CN220849886U - Anti-fracture large-scale wind driven generator blade - Google Patents
Anti-fracture large-scale wind driven generator blade Download PDFInfo
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- CN220849886U CN220849886U CN202322895609.7U CN202322895609U CN220849886U CN 220849886 U CN220849886 U CN 220849886U CN 202322895609 U CN202322895609 U CN 202322895609U CN 220849886 U CN220849886 U CN 220849886U
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- blade
- blades
- stay wire
- wind driven
- wind turbine
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- 230000002968 anti-fracture Effects 0.000 title description 4
- 238000009434 installation Methods 0.000 claims description 2
- 241001391944 Commicarpus scandens Species 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The application discloses a fracture-resistant large wind driven generator blade, which relates to the technical field of wind driven generators and comprises a hub and a plurality of blades fixedly arranged on the hub, wherein a first pull wire is detachably arranged between two adjacent blades, and a tightness adjusting device is further arranged on the first pull wire and used for adjusting the tightness degree of the first pull wire. According to the application, the plurality of blades are mutually connected in a opposite pulling way through the first pull wire, and each blade can bear force mutually, so that the connection part of the root of the blade is not easy to break, and the blade is durable for a long time and ensures safety.
Description
Technical Field
The application relates to the technical field of wind driven generators, in particular to a large-scale wind driven generator blade resistant to fracture.
Background
The wind driven generator is an electric power device which converts wind energy into mechanical work and drives a rotor to rotate and finally outputs alternating current. The wind driven generator generally comprises wind wheels, a generator (comprising a device), a direction regulator (tail wing), a tower, a speed limiting safety mechanism, an energy storage device and the like. The working principle of the wind driven generator is simple, the wind wheel rotates under the action of wind force, the kinetic energy of wind is converted into mechanical energy of the wind wheel shaft, and the generator rotates to generate electricity under the drive of the wind wheel shaft.
At present, a large-sized three-large-blade wind driven generator is seen, and the phenomenon that the connecting structure at the root of the blade is easily broken off often causes great loss to the country due to the weather of strong wind.
Disclosure of utility model
In order to solve the problem that the root of the wind driven generator blade is easy to break, the application provides a large-sized wind driven generator blade resistant to breaking.
The application provides a fracture-resistant large wind driven generator blade, which adopts the following technical scheme:
The utility model provides a large-scale aerogenerator blade of anti fracture, includes wheel hub and a plurality of fixed mounting blade on wheel hub, adjacent two all demountable installation has first acting as go-between the blade, still be provided with elasticity adjusting device on the first acting as go-between for adjust the elasticity degree of first acting as go-between.
By adopting the technical scheme, the blades are mutually oppositely pulled and connected through the first pull wire, and each blade can bear force mutually, so that the connection part of the root of the blade is not easy to break, and the blade is durable for a long time and ensures safety; the tightness adjusting device is arranged to adjust the tightness of the first stay wire, so that the first stay wire is convenient to construct and install, stress of each blade is balanced, and the structural strength of the wind wheel blade of the generator is improved.
Optionally, the tightness adjusting device comprises a basket bolt, wherein two ends of the basket bolt are fixedly connected with a first stay wire, and one end of the first stay wire, which is far away from the basket bolt, is fixedly connected with the blade.
Through adopting above-mentioned technical scheme, only need twist the basket of flowers bolt, can adjust the elasticity degree of first acting as go-between two adjacent blades to make a plurality of blades atress balance.
Optionally, one end of the first stay wire, which is far away from the basket bolt, is provided with a fastening piece, and the blade is provided with a mounting ring matched with the fastening piece.
Through adopting above-mentioned technical scheme, the mode that buckling parts and collar pass through mutual lock joint is connected, can make things convenient for and carry out stable connection between first acting as go-between and the blade to reduce the site operation degree of difficulty of first acting as go-between.
Optionally, the fixed screw that is provided with on the collar, screw hole with screw rod complex is seted up to the lateral wall of blade.
Through adopting above-mentioned technical scheme, the collar passes through threaded connection mode and installs on the blade to replace welded mode, be convenient for the staff to carry out the aerial work, reduce the site operation degree of difficulty.
Optionally, the wheel hub is located the fixed extension support that is provided with of lateral wall in windward side, be provided with the second stay wire that is used for carrying out the cable-stay to the blade on the extension support.
Through adopting above-mentioned technical scheme, the second stay wire can draw the support to one side in the windward side of blade to the atress of blade is transmitted to on extension support and the wheel hub, thereby promotes wind turbine blade's structural strength, promotes wind turbine blade's anti strong wind effect, makes wind turbine blade be difficult for the fracture, really accomplishes for a long time durable.
In summary, the present application includes at least one of the following beneficial effects:
1. The scheme adopts a mode of connecting a stay wire with the blades, and each blade is relatively stressed by pulling, so that the stability, the durability and the safety of the blade are protected;
2. The scheme adopts the stay wire to support the blade in a diagonal manner on the windward side of the blade, and can transfer the wind power acting on the front side of the blade to the hub, so that the blade is more stable and is not easy to break.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view in partial cross-section of a screw embodied in this embodiment;
Fig. 2 is an enlarged schematic view at a in fig. 1.
Reference numerals illustrate: 1. a hub; 2. a blade; 21. a threaded hole; 3. a first pull wire; 4. a tightness adjusting device; 41. a basket bolt; 5. a fastening piece; 6. a mounting ring; 61. a screw; 7. an extension bracket; 8. and a second pull wire.
Detailed Description
The application is described in further detail below with reference to fig. 1 and 2.
The embodiment of the application discloses a large-scale wind driven generator blade resistant to fracture. Referring to fig. 1 and 2, a breakage-resistant large-sized wind power generator blade includes a hub 1 and a plurality of blades 2 fixedly mounted on the hub 1; the number of blades 2 in the present case is four, and in other embodiments, three or more blades 2 may be provided. The first stay wire 3 is detachably arranged between two adjacent blades 2, and the stay wire adopts a steel wire rope or a rope made of any material with wear resistance, corrosion resistance and high strength; the first pull wire 3 is further provided with a tightness adjusting device 4 for adjusting the tightness degree of the first pull wire 3, so that the stress of each blade 2 can be balanced.
The tightness adjusting device 4 comprises a basket bolt 41, two ends of the basket bolt 41 are fixedly connected with a first pull wire 3, one end, far away from the basket bolt 41, of the first pull wire 3 is provided with a buckling piece 5, the buckling piece 5 in the embodiment adopts a buckle or a clamping hook, and the buckling piece 5 is installed on the first pull wire 3 in a binding or any reliable mode; the blade 2 is provided with a mounting ring 6 matched with the buckling piece 5, the mounting ring 6 is fixedly provided with a screw 61, the screw 61 in the scheme is fixed on the outer wall of the mounting ring 6 through welding, the side wall of the blade 2 is provided with a threaded hole 21 matched with the screw 61, and therefore the mounting ring 6 is conveniently fixed on the blade 2; the first stay wire 3 is connected to the blade 2 at one end far away from the basket bolt 41 by the fastening piece 5 and the mounting ring 6.
The wheel hub 1 is located the fixed extension support 7 that is provided with of lateral wall that faces the wind, is provided with the second that is used for carrying out the support to drawing to the blade 2 and draws line 8, and the second is drawn line 8 and is adopted the rope the same as first and is acted as go-between 3 in this case to all be provided with elasticity adjusting device 4 on the second is drawn line 8, thereby can carry out the support to drawing to the cable to the blade 2 in the windward of blade 2, effectively promote the structural strength of wind turbine blade, make the junction of blade 2 root be difficult for the fracture.
In the scheme, the method is suitable for protecting the blades 2 of the large wind driven generator, reduces the loss caused by easy breakage of the blades 2, is suitable for three or more large blades 2, ensures that each blade 2 can bear force mutually, is durable for a long time and ensures safety.
The implementation principle of the anti-fracture large wind driven generator blade provided by the embodiment of the application is as follows:
The wind turbine blade is characterized in that the wind turbine blade is connected with the blades 2 through the first pull wires 3, each blade 2 is stressed in a mutual opposite pulling manner, and the blades 2 are supported in a diagonal pulling manner through the second pull wires 8, so that positive wind power of the blades 2 can be effectively transferred and counteracted, the connecting parts of the roots of the blades 2 can be prevented from being broken easily, the service life of the wind turbine blade is effectively prolonged, durability is realized, and safety is ensured.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. A large-scale aerogenerator blade of fracture resistance, characterized in that: including wheel hub (1) and a plurality of fixed mounting blade (2) on wheel hub (1), two adjacent all demountable installation has first acting as go-between (3) between blade (2), still be provided with elasticity adjusting device (4) on first acting as go-between (3) for adjust the elasticity degree of first acting as go-between (3).
2. A breakage resistant large scale wind turbine blade in accordance with claim 1, wherein: the tightness adjusting device (4) comprises a turnbuckle (41), two ends of the turnbuckle (41) are fixedly connected with a first stay wire (3), and one end, far away from the turnbuckle (41), of the first stay wire (3) is fixedly connected with the blade (2).
3. A breakage resistant large scale wind turbine blade in accordance with claim 2, wherein: one end of the first stay wire (3) far away from the basket bolt (41) is provided with a buckling piece (5), and the blade (2) is provided with a mounting ring (6) matched with the buckling piece (5).
4. A large wind turbine blade according to claim 3, wherein: screw rods (61) are fixedly arranged on the mounting rings (6), and threaded holes (21) matched with the screw rods (61) are formed in the side walls of the blades (2).
5. A breakage resistant large scale wind turbine blade in accordance with claim 1, wherein: the hub (1) is located the fixed extension support (7) that is provided with of lateral wall in windward side, be provided with on extension support (7) and be used for carrying out second stay wire (8) of drawing to support to blade (2) to one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322895609.7U CN220849886U (en) | 2023-10-27 | 2023-10-27 | Anti-fracture large-scale wind driven generator blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322895609.7U CN220849886U (en) | 2023-10-27 | 2023-10-27 | Anti-fracture large-scale wind driven generator blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220849886U true CN220849886U (en) | 2024-04-26 |
Family
ID=90739182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322895609.7U Active CN220849886U (en) | 2023-10-27 | 2023-10-27 | Anti-fracture large-scale wind driven generator blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220849886U (en) |
-
2023
- 2023-10-27 CN CN202322895609.7U patent/CN220849886U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240429 Address after: Room 02, 11th Floor, Tianao Building, No. 169 Hudong Road, Gulou District, Fuzhou City, Fujian Province, 350000 Patentee after: Fuzhou Gulou District Wangjing New Energy Technology Partnership Enterprise (Limited Partnership) Country or region after: China Address before: A-273, 2nd Floor, Building 8#, Block C2, Ledong City, Shiouwangzhuang City, Wangzhuang Street, Jin'an District, Fuzhou City, Fujian Province, 350000 Patentee before: Fujian Liankang Technology Co.,Ltd. Country or region before: China |