CN215367378U - Foundation ring foundation reinforcing device and wind generating set - Google Patents

Foundation ring foundation reinforcing device and wind generating set Download PDF

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Publication number
CN215367378U
CN215367378U CN202121701915.7U CN202121701915U CN215367378U CN 215367378 U CN215367378 U CN 215367378U CN 202121701915 U CN202121701915 U CN 202121701915U CN 215367378 U CN215367378 U CN 215367378U
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China
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foundation
connecting plate
anchor bolt
post
foundation ring
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CN202121701915.7U
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Chinese (zh)
Inventor
郭敏
刘刚
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Shandong Carbon Rui Building Materials Technology Co ltd
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Shandong Carbon Rui Building Materials Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

Abstract

A foundation ring foundation reinforcing device and a wind generating set relate to the technical field of foundation ring foundation reinforcing of wind generating sets. The foundation reinforcing device comprises a foundation and a foundation ring, and further comprises a circumferential connecting piece, a post-cast concrete belt and a plurality of reinforcing assemblies connected with the outer side of the foundation ring; each reinforcing component comprises a vertical connecting plate and a transverse connecting plate; the vertical connecting plate is fixedly connected to the top surface of the transverse connecting plate; the bottom surface of the transverse connecting plate is fixedly connected with the foundation through a post-cast concrete belt; the transverse connecting plate, the post-cast concrete strip and the foundation are fastened through a prestressed anchor bolt; the annular connecting piece is fixedly connected with the outer side face of each vertical connecting plate. The wind generating set comprises a foundation ring foundation reinforcing device. The utility model aims to provide a foundation ring foundation reinforcing device and a wind generating set, which solve the problem that the peripheral concrete of a foundation ring is continuously crushed to a certain extent by using a small amount of engineering.

Description

Foundation ring foundation reinforcing device and wind generating set
Technical Field
The utility model relates to the technical field of foundation reinforcement of foundation rings of wind generating sets, in particular to a foundation ring foundation reinforcement device and a wind generating set.
Background
Because the buried depth of the foundation ring is not enough in the foundation of the wind generating set foundation ring, the concrete at the flange at the bottom of the foundation ring is not easy to pour compactly, and the wind generating set foundation is required to bear the fatigue load transferred by the top tower drum. This requires reinforcement of the foundation to continue operation.
The commonly used reinforcing methods of the existing foundation ring foundation include grouting reinforcement, reinforcement by applying annular pre-tightening force, reinforcement by increasing the section area of a foundation column and the like. However, these methods have a problem that the concrete around the foundation ring is continuously crushed or the amount of work is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a foundation ring foundation reinforcing device and a wind generating set, which solve the problem that the peripheral concrete of a foundation ring is continuously crushed to a certain extent by using a small amount of engineering.
In order to achieve the purpose, the utility model provides the following technical scheme:
a foundation reinforcing device for a foundation ring comprises a foundation and a foundation ring, and further comprises a circumferential connecting piece, a post-cast concrete belt and a plurality of reinforcing assemblies connected with the outer side of the foundation ring; the plurality of reinforcing components are arranged in a ring shape;
each reinforcing assembly comprises a vertical connecting plate connected with the outer side of the foundation ring and a transverse connecting plate arranged on the top of the foundation;
the vertical connecting plate is fixedly connected to the top surface of the transverse connecting plate; the bottom surface of the transverse connecting plate is fixedly connected with the foundation through the post-cast concrete belt;
the transverse connecting plate, the post-cast concrete strip and the foundation are fastened through a prestressed anchor bolt;
the annular connecting piece is fixedly connected with the outer side face of each vertical connecting plate.
In any of the above technical solutions, optionally, a positioning ear plate is fixedly connected to an outer side surface of the vertical connecting plate, and the circumferential connecting member abuts against the positioning ear plate;
and/or the inner side surface of the vertical connecting plate is provided with an adhesive layer connected with the foundation ring.
In any of the above technical solutions, optionally, in the circumferential direction of the foundation, the width of the positioning lug plate is not greater than the width of the vertical connecting plate, and/or the width of the transverse connecting plate is not greater than the width of the vertical connecting plate.
In any of the above technical solutions, optionally, the vertical connecting plate is fixedly connected with the positioning ear plate by welding;
a certain distance is reserved between the positioning lug plate and the transverse connecting plate;
the annular connecting piece is an annular steel cable;
the adhesive layer is epoxy resin adhesive.
In any of the above technical solutions, optionally, the post-cast concrete strip includes a post-cast concrete layer and a post-cast high-strength grouting layer;
the prestressed anchor bolt penetrates through the transverse connecting plate, the post-cast high-strength grouting layer, the post-cast concrete layer and the foundation which are sequentially connected.
In any of the above technical solutions, optionally, the post-cast concrete layer is provided with a steel bar inserted into the foundation.
In any of the above technical solutions, optionally, the number of the reinforcing components is a multiple of 4; the plurality of reinforcing components are uniformly distributed on the circumferential direction of the foundation ring;
and a gap is formed between every two adjacent reinforcing components, or every two adjacent reinforcing components are abutted.
In any of the above technical solutions, optionally, the vertical connecting plate is a steel plate;
the transverse connecting plate is a horizontal steel plate;
each transverse connecting plate is connected with one or more prestressed anchor bolts.
In any of the above technical solutions, optionally, a first high-strength grouting structure is disposed in a gap between the foundation and the foundation ring;
the foundation is provided with an anchor bolt hole; a second high-strength grouting structure is filled in the anchor bolt hole;
the prestressed anchor bolt comprises a first anchor bolt part, a second anchor bolt part and a third anchor bolt part which are sequentially connected; the first anchor bolt part is inserted in the second high-strength grouting structure, and a sleeve arranged inside the transverse connecting plate and the post-cast concrete belt is sleeved outside the second anchor bolt part; the third anchor bolt part is in threaded connection with a nut;
the nut is connected with the transverse connecting plate through a washer;
a protective cap abutted against the nut is arranged at the top of the third anchor bolt part;
and a positioning piece connected with the second high-strength grouting structure is sleeved outside the joint of the first anchor bolt part and the second anchor bolt part.
A wind generating set includes a foundation ring foundation reinforcing device.
The utility model has the following beneficial effects:
according to the foundation ring foundation reinforcing device and the wind generating set, the foundation ring foundation is reinforced through the annular connecting piece, the post-cast concrete belt, the vertical connecting plate and the transverse connecting plate, so that part of force transmitted to the foundation ring by the top tower drum can be transmitted to the top of the foundation through the reinforcing component, the annular connecting piece and the post-cast concrete belt, the stress at the bottom flange of the foundation ring is reduced, the bearing capacity of the foundation is improved, and the problem that the foundation fails due to the fact that concrete at the bottom flange of the foundation ring cracks under large stress is solved; this foundation ring basis reinforcing apparatus structure is simple relatively, and the engineering volume is less relatively, and whole atress is reasonable, has realized solving the problem that the peripheral concrete of foundation ring continues to be crushed with less engineering volume.
In order to make the aforementioned and other objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a basic ring based reinforcement device according to an embodiment of the present invention;
FIG. 2 is an enlarged partial view of the hoop connectors, post-cast concrete strips and reinforcement assemblies shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of the prestressed anchor bolt shown in FIG. 1;
FIG. 4 is an enlarged view of a portion of the reinforcement assembly shown in FIG. 1;
FIG. 5 is a schematic structural diagram of another perspective of a foundation ring reinforcement device provided in accordance with an embodiment of the present invention;
fig. 6 is an enlarged view of the region a shown in fig. 5.
Icon: 1-a base; 2-a base ring; 3-a first high-strength grouting structure; 4-vertical connecting plates; 5-transverse connecting plates; 6-post-pouring a high-strength grouting layer; 7-post-pouring a concrete layer; 8-prestressed anchor bolts; 9-positioning the lug plate; 10-a protective cap; 11-a second high-strength grouting structure; 12-planting the steel bars; 13-a sleeve; 14-a circumferential connection; 15-adhesive layer; 16-a gasket; 17-a nut; 18-a positioning element; 20-post-pouring concrete strips.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Examples
The embodiment provides a foundation ring foundation reinforcing device and a wind generating set; referring to fig. 1 to 6, fig. 1 is a schematic elevation structure diagram of a basic ring reinforcing apparatus provided in this embodiment; in order to show the structure more clearly, fig. 2 is a partially enlarged view of the hoop connector, the post-cast concrete strip, the reinforcing member, and the like shown in fig. 1, fig. 3 is a partially enlarged view of the prestressed anchor bolt shown in fig. 1, and fig. 4 is a partially enlarged view of the reinforcing member shown in fig. 1; fig. 5 is a schematic plan view of a basic ring reinforcing apparatus according to the present embodiment, and fig. 6 is an enlarged view of a region a shown in fig. 5.
Referring to fig. 1 to 6, the foundation ring foundation reinforcing device provided in this embodiment is used for reinforcing a foundation ring foundation of a wind turbine generator system, and is applicable to the technical field of wind power civil engineering structures. The foundation ring foundation reinforcing device comprises a foundation 1, a foundation ring 2, an annular connecting piece 14, a post-cast concrete belt 20 and a plurality of reinforcing assemblies connected with the outer side of the foundation ring 2; the plurality of reinforcing components are annularly arranged; the foundation ring 2 is used for connecting the foundation 1 and the tower. Alternatively, the foundation 1 is cast with concrete.
Each reinforcement assembly comprises a vertical connecting plate 4 connected to the outside of the foundation ring 2 and a transverse connecting plate 5 arranged on top of the foundation 1.
The vertical connecting plate 4 is fixedly connected to the top surface of the transverse connecting plate 5; optionally, a transverse connecting plate 5 is welded at the bottom of the outer side of the vertical connecting plate 4.
The bottom surface of the transverse connecting plate 5 is fixedly connected with the foundation 1 through a post-cast concrete belt 20.
The transverse connecting plate 5, the post-cast concrete strip 20 and the foundation 1 are fastened through a prestressed anchor bolt 8; the pre-stressed anchor bolt 8 reinforces the foundation 1 by applying pre-tightening force.
The circumferential connecting piece 14 is fixedly connected with the outer side surface of each vertical connecting plate 4. All the vertical connecting plates 4 and thus the foundation ring 2 are fastened by means of the circumferential connecting pieces 14.
In the foundation ring foundation reinforcing device in the embodiment, the foundation ring foundation is reinforced through the annular connecting piece 14, the post-cast concrete belt 20, the vertical connecting plate 4 and the transverse connecting plate 5, so that part of force transmitted to the foundation ring by the top tower drum can be transmitted to the top of the foundation 1 through the reinforcing component, the annular connecting piece 14 and the post-cast concrete belt 20, the stress at the bottom flange of the foundation ring 2 is reduced, the bearing capacity of the foundation 1 is improved, and the problem that the foundation 1 fails due to cracking of concrete at the bottom flange of the foundation ring 2 under large stress is solved; this foundation ring basis reinforcing apparatus structure is simple relatively, and the engineering volume is less relatively, and whole atress is reasonable, has realized solving 2 peripheral concrete of foundation ring with less engineering volume and has continuing the problem of being crushed.
The foundation ring foundation reinforcing device in the embodiment has the advantages of simple structure, convenience in construction, safety and reliability, can be suitable for reinforcing a foundation with problems, can also be suitable for preventing problems of early reinforcing of a foundation without problems, is clear in whole stress path, and can ensure the reinforcing effect.
Referring to fig. 1-6, in an alternative of the present embodiment, a positioning ear plate 9 is fixedly connected to an outer side surface of the vertical connecting plate 4, and the circumferential connecting member 14 abuts against the positioning ear plate 9; alternatively, the circumferential connecting member 14 may be disposed above the positioning lug plate 9, or may be disposed below the positioning lug plate 9. The positioning ear plates 9 are used for positioning and connecting the annular connecting piece 14 on the vertical connecting plate 4. Optionally, the vertical connecting plate 4 is fixed to the positioning ear plate 9 by welding.
In an alternative to this embodiment, shown in fig. 4, the inner side of the vertical connecting plate 4 is provided with an adhesive layer 15 for connecting the foundation ring 2. For example, the inner side of the vertical connecting plate 4 is coated with epoxy resin glue so as to be attached to the outer side of the foundation ring 2. By means of an adhesive layer 15, in order to fix the vertical connecting plates 4 on the outer circumference of the foundation ring 2.
Optionally, the adhesive layer 15 is an epoxy adhesive.
Optionally, the vertical connecting plate 4 and the positioning ear plate 9 are fixedly connected by welding. The vertical connecting plate 4 and the positioning ear plate 9 can also be fixedly connected by means of screwing, riveting and the like.
Optionally, the positioning lugs 9 are spaced from the transverse web 5 to facilitate the attachment of the circumferential connectors 14 to the vertical webs 4.
Alternatively, the hoop connectors 14 are hoop cables, or other connectors.
In an alternative of this embodiment, the width of the positioning lug 9 in the circumferential direction of the foundation 1 is not greater than the width of the vertical connecting plate 4.
In an alternative of this embodiment, the width of the transverse connection plates 5 is not greater than the width of the vertical connection plates 4 in the circumferential direction of the foundation 1.
Referring to fig. 1 and 2, in an alternative embodiment, the post-cast concrete strip 20 includes a post-cast concrete layer 7 and a post-cast high-strength grout layer 6.
The prestressed anchor bolt 8 penetrates through the transverse connecting plate 5, the post-cast high-strength grouting layer 6, the post-cast concrete layer 7 and the foundation 1 which are connected in sequence. That is to say, post-cast concrete layer 7 and basis 1 fixed connection, post-cast concrete layer 7 and transverse connection board 5 pass through post-cast high strength grout blanket 6 and are connected.
Referring to fig. 1 and 2, in an alternative to the present embodiment, the post-cast concrete layer 7 is provided with planting bars 12 inserted into the foundation 1. The connection relationship between the post-cast concrete layer 7 and the foundation 1 is strengthened through the bar planting 12, and the post-cast concrete layer 7 and the foundation 1 are integrated.
Referring to fig. 5, in an alternative embodiment, the number of reinforcing members is a multiple of 4; a plurality of reinforcing components are uniformly distributed on the circumferential direction of the foundation ring 2; that is to say the number of vertical connecting plates 4 and transverse connecting plates 5 is a multiple of 4; the number of the reinforcing components is multiple of 4, so that the basic ring foundation reinforcing device is conveniently and symmetrically installed.
Optionally, the number of positioning lugs 9 is a multiple of 4.
Optionally, there is a gap between two adjacent reinforcement members, or two adjacent reinforcement members abut. That is, in the circumferential direction of the foundation 1, a gap may be left between two adjacent reinforcing assemblies, or may be continuously arranged.
Optionally, the vertical connecting plate 4 is a steel plate; the vertical connecting plate 4 can also be made of other materials.
Optionally, the transverse connecting plate 5 is a horizontal steel plate; the transverse webs 5 may also be made of other materials.
Optionally, one or more prestressed anchor bolts 8 are connected to each cross web 5. Namely the number of the prestressed anchor bolts 8 is integral multiple of the number of the transverse connecting plates 5; that is, the number of the prestressed anchor bolts 8 is the same as the number of the transverse connecting plates 5 or the number of the prestressed anchor bolts 8 is a multiple of the number of the transverse connecting plates 5.
Referring to fig. 1, in an alternative of the present embodiment, a gap between a foundation 1 and a foundation ring 2 is provided with a first high-strength grouting structure 3; optionally, the gap between the foundation 1 and the foundation ring 2 is formed by high-strength grouting using high-strength grouting material pressurized grouting to form the first high-strength grouting structure 3, so as to reinforce the strength between the foundation 1 and the foundation ring 2.
Referring to fig. 1-3, optionally, the foundation 1 is provided with anchor bolt holes; a second high-strength grouting structure 11 is filled in the anchor bolt hole; the prestressed anchor bolt 8 is inserted in the second high-strength grouting structure 11; and reinforcing the strength between the foundation 1 and the prestressed anchor bolt 8 by the second high-strength grouting structure 11.
Optionally, the prestressed anchor 8 includes a first anchor portion, a second anchor portion and a third anchor portion connected in sequence; the first anchor bolt part is inserted in the second high-strength grouting structure 11, and a sleeve 13 arranged inside the transverse connecting plate 5 and the post-cast concrete belt 20 is sleeved outside the second anchor bolt part; the third anchor bolt part is screwed with a nut 17.
Optionally, the nut 17 is connected to the transverse web 5 by a washer 16.
Optionally, the top of the third anchor portion is provided with a protective cap 10 abutting the nut 17.
Optionally, a positioning member 18 is sleeved outside a joint of the first anchor bolt portion and the second anchor bolt portion, and the positioning member 18 is connected with the second high-strength grouting structure 11.
Optionally, the sleeve 13 is made of plastic or other materials.
Optionally, the basic ring base reinforcing apparatus according to this embodiment is implemented as follows:
(1) firstly, clearing away ash and moisture in a gap between a foundation 1 and a foundation ring 2, clearing away damaged concrete on the top of the foundation 1, and roughening the rest part; holes are drilled at a certain distance outside the foundation ring 2.
(2) And (3) performing pressurized grouting on the gap between the foundation 1 and the foundation ring 2 by using the high-strength grouting material to form a first high-strength grouting structure 3 so as to strengthen the strength between the foundation 1 and the foundation ring 2.
(3) Carrying out bar planting 12 and mounting the prestressed anchor bolt 8 at the drilling position outside the foundation ring 2, and then carrying out high-strength grouting on the anchor bolt hole provided with the prestressed anchor bolt 8 and forming a second high-strength grouting structure 11; grouting to a certain height, placing the positioning piece 18 and the sleeve 13 in the anchor bolt hole, and then continuing grouting to the top surface of the original foundation.
(4) Pouring the post-cast concrete layer 7, after the post-cast concrete layer 7 reaches a certain strength, coating epoxy resin glue on the part of the foundation ring 2 exposed outside and forming an adhesive layer 15, pasting the designed and manufactured reinforcement assembly (comprising the vertical connecting plate 4, the transverse connecting plate 5 and the positioning lug plate 9) on the outer side of the foundation ring 2, and fastening by using a circumferential connecting piece 14.
(5) And pouring a high-strength grouting layer 6 after pouring.
(6) After the strength of the post-cast concrete layer 7 and the post-cast high-strength grouting layer 6 meets the requirement, the prestressed anchor bolt 8 is tensioned to reach the designed prestress value and is anchored through the washer 16 and the nut 17, and finally the protective cap 10 is sleeved on the prestressed anchor bolt.
The embodiment also provides a wind generating set, which comprises the foundation ring foundation reinforcing device. According to the wind generating set, a part of force transmitted to the foundation ring by the top tower drum can be transmitted to the top of the foundation 1 through the reinforcing component, the annular connecting piece 14 and the post-cast concrete belt 20 through the foundation reinforcing device of the foundation ring, so that the stress at the bottom flange of the foundation ring 2 is reduced, the bearing capacity of the foundation 1 is improved, and the problem that the foundation 1 fails due to cracking of concrete at the bottom flange of the foundation ring 2 under large stress is solved; this foundation ring basis reinforcing apparatus structure is simple relatively, and the engineering volume is less relatively, and whole atress is reasonable, has realized solving 2 peripheral concrete of foundation ring with less engineering volume and has continuing the problem of being crushed.
The wind turbine generator system provided by the embodiment includes the above-mentioned basic ring foundation reinforcing device, and the technical features of the above-mentioned basic ring foundation reinforcing device are also applicable to the wind turbine generator system, and the technical features of the above-mentioned basic ring foundation reinforcing device that has been disclosed are not described again. The wind generating set in the embodiment has the advantages of the basic ring foundation reinforcing device, and the advantages of the basic ring foundation reinforcing device disclosed in the embodiment are not described repeatedly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A foundation ring foundation reinforcing device is characterized by comprising a foundation (1) and a foundation ring (2), and further comprising a circumferential connecting piece (14), a post-cast concrete belt (20) and a plurality of reinforcing components connected with the outer side of the foundation ring (2); the plurality of reinforcing components are arranged in a ring shape;
each reinforcing component comprises a vertical connecting plate (4) connected with the outer side of the foundation ring (2) and a transverse connecting plate (5) arranged at the top of the foundation (1);
the vertical connecting plate (4) is fixedly connected to the top surface of the transverse connecting plate (5); the bottom surface of the transverse connecting plate (5) is fixedly connected with the foundation (1) through the post-cast concrete belt (20);
the transverse connecting plate (5), the post-cast concrete strip (20) and the foundation (1) are fastened through a prestressed anchor bolt (8);
the annular connecting piece (14) is fixedly connected with the outer side face of each vertical connecting plate (4).
2. The foundation ring foundation reinforcing device according to claim 1, wherein a positioning ear plate (9) is fixedly connected to the outer side surface of the vertical connecting plate (4), and the circumferential connecting piece (14) is abutted to the positioning ear plate (9);
and/or an adhesive layer (15) connected with the foundation ring (2) is arranged on the inner side surface of the vertical connecting plate (4).
3. The foundation ring foundation reinforcing device according to claim 2, characterized in that the width of the positioning lugs (9) is not greater than the width of the vertical connection plates (4) and/or the width of the transverse connection plates (5) is not greater than the width of the vertical connection plates (4) in the circumferential direction of the foundation (1).
4. The foundation ring foundation reinforcing device according to claim 2, wherein the vertical connecting plate (4) is fixedly connected with the positioning ear plate (9) by welding;
a certain distance is reserved between the positioning lug plate (9) and the transverse connecting plate (5);
the circumferential connecting piece (14) is a circumferential steel cable;
the adhesive layer (15) is epoxy resin adhesive.
5. The foundation ring foundation reinforcing apparatus of claim 1, wherein the post-cast concrete strip (20) comprises a post-cast concrete layer (7) and a post-cast high-strength grout layer (6);
the prestressed anchor bolt (8) penetrates through the transverse connecting plate (5), the post-cast high-strength grouting layer (6), the post-cast concrete layer (7) and the foundation (1) which are connected in sequence.
6. Foundation ring foundation reinforcement according to claim 5, characterized in that the post-cast concrete layer (7) is provided with planting bars (12) inserted into the foundation (1).
7. The foundation ring foundation stiffening device of any of claims 1-6, wherein the number of stiffening components is a multiple of 4; the plurality of reinforcing components are uniformly distributed on the circumferential direction of the foundation ring (2);
and a gap is formed between every two adjacent reinforcing components, or every two adjacent reinforcing components are abutted.
8. The foundation ring foundation reinforcing device of any one of claims 1-6, wherein the vertical connection plate (4) is a steel plate;
the transverse connecting plate (5) is a steel plate in the horizontal direction;
each transverse connecting plate (5) is connected with one or more prestressed anchor bolts (8).
9. The foundation ring foundation reinforcing device according to any one of claims 1-6, wherein the gap between the foundation (1) and the foundation ring (2) is provided with a first high-strength grouting structure (3);
the foundation (1) is provided with an anchor bolt hole; a second high-strength grouting structure (11) is filled in the anchor bolt hole;
the prestressed anchor bolt (8) comprises a first anchor bolt part, a second anchor bolt part and a third anchor bolt part which are sequentially connected; the first anchor bolt part is inserted into the second high-strength grouting structure (11), and a sleeve (13) arranged inside the transverse connecting plate (5) and the post-cast concrete strip (20) is sleeved outside the second anchor bolt part; the third anchor bolt part is in threaded connection with a nut (17);
the nut (17) is connected with the transverse connecting plate (5) through a gasket (16);
a protective cap (10) abutted against the nut (17) is arranged at the top of the third anchor bolt part;
and a positioning piece (18) connected with the second high-strength grouting structure (11) is sleeved outside the joint of the first anchor bolt part and the second anchor bolt part.
10. A wind power plant comprising a foundation ring base reinforcement according to any of claims 1-9.
CN202121701915.7U 2021-07-26 2021-07-26 Foundation ring foundation reinforcing device and wind generating set Active CN215367378U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121701915.7U CN215367378U (en) 2021-07-26 2021-07-26 Foundation ring foundation reinforcing device and wind generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121701915.7U CN215367378U (en) 2021-07-26 2021-07-26 Foundation ring foundation reinforcing device and wind generating set

Publications (1)

Publication Number Publication Date
CN215367378U true CN215367378U (en) 2021-12-31

Family

ID=79611706

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121701915.7U Active CN215367378U (en) 2021-07-26 2021-07-26 Foundation ring foundation reinforcing device and wind generating set

Country Status (1)

Country Link
CN (1) CN215367378U (en)

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