CN109441712A - A kind of control method of pre-buried type wind electricity blade blade root end face fold - Google Patents

A kind of control method of pre-buried type wind electricity blade blade root end face fold Download PDF

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Publication number
CN109441712A
CN109441712A CN201811269998.XA CN201811269998A CN109441712A CN 109441712 A CN109441712 A CN 109441712A CN 201811269998 A CN201811269998 A CN 201811269998A CN 109441712 A CN109441712 A CN 109441712A
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China
Prior art keywords
blade root
layer
cloth
blade
fold
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CN201811269998.XA
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CN109441712B (en
Inventor
郭志强
周万红
葛凯
蒋华
黄怀勇
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Zhuzhou Times New Material Technology Co Ltd
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Zhuzhou Times New Material Technology Co Ltd
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Publication of CN109441712A publication Critical patent/CN109441712A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06Rotors
    • F03D1/065Rotors characterised by their construction, i.e. structural design details
    • F03D1/0675Rotors characterised by their construction, i.e. structural design details of the blades
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The present invention provides a kind of control methods of pre-buried type wind electricity blade blade root end face fold, it is related to wind electricity blade manufacturing technology field, the control method of the pre-buried type wind electricity blade blade root end face fold includes the following steps: 01) blade root extension flange blank production, 02) blade root extension flange blank is trimmed, 1) blade root extension flange is placed, 2) blade root fastener inserts are handled, 3) blade root extension flange layer of cloth is trimmed, 4) blade root prefabricated component fold is done over again, and 5) blade root prefabricated component vacuum excipient;The present invention is new and effective, and it is convenient to operate, and has the function of effectively eliminating the layer of cloth fold that blade root both ends end is caused with type face with type reason by wedge-shaped bar.

Description

A kind of control method of pre-buried type wind electricity blade blade root end face fold
Technical field
The present invention relates to wind electricity blade manufacturing technology fields, more particularly to a kind of pre-buried type wind electricity blade blade root end face pleat The control method of wrinkle.
Background technique
As the policy of national energy conservation and emission reduction promotes, the environmentally protective energy is the following prior development direction, and wind energy has energy Consume advantage low, environmentally friendly, that reserves are big, it has also become the energy given priority to both at home and abroad.Wind turbines are to transform wind energy into electric energy Device, wherein core component one of of the blade as Wind turbines, in blade manufacturing process, blade forming process is as most Main molding procedure, the molding quality of blade root directly affect the service life of blade, therefore rise to leaf quality most important Effect.
During the fast development of blade industry, length of blade and leaf weight increase, the company of traditional blade root T nut Mode is connect, is not able to satisfy the bonding strength of blade root gradually.Therefore develop and promote pre-buried type blade, increase bolt density and guarantee The connection of blade is the development trend of current blade.Pre-buried type blade is easy due to the introducing of pre-buried rigid element in preburying part There are folds for the end of part.The problem is the pre-buried type blade of current state's intra vane quality problems the most intractable, seriously affects leaf The service life of piece.By being collected analysis to pre-buried type blade fold situation basic data, 95% fold, which is concentrated, to be occurred At blade root both ends in the range of 1-1.5m, the depth-width ratio average out to 0.15 of fold.
Difficult point is how to eliminate the layer of cloth fold of wedge-shaped bar end initiation at present.Existing arranges for blade root end face fold If the traditional blade root wedge-shaped bar end shield mode of alms giver, increase glass fibre shield using in blade root wedge-shaped bar terminal region To eliminate because wedge-shaped bar tilts the layer of cloth fold to be formed.Blade root fastener inserts are influenced easily to go out after the completion of placement by appearance cloth layer Existing end step and sinking, in the case of no vacuum pressure influences, wedge-shaped bar end may insure that layer of cloth lines is flat after shield Directly, but this method according to original punching type blade profile mode by extra layer of cloth entirety anti-package to flange land area, be easy to cause Fastener inserts are influenced by inner cavity layer of cloth and occur tilting and difference in height, while the fiberglass cloth of anti-package is by vacuum pressure direction It influences, it is tight and form layer of cloth fold to easily lead to inner cavity layer of cloth.
In order to eliminate the layer of cloth fold caused with type face with type reason by wedge-shaped bar, operating staff often spends 6,7 A hour progress blade root end face fold is done over again operation.This kind tradition blade root wedge-shaped bar end shield mode not only expends a large amount of people Power material resources, while base region being easy to cause to cause base region to be broken since fold layer of cloth exists, there are serious quality Risk.
Patent document " root of fan blade prefabricated component forming method and root prefabricated-member mould " (CN105415705B) is public A kind of root of fan blade prefabricated component forming method and root prefabricated-member mould, the root of fan blade prefabricated component molding side are opened Method includes the following steps: S01: fiberglass cloth, root prefabricated-member mould are laid in the forming surface of root prefabricated-member mould Forming surface be convex surface upward;S02: resin is immersed on being laid with the fiberglass cloth completed, and forms root prefabricated component. The forming surface for the root prefabricated-member mould that the root of fan blade prefabricated component forming method uses avoids glass for convex surface upward Glass scrim cloth fold, has better molding effect, which is the laying side by changing glass-fiber-fabric on mold Formula prevents the generation of fold, but can not effectively eliminate blade root both ends end because wedge-shaped bar and type face are caused with type reason Layer of cloth fold.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention proposes a kind of control of pre-buried type wind electricity blade blade root end face fold Method processed, to solve the problems, such as layer of cloth fold that blade root both ends end is caused by wedge-shaped bar and type face with type reason.
In order to achieve the above objectives, the present invention provides a kind of control method of pre-buried type wind electricity blade blade root end face fold, The following steps are included:
1) it is laid with outer surface layer of cloth in the blade root forming surface of blade root flange, is placed to blade root flange to blade root fastener inserts Afterwards, blade root extension flange is placed in blade root flange leading edge and trailing region, adjusts appearance cloth layer, appearance cloth layer is made to be close to leaf Root extension flange, and appearance cloth layer is trimmed, the blade root extension flange includes the fixed section being bonded with blade root flange and and leaf The consistent extended segment of tangential direction of root forming surface endpoint;
2) blade root fastener inserts angle is adjusted, keeps blade root fastener inserts and fiberglass cloth sturdy;
3) inner surface layer of cloth is laid in blade root fastener inserts and blade root extension flange, it will be before blade root flange in process of deployment Edge and the inner surface layer of cloth of trailing region successively smooth out sturdy blade root fastener inserts and blade root extension flange, and inner surface layer of cloth It is trimmed;
4) using vacuum pressure by after the compacting of appearance cloth layer, blade root fastener inserts and inner surface layer of cloth, trimming is outer again Surface layer of cloth and inner surface layer of cloth, and the anti-fold foam strip of blade root, the anti-fold bubble of blade root are placed in blade root fastener inserts Foam item is corresponding with fragment position is extended;
5) device of step 4) is vacuum-treated, completes blade root excipient.
It further, further include step 0) before the step 1), the step 0) includes the following steps:
01) blade root extension flange blank: the securing elongated baffle in blade root forming surface is made, according to blade root flange and extension The type face of baffle is successively laid with layer of cloth, after the completion of layer of cloth using envelope priming by vacuum epoxy resin technology by blade root extension flange at Type, after solidifying after epoxy resin cure blade root extension flange blank;
02) blade root extension flange blank is trimmed: the blade root extension flange blank that step 01) is obtained carries out repairing type, repairing type Blade root extension flange is integrally wrapped up using film after the completion, completes the production of blade root extension flange.
Further, the layer of cloth described in step 01) includes ten layer of three axial glass fabric, 0 ° of direction of the layer of cloth Towards blade tip direction.
Further, the length of the blade root extension flange is 1800mm, and the height of the extended segment is 150mm, described The width of fixed section is not less than 250mm.
Further, the length and width of the anti-fold foam strip of the blade root with the wedge-shaped bar one of blade root fastener inserts It causes.
Further, blade root extension flange is placed on the region 0-1.8m of blade root flange leading edge and rear in step 1).
Further, use cloth base adhesive tape along tangential by appearance cloth layer during the trimming appearance cloth layer of step 2) Processing is fixed in edge.
Further, the blade root fastener inserts end described in step 2) is equipped with glass-fiber-fabric shield layer.
Further, during step 4) is using vacuum pressure, vacuum pressure is in -950mbar hereinafter, the retention time For 10-15min.
Further, in the vacuum process of step 5), in blade root when vacuum pressure reaches -500mbar or less Fastener inserts terminal region is smoothed with hand, and smoothing direction is blade root forming surface to parting line direction, reach to vacuum pressure- Stop smoothing when 950mbar or less.
The present invention compared with the existing technology, the advantage is that:
The present invention passes through the use of blade root extension flange, will appear in away from blade root end face 1-1.8m range, blade root outer surface Fold close to molding seam position is extended to blade root flange periphery, and then reaches the straight of control blade root appearance cloth layer, is eliminated The fold of blade root outer surface generates;The present invention has also been used cooperatively blade root anti-fold foam on the basis of blade root extension flange Item, enables the cloth stratotype face of the sturdy appearance cloth layer of blade root fastener inserts and inner surface layer of cloth, reduces fastener inserts Displacement space, so that end face fold is effectively controlled;The present invention is in blade root extension flange and the anti-fold bubble of blade root simultaneously Foam item eliminates anti-package layer of cloth on the basis of being used cooperatively, can allow layer of cloth vacuum pressure effect under straight uniform-compression, drop It is low because layer of cloth it is tight caused by layer of cloth fold, so that it is guaranteed that straight layer of cloth lines can be obtained, and the present invention effectively reduces Reworked processing number, it is time saving and energy saving, it is efficiently convenient.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical solution of the present invention Be briefly described, it should be apparent that, be described below in attached drawing for the present invention be only some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.
Fig. 1 is schematic structural view of the invention.
1 blade root flange in the figure, 2 blade root extension flanges, 21 extended segments, 22 fixed sections, the anti-fold foam strip of 3 blade roots, 4 Blade root fastener inserts, 5 blade root forming surfaces, 6 appearance cloth layers, 7 inner surface layer of cloths.
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 detailed retouch It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention In embodiment, those of ordinary skill in the art's every other implementation obtained without making creative work Example, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of control methods of pre-buried type wind electricity blade blade root end face fold, including with Lower step:
1) it is laid with outer surface layer of cloth 6 in the blade root forming surface 5 of blade root flange 1, is placed to blade root to blade root fastener inserts 4 After flange 1, blade root extension flange 2 is placed in 1 leading edge of blade root flange and trailing region, appearance cloth layer 6 is adjusted, makes outer surface cloth Layer 6 is close to blade root extension flange 2, and trims appearance cloth layer 6, and the blade root extension flange 2 includes being bonded with blade root flange 1 Fixed section 22 and the consistent extended segment 21 of tangential direction with 5 endpoint of blade root forming surface;
2) 4 angle of blade root fastener inserts is adjusted, keeps blade root fastener inserts 4 and fiberglass cloth sturdy;
3) by blade root method in blade root fastener inserts 4 and laying inner surface layer of cloth 7 on blade root extension flange 2, process of deployment The inner surface layer of cloth 7 of blue 1 leading edge and trailing region successively smoothes out sturdy blade root fastener inserts 4 and blade root extension flange 2, and internally Surface layer of cloth 7 is trimmed;
4) it after being compacted appearance cloth layer 6, blade root fastener inserts 4 and inner surface layer of cloth 7 using vacuum pressure, trims again Appearance cloth layer 6 and inner surface layer of cloth 7, and the anti-fold foam strip 3 of blade root is placed in blade root fastener inserts 4, the blade root is anti- Convoluted foam item 3 is corresponding with 21 position of extended segment;
5) device of step 4) is vacuum-treated, completes blade root excipient.
It further include step 0) before the step 1), the step 0) includes the following steps:
01) blade root extension flange blank: the securing elongated baffle in blade root forming surface 5 is made, according to blade root flange 1 and is prolonged The type face for stretching baffle is successively laid with layer of cloth, uses envelope priming by vacuum epoxy resin technology by blade root extension flange 2 after the completion of layer of cloth It forms, obtains 2 blank of blade root extension flange after solidifying after epoxy resin cure;
02) blade root extension flange blank is trimmed: 2 blank of blade root extension flange that step 01) is obtained carries out repairing type, repairing type The whole package of blade root extension flange 2 is completed blade root extension flange 2 and made using film after the completion.
The layer of cloth described in step 01) includes ten layer of three axial glass fabric, and 0 ° of direction of the layer of cloth is towards blade tip Direction.
The length of the blade root extension flange 2 is 1800mm, and the height of the extended segment 21 is 150mm, the fixed section 22 width is not less than 250mm.
The length and width of the anti-fold foam strip 3 of blade root is consistent with the wedge-shaped bar of blade root fastener inserts 4.
Blade root extension flange 2 is placed on the region 0-1.8m of 1 leading edge of blade root flange and rear in step 1).
Step 2) trimming appearance cloth layer 6 during using cloth base adhesive tape along it is tangential by 6 edge of appearance cloth layer into Row fixing process.
4 end of blade root fastener inserts described in step 2) is equipped with glass-fiber-fabric shield layer.
During step 4) is using vacuum pressure, vacuum pressure is in -950mbar hereinafter, the retention time is 10- 15min。
In the vacuum process of step 5), in blade root fastener inserts 4 when vacuum pressure reaches -500mbar or less Terminal region smooths layer of cloth with hand, and smoothing direction is blade root forming surface to parting line direction, reaches -950mbar to vacuum pressure Stop smoothing when following.
The present invention specific implementation the following steps are included:
01) blade root extension flange blank makes:
Blade root extension flange 2 is made in mold sky mould state, production region is PS (pressure side-pressure side) Face and the face region lead and trail edges blade root 0-2m SS (suction side-suction side), the production method is as follows: it is formed in blade root After fixing the extension baffle of one piece of about 200mm high in face 5, ten layers are successively laid with according to blade root flange 1 and the type face for extending baffle Three axial glass fabrics, towards blade tip direction, layer of cloth uses envelope priming by vacuum asphalt mixtures modified by epoxy resin after the completion of being laid in 0 ° of direction of layer of cloth Rouge technique forms blade root extension flange 2, can be obtained 2 blank of blade root extension flange after epoxy resin cure.
02) blade root extension flange blank is trimmed:
After 2 blank of blade root extension flange completes, cutting repairing type is carried out, 21 protrusion height of extended segment is 150mm, Gu 22 width of section is determined not less than 250mm, and 2 length of blade root extension flange is that 1800mm, the wherein direction of extended segment 21 and blade root are formed The tangential direction of 5 endpoint of face is consistent, the endpoint tangential direction one in the direction of extended segment 21 and blade root forming surface 5 in the present embodiment It causes, angle is 90 ° between extended segment 21 and blade root flange 1;The cutting of 2 blank flash of blade root extension flange uses poly- after completing Tetrafluoroethene film is by the whole package of blade root extension flange 2, for blade root extension flange 2 and epoxy resin to be isolated, convenient for subsequent Removing is demoulded when use.
1) blade root extension flange is placed:
It is laid with outer surface layer of cloth 6 in the blade root forming surface 5 of blade root flange 1, is placed to blade root method to blade root fastener inserts 4 After orchid 1, layer layer of cloth that successively decrease of appearance cloth layer 6 is turned in blade root forming surface 5 and respectively at 1 both ends of blade root flange by proximal end face Blade root extension flange 2 is placed in the region 0-1.8m, and blade root extension flange 2 abuts the boss corner region of blade root flange 1, there can be no Position deviation and gap carry out position limit to blade root extension flange 2 using positioning glass bloom, avoid in subsequent job process Middle appearance is shifted and is collapsed;Blade root extension flange 2 draws layer layer of cloth that successively decrease of appearance cloth layer 6 with covering layer of cloth after the completion of placing Direct join is adjacent to blade root extension flange 2, will exceed the trimming removal of 2 fringe region layer of cloth of blade root extension flange using scissors, while every Processing is fixed in layer of cloth edge along tangential using cloth base adhesive tape every 200mm.
2) blade root fastener inserts are handled:
After 6 layer of cloth of appearance cloth layer of blade root extension flange 2 is disposed, the leaf of 1 liang of end regions of blade root flange will be close to Root fastener inserts 4 carry out angle adjustment, so that 4 end of blade root fastener inserts keeps sturdy with fiberglass cloth, do not stick up It rises and sinks, 4 end of blade root fastener inserts refers to 4 both ends end face of blade root fastener inserts;If 4 end of blade root fastener inserts occurs Step and form difference in height, then increase biaxially glass-fiber-fabric shield layer in the wedge-shaped bar end of blade root fastener inserts 4, for slowing down The layer of cloth deformation due to caused by difference in height of wedge-shaped bar end.
3) blade root extension flange layer of cloth is trimmed:
Blade root extension flange 2 and blade root fastener inserts 4 be laid with after the completion of placing inner surface layer of cloth 7 successively decrease layer layer of cloth with it is interior It is pre-buried by the region the 0-2m layer of cloth of proximal end face successively to be smoothed out sturdy blade root in process of deployment by covering layer of cloth for 1 both ends of blade root flange The extended segment 21 of component 4 and blade root extension flange 2;Inner surface layer of cloth 7 is surpassed using scissors in 21 layer of cloth process of deployment of extended segment The layer of cloth at 2 edge of blade root extension flange trims removal out, while cutting off layer of cloth according to 2 shape of blade root extension flange, avoids cloth Layer occurs tightening and glide.
4) blade root prefabricated component fold is done over again:
Around mold one layer of vacuum bag film sealed around and vacuumize process, act on by vacuum pressure by outer surface cloth Layer 6, blade root fastener inserts 4 and inner surface layer of cloth 7 are compacted.Vacuum keeps the original posture in blade root section during taking out pressure, it is desirable that true Pneumatics power is evacuated to -950mbar or less and keeps 10-15min, at the same observe blade root fastener inserts 4 wedge-shaped strip area layer of cloth whether There are deformation;1 both ends of blade root flange are raised after pumpdown time is enough by the vacuum bag film in the region 0-2m of proximal end face, raise process Middle holding bag film completely vacuumizes rear form with layer of cloth;
It is cut off using the layer of cloth level that scissors or cutter will exceed blade root extension flange 2 and clears up removal residual layer of cloth Silk, it is again that 1 both ends of blade root flange are tangential by the region 0-2m of proximal end face after being clamped the above-mentioned region 2m layer of cloth using clamping cloth tooling Layer layer of cloth that successively decrease of the inner surface layer of cloth 7 of about 800mm width is raised with inside panel layer of cloth to 4 inner cavity of blade root fastener inserts;
Successively decrease layer layer of cloth and the exterior skin layer of cloth of real appearance cloth layer 6 are successively smeared to blade root extension flange 2 is adjacent to, herein mistake Can be suitably used in journey glue spraying carry out layer of cloth fix, while check blade root fastener inserts 4 wedge-shaped bar end whether with glass fibers It is sturdy to tie up layer of cloth, difference in height then needs to increase glass-fiber-fabric shield layer on the basis of step 4) if it exists, and glass-fiber-fabric shield layer must Flush edge must be kept without flash, avoid generating layer of cloth end formation fold;
It is pre-buried in the blade root close to blade root extension flange 2 after blade root fastener inserts 4 and the processing of appearance cloth layer 6 are completed The anti-fold foam strip 3 of blade root is placed above the wedge-shaped bar of component 4, the anti-fold foam strip 3 of blade root is close at blade root extension flange 2 Appearance cloth layer 6 tilts and is sunk there can be no blade tip section, and entire anti-fold 3 width of foam strip of blade root and length direction are kept It is consistent with wedge-shaped bar;
Successively decrease layer layer of cloth and the inside panel cloth of sturdy inner surface layer of cloth 7 are successively smoothed out after the completion of the anti-fold foam strip 3 of blade root Layer, layer of cloth can be properly used glue spraying and processing be fixed during smoothing out, along blade tip to blade root direction during layer of cloth floating Level smoothes out, and there can be no hanging and scattered yarns for layer of cloth.
5) blade root prefabricated component vacuum excipient:
Inner surface layer of cloth 7 unclamps the position 2m clamping tooling in step 4) after all smoothing out, by appearance cloth layer 6 and outer surface Layer of cloth 7 after whole compacting one time, restores the runner and vacuum systems of mold, keeps blade root flange leading edge with after in recuperation again The original form of edge region layer of cloth, the blade root flange leading edge and trailing region are that the region proximal end face 0-2m is leaned at 1 both ends of blade root flange; The vacuum bag film of mold is adjusted without vacuum pump pumping is opened after tight and fold, reaches -500mbar or less the time-division to vacuum pressure Layer of cloth is not smoothed with hand in 4 terminal region of blade root fastener inserts, smoothing direction is blade root forming surface 5 to parting line direction, described 4 terminal region of blade root fastener inserts includes 4 both ends of blade root fastener inserts by the region proximal end face 0-2m and 4 liang of blade root fastener inserts Hold end region;Layer of cloth is no longer smoothed when vacuum pressure reaches -950mbar or less, it is original after keeping layer of cloth to stop pumping Form, vacuum suction direction are to be evacuated from centre to 1 both ends of blade root flange;Before checking blade root by light after vacuum is up to standard The flatness of edge and trailing region inner surface layer of cloth 7, it is desirable that 7 layer of cloth fold depth-width ratio≤0.03 of inner surface layer of cloth.
Layer layer of cloth that successively decrease of appearance cloth layer 6 and appearance cloth layer 7 of the present invention includes glass fabric.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent defines.

Claims (10)

1. a kind of control method of pre-buried type wind electricity blade blade root end face fold, which comprises the following steps:
1) outer surface layer of cloth (6) are laid in the blade root forming surface (5) of blade root flange (1), are placed to blade root fastener inserts (4) After blade root flange (1), blade root extension flange (2) are placed in blade root flange (1) leading edge and trailing region, adjust appearance cloth layer (6), so that appearance cloth layer (6) is close to blade root extension flange (2), and trim appearance cloth layer (6), the blade root extension flange It (2) include the fixed section (22) being bonded with blade root flange (1) and the consistent extension of tangential direction with blade root forming surface (5) endpoint Section (21);
2) blade root fastener inserts (4) angle is adjusted, keeps blade root fastener inserts (4) and fiberglass cloth sturdy;
3) inner surface layer of cloth (7) are laid on blade root fastener inserts (4) and blade root extension flange (2), by blade root in process of deployment The inner surface layer of cloth (7) of flange (1) leading edge and trailing region successively smoothes out sturdy blade root fastener inserts (4) and blade root extension flange (2), and inner surface layer of cloth (7) is trimmed;
4) it is repaired again using vacuum pressure by after appearance cloth layer (6), blade root fastener inserts (4) and inner surface layer of cloth (7) compacting Appearance cloth layer (6) and inner surface layer of cloth (7) are cut, and place the anti-fold foam strip of blade root (3) on blade root fastener inserts (4), The anti-fold foam strip of blade root (3) is corresponding with extended segment (21) position;
5) device of step 4) is vacuum-treated, completes blade root excipient.
2. the control method of pre-buried type wind electricity blade blade root end face as described in claim 1 fold, which is characterized in that described It further include step 0) before step 1), the step 0) includes the following steps:
01) make blade root extension flange blank: the securing elongated baffle in blade root forming surface (5) according to blade root flange (1) and prolongs The type face for stretching baffle is successively laid with layer of cloth, uses envelope priming by vacuum epoxy resin technology by blade root extension flange after the completion of layer of cloth (2) it forms, obtains blade root extension flange (2) blank after solidifying after epoxy resin cure;
02) blade root extension flange blank is trimmed: blade root extension flange (2) blank that step 01) is obtained carries out repairing type, and repairing type is complete Blade root extension flange (2) is integrally wrapped up using film at rear, completes blade root extension flange (2) production.
3. the control method of pre-buried type wind electricity blade blade root end face as claimed in claim 2 fold, which is characterized in that in step 01) layer of cloth described in includes ten layer of three axial glass fabric, and 0 ° of direction of the layer of cloth is towards blade tip direction.
4. the control method of pre-buried type wind electricity blade blade root end face as claimed in claim 2 or claim 3 fold, which is characterized in that institute The length for stating blade root extension flange (2) is 1800mm, and the height of the extended segment (21) is 150mm, the fixed section (22) Width is not less than 250mm.
5. the control method of pre-buried type wind electricity blade blade root end face fold as claimed in claim 1,2 or 3, which is characterized in that The length and width of the anti-fold foam strip of blade root (3) is consistent with the wedge-shaped bar of blade root fastener inserts (4).
6. the control method of pre-buried type wind electricity blade blade root end face fold as claimed in claim 1,2 or 3, which is characterized in that Blade root extension flange (2) is placed on the region 0-1.8m of blade root flange (1) leading edge and rear in step 1).
7. the control method of pre-buried type wind electricity blade blade root end face fold as claimed in claim 1,2 or 3, which is characterized in that Appearance cloth layer (6) edge is consolidated along tangential using cloth base adhesive tape during the trimming appearance cloth layer (6) of step 2) Fixed processing.
8. the control method of pre-buried type wind electricity blade blade root end face fold as claimed in claim 1,2 or 3, which is characterized in that Blade root fastener inserts (4) end described in step 2) is equipped with glass-fiber-fabric shield layer.
9. the control method of pre-buried type wind electricity blade blade root end face fold as claimed in claim 1,2 or 3, which is characterized in that During step 4) is using vacuum pressure, vacuum pressure is in -950mbar hereinafter, the retention time is 10-15min.
10. the control method of pre-buried type wind electricity blade blade root end face fold as claimed in claim 1,2 or 3, which is characterized in that In the vacuum process of step 5), in blade root fastener inserts (4) end region when vacuum pressure reaches -500mbar or less Domain smooths layer of cloth with hand, and smoothing direction is blade root forming surface (5) to parting line direction, reaches -950mbar or less to vacuum pressure When stop smooth.
CN201811269998.XA 2018-10-29 2018-10-29 Control method for wrinkles of end faces of blade roots of pre-buried wind power blades Active CN109441712B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101486258A (en) * 2009-02-27 2009-07-22 连云港中复连众复合材料集团有限公司 Method for manufacturing megawatt wind power generator blade root
DE102008022548A1 (en) * 2008-05-07 2009-11-12 Nordex Energy Gmbh Rotor blade for a wind energy plant
WO2010037762A1 (en) * 2008-09-30 2010-04-08 Vestas Wind Systems A/S A method of making a wind turbine blade
WO2012140039A2 (en) * 2011-04-11 2012-10-18 Lm Wind Power A/S Wind turbine blade comprising circumferential retaining means in root regions
CN102990937A (en) * 2011-09-07 2013-03-27 德国恩德能源有限公司 Method for producing a wind turbine rotor blade part with a prefabricated main spar cap
CN103419380A (en) * 2013-09-04 2013-12-04 重庆通用工业(集团)有限责任公司 Megawatt large scale wind blade root prefabricating and forming process
CN104110352A (en) * 2014-06-19 2014-10-22 连云港中复连众复合材料集团有限公司 Method for manufacturing root portion of fan blade with square embedded bolt sleeve
CN105109057A (en) * 2015-07-28 2015-12-02 中材科技(阜宁)风电叶片有限公司 Blade manufacturing method for improving flatness of roots of blades
US20170002660A1 (en) * 2015-07-01 2017-01-05 General Electric Company Ring insert for a wind turbine rotor blade
CN108290363A (en) * 2015-09-15 2018-07-17 维斯塔斯风力系统有限公司 Wind turbine blade manufacturing method or equipment

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008022548A1 (en) * 2008-05-07 2009-11-12 Nordex Energy Gmbh Rotor blade for a wind energy plant
WO2010037762A1 (en) * 2008-09-30 2010-04-08 Vestas Wind Systems A/S A method of making a wind turbine blade
CN101486258A (en) * 2009-02-27 2009-07-22 连云港中复连众复合材料集团有限公司 Method for manufacturing megawatt wind power generator blade root
WO2012140039A2 (en) * 2011-04-11 2012-10-18 Lm Wind Power A/S Wind turbine blade comprising circumferential retaining means in root regions
CN102990937A (en) * 2011-09-07 2013-03-27 德国恩德能源有限公司 Method for producing a wind turbine rotor blade part with a prefabricated main spar cap
CN103419380A (en) * 2013-09-04 2013-12-04 重庆通用工业(集团)有限责任公司 Megawatt large scale wind blade root prefabricating and forming process
CN104110352A (en) * 2014-06-19 2014-10-22 连云港中复连众复合材料集团有限公司 Method for manufacturing root portion of fan blade with square embedded bolt sleeve
US20170002660A1 (en) * 2015-07-01 2017-01-05 General Electric Company Ring insert for a wind turbine rotor blade
CN105109057A (en) * 2015-07-28 2015-12-02 中材科技(阜宁)风电叶片有限公司 Blade manufacturing method for improving flatness of roots of blades
CN108290363A (en) * 2015-09-15 2018-07-17 维斯塔斯风力系统有限公司 Wind turbine blade manufacturing method or equipment

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