CN110242510A - A kind of Z-pin enhancing composite material wind-power blade and its manufacturing method - Google Patents
A kind of Z-pin enhancing composite material wind-power blade and its manufacturing method Download PDFInfo
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- CN110242510A CN110242510A CN201810194715.3A CN201810194715A CN110242510A CN 110242510 A CN110242510 A CN 110242510A CN 201810194715 A CN201810194715 A CN 201810194715A CN 110242510 A CN110242510 A CN 110242510A
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/84—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by moulding material on preformed parts to be joined
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
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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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/21—Rotors for wind turbines
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of Z-pin enhancing composite material wind-power blade and its manufacturing methods, it includes: shell that the Z-pin, which enhances composite material wind-power blade, shell is made of upper housing and lower case, and the junction of upper housing and lower case is equipped with articulamentum, the top of articulamentum is bonded with the inside of upper housing, the Z-pin for being improved bonding strength is implanted between the lower part of articulamentum and the inside fitting of lower case and the top and upper housing of articulamentum, between the lower part and lower case of articulamentum；And Z-pin enhances composite material wind-power blade further include: girder, it fits to form faying face on the inside of girder and upper housing, the inside of girder and lower case is bonded to form lower faying face, and the joint of the joint of upper faying face, lower faying face is implanted into the Z-pin for being improved bonding strength, and in shell, the two sides of girder are also filled with filled and process.The present invention with the aid of the technical scheme, can improve peel strength.
Description
Technical field
The present invention relates to composite materials to enhance technical field, it particularly relates to which a kind of Z-pin enhances composite material wind-power
Blade and its manufacturing method.
Background technique
Wind electricity blade is the critical component that energy converts in wind power generating set, is also stress component the most complicated,
Its quality manufactured and designed is directly related to the efficiency and service life of wind-driven generator, affects the performance of whole system,
Middle composite material wind-power blade is got over because of the advantages that its high-strength light, designability and load-carrying properties are good, fatigue behaviour is good
To be more widely applied.
In addition, the prior art also discloses the manufacturing process of different wind electricity blades, for example, prior art discloses one kind
Z-pin enhances composite material wind-power blade structure and its manufacturing method, by being added to I-shaped use among wind electricity blade
Upper and lower half vane covering is connected, junction is connected and fixed with Z-pin reinforcement, blade cavity is filled with foam, but side herein
It is I-shaped smaller with the faying face of upper and lower covering in method, and for compared with vast sky cavity shell, I-shaped positional value must be discussed, it is difficult
To reach balance；The prior art also discloses a kind of Z-pin enhancing composite material wind-power blade and its manufacturing method, pass through by
Z-pin is implanted into foam preform, and for connecting upper and lower half vane covering, blade cavity is filled with foam, but in this method,
The problems such as when blade outside face by impacting, only upper-lower casing is carried, poor so as to cause thickness direction impact resistance.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes that a kind of Z-pin enhances composite material wind-power blade and its manufacture
Method, which solve the coverings up and down of its shell existing for existing wind electricity blade to be easily layered, bending resistance is poor, peeling resistance
Low, the problems such as bearing capacity is weak.
The technical scheme of the present invention is realized as follows:
According to an aspect of the invention, there is provided a kind of Z-pin enhances composite material wind-power blade.
It includes: shell that the Z-pin, which enhances composite material wind-power blade, and shell is made of upper housing and lower case, and on
The junction of shell and lower case is equipped with articulamentum, and the top of articulamentum be bonded with the inside of upper housing, the lower part of articulamentum with
It is implanted between the inside fitting of lower case and the top and upper housing of articulamentum, between the lower part and lower case of articulamentum
It is improved the Z-pin of bonding strength；And Z-pin enhances composite material wind-power blade further include: girder, girder and upper housing
Inside fits to form faying face, and the inside of girder and lower case is bonded the engagement to form lower faying face and upper faying face
Place, lower faying face joint be implanted into the Z-pin for being improved bonding strength, and in shell, the two sides of girder are also filled up
There is filled and process.
According to one embodiment of present invention, girder is I-shaped girder or π font girder.
According to one embodiment of present invention, in the case where girder is π font girder, multiple periods are provided in shell
The girder of arrangement, and in every two adjacent girders, a girder rotates 180 ° of formation relative to another girder.
According to one embodiment of present invention, Z-pin is cylindrical type stub.
According to one embodiment of present invention, the implantation direction of the Z-pin between articulamentum and upper housing perpendicular to
The joint face of articulamentum and upper housing, and the Z-pin between articulamentum and lower case implantation direction perpendicular to connection
The joint face of layer and lower case.
According to one embodiment of present invention, positioned at the joint of upper faying face Z-pin implantation direction perpendicular to upper
Joint surface, and positioned at lower faying face joint Z-pin implantation direction perpendicular to lower faying face.
According to another aspect of the present invention, a kind of manufacturing method of Z-pin enhancing composite material wind-power blade is provided.
The manufacturing method that the Z-pin enhances composite material wind-power blade includes: step S1, prepares Z- by pultrude process
Z-pin is implanted into foam preform by pin；Step S2 is coated on particular manufacturing craft according to the ply stacking-sequence and the number of plies of design
Girder and articulamentum；Step S3 sticks shell, and the lower mold middle berth in wind electricity blade in the upper mold middle berth of wind electricity blade
Lower case is pasted, the girder after being then coated with step S2 is placed on the predetermined position of lower case, keeps the lower edge lower surface of girder tight
The inside of lower case is pasted, to form lower faying face；Step S4, after being coated with along the edge placement step S2 of the inside of lower case
Articulamentum, so that the lower half portion of articulamentum is close to the inside of lower case, the top half of articulamentum is located at the outside of lower case；
Step S5 places ready foam preform in step S1, makes itself and the lower edge upper surface of girder, the lower half portion of articulamentum
It is bonded with the inside of lower case；Z-pin in foam preform is implanted to lower joint surface, extends through girder by step S6
Then lower edge and lower joint surface remove extra foam and Z-pin, and the Z-pin in foam preform are also implanted to company
It connects in the lower half portion and lower case of layer, extends through the lower half portion of articulamentum and the joint face of lower case；Step S7, in master
The two sides injection frostproof froth n material of beam makes on the inner wall of upper housing and the upper limb of girder then by upper mold and lower mold pairing
Surface fits, faying face in formation, and makes the inside of the top half abutting upper housing of articulamentum；Step S8, is removed
Mold and upper housing place ready foam preform in step S1, make itself and the upper surface of girder, the upper half of articulamentum
Divide and the inside of upper housing is bonded；Z-pin in foam preform is implanted to upper joint surface, extends through girder by step S9
Upper limb and upper joint surface, then remove extra foam and Z-pin, the Z-pin in foam preform be also implanted to connection
In the top half and upper housing of layer, the top half of articulamentum and the joint face of upper housing are extended through；Step S10, again
Upper mold is closed, by above-mentioned uncured Z-pin enhancing composite material wind-power blade solidification, so that it is compound to obtain Z-pin enhancing
Material wind electricity blade.
According to one embodiment of present invention, in step S6 and step S9, the implantation of Z-pin is to be planted using ultrasound applicator
Enter.
According to one embodiment of present invention, Z-pin is cylindrical type stub.
According to one embodiment of present invention, girder is I-shaped girder or π font girder.
The beneficial technical effect of the present invention lies in:
Girder, articulamentum are connected by the present invention by Z-pin with covering shell, and girder is as primary load bearing structure, even
The adhesion strength that layer is used to improve upper and lower covering is connect, peel strength is improved, also avoids connecting because of upper and lower blade shell and girder
The degumming at the place of connecing and cause structure destroy and shell performance cannot be played very well, more importantly, Z-pin enhance designability
By force, and meet requirement of the wind electricity blade to material high-strength light.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the cross-sectional view of Z-pin enhancing composite material wind-power blade according to an embodiment of the present invention；
Fig. 2 is the flow chart of the manufacturing method of Z-pin enhancing composite material wind-power blade according to an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, providing a kind of Z-pin enhancing composite material wind-power blade.
As shown in Figure 1, Z-pin according to an embodiment of the present invention enhancing composite material wind-power blade includes: shell, shell by
Upper housing 1 and lower case 2 form, and the junction of upper housing 1 and lower case 2 is equipped with articulamentum 4, the top of articulamentum 4 with
Top and the upper housing 1 of the inside fitting of upper housing 1, the lower part of articulamentum 4 and the inside fitting of lower case 2 and articulamentum 4
Between, the implantation Z-pin 5 that is improved bonding strength between the lower part of articulamentum 4 and lower case 2；And Z-pin 5 enhances
Composite material wind-power blade further include: the inside of girder 3, girder 3 and upper housing 1 fits to form faying face, and girder 3 is under
The joint that the inside of shell 2 is bonded the joint, lower faying face to form lower faying face and upper faying face, which is implanted into, to be improved
The Z-pin 5 of bonding strength, and in shell, the two sides of girder 3 are also filled with filled and process.
By means of above-mentioned technical proposal of the invention, girder, articulamentum are connected by the present invention by Z-pin with covering shell
It connects, girder is used to improve the adhesion strength of upper and lower covering as primary load bearing structure, articulamentum, improves peel strength, also keeps away
Exempt from the degumming because of upper and lower blade shell and girder junction due to structure is caused to destroy and shell performance cannot be played very well, more
Importantly, it is strong to enhance designability by Z-pin, and meets requirement of the wind electricity blade to material high-strength light.
In order to preferably describe technical solution of the present invention, it is described in detail below by specific embodiment.
Currently, the manufacturing process of existing wind electricity blade includes: filled and process, but the disadvantage is that foam bearing capacity is poor；
By way of splicing, increases the girder for carrying, but the intensity for being glued face is much weaker than the intensity of shell, girder, be easy
It is layered unsticking；Increase the girder for carrying by Z-pin, but the disadvantage is that there are connection gaps between upper and lower casing, works as leaf
When piece stress, the easy degumming in interface causes structure to be destroyed.Wind electricity blade structure provided by the invention mainly includes the upper of blade cavity
The upper limb of shell 1, lower case 2 and girder 3, articulamentum 4, girder 3 is bonded to form upper faying face with the inner wall of upper housing 1, main
The lower edge of beam 3 and the inner wall precision of lower case 2 fit, articulamentum 4 at the gap that upper and lower half vane connects, upper joint surface
Junction, the junction on lower joint surface and articulamentum 4 have been implanted with the Z-pin 5 of pinning bridge linking effect, in blade cavity
It is filled with filled and process positioned at the two sides of girder 3, to improve between upper and lower casing by above-mentioned this structure and blade
Bonding strength, improvement interlaminal toughness between girder 3, increase designability.
As shown in Figure 1, the Z-pin enhancing composite material wind-power blade include: the upper housing 1 of blade cavity, lower case 2 with
And girder 3, articulamentum 4, wherein the junction of upper housing 1 and lower case 2 is equipped with articulamentum 4, the top of articulamentum 4 and upper casing
The inside of body 1 is bonded, the top and upper housing 1 of the lower part of articulamentum 4 and the inside fitting of lower case 2 and articulamentum 4 it
Between, the implantation Z-pin 5 that is improved bonding strength between the lower part of articulamentum 4 and lower case 2；And shell further include: main
The inside of beam 3, girder 3 and upper housing 1 fits to form faying face, and the inside of girder 3 and lower case 2 fits to form lower knot
The joint of conjunction face and the joint of upper faying face, lower faying face is implanted into the Z-pin 5 for being improved bonding strength, and
In shell, the two sides of girder 3 are also filled with filled and process, wherein Z-pin 5 is cylindrical type stub, and the Z-pin 5 is
It is made of composite material, for example, according to one embodiment of present invention, which is the cylinder being made up of fibre resin
Type stub is used to be implanted into the good prepreg of paving and forms three-dimensional enhancing structure, forms three-dimensional overall structure through co-curing, from
And when wind electricity blade stress, Z-pin 5 hinders the extension of crackle to the bridging power of blade shell and girder 3, articulamentum 4 with
5 structure of bridging Z-pin between upper housing 1 and lower case 2 can inhibit splitting, while " pinning " of Z-pin 5 well
Effect and self-deformation can alleviate destruction, thus improve the bonding strength of upper housing 1 and lower case 2, peel strength with resist it is tired
Labor performance.Although in addition, of course it is to be understood that being composite material, those skilled in the art this example show the Z-pin 5
It should be appreciated that the Z-pin 5 can carry out the selection of material according to actual needs, for example, according to one embodiment of present invention, it should
Z-pin 5 can be metal material, and which is not limited by the present invention.
In addition, as shown in Figure 1, the girder 3 is I-shaped girder, the upper limb upper surface of the I-shaped girder and upper housing
1 inner wall fitting, the lower edge lower surface of I-shaped girder is bonded with 2 inner wall of lower case, in addition, of course it is to be understood that the girder 3
Can also be selected according to actual needs, for example, according to one embodiment of present invention, the girder 3 can also for π font girder,
Π font girder etc., which is not limited by the present invention.
In addition, the girder 3 of multiple periodic arrangements is provided in shell in the case where girder 3 is π font girder, and
In every two adjacent girders 3, a girder 3 rotates 180 ° of formation relative to another girder 3, thus by increasing π
The quantity of font girder, and enhancing dot matrix grid is formed by adjusting π font girder direction.
According to an embodiment of the invention, additionally providing a kind of manufacturing method of Z-pin enhancing composite material wind-power blade.
As shown in Fig. 2, the manufacturing method of Z-pin enhancing composite material wind-power blade according to an embodiment of the present invention includes:
Step S201 prepares Z-pin 5 by pultrude process, Z-pin 5 is implanted into foam preform；Step S203, in die for special purpose
On tool, girder 3 and articulamentum 4 are coated with according to the ply stacking-sequence and the number of plies of design；Step S205, in the upper mold of wind electricity blade
Paving upper housing 1, and lower case 2 is pasted in the lower mold middle berth of wind electricity blade, the girder 3 after being then coated with step S203 is put
The predetermined position in lower case 2 is set, the lower edge lower surface of girder 3 is made to be close to the inside of lower case 2, to form lower faying face；
Step S207 places the articulamentum 4 after step S203 is coated with along the edge of the inside of lower case 2, makes the lower half of articulamentum 4
Divide the inside for being close to lower case 2, the top half of articulamentum 4 is located at the outside of lower case 2；Step S209 places step S201
In ready foam preform, make the inside of itself and the lower edge upper surface of girder 3, the lower half portion of articulamentum 4 and lower case 2
Fitting；Z-pin 5 in foam preform is implanted to lower joint surface by step S211, and the lower edge for extending through girder 3 connects under
Then conjunction face removes extra foam and Z-pin 5, and the Z-pin 5 in foam preform is also implanted to articulamentum 4
In lower half portion and lower case 2, the lower half portion of articulamentum 4 and the joint face of lower case 2 are extended through；Step S213, in master
The two sides injection frostproof froth n material of beam 3 makes the inner wall of upper housing 1 and the upper limb of girder 3 then by upper mold and lower mold pairing
Upper surface fits, faying face in formation, and makes the inside of the top half abutting upper housing 1 of articulamentum 4；Step S215,
It removes upper mold and upper housing 1, places ready foam preform in step S201, make it with the upper surface of girder 3, connect
The top half of layer 4 and the inside fitting of upper housing 1；Z-pin 5 in foam preform is implanted to upper engagement by step S217
Face, extend through girder 3 upper limb and upper joint surface, then remove extra foam and Z-pin 5, will also be in foam preform
Z-pin 5 be implanted to articulamentum 4 top half and upper housing 1 in, extend through the top half and upper housing of articulamentum 4
1 joint face；Step S219, closes upper mold again, and above-mentioned uncured Z-pin 5 is enhanced composite material wind-power blade and is consolidated
Change, so that obtaining Z-pin 5 enhances composite material wind-power blade.
In order to preferably describe the embodiment of the present invention, it is described in detail below by specific embodiment.
Embodiment one
In the present embodiment, the girder 3 be I-shaped girder, the manufacturing method the following steps are included:
Step 1: Z-pin 5 is prepared using advanced pultrude process, which is the cylinder being made up of fibre resin
Type stub, then the foam preform 6 for being processed the implantation machine of Z-pin 5 by ultrasound applicator；
Step 2: on particular manufacturing craft, according to design ply stacking-sequence and number of plies paving composite material I-shaped girder,
Articulamentum 4；
Step 3: upper and lower casing is pasted in the upper and lower mold middle berth of blade respectively, is then placed on down I-shaped girder
The inner wall of the predetermined position of shell 2, the lower edge lower surface and lower case 2 that make I-shaped girder fits, and forms lower faying face；
Step 4: articulamentum 4 is placed along the edge of the inside of lower case 2, the lower half portion of articulamentum 4 is made to be close to lower casing
The inside of body 2, the top half of articulamentum 4 are located at the outside of lower case 2；
Step 5: placing ready foam preform 6 in step 1, make its lower edge upper surface with I-shaped girder with
And it is bonded on the inside of lower case 2；
Step 6: being implanted to lower joint surface for the Z-pin 5 in foam preform, extend through I-shaped girder lower edge and
Then lower joint surface removes extra foam and Z-pin 5, and Z-pin 5 is implanted into lower half portion and the lower casing of articulamentum 4
In body 2, the lower half portion of articulamentum 4 and the joint face of lower case 2 are extended through；
Step 7: frostproof froth n material is injected in the two sides of I-shaped girder, then by the upper mold of blade shell and lower die
Have pairing, the inner wall of upper housing 1 and the upper surface of I-shaped girder is made to fit, faying face in formation, and by articulamentum 4
Top half is close to 1 inside of upper housing；
Step 8: taking upper housing 1, places ready foam preform 6 in step 1, keeps it upper with I-shaped girder
It is bonded on the inside of surface and upper housing 1；
Step 9: being implanted to upper joint surface for the Z-pin 5 in foam preform, extend through I-shaped girder upper limb and
Then upper joint surface removes extra foam and Z-pin 5, and Z-pin 5 is implanted into the top half and upper casing of articulamentum 4
In body 1, the top half of articulamentum 4 and the joint face of upper housing 1 are extended through；
Step 10: closing upper mold again, and above-mentioned uncured Z-pin 5 enhanced wind electricity blade solidification, thus
Obtain this product.
Embodiment two:
In the present embodiment, girder 3 be π font girder, the manufacturing method the following steps are included:
Step 1: using advanced pultrude process, prepares Z-pin 5, which is the cylinder being made up of fibre resin
Type stub, then the foam preform for being processed the implantation machine of Z-pin 5 by ultrasound applicator；
Step 2: on particular manufacturing craft, according to design ply stacking-sequence and number of plies paving composite material π font girder,
Articulamentum 4；
Step 3: upper and lower casing is pasted in the upper and lower mold middle berth of blade respectively, π font girder is then placed on lower casing
The predetermined position of body 2 makes the lower edge lower surface of π font girder be close to the inner wall of lower case 2, forms lower faying face；
Step 4: articulamentum 4 is placed along the edge of the inside of lower case 2, the lower half portion of articulamentum 4 is made to be close to lower casing
The inside of body 2, the top half of articulamentum 4 are located at the outside of lower case 2；
Step 5: placing ready foam preform in step 1, make its lower edge upper surface with π font girder and
The inside of lower case 2 is bonded；
Step 6: being implanted to lower joint surface for the Z-pin 5 in foam preform, extend through π font girder lower edge and
Then lower joint surface removes extra foam and Z-pin 5, and Z-pin 5 is implanted into lower half portion and the lower casing of articulamentum 4
In body 2, the lower half portion of articulamentum 4 and the joint face of lower case 2 are extended through；
Step 7: frostproof froth n material is injected in the two sides of π font girder, then by the upper mold of blade shell and lower mold
Pairing makes the inner wall of upper housing 1 and the upper surface of π font girder fit, faying face and by the upper half of articulamentum 4 in formation
It is close to the inside of upper housing 1 in part；
Step 8: removing upper housing 1, places ready foam preform in step 1, keeps it upper with π font girder
Surface and the fitting of the inside of upper housing 1；
Step 9: being implanted to upper joint surface for the Z-pin 5 in foam preform, extend through π font girder upper limb and
Then upper joint surface removes extra foam and Z-pin 5, and Z-pin 5 is implanted into the top half and upper casing of articulamentum 4
In body 1, the top half of articulamentum 4 and the joint face of upper housing 1 are extended through；
Step 10: closing upper mold again, and above-mentioned uncured Z-pin 5 enhanced wind electricity blade solidification, thus
Obtain this product.
Embodiment three:
In the present embodiment, girder 3 is π font girder, and increases the quantity of π font girder, and by adjusting π word
Type girder direction formed enhancing dot matrix grid, the manufacturing method the following steps are included:
Step 1: using advanced pultrude process, prepares Z-pin 5, which is the cylinder being made up of fibre resin
Type stub, then the foam preform for being processed the implantation machine of Z-pin 5 by ultrasound applicator；
Step 2: on particular manufacturing craft, according to design ply stacking-sequence and number of plies paving composite material π font girder,
Articulamentum 4；
Step 3: upper and lower casing is pasted in the upper and lower mold middle berth of blade respectively, is then placed on multiple π font girders
The predetermined position of lower case 2 makes the lower edge lower surface of π font girder be close to 2 inner wall of lower case, forms lower faying face, Yi Ji
In per two adjacent π font girders, a π font girder rotates 180 ° of formation relative to another main π font girder, from
And π font girder direction is exchanged by interval, it is allowed to form enhancing dot matrix grid；
Step 4: articulamentum 4 is placed along the edge of the inside of lower case 2, the lower half portion of articulamentum 4 is made to be close to lower casing
The inside of body 2, the top half of articulamentum 4 are located at the outside of lower case 2；
Step 5: placing ready foam preform in step 1, make its lower edge upper surface with π font girder and
The inside of lower case 2 is bonded；
Step 6: being implanted to lower joint surface for the Z-pin 5 in foam preform, extend through π font girder lower edge and
Then lower joint surface removes extra foam and Z-pin 5, and Z-pin 5 is implanted into lower half portion and the lower casing of articulamentum 4
In body 2, the lower half portion of articulamentum 4 and the joint face of lower case 2 are extended through；
Step 7: frostproof froth n material is injected in the two sides of π font girder, then by the upper mold of blade shell and lower mold
Pairing makes the inner wall of upper housing 1 and the upper surface of π font girder fit, faying face in formation, and makes the upper of articulamentum 4
The inside of half part abutting upper housing 1；
Step 8: removing upper housing 1, places ready foam preform in step 1, keeps it upper with π font girder
It is bonded on the inside of surface and upper housing 1；
Step 9: being implanted to upper joint surface for the Z-pin 5 in foam preform, extend through π font girder upper limb and
Then upper joint surface removes extra foam and Z-pin 5, and Z-pin 5 is implanted into the top half and upper casing of articulamentum 4
In body 1, the top half of articulamentum 4 and the joint face of upper housing 1 are extended through；
Step 10: closing upper mold again, and above-mentioned uncured Z-pin 5 enhanced wind electricity blade solidification, thus
Obtain this product.
In conclusion by means of above-mentioned technical proposal of the invention, by Z-pin by girder, articulamentum and covering shell
It is connected, girder is used to improve the adhesion strength of upper and lower covering as primary load bearing structure, articulamentum, improve peel strength,
It also avoids the degumming because of upper and lower blade shell and girder junction due to structure is caused to destroy and cannot play very well shell
Can, more importantly, it is strong that Z-pin enhances designability, and meets requirement of the wind electricity blade to material high-strength light.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Z-pin enhances composite material wind-power blade, which is characterized in that the Z-pin enhances composite material wind-power blade
It include: shell, the shell is made of upper housing and lower case, and the junction of the upper housing and the lower case is equipped with
Articulamentum, the top of the articulamentum are bonded with the inside of the upper housing, the lower part of the articulamentum and the lower case
Between inside fitting and the top and the upper housing of the articulamentum, the lower part of the articulamentum and the lower case it
Between be implanted with Z-pin for improving bonding strength；And
The Z-pin enhances composite material wind-power blade further include: fits on the inside of girder, the girder and the upper housing
The inside of faying face in formation, the girder and the lower case is bonded to form connecing for lower faying face and the upper faying face
At conjunction, the joint of the lower faying face be implanted with the Z-pin for improving bonding strength, and in the shell
Interior, the two sides of the girder are also filled with filled and process.
2. Z-pin according to claim 1 enhances composite material wind-power blade, which is characterized in that the girder is I-shaped
Type girder or π font girder.
3. Z-pin according to claim 2 enhances composite material wind-power blade, which is characterized in that in the girder be institute
In the case where stating π font girder, it is provided with the girder of multiple periodic arrangements in the shell, and at every adjacent two
In the girder, a girder rotates 180 ° of formation relative to girder described in another.
4. Z-pin according to claim 1 enhances composite material wind-power blade, which is characterized in that the Z-pin is cylinder
Type stub.
5. Z-pin according to claim 1 enhances composite material wind-power blade, which is characterized in that be located at the articulamentum
Joint face of the implantation direction of Z-pin between the upper housing perpendicular to the articulamentum and the upper housing, Yi Jiwei
Company of the implantation direction of Z-pin between the articulamentum and the lower case perpendicular to the articulamentum and the lower case
Junction.
6. Z-pin according to claim 1 enhances composite material wind-power blade, which is characterized in that be located at the upper combination
The implantation direction of the Z-pin of the joint in face is perpendicular to upper joint surface, and positioned at the joint Z-pin of the lower faying face
Direction is implanted into perpendicular to lower faying face.
7. a kind of manufacturing method of Z-pin enhancing composite material wind-power blade characterized by comprising
Step S1 prepares Z-pin by pultrude process, the Z-pin is implanted into foam preform；
Step S2 is coated with girder and articulamentum according to the ply stacking-sequence and the number of plies of design on particular manufacturing craft；
Step S3 sticks shell in the upper mold middle berth of wind electricity blade, and under the lower mold middle berth patch of the wind electricity blade
Shell, the girder after being then coated with the step S2 are placed on the predetermined position of the lower case, make the lower edge of the girder
The inside of the lower case is close in lower surface, to form lower faying face；
Step S4 places the articulamentum after the step S2 is coated with along the edge of the inside of the lower case, makes the connection
The inside of the lower case is close in the lower half portion of layer, and the top half of the articulamentum is located at the outside of the lower case；
Step S5 places ready foam preform in the step S1, makes its lower edge upper surface with girder, the connection
The lower half portion of layer and the inside fitting of the lower case；
Z-pin in the foam preform is implanted to the lower joint surface, extends through the lower edge of the girder by step S6
With the lower joint surface, extra foam and Z-pin are then removed, and is also implanted into the Z-pin in the foam preform
To the articulamentum lower half portion and the lower case in, extend through the articulamentum lower half portion and the lower case
Joint face；
Step S7, in the two sides of the girder, injection frostproof froth n material makes then by the upper mold and the lower mold pairing
The inner wall of the upper housing and the upper limb upper surface of the girder fit, faying face in formation, and make the articulamentum
Top half is close to the inside of the upper housing；
Step S8 removes the upper mold and the upper housing, places the ready foam preform in the step S1,
It is bonded it with the inside of the upper surface of the girder, the top half of the articulamentum and the upper housing；
Z-pin in the foam preform is implanted to the upper joint surface, extends through the upper limb of the girder by step S9
With the upper joint surface, extra foam and Z-pin are then removed, the Z-pin in the foam preform is also implanted to institute
It states in top half and the upper housing of articulamentum, extends through the top half of the articulamentum and the company of the upper housing
Junction；
Step S10 closes the upper mold again, and above-mentioned uncured Z-pin enhancing composite material wind-power blade is solidified, from
And obtain the Z-pin enhancing composite material wind-power blade.
8. the manufacturing method of Z-pin enhancing composite material wind-power blade according to claim 7, which is characterized in that in institute
It states in step S6 and the step S9, the implantation of the Z-pin is to be implanted into using ultrasound applicator.
9. the manufacturing method of Z-pin enhancing composite material wind-power blade according to claim 7, which is characterized in that described
Z-pin is cylindrical type stub.
10. the manufacturing method of Z-pin enhancing composite material wind-power blade according to claim 7, which is characterized in that described
Girder is I-shaped girder or π font girder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194715.3A CN110242510A (en) | 2018-03-09 | 2018-03-09 | A kind of Z-pin enhancing composite material wind-power blade and its manufacturing method |
| PCT/CN2018/125131 WO2019169940A1 (en) | 2018-03-09 | 2018-12-29 | Z-pin reinforced composite wind turbine blade and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194715.3A CN110242510A (en) | 2018-03-09 | 2018-03-09 | A kind of Z-pin enhancing composite material wind-power blade and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110242510A true CN110242510A (en) | 2019-09-17 |
Family
ID=67845467
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|---|---|---|---|
| CN201810194715.3A Pending CN110242510A (en) | 2018-03-09 | 2018-03-09 | A kind of Z-pin enhancing composite material wind-power blade and its manufacturing method |
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| Country | Link |
|---|---|
| CN (1) | CN110242510A (en) |
| WO (1) | WO2019169940A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232321A (en) * | 2021-03-29 | 2021-08-10 | 上海电气风电集团股份有限公司 | Wind power blade shell core material prefabricating process method and shell core material prefabricating member |
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| WO2019169940A1 (en) | 2019-09-12 |
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Application publication date: 20190917 |