CN209838602U - External prestress structure for wind power tower - Google Patents
External prestress structure for wind power tower Download PDFInfo
- Publication number
- CN209838602U CN209838602U CN201920703358.9U CN201920703358U CN209838602U CN 209838602 U CN209838602 U CN 209838602U CN 201920703358 U CN201920703358 U CN 201920703358U CN 209838602 U CN209838602 U CN 209838602U
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- tower
- flange
- concrete
- annular groove
- hole
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000000338 in vitro Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Landscapes
- Wind Motors (AREA)
Abstract
The utility model belongs to the technical field of wind power tower construction, and discloses an external prestress structure for a wind power tower, which comprises a concrete foundation, a tower cylinder connected with the concrete foundation and a tensile steel bar; a support nut is pre-embedded in the concrete foundation; the tower barrel is sequentially provided with a bottom tower barrel, at least one section of middle tower barrel and a top tower barrel from bottom to top, a first annular boss is arranged on the inner side of the bottom tower barrel, a second annular boss is arranged on the inner side of the top tower barrel, a first steel pipe is arranged in the first annular boss, and a second steel pipe is arranged on the second annular boss; one end of the tensile steel bar penetrates through the first steel pipe and is anchored with the supporting nut, and the other end of the tensile steel bar penetrates through the second steel pipe and is anchored with the top of the second annular boss. The utility model can improve the durability of the concrete on the basis of reducing the dead weight of the tower; and use the utility model discloses an in-process can make the staff carry out swift inspection and maintenance.
Description
Technical Field
The utility model belongs to the technical field of wind-powered electricity generation pylon is built, especially, relate to an external prestressing force structure for wind-powered electricity generation pylon.
Background
The wind power tower is a wind turbine generator component used for supporting the engine room and the wind wheel, and along with the continuous increase of the power of the wind turbine generator, the height of the tower is higher and higher, and correspondingly, the strength requirement of the tower is higher and higher. However, due to the limitation of the assembling condition, the installation cost of the tower is also increasing, and the installation of the tower is inconvenient and the strength of the tower cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model discloses an external prestress structure for a wind power tower, which can improve the durability of concrete on the basis of reducing the self weight of the tower; and use the utility model discloses an in-process can make the staff carry out swift inspection and maintenance. The utility model discloses a concrete technical scheme as follows:
an external prestress structure for a wind power tower comprises a concrete foundation, a tower cylinder and a tensile steel bar, wherein the tower cylinder is connected with the concrete foundation; a support nut is pre-embedded in the concrete foundation; the tower barrel is sequentially provided with a bottom-end tower barrel, at least one section of middle-end tower barrel and a top-end tower barrel from bottom to top; a first annular boss is arranged on the inner side of the bottom tower barrel, and a second annular boss is arranged on the inner side of the top tower barrel; a first steel pipe is arranged in the first annular boss, and a second steel pipe is arranged in the second annular boss; one end of the tensile steel bar penetrates through the first steel pipe and is anchored with the supporting nut, and the other end of the tensile steel bar penetrates through the second steel pipe and is anchored with the top of the second annular boss.
Has the advantages that: the utility model utilizes the tensile steel bar to reinforce the tower frame, and can effectively reduce the deformation of the tower frame on the basis of effectively reducing the dead weight of the tower frame; because the tensile steel bar is positioned at the outer side of the tower frame, the utility model can facilitate the quick inspection and maintenance of workers during the use process; the first annular boss can be connected with the second annular boss through the tensile steel bar and can also be used as the integral structure of the foundation-based good support tower.
Preferably, the number of the middle tower barrels is one segment; the top of the tower drum at the bottom end is provided with a first flange; a second flange is arranged at the bottom of the middle tower barrel close to the tower barrel at the bottom end, and a third flange is arranged at the top of the middle tower barrel close to the tower barrel at the top end; a fourth flange is arranged at the bottom of the top tower; the first flange is connected with the second flange; the third flange and the fourth flange are connected.
Has the advantages that: the four flanges can respectively enhance the tightness between the two tower drums, and according to the existing sectional type tower drum, an adhesive filling agent can be smeared between the two adjacent tower drums; the double-end stud is arranged between the two adjacent flanges, so that the two adjacent tower barrels can be well connected, and the overall strength of the tower is improved.
Preferably, the first flange, the second flange, the third flange and the fourth flange are all embedded flanges; the top of the bottom tower barrel is provided with a first annular groove for placing a first flange, the bottom of the middle tower barrel close to the bottom tower barrel is provided with a second annular groove for placing a second flange, and the top of the middle tower barrel close to the bottom tower barrel is provided with a third annular groove for placing a third flange; and a fourth annular groove for placing a fourth flange is formed in the bottom of the top tower cylinder.
Has the advantages that: the design that the flange is embedded into the tower barrels can ensure that the binding surfaces of two adjacent tower barrels are tightly bound, and the strength of the tower is ensured by effectively utilizing self friction; and the flange is embedded into the tower barrel, so that good aesthetic property can be provided for the tower.
Preferably, the middle tower barrel close to the bottom tower barrel is at least provided with a first hole for pouring concrete into the first annular groove and the second annular groove, the inlet of the first hole is positioned at the upper side of the outlet, and a concrete sleeve is arranged in the first hole; the top tower barrel is at least provided with a second hole for pouring concrete into the third annular groove and the fourth annular groove, an inlet of the second hole is positioned on the upper side of the outlet, and a concrete sleeve is also arranged in the second hole.
Has the advantages that: pouring concrete into the two adjacent annular grooves to further stabilize the concrete; the design of the concrete sleeve can effectively ensure that concrete enters the annular groove, so that the two adjacent annular grooves can be completely filled with the concrete.
Preferably, the middle tower barrel close to the bottom tower barrel is provided with four first holes distributed in an annular array; the top tower cylinder is provided with four second holes distributed in an annular array.
Has the advantages that: the two adjacent annular grooves are filled with concrete by utilizing the fluidity of the concrete, however, if the concrete is solidified quickly in the pouring process, the concrete overflows from the concrete sleeve, and the stud in the annular groove cannot be well stabilized; the utility model discloses in, all establish first hole and second hole into four, can make the concrete get into in two adjacent annular grooves from four directions to ensure annular groove's packing plumpness.
Preferably, the tower barrel comprises at least two sections of middle-end tower barrels; a fifth flange and a sixth flange are arranged between two adjacent middle-end tower drums from bottom to top; the fifth flange is connected with the sixth flange.
Has the advantages that: similar to the arrangement between the bottom tower and the middle tower, the arrangement of the fifth flange and the sixth flange can enhance the tightness between two adjacent middle towers.
Preferably, the fifth flange and the sixth flange are both embedded flanges; and a fifth annular groove for placing a fifth flange is formed in one lower side of each of the two adjacent middle-end tower drums, and a sixth annular groove for placing a sixth flange is formed in one upper side of each of the two adjacent middle-end tower drums.
Has the advantages that: the flange is embedded into the tower cylinder, so that the joint surfaces of two adjacent middle-end tower cylinders are tightly jointed, and the strength of the tower is ensured by effectively utilizing self friction; and the flange is embedded into the tower barrel, so that good aesthetic property can be provided for the tower.
Preferably, at least one third hole for pouring concrete into the fifth annular groove and the sixth annular groove at the upper end is formed in one upper side of each of two adjacent middle-end towers; the inlet of the third hole is positioned at the upper side of the outlet, and a concrete sleeve is arranged in the third hole.
Has the advantages that: similar to the effect of the annular grooves, concrete is poured into the two adjacent annular grooves, so that the concrete further stabilizes the stud; the design of the concrete sleeve can effectively ensure that concrete enters the annular groove, so that the two adjacent annular grooves can be completely filled with the concrete.
Preferably, four third holes distributed in an annular array are arranged on the upper side of two adjacent middle-end towers.
Has the advantages that: similar to the first hole and the second hole, the two adjacent annular grooves are filled with concrete by utilizing the fluidity of the concrete, however, if the concrete is solidified quickly in the pouring process, the concrete overflows from the concrete sleeve, and the stud in the annular groove cannot be well stabilized; the utility model discloses in, all establish first hole and second hole into four, can make the concrete get into in two adjacent annular grooves from four directions to ensure annular groove's packing plumpness.
Compared with the prior art, the utility model can improve the bearing capacity of the tower and reduce the occurrence of the tower in the use process; and can ensure that the utility model is anti-seismic and reinforced; the utility model discloses on the basis of saving the dead weight, offset the tensile stress that the load leads to, thereby improve the utility model discloses a life.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view of a direction a of fig. 1.
Fig. 3 is an enlarged view of the direction B of fig. 1.
Fig. 4 is an enlarged view of the direction C of fig. 1.
In the figure: 1-a concrete foundation; 2-a support nut; 3-a bottom tower; 4-a middle tower; 5-a top tower; 6-a first annular boss; 7-a second annular boss; 8-stretching the steel bar; 9-a first flange; 10-a second flange; 11-a third flange; 12-a fourth flange; 13-a first annular groove; 14-a second annular groove; 15-a third annular groove; 16-a fourth annular groove; 17-a first hole; 18-a second aperture; 19-a fifth flange; 20-a sixth flange; 21-a fifth annular groove; 22-a sixth annular groove; 23-third aperture.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. For those skilled in the art, the drawings of the above terms in the embodiments with specific meanings in the present invention can be understood in specific situations, and the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
The invention will be further explained with reference to the drawings and the specific embodiments.
As shown in fig. 1 to 4, an external prestressed structure for a wind power tower comprises a concrete foundation 1, a tower connected with the concrete foundation 1, and a tensile steel bar 8; a support nut 2 is embedded in the concrete foundation 1; the tower barrel is sequentially provided with a bottom end tower barrel 3, at least one section of middle end tower barrel 4 and a top end tower barrel 5 from bottom to top; a first annular boss 6 is arranged on the inner side of the bottom tower barrel 3, and a second annular boss 7 is arranged on the inner side of the top tower barrel; a first steel pipe is arranged in the first annular boss 6, and a second steel pipe is arranged in the second annular boss 7; one end of the tensile steel bar 8 penetrates through the first steel pipe to be anchored with the support nut 2, and the other end of the tensile steel bar penetrates through the second steel pipe to be anchored with the top of the second annular boss 7.
The utility model utilizes the tension steel bar 8 to reinforce the tower frame, and can effectively reduce the deformation of the tower frame on the basis of effectively reducing the dead weight of the tower frame; because the tensile steel bar 8 is positioned outside the tower frame, the utility model can facilitate the quick inspection and maintenance of the staff in the using process; the first annular boss 6 can be connected with the second annular boss 7 through the tension steel bar 8, and can also be used as an integral structure of a foundation-based good support tower.
For better use, the utility model has one section of middle tower 4; the top of the bottom tower 3 is provided with a first flange 9; the bottom of the middle tower barrel 4 close to the bottom tower barrel 3 is provided with a second flange 10, and the top of the middle tower barrel 4 close to the top tower barrel 5 is provided with a third flange 11; the bottom of the top tower 5 is provided with a fourth flange 12; the first flange 9, the second flange 10, the third flange 11 and the fourth flange 12 are all provided with connecting holes for connecting studs, and the first flange 9 is connected with the second flange 10; the third flange 11 and the fourth flange 12 are connected. The four flanges can respectively enhance the tightness between the two tower drums, and according to the existing sectional type tower drum, an adhesive filling agent can be smeared between the two adjacent tower drums; the double-end stud is arranged between the two adjacent flanges, so that the two adjacent tower barrels can be well connected, and the overall strength of the tower is improved.
For better use, the first flange 9, the second flange 10, the third flange 11 and the fourth flange 12 are all embedded flanges; a first annular groove 13 for placing the first flange 9 is formed in the top of the bottom tower 3, a second annular groove 14 for placing the second flange 10 is formed in the bottom of the middle tower 4 close to the bottom tower 3, and a third annular groove 15 for placing the third flange 11 is formed in the top of the middle tower 4 close to the bottom tower 3; the bottom of the top tower 5 is provided with a fourth annular groove 16 for placing the fourth flange 12. The design that the flange is embedded into the tower barrels can ensure that the binding surfaces of two adjacent tower barrels are tightly bound, and the strength of the tower is ensured by effectively utilizing self friction; and the flange is embedded into the tower barrel, so that good aesthetic property can be provided for the tower.
For better use, the utility model discloses, the middle-end tower 4 that is close to bottom tower 3 is equipped with four first holes 17 that pour concrete into first annular groove 13 and second annular groove 14, the entry of first hole 17 is located the upside of export, be equipped with the concrete sleeve pipe in the first hole 17; the top tower 5 is provided with four second holes 18 for pouring concrete into the third annular groove 15 and the fourth annular groove 16, the inlets of the second holes 18 are positioned at the upper side of the outlets, and concrete sleeves are also arranged in the second holes 18; the first holes 17 and the second holes 18 are distributed in an annular array. Pouring concrete into the two adjacent annular grooves to further stabilize the concrete; the design of the concrete sleeve can effectively ensure that concrete enters the annular groove, so that the two adjacent annular grooves can be completely filled with the concrete. The two adjacent annular grooves are filled with concrete by utilizing the fluidity of the concrete, however, if the concrete is solidified quickly in the pouring process, the concrete overflows from the concrete sleeve, and the stud in the annular groove cannot be well stabilized; the utility model discloses in, all establish first hole 17 and second hole 18 into four, can make the concrete get into in two adjacent annular grooves from four directions to ensure annular groove's filling plumpness.
For better use, the tower barrel comprises at least two sections of middle-end tower barrels 4; a fifth flange 19 and a sixth flange 20 are arranged between two adjacent middle-end towers 4 from bottom to top; the fifth flange 19 and the sixth flange 20 are both provided with connecting holes for connecting stud bolts; the fifth flange 19 and the sixth flange 20 are connected. Similar to the arrangement between the bottom tower 3 and the middle tower 4, the arrangement of the fifth flange 19 and the sixth flange 20 can enhance the fastening between two adjacent middle towers 4.
For better use of the present invention, the fifth flange 19 and the sixth flange 20 are both embedded flanges; the lower side of two adjacent middle towers 4 is provided with a fifth annular groove 21 for receiving the fifth flange 19, and the upper side is provided with a sixth annular groove 22 for receiving the sixth flange 20. Similar to the effect of the flange, the design of embedding the flange into the tower barrel can ensure that the binding surfaces of two adjacent middle-end tower barrels 4 are tightly bound, and the strength of the tower is ensured by effectively utilizing self friction; and the flange is embedded into the tower barrel, so that good aesthetic property can be provided for the tower.
For better use of the utility model, the upper side of two adjacent middle tower barrels 4 is provided with four third holes 23 for pouring concrete into the fifth annular groove 21 and the sixth annular groove 22 at the upper end; the inlet of the third hole 23 is positioned at the upper side of the outlet, and a concrete sleeve is arranged in the third hole 23; the third holes 23 are distributed in an annular array. Similar to the effect of the annular grooves, concrete is poured into the two adjacent annular grooves, so that the concrete further stabilizes the stud; the design of the concrete sleeve can effectively ensure that concrete enters the annular groove, so that the two adjacent annular grooves can be completely filled with the concrete. Similar to the first hole 17 and the second hole 18, the two adjacent annular grooves are filled with concrete by utilizing the fluidity of the concrete, but if the concrete is solidified faster in the pouring process, the concrete overflows from the concrete sleeve, and the stud in the annular groove cannot be well stabilized; the utility model discloses in, all establish first hole 17 and second hole 18 into four, can make the concrete get into in two adjacent annular grooves from four directions to ensure annular groove's filling plumpness.
In some embodiments, the bottom of the lower one of each two adjacent annular grooves is inclined downward from inside to outside at an angle, so that the two adjacent annular grooves are filled with concrete from bottom to top. After the pouring is finished, if the concrete sleeve extends out of the tower frame, the concrete sleeve can be directly cut off; if the tower is not extended out, the tower can be directly closed.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (9)
1. An external prestressed structure for a wind power tower, comprising:
the concrete foundation (1), the support nut (2) is embedded in the concrete foundation (1);
the concrete foundation structure comprises a tower drum connected with a concrete foundation (1), wherein the tower drum is sequentially provided with a bottom tower drum (3), at least one section of middle tower drum (4) and a top tower drum (5) from bottom to top, a first annular boss (6) is arranged on the inner side of the bottom tower drum (3), a second annular boss (7) is arranged on the inner side of the top tower drum, a first steel pipe is arranged in the first annular boss (6), and a second steel pipe is arranged on the second annular boss (7); and
and one end of the tensile steel bar (8) passes through the first steel pipe and is anchored with the support nut (2), and the other end of the tensile steel bar (8) passes through the second steel pipe and is anchored with the top of the second annular boss (7).
2. The external prestressing structure for wind towers according to claim 1, wherein the number of the middle towers (4) is one segment; the top of the bottom tower (3) is provided with a first flange (9); a second flange (10) is arranged at the bottom of the middle tower barrel (4) close to the bottom tower barrel (3), and a third flange (11) is arranged at the top of the middle tower barrel (4) close to the top tower barrel (5); a fourth flange (12) is arranged at the bottom of the top tower barrel (5); the first flange (9) and the second flange (10) are connected; the third flange (11) and the fourth flange (12) are connected.
3. The external prestressing structure for a wind tower according to claim 2, wherein the first flange (9), the second flange (10), the third flange (11) and the fourth flange (12) are all embedded flanges; a first annular groove (13) for placing a first flange (9) is formed in the top of the bottom tower drum (3), a second annular groove (14) for placing a second flange (10) is formed in the bottom of the middle tower drum (4) close to the bottom tower drum (3), and a third annular groove (15) for placing a third flange (11) is formed in the top of the middle tower drum (4) close to the bottom tower drum (3); and a fourth annular groove (16) for placing a fourth flange (12) is formed in the bottom of the top tower barrel (5).
4. An in vitro prestressing structure for a wind tower according to claim 3,
the middle tower barrel (4) close to the bottom tower barrel (3) is at least provided with a first hole (17) for pouring concrete into the first annular groove (13) and the second annular groove (14), the inlet of the first hole (17) is positioned on the upper side of the outlet, and a concrete sleeve is arranged in the first hole (17);
the top tower (5) is provided with at least one second hole (18) for pouring concrete into the third annular groove (15) and the fourth annular groove (16), the inlet of the second hole (18) is positioned on the upper side of the outlet, and a concrete sleeve is also arranged in the second hole (18).
5. An external prestressing structure for wind towers according to claim 4, wherein the middle tower (4) close to the bottom tower (3) is provided with four first holes (17) distributed in an annular array; the top tower barrel (5) is provided with four second holes (18) distributed in an annular array.
6. An external prestressed structure for wind power towers according to any one of claims 1 to 5, characterized in that said tower comprises at least two sections of middle-end towers (4); a fifth flange (19) and a sixth flange (20) are arranged between two adjacent middle-end towers (4) from bottom to top; the fifth flange (19) and the sixth flange (20) are connected.
7. The external prestressing structure for a wind tower according to claim 6, wherein the fifth flange (19) and the sixth flange (20) are both embedded flanges; the lower sides of two adjacent middle tower drums (4) are respectively provided with a fifth annular groove (21) for placing a fifth flange (19), and the upper sides of the two adjacent middle tower drums are respectively provided with a sixth annular groove (22) for placing a sixth flange (20).
8. An external prestressing structure for wind towers according to claim 7, wherein the upper side of two adjacent middle towers (4) is provided, one on each side, with at least one third hole (23) for pouring concrete into the upper fifth (21) and sixth (22) annular grooves; the inlet of the third hole (23) is positioned at the upper side of the outlet, and a concrete sleeve is arranged in the third hole (23).
9. An external prestressing structure for wind towers according to claim 8, wherein the upper side of two adjacent middle towers (4) is provided with four third holes (23) distributed in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920703358.9U CN209838602U (en) | 2019-05-15 | 2019-05-15 | External prestress structure for wind power tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920703358.9U CN209838602U (en) | 2019-05-15 | 2019-05-15 | External prestress structure for wind power tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838602U true CN209838602U (en) | 2019-12-24 |
Family
ID=68897246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920703358.9U Expired - Fee Related CN209838602U (en) | 2019-05-15 | 2019-05-15 | External prestress structure for wind power tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914352A (en) * | 2021-08-30 | 2022-01-11 | 山东电力工程咨询院有限公司 | Wind driven generator assembly integral type foundation structure and preparation method |
-
2019
- 2019-05-15 CN CN201920703358.9U patent/CN209838602U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914352A (en) * | 2021-08-30 | 2022-01-11 | 山东电力工程咨询院有限公司 | Wind driven generator assembly integral type foundation structure and preparation method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |