CN211116419U - Precast concrete fan tower section of thick bamboo - Google Patents
Precast concrete fan tower section of thick bamboo Download PDFInfo
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- CN211116419U CN211116419U CN201921994786.8U CN201921994786U CN211116419U CN 211116419 U CN211116419 U CN 211116419U CN 201921994786 U CN201921994786 U CN 201921994786U CN 211116419 U CN211116419 U CN 211116419U
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model belongs to the technical field of wind-powered electricity generation prestressing force pylon, especially, relate to a precast concrete fan tower section of thick bamboo. The utility model discloses form by a plurality of hoop component concatenations that form by the concatenation of multi-disc precast concrete component. The lateral end face of the precast concrete member is an inclined plane or a smooth curved surface, and the vertical seam surface of the fan tower barrel forms a regular spiral line. The utility model discloses a precast concrete fan tower section of thick bamboo main part's precast concrete component size is controllable, the preparation is simple and easy, construction convenience, structural stress performance are good, can accelerate the on-the-spot progress of assembling of precast element, has reduced construction cost, is applicable to on land and marine fan pylon.
Description
Technical Field
The utility model belongs to the technical field of wind-powered electricity generation prestressing force pylon, especially, relate to a precast concrete fan tower section of thick bamboo.
Background
With the rapid development of the wind power industry, the capacity of a single machine of a wind turbine generator set is continuously increased, and in order to effectively utilize wind energy, a fan tower is also made higher. The tower is used as a bearing and supporting part of the whole wind generating set, the cost of the tower basically accounts for about one fourth of the cost of the whole fan, and the cost control is also important besides ensuring the normal operation of the wind generating set under various load conditions and the safety of the wind generating set under severe external conditions.
In the prior art, commonly used towers include truss type towers, tapered steel tower drums, concrete tower drums, steel-concrete tower drums (the upper part is of a steel plate structure, and the lower part is of a concrete tower drum structure), and the like. Among them, a concrete tower drum or a steel-concrete tower drum is widely used as a precast concrete tower. However, the conventional whole-ring or segmented prefabricated tower barrel encounters a bottleneck period due to the problems of road transportation limitation, difficulty in construction and manufacturing cost reduction and the like, and needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a precast concrete fan tower section of thick bamboo, aim at provide a size controllable, transportation unrestricted, can accelerate the fan tower section of thick bamboo of assembling the progress, save time, construction method are simple and convenient, structure safety.
In order to achieve the above object, the utility model adopts the following technical scheme:
a precast concrete fan tower barrel at least comprises a foundation base and a precast concrete tower barrel main body; the prefabricated concrete tower drum main body is connected to a foundation, and is formed by connecting a plurality of annular components up and down; the annular member is an annular structure surrounded by a plurality of single-piece precast concrete members; the side seams of the circumferential members on the upper layer and the lower layer are mutually connected, and a plurality of regular spiral lines are formed on the side surface of the precast concrete tower barrel main body.
The device also comprises a steel tower drum; the steel tower cylinder is fixedly connected to the upper end of the precast concrete tower cylinder main body.
The monolithic precast concrete member is an arc-shaped structure with horizontal upper and lower end surfaces and two lateral end surfaces which are parallel inclined planes or smooth curved surfaces.
The angle theta between the lateral end face of the single precast concrete member and the vertical direction is more than 0 degree and less than or equal to 45 degrees.
The angle theta between the lateral end face of the single precast concrete member and the vertical direction is 20 degrees.
The thickness of the single precast concrete member is 250mm-600mm, and the height h of the single precast concrete member is 2.0m-5.0 m.
One of the single precast concrete components is provided with a door opening.
The annular member is formed by connecting 2-5 single precast concrete members.
The annular member is formed by connecting 3 single precast concrete members.
The strength grade of the single precast concrete member is C40-C70.
Has the advantages that: the utility model discloses a foundation, connect on foundation and by a plurality of hoop components connect the precast concrete tower section of thick bamboo main part that forms from top to bottom, hoop component wherein is formed by the monolithic precast concrete component hoop fixed connection of a plurality of the same specifications, a plurality of monolithic precast concrete component hoop connect along the design of the technical scheme of a tower section of thick bamboo height formation rule helix, make the utility model discloses following beneficial effect has been produced
(1) The utility model discloses the transportation is convenient, tower section of thick bamboo equipment is swift.
(2) The utility model discloses a monolithic precast concrete component constitutes the hoop component, and the prefabricated component size design is nimble, can require the adjustment according to the transportation.
(3) The utility model discloses the prefabricated component size is less, and it is limited to pour the square volume, has avoided bulky concrete construction drawback.
(4) The utility model discloses each seam face of prefabricated component is continuous, and the local stress concentration problem that the fissure of displacement arouses can not appear, has further strengthened overall structure's security.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a transverse seam and a spiral seam in an embodiment of the present invention;
fig. 2 is an overall schematic view of a wind turbine tower according to an embodiment of the present invention;
FIG. 3 is a schematic view of a monolithic prefabricated component according to an embodiment of the present invention;
fig. 4 is a schematic view of the helix angle in an embodiment of the invention;
fig. 5 is a schematic plan view of a precast concrete tower tube according to an embodiment of the present invention.
In the figure: 1-a steel tower drum; 2-prefabricating a concrete fan tower cylinder main body; 3-door opening; 4-side seam; 5-transverse sewing surface; 6-single precast concrete member; 7-helix; the angle between the 8-lateral end face and the vertical direction is theta; 9-a circumferential member; 10-foundation; 11-top contour line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
a precast concrete wind turbine tower according to one of the embodiments shown in fig. 1-5, further comprising a precast concrete tower body 2; the precast concrete tower tube main body 2 is connected to a foundation 10, and the precast concrete tower tube main body 2 is formed by connecting a plurality of annular components 9 up and down; the annular member 9 is an annular structure formed by surrounding a plurality of single-piece precast concrete members 6; the side seams 4 of the circumferential members 9 on the upper layer and the lower layer are mutually connected, and a plurality of regular spiral lines 7 are formed on the side surface of the precast concrete tower barrel main body 2.
During actual use, the single precast concrete members 6 are precast in a concrete precast yard according to actual needs, and then the single precast concrete members 6 are transported to a wind turbine tower building site. After a foundation 10 is built, the single precast concrete members 6 are annularly assembled to form a first-stage annular member 9, the first-stage annular member is hoisted to the foundation 10 and connected with the foundation 10 by adopting the prior art, then, the second-stage annular member 9 is spliced, the second-stage annular member 9 is hoisted to the first-stage annular member 9 after being spliced, and the first-stage annular member 9 and the transverse seam surface 5 of the single precast concrete members 6 are installed until the preset height is reached; after all the single-piece precast concrete members 6 are connected, the side wall of the tower drum of the fan forms a regular spiral line 7.
Adopt the technical scheme of the utility model, 6 sizes of every prefabricated component concrete member are unanimous, and the template size is only, and the preparation is convenient. The prefabricated part has flexible size design, can be adjusted according to the transportation requirement and is convenient to transport. The prefabricated part size is less, and it is limited to pour the square volume, avoids bulky concrete construction drawback to product production is swift. Each seam surface of the prefabricated part is continuous, the problem of local stress concentration caused by staggered seams is avoided, and the safety of the whole structure is further enhanced.
After all the single-piece precast concrete components 6 are connected, a regular spiral line 7 is formed on the side wall of the precast concrete fan tower barrel main body 2, compared with the traditional vertical staggered joint, the technical scheme has the advantages that the joint surface along the height of the tower barrel is continuous, the connection points between each layer of rings are continuous, the stress is uniform, and the stress concentration caused by the staggered joint cannot be generated. And the prefabricated concrete members 6 with the same specification are adopted, so that the installation cost of the prefabricated concrete fan tower drum 2 is saved.
Example two:
according to a precast concrete wind turbine tower shown in fig. 2, the difference from the first embodiment is that: the steel tower barrel comprises a steel tower barrel 1; the steel tower tube 1 is fixedly connected to the upper end of the precast concrete tower tube main body 2.
When in actual use, the design of the steel tower barrel 1 enlarges the application range of the utility model.
Example three:
according to a precast concrete wind turbine tower shown in fig. 1 and 3, the difference from the first embodiment is that: the monolithic precast concrete member 6 is an arc-shaped structure with horizontal upper and lower end surfaces and two lateral end surfaces which are parallel inclined planes or smooth curved surfaces.
Preferably, the angle theta 8 between the lateral end surface of the single precast concrete component and the vertical direction is more than 0 degree and less than or equal to 45 degrees.
Preferably, the lateral end face of the single precast concrete unit is at an angle theta 8 of 20 degrees with the vertical direction.
In actual use, the single precast concrete member 6 adopts the technical scheme, so that the transportation is convenient on one hand; on the other hand, the side surfaces of the single precast concrete components 6 are connected with the formed regular spiral line 7, so that the prefabricated concrete fan tower drum 2 is continuous along the height seam surface, the connection points between the rings of each layer are continuous, the stress is uniform, and the stress concentration caused by staggered joints is avoided.
Example four:
according to a precast concrete wind turbine tower shown in fig. 1 and 3, the difference from the third embodiment is that: the thickness of the single precast concrete member 6 is 250mm-600mm, and the height of the single precast concrete member 6 is 2.0m-5.0 m.
In actual use, by adopting the technical scheme, the strength of the single precast concrete member 6 can meet the requirement, and the single precast concrete member is suitable for splicing in transportation and installation.
Example five:
according to a precast concrete wind turbine tower shown in fig. 1 and 3, the difference from the first embodiment is that: one of the single precast concrete members 6 is provided with a door opening 3.
In actual use, one of the single precast concrete members 6 is provided with a door opening 3, and the piece is spliced on the first-stage annular member 9 and connected with the foundation 10. By adopting the technical scheme, the fan tower can conveniently enter the fan tower through the door opening 3, and personnel can conveniently enter, exit, install, maintain and follow-up operation.
Example six:
according to a precast concrete wind turbine tower shown in fig. 1, the difference from the first embodiment is that: the annular member 9 is formed by connecting 2-5 single precast concrete members 6.
Preferably, the circumferential member 9 is formed by connecting 3 single precast concrete members 6.
When in actual use, the technical scheme is adopted, so that the transportation and the installation are convenient, and the cost is saved.
Example seven:
according to a precast concrete wind turbine tower shown in fig. 1 and 3, the difference from the first embodiment is that: the strength grade of the single precast concrete member 6 is C40-C70.
In actual use, the strength grade of the single precast concrete member 6 is C40-C70, the strength design requirement on the wind turbine tower drum is guaranteed, and the safety of construction and use is guaranteed.
Example eight:
a precast concrete fan tower cylinder 2 is a lower structure of a steel tower cylinder 1, a fan head is installed on the upper portion of the steel tower cylinder 1, and the precast concrete fan tower cylinder 2 is installed on a foundation 10; wherein: the prefabricated concrete fan tower cylinder 2 is formed by splicing a plurality of annular members 9, the inner diameter of each annular member and the outer diameter of each annular member are equal, namely the inner diameter of each annular member is 3.8m, the outer diameter of each annular member is 4.6m, the wall thickness is 400mm, each annular member is 9 m high, the height of each annular member is 2.5m, the concrete strength grade is C60, and the bottom concrete member is provided with a door opening 3, so that personnel can conveniently enter and exit and carry equipment. Each stage of annular member 9 is formed by splicing 3 precast concrete members 6, and the shape and the characteristics of each concrete member 6 are consistent.
In this embodiment, two lateral end surfaces of the precast concrete unit 6 are inclined planes, an angle θ 8 between the lateral end surface and the vertical direction is 25 °, and the precast concrete units 6 are identical in size and keep away from the door opening. The connecting seam of the end faces of the precast concrete members 6 forms a regular spiral line 7 along the total height of the tower, and the bottom contour line of the side end face of each precast concrete member 6 is in the same position with the top contour line 11 of the side end face of the single precast concrete member 6 at the layer below the side end face of each ring of annular members 9 installed along the total height of the precast concrete members.
To sum up, with the aid of the above-mentioned technical scheme of the utility model, through the precast concrete tower section of thick bamboo that is formed by connecting from top to bottom a plurality of hoop components of connecting on the foundation 10, the hoop component is formed by a plurality of monolithic precast concrete component hoop fixed connection, and the side seam that a plurality of monolithic precast concrete component connect forms the technical scheme of regular helix.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating 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 case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a precast concrete fan tower section of thick bamboo includes ground basis (10) at least, its characterized in that: the tower also comprises a precast concrete tower barrel main body (2); the precast concrete tower tube main body (2) is connected to a foundation (10), and the precast concrete tower tube main body (2) is formed by connecting a plurality of annular components (9) up and down; the annular member (9) is of an annular structure formed by a plurality of single precast concrete members (6) in a surrounding mode; the side seams (4) of the upper and lower layers of annular members (9) are mutually connected, and a plurality of regular spiral lines (7) are formed on the side surface of the precast concrete tower barrel main body (2).
2. The precast concrete wind turbine tower of claim 1, wherein: the steel tower comprises a steel tower barrel (1); the steel tower tube (1) is fixedly connected to the upper end of the precast concrete tower tube main body (2).
3. The precast concrete wind turbine tower of claim 1, wherein: the monolithic precast concrete member (6) is in an arc structure with horizontal upper and lower end surfaces and two lateral end surfaces which are parallel inclined planes or smooth curved surfaces.
4. The precast concrete wind turbine tower of claim 3, wherein: the angle theta (8) between the lateral end face of the single precast concrete member and the vertical direction is more than 0 degree and less than or equal to 45 degrees.
5. The precast concrete wind turbine tower of claim 4, wherein: the lateral end face of the single precast concrete member is 20 degrees relative to the vertical direction angle theta (8).
6. The precast concrete wind turbine tower of claim 3, wherein: the thickness of the single precast concrete member (6) is 250mm-600mm, and the height of the single precast concrete member (6) is 2.0m-5.0 m.
7. The precast concrete wind turbine tower of claim 1, wherein: one of the single precast concrete members (6) is provided with a door opening (3).
8. The precast concrete wind turbine tower of claim 1, wherein: the annular member (9) is formed by connecting 2-5 single precast concrete members (6).
9. The precast concrete wind turbine tower of claim 8, wherein: the annular member (9) is formed by connecting 3 single precast concrete members (6).
10. The precast concrete wind turbine tower of claim 1, wherein: the strength grade of the single precast concrete member (6) is C40-C70.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994786.8U CN211116419U (en) | 2019-11-19 | 2019-11-19 | Precast concrete fan tower section of thick bamboo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994786.8U CN211116419U (en) | 2019-11-19 | 2019-11-19 | Precast concrete fan tower section of thick bamboo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211116419U true CN211116419U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921994786.8U Active CN211116419U (en) | 2019-11-19 | 2019-11-19 | Precast concrete fan tower section of thick bamboo |
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| CN (1) | CN211116419U (en) |
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- 2019-11-19 CN CN201921994786.8U patent/CN211116419U/en active Active
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