CN212248334U - Reinforcement structure of wind turbine generator base - Google Patents
Reinforcement structure of wind turbine generator base Download PDFInfo
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- CN212248334U CN212248334U CN202020685550.2U CN202020685550U CN212248334U CN 212248334 U CN212248334 U CN 212248334U CN 202020685550 U CN202020685550 U CN 202020685550U CN 212248334 U CN212248334 U CN 212248334U
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Abstract
The utility model discloses a reinforcement structure of a wind turbine foundation, which comprises a bottom plate steel bar and torsion-resistant steel bars which are annularly arranged outside a center cylinder of a prestressed anchor bolt; the innermost ring reinforcing bar and the outermost ring reinforcing bar of hoop reinforcing bar in bottom plate reinforcing bar and the torsion bar are independent closed ring, and be continuous spiral reinforcing bar between innermost ring reinforcing bar and the outermost ring reinforcing bar. The utility model discloses be convenient for strengthen the connection of hoop reinforcing bar each other, under the prerequisite of guaranteeing the arrangement of reinforcement overall structure bearing capacity to avoid too much reinforcing bar lofting, processing procedures such as cutting off, welding, reduce the reinforcing bar leftover bits and pieces, reduce engineering cost, reduce transportation, processing link and sign volume, reduce the management degree of difficulty, shorten construction cycle, improve the efficiency that the annular reinforcing bar was arranged to the job site. The utility model is suitable for an in the structure construction of wind turbine generator system basis for improve wind turbine generator system foundation structure's steadiness, guarantee wind turbine generator system safety, stable operation.
Description
Technical Field
The utility model belongs to the technical field of electric power engineering, a structure construction on wind turbine generator basis is related to, specifically speaking is a reinforcement structure on wind turbine generator basis.
Background
Under the background of national policy support and energy supply tension, wind power generation rises rapidly in China due to obvious social and environmental benefits. During the foundation construction of the wind turbine generator in the field of wind power generation, a large reinforced concrete extended foundation is usually adopted, and then a prestressed anchor bolt is adopted as a transition member for connecting a steel tower cylinder and the foundation, so that the wind turbine generator can be operated safely and stably.
The reinforcing bars which play a main bearing role in the existing wind power foundation structure generally mainly comprise two reinforcing bars, namely radial reinforcing bars which are radial through the circle center and concentric annular reinforcing bars which surround the circle center and have different diameters from large to small. A plurality of hoop reinforcing bars do not connect each other among this kind of arrangement of reinforcement structure, in order to prevent the skew position of laying of hoop reinforcing bar, will carry out ligature one by one to the hoop reinforcing bar during the construction and fix, and the construction degree of difficulty is great, and the whole bearing capacity deviation of structure that forms. Because the number of the arranged circumferential reinforcing steel bars is large and the diameters of the circumferential reinforcing steel bars are different, a plurality of processing procedures such as lofting, cutting, welding and the like are required to be carried out on the reinforcing steel bars so as to process the reinforcing steel bars into the circumferential reinforcing steel bars with different specifications, the processing and configuration period is long, and high expenses such as labor cost, mechanical cost and the like are generated to a certain extent; on the other hand, frequent cutting and cutting of the reinforcing steel bars are difficult to avoid generating a large amount of waste materials, which causes material waste.
SUMMERY OF THE UTILITY MODEL
For solving exist among the prior art more than not enough, the utility model aims at providing a reinforcement structure of wind turbine generator system basis to reach and strengthen the connection of annular reinforcing bar each other, under the prerequisite of guaranteeing reinforcement overall structure bearing capacity, avoid too much reinforcing bar laying-out, cut off, processing procedure such as welding, reduce the reinforcing bar leftover bits and pieces, practice thrift engineering cost, reduce the construction degree of difficulty simultaneously, shorten construction cycle, improve the purpose of the efficiency that the annular reinforcing bar was arranged at the job site.
In order to achieve the above object, the utility model adopts the following technical scheme: a reinforcement structure of a wind turbine foundation comprises a bottom plate steel bar and torsion-resistant steel bars which are annularly arranged on the outer side of a central cylinder of a prestressed anchor bolt, wherein the bottom plate steel bar and the torsion-resistant steel bars form an annular table post structure on the outer side of the central cylinder of the prestressed anchor bolt;
the bottom plate steel bars comprise a first annular steel bar and a first radial steel bar which are bound together to form a bottom structure of the annular column, and inner ring steel bars and outer ring steel bars of the first annular steel bar are positioned on the same horizontal plane and are both independent closed circular rings;
the torsion-resistant steel bars comprise second circumferential steel bars and second radial steel bars which are bound together to form a side structure of the annular column, inner ring steel bars and outer ring steel bars of the second circumferential steel bars are both independent closed circular rings, and the inner ring steel bars are higher than the outer ring steel bars;
at least one of the first circumferential reinforcing steel bar and the second circumferential reinforcing steel bar comprises the following structures: the inner ring steel bars and the outer ring steel bars are connected through continuous spiral steel bars.
As the utility model discloses a inject, continuous spiral reinforcing bar adopts the helical structure that straight thread muffjoint formed for many reinforcing bars.
As the utility model discloses a further inject, the inner ring reinforcing bar and the outer loop reinforcing bar of first hoop reinforcing bar all adopt straight thread sleeve or welded mode to be connected with continuous spiral reinforcing bar.
As another kind of the utility model discloses an it is injectd that the inner ring reinforcing bar and the outer loop reinforcing bar of the second circumferential reinforcement all adopt straight thread sleeve or welded mode to be connected with continuous spiral reinforcing bar.
As the utility model discloses a further inject, the reinforcing bar arrangement interval in bottom plate reinforcing bar and the antitorque reinforcing bar is 100 ~ 200 mm.
Since the technical scheme is adopted, compared with the prior art, the utility model, the beneficial effect who gains is:
(1) the circumferential reinforcing steel bar structure in the middle bottom plate reinforcing steel bar and the torsion-resistant reinforcing steel bar of the utility model is not a plurality of independent closed concentric annular reinforcing steel bars, but adopts the continuous spiral reinforcing steel bar to connect the integral structure of the innermost ring reinforcing steel bar and the outermost ring reinforcing steel bar, on one hand, the integral connectivity of the circumferential reinforcing steel bar is better, and the bearing capacity of the integral structure of the reinforcing steel bar is further ensured; on the other hand, at the job site, no longer need process into the annular reinforcing bar of different radiuses with the reinforcing bar, reduce a processing, transportation link, if: the processing of cutting, deciding the reinforcing bar has been reduced, has avoided the production of reinforcing bar waste material, has reduced engineering cost and has accelerated construction speed.
(2) The circumferential reinforcing steel bar structure provided by the utility model avoids unnecessary processing procedures such as reinforcing steel bar lofting, cutting, welding and the like during construction and arrangement, shortens the construction period to a certain extent, reduces the construction cost and improves the construction efficiency; and when reinforcing bar purchase is carried out, no longer to some extent to length restriction, 9m or 12m reinforcing bar all can directly be purchased, need not carry out special customization, has reduced the purchase requirement, has shortened the preparation link of construction early stage.
To sum up, the utility model discloses the structure steadiness is good, the work progress is simple, can avoid some unnecessary processing procedures, shortens the construction cycle of reinforcing bar among the wind turbine generator system infrastructure.
The utility model is suitable for an in the structure construction of wind turbine generator system basis for improve the basic steadiness of wind turbine generator system, guarantee wind turbine generator system safety, stable operation.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic longitudinal sectional view of an embodiment of the present invention;
fig. 3 is a top view of a first circumferential reinforcement structure according to an embodiment of the present invention;
in the figure: 1. a center cylinder of the prestressed anchor bolt; 2. a bottom plate steel bar; 3. torsion-resistant steel bars.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described herein are for purposes of illustration and understanding only and are not intended to limit the invention.
Embodiment of the invention relates to a reinforcement structure of a wind turbine generator base
As shown in fig. 1 to 3, this embodiment includes bottom plate reinforcing bar 2 and torsion-resistant reinforcing bar 3 that the hoop was arranged in the 1 outside of prestressed anchorage bolt center cylinder, and bottom plate reinforcing bar 2 and torsion-resistant reinforcing bar 3 form annular platform post structure in prestressed anchorage bolt center cylinder 1's the outside, then the extension to the wind turbine generator basis is accomplished to the monolithic concreting, makes the wind turbine generator basis more safe firm to the fixed of wind turbine generator, guarantees wind turbine generator's steady operation.
Wherein, all include hoop reinforcing bar and radial reinforcing bar in bottom plate reinforcing bar 2 and the antitorque reinforcing bar 3, the structure of radial reinforcing bar is the same with the structure of radial reinforcing bar among the prior art, and the structure of hoop reinforcing bar then can be following arbitrary one kind of form: concentric annular reinforcing steel bars (of the prior art) with different diameters from large to small around the circle center; inner ring reinforcing steel bars and outer ring reinforcing steel bars which are connected through continuous spiral reinforcing steel bars. In the embodiment, the first circumferential steel bars in the bottom plate steel bars 2 and the second circumferential steel bars in the torsion-resistant steel bars 3 both adopt a structure that continuous spiral steel bars are connected with inner ring steel bars and outer ring steel bars, and the continuous spiral steel bars are spiral structures formed by connecting a plurality of threaded steel bars through straight thread sleeves.
First, bottom plate steel bar 2
The bottom plate reinforcing steel bars 2 are arranged on a concrete cushion layer around the center cylinder 1 of the prestressed anchor bolt and are mainly used for improving the supporting force of the wind turbine foundation. The bottom plate reinforcing steel bars 2 comprise first annular reinforcing steel bars and first radial reinforcing steel bars which are bound together to form a bottom structure of the annular table column. A plurality of stressed steel bars radially distributed on the concrete cushion layer in the bottom plate steel bars 2 are first radial steel bars; and the distributed reinforcing steel bars which are arranged on the first radial reinforcing steel bars in a diffused manner from the circle center to the outside are first annular reinforcing steel bars.
As shown in fig. 3, the inner ring steel bars and the outer ring steel bars of the first circumferential steel bars are arranged on the same horizontal plane and form independent closed rings, and the inner ring steel bars and the outer ring steel bars of the first circumferential steel bars are connected and fixed together through continuous spiral steel bars.
Torsion-resistant steel bar 3
The torsion-resistant reinforcing steel bars 3 are obliquely arranged above the bottom plate reinforcing steel bars 2, the height of the torsion-resistant reinforcing steel bars is gradually reduced from inside to outside, and the torsion-resistant reinforcing steel bars are mainly used for improving the torsion resistance of the wind turbine foundation. Torsion-resistant reinforcing bar 3 includes second radial reinforcing bar and the second that ties up each other together, constitutes the side structure of annular abutment. The top view of the torsion resistant steel bars 3 is the same as that of the bottom plate steel bars 2, but the torsion resistant steel bars 3 are arranged in a three-dimensional mode, and the bottom plate steel bars 2 are arranged in a plane mode.
Specifically, the inner ring steel bars and the outer ring steel bars of the second circumferential steel bars are also of independent closed circular structures, but the positions where the inner ring steel bars of the second circumferential steel bars are arranged are higher than the positions where the outer ring steel bars of the second circumferential steel bars are arranged, so that the continuous spiral steel bars connected and fixed between the inner ring steel bars and the outer ring steel bars of the second circumferential steel bars are gradually lowered from inside to outside.
The second radial reinforcing steel bars are a plurality of stressed reinforcing steel bars radially distributed below the second circumferential reinforcing steel bars, and two ends of each stressed reinforcing steel bar are fixedly connected with the outer ring reinforcing steel bars and the inner ring reinforcing steel bars of the second circumferential reinforcing steel bars respectively.
In the embodiment, the diameter of the inner ring steel bar of the first annular steel bar is the same as that of the inner ring steel bar of the second annular steel bar, and the specific size is matched with the outer diameter of the central cylinder 1 of the prestressed anchor bolt; the diameter of the outer ring steel bar of the first annular steel bar is the same as that of the outer ring steel bar of the second annular steel bar, and the specific size of the outer ring steel bar is determined according to the calculation expansion area of the wind turbine generator base model. As shown in fig. 1, in this embodiment, the outer ring steel bars of the second circumferential steel bars are higher than the outer ring steel bars of the first circumferential steel bars, and the second radial steel bars vertically extend downward for a certain length after being connected with the outer ring steel bars of the second circumferential steel bars, so that the outer ring steel bars of the first circumferential steel bars and the outer ring steel bars of the second circumferential steel bars can be fixedly connected together.
The continuous spiral steel bars in the first annular steel bars and the second annular steel bars, the inner ring steel bars and the outer ring steel bars are fixedly connected together in a straight thread sleeve or a welding mode. In this embodiment, a fixing manner of straight thread sleeve connection is adopted. And in order to guarantee under the prerequisite of the good performance of arrangement of reinforcement structure, end face structure arrangement of reinforcement specification, interval and current structure remain unchanged, and the interval of arranging of reinforcing bar all is between 100 ~ 200mm in bottom plate reinforcing bar 2 and torsion-resistant reinforcing bar 3 promptly. In this embodiment, the arrangement interval of reinforcing bar is 150 mm.
Fourthly, the implementation process
When the method is used, firstly, a bottom plate steel bar 2 is paved on a concrete cushion layer around a central cylinder 1 of the prestressed anchor bolt; torsion bars 3 are then laid over the floor bars 2. The specific construction method is approximately the same as the construction method for the wind turbine generator foundation reinforcing bars in the prior art, but when the intermediate structures (continuous spiral reinforcing bars) of the first annular reinforcing bars and the second annular reinforcing bars are arranged, a plurality of reinforcing bars are connected through straight thread sleeves, then are bound and fixed with the first radial reinforcing bars and the second radial reinforcing bars respectively, and form spiral structures between the inner ring reinforcing bars and the outer ring reinforcing bars.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or some technical features can be replaced with equivalents. 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 (5)
1. The utility model provides a reinforcement structure on wind turbine generator system basis which characterized in that: the prestressed anchor bolt comprises a bottom plate steel bar and torsion-resistant steel bars which are annularly arranged on the outer side of a central cylinder of the prestressed anchor bolt, wherein the bottom plate steel bar and the torsion-resistant steel bars form an annular table column structure on the outer side of the central cylinder of the prestressed anchor bolt;
the bottom plate steel bars comprise a first annular steel bar and a first radial steel bar which are bound together to form a bottom structure of the annular column, and inner ring steel bars and outer ring steel bars of the first annular steel bar are positioned on the same horizontal plane and are both independent closed circular rings;
the torsion-resistant steel bars comprise second circumferential steel bars and second radial steel bars which are bound together to form a side structure of the annular column, inner ring steel bars and outer ring steel bars of the second circumferential steel bars are both independent closed circular rings, and the inner ring steel bars are higher than the outer ring steel bars;
at least one of the first circumferential reinforcing steel bar and the second circumferential reinforcing steel bar comprises the following structures: the inner ring steel bars and the outer ring steel bars are connected through continuous spiral steel bars.
2. The reinforcement structure of a wind turbine foundation according to claim 1, wherein: the continuous spiral steel bar is a spiral structure formed by connecting a plurality of steel bars by adopting straight thread sleeves.
3. The reinforcement structure of the wind turbine foundation according to claim 2, wherein: the inner ring steel bar and the outer ring steel bar of the first annular steel bar are connected with the continuous spiral steel bar in a straight thread sleeve or a welding mode.
4. The reinforcement structure of a wind turbine foundation according to any one of claims 1 to 3, wherein: and the inner ring steel bars and the outer ring steel bars of the second circumferential steel bars are connected with the continuous spiral steel bars in a straight thread sleeve or welding mode.
5. The reinforcement structure of the wind turbine generator base according to claim 4, wherein: the arrangement intervals of the steel bars in the bottom plate steel bars and the torsion-resistant steel bars are both 100-200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020685550.2U CN212248334U (en) | 2020-04-29 | 2020-04-29 | Reinforcement structure of wind turbine generator base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020685550.2U CN212248334U (en) | 2020-04-29 | 2020-04-29 | Reinforcement structure of wind turbine generator base |
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| Publication Number | Publication Date |
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| CN212248334U true CN212248334U (en) | 2020-12-29 |
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| CN202020685550.2U Active CN212248334U (en) | 2020-04-29 | 2020-04-29 | Reinforcement structure of wind turbine generator base |
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| CN (1) | CN212248334U (en) |
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- 2020-04-29 CN CN202020685550.2U patent/CN212248334U/en active Active
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