CN109397722A - A kind of connection method and connection structure of the prefabricated web and blade shell of wind electricity blade - Google Patents
A kind of connection method and connection structure of the prefabricated web and blade shell of wind electricity blade Download PDFInfo
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- CN109397722A CN109397722A CN201811456932.1A CN201811456932A CN109397722A CN 109397722 A CN109397722 A CN 109397722A CN 201811456932 A CN201811456932 A CN 201811456932A CN 109397722 A CN109397722 A CN 109397722A
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- laying
- excessive
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005611 electricity Effects 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 66
- 239000011347 resin Substances 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 230000010412 perfusion Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 8
- 238000001802 infusion Methods 0.000 claims description 6
- 239000011162 core material Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 239000004035 construction material Substances 0.000 claims description 3
- 210000001015 abdomen Anatomy 0.000 claims description 2
- 239000006227 byproduct Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000007711 solidification Methods 0.000 abstract description 6
- 230000008023 solidification Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 239000000565 sealant Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B29C70/36—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 impregnating by casting, e.g. vacuum casting
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Wind Motors (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention provides the connection methods and connection structure of a kind of prefabricated web of wind electricity blade and blade shell, and connection method is the following steps are included: first step: case material layer is laid on mold；Second step: continue the airtight excessive layer of bonding of laying on the case material layer being laid on mold；Third step: after the airtight excessive layer laying of bonding, then the laying layer of auxiliary material on the case material layer of the airtight excessive layer of bonding of non-laying；Four steps: vacuum bag sealing is carried out;5th step: vacuum suction is compacted the material in all vacuum bags after sealing；6th step: vacuum leak detection inspection；7th step: inspection carries out the perfusion of blade shell resin vacuum after passing through.The beneficial effects of the present invention are: by the perfusion of blade shell progress synchronous with the primary bonding of prefabricated web, to syntype blade manufacture method can under the premise of guaranteeing bonding quality substantially shorten bonding account for the mould time, energy conservation eliminates the heating of solidification twice being routinely bonded.
Description
Technical field
The present invention relates to the prefabricated web of the manufacturing technology field of wind power generation blade more particularly to a kind of wind electricity blade with
The connection method and connection structure of blade shell.
Background technique
Wind electricity blade is the important component of wind power plant, and product quality is very big to the work influence of blower.Blade
Manufacturing cycle it is also critically important for blade manufacturers.
Under present circumstances, global mainstream wind electricity blade manufacturer is mostly to use that first two panels shell is perfused using vacuum resin
Method progress is prefabricated, to ensure bonding quality, then prefabricated web (one or more pieces) is installed on shell with bonding method and (is once glued
Connect) and solidify, then reuse the side that two big shells are carried out molding bonding (secondary bonding) by bonded adhesives with the sub-assembly of web
Method carries out vane manufacturing.The process that this current universal method occupies master mold is divided into four parts: glass fabric, core substantially
The laying of the shell structures material such as material and prefabricated component, the vacuum sealing compacting of case material and resin infusion and solidification, prefabricated abdomen
The primary bonding of plate, the molding bonding of upper-lower casing.The main mould of this method accounts for that the mould time is long, reduces the turnover rate of main mould,
It is the common issue that each vane manufacturing factory is faced.
Summary of the invention
The present invention provides a kind of prefabricated web of wind electricity blade and the connection methods of blade shell, comprising the following steps:
First step: case material layer is laid on mold；
Second step: continue the airtight excessive layer of bonding of laying on the case material layer being laid on mold；
Third step: after the airtight excessive layer laying of bonding, then in the case material of the airtight excessive layer of bonding of non-laying
Laying layer of auxiliary material on layer；
Four steps: carry out vacuum bag sealing, between the edge and vacuum bag of the excessive layer of airtight bonding of laying into
Row sealing, is sealed between die edge and vacuum bag, so that the airtight excessive layer of bonding is collectively formed with vacuum bag
One is completely covered the airtight bag of case material layer and layer of auxiliary material, and exposes being bonded for the excessive layer outer surface of airtight bonding
Face；
5th step: vacuum suction is compacted the material in all vacuum bags after sealing；
6th step: vacuum leak detection inspection；
7th step: inspection carries out the perfusion of blade shell resin vacuum after passing through, in the perfusion of blade shell resin vacuum
Meanwhile by prefabricated web be bonded in the excessive layer outer surface of the airtight bonding of exposure can be on bonding plane.
As a further improvement of the present invention, in the 7th step, resin complete wetting to be perfused is airtight to be bonded
The case material under layer is spent, that is, carries out the bonding work of subsequent prefabricated web and other component.
As a further improvement of the present invention, in the second step, the airtight excessive layer of bonding is product design
The blade construction material allowed, the airtight excessive layer of bonding are a part of final products, the airtight excessive layer of bonding
For sheeting or thin slice preformed material or film material.
As a further improvement of the present invention, in the first step, the laying to the case material layer includes pair
The laying of shell glass fabric, core material, precast construction part.
As a further improvement of the present invention, in the third step, the laying to layer of auxiliary material includes to water conservancy diversion
Medium, porous isolating membrane, vacuum lead the laying of note pipe.
As a further improvement of the present invention, in the second step, the shape of the airtight excessive layer of bonding and laying position
Set the position laying being bonded after needing shell to solidify according to product design.
As a further improvement of the present invention, in the 7th step, it is described can bonding plane apply bonded adhesives, it is described pre-
Web processed is bonded on the airtight excessive layer of bonding by the bonded adhesives.
The invention also discloses a kind of prefabricated web of wind electricity blade and the connection structure of blade shell, case material layer,
Airtight to be bonded excessive layer, prefabricated web, the airtight excessive layer of bonding is laid on the case material layer, the airtight bonding
Excessive layer includes the excessive layer inner surface of airtight bonding and the airtight excessive layer outer surface of bonding, the airtight excessive layer inner surface of bonding
Be fixed together with the case material layer through resin infusion, the excessive layer outer surface of the airtight bonding be can bonding plane,
It is described can bonding plane be bonded the prefabricated web.
As a further improvement of the present invention, it is described can bonding plane apply bonded adhesives, the prefabricated web passes through described viscous
Glue sticking is connect on the airtight excessive layer of bonding.
The beneficial effects of the present invention are: the present invention by blade shell perfusion and prefabricated web the same stepping of once bonding
Row can substantially shorten accounting for the mould time for bonding to syntype blade manufacture method under the premise of guaranteeing bonding quality, energy saving,
Eliminate the heating of solidification twice being routinely bonded.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is sectional view of the present invention along the A-A ' line of Fig. 1；
Fig. 3 carries out prefabricated web while being shell vacuum resin perfusion of the invention (for double webs)
The structure chart of bonding；
Fig. 4 is the pitch structure figure of prefabricated web and sealant tape of the invention；
Fig. 5 is the attachment structure schematic diagram of prefabricated web and blade shell of the invention.
Specific embodiment
As shown in Figs 1-4, the invention discloses the connection method of a kind of prefabricated web 13 of wind electricity blade and blade shell,
The following steps are included:
First step: case material layer 10 is laid on mold 30；
Second step: continue the airtight excessive layer 11 of bonding of laying on the case material layer 10 being laid on mold 30；
Third step: after airtight excessive 11 laying of layer of bonding, then in the shell of the airtight excessive layer 11 of bonding of non-laying
Laying layer of auxiliary material 21 in material layer 10；
Four steps: carrying out vacuum bag 20 and seal, at the edge and vacuum bag 20 of the excessive layer 11 of the airtight bonding of laying
Between be sealed, be sealed between 30 edge of mold and vacuum bag 20 so that the excessive layer of airtight bonding 11 with it is true
The airtight bag that case material layer 10 and layer of auxiliary material 21 is completely covered is collectively formed in empty bag 20, and exposes airtight be bonded
Spend 11 outer surface of layer can bonding plane；
5th step: vacuum suction is compacted the material in all vacuum bags 20 after sealing；
6th step: vacuum leak detection inspection；
7th step: inspection carries out the perfusion of blade shell resin vacuum after passing through, in the perfusion of blade shell resin vacuum
Meanwhile by prefabricated web 13 be bonded in excessive 11 outer surface of layer of the airtight bonding of exposure can be on bonding plane.
Case material layer in the 7th step, under the airtight excessive layer 11 of bonding of resin complete wetting to be perfused
10, that is, carry out the bonding work of subsequent prefabricated web 13 and other component.
In the second step, the blade construction material that the airtight excessive layer 11 of bonding is allowed by product design,
The airtight excessive layer 11 of bonding is a part of final products, and the airtight excessive layer 11 of bonding is sheeting or the pre- saw lumber of thin slice
Material or film material.
In the first step, the laying to the case material layer 10 includes to shell glass fabric, core material, pre-
The laying of structural member processed etc..
In the third step, the laying to layer of auxiliary material 21 includes leading to permeable medium, porous isolating membrane, vacuum
Infuse the laying of pipe etc..
In the second step, the shape of the excessive layer 11 of airtight bonding and laying position are needing shell according to product design
The position laying being bonded after solidification.
In the second step, the airtight excessive layer 11 of bonding is spread in prefabricated web 13 and the position of case bonding
It puts.
In the 7th step, it is described can bonding plane apply bonded adhesives 12, the prefabricated web 13 passes through the bonding
Glue 12 is bonded on the airtight excessive layer 11 of bonding.
It is sealed between the edge and vacuum bag 20 of the airtight excessive layer 11 of bonding by sealant tape 22, in mold 30
It is also to be sealed by sealant tape 22 between edge and vacuum bag 20.
The spacing of the prefabricated web 13 and the sealant tape 22 is greater than 2cm.
In the second step, laying glass is continuous between the excessive layer 11 of the airtight bonding and case material layer 10
Felt, the glass continuous felt play guide functions.
As shown in figure 5, the invention also discloses the connection structure of a kind of prefabricated web 13 of wind electricity blade and blade shell,
Including case material layer 10, the excessive layer 11 of airtight bonding, prefabricated web 13, the airtight excessive layer 11 of bonding is laid in the shell
In body material layer 10, the airtight excessive layer 11 of bonding includes the excessive layer inner surface of airtight bonding and the airtight excessive layer appearance of bonding
Face, the airtight excessive layer inner surface of bonding are fixed together with the case material layer 10 through resin infusion, the gas
The excessive layer outer surface of close bonding be can bonding plane, it is described can bonding plane be bonded the prefabricated web 13.
The blade shell is formed by curing by case material layer 10 with resin infusion.
It is described can bonding plane apply bonded adhesives 12, the prefabricated web 13 by the bonded adhesives 12 be bonded in it is described airtight
It is bonded on excessive layer 11.
The airtight excessive layer 11 of bonding is the material of sheeting or film class.
The case material layer 10 includes shell glass fabric, core material, precast construction part.
The layer of auxiliary material 21 leads note pipeline including permeable medium, porous isolating membrane, vacuum.
After blade shell vacuum resin is perfused and solidifies and terminate, removal layer of auxiliary material 21,22 band of sealant and vacuum
Bag 20.
It is described can bonding plane be rough surface clean, suitable for bonding.
The connection structure has further included the glass continuous felt of guide functions, and the glass continuous felt is laid in the airtight bonding of institute
Between excessive layer 11 and the case material layer 10.
The connection structure method of a kind of prefabricated web 13 of wind electricity blade disclosed by the invention and blade shell includes passing through
Using the airtight excessive layer 11 of bonding, the airtight excessive layer 11 of bonding is made one with vacuum bag 20 with sealant tape 22 and is completely covered
The hermetic bag of entire case material layer 10 and layer of auxiliary material 21 is covered, so that this airtight excessive layer 11 of bonding is both final blade knot
A part of structure, and be a part for playing the role of vacuum sealing in production process, vacuum debulk and tree are carried out after sealing
Rouge perfusion can carry out the bonding of prefabricated web 13 in perfusion so that the resin vacuum perfusion of blade shell with it is prefabricated
The bonding process of web 13 can carry out simultaneously.
The present invention accounts for mould time long problem for existing method, mainly to the company of prefabricated web 13 and case material layer 10
The new method of proposition is connect, is being guaranteed with reaching under the premise of bonding quality (position, 12 thickness and width of bonded adhesives), so that once
It is bonded and is carried out simultaneously with the solidification of the resin infusion of shell, account for the mould time to reduce, reduce the period that a main mould is heating and curing.
The beneficial effects of the present invention are: the present invention by blade shell perfusion and prefabricated web the same stepping of once bonding
Row can substantially shorten accounting for the mould time for bonding to syntype blade manufacture method under the premise of guaranteeing bonding quality, energy saving,
Eliminate the heating of solidification twice being routinely bonded.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of prefabricated web of wind electricity blade and the connection method of blade shell, which comprises the following steps:
First step: case material layer is laid on mold；
Second step: continue the airtight excessive layer of bonding of laying on the case material layer being laid on mold；
Third step: after the airtight excessive layer laying of bonding, then on the case material layer of the airtight excessive layer of bonding of non-laying
Laying layer of auxiliary material；
Four steps: vacuum bag sealing is carried out, is carried out between the edge and vacuum bag of the excessive layer of airtight bonding of laying close
Envelope, is sealed between die edge and vacuum bag, so that the excessive layer of airtight bonding and vacuum bag are collectively formed one
Be completely covered the airtight bag of case material layer and layer of auxiliary material, and the airtight excessive layer outer surface of bonding of exposure can bonding plane；
5th step: vacuum suction is compacted the material in all vacuum bags after sealing；
6th step: vacuum leak detection inspection；
7th step: inspection carries out the perfusion of blade shell resin vacuum after passing through, while the perfusion of blade shell resin vacuum,
By prefabricated web be bonded in the excessive layer outer surface of the airtight bonding of exposure can be on bonding plane.
2. connection method according to claim 1, which is characterized in that in the 7th step, resin to be perfused is complete
The case material layer under the airtight excessive layer of bonding is infiltrated, that is, carries out the bonding work of subsequent prefabricated web and other component.
3. according to connection method described in claim 1, which is characterized in that in the second step, the airtight bonding is excessive
The blade construction material that layer is allowed by product design, the airtight excessive layer of bonding are a part of final products, the gas
The close excessive layer of bonding is sheeting or thin slice preformed material or film material.
4. connection method according to claim 1, which is characterized in that in the first step, to the case material
The laying of layer includes the laying to shell glass fabric, core material, precast construction part；In the third step, to auxiliary material
The laying of the bed of material includes to permeable medium, porous isolating membrane, and vacuum leads the laying of note pipe.
5. connection method according to claim 1, which is characterized in that in the second step, in the airtight bonding
Laying glass continuous felt between excessive layer and case material layer, the glass continuous felt play guide functions.
6. connection method according to claim 1, which is characterized in that in the second step, the airtight excessive layer of bonding
Shape and the position laying that is bonded after needing shell to solidify according to product design of laying position.
7. connection method according to claim 6, which is characterized in that in the second step, the airtight excessive layer of bonding
Laying is carried out at the position of prefabricated web and case bonding.
8. connection method according to claim 6, which is characterized in that in the 7th step, it is described can bonding plane apply
Bonded adhesives is applied, the prefabricated web is bonded on the airtight excessive layer of bonding by the bonded adhesives.
9. a kind of prefabricated web of wind electricity blade and the connection structure of blade shell, it is characterised in that: including case material layer, gas
The excessive layer of close bonding, prefabricated web, the airtight excessive layer of bonding are laid on the case material layer, described airtight to be bonded
Degree layer includes the excessive layer inner surface of airtight bonding and the airtight excessive layer outer surface of bonding, the airtight excessive layer inner surface of bonding with
The case material layer is fixed together through resin infusion, the excessive layer outer surface of the airtight bonding be can bonding plane, institute
Stating can the bonding plane bonding prefabricated web.
10. according to connection structure as claimed in claim 9, it is characterised in that: it is described can bonding plane apply bonded adhesives, the prefabricated abdomen
Plate is bonded on the airtight excessive layer of bonding by the bonded adhesives；The connection structure has further included that the glass of guide functions connects
Continuous felt, the glass continuous felt are laid between institute airtight bonding excessive layer and the case material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456932.1A CN109397722B (en) | 2018-11-30 | 2018-11-30 | Connection method and connection structure of prefabricated web plate and blade shell of wind power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456932.1A CN109397722B (en) | 2018-11-30 | 2018-11-30 | Connection method and connection structure of prefabricated web plate and blade shell of wind power blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109397722A true CN109397722A (en) | 2019-03-01 |
| CN109397722B CN109397722B (en) | 2024-02-09 |
Family
ID=65456633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811456932.1A Active CN109397722B (en) | 2018-11-30 | 2018-11-30 | Connection method and connection structure of prefabricated web plate and blade shell of wind power blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109397722B (en) |
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