CN202047421U - Foundation transition section for offshore wind power tower - Google Patents
Foundation transition section for offshore wind power tower Download PDFInfo
- Publication number
- CN202047421U CN202047421U CN2011201226933U CN201120122693U CN202047421U CN 202047421 U CN202047421 U CN 202047421U CN 2011201226933 U CN2011201226933 U CN 2011201226933U CN 201120122693 U CN201120122693 U CN 201120122693U CN 202047421 U CN202047421 U CN 202047421U
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- CN
- China
- Prior art keywords
- changeover portion
- section
- ring
- offshore wind
- underwater foundation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a foundation transition section for an offshore wind power tower, which comprises an underwater foundation section, a transition section and a steel flange. The underwater foundation section is in a cylindrical steel structure, the outer edge wall of the underwater foundation section is provided with a ring-shaped boss, screw holes are uniformly distributed on the circumference of the ring-shaped boss, the transition section is made of prestressed reinforced concrete and includes a cylindrical portion and a conical cylinder portion, a support block is prearranged on the inner wall of the cylindrical portion, the steel flange is embedded on the upper portion of the conical cylinder portion, the bottom of the transition section is provided with an annular rubber sealing ring which is fixed above the ring-shaped boss of the underwater foundation section, and the support block is fixed at the top of the underwater foundation section. The foundation transition section for the offshore wind power tower is simple and reliable in structure, convenient in construction, fine in corrosion resistance and capable of effectively reducing manufacturing cost of wind power equipment.
Description
Technical field
The utility model belongs to wind power plant, particularly a kind of offshore wind farm tower foundation changeover portion.
Background technology
At present, the wind-power electricity generation of China is used and is progressively expanded to the sea, wind-power electricity generation pylon basis changeover portion is the important foundation ingredient of Oversea wind power generation, wind power tower basis changeover portion commonly used is mainly steel design, because the effect of adverse circumstances factors such as seawater, morning and evening tides, the pylon changeover portion is subjected to the mutual corrosion failure of seawater and air, and anticorrosion cost is higher, and technical difficulty is bigger.
Summary of the invention
At the defective of existing wind power tower basis changeover portion, the utility model utilizes the Anticorrosive Character of prestressed reinforced concrete, and a kind of offshore wind farm tower foundation changeover portion of corrosion-resistant, low cost of manufacture is provided.
For achieving the above object, the technical solution adopted in the utility model is: a kind of offshore wind farm tower foundation changeover portion, comprise underwater foundation section, changeover portion and steel flanges, described underwater foundation section is the cylindrical steel structure, its perimeter wall is provided with the annulus boss, and annulus boss circumference evenly is furnished with connection holes; Changeover portion adopts prestressed reinforced concrete to make, and is divided into cylindrical portions may and awl tube part, presets back-up block on the inwall of cylindrical portions may, and the upper end of awl tube part is embedded with steel flanges; Changeover portion bottom is provided with the ring-shaped rubber sealing ring, and ring-shaped rubber sealing ring circumference evenly is furnished with connection holes, and its connection holes cooperates with the connection holes of annulus boss the ring-shaped rubber sealing ring is fixed on above the annulus boss, and back-up block is fixed on the top of underwater foundation section.
Described steel flanges bottom is provided with stiffener.
The annular gap that forms between described underwater foundation section and the changeover portion is filled with composite concrete.
Simple and reliable for structure, the easy construction of offshore wind farm tower foundation changeover portion that the utility model provides, anticorrosive property is good, and can effectively reduce the wind power equipment manufacturing cost.
Description of drawings
Fig. 1 is the integral outer structural representation of the utility model embodiment;
Fig. 2 is that underwater foundation section of the present utility model and changeover portion bottom connect schematic diagram;
Fig. 3 is that the underwater foundation section top of the utility model embodiment connects schematic diagram with changeover portion;
Fig. 4 is the pre-buried mode schematic diagram of the steel flanges of the utility model embodiment;
1. underwater foundation sections among the figure; 2. changeover portion; 3. ring-shaped rubber sealing ring; 4. screw; 5. annulus boss; 6. back-up block; 7. multiple
Close concrete; 8. steel flanges; 9. stiffener.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Offshore wind farm tower foundation changeover portion comprises underwater foundation section 1, changeover portion 2 and steel flanges 8, and underwater foundation section 1 is the cylindrical steel structure, and its perimeter wall is provided with annulus boss 5, and annulus boss 5 circumference evenly are furnished with screw; Changeover portion 2 is divided into cylindrical portions may and awl tube part, presets back-up block 6 on the inwall of cylindrical portions may, and back-up block 6 is fixed on the top of underwater foundation section 1; The bottom of changeover portion 2 is provided with ring-shaped rubber sealing ring 3, ring-shaped rubber sealing ring 3 circumference evenly are furnished with connection holes, its connection holes aligns with the screw of annulus boss 5 and cooperates, and utilizes screw 4 ring-shaped rubber sealing ring 3 to be fixed on annulus boss 5 tops of underwater foundation section 1; The upper end of changeover portion 2 awl tube parts is embedded with steel flanges 8, steel flanges 8 top circumference arrange that evenly connecting hole is to connect other upper column section, stiffener 9 is established in steel flanges 8 bottoms, and stiffener 9 is imbedded in the annulus wall of changeover portion 2, to strengthen the stability of steel flanges 8; The annular gap that forms between changeover portion 2 and the underwater foundation section 1 is filled composite concrete 7.
Claims (3)
1. an offshore wind farm tower foundation changeover portion comprises underwater foundation section, changeover portion and steel flanges, it is characterized in that: described underwater foundation section is the cylindrical steel structure, and its perimeter wall is provided with the annulus boss, and annulus boss circumference evenly is furnished with connection holes; Changeover portion adopts prestressed reinforced concrete to make, and is divided into cylindrical portions may and awl tube part, presets back-up block on the inwall of cylindrical portions may, and the upper end of awl tube part is embedded with steel flanges; Changeover portion bottom is provided with the ring-shaped rubber sealing ring, and ring-shaped rubber sealing ring circumference evenly is furnished with connection holes, and its connection holes cooperates with the connection holes of annulus boss the ring-shaped rubber sealing ring is fixed on above the annulus boss, and back-up block is fixed on the top of underwater foundation section.
2. offshore wind farm tower foundation changeover portion according to claim 1 is characterized in that described steel flanges bottom is provided with stiffener.
3. offshore wind farm tower foundation changeover portion according to claim 1 is characterized in that the annular gap that forms between described underwater foundation section and the changeover portion is filled with composite concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201226933U CN202047421U (en) | 2011-04-22 | 2011-04-22 | Foundation transition section for offshore wind power tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201226933U CN202047421U (en) | 2011-04-22 | 2011-04-22 | Foundation transition section for offshore wind power tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202047421U true CN202047421U (en) | 2011-11-23 |
Family
ID=44987734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201226933U Expired - Fee Related CN202047421U (en) | 2011-04-22 | 2011-04-22 | Foundation transition section for offshore wind power tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202047421U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877478A (en) * | 2012-09-11 | 2013-01-16 | 天津大学 | Steel-concrete composite cylindrical foundation structure and construction method thereof |
| CN103225313A (en) * | 2013-04-23 | 2013-07-31 | 天津大学 | Connection flange for prestressed reinforced concrete composite foundation |
| CN104652469A (en) * | 2013-11-19 | 2015-05-27 | 天津市海盛嘉禾能源科技有限公司 | Suction type hydraulic rotary flange mechanism |
| CN105735338A (en) * | 2014-12-09 | 2016-07-06 | 河南省电力勘测设计院 | Prestress assembled-type fan foundation |
| CN105888986A (en) * | 2016-06-21 | 2016-08-24 | 湖南科技大学 | Fan tower tube assembly, tower tube and tower tube installing method |
| CN106640545A (en) * | 2016-12-13 | 2017-05-10 | 北京金风科创风电设备有限公司 | Transition connecting piece, concrete tower and concrete tower construction method |
| CN106759436A (en) * | 2016-12-16 | 2017-05-31 | 青岛华创风能有限公司 | A kind of practical foundation ring water-tight corrosion-proof method |
-
2011
- 2011-04-22 CN CN2011201226933U patent/CN202047421U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877478A (en) * | 2012-09-11 | 2013-01-16 | 天津大学 | Steel-concrete composite cylindrical foundation structure and construction method thereof |
| CN102877478B (en) * | 2012-09-11 | 2015-02-11 | 天津大学 | Steel-concrete composite cylindrical foundation structure and construction method thereof |
| CN103225313A (en) * | 2013-04-23 | 2013-07-31 | 天津大学 | Connection flange for prestressed reinforced concrete composite foundation |
| CN104652469A (en) * | 2013-11-19 | 2015-05-27 | 天津市海盛嘉禾能源科技有限公司 | Suction type hydraulic rotary flange mechanism |
| CN104652469B (en) * | 2013-11-19 | 2016-08-24 | 天津市海盛嘉禾能源科技有限公司 | A kind of hydraulic rotating flange mechanism being applicable to suction type foundation installation under water |
| CN105735338A (en) * | 2014-12-09 | 2016-07-06 | 河南省电力勘测设计院 | Prestress assembled-type fan foundation |
| CN105735338B (en) * | 2014-12-09 | 2017-12-29 | 河南省电力勘测设计院 | Prestressing force assembly type blower foundation |
| CN105888986A (en) * | 2016-06-21 | 2016-08-24 | 湖南科技大学 | Fan tower tube assembly, tower tube and tower tube installing method |
| CN105888986B (en) * | 2016-06-21 | 2019-02-19 | 湖南科技大学 | A kind of blower fan tower barrel component, tower and tower installation method |
| CN106640545A (en) * | 2016-12-13 | 2017-05-10 | 北京金风科创风电设备有限公司 | Transition connecting piece, concrete tower and concrete tower construction method |
| CN106640545B (en) * | 2016-12-13 | 2021-04-13 | 北京金风科创风电设备有限公司 | Transition connecting piece, concrete tower and concrete tower construction method |
| CN106759436A (en) * | 2016-12-16 | 2017-05-31 | 青岛华创风能有限公司 | A kind of practical foundation ring water-tight corrosion-proof method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20180422 |