CN211116421U - Precast concrete fan tower barrel with spiral line connecting seam - Google Patents
Precast concrete fan tower barrel with spiral line connecting seam Download PDFInfo
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- CN211116421U CN211116421U CN201921998151.5U CN201921998151U CN211116421U CN 211116421 U CN211116421 U CN 211116421U CN 201921998151 U CN201921998151 U CN 201921998151U CN 211116421 U CN211116421 U CN 211116421U
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- precast concrete
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- wind turbine
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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
Abstract
The utility model belongs to the technical field of wind-powered electricity generation prestressing force pylon, concretely relates to precast concrete fan tower section of thick bamboo with helix joint line. The utility model discloses by fan tower section of thick bamboo basis, by a plurality of inner walls open the hoop precast concrete component that the monolithic precast concrete component concatenation that has the bolt pore was formed of nut mounting groove and nut mounting groove to side direction terminal surface level is opened and is formed, splice, hoist and mount hoop precast concrete component, fill up four steps of nut mounting groove and front cover through hoop precast concrete component and connect and form. The utility model discloses the transportation is convenient, the connection is simple and the cost is lower.
Description
Technical Field
The utility model belongs to the technical field of wind-powered electricity generation prestressing force pylon, concretely relates to precast concrete fan tower section of thick bamboo with helix joint line.
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.
The commonly used tower frames are in the forms of truss type tower frames, conical steel tower frames, concrete tower barrels, steel-concrete tower barrels (the upper part is of a steel plate structure, and the lower part is of a concrete tower barrel structure) and the like. Among them, a concrete tower drum or a steel-concrete tower drum is widely used as a precast concrete tower. The precast concrete tower tube is easy to manufacture, convenient to install and less in influence on the ecological environment. However, the traditional 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 further research and improvement are needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a precast concrete fan tower section of thick bamboo with helix joint, its aim at provide a convenient transportation and lower precast concrete fan tower section of thick bamboo of cost.
In order to achieve the above object, the utility model adopts the following technical scheme:
a precast concrete wind turbine tower cylinder with a spiral line connecting seam at least comprises a wind turbine tower cylinder foundation, an annular precast concrete member and a single concrete precast member; the annular precast concrete members are connected in sequence from the bottom to the top of the fan tower cylinder foundation; the annular precast concrete component is formed by annularly splicing a plurality of single precast components; the single-piece concrete prefabricated part is of an arc structure with horizontal upper and lower end surfaces and two lateral sections which are parallel inclined planes or smooth curved surfaces, a nut mounting groove is formed in the inner wall of the single-piece concrete prefabricated part, a bolt hole channel is formed from the nut mounting groove to the lateral section of the single-piece concrete prefabricated part in a horizontal mode, and the nut mounting groove and the bolt hole channel are symmetrically arranged on the left side and the right side of the single-piece concrete prefabricated part.
One of the single concrete prefabricated parts is provided with a door opening, and the single concrete prefabricated part provided with the door opening is connected with the fan tower cylinder foundation.
The lateral sections of the upper and lower annular precast concrete members 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 bolt hole is positioned at the wall thickness of the inner wall 1/3 of the single-piece concrete prefabricated part.
The nut mounting grooves and the bolt pore channels are symmetrically and uniformly provided with 1-5 pairs on the single concrete prefabricated part.
The nut mounting groove and the bolt pore channel are symmetrically and uniformly provided with 3 pairs on the single concrete prefabricated part.
Has the advantages that:
(1) the utility model is formed by connecting annular precast concrete components up and down, and the annular precast concrete components are spliced by single concrete precast components; according to objective conditions, the prefabricated size of the single concrete prefabricated part is determined, and transportation is facilitated.
(2) The utility model discloses a monolithic concrete prefabricated component specification same, practiced thrift the cost of manufacturing.
(3) The utility model discloses well monolithic concrete prefabricated component's nut mounting groove and bolt pore's setting for concatenation, simple to operate.
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 elevation view of the present invention;
FIG. 2 is a schematic view of the layout of the single prefabricated part of the present invention;
fig. 3 is a connection flowchart of the present invention.
The reference numbers in the figures illustrate: 1-prefabricating a concrete tower drum main body; 2-single concrete prefabricated parts; 3, annularly prefabricating a concrete member; 4-horizontal circular seam surface; 5-spiral sewing surface; 6-lateral section; 7-bolt hole channel; 8-nut mounting groove; 9-bolt; 10-wind turbine tower foundation.
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:
the prefabricated concrete wind turbine tower with the spiral line connecting seam at least comprises a wind turbine tower foundation 10, an annular prefabricated concrete component 3 and a single-piece concrete prefabricated component 2, wherein the prefabricated concrete wind turbine tower with the spiral line connecting seam is shown in the figures 1-2; the annular precast concrete members 3 are multiple, and the annular precast concrete members 3 are sequentially connected from the bottom to the top of the fan tower cylinder foundation 10; the annular precast concrete component 3 is formed by annularly splicing a plurality of single concrete precast components 2; the single-piece concrete prefabricated part 2 is of an arc structure with an upper end face horizontal and a lower end face horizontal and two lateral sections 6 which are parallel inclined planes or smooth curved surfaces, a nut mounting groove 8 is formed in the inner wall of the single-piece concrete prefabricated part 2, a bolt hole 7 is formed from the nut mounting groove 8 to the lateral section 6 of the single-piece concrete prefabricated part 2 horizontally, and the nut mounting groove 8 and the bolt hole 7 are symmetrically arranged on the left side and the right side of the single-piece concrete prefabricated part 2.
In actual use, the single-piece concrete prefabricated part 2 is prefabricated into a size which is convenient to transport and install according to conditions of objective environment in a prefabricating field. Transporting the prefabricated single concrete prefabricated part 2 to a fan tower installation site, inserting bolts into bolt ducts 7 of the prefabricated single concrete prefabricated part 2 in advance, splicing the bolts into an annular prefabricated concrete part 3, and screwing nuts at the ends of the bolts in a nut installation groove 8; splicing the annular precast concrete members 3, hoisting the annular precast concrete members 3 on a fan tower cylinder foundation 10, and then hoisting the annular precast concrete members layer by layer through a horizontal annular seam surface 4, so that a side seam formed by connecting the lateral sections of the single precast concrete members forms a regular spiral seam surface; after the completion, the nut mounting groove is backfilled and leveled by mortar; and then, sealing the surface of the spiral seam by adopting engineering waterproof glue to finish the connection of the fan tower cylinder.
The utility model discloses a prefabricated component of monolithic concrete 2 confirms prefabricated dimension according to objective condition, has made things convenient for the transportation. The bolts used for connection have to meet the strength requirements of the wind turbine tower design. The single-piece concrete prefabricated part 2 has the same specification, so that the manufacturing cost is saved. The utility model discloses well monolithic concrete prefabricated component 2's nut mounting groove 8 and bolt pore 7's setting for concatenation, simple to operate.
Example two:
according to the prefabricated concrete wind turbine tower with the spiral line connecting seam shown in the figure 1, the difference from the first embodiment is that: one of the single concrete prefabricated parts 2 is provided with a door opening, and the single concrete prefabricated part 2 provided with the door opening is connected with the fan tower cylinder foundation 10.
When the in-service use, adopt this technical scheme, can come in and go out a fan tower section of thick bamboo through the door opening, make the utility model discloses an installation is more convenient with the maintenance.
Example three:
according to the prefabricated concrete wind turbine tower with the spiral line connecting seam shown in the figures 1 and 2, the difference from the first embodiment is that: the lateral sections 6 of the upper and lower annular precast concrete members 3 are mutually connected, and a plurality of regular spiral lines are formed on the side surface of the precast concrete tower barrel main body 1.
In actual use, after all the single precast concrete members 2 are connected, a regular spiral seam surface 5 is formed on the side wall of the precast concrete fan tower cylinder 2.
Example four:
according to the prefabricated concrete wind turbine tower with the spiral line connecting seam shown in fig. 2, the difference from the first embodiment is that: the bolt hole 7 is positioned at the wall thickness of the inner wall 1/3 of the single-piece concrete prefabricated part 2.
During the in-service use, bolt pore 7 is close to monolithic concrete prefabricated component 2 inner wall side and reserves bolt pore, is favorable to construction and structure safety.
Example five:
according to the prefabricated concrete wind turbine tower with the spiral line connecting seam shown in fig. 2, the difference from the first embodiment is that: the nut mounting grooves 8 and the bolt pore passages 7 are symmetrically and uniformly provided with 1-5 pairs on the single concrete prefabricated part 2.
Preferably, the nut installation grooves 8 and the bolt tunnels 7 are symmetrically and uniformly arranged in 3 pairs on the single concrete prefabricated part 2.
When in actual use, the nut mounting grooves 8 and the bolt pore passages 7 are symmetrically and uniformly arranged on the single concrete prefabricated part 2, so that the fan tower cylinder is convenient to splice and mount. The number of pairs of the nut mounting grooves 8 and the bolt hole channels 7 which are symmetrically and uniformly arranged can be set according to different requirements, and the purpose of firm and stable installation of the fan tower cylinder is achieved.
Example six:
the connecting method of the precast concrete wind turbine tower with the spiral line connecting joint shown in the figure 3 comprises the following steps
The method comprises the following steps: splicing of circumferential precast concrete members 3
Inserting bolts into bolt hole channels 7 of the prefabricated single-piece concrete prefabricated components 2, splicing the bolts into annular prefabricated concrete components 3, and screwing nuts at the ends of the bolts in nut mounting grooves 8;
step two: hoisting annular precast concrete member 3
Hoisting the annular precast concrete members 3 spliced in the step one on a fan tower drum foundation 10 layer by layer, so that side seams formed by connecting the lateral sections 6 of the single precast concrete members 3 form a regular spiral seam surface 5;
step three: filling nut mounting groove 8
After the second step is finished, backfilling and leveling the nut mounting groove 8 by using mortar;
step four: covers
And after the third step is finished, a cover is applied to the spiral seam surface 5, and the connection of the fan tower cylinder is finished.
Preferably, the tensile strength of the bolt is greater than or equal to 400N/mm2The engineering bolt of (1).
Preferably, the cover adopts engineering waterproof glue.
In the time of practical use, the utility model discloses a concatenation of hoop precast concrete component 3, hoist and mount hoop precast concrete component 3, fill up four steps of nut mounting groove 8 and front cover, accomplished the connection that has the precast concrete fan tower section of thick bamboo of helix joint. The bolt in the embodiment adopts the bolt with the tensile strength of more than or equal to 400N/mm2The engineering bolt ensures the connection strength; the front cover adopts engineering waterproof glue, not only reaches the purpose of front cover, practices thrift the cost moreover.
Adopt the technical scheme of the utility model, not only connect conveniently, and safety, environmental protection, still effectual saving the cost.
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 (6)
1. The utility model provides a precast concrete wind turbine tower section of thick bamboo with helix joint, includes wind turbine tower section of thick bamboo basis (10) at least, its characterized in that: the concrete prefabricated part also comprises an annular prefabricated concrete component (3) and a single-piece concrete prefabricated component (2); the annular precast concrete members (3) are multiple, and the annular precast concrete members (3) are sequentially connected from bottom to top from the fan tower cylinder foundation (10); the annular precast concrete component (3) is surrounded by a plurality of single-piece precast concrete components (2) to form an annular structure; monolithic precast concrete component (2) are end surface level and two side direction sections (6) are parallel inclined plane or smooth curved surface's arc structure about for, and the inner wall of monolithic precast concrete component (2) is opened has nut mounting groove (8), and nut mounting groove (8) are opened to the side direction section (6) level of monolithic precast concrete component (2) has bolt pore (7), and nut mounting groove (8) and bolt pore (7) symmetry set up the left and right sides at monolithic precast concrete component (2).
2. The precast concrete wind turbine tower having a helical connecting joint as recited in claim 1, wherein: one of the single concrete prefabricated parts (2) is provided with a door opening, and the single concrete prefabricated part (2) provided with the door opening is connected with the fan tower cylinder foundation (10).
3. The precast concrete wind turbine tower having a helical connecting joint as recited in claim 1, wherein: the lateral sections (6) of the upper and lower annular precast concrete members (3) are mutually connected, and a plurality of regular spiral lines are formed on the side surface of the precast concrete tower barrel main body (1).
4. The precast concrete wind turbine tower having a helical connecting joint as recited in claim 1, wherein: the bolt hole (7) is positioned at the wall thickness of the inner wall 1/3 of the single-piece concrete prefabricated part (2).
5. The precast concrete wind turbine tower having a helical connecting joint as recited in claim 4, wherein: the nut mounting grooves (8) and the bolt pore channels (7) are symmetrically and uniformly provided with 1-5 pairs on the single concrete prefabricated part (2).
6. The precast concrete wind turbine tower having a helical connecting joint as recited in claim 5, wherein: the nut mounting groove (8) and the bolt hole channel (7) are symmetrically and uniformly provided with 3 pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998151.5U CN211116421U (en) | 2019-11-19 | 2019-11-19 | Precast concrete fan tower barrel with spiral line connecting seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998151.5U CN211116421U (en) | 2019-11-19 | 2019-11-19 | Precast concrete fan tower barrel with spiral line connecting seam |
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| Publication Number | Publication Date |
|---|---|
| CN211116421U true CN211116421U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921998151.5U Active CN211116421U (en) | 2019-11-19 | 2019-11-19 | Precast concrete fan tower barrel with spiral line connecting seam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761954A (en) * | 2019-11-19 | 2020-02-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower cylinder with spiral line connecting seam and connecting method |
-
2019
- 2019-11-19 CN CN201921998151.5U patent/CN211116421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761954A (en) * | 2019-11-19 | 2020-02-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower cylinder with spiral line connecting seam and connecting method |
| CN110761954B (en) * | 2019-11-19 | 2024-01-19 | 中国电建集团西北勘测设计研究院有限公司 | Precast concrete fan tower barrel with spiral line connecting seam and connecting method |
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