CN114770959B - Filling method for trailing edge of wind power blade - Google Patents
Filling method for trailing edge of wind power blade Download PDFInfo
- Publication number
- CN114770959B CN114770959B CN202210314450.2A CN202210314450A CN114770959B CN 114770959 B CN114770959 B CN 114770959B CN 202210314450 A CN202210314450 A CN 202210314450A CN 114770959 B CN114770959 B CN 114770959B
- Authority
- CN
- China
- Prior art keywords
- blade
- bonding plane
- filling
- cushion block
- boss
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000012790 adhesive layer Substances 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 24
- 239000003365 glass fiber Substances 0.000 claims description 24
- 239000010410 layer Substances 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 14
- 230000001070 adhesive effect Effects 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001802 infusion Methods 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
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention relates to the technical field of engineering machinery, and provides a filling method of a wind power blade trailing edge, which comprises the steps of forming a first bonding plane in a to-be-bonded area of the trailing edge of a windward shell of the blade; forming a second bonding plane in a region to be bonded of the rear edge of the blade leeward side shell; the windward side shell of the blade and the leeward side shell of the blade are buckled, an included angle is formed between the first bonding plane and the second bonding plane, and the angle size of the filling cushion block is determined according to the included angle and the thickness requirement of the bonding adhesive layer; the filling cushion block is adhered and fixed between the first bonding plane and the second bonding plane. The setting is according to the angle size of packing cushion is confirmed to the thickness requirement of contained angle and bonding glue film to the operation of the contained angle between adaptation first bonding plane and the second bonding plane, and is simple and convenient, has not only reduced the control degree of difficulty to the clearance between blade windward side casing and the blade leeward side casing, has reduced the degree of difficulty of filling of blade windward side casing and the blade leeward side casing moreover.
Description
Technical Field
The invention relates to the technical field of wind power equipment manufacturing, in particular to a filling method of a wind power blade trailing edge.
Background
In the prior art, for bonding of the rear edge of the wind power blade, a boss needs to be formed in a part area to be bonded of the rear edge of the wind power blade, so that bonding between the windward side of the blade and the leeward side of the blade is facilitated.
At present, the boss and the windward side shell or the leeward side shell of the wind power blade are integrally poured and formed, and then the boss and the windward side shell or the leeward side shell are turned over and matched with each other for cementing and fixing. Because the wind power blades with different specifications have different shape and sizes, the shape and the size of the boss are also different in requirements. If the shape and the size of the boss are not proper, when the windward shell of the blade and the leeward shell of the blade are buckled, the condition of overlarge die resistance or gap easily occurs, and the performance of the wind power blade is further affected. Therefore, when the windward side shell or the leeward side shell of the wind power blade is poured, the shape and the size of the boss are required to be additionally focused, and the pouring difficulty is increased.
Therefore, how to solve the problem that the gap between the windward shell and the leeward shell of the blade is not easy to control in the prior art becomes an important technical problem to be solved by the person skilled in the art.
Disclosure of Invention
The invention provides a filling method of the rear edge of a wind power blade, which is used for solving the defect that the gap between a windward shell and a leeward shell of the blade is not easy to control in the prior art.
The invention provides a filling method of a wind power blade trailing edge, which comprises the following steps:
Forming a first bonding plane in a region to be bonded of the rear edge of the windward shell of the blade;
forming a second bonding plane in a region to be bonded of the rear edge of the blade leeward side shell;
The windward side shell of the blade and the leeward side shell of the blade are buckled, an included angle is formed between the first bonding plane and the second bonding plane, and the angle size of the filling cushion block is determined according to the included angle and the thickness requirement of the bonding adhesive layer;
And the filling cushion block is fixedly adhered between the first bonding plane and the second bonding plane.
The use of the filling cushion block reduces the processing requirements on the first bonding plane and the second bonding plane, and compared with the shape and the size of the boss which need to be controlled in the prior art, the angle size of the filling cushion block is determined according to the included angle and the thickness requirement of the bonding adhesive layer so as to adapt to the operation of the included angle between the first bonding plane and the second bonding plane, so that the operation is simpler and more convenient, the difficulty in controlling the gap between the blade windward side shell and the blade leeward side shell is reduced, and the pouring difficulty of the blade windward side shell and the blade leeward side shell is reduced.
According to the filling method for the wind power blade trailing edge, the filling cushion block is fixedly adhered between the first adhesion plane and the second adhesion plane, and the filling method comprises the following steps:
coating an adhesive on the surface of the filling cushion block, or coating the adhesive on the first bonding plane and the second bonding plane;
And extending the filling cushion block between the first bonding plane and the second bonding plane, and keeping the position of the filling cushion block stable.
According to the filling method for the trailing edge of the wind power blade, which is provided by the invention, the filling cushion block is kept stable in position, and the filling method comprises the following steps:
And a supporting device is arranged on one side of the filling cushion block, which faces the front edge of the blade.
According to the filling method of the wind power blade trailing edge, the supporting device is provided with the first supporting part and the second supporting part, and the first supporting part and the second supporting part can be close to or far from each other;
the side of the filling cushion block facing the front edge of the blade is provided with a supporting device, which comprises:
adjusting the position of the supporting device to enable the first supporting part to be opposite to the filling cushion block;
and adjusting the distance between the first supporting part and the second supporting part to enable the first supporting part and the second supporting part to be respectively abutted against the webs of the filling cushion block and the wind turbine blade.
According to the filling method for the wind power blade trailing edge, the included angle between the first bonding plane and the second bonding plane is 30-70 degrees.
According to the filling method of the wind power blade trailing edge provided by the invention, a first bonding plane is formed in a region to be bonded of the trailing edge of a windward shell of the blade, and the filling method comprises the following steps:
Processing a first boss at the rear edge of the windward shell of the blade, wherein one surface of the first boss, which is far away from the windward shell of the blade, is the first bonding plane;
the to-be-bonded area at the rear edge of the leeward side shell forms a second bonding plane, and the to-be-bonded area comprises:
and processing a second boss at the rear edge of the blade leeward side shell, wherein one surface of the second boss, which is far away from the blade leeward side shell, is the second bonding plane.
The filling method of the wind power blade trailing edge provided by the invention further comprises the following steps:
And arranging a reinforcing layer on one side of the first boss, the second boss and the filling cushion block, which faces the front edge of the blade, so that the reinforcing layer is simultaneously fixed with the first boss, the second boss and the filling cushion block.
According to the filling method for the rear edge of the wind power blade, the reinforcing layer comprises the first glass fiber cloth and the second glass fiber cloth which are arranged in a stacked mode, the second glass fiber cloth is located on one side, away from the filling cushion block, of the first glass fiber cloth, and the first glass fiber cloth is located in the edge outline of the second glass fiber cloth.
According to the filling method of the wind power blade trailing edge, the first boss is formed on the blade windward shell by adopting a pouring molding process, or a first cushion block is adhered and fixed on the trailing edge of the blade windward shell to form the first boss;
And forming the second boss on the leeward shell of the blade by adopting a pouring molding process, or adhering and fixing a second cushion block on the rear edge of the leeward shell of the blade to form the second boss.
According to the filling method for the rear edge of the wind power blade, the filling cushion block is made of polyvinyl chloride or polyethylene terephthalate.
In the filling method of the wind power blade trailing edge, the first bonding plane and the second bonding plane are respectively arranged on the trailing edge of the blade windward side shell and the trailing edge of the blade leeward side shell, and an included angle is formed between the first bonding plane and the second bonding plane after the blade windward side shell and the blade leeward side shell are buckled. After the windward side shell of the blade and the leeward side shell of the blade are buckled, the angle size of the filling cushion block is determined according to the included angle between the first bonding plane and the second bonding plane and the thickness requirement of the bonding adhesive layer so as to fill the space between the first bonding plane and the second bonding plane. The use of the filling cushion block reduces the processing requirements on the first bonding plane and the second bonding plane, and compared with the shape and the size of the control boss in the prior art, the angle size of the filling cushion block is determined according to the included angle and the thickness requirement of the bonding adhesive layer so as to adapt to the operation of the included angle between the first bonding plane and the second bonding plane, thereby being simpler and more convenient, not only reducing the control difficulty of the gap between the blade windward shell and the blade leeward shell, but also reducing the pouring difficulty of the blade windward shell and the blade leeward shell, and solving the problem that the gap between the blade windward shell and the blade leeward shell in the prior art is not easy to control.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method of filling a trailing edge of a wind turbine blade provided by the present invention;
FIG. 2 is a cross-sectional view of a wind turbine blade filled using the method of filling a trailing edge of a wind turbine blade provided by the present invention;
FIG. 3 is an enlarged view of I in FIG. 2;
FIG. 4 is a schematic diagram showing the relative positions of the reinforcing layer and the filling pad according to the present invention.
Reference numerals:
1: a blade windward shell; 2: blade lee side shell; 3: filling cushion blocks; 4: a support device; 5: a reinforcing layer; 6: a first pad; 7: a second cushion block; 8: a web.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The method of filling the trailing edge of a wind power blade according to the present invention is described below with reference to fig. 1 to 4.
As shown in fig. 1, the method for filling the trailing edge of the wind power blade provided by the embodiment of the invention comprises the following steps:
step 110, forming a first bonding plane in a region to be bonded of the rear edge of the windward shell of the blade;
step 120, forming a second bonding plane in a region to be bonded of the rear edge of the leeward side shell of the blade;
130, buckling a blade windward side shell and a blade leeward side shell, forming an included angle between a first bonding plane and a second bonding plane, and determining the angle size of a filling cushion block according to the included angle and the thickness requirement of a bonding adhesive layer;
And 140, bonding and fixing the filling cushion block between the first bonding plane and the second bonding plane.
The to-be-bonded area at the rear edge of the blade windward side shell 1 and the to-be-bonded area at the rear edge of the blade leeward side shell 2 are respectively processed to form a first bonding plane and a second bonding plane, and the first bonding plane and the second bonding plane are both planes and can be matched with the filling cushion block 3 better, so that the operation is convenient and relatively stable.
The processing of the first bonding plane and the second bonding plane only needs to ensure that an included angle is formed between the first bonding plane and the second bonding plane after the blade windward side shell 1 and the blade leeward side shell 2 are buckled.
After the windward side shell 1 of the blade and the leeward side shell 2 of the blade are buckled, the angle size of the filling cushion block 3 is determined according to the included angle between the first bonding plane and the second bonding plane and the thickness requirement of the bonding adhesive layer, and the space between the first bonding plane and the second bonding plane is filled by the filling cushion block 3.
The use of the filling cushion block 3 reduces the processing requirements on the first bonding plane and the second bonding plane, and compared with the shape and the size of the control boss in the prior art, the angle size of the filling cushion block 3 is determined according to the requirements on the included angle and the thickness of the bonding adhesive layer so as to adapt to the operation of the included angle between the first bonding plane and the second bonding plane, so that the operation is simpler and more convenient, the difficulty in controlling the gap between the blade windward side shell 1 and the blade leeward side shell 2 is reduced, the pouring difficulty of the blade windward side shell 1 and the blade leeward side shell 2 is reduced, and the problem that the gap between the blade windward side shell 1 and the blade leeward side shell 2 in the prior art is not easy to control is solved.
For the convenience of operation and processing of the filling cushion block 3, the included angle between the first bonding plane and the second bonding plane can be controlled within the range of 30-70 degrees, and the included angle can be specifically determined according to the shape and the size of the rear edge of the wind power blade.
In some embodiments, the angle between the first bonding plane and the second bonding plane is controlled to be about 70 °.
The included angle between the first bonding plane and the second bonding plane can be controlled by controlling the included angle between the first bonding plane and the rear edge of the blade windward side shell 1 and the included angle between the second bonding plane and the rear edge of the blade leeward side shell 2 when the first bonding plane and the second bonding plane are formed by processing, and specifically, the included angle between the first bonding plane and the rear edge of the blade windward side shell 1 and the included angle between the second bonding plane and the rear edge of the blade leeward side shell 2 can be controlled within the range of 10 degrees to 30 degrees.
The filling pad 3 may be a pad specially processed according to the measured value of the included angle between the first bonding plane and the second bonding plane.
The filling cushion block 3 can also be a cushion block which is processed in advance, a plurality of cushion blocks with different angles are processed in advance, and the cushion blocks are selected according to specific requirements in the later period. When the cushion blocks are selected, each cushion block can be stretched into the space between the first bonding plane and the second bonding plane one by one, and the cushion blocks are selected and determined by observing the adaptation degree.
The filling pad 3 may be made of polyvinyl chloride (abbreviated as PVC in english) or polyethylene terephthalate (abbreviated as PET in english).
In the embodiment of the invention, the filling cushion block 3 is adhered and fixed between the first adhesion plane and the second adhesion plane by using an adhesive. The adhesive may be a structural adhesive.
Specifically, an adhesive may be coated on the surface of the filling cushion block 3, or an adhesive may be coated on the first bonding plane and the second bonding plane, and then the filling cushion block 3 is stretched between the first bonding plane and the second bonding plane, and after the position of the filling cushion block 3 is adjusted, the position of the filling cushion block 3 is kept stable. After the adhesive is solidified, the filling of the rear edge of the wind power blade can be completed, and the subsequent reinforcement connection can be carried out as required.
In this embodiment, the position of the filling pad 3 is kept stable by providing the supporting means 4 on the side of the filling pad 3 facing the leading edge of the blade, preventing the filling pad 3 from dislocating.
The support device 4 has a first support portion and a second support portion, which can be moved toward and away from each other.
The supporting device 4 may be disposed between the filling cushion block 3 and the web 8 of the wind turbine blade, specifically, the position of the supporting device 4 may be adjusted, so that the first supporting portion is opposite to the filling cushion block 3, and then the distance between the first supporting portion and the second supporting portion is adjusted, so that the first supporting portion and the second supporting portion respectively abut against the filling cushion block 3 and the web 8 of the wind turbine blade, thereby completing the layout of the supporting device 4.
Specifically, the supporting device 4 includes a first telescopic supporting rod, and the two ends of the first telescopic supporting rod are the first supporting portion and the second supporting portion respectively. In order to ensure the stability of the supporting device 4 when the filling cushion block 3 is tightly supported, the number of the second supporting parts can be increased, as shown in fig. 2, the supporting device 4 further comprises two second telescopic supporting rods, one ends of the two second telescopic supporting rods are hinged with the side wall of the first telescopic supporting rod, the other end of one second telescopic supporting rod is supported at the connecting position between the windward side shell 1 and the web 8 of the blade, and the other end of the other second telescopic supporting rod is supported at the connecting position between the leeward side shell 2 and the web 8 of the blade.
The other ends of the two second telescopic supporting rods are provided with angle guards, and the angle of the angle guards can be determined according to the included angle between the web plate 8 and the windward side shell 1 of the blade and the included angle between the web plate 8 and the leeward side shell 2 of the blade. Cushion blocks are arranged at two ends of the first telescopic supporting rod.
The cushion block and the corner protector can be made of rubber, the supporting device 4 is supported on the cushion block 3 and the web 8 of the wind power blade through the cushion block and the corner protector, scratch and abrasion to the cushion block 3 and the web 8 of the wind power blade can be reduced, friction between the cushion block and the cushion block 3 and friction between the cushion block and the web 8 of the wind power blade can be increased, and stability of the supporting device 4 is guaranteed.
In the embodiment of the invention, the first bonding plane can be formed in the to-be-bonded area of the rear edge of the blade windward side shell 1 by processing the first boss on the rear edge of the blade windward side shell 1, and the surface of the first boss, which is far away from the blade windward side shell 1, is the first bonding plane.
Correspondingly, a second bonding plane can be formed in the to-be-bonded area of the rear edge of the blade leeward side shell 2 by processing a second boss in the to-be-bonded area of the rear edge of the blade leeward side shell 2, and one surface, away from the blade leeward side shell 2, of the second boss is the second bonding plane.
The first boss can be formed on the windward shell of the blade by adopting a pouring molding process, specifically, the first boss and the windward shell of the blade can be integrally poured and molded in a die, and the first boss can be formed inside the windward shell of the blade by adopting a pressurized pouring molding process outside the field in the later period.
Similarly, a second boss can be formed on the leeward shell of the blade by adopting a pouring molding process, specifically, the second boss and the leeward shell of the blade can be integrally poured and molded in a die, and the second boss can be formed in the leeward shell of the blade by adopting a pressurized pouring molding process outside the field in the later stage.
In a specific embodiment, the operation of pouring and forming can be completed by paving glass fiber cloth and pouring resin. The technical means of infusion molding by using glass fiber cloth and resin is mature prior art for the person skilled in the art, and is not described here in detail.
In an alternative embodiment, the first cushion block 6 and the second cushion block 7 may be prefabricated, and the first cushion block 6 is adhered and fixed to the rear edge of the blade windward shell 1 and the second cushion block 7 is adhered and fixed to the rear edge of the blade leeward shell 2 by using an adhesive, referring to fig. 3.
The method for forming the first bonding plane and the second bonding plane by bonding the first cushion block 6 and the second cushion block 7 is not only suitable for bonding the wind power blade during processing and manufacturing the wind power blade, but also suitable for repairing and maintaining the wind power blade in the later repairing process.
The material of the first pad 6 and the second pad 7 may be polyvinyl chloride (PVC for short in english) or polyethylene terephthalate (PET for short in english).
In the filling method of the wind power blade trailing edge of the embodiment, after the filling cushion block 3 is adhered and fixed between the first adhering plane and the second adhering plane, a reinforcing layer 5 can be further arranged on one side of the first boss, the second boss and the filling cushion block 3 facing the front edge of the blade, as shown in fig. 4, so that the reinforcing layer 5 is simultaneously fixed with the first boss, the second boss and the filling cushion block 3, and the connection strength between the first boss and the filling cushion block 3 and the connection strength between the second boss and the filling cushion block 3 are further increased.
In this embodiment, the reinforcing layer 5 includes a first glass fiber cloth and a second glass fiber cloth that are stacked, and the second glass fiber cloth is located on a side of the first glass fiber cloth away from the filling pad 3. After the first glass fiber cloth and the second glass fiber cloth are soaked in the resin, the first glass fiber cloth and the second glass fiber cloth are sequentially fixed on the side surfaces of the first boss, the second boss and the filling cushion block 3 in a manual pasting mode, and after the resin is solidified, the reinforcement layer 5 is laid.
The first glass fiber cloth is positioned in the edge contour of the second glass fiber cloth, so that the stress of the reinforcing layer 5 can be effectively reduced.
It should be noted that, the embodiment of the present invention does not specifically limit the sequence of the steps, so long as the implementation sequence of the steps is reasonable. For example, after the adhesive between the filling cushion block 3 and the first boss and the adhesive between the filling cushion block 3 and the second boss are completely cured, a reinforcing layer 5 is arranged on one side of the first boss, the second boss and the filling cushion block 3; the adhesive and the resin can be cured synchronously after the filling cushion block 3 is placed between the first boss and the second boss and the reinforcing layer 5 is arranged on one side of the first boss, the second boss and the filling cushion block 3.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A method of filling a trailing edge of a wind turbine blade, comprising:
processing a first boss in a to-be-bonded area at the rear edge of a blade windward shell to form a first bonding plane, wherein the first bonding plane is one surface of the first boss away from the blade windward shell;
Processing a second boss in a to-be-bonded area of the rear edge of the blade leeward side shell to form a second bonding plane, wherein the second bonding plane is one surface of the second boss away from the blade leeward side shell;
The windward side shell of the blade and the leeward side shell of the blade are buckled, an included angle is formed between the first bonding plane and the second bonding plane, and the angle size of the filling cushion block is determined according to the included angle and the thickness requirement of the bonding adhesive layer;
The method comprises the steps that a filling cushion block is fixedly bonded between a first bonding plane and a second bonding plane, a supporting device is arranged on one side, facing to the front edge of a blade, of the filling cushion block, the supporting device comprises a first telescopic supporting rod and two second telescopic supporting rods, one ends of the two second telescopic supporting rods are hinged with the side wall of the first telescopic supporting rod, the other ends of the second telescopic supporting rods are propped against the connecting position between a lee surface shell of the blade and a web plate of a wind power blade, and two ends of the first telescopic supporting rods are respectively propped against the filling cushion block and the web plate of the wind power blade so as to keep the position of the filling cushion block stable;
And arranging a reinforcing layer on one side of the first boss, the second boss and the filling cushion block, which faces the front edge of the blade, so that the reinforcing layer is simultaneously fixed with the first boss, the second boss and the filling cushion block.
2. The method of filling a trailing edge of a wind turbine blade of claim 1, wherein adhesively securing the filling block between the first bonding plane and the second bonding plane comprises:
coating an adhesive on the surface of the filling cushion block, or coating the adhesive on the first bonding plane and the second bonding plane;
And extending the filling cushion block between the first bonding plane and the second bonding plane, and keeping the position of the filling cushion block stable.
3. A method of filling a trailing edge of a wind power blade according to any of claims 1-2, wherein the angle between the first bonding plane and the second bonding plane is 30-70 degrees.
4. The method of filling a trailing edge of a wind power blade according to claim 1, wherein the reinforcement layer comprises a first glass fiber cloth and a second glass fiber cloth arranged in a stacked manner, the second glass fiber cloth being located on a side of the first glass fiber cloth away from the filling pad, the first glass fiber cloth being located within an edge profile of the second glass fiber cloth.
5. The method for filling a trailing edge of a wind power blade according to claim 4, wherein a pouring molding process is adopted to form the first boss on the windward shell of the blade, or a first cushion block is adhered and fixed on the trailing edge of the windward shell of the blade to form the first boss;
And forming the second boss on the leeward shell of the blade by adopting a pouring molding process, or adhering and fixing a second cushion block on the rear edge of the leeward shell of the blade to form the second boss.
6. The method for filling a trailing edge of a wind power blade according to claim 1, wherein the filling cushion block is made of polyvinyl chloride or polyethylene terephthalate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314450.2A CN114770959B (en) | 2022-03-28 | Filling method for trailing edge of wind power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314450.2A CN114770959B (en) | 2022-03-28 | Filling method for trailing edge of wind power blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114770959A CN114770959A (en) | 2022-07-22 |
| CN114770959B true CN114770959B (en) | 2024-07-12 |
Family
ID=
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561419A (en) * | 2020-06-11 | 2020-08-21 | 国电联合动力技术(保定)有限公司 | Design method for filling core material at rear edge of wind power blade |
| CN215762026U (en) * | 2021-08-03 | 2022-02-08 | 连云港中复连众复合材料集团有限公司 | Trailing edge structure of wind power blade and wind power blade |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561419A (en) * | 2020-06-11 | 2020-08-21 | 国电联合动力技术(保定)有限公司 | Design method for filling core material at rear edge of wind power blade |
| CN215762026U (en) * | 2021-08-03 | 2022-02-08 | 连云港中复连众复合材料集团有限公司 | Trailing edge structure of wind power blade and wind power blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105934328B (en) | The method for manufacturing shear web using preform web foot flange | |
| US9422916B2 (en) | Method for manufacturing a wind turbine rotor blade | |
| US8096778B2 (en) | Structural beam for a wind generator blade production method thereof | |
| US4822436A (en) | Apparatus for debulking and autoclaving laminates of complex shapes | |
| CN110524919B (en) | Method for bonding and repairing aircraft composite material part by adopting separated double-vacuum-bag hot-press molding process | |
| CN105346105B (en) | The making mould and preparation method of a kind of wind electricity blade | |
| WO2023216673A1 (en) | Modular blade connection structure, method, and tooling | |
| CN114770959B (en) | Filling method for trailing edge of wind power blade | |
| CN109551789A (en) | A kind of preparation method that stickup angle is supported with polyurethane of blade of MW class wind turbine | |
| CN112537047A (en) | Forming and assembling method for composite material reflector | |
| US20240011462A1 (en) | Wind turbine blade shear web | |
| CN108819290B (en) | Wind blade front edge pasting angle die positioning device and manufacturing method thereof | |
| CN102873884B (en) | Composite material combined core mold compensation pad process | |
| CN110733188A (en) | wind power blade trailing edge vertical surface area filling method | |
| CN109927318A (en) | A kind of wire arrangements system of wind electricity blade, wind electricity blade and preparation method thereof | |
| US20080283172A1 (en) | Method for Repairing a Composite Structural Outer Skin | |
| CN214726637U (en) | Root splicing type wind power blade | |
| CN114770959A (en) | Filling method for trailing edge of wind power blade | |
| CN112248494B (en) | Method for molding multi-embedded-part sandwich antenna housing | |
| CN109291466A (en) | A kind of forming method of big chamfering honeycomb sandwich construction part | |
| CN111188727B (en) | Wind turbine blade root structure and production method thereof | |
| CN115027076A (en) | Manufacturing method of wind power blade bonding angle die | |
| CN112848349A (en) | Root spliced wind power blade and manufacturing method thereof | |
| CN111546668A (en) | Method for integrally forming and sectionally splicing curved surface and reinforcing rib plate of large fiber reinforced composite material | |
| CN217233697U (en) | Positioning device, blade web and wind turbine blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |