CN214787816U - Split type precast concrete fan tower cylinder - Google Patents
Split type precast concrete fan tower cylinder Download PDFInfo
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- CN214787816U CN214787816U CN202120493338.0U CN202120493338U CN214787816U CN 214787816 U CN214787816 U CN 214787816U CN 202120493338 U CN202120493338 U CN 202120493338U CN 214787816 U CN214787816 U CN 214787816U
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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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Abstract
本实用新型属于风电预应力塔架技术领域，具体涉及一种分片式预制混凝土风机塔筒。本实用新型包括钢塔筒、预制混凝土塔筒和地基基础；所述的钢塔筒、预制混凝土塔筒和地基基础从上至下依次设置；所述的预制混凝土塔筒由多个环向预制混凝土构件上下连接而成；所述的环向预制混凝土构件是由多个单片预制混凝土构件拼接而成的封闭环状结构；所述单片预制混凝土构件为上下两边平行、左右两边倾斜设置的轴对称弧形片状结构。本实用新型的单片预制混凝土构件尺寸可以根据实际需要进行调整、运输不受限制；本实用新型能够快速将单片预制混凝土构件进行拼装成风机塔筒，施工方法简便，且风机塔筒受力较好。
The utility model belongs to the technical field of wind power prestressed towers, in particular to a segmented precast concrete fan tower. The utility model comprises a steel tower, a prefabricated concrete tower and a foundation; the steel tower, the prefabricated concrete tower and the foundation are arranged in sequence from top to bottom; the prefabricated concrete tower is composed of a plurality of annular prefabricated The concrete members are connected up and down; the annular precast concrete member is a closed annular structure formed by splicing a plurality of single-piece precast concrete members; the single-piece precast concrete members are arranged in parallel on the upper and lower sides and inclined on the left and right sides. Axisymmetric arc-shaped sheet structure. The size of the single-piece precast concrete member of the utility model can be adjusted according to actual needs, and the transportation is not limited; the utility model can quickly assemble the single-piece precast concrete member into a fan tower, the construction method is simple, and the fan tower is stressed better.
Description
Technical Field
The utility model belongs to the technical field of wind-powered electricity generation prestressing force pylon, concretely relates to piece formula precast concrete fan tower section of thick bamboo.
Background
Along with the scarcity of non-renewable energy sources, wind power projects are put into use more and more, the height of a hub is improved, and the tower height power generation becomes a development trend. As a supporting structure of a wind turbine generator, the diameter of a tower cylinder of a high-power generator is too large, the traditional steel tower cylinder is limited by material cost, and a steel-concrete tower cylinder is produced at the same time. The cast-in-place construction of the lower concrete tower tube section requires a special template and has a long construction period, so a construction method of prefabricating and installing is generally adopted. Due to the limitation of road transportation size, large-diameter concrete tower barrels are usually prefabricated in a slicing mode and assembled into a whole on site.
The traditional segmental prefabricated tower barrel meets the bottleneck period due to the problems of road transportation limitation, difficulty in construction and manufacturing cost reduction and the like, and needs further research and improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a segment type precast concrete fan tower cylinder, and aims to provide a precast concrete fan tower cylinder with controllable size of precast components and unlimited transportation; the second purpose is to provide a split type precast concrete wind turbine tower cylinder which can accelerate the assembling progress of precast components, is simple and convenient in construction method and has better stress.
In order to achieve the above object, the utility model adopts the following technical scheme:
a piece-type precast concrete fan tower barrel at least comprises a steel tower barrel, a foundation base and a precast concrete tower barrel; the steel tower cylinder, the precast concrete tower cylinder and the foundation are sequentially arranged from top to bottom; the precast concrete tower barrel is formed by connecting a plurality of annular precast concrete components up and down; the annular precast concrete member is a closed annular structure formed by splicing a plurality of single precast concrete members; the monolithic precast concrete component is an axisymmetric arc-shaped sheet structure with the upper and lower sides parallel and the left and right sides obliquely arranged.
The central lines of the single precast concrete members in the adjacent annular precast concrete members are superposed.
The wall thickness of the single precast concrete member is 250-600 mm.
The height of the single precast concrete member is 2.0-5.0 m.
The strength grade of concrete adopted by the single precast concrete member is C40-C70.
And the annular precast concrete members connected on the foundation are provided with door openings.
The annular precast concrete member is formed by splicing 3 to 5 single precast concrete members.
The inclination angles of the left side and the right side of the single precast concrete component and the bottom edge are both 30-60 degrees.
The outer diameter and the inner diameter of the plurality of annular precast concrete members are respectively equal.
Has the advantages that:
the size of the single precast concrete member of the utility model can be adjusted according to actual needs, and the transportation is not limited; the utility model discloses can assemble into a fan tower section of thick bamboo with single precast concrete component fast, construction method is simple and convenient, and fan tower section of thick bamboo atress is better.
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 general schematic view of the present invention;
FIG. 2 is a schematic structural view of a monolithic precast concrete member of the present invention;
FIG. 3 is the utility model discloses monolithic precast concrete component concatenation installation sketch map.
In the figure: 1-a steel tower drum; 2, prefabricating a concrete tower barrel; 3-foundation; 4-annularly prefabricating a concrete member; 5-single-piece precast concrete member.
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:
referring to fig. 1-3, the segmented precast concrete wind turbine tower barrel at least comprises a steel tower barrel 1, a foundation base 3 and a precast concrete tower barrel 2; the steel tower barrel 1, the precast concrete tower barrel 2 and the foundation base 3 are sequentially arranged from top to bottom; the precast concrete tower tube 2 is formed by connecting a plurality of annular precast concrete members 4 up and down; the annular precast concrete member 4 is a closed annular structure formed by splicing a plurality of single precast concrete members 5; the single precast concrete member 5 is an axisymmetric arc-shaped sheet structure with the upper and lower sides parallel and the left and right sides obliquely arranged.
During the in-service use, at first, splice into the hoop precast concrete component 4 of closed loop structure with a plurality of monolithic precast concrete components 5, then from supreme connection in proper order forms precast concrete tower section of thick bamboo 2 on foundation 3 with hoop precast concrete component 4 down, after precast concrete tower section of thick bamboo 2 satisfies the requirement, connect steel tower section of thick bamboo 1 at precast concrete tower section of thick bamboo 2 up end. And finishing the construction of the sectional precast concrete fan tower cylinder.
The size of the single precast concrete member 5 of the utility model can be adjusted according to actual needs, and the transportation is not limited; after the single precast concrete members 5 are transported to a construction site, the single precast concrete members can be quickly assembled into the fan tower drum, the construction method is simple and convenient, and the fan tower drum is well stressed.
Example two:
referring to fig. 1 and 3, a segment type precast concrete wind turbine tower is different from the first embodiment in that: the central lines of the single precast concrete units 5 in the adjacent annular precast concrete units 4 are overlapped.
When in actual use, behind the hoop precast concrete member 4 that a plurality of monolithic precast concrete members 5 spliced into closed loop configuration, when supreme connection in proper order was on ground basis 3 down followed to hoop precast concrete member 4, the central line of every monolithic precast concrete member 5 among the adjacent hoop precast concrete member 4 aligns, coincides, makes the utility model discloses a atress is more even and stability is better.
Example three:
referring to fig. 1-3, a segment type precast concrete wind turbine tower is different from the first embodiment in that: the wall thickness of the single precast concrete member 5 is 250 mm-600 mm.
In actual use, the single-piece precast concrete member 5 adopts the technical scheme, so that the constructed split precast concrete fan tower barrel can meet the strength requirement, and the cost can be saved to the maximum extent.
Example four:
referring to fig. 1-3, a segment type precast concrete wind turbine tower is different from the first embodiment in that: the height of the single precast concrete member 5 is 2.0 m-5.0 m.
When in actual use, the single precast concrete member 5 adopts the technical scheme, so that the transportation is convenient, and the construction is also convenient.
Example five:
referring to fig. 1-3, a segment type precast concrete wind turbine tower is different from the first embodiment in that: the strength grade of the concrete adopted by the single precast concrete member 5 is C40-C70.
During the in-service use, this technical scheme is adopted to monolithic precast concrete component 5, on the basis that fan tower section of thick bamboo satisfies the strength requirement, practices thrift the cost.
Example six:
referring to fig. 1, a sectional type precast concrete wind turbine tower is different from the first embodiment in that: and a door opening is formed in the annular precast concrete member 4 connected to the foundation 3.
Adopt this technical scheme when in actual use, seted up the door opening on the hoop precast concrete component 4 of being connected with foundation 3, make things convenient for personnel to pass in and out and the transport of equipment like this.
Example seven:
referring to fig. 1 and 3, a segment type precast concrete wind turbine tower is different from the first embodiment in that: the annular precast concrete member 4 is formed by splicing 3 to 5 single precast concrete members 5.
When in actual use, the annular precast concrete member 4 adopts the technical scheme that 3 to 5 single precast concrete members 5 are spliced, so that the transportation is convenient, and the annular precast concrete member 4 is convenient to splice.
Example eight:
referring to fig. 1-3, a segment type precast concrete wind turbine tower is different from the first embodiment in that: the inclination angles of the left side and the right side of the single precast concrete member 5 and the bottom edge are both 30-60 degrees.
When in actual use, the inclination angles of the left side and the right side of the single precast concrete member 5 and the bottom side adopt the technical scheme, so that the annular precast concrete member 4 formed by splicing is stressed uniformly and meets the requirement of strength when a fan tower is constructed.
Example nine:
referring to fig. 1 and 3, a segment type precast concrete wind turbine tower is different from the first embodiment in that: the outer diameter and the inner diameter of the plurality of annular precast concrete members 4 are respectively equal.
When in actual use, the annular precast concrete member 4 adopts the technical scheme, so that the precast formwork of the single precast concrete member 5 is single, the cost is saved, the splicing is convenient, and the well spliced fan tower cylinder is uniform in stress.
Example ten:
a slice type precast concrete fan tower cylinder 2 is a lower structure of a steel tower cylinder 1, a fan machine 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; wherein:
the fan tower barrel 2 is formed by splicing a plurality of annular precast concrete members 4, each annular precast concrete member 4 is formed by splicing 4 single precast concrete members 5, the size characteristics of each single precast concrete member 5 are consistent, and the central lines of the single precast concrete members 5 in the adjacent annular precast concrete members 4 are superposed.
The inner diameter 15 and the outer diameter 16 of each annular precast concrete member 4 are equal, the inner diameter 15 is 4.2m, the outer diameter 16 is 4.9m, the wall thickness 17 is 350mm, the height 18 of each ring section tower barrel is 2.8m, and the concrete strength grade is C60.
To sum up, the utility model comprises a steel tower cylinder, a precast concrete tower cylinder and a foundation; the steel tower cylinder, the precast concrete tower cylinder and the foundation are sequentially arranged from top to bottom; the precast concrete tower barrel is formed by connecting a plurality of annular precast concrete components up and down; the annular precast concrete member is a closed annular structure formed by splicing a plurality of single precast concrete members; the monolithic precast concrete component is an axisymmetric arc-shaped sheet structure with the upper and lower sides parallel and the left and right sides obliquely arranged. The size of the single precast concrete member of the utility model can be adjusted according to actual needs, and the transportation is not limited; the utility model discloses can assemble into a fan tower section of thick bamboo with single precast concrete component fast, construction method is simple and convenient, and fan tower section of thick bamboo atress is better.
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.
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.
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.
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 (9)
1. The utility model provides a burst formula precast concrete fan tower section of thick bamboo includes steel tower section of thick bamboo (1) and foundation basis (3) at least, its characterized in that: the tower also comprises a precast concrete tower barrel (2); the steel tower tube (1), the precast concrete tower tube (2) and the foundation (3) are sequentially arranged from top to bottom; the precast concrete tower barrel (2) is formed by connecting a plurality of annular precast concrete components (4) up and down; the annular precast concrete member (4) is a closed annular structure formed by splicing a plurality of single precast concrete members (5); the single precast concrete member (5) is an axisymmetric arc-shaped sheet structure with the upper and lower sides parallel and the left and right sides obliquely arranged.
2. The segmented precast concrete wind turbine tower of claim 1, wherein: the central lines of the single precast concrete members (5) in the adjacent annular precast concrete members (4) are overlapped.
3. The segmented precast concrete wind turbine tower of claim 1 or 2, wherein: the wall thickness of the single precast concrete member (5) is 250-600 mm.
4. The segmented precast concrete wind turbine tower of claim 1 or 2, wherein: the height of the single precast concrete member (5) is 2.0-5.0 m.
5. The segmented precast concrete wind turbine tower of claim 1 or 2, wherein: the strength grade of concrete adopted by the single precast concrete member (5) is C40-C70.
6. The segmented precast concrete wind turbine tower of claim 1, wherein: and a door opening is formed in the annular precast concrete member (4) connected to the foundation (3).
7. The segmented precast concrete wind turbine tower of claim 1, wherein: the annular precast concrete member (4) is formed by splicing 3 to 5 single precast concrete members (5).
8. The segmented precast concrete wind turbine tower of claim 1, wherein: the inclination angles of the left side and the right side of the single precast concrete component (5) and the bottom edge are both 30-60 degrees.
9. The segmented precast concrete wind turbine tower of claim 1, wherein: the outer diameter and the inner diameter of the plurality of annular precast concrete members (4) are respectively equal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120493338.0U CN214787816U (en) | 2021-03-09 | 2021-03-09 | Split type precast concrete fan tower cylinder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120493338.0U CN214787816U (en) | 2021-03-09 | 2021-03-09 | Split type precast concrete fan tower cylinder |
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| CN214787816U true CN214787816U (en) | 2021-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090468A (en) * | 2021-03-09 | 2021-07-09 | 中国电建集团西北勘测设计研究院有限公司 | Segment type precast concrete fan tower cylinder and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090468A (en) * | 2021-03-09 | 2021-07-09 | 中国电建集团西北勘测设计研究院有限公司 | Segment type precast concrete fan tower cylinder and construction method |
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