CN112324614A - Wind power blade - Google Patents
Wind power blade Download PDFInfo
- Publication number
- CN112324614A CN112324614A CN202011431002.8A CN202011431002A CN112324614A CN 112324614 A CN112324614 A CN 112324614A CN 202011431002 A CN202011431002 A CN 202011431002A CN 112324614 A CN112324614 A CN 112324614A
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- Prior art keywords
- driving
- block
- radial
- blade
- connecting cover
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- 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.)
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- 238000007667 floating Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000035515 penetration Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000000806 elastomer Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind power blade which comprises a blade body, a blade root block, a radial floating mechanism, a radial sliding block and an embedded bolt, wherein the blade root block is arranged on the blade body; the inclined plates are clamped and installed between the upper driving ring surface of the upper driving thread block and the lower driving ring surface of the lower driving ring sleeve, so that the inclined plates are driven to float radially outwards or inwards through synchronous vertical rotation of the upper driving thread block and the lower driving screw rod, and the radial sliding blocks and the embedded bolts are driven to slide radially, so that position adjustment is achieved, and the use is more flexible.
Description
Technical Field
The invention relates to a wind power blade.
Background
The wind power generation blade is required to be connected to a host through a blade root bolt, and the connection method mainly comprises two technologies of a T-shaped bolt and an embedded bolt. In the initial stage of the wind power industry, the power of the blades is low, the load of the blade roots is low, the T-shaped bolt mode is adopted, the process is simple, and the quality is easy to control. With the development of the times, the length and the power of the blade are gradually increased, and the defects of the connection mode are also shown, for example, the number of bolts of the blade root is limited due to larger distance between the bolts of the blade root, the load born by the blade root is lower, and more solid waste materials are generated by cutting and punching the blade root. And the pre-buried bolt connection mode can distribute more axial bolts under the same pitch circle diameter, so that the bearing capacity is higher, and the post-processing drilling link is eliminated, thereby reducing the generation of waste materials. However, the existing embedded bolts are generally fixed in the blade root by pouring, radial position adjustment cannot be carried out due to the embedded bolts, the diameter enclosed by the threaded holes in the host machine cannot be matched with the diameter enclosed by the embedded bolts, and the embedded bolts cannot be installed, so that the processing difficulty is brought, the position accuracy must be ensured, otherwise, the embedded bolts cannot be installed, so that the assembly flexibility is poor, the processing difficulty is high, and the embedded bolts are inconvenient to disassemble and replace.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the wind power blade is flexible in pre-embedded bolt assembly and convenient to disassemble and replace.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a wind power blade comprises a blade body, a blade root block, a radial floating mechanism, a radial sliding block and a pre-buried bolt; a blade root block is arranged at the root part of the blade body; the leaf root block is in a circular block structure; a driving cavity is arranged inside the leaf root block; a threaded passage is arranged in the middle of the upper end of the driving cavity; a plurality of sliding clamping grooves distributed along the radial direction of the blade root block are formed in the periphery of the upper end of the blade root block; a radial sliding block is respectively installed on the sliding clamping grooves in a radially sliding and clamping manner; the upper ends of the radial sliding blocks are respectively rotatably clamped and provided with an embedded bolt; the radial floating mechanism comprises a driving bin, a radial floating plate, an inclined plate, an upper driving thread block, a lower driving ring sleeve and a lower driving screw rod; the driving bin is arranged in the middle of the upper end of the leaf root block; an accommodating cavity is formed in the driving bin; an upper thread groove is formed in the middle of the upper end of the driving bin; the upper driving thread block is in threaded connection with an upper thread groove of the driving bin in a rotating mode; the lower end of the upper driving thread block extends into the accommodating cavity of the driving bin; an upper driving ring surface is arranged on the periphery of the lower end of the upper driving thread block; the lower driving screw is in threaded connection with a threaded channel in the middle of the upper end of the driving cavity; the lower end of the lower driving screw rod extends into the driving cavity of the blade root block, and the upper end of the lower driving screw rod extends into the accommodating cavity of the driving bin; the upper end of the lower driving screw is provided with a lower driving ring sleeve; the upper end of the periphery of the lower driving ring sleeve is provided with a lower driving ring surface; the inner sides of the radial sliding blocks are respectively provided with a radial floating plate; the inner ends of the radial floating plates respectively penetrate through the driving cabin and then extend to the inside of the driving cabin; the inner ends of the radial floating plates are respectively provided with an inclined plate; the inclined plate is clamped and installed between an upper driving ring surface of the upper driving thread block and a lower driving ring surface of the lower driving ring sleeve.
Furthermore, the upper driving ring surface of the upper driving thread block and the lower driving ring surface of the lower driving ring sleeve are both in a structure with a large upper part and a small lower part; the inclined plates are of an inclined distribution structure with the outer end downward and the inner end downward.
Further, the radial floating mechanism is also abutted against the elastic body; an upper abutting groove is formed in the middle of the lower end of the upper driving thread block; a lower abutting ring is arranged inside the upper end of the lower driving ring sleeve; the upper end and the lower end of the abutting elastic body are respectively abutted in the upper abutting groove of the upper driving thread block and the lower abutting ring of the lower driving ring sleeve.
Further, the driving bin comprises an upper connecting cover, a lower connecting cover and a positioning screw rod; the lower connecting cover is arranged in the middle of the upper end of the leaf root block; the longitudinal section of the upper connecting cover is of an inverted U-shaped structure; the longitudinal section of the lower connecting cover is of a U-shaped structure; a plurality of upper penetrating grooves are uniformly formed in the periphery of the lower end of the upper connecting cover; a plurality of lower penetrating grooves are uniformly formed in the periphery of the upper end of the lower connecting cover; the upper cross connecting grooves on the periphery of the lower end of the upper connecting cover and the lower cross connecting grooves on the periphery of the upper end of the lower connecting cover are respectively butted up and down to form a plurality of cross connecting channels; a plurality of T-shaped cross-connecting channels are uniformly arranged on the upper connecting cover; the T-shaped cross-connecting channels and the upper cross-connecting grooves are distributed alternately; a plurality of thread channels are uniformly arranged on the periphery of the upper end of the lower connecting cover; the thread passages and the lower penetration grooves are distributed at intervals; the T-shaped cross-connecting channel and the threaded channel are respectively arranged in an up-down one-to-one correspondence manner; t-shaped screws are respectively connected in the T-shaped cross-connecting channels in a penetrating manner; the lower end of the T-shaped screw is connected in the threaded passage in a threaded manner.
Furthermore, the upper sides of the radial floating plates are respectively provided with a limiting rod; the horizontal plane of the upper end of the limiting rod is located above the horizontal plane of the periphery of the lower end of the upper connecting cover.
Further, the longitudinal section of the lower driving ring sleeve is of a U-shaped structure.
Further, the lower end of the radial sliding block is provided with a sliding clamping and connecting rod; the radial sliding blocks are radially and slidably clamped on the sliding clamping grooves through sliding clamping connecting rods at the lower ends respectively; the longitudinal sections of the sliding clamping rod and the sliding clamping groove are both in T-shaped structures.
Further, the lower end of the embedded bolt is provided with a rotary clamping tooth; the upper end of the radial sliding block is provided with a rotary clamping groove; the embedded bolt is rotationally clamped on the rotary clamping groove at the upper end of the radial sliding block through the rotary clamping tooth at the lower end.
The invention has the advantages of
The inclined plates are clamped and installed between the upper driving ring surface of the upper driving thread block and the lower driving ring surface of the lower driving ring sleeve, so that the inclined plates are driven to float radially outwards or inwards through synchronous vertical rotation of the upper driving thread block and the lower driving screw rod, and the radial sliding blocks and the embedded bolts are driven to slide radially, so that position adjustment is achieved, and the use is more flexible.
In order to enable the embedded bolt to be more smoothly disassembled, the driving bin is arranged in a vertically-separated structure, the upper connecting cover and the lower connecting cover are in butt joint, when the embedded bolt needs to be disassembled, the upper connecting cover is disassembled from the upper part of the lower connecting cover, then the radial sliding block directly slides outwards, so that the radial floating plate, the inclined plate and the embedded bolt are driven to be radially drawn out in a sliding mode, and replacement is achieved.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is an enlarged schematic view of the radial floating mechanism of the present invention, in which the inclined plate is not clamped.
Fig. 3 is a schematic view showing a structure in which the inclined plate of fig. 2 is clamped according to the present invention.
Fig. 4 is a schematic cross-sectional view of a slide clamping bar and a slide clamping groove according to the present invention.
Fig. 5 is a schematic view of the external structure of the driving chamber of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a wind turbine blade comprises a blade body, a blade root block 1, a radial floating mechanism 4, a radial sliding block 2 and an embedded bolt 3; a blade root block 1 is arranged at the root part of the blade body; the leaf root block 1 is in a circular block structure; a driving cavity 11 is arranged inside the leaf root block 1; a threaded passage 13 is arranged in the middle of the upper end of the driving cavity 11; a plurality of sliding clamping grooves 12 distributed along the radial direction of the blade root block are formed in the periphery of the upper end of the blade root block 1; a radial sliding block 2 is respectively installed on the sliding clamping grooves 12 in a radially sliding and clamping manner; the upper ends of the radial sliding blocks 2 are respectively rotatably clamped and provided with an embedded bolt 3; the radial floating mechanism 4 comprises a driving bin 45, a radial floating plate 44, an inclined plate 46, an upper driving thread block 41, a lower driving ring sleeve 43 and a lower driving screw rod 42; the driving bin 45 is arranged in the middle of the upper end of the leaf root block 1; an accommodating cavity 453 is arranged in the driving bin 45; the middle of the upper end of the driving bin 45 is provided with an upper thread groove 455; the upper driving screw block 41 is in threaded rotation and is connected on the upper screw groove 455 of the driving bin 45 in a penetrating manner; the lower end of the upper driving screw block 41 extends into the accommodating cavity 453 of the driving bin 45; an upper driving ring surface 411 is arranged around the lower end of the upper driving thread block 41; the lower driving screw rod 42 is threaded on the threaded passage 13 in the middle of the upper end of the driving cavity 11; the lower end of the lower driving screw rod 42 extends into the driving cavity 11 of the blade root block 1, and the upper end of the lower driving screw rod 42 extends into the accommodating cavity 453 of the driving bin 45; the upper end of the lower driving screw rod 42 is provided with a lower driving ring sleeve 43; the upper end of the periphery of the lower driving ring sleeve 43 is provided with a lower driving ring surface 431; a radial floating plate 44 is respectively arranged on the inner sides of the radial sliding blocks 2; the inner ends of the radial floating plates 44 respectively penetrate through the driving bins 45 and then extend into the driving bins 45; the inner ends of the radial floating plates 44 are respectively provided with an inclined plate 46; the inclined plate 46 is clamped between the upper drive ring surface 411 of the upper drive screw block 41 and the lower drive ring surface 431 of the lower drive ring 43.
As shown in fig. 1 to 5, it is further preferable that the upper driving ring surface 411 of the upper driving screw block 41 and the lower driving ring surface 431 of the lower driving ring 43 are both configured to have a large top and a small bottom; the inclined plates 46 are arranged in an inclined distribution structure with the outer end downward and the inner end downward. Further, the radial floating mechanism 4 also abuts against the elastic body 48; an upper abutting groove 412 is formed in the middle of the lower end of the upper driving thread block 41; a lower abutting ring 432 is arranged inside the upper end of the lower driving ring sleeve 43; the upper and lower ends of the contact elastic body 48 are respectively in contact with the upper contact groove 412 of the upper driving screw block 41 and the lower contact ring 432 of the lower driving collar 43. Further, the driving chamber 45 comprises an upper connecting cover 451, a lower connecting cover 452, and a positioning screw 454; the lower connecting cover 452 is arranged in the middle of the upper end of the blade root block 1; the longitudinal section of the upper connecting cover 451 is of an inverted U-shaped structure; the longitudinal section of the lower connecting cover 452 is of a U-shaped structure; a plurality of upper cross-connecting grooves 4511 are uniformly formed in the periphery of the lower end of the upper connecting cover 451; a plurality of lower penetration grooves 4521 are uniformly formed around the upper end of the lower connection cover 452; the upper cross connecting grooves 4511 on the periphery of the lower end of the upper connecting cover 451 and the lower cross connecting grooves 4522 on the periphery of the upper end of the lower connecting cover 452 are respectively butted up and down to form a plurality of cross connecting channels; a plurality of T-shaped cross-connecting channels 4512 are uniformly arranged on the upper connecting cover 451; the T-shaped cross-connecting channels 4512 and the upper cross-connecting grooves 4511 are distributed at intervals; a plurality of thread channels 4522 are uniformly arranged around the upper end of the lower connecting cover 452; the thread passages 4522 are distributed at intervals with the lower penetration grooves 4521; the T-shaped cross-connecting channel 4512 and the threaded channel 4522 are respectively arranged in an up-down one-to-one correspondence manner; the T-shaped cross-connecting channels 4512 are respectively internally and externally connected with T-shaped screws 454 in a penetrating manner; the lower end of the T-shaped screw 454 is threadedly connected within the threaded passage 4522. Further, a limiting rod 47 is respectively installed on the upper sides of the radial floating plates 44; the horizontal plane of the upper end of the limiting rod 47 is positioned above the horizontal plane of the periphery of the lower end of the upper connecting cover 451. Further, the longitudinal section of the lower driving collar 43 is a U-shaped structure. Further, the lower end of the radial sliding block 2 is provided with a sliding clamping rod 21; the radial sliding blocks 2 are respectively connected to the sliding clamping grooves 12 in a radial sliding clamping manner through sliding clamping connecting rods 21 at the lower ends; the longitudinal sections of the sliding clamping rod 21 and the sliding clamping groove 12 are both in T-shaped structures. Further, the lower end of the embedded bolt 3 is provided with a rotary clamping tooth; the upper end of the radial sliding block 2 is provided with a rotary clamping groove; the embedded bolt 3 is rotationally clamped on the rotary clamping groove at the upper end of the radial sliding block 2 through the rotary clamping tooth at the lower end.
The inclined plates 46 are clamped and installed between the upper drive ring surface 411 of the upper drive screw block 41 and the lower drive ring surface 431 of the lower drive ring sleeve 43, so that the inclined plates 46 are driven to float radially outwards or inwards by the synchronous up-and-down rotation of the upper drive screw block 41 and the lower drive screw rod 42, and the radial sliding blocks 2 and the embedded bolts 3 are driven to slide radially, so that the position is adjusted, and the use is more flexible.
In order to enable the embedded bolt 3 to be more smoothly disassembled, the driving cabin 45 is arranged to be of a vertically-separated structure, the upper connecting cover 451 and the lower connecting cover 452 are butted, when the embedded bolt needs to be disassembled, the upper connecting cover 451 is disassembled from the upper side of the lower connecting cover 452, then the radial sliding block 2 directly slides outwards, and the radial floating plate 44, the inclined plate 46 and the embedded bolt 3 are driven to be radially drawn out in a sliding mode together, so that replacement is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A wind power blade is characterized by comprising a blade body, a blade root block, a radial floating mechanism, a radial sliding block and an embedded bolt; a blade root block is arranged at the root part of the blade body; the leaf root block is in a circular block structure; a driving cavity is arranged inside the leaf root block; a threaded passage is arranged in the middle of the upper end of the driving cavity; a plurality of sliding clamping grooves distributed along the radial direction of the blade root block are formed in the periphery of the upper end of the blade root block; a radial sliding block is respectively installed on the sliding clamping grooves in a radially sliding and clamping manner; the upper ends of the radial sliding blocks are respectively rotatably clamped and provided with an embedded bolt; the radial floating mechanism comprises a driving bin, a radial floating plate, an inclined plate, an upper driving thread block, a lower driving ring sleeve and a lower driving screw rod; the driving bin is arranged in the middle of the upper end of the leaf root block; an accommodating cavity is formed in the driving bin; an upper thread groove is formed in the middle of the upper end of the driving bin; the upper driving thread block is in threaded connection with an upper thread groove of the driving bin in a rotating mode; the lower end of the upper driving thread block extends into the accommodating cavity of the driving bin; an upper driving ring surface is arranged on the periphery of the lower end of the upper driving thread block; the lower driving screw is in threaded connection with a threaded channel in the middle of the upper end of the driving cavity; the lower end of the lower driving screw rod extends into the driving cavity of the blade root block, and the upper end of the lower driving screw rod extends into the accommodating cavity of the driving bin; the upper end of the lower driving screw is provided with a lower driving ring sleeve; the upper end of the periphery of the lower driving ring sleeve is provided with a lower driving ring surface; the inner sides of the radial sliding blocks are respectively provided with a radial floating plate; the inner ends of the radial floating plates respectively penetrate through the driving cabin and then extend to the inside of the driving cabin; the inner ends of the radial floating plates are respectively provided with an inclined plate; the inclined plate is clamped and installed between an upper driving ring surface of the upper driving thread block and a lower driving ring surface of the lower driving ring sleeve.
2. The wind turbine blade as claimed in claim 1, wherein the upper driving ring surface of the upper driving screw block and the lower driving ring surface of the lower driving ring sleeve are both in a structure with a large top and a small bottom; the inclined plates are of an inclined distribution structure with the outer end downward and the inner end downward.
3. The wind blade as set forth in claim 1 wherein said radial float mechanism further abuts an elastomer; an upper abutting groove is formed in the middle of the lower end of the upper driving thread block; a lower abutting ring is arranged inside the upper end of the lower driving ring sleeve; the upper end and the lower end of the abutting elastic body are respectively abutted in the upper abutting groove of the upper driving thread block and the lower abutting ring of the lower driving ring sleeve.
4. The wind power blade of claim 1, wherein the driving bin comprises an upper connecting cover, a lower connecting cover and a positioning screw rod; the lower connecting cover is arranged in the middle of the upper end of the leaf root block; the longitudinal section of the upper connecting cover is of an inverted U-shaped structure; the longitudinal section of the lower connecting cover is of a U-shaped structure; a plurality of upper penetrating grooves are uniformly formed in the periphery of the lower end of the upper connecting cover; a plurality of lower penetrating grooves are uniformly formed in the periphery of the upper end of the lower connecting cover; the upper cross connecting grooves on the periphery of the lower end of the upper connecting cover and the lower cross connecting grooves on the periphery of the upper end of the lower connecting cover are respectively butted up and down to form a plurality of cross connecting channels; a plurality of T-shaped cross-connecting channels are uniformly arranged on the upper connecting cover; the T-shaped cross-connecting channels and the upper cross-connecting grooves are distributed alternately; a plurality of thread channels are uniformly arranged on the periphery of the upper end of the lower connecting cover; the thread passages and the lower penetration grooves are distributed at intervals; the T-shaped cross-connecting channel and the threaded channel are respectively arranged in an up-down one-to-one correspondence manner; t-shaped screws are respectively connected in the T-shaped cross-connecting channels in a penetrating manner; the lower end of the T-shaped screw is connected in the threaded passage in a threaded manner.
5. The wind power blade as claimed in claim 4, wherein the upper sides of the radial floating plates are respectively provided with a limiting rod; the horizontal plane of the upper end of the limiting rod is located above the horizontal plane of the periphery of the lower end of the upper connecting cover.
6. The wind blade of claim 1 wherein the longitudinal cross-section of the lower drive collar is a U-shaped configuration.
7. The wind turbine blade as claimed in claim 1, wherein the lower end of the radial sliding block is provided with a sliding clamping rod; the radial sliding blocks are radially and slidably clamped on the sliding clamping grooves through sliding clamping connecting rods at the lower ends respectively; the longitudinal sections of the sliding clamping rod and the sliding clamping groove are both in T-shaped structures.
8. The wind power blade as claimed in claim 1, wherein the lower end of the embedded bolt is provided with a rotary clamping tooth; the upper end of the radial sliding block is provided with a rotary clamping groove; the embedded bolt is rotationally clamped on the rotary clamping groove at the upper end of the radial sliding block through the rotary clamping tooth at the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011431002.8A CN112324614B (en) | 2020-12-09 | 2020-12-09 | Wind power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011431002.8A CN112324614B (en) | 2020-12-09 | 2020-12-09 | Wind power blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112324614A true CN112324614A (en) | 2021-02-05 |
| CN112324614B CN112324614B (en) | 2022-06-21 |
Family
ID=74302359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011431002.8A Active CN112324614B (en) | 2020-12-09 | 2020-12-09 | Wind power blade |
Country Status (1)
| Country | Link |
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| CN (1) | CN112324614B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180017080A1 (en) * | 2016-07-18 | 2018-01-18 | Rolls-Royce Plc | Variable stator vane mechanism |
| US20180043989A1 (en) * | 2016-08-10 | 2018-02-15 | Safran Aircraft Engines | Pitch-change system equipped with means for adjusting blade pitch and corresponding turbine engine |
| CN208310952U (en) * | 2018-05-11 | 2019-01-01 | 上海玻璃钢研究院东台有限公司 | A kind of pre-embedded bolt structure of adjustment type wind electricity blade blade root |
| DE112017008317T5 (en) * | 2017-12-27 | 2020-09-10 | Nabrawind Technologies, S.L | Control system for pre-tensioning bolts |
| CN211950737U (en) * | 2020-03-23 | 2020-11-17 | 上海玻璃钢研究院东台有限公司 | Telescopic wind-powered electricity generation blade root embedded bolt structure |
-
2020
- 2020-12-09 CN CN202011431002.8A patent/CN112324614B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180017080A1 (en) * | 2016-07-18 | 2018-01-18 | Rolls-Royce Plc | Variable stator vane mechanism |
| US20180043989A1 (en) * | 2016-08-10 | 2018-02-15 | Safran Aircraft Engines | Pitch-change system equipped with means for adjusting blade pitch and corresponding turbine engine |
| DE112017008317T5 (en) * | 2017-12-27 | 2020-09-10 | Nabrawind Technologies, S.L | Control system for pre-tensioning bolts |
| CN208310952U (en) * | 2018-05-11 | 2019-01-01 | 上海玻璃钢研究院东台有限公司 | A kind of pre-embedded bolt structure of adjustment type wind electricity blade blade root |
| CN211950737U (en) * | 2020-03-23 | 2020-11-17 | 上海玻璃钢研究院东台有限公司 | Telescopic wind-powered electricity generation blade root embedded bolt structure |
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| Publication number | Publication date |
|---|---|
| CN112324614B (en) | 2022-06-21 |
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