Fabricated wind power foundation

Abstract

The embodiment of the utility model provides an assembly type wind power foundation, and relates to the field of wind power facilities. The assembly type wind power foundation comprises at least two assembly single bodies which are annularly connected. Wherein each assembly single body comprises a stand and a rib beam which are connected with each other, a first ring rib is arranged on each stand in a penetrating manner, the first ring ribs protrude out of the two sides of each stand, the first ring ribs are used for being connected with the first ring ribs of the adjacent stand, and the first ring ribs are of an integrated structure. In the using state, the adjacent table columns are connected through connection of the adjacent first ring ribs, then the at least two assembly single bodies are annularly connected to form the assembly type wind power foundation, and the first ring ribs of the integrated structure have enough self-strength; on the basis of ensuring the connection strength, the purposes of shortening the construction period, improving the construction efficiency and reducing pollution are achieved.

Description

Technical Field

[0001] The utility model relates to the field of wind power facilities, and in particular to an assembled wind power foundation. Background Art

[0002] In recent years, with the large-scale development of the wind power industry, higher requirements have been placed on wind power infrastructure.

[0003] Existing wind power foundations are mostly constructed using cast-in-place methods, which have problems such as long construction period, low efficiency and high pollution. Utility Model Content

[0004] The utility model provides an assembled wind power foundation, which can shorten the construction period, improve construction efficiency, and reduce pollution.

[0005] The embodiment of the present utility model can be implemented as follows:

[0006] The embodiment of the present utility model provides an assembled wind power foundation, which includes:

[0007] At least two assembly units connected in a ring shape;

[0008] Among them, the assembly unit includes connected columns and rib beams, the columns are penetrated by first ring ribs, the first ring ribs are protruding from both sides of the columns, the first ring ribs are used to connect with the first ring ribs of adjacent columns, and the first ring ribs are an integrated structure.

[0009] Optionally, the assembled wind power foundation further includes second ring reinforcements, and the two sides of the second ring reinforcements are staggered with two adjacent first ring reinforcements and connected by grouting, and the two adjacent first ring reinforcements are spaced apart.

[0010] Optionally, the second ring ribs and the first ring ribs are staggered to form a reinforcement space, and the assembled wind power foundation further includes a first straight rib, which extends in the up and down directions and is accommodated in the reinforcement space.

[0011] Optionally, the platform column is provided with a third ring rib, and the third ring rib is provided to protrude from the bottom surface of the platform column;

[0012] And / or, the rib beam is provided with a fourth annular rib, and the fourth annular rib is provided to protrude from the bottom surface of the rib beam.

[0013] Optionally, first grooves are respectively formed on both sides of the pillar;

[0014] And / or, a second groove is provided at a corner of the pillar.

[0015] Optionally, the assembled wind power foundation further includes a base plate, which is connected to the bottom surface of the rib beam, and the base plate is penetrated by a fifth ring rib, which is protruding from both sides of the base plate, and the fifth ring rib is an integrated structure.

[0016] Optionally, steps are formed on both sides of the bottom plate, and the fifth annular rib passes through the side surfaces and bottom surfaces of the steps at the same time.

[0017] Optionally, the arrangement density of the fifth ring ribs at the end of the bottom plate is greater than the arrangement density of the fifth ring ribs at the root of the bottom plate.

[0018] Optionally, the assembled wind power foundation further includes arc-shaped connectors, which are used to connect adjacent columns or adjacent base plates, and the arc-shaped connectors are arranged in layers and at intervals.

[0019] Optionally, the assembled wind power foundation further includes tension anchors, and the tension anchors are arranged in a double-layer structure;

[0020] The tension anchor is used to connect adjacent columns or adjacent base plates;

[0021] Alternatively, the tension anchors are used to connect the spaced-apart columns or the spaced-apart base plates.

[0022] The beneficial effects of the assembled wind power foundation of the embodiment of the present utility model include, for example:

[0023] The prefabricated wind turbine foundation comprises at least two assembly units connected in a ring shape. Each assembly unit comprises connected columns and ribs. The columns are provided with first ring ribs protruding from both sides of the columns. The first ring ribs are used to connect with the first ring ribs of adjacent columns, and the first ring ribs are an integrated structure. In use, the connection of adjacent first ring ribs connects adjacent columns, thereby forming a prefabricated wind turbine foundation with at least two assembly units connected in a ring shape. The integrated first ring ribs possess sufficient inherent strength, ensuring connection strength while also shortening construction time, improving construction efficiency, and reducing pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1This is a structural diagram of the assembled wind power foundation provided in the first embodiment of the present utility model;

[0026] Figure 2 This is a schematic structural diagram of the assembly unit provided in Example 1 of the present utility model;

[0027] Figure 3 This is a schematic diagram of the connection between adjacent columns provided in the first embodiment of the present utility model;

[0028] Figure 4 This is a schematic diagram of the connection between the platform column and the cast-in-place base provided in the first embodiment of the present utility model;

[0029] Figure 5 This is a schematic diagram of the position of the arc-shaped connecting member provided in the first embodiment of the present utility model;

[0030] Figure 6 This is a schematic diagram of the position of the tension anchor provided in the first embodiment of the present utility model;

[0031] Figure 7 This is a structural diagram of the assembled wind power foundation provided in the second embodiment of the present utility model;

[0032] Figure 8 This is a schematic structural diagram of an assembly unit provided in Example 2 of the present utility model;

[0033] Figure 9 This is a schematic diagram of the internal structure of the assembly unit provided in the second embodiment of the present utility model;

[0034] Figure 10 This is a schematic diagram of the connection between adjacent base plates provided in the second embodiment of the present utility model;

[0035] Figure 11 This is a schematic diagram of the position of the arc-shaped connecting member provided in the second embodiment of the present utility model;

[0036] Figure 12 This is a schematic diagram of the position of the tension anchor provided in the second embodiment of the present utility model.

[0037] Icons: 100-Assembled wind turbine foundation; 110-Assembly unit; 120-Pillar; 121-First ring reinforcement; 122-Third ring reinforcement; 123-First groove; 124-Second groove; 130-Rib beam; 131-Fourth ring reinforcement; 140-Second ring reinforcement; 145-Reinforcement space; 150-First straight reinforcement; 160-Base plate; 161-Step; 162-Fifth ring reinforcement; 170-Arc connector; 180-Tension anchor; 190-Sixth ring reinforcement; 193-Gasket; 195-Second straight reinforcement; 196-Cast-in-place base; 197-Notch; 198-Radial straight reinforcement. DETAILED DESCRIPTION

[0038] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are intended to fall within the scope of protection of the present invention.

[0040] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0041] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0042] In addition, the terms "first", "second", etc., if used, are merely used to distinguish and describe, and should not be understood as indicating or implying relative importance.

[0043] The terms "comprises," "comprising," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0044] Unless otherwise expressly specified or limited, terms such as "disposed" and "connected" should be interpreted broadly. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.

[0045] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention can be combined with each other.

[0046] Please refer to Figure 1 and Figure 7 The assembled wind power foundation 100 provided in the embodiment of the present invention can solve the above problems, which will be described in detail below.

[0047] Example 1

[0048] refer to Figure 1 and Figure 2 The assembled wind power foundation 100 includes at least two assembled units 110 connected in a ring shape;

[0049] Among them, the assembly unit 110 includes a connected column 120 and a rib beam 130. The column 120 is penetrated by a first ring rib 121. The first ring rib 121 is protruding from both sides of the column 120. The first ring rib 121 is used to connect with the first ring rib 121 of the adjacent column 120. The first ring rib 121 is an integrated structure.

[0050] When in use, adjacent columns 120 can be connected by connecting adjacent first ring reinforcements 121, thereby making at least two assembly units 110 connected in a ring to form an assembled wind power foundation 100, and the first ring reinforcement 121 of the integrated structure has sufficient self-strength, which not only ensures the connection strength but also achieves the purpose of shortening the construction period, improving construction efficiency and reducing pollution.

[0051] It's worth noting that the assembled wind turbine foundation 100 typically has a ring-shaped structure, allowing at least two assembly units 110 to be connected sequentially along the ring. The bottom surfaces of the ribs 130 and columns 120 can be connected to the cast-in-place base. Furthermore, to facilitate production and demolding, components such as the columns 120 and ribs 130 can be designed with straight edges and no curved sections.

[0052] In this embodiment, a single prefabricated wind power foundation 100 includes twenty assembly units 110, and the central angle corresponding to each assembly unit 110 is 18°; of course, in other embodiments of the present invention, a single prefabricated wind power foundation 100 can also include two, five, eight, or twelve assembly units 110, and there is no limitation on the specific number of assembly units.

[0053] Furthermore, to ensure vertical connection strength, a single column 120 can be provided with at least three first annular ribs 121, spaced evenly apart vertically. The first annular ribs 121 protruding from either side of the column 120 form a U-shape, with the ends of the two U-shaped structures connected, forming a closed, annular shape for the integrated structure, ensuring sufficient strength.

[0054] refer to Figure 3 The prefabricated wind turbine foundation 100 also includes second ring reinforcements 140. The second ring reinforcements 140 are interlaced with two adjacent first ring reinforcements 121 on either side and connected by grouting. The adjacent first ring reinforcements 121 are spaced apart. Specifically, the second ring reinforcements 140 and the first ring reinforcements 121 are interlaced to form a reinforcement space 145. The prefabricated wind turbine foundation 100 also includes first straight reinforcements 150, which extend vertically and are accommodated in the reinforcement space 145.

[0055] It can be understood that wet connection is used to connect adjacent columns 120. The adjacent columns 120 can be first placed in a suitable position, and then the second ring reinforcement 140 is placed in sequence to form a reinforcement space 145. Then, the first straight reinforcement 150 is inserted into the reinforcement space 145, and then the seam is sealed with micro-expanding fine stone concrete or high-strength grouting material.

[0056] refer to Figure 2 and Figure 4 The assembled wind power foundation 100 also includes a cast-in-place base 196 and radial straight reinforcement 198. In order to improve the connection strength between the column 120 and the rib beam 130 and the cast-in-place base 196, the column 120 can be provided with a third ring reinforcement 122, and the third ring reinforcement 122 protrudes from the bottom surface of the column 120, and the rib beam 130 can be provided with a fourth ring reinforcement 131, and the fourth ring reinforcement 131 protrudes from the bottom surface of the rib beam 130.

[0057] It is worth noting that the third ring reinforcement 122 is exposed from the bottom surface of the column 120 in a U-shape, and the fourth ring reinforcement 131 is also exposed from the bottom surface of the rib 130 in a U-shape. During assembly, the cast-in-place base 196 can be provided with a notch 197 to accommodate the third and fourth ring reinforcements 122, 131, and radial reinforcements 198. The radial reinforcements 198 are used to pass through the inner sides of the third and fourth ring reinforcements 122, 131. Specifically, the radial reinforcements 198 can be inserted into the inner side of the U-shaped third and fourth ring reinforcements 122, 131, and then cast. To further improve the connection strength, tensioning channels can be reserved to accommodate the corresponding anchors.

[0058] refer to Figure 2 To increase the contact area, first grooves 123 can be provided on both sides of the pillar 120. In this embodiment, the cross-section of the first grooves 123 is rectangular. The height of a single first groove 123 corresponds to three first annular ribs 121. There are four first grooves 123 on the same side of the pillar 120, and the four first grooves 123 are equidistantly spaced.

[0059] Of course, in other embodiments of the present invention, the first groove 123 can also be circular, fan-shaped, triangular, prismatic, etc., and the number of first annular ribs 121 corresponding to the height of a single first groove 123 can be one, two, five, six, etc. The number of first grooves 123 on the same side of the same column 120 can also be one, three, six, eight, etc. There is no limitation on the cross-sectional shape of the first groove 123, the number of corresponding first annular ribs 121, and the number of settings on the same side.

[0060] refer to Figure 2 To facilitate formwork fixation and improve wet connection efficiency, second grooves 124 can be provided at the corners of the column 120. That is, a single column 120 has four corners, thus forming four second grooves 124. The lengths of the four second grooves 124 are approximately the same as the height of the column 120, and the depth and width of the four second grooves 124 are consistent.

[0061] refer to Figure 5 To further enhance connection strength, the prefabricated wind turbine foundation 100 may further include arcuate connectors 170 for connecting adjacent columns 120. The arcuate connectors 170 are arranged in alternating layers. This alternating arrangement prevents excessive weakening of the cross-section at the same cross-section. Specifically, the arcuate connectors 170 may be arcuate bolts.

[0062] It is worth noting that the arc-shaped connector 170 can be arranged as a double-layer structure, and the upper and lower layers can be arranged alternately, thereby achieving a high-strength connection; of course, the arc-shaped connector 170 can be a three-layer or four-layer structure.

[0063] refer to Figure 6 The prefabricated wind turbine foundation 100 also includes tension anchors 180, which can be used to connect adjacent columns 120. When installing the tension anchors 180, tensioning channels can be reserved in the columns 120 to facilitate the insertion and exit of the tension anchors 180. In this embodiment, the tension anchors 180 are arranged in a double-layer structure.

[0064] At the same time, in order to avoid misalignment between adjacent components during the tensioning process, the assembled wind power foundation 100 may further include a gasket 193. On the one hand, the gasket 193 can be used to be set between adjacent columns 120, and on the other hand, the gasket 193 can be used to be set between adjacent rib beams 130.

[0065] Furthermore, tension anchors 180 may be used to connect spaced columns 120. The number of columns 120 between two columns 120 connected by tension anchors 180 may be one, two, or four, and the specific number of spaced columns 120 is not limited. This means that adjacent tension anchors 180 are staggered, thereby forming a more stable tension connection structure.

[0066] It should be noted that the tension anchor 180 and the arc-shaped connector 170 may exist at the same time, or only one of them may exist, and the specific connection method can be adaptively adjusted.

[0067] Example 2

[0068] refer to Figure 7 and Figure 8 The prefabricated wind turbine foundation 100 may further include a bottom plate 160 connected to the bottom surface of the rib beam 130. The bottom plate 160 is provided with fifth annular ribs 162 extending from both sides of the bottom plate 160. In other words, the prefabricated bottom plate 160 of the prefabricated wind turbine foundation 100 of this embodiment replaces the cast-in-place base in the first embodiment.

[0069] Furthermore, by penetrating the fifth annular rib 162 , not only is it convenient to bond with the adjacent bottom plate 160 , but it also helps to increase the structural strength of the bottom plate 160 itself.

[0070] In this embodiment, the fifth annular ribs 162 are spaced evenly apart in the radial direction (relative to the annular prefabricated wind turbine foundation 100). The number of fifth annular ribs 162 provided in a single base plate 160 is thirty-four. Of course, in other embodiments of the present invention, the number of fifth annular ribs 162 provided in a single base plate 160 may be twenty, thirty, forty, or the like. The specific number is not limited thereto.

[0071] refer to Figure 8 and Figure 10 , steps 161 are formed on both sides of the bottom plate 160, and the fifth ring rib 162 penetrates the side and bottom surfaces of the steps 161. That is, the fifth ring rib 162 is exposed from the bottom plate 160 to form an L-shape.

[0072] When adjacent bottom plates 160 are connected, the assembled wind power foundation 100 may further include a sixth ring reinforcement 190 , the two sides of which are staggered with two adjacent fifth ring reinforcements 162 and connected by grouting, and the two adjacent fifth ring reinforcements 162 are spaced apart.

[0073] Specifically, a second straight rib 195 can be inserted into the space formed by the intersection of the sixth ring rib 190 and the fifth ring rib 162. The second straight rib 195 is arranged in the radial direction (relative to the annular prefabricated wind turbine foundation 100). In addition, the sixth ring rib 190 and the fifth ring rib 162 can be wet-connected using the same method as the first ring rib 121 and the second ring rib 140.

[0074] refer to Figure 9 Combined with the stress characteristics of the overall structure, the arrangement density of the fifth ring reinforcement 162 at the end of the bottom plate 160 can be greater than the arrangement density of the fifth ring reinforcement 162 at the root of the bottom plate 160, which can make the stress distribution of the bottom plate 160 more scientific, thereby reducing the amount of steel bars without affecting the support strength and saving material costs.

[0075] refer to Figure 11 To further enhance connection strength, the prefabricated wind turbine foundation 100 can include curved connectors 170 for connecting adjacent base plates 160. Specifically, these connectors 170 can be curved bolts. Notably, these connectors 170 can be arranged in a double-layer structure, alternating between the upper and lower layers, to achieve a high-strength connection.

[0076] refer to Figure 12 The prefabricated wind turbine foundation 100 also includes tension anchors 180, which can be used to connect adjacent base plates 160. When installing the tension anchors 180, tensioning channels can be reserved within the columns 120 to facilitate the insertion and exit of the tension anchors 180. It should be noted that the tension anchors 180 and the arc-shaped connectors 170 can be present simultaneously, or only one of them can be present. The specific connection method can be adjusted adaptively.

[0077] In addition, the tension anchors 180 may also connect the spaced apart bottom plates 160 , thereby staggering adjacent tension anchors 180 to form a more stable tension connection structure.

[0078] It is worth noting that the tensioning end and the anchoring end of the tensioning anchor 180 can be set on both sides of the position where the rib beam 130 is connected to the base plate 160, and prestressed channels are reserved on the inner and outer sides along the height direction of the column 120, and the inner and outer prestressed channels are arranged alternately, which helps to improve the stability of the tensioning connection structure.

[0079] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. An assembled wind power foundation, characterized in that: include: At least two assembly units (110) connected in a ring shape; The assembly unit (110) includes a column (120) and a rib (130) connected to each other, the column (120) is provided with a first ring rib (121), the first ring rib (121) is protruding from both sides of the column (120), the first ring rib (121) is used to connect with the first ring rib (121) of the adjacent column (120), and the first ring rib (121) is an integrated structure.

2. The assembled wind power foundation according to claim 1, characterized in that: The assembled wind power foundation further comprises a second ring rib (140), the two sides of which are staggered with two adjacent first ring ribs (121) and connected by grouting, and the two adjacent first ring ribs (121) are spaced apart.

3. The assembled wind power foundation according to claim 2, characterized in that: The second ring rib (140) and the first ring rib (121) are staggered to form a reinforcement space (145), and the assembled wind power foundation further includes a first straight rib (150), which extends in an up-down direction and is accommodated in the reinforcement space (145).

4. The assembled wind power foundation according to claim 1, characterized in that: The platform column (120) is provided with a third annular rib (122), and the third annular rib (122) is protruding from the bottom surface of the platform column (120); And / or, the rib beam (130) is provided with a fourth annular rib (131), and the fourth annular rib (131) is arranged to protrude from the bottom surface of the rib beam (130).

5. The assembled wind power foundation according to claim 4, characterized in that: The assembled wind power foundation also includes a cast-in-place base (196) and radial straight reinforcement (198). The cast-in-place base (196) is provided with a notch (197). The notch (197) is used to accommodate the third ring reinforcement (122), the fourth ring reinforcement (131) and the radial straight reinforcement (198). The radial straight reinforcement (198) is used to pass through the inner side of the third ring reinforcement (122) and the fourth ring reinforcement (131).

6. The assembled wind power foundation according to claim 1, characterized in that: First grooves (123) are respectively formed on both sides of the platform column (120); And / or, a second groove (124) is provided at a corner of the pillar (120).

7. The assembled wind power foundation according to claim 1, characterized in that: The assembled wind power foundation further includes a bottom plate (160), the bottom plate (160) is connected to the bottom surface of the rib beam (130), the bottom plate (160) is provided with a fifth ring rib (162), the fifth ring rib (162) is protruding from both sides of the bottom plate (160), and the fifth ring rib (162) is an integrated structure.

8. The assembled wind power foundation according to claim 7, characterized in that: Steps (161) are respectively formed on both sides of the bottom plate (160), and the fifth ring rib (162) simultaneously penetrates the side surfaces and bottom surfaces of the steps (161).

9. The assembled wind power foundation according to claim 7, characterized in that: The arrangement density of the fifth ring ribs (162) at the end of the bottom plate (160) is greater than the arrangement density of the fifth ring ribs (162) at the root of the bottom plate (160).

10. The assembled wind power foundation according to claim 7, characterized in that: The assembled wind power foundation further includes arc-shaped connecting members (170), which are used to connect adjacent columns (120) or adjacent base plates (160), and the arc-shaped connecting members (170) are arranged alternately in layers.

11. The assembled wind power foundation according to claim 7, characterized in that: The assembled wind power foundation further includes a tension anchor (180), and the tension anchor (180) is in a double-layer arrangement structure; The tension anchor (180) is used to connect adjacent columns (120) or adjacent base plates (160); Alternatively, the tension anchor (180) is used to connect the spaced-apart columns (120) or the spaced-apart base plates (160).

12. The assembled wind power foundation according to claim 11, characterized in that: The assembled wind power foundation further includes a gasket (193); the gasket (193) is used to be arranged between adjacent columns (120), or the gasket (193) is used to be arranged between adjacent rib beams (130).

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