CN112549561A - Wind power blade auxiliary bonding angle bonding method, special-shaped positioning block and blade - Google Patents
Wind power blade auxiliary bonding angle bonding method, special-shaped positioning block and blade Download PDFInfo
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- CN112549561A CN112549561A CN202011108508.5A CN202011108508A CN112549561A CN 112549561 A CN112549561 A CN 112549561A CN 202011108508 A CN202011108508 A CN 202011108508A CN 112549561 A CN112549561 A CN 112549561A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003292 glue Substances 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000011162 core material Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- -1 polyethylene terephthalate Polymers 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
- B29C66/12221—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment the two joint-segments being lapped
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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
- F03D1/0675—Rotors characterised by their construction elements of the blades
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind power blade auxiliary bonding angle bonding method, a special-shaped positioning block and a blade, wherein auxiliary bonding angle bonding is finally completed through D-shaped limiting block bonding, special-shaped limiting block bonding, gluing bonding and mould fastening; according to the auxiliary bonding angle, the D-shaped limiting block is bonded on one side of the lower flanging of the auxiliary bonding angle, the right-angle surface of the D-shaped limiting block is aligned to the auxiliary bonding angle, the placement position of the D-shaped limiting block is opposite to that of the D-shaped limiting block in the prior art, the risk that the auxiliary bonding angle flanging slides relative to the fillet area of the D-shaped limiting block in the prior art is effectively eliminated, meanwhile, the special-shaped limiting block is arranged, the special-shaped limiting block is bonded on the outer side of the vertical surface of the auxiliary bonding angle, the angle which is correspondingly matched is manufactured according to the gradient of skins at different positions of the leeward side, the special-shaped limiting block is ensured to be stably bonded with the auxiliary bonding angle, the special-shaped limiting block plays a certain supporting role, the auxiliary.
Description
Technical Field
The invention relates to the field of wind power blade production, in particular to a wind power blade auxiliary bonding angle bonding method, a special-shaped positioning block and a blade.
Background
Wind energy is used as a clean renewable energy source, is inexhaustible, and is increasingly valued by countries in the world; with the progress of wind power generation technology, in order to improve wind energy capture and reduce electricity consumption cost, the single-machine capacity of the wind turbine generator is also developed from the initial ten-odd kilowatts to the present megawatt level, and even the single-machine capacity is stepped to the ten-megawatt level and the dozens of megawatt level.
The blade is used as a key component for converting wind energy of the wind turbine generator, the development of the design and manufacturing technology of the blade is critical to the performance and reliability of the whole wind turbine generator, the length of the blade is continuously increased along with the development of the wind energy of the global wind power market turning to low wind speed and a sea wind field, the auxiliary bonding angle is added in the design of the large-blade wind turbine generator, the auxiliary bonding angle mainly bears partial rear edge shear load when the wind turbine generator operates, and the effective positioning bonding of the auxiliary bonding angle directly influences the accurate limit design of the bonding process of the wind turbine generator.
The existing auxiliary bonding angle mostly adopts a D-shaped limiting block single-side bonding limiting technology in a die assembly bonding process, and the method has the following disadvantages in implementation: the bonding surface of the middle and rear sections of the auxiliary bonding angle is positioned on the slope, the single-side limit can only ensure that the single side does not deflect relatively inwards, the middle and rear sections of the auxiliary bonding angle are easy to deflect at the other side when the mold is locked, and the amount of bonding glue in the existing process needs to be surplus, so that the accurate control cannot be realized; in addition, the bonding angle deviation can directly cause that the bonding quality is unstable, the quality defect is frequent, and the bonding angle deviation is small, the maintenance difficulty is large, and the quality risk is high.
Disclosure of Invention
The invention aims to provide a wind power blade auxiliary bonding angle bonding method, a special-shaped positioning block and a blade, which can prevent the auxiliary bonding angle from deviating and improve the bonding quality of the blade.
In order to solve the technical problems, the invention adopts the following technical scheme: a wind power blade auxiliary bonding angle bonding method comprises the following steps:
positioning and bonding a plurality of D-shaped limiting blocks on the blade skin;
determining an auxiliary bonding angle position on a blade skin, and enabling the auxiliary bonding angle to be attached to the D-shaped limiting block;
bonding a plurality of special-shaped limiting blocks on the blade skin, wherein the special-shaped limiting blocks are positioned at positions which can be attached to the auxiliary bonding angles;
coating adhesive glue on the blade skin and/or the auxiliary adhesive angle, and placing the auxiliary adhesive angle between the D-shaped limiting block and the special-shaped limiting block;
and (5) carrying out die assembly molding on the blade skin.
Furthermore, supplementary bonding angle includes turn-ups, turn-ups down and facade, two turn-ups are used for respectively bonding with the windward side covering of blade, leeward side covering, the facade inboard with it has I type stopper to inlay between the D type stopper, and this I type stopper with turn-ups down the facade inboard with D type locating piece closely laminates.
Further, a face C on the special-shaped limiting block is fixedly bonded with the blade skin, a face D on the special-shaped limiting block is tightly attached to the outer side of the vertical face, and an included angle alpha is formed between the face C and the face D.
Furthermore, the special-shaped limiting blocks are arranged on the blade skin at intervals along the axial direction of the auxiliary bonding angle and comprise at least two special-shaped limiting blocks with different included angles alpha.
Further, the auxiliary bonding angle is vertically bonded between the windward side skin and the leeward side skin.
Furthermore, the D-shaped limiting blocks and the special-shaped limiting blocks are symmetrically bonded to the leeward skin every 2m in the axial direction.
Further, the included angle alpha ranges from 70 degrees to 80 degrees.
Further, the I-shaped limiting block is a rectangular block, and the special-shaped limiting block and the I-shaped limiting block are made of any one of PVC (polyvinyl chloride), SAN (styrene-acrylic) and PET (polyethylene terephthalate) foam core materials.
The utility model provides a wind-powered electricity generation blade is assisted bonding angle and is used heterotypic locating piece, includes a plurality of faces, wherein face C and the fixed bonding of blade covering, face D closely laminates with the facade outside at supplementary bonding angle, face C with form contained angle alpha between the face D.
A wind power blade comprises at least two special-shaped positioning blocks with different included angle angles.
Compared with the prior art, the invention has the following advantages:
(1) according to the auxiliary bonding angle bead, the D-shaped limiting block is bonded on one side of the lower flanging of the auxiliary bonding angle, the right-angle surface of the D-shaped limiting block is aligned with the auxiliary bonding angle, the placement position of the D-shaped limiting block is opposite to that of the D-shaped limiting block in the prior art, and the risk that the auxiliary bonding angle bead slides relative to the position of the fillet area of the D-shaped limiting block in the prior art is effectively eliminated.
(2) The special-shaped limiting block is arranged and bonded on the outer side of the vertical surface of the auxiliary bonding angle, the special-shaped limiting block is manufactured into a corresponding matched angle according to the inclination of the skin at different positions of the leeward surface, the special-shaped limiting block is ensured to be stably bonded with the auxiliary bonding angle, the special-shaped limiting block plays a certain supporting role, the auxiliary bonding angle is prevented from deviating towards the rear edge side, and the risk of auxiliary bonding angle deviation towards the rear edge side in the prior art is eliminated.
(3) According to the auxiliary bonding angle vertical surface, the I-shaped limiting block is embedded between the inner side of the auxiliary bonding angle vertical surface and the D-shaped limiting block, so that the surface-to-surface close fit among the special-shaped limiting block, the auxiliary bonding angle and the D-shaped limiting block is ensured, and the risk that the inner side of the auxiliary bonding angle vertical surface has no limit and the auxiliary bonding angle turning side slides to the inner side of the cavity due to the fact that the D-shaped positioning block is shoveled off sharply in the prior art is eliminated.
(4) The method can solve the problem of auxiliary bonding angle deviation in the production process of the wind power blade, and further can solve the problem of bonding defects caused by the auxiliary bonding angle deviation.
(5) The method can realize accurate bonding of the auxiliary bonding angle of the wind power blade, eliminate the problem of unstable bonding in the early stage, and is a precondition for improving the production cost, quality and efficiency of the wind power blade.
(6) The method can effectively solve the problem of large glue consumption for bonding the auxiliary bonding angle of the wind power blade, reduce the using amount of the die assembly bonding glue and reduce the problems of blade glue residue and operation and maintenance.
Drawings
FIG. 1 is a schematic view of an auxiliary bonding angle bonding structure of the present invention;
FIG. 2 is a schematic structural diagram of a D-shaped limiting block according to the present invention;
FIG. 3 is a schematic view of the structure of the I-shaped stopper of the present invention;
FIG. 4 is a schematic view of the structure of the special-shaped stop block of the present invention;
FIG. 5 is a schematic view of an auxiliary bonding angle structure according to the present invention.
In the figure: 1. the device comprises a D-shaped limiting block 1-1, a surface B, 1-2, a surface A, 2, an I-shaped limiting block 3, a special-shaped limiting block 3-1, a surface C, 3-2, a surface D, 4, an auxiliary bonding angle 4-1, a vertical surface 4-2, a lower flanging 4-3, an upper flanging 5, a windward surface skin 6 and a leeward surface skin.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples.
Example (b): preferably, taking the auxiliary bonding angle bonding of 60-grade wind power blades as an example;
the auxiliary bonding angle bonding position is generally positioned at the rear edge position in the interval of 16-85% of the blade length, wherein the bonding surface deviation condition can not occur in 16-45% of the blade length, a D-shaped limiting block single-side bonding limiting technology is adopted, the blade length is 45-82% of the auxiliary bonding angle, the bonding surface deviation is easy to occur, and by adopting the bonding method, the auxiliary bonding angle is completely matched with the windward-side skin and the leeward-side skin;
bonding a D-shaped limiting block: tearing off the surface pouring auxiliary material of the windward surface skin 5 and the leeward surface skin 6 of the blade respectively, and cleaning impurities in the cavity of the blade; the auxiliary bonding angle 4 is positioned by adopting a single side of a D-shaped limiting block in the prior art, the positioning parameters of the D-shaped limiting block on a leeward skin 6 and a windward skin 5 with the blade length of 16-45% are accurately positioned according to the data of auxiliary bonding angle design positioning parameters + auxiliary bonding angle width +5mm, the blade length of 45-82% on the auxiliary bonding angle 4 is positioned by adopting the bonding method, wherein the positioning parameters of the D-shaped limiting block on the leeward skin 6 are accurately positioned according to the data of auxiliary bonding angle design positioning parameters + auxiliary bonding angle width +5mm, the D-shaped limiting block 1 is accurately bonded on the leeward skin 6 at the position of 45-82% of the blade length, and the D-shaped limiting block 1 is fixed on the leeward skin 6 by smearing bonding glue on the surface B1-1 on the D-shaped limiting block 1;
determining the auxiliary bonding angular position: after the D-shaped limiting block 1 is firmly bonded, placing an auxiliary bonding angle 4 on the leeward skin 6 by using a crane, horizontally aligning the starting point of the auxiliary bonding angle 4 to each identification point on the mold according to the mold identification, and stably placing the auxiliary bonding angle at the position 16-85% of the blade length, wherein the blade length is 45-82%, ensuring that the outer side of a lower flanging 4-2 of the auxiliary bonding angle 4 is attached to the leeward skin 6, and aligning and attaching the top end of the lower flanging 4-2 to a surface A1-2 on the D-shaped limiting block;
alternatively, the bonding position relation between the auxiliary bonding angle and the D-shaped limiting block is determined according to the design or actual parameter values of the auxiliary bonding angle, and the auxiliary bonding angle does not need to be hoisted to the blade skin.
Bonding a special-shaped limiting block: at the position with the blade length of 45-82%, a special-shaped limiting block 3 is placed at the corresponding position outside a vertical face 4-1 of an auxiliary bonding angle 4, the special-shaped limiting block 3 is horizontally aligned with the D-shaped limiting block 1, the special-shaped limiting block 3 is axially placed at the same distance as the D-shaped limiting block 1, namely the special-shaped limiting block 3 is horizontally and symmetrically placed with the D-shaped limiting block 1 at intervals of 2-3m in the axial direction, it can be understood that the special-shaped limiting block 3 and the D-shaped limiting block 1 are not in one-to-one quantitative relation, and the number of the D-shaped limiting blocks 1; because the leeward side rear edge skin can present different gradients along with the change of the axial position, the special-shaped limiting block 3 can be designed into a trapezoid or a triangle, an included angle alpha is formed on the special-shaped limiting block and respectively jointed with the auxiliary bonding angle and the two surfaces (the surface C3-1 and the surface D3-2) jointed with the rear edge skin, the included angle alpha can change along with the change of the curved surface of the skin, so that the special-shaped limiting block can be jointed with the auxiliary bonding angle and the rear edge skin at the same time at the limited position, thereby ensuring the accurate positioning relation between the auxiliary bonding angle and the trailing edge skin, if a special-shaped limited block 3 with the alpha angle of 77 degrees can be adopted in the interval of 45-60 percent of the blade length, a special-shaped limiting block 3 with an alpha angle of 74 degrees can be adopted in the range of 60-82% of the length of the blade, a surface C3-1 on the special-shaped limiting block 3 is fixedly connected with a leeward surface skin 6 through adhesive glue, and a surface D3-2 on the special-shaped limiting block 3 is completely attached to the outer side of a vertical surface 4-1 of the auxiliary adhesive angle 4;
and fourthly, providing an auxiliary bonding angle: if the auxiliary bonding angle is adopted for hoisting and positioning, the auxiliary bonding angle 4 is completely lifted out of the mould and is completely separated from the leeward skin 6;
gluing and bonding: tearing off the demolding cloth at the bonding positions corresponding to the upper flanging 4-3 and the lower flanging 4-2 of the auxiliary bonding angle on the windward skin 5 and the leeward skin 6 respectively, smearing bonding glue at the bonding position corresponding to the lower flanging 4-2 at the rear edge of the leeward skin 6, smearing bonding glue on the surface of the upper flanging 4-3, hanging the auxiliary bonding angle 4 to the bonding position of the leeward skin 6, completely bonding the lower flanging 4-2 of the auxiliary bonding angle 4 with the leeward skin 6 through the bonding glue, aligning and bonding the top end of the lower flanging 4-2 of the auxiliary bonding angle 4 with the surface A1-2 of the D-shaped limiting block 1, and aligning and bonding the outer side of the vertical surface 4-1 of the auxiliary bonding angle 4 with the surface D3-2 of the special-shaped limiting block 3;
placing an I-shaped limiting block: further, an I-shaped limiting block 3 is embedded between the inner side of a vertical face 4-1 of the auxiliary bonding angle 4 and the D-shaped limiting block 1 at the position where the deviation of the bonding face is easy to occur, the I-shaped limiting block is cuboid, 60mm in length, 30mm in height and 50mm in width, the lower surface of the I-shaped limiting block 3 is completely attached to the inner side of a lower flanging 4-2, the length of the I-shaped limiting block is equal to the distance between the inner side of the vertical face 4-1 of the auxiliary bonding angle and the face A1-2, and the opposite surfaces in the length direction of the I-shaped limiting block are respectively closely attached to the inner side of the vertical face 4-1 of the auxiliary bonding angle and the surface 1-2 of the D-shaped limiting block, so that the faces among the special-shaped limiting block, the;
and c, mold closing and forming: and (3) closing the windward side die and the leeward side die to ensure that the auxiliary bonding angle 4 is basically vertically attached and bonded between the windward side skin 5 and the leeward side skin 6, and closing the dies to perform curing molding on the blade.
After the technology is implemented, the auxiliary bonding angle is accurately positioned, so that the thickness and the usage amount of a glue layer of the bonding glue are close to design values, and the bonding angle allowance reserved due to the dislocation of the auxiliary bonding angle does not need to be considered. About 20kg of adhesive can be practiced thrift in the production of 60 meters level blade every, account for more than 3% of adhesive quantity, and the decline of adhesive quantity also makes the blade glue sediment condition reduce, is favorable to the promotion of blade circulation efficiency.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A wind power blade auxiliary bonding angle bonding method is characterized in that: the method comprises the following steps:
positioning and bonding a plurality of D-shaped limiting blocks (1) on the blade skin;
determining the position of an auxiliary bonding angle (4) on a blade skin, and enabling the auxiliary bonding angle (4) to be attached to the D-shaped limiting block (1);
a plurality of special-shaped limiting blocks (3) are bonded on the blade skin, and the special-shaped limiting blocks (3) are positioned at positions which can be attached to the auxiliary bonding angles (4);
coating adhesive glue on the blade skin and/or the auxiliary adhesive angle (4), and placing the auxiliary adhesive angle (4) between the D-shaped limiting block (1) and the special-shaped limiting block (3);
and (5) carrying out die assembly molding on the blade skin.
2. The wind power blade auxiliary bonding angle bonding method according to claim 1, characterized in that: the auxiliary bonding angle (4) comprises an upper flanging (4-3), a lower flanging (4-2) and a vertical face (4-1), the two flanging are respectively used for bonding with a windward skin (5) and a leeward skin (6) of the blade, an I-shaped limiting block (2) is embedded between the inner side of the vertical face (4-1) and the D-shaped limiting block (1), and the I-shaped limiting block (2) is tightly attached to the lower flanging (4-2), the inner side of the vertical face (4-1) and the D-shaped positioning block (1).
3. The wind power blade auxiliary bonding angle bonding method according to claim 1 or 2, characterized in that: and a surface C (3-1) on the special-shaped limiting block (3) is fixedly bonded with the blade skin, a surface D (3-2) on the special-shaped limiting block (3) is tightly attached to the outer side of the vertical surface (4-1), and an included angle alpha is formed between the surface C (3-1) and the surface D (3-2).
4. The wind power blade auxiliary bonding angle bonding method according to claim 3, characterized in that: the special-shaped limiting blocks (3) are arranged on the blade skin at intervals along the axial direction of the auxiliary bonding angle (4) and comprise at least two different included angle alpha angles, namely the special-shaped limiting blocks (3).
5. The wind power blade auxiliary bonding angle bonding method according to claim 1, characterized in that: the auxiliary bonding angle (4) is vertically bonded between the windward side skin (5) and the leeward side skin (6).
6. The wind power blade auxiliary bonding angle bonding method according to claim 1 or 2, characterized in that: and the D-shaped limiting blocks (1) and the special-shaped limiting blocks (3) are symmetrically bonded to the leeward skin (6) at intervals of 2m in the axial direction.
7. The wind power blade auxiliary bonding angle bonding method according to claim 4, characterized in that: the included angle alpha ranges from 70 degrees to 80 degrees.
8. The wind power blade auxiliary bonding angle bonding method according to claim 2, characterized in that: the I-shaped limiting block (2) is a rectangular block, and the special-shaped limiting block (3) and the I-shaped limiting block (2) are made of any one of PVC (polyvinyl chloride), SAN (styrene-acrylic) and PET (polyethylene terephthalate) foam core materials.
9. The utility model provides a wind-powered electricity generation blade is supplementary to be glued angle and bonds and use heterotypic locating piece, includes a plurality of faces, wherein face C (3-1) and the fixed bonding of blade covering, face D (3-2) closely laminate with facade (4-1) outside of supplementary bonding angle, its characterized in that: an included angle alpha is formed between the surface C (3-1) and the surface D (3-2).
10. A wind turbine blade comprising a plurality of profiled locating blocks as claimed in claim 9, wherein: comprises at least two special-shaped positioning blocks (3) with different included angles and angles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108508.5A CN112549561A (en) | 2020-10-16 | 2020-10-16 | Wind power blade auxiliary bonding angle bonding method, special-shaped positioning block and blade |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011108508.5A CN112549561A (en) | 2020-10-16 | 2020-10-16 | Wind power blade auxiliary bonding angle bonding method, special-shaped positioning block and blade |
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| CN112549561A true CN112549561A (en) | 2021-03-26 |
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| US20080083491A1 (en) * | 2006-09-27 | 2008-04-10 | Peter Sander | Method for joining a stringer to a structural component of an aircraft or spacecraft |
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| CN207128300U (en) * | 2017-05-26 | 2018-03-23 | 北京金风科创风电设备有限公司 | Mould for the I-shaped web of blade |
| CN207077789U (en) * | 2017-08-14 | 2018-03-09 | 白银中科宇能科技有限公司 | A kind of wind electricity blade bonding angle locating piece |
| CN109130209A (en) * | 2018-10-24 | 2019-01-04 | 株洲时代新材料科技股份有限公司 | A kind of wind electricity blade web adhesive reinforcement control method and Split Positioning device |
| CN111688216A (en) * | 2020-06-03 | 2020-09-22 | 洛阳双瑞风电叶片有限公司 | Secondary bonding and positioning method for wind power blade web |
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