to say, only need a plurality of integrated into one piece's basis prefab 100 can amalgamate the shaping wind generating set basis 200, need not the cast in situ structure of other wind generating set basis 200 to the efficiency of multiplicable setting wind generating set basis 200 reduces the engineering time. Meanwhile, the base prefabricated member 100 is manufactured in advance, so that the utilization rate of materials can be improved, the cost is saved, and the precision of the base prefabricated member 100 is convenient to control.
And the bottom plate 1 is provided with a first hole 13 and a second hole 14 penetrating through two side surfaces of the bottom plate 1, and the first hole 13 and the second hole 14 are arranged at intervals along the circumferential direction of the table column 2. Therefore, after the plurality of base prefabricated members 100 are annularly split, the connecting pieces can be used for penetrating the first holes 13 and the second holes 14 matched with the two adjacent bottom plates 1, so that the plurality of base prefabricated members 100 are connected and fastened, and the wind generating set base 200 is convenient to form.
Therefore, the foundation preform 100 according to the embodiment of the invention has the advantages of convenience in forming the wind generating set foundation 200, high material utilization rate and improvement of working efficiency.
The invention further provides a wind generating set foundation 200, as shown in fig. 1 to 6, the wind generating set foundation 200 according to the embodiment of the invention comprises a foundation body 201, the foundation body 201 is annular and comprises a plurality of prefabricated members, the prefabricated members are the foundation prefabricated members 100 according to the embodiment of the invention, and the foundation body 201 is formed by sequentially connecting and splicing the plurality of prefabricated members along the circumferential direction. The annular foundation body 201 is used for connecting with a tower of a wind generating set. For example, the height direction (axial direction) of the base body 201 is the up-down direction, which is indicated by an arrow a in fig. 2.
Therefore, the wind generating set foundation 200 according to the embodiment of the invention has the advantages of convenience in molding, high material utilization rate and improvement of working efficiency.
A wind turbine foundation 200 according to an embodiment of the present invention is specifically described below with reference to the foundation preform 100 according to an embodiment of the present invention.
The base preform 100 according to an embodiment of the present invention includes a base plate 1, pillars 2, and ribs 3, which are integrally formed. Reinforcing steel bars are arranged in the bottom plate 1, the pillars 2 and the rib beams 3 so as to improve the structural strength of the foundation prefabricated member 100.
As shown in fig. 1 to 6, a plurality of columns 2 may be sequentially connected in a circumferential direction to form a foundation body 201 of the wind turbine generator set foundation 200, and a height direction of the columns 2 is identical to a height direction of the foundation body 201. The column 2 has an inner surface 27 and an outer peripheral surface 21, the inner surface 27 of the column 2 constitutes a part of an inner wall surface of the annular base body 201, and the outer peripheral surface 21 of the column 2 constitutes a part of an outer wall surface of the annular base body 201. For example, the column 2 is a (substantially) fan-shaped annular column, the height direction (thickness direction) of the column 2 is a vertical direction, and the inner surface 27 and the outer peripheral surface 21 of the column 2 are both arc surfaces, so that a plurality of columns 2 can be sequentially joined in the circumferential direction to form the annular base body 201.
A plurality of bottom plates 1 can be sequentially connected in the circumferential direction to be spliced to form a foundation bottom plate 202 of the wind generating set foundation 200. Specifically, the base plate 1 is provided on an outer peripheral side (outer peripheral surface 21) of the column 2, the base plate 1 has a first surface 11 and a second surface 12 arranged oppositely, and the outer peripheral surface 21 and the first surface 11 of the column 2 define a step groove 22. The bottom plate 1 is arranged on the outer periphery side of the column 2 and limits the step groove 22, so that soil can be conveniently filled in the step groove 22, a groove body formed by the foundation bottom plate 202 and the foundation body 201 can be conveniently filled with soil, and the stability of the foundation 200 of the wind generating set under the ground surface can be conveniently improved. For example, the bottom plate 1 is (substantially) fan-shaped, and the height direction of the bottom plate 1 is the vertical direction. The inner wall surface and the outer wall surface of the bottom plate 1 are both arc surfaces, the first surface 11 is the upper surface of the bottom plate 1, the second surface 12 is the lower surface of the bottom plate 1, the bottom plate 1 is arranged at the lower end part of the outer side of the column 2, and the second surface 12 is coplanar with the bottom surface of the column 2.
As shown in fig. 1 to 4, the rib 3 is provided in the stepped groove 22 and connected to the base plate 1 and the column 2, whereby the structural strength of the base preform 100 can be improved. Specifically, the rib 3 has a plate shape, the inner wall surface of the rib 3 is continuous with the outer circumferential surface 21 of the column 2, and the bottom wall surface of the rib 3 is continuous with the first surface 11.
As shown in fig. 2 and 4, in some embodiments, the height dimension of the rib 3 is gradually reduced in a direction away from the column 2, thereby making the rib 3 less vulnerable to damage at a portion away from the column 2 and reducing the use of material. For example, the rib 3 is located at the right side of the column 2, and the height dimension of the rib 3 becomes gradually smaller rightward. The left-right direction is shown by arrow B in fig. 4.
In some embodiments, there are a plurality of ribs 3 per base preform 100, and the plurality of ribs 3 are spaced apart along the circumference of the column 2. Thereby further increasing the structural strength of the base preform 100. For example, there are 2 ribs 3 per base preform 100.
As shown in fig. 2, in some embodiments, the wind turbine foundation 200 according to the embodiment of the present invention includes a prestressed cable 7, and the prestressed cable 7 is annularly disposed on an outer surface (an outer circumferential surface 21 of the plurality of columns 2) of the foundation body 201, so that the plurality of columns 2 can be more stably connected. The prestressed cable 7 is provided in plurality, and the plurality of prestressed cables 7 are arranged at intervals in the height direction of the column 2. For example, the prestressed cable 7 may be a steel wire rope, and a plurality of prestressed cables 7 are arranged at intervals in the vertical direction.
As shown in fig. 2 and 4, in some embodiments, the rib 3 is provided with a prepared hole 31, the prepared hole 31 penetrates through the rib 3 along the circumferential direction of the column 2, and a part of the outer circumferential surface 21 of the column 2 forms a hole wall of the prepared hole 31. Thereby, the prestressing cable 7 can be passed through the prepared hole 31 and looped around the outer surface of the base body 201 (the outer circumferential surfaces 21 of the plurality of columns 2).
As shown in fig. 5 and 6, in some embodiments, a seam is provided between the side surfaces of two adjacent preforms (base preforms 100), that is, a seam is provided between the side surfaces of two adjacent pillars 2, and a seam is provided between the side surfaces (faces oppositely arranged along the circumferential direction of the pillars 2) of two adjacent bottom plates 1. The piece is suitable for pouring slurry 5, and the slurry 5 can enable two adjacent prefabricated members to be connected stably and improve the fault tolerance rate when the two adjacent prefabricated members are connected.
As shown in fig. 5, in some embodiments, the pillar 2 has a first side surface 23 and a second side surface 24, the first side surface 23 and the second side surface 24 are oppositely disposed along a circumferential direction of the pillar 2, a plurality of grooves 25 are disposed on the first side surface 23 and/or the second side surface 24, the plurality of grooves 25 are spaced apart along a height direction of the pillar 2, and the grooves 25 may be filled with the slurry 5 so as to increase a shear resistance of the pillar 2. The first side 23 and/or the second side 24 is provided with a plurality of grooves 25 including: a. the first side surface 23 is provided with a plurality of grooves 25; b. the second side surface 24 is provided with a plurality of grooves 25; c. the first side 23 and the second side 24 are provided with a plurality of grooves 25.
As shown in fig. 5, in some embodiments, the first side 23 is provided with a plurality of first grooves 251, the second side 24 is provided with a plurality of second grooves 252, the plurality of first grooves 251 and the plurality of second grooves 252 correspond to each other one by one, and the first grooves 251 and the second grooves 252 are filled with the slurry 5. Therefore, when two adjacent prefabricated members (base prefabricated members 100) are spliced, the first groove 251 can be opposite to the corresponding second groove 252, and after the slurry 5 is filled in the first groove 251 and the second groove 252, the slurry 5 can increase the shearing resistance of the wind generating set base 200, so that the single base prefabricated member 100 is not easy to loosen, and the wind generating set base 200 is more stable.
As shown in fig. 3 and 6, the base plate 1 is provided with first and second holes 13 and 14, the first and second holes 13 and 14 are arranged at intervals in the circumferential direction of the column 2, and the rib 3 is located between the first and second holes 13 and 14.
As shown in fig. 3 and 6, in some embodiments, a first hole 13 penetrates through a side surface and the first surface 11 of the base plate 1, a second hole 14 penetrates through the other side surface and the first surface 11 of the base plate 1, the first hole 13 and the second hole 14 are arc-shaped holes, and the arc of the first hole 13 and the arc of the second hole 14 are identical. Therefore, when two adjacent bottom plates 1 are spliced, the two adjacent bottom plates 1 can be connected by passing arc-shaped connecting pieces (bolts) through the corresponding first holes 13 and second holes 14, so that the foundation 200 of the wind generating set is more stable. For example, the first hole 13 extends through the third side 15 of the base plate 1 and the second hole 14 extends through the fourth side 16 of the base plate 1.
As shown in fig. 3 and 6, in some embodiments, the base preform 100 includes a first block 41 and a second block 42, the first block 41 and the second block 42 are disposed on the first surface 11, the first block 41 corresponds to the first hole 13, the first hole 13 penetrates the first block 41, the second block 42 corresponds to the second hole 14, and the second hole 14 penetrates the second block 42. Specifically, the faces of the first block 41 and the second block 42 facing away from the first surface 11 are inclined faces, the inclined face of the first block 41 is (substantially) perpendicular to the extending direction of the first hole 13, and the inclined face of the second block 42 is (substantially) perpendicular to the extending direction of the second block 42. Therefore, when the arc-shaped connecting piece (bolt) passes through the corresponding first hole 13 and the second hole 14, the nut is convenient to be attached to the inclined surface of the first cushion block 41 and the inclined surface of the second cushion block 42 after being in threaded connection with the end part of the arc-shaped connecting piece (bolt). For example, the upper surface of the first head block 41 and the upper surface of the second head block 42 are both inclined surfaces.
In some embodiments, a first hole 13 extends through a side of the base plate 1 and the first surface 11, and a second hole 14 extends through another side of the base plate 1 and the second surface 12. Specifically, the extending direction of the first hole 13 and the extending direction of the second hole 14 are aligned and disposed opposite to each other. Therefore, the connection between two adjacent bottom plates 1 can be completed by the column-shaped connecting pieces (bolts) passing through the corresponding first holes 13 and the second holes 14, so that the wind generating set foundation 200 is more stable.
As shown in fig. 2, a wind turbine foundation 200 according to an embodiment of the present invention includes a first flange 61 and a second flange 62, a plurality of columns 2 of a plurality of prefabricated members (foundation prefabricated members 100) are sandwiched between the first flange 61 and the second flange 62, the columns 2 are connected to the first flange 61 and the second flange 62 by anchor bolts 63, the columns 2 are provided with anchor bolt holes 26, and the anchor bolts 63 are fitted in the anchor bolt holes 26. Specifically, the anchor bolt hole 26 penetrates through the column 2 along the height direction of the column 2, the foundation body 201 has two circles of anchor bolt holes 26, the anchor bolts 63 are fitted in the anchor bolt holes 26, and two ends of the anchor bolts 63 respectively penetrate through the first flange 61 and the second flange 62 and then are in threaded connection with the nut, so that the first flange 61 and the second flange 62 clamp the column 2, and the stability of the wind generating set foundation 200 is further improved.
The invention also provides a wind generating set, which comprises the wind generating set foundation 200 according to the embodiment of the invention.
Therefore, the wind generating set according to the embodiment of the invention has the advantages of convenience in forming the wind generating set foundation 200, high material utilization rate and improvement on working efficiency.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
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 to implicitly indicate 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 explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. 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.
Although the above embodiments have been shown and described, it should be understood that they are exemplary and should not be construed as limiting the present invention, and that many changes, modifications, substitutions and alterations to the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A foundation prefabricated member is characterized by comprising a base plate, a column and a rib beam which are integrally formed, wherein reinforcing steel bars are arranged in the base plate, the column and the rib beam, the base plate is arranged on the outer peripheral side of the column, the column is provided with an outer peripheral surface, the base plate is provided with a first surface and a second surface which are oppositely arranged, a step groove is limited on the outer peripheral surface of the column and the first surface, the rib beam is arranged in the step groove and is connected with the base plate and the column, the base plate is provided with a first hole and a second hole, the first hole and the second hole are arranged at intervals along the circumferential direction of the column, the rib beam is positioned between the first hole and the second hole, the first hole penetrates through the side surface of the base plate and the first surface, the second hole penetrates the other side surface of the base plate and the first surface, or the first hole penetrates through the side surface of the base plate and the first surface, the second hole penetrates through the other side surface of the bottom plate and the second surface.
2. The foundation preform as claimed in claim 1, wherein the rib is provided with a prepared hole, the prepared hole penetrates through the rib along the circumferential direction of the pillar, and a part of the outer circumferential surface of the pillar forms a hole wall of the prepared hole.
3. The foundation preform of claim 2, wherein the rib has a height dimension that decreases in a direction away from the column, and the plurality of ribs are arranged at intervals in a circumferential direction of the column.
4. The base preform of claim 1, wherein the first hole penetrates through a side surface and the first surface of the bottom plate, the second hole penetrates through another side surface and the first surface of the bottom plate, the first hole and the second hole are arc-shaped holes, and an arc degree of the first hole is identical to an arc degree of the second hole.
5. The base preform of claim 4, comprising a first pad and a second pad, the first pad and the second pad being disposed on the first surface, the first pad corresponding to the first hole and the first hole extending through the first pad, the second pad corresponding to the second hole and the second hole extending through the second pad.
6. The foundation preform of any one of claims 1 to 5, wherein the pillar has a first side surface and a second side surface, the first side surface and the second side surface are oppositely arranged along the circumferential direction of the pillar, and a plurality of grooves are arranged on the first side surface and/or the second side surface and are arranged at intervals along the height direction of the pillar.
7. A wind generating set foundation, characterized by comprising a foundation body, wherein the foundation body is annular and comprises a plurality of prefabricated members, the prefabricated members are the foundation prefabricated members according to any one of claims 1-6, and the foundation body is formed by sequentially connecting and splicing the plurality of prefabricated members along the circumferential direction.
8. The wind generating set foundation of claim 7, wherein a seam is provided between the side surfaces of two adjacent prefabricated members, the seam is suitable for grouting slurry, the column has a first side surface and a second side surface, the first side surface and the second side surface are oppositely arranged along the circumferential direction of the column, the first side surface is provided with a plurality of first grooves, the second side surface is provided with a plurality of second grooves, the first grooves and the second grooves are in one-to-one correspondence, and the slurry is filled in the first grooves and the second grooves.
9. The wind generating set foundation of claim 7, comprising a first flange and a second flange, wherein a plurality of said posts of a plurality of said prefabricated members are sandwiched between said first flange and said second flange, said posts are connected to said first flange and said second flange by anchor bolts, said posts are provided with anchor bolt holes, and said anchor bolts are fitted in said anchor bolt holes.
10. A wind park comprising a wind park foundation, the wind park foundation being as claimed in any one of claims 7 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210293724.4A CN114576098A (en) | 2022-03-23 | 2022-03-23 | Foundation prefabricated part, wind generating set foundation and wind generating set |
| PCT/CN2023/083101 WO2023179673A1 (en) | 2022-03-23 | 2023-03-22 | Foundation prefabricated member, foundation of wind turbine generator system, and wind turbine generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210293724.4A CN114576098A (en) | 2022-03-23 | 2022-03-23 | Foundation prefabricated part, wind generating set foundation and wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114576098A true CN114576098A (en) | 2022-06-03 |
Family
ID=81782397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210293724.4A Pending CN114576098A (en) | 2022-03-23 | 2022-03-23 | Foundation prefabricated part, wind generating set foundation and wind generating set |
Country Status (2)
| Country | Link |
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| CN (1) | CN114576098A (en) |
| WO (1) | WO2023179673A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110567A (en) * | 2022-07-08 | 2022-09-27 | 哈尔滨工业大学 | Modularized assembly type wind power expansion foundation and construction method thereof |
| WO2023179673A1 (en) * | 2022-03-23 | 2023-09-28 | 中国华能集团清洁能源技术研究院有限公司 | Foundation prefabricated member, foundation of wind turbine generator system, and wind turbine generator system |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2064393B1 (en) * | 2006-09-21 | 2012-07-04 | Ahmed Phuly Engineering & Consulting, Inc. | Partially prefabricated modular foundation system |
| AT517958B1 (en) * | 2016-02-18 | 2017-06-15 | Holcim Technology Ltd | Foundation for a wind turbine |
| AT517959B1 (en) * | 2016-02-18 | 2017-06-15 | Holcim Technology Ltd | Foundation for a wind turbine |
| AT521432B1 (en) * | 2018-07-13 | 2020-07-15 | Holcim Technology Ltd | Foundation for a wind power plant |
| CN109706968A (en) * | 2019-02-21 | 2019-05-03 | 沈阳建筑大学 | Precast assembly circular section pipe gallery |
| AT522250A1 (en) * | 2019-02-28 | 2020-09-15 | Holcim Technology Ltd | Foundation for a wind turbine |
| CN212129203U (en) * | 2020-01-19 | 2020-12-11 | 深圳国金电力新能设计院有限公司 | Tower drum foundation and bottom plate component thereof |
| CN113136890B (en) * | 2020-01-19 | 2024-01-12 | 深圳国金电力新能设计院有限公司 | Tower foundation and construction method thereof |
| CN112096573B (en) * | 2020-08-21 | 2022-02-11 | 中国电建集团华东勘测设计研究院有限公司 | Grouting-free dry-type prestressed bolt splicing and slicing prefabricated assembly type mixed tower |
| CN114108685A (en) * | 2021-12-30 | 2022-03-01 | 中国船舶重工集团海装风电股份有限公司 | Annular prefabricated assembly beam plate type fan foundation and installation method |
| CN114576098A (en) * | 2022-03-23 | 2022-06-03 | 中国华能集团清洁能源技术研究院有限公司 | Foundation prefabricated part, wind generating set foundation and wind generating set |
| CN216922360U (en) * | 2022-03-23 | 2022-07-08 | 中国华能集团清洁能源技术研究院有限公司 | Foundation prefabricated part, wind generating set foundation and wind generating set |
-
2022
- 2022-03-23 CN CN202210293724.4A patent/CN114576098A/en active Pending
-
2023
- 2023-03-22 WO PCT/CN2023/083101 patent/WO2023179673A1/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179673A1 (en) * | 2022-03-23 | 2023-09-28 | 中国华能集团清洁能源技术研究院有限公司 | Foundation prefabricated member, foundation of wind turbine generator system, and wind turbine generator system |
| CN115110567A (en) * | 2022-07-08 | 2022-09-27 | 哈尔滨工业大学 | Modularized assembly type wind power expansion foundation and construction method thereof |
| CN115110567B (en) * | 2022-07-08 | 2024-04-16 | 哈尔滨工业大学 | Modularized assembled wind power expansion foundation and construction method thereof |
Also Published As
| Publication number | Publication date |
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| WO2023179673A1 (en) | 2023-09-28 |
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