CN105034209B - Repairing method of aerogenerator wind wheel blade male die - Google Patents

Repairing method of aerogenerator wind wheel blade male die Download PDF

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Publication number
CN105034209B
CN105034209B CN201510383103.5A CN201510383103A CN105034209B CN 105034209 B CN105034209 B CN 105034209B CN 201510383103 A CN201510383103 A CN 201510383103A CN 105034209 B CN105034209 B CN 105034209B
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China
Prior art keywords
formpiston
clamp
blade
male die
profile
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CN201510383103.5A
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CN105034209A (en
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王刚
徐俊
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Sinoma Science And Technology (funing) Wind Power Blade Co Ltd
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Sinoma Science And Technology (funing) Wind Power Blade Co Ltd
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Abstract

The invention discloses a repairing method of an aerogenerator wind wheel blade male die. The method comprises the following steps: 1, positioning the axial coordinate of a damage defect area on the wind wheel blade male die, and using a computer to obtain the planar pictures of cross sections with the spacing of 20-30cm of the damage defect area on the male die; 2, using the planar pictures to make a profile cardboard (1); 3, arranging the profile cardboard (1) on a blade male die (2) in a positioning manner, inspecting the dimension of the damage defect, and measuring and labeling; 4, fully filling a labeled area obtained in step 3 with a die putty, sanding and repairing, arranging the profile cardboard (1) on the blade male die (2), and inspecting to guarantee the consistency of a gap between the male die and the profile cardboard; 5, sanding by using sand paper to guarantee uniform transition; and 6, polishing. The whole method has the advantages of reasonable design, convenient operation, high working efficiency and low cost, the repaired male die profile precision is within +/-1mm, and the produced wind wheel blade has high precision and high quality.

Description

The method for repairing and mending of wind rotor blade of wind generator formpiston
Technical field
The present invention relates to a kind of method for repairing and mending of wind rotor blade of wind generator, and in particular to a kind of wind turbines rotor The method for repairing and mending of blade male die, belongs to wind power generation field.
Background technology
Wind rotor blade of wind generator relies on its special aerodynamic configuration schematic capture wind energy, and is translated into machinery Energy.Blade mold is the key equipment for ensureing blade aerodynamic profile, and blade mold is by master mold (also known as formpiston) type face Manufacture, therefore the accurate yardstick of formpiston profile determines the contour structures of final blade.Will after a set of formpiston manufacture success Can be used for making many set blade molds, during formpiston is used for multiple times, its surface can be damaged, and cause its type face to become Change, cause the wind wheel blade precision for producing and quality to reduce, in order to ensure formpiston precision, generally require and use numerical control machining center Re-worked, cause formpiston service efficiency low, the time of maintenance and maintenance cost are larger.
Therefore, it is necessary that a kind of technological design is designed on the basis of prior art rationally, it is easy to operate, can be with height Effect is quick, the method for repairing and mending for having keeped in repair the wind wheel blade formpiston that surface occurs to damage of low cost.
The content of the invention
Goal of the invention:The invention aims to solve the deficiencies in the prior art, there is provided a kind of reasonable in design, behaviour Facilitate, can be efficiently quick, the method for repairing and mending for having keeped in repair the wind wheel blade formpiston that surface occurs to damage of low cost, the present invention The wind wheel blade formpiston method for repairing and mending of offer, the formpiston type face precision after reparation can be controlled within ± 1mm, and precision is higher, Low cost, high working efficiency.
Technical scheme:In order to realize the purpose of the present invention, the technical scheme that the present invention takes is:
A kind of method for repairing and mending of wind rotor blade of wind generator formpiston, it is comprised the following steps:
A. the axial coordinate in damage defect region is accurately positioned on wind wheel blade formpiston, then sun is obtained using computer Planar graph of the damage defect region every 20cm~30cm sections on mould;
B. the planar graph design for being obtained using step a and making type face clamp (1).Type face clamp production method is as follows: The production method in type face clamp (1) is as follows:I planar graph that () is obtained using step a, by blade profile region part to extending out Big 5mm or so, other positions part is constant, obtains the overall size of profile clamp work surface;(ii) it is minimum according to profile clamp Width is the requirement of 150mm, designs clamp outline;(iii) Computerized Numerical Control processing technology machining profile clamp shape is utilized;(iv) exist On the profile clamp for processing, fixed reinforcement, to prevent profile clamp from occuring bending and deformation, is obtained type face clamp (1);
C. formpiston damage defect region is polished, after finishing, type face clamp (1) that step b is made is accurately fixed Position is simultaneously put on blade male die (2), then checks the size of damage defect, and is measured and labelling;
D. step c marked region is filled up using mould putty, and it is appropriate thicken, with ensure have enough polishing amounts, Surface is polished after putty solidification, and is put on blade male die (2) using type face clamp (1) and is repeatedly checked, and Checked with clearance gauge, it is ensured that the gap that polishing is finished between rear blade formpiston and type face clamp is consistent;
E. for type face clamp (1) region on formpiston (2), checked using one piece of straight clamp, and used sand Paper is polished, it is ensured that transition is uniform, and finally blade male die surface is processed by shot blasting.
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, described type face card Plate top is provided with reinforcement for angle bar.
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, using sharp in step b Light cutting, line wire cutting, plasma cutting Computerized Numerical Control processing technology machining profile clamp shape.
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, type obtained in step b Profile 5mm higher than formpiston overall size of face clamp (1) or so.
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, step d and then utilization Computer obtains planar graph of the damage defect region every 20cm sections on formpiston.The method for obtaining damage position is as follows:(i) Determine sectional position (lengthwise location) using the station location marker on formpiston, and control error in ± 5mm, and using such as lead The instruments such as pen setting-out mark on formpiston, for the positioning of formpiston clamp;(ii) using CAD software formpiston is intercepted in the position Sectional view;
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, ensures to beat in step d The gap that mill is finished between rear blade formpiston and type face clamp is consistent, and makes difference be less than 0.5mm.
Beneficial effect:Compared to the prior art the method for repairing and mending of the wind rotor blade of wind generator formpiston that the present invention is provided has Have the advantage that:
The method for repairing and mending of the wind rotor blade of wind generator formpiston that the present invention is provided, whole technological design is reasonable, operation side Just, high working efficiency, low cost, the formpiston type face precision after reparation can control the wind wheel leaf within ± 1mm, preparing Piece is accurate high, and quality is high, practical.
Description of the drawings
Fig. 1 is the structural representation in blade male die section of the present invention.
Fig. 2 is the structural representation of type face of the present invention clamp.
Fig. 3 is the structural representation that type face of the present invention card coordinates with blade male die.
Fig. 4 is that the present invention thickens the structural representation of repairing using mould putty at formpiston damage defect position.
Specific embodiment
With reference to specific embodiment, the present invention is further elucidated, it should be understood that these embodiments are merely to illustrate the present invention Rather than the scope of the present invention is limited, and after the present invention has been read, various equivalences of the those skilled in the art to the present invention The modification of form falls within the application claims limited range.
As shown in Figures 1 to 4, a kind of method for repairing and mending of wind rotor blade of wind generator formpiston, it is comprised the following steps:
A. the axial coordinate (reaching ± 5mm) in damage defect region is accurately positioned on wind wheel blade formpiston, is then utilized Computer obtains planar graph of the damage defect region every 20cm sections on formpiston;
B. the planar graph design for being obtained using step a and making type face clamp (1);
Type face clamp production method is as follows:The production method in type face clamp (1) is as follows:I plane that () is obtained using step a Figure, by blade profile region part 5mm or so is outwards expanded, and other positions part is constant, obtains profile clamp work surface Overall size;(ii) it is the requirement of 150mm according to profile clamp minimum widith, designs clamp outline;(iii) added using numerical control Work technology (such as cut, line wire cutting, plasma cutting) machining profile clamp shape;(iv) in the profile clamp for processing On, angle bar is fixed with as reinforcement, to prevent profile clamp from occuring bending and deformation, the profile in type face clamp (1) is obtained than sun High 5mm of mould overall size or so.
C. formpiston damage defect region is polished, after finishing, type face clamp (1) that step b is made is accurately fixed Position is simultaneously put on blade male die (2), then checks the size of damage defect (3), and is measured and labelling;
D. step c marked region is filled up using mould putty, and it is appropriate thicken, with ensure have enough polishing amounts, Surface is polished after putty solidification, and is put on blade male die (2) using type face clamp (1) and is repeatedly checked, and Checked with clearance gauge, it is ensured that the gap that polishing is finished between rear blade formpiston and type face clamp is consistent, and is less than difference 0.5mm;
E. for the region in type face clamp (1) on formpiston (2), checked using one piece of straight clamp, and used Sand paper is polished, it is ensured that transition is uniform, and finally blade male die surface is processed by shot blasting, can prepare blade sun Surface contour error can reach ± 1mm after die repair again, meet use requirement.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (6)

1. a kind of method for repairing and mending of wind rotor blade of wind generator formpiston, it is characterised in that it is comprised the following steps:
A. the axial coordinate in damage defect region is accurately positioned on wind wheel blade formpiston, is then obtained on formpiston using computer Planar graph of the damage defect region every 20cm~30cm sections;
B. the planar graph design for being obtained using step a and making type face clamp (1);The production method in type face clamp (1) is as follows: I planar graph that () is obtained using step a, by blade profile region part 5mm or so is outwards expanded, and other positions part is not Become, obtain the overall size of profile clamp work surface;(ii) it is the requirement of 150mm according to profile clamp minimum widith, designs card Plate outline;(iii) Computerized Numerical Control processing technology machining profile clamp shape is utilized;(iv) it is fixed on the profile clamp for processing Reinforcement, to prevent profile clamp from occuring bending and deformation, is obtained type face clamp (1);
C. formpiston damage defect region is polished, after finishing, type face clamp (1) that step b is made is accurately positioned simultaneously It is put on blade male die (2), then checks the size of damage defect, and measures and labelling;
D. step c marked region is filled up using mould putty, and it is appropriate thicken, with ensure have enough polishing amounts, treat greasy Surface is polished after son solidification, and is put on blade male die (2) using type face clamp (1) and is repeatedly checked, and with filling in Chi is checked, it is ensured that the gap that polishing is finished between rear blade formpiston and type face clamp is consistent;
E. for the region in type face clamp (1) on formpiston (2), checked using one piece of straight clamp, and used sand paper Polished, it is ensured that transition is uniform, and finally blade male die surface is processed by shot blasting.
2. the method for repairing and mending of wind rotor blade of wind generator formpiston according to claim 1, it is characterised in that described type The reinforcement that face clamp (1) top is provided with is angle bar.
3. the method for repairing and mending of wind rotor blade of wind generator formpiston according to claim 1, it is characterised in that step a is right Obtain planar graph of the damage defect region every 20cm sections on formpiston using computer afterwards.
4. the method for repairing and mending of wind rotor blade of wind generator formpiston according to claim 1, it is characterised in that in step b Using cut or plasma cutting Computerized Numerical Control processing technology machining profile clamp shape.
5. the method for repairing and mending of wind rotor blade of wind generator formpiston according to claim 1, it is characterised in that step b system Profile 5mm higher than formpiston overall size in type face clamp (1) for obtaining or so.
6. the method for repairing and mending of wind rotor blade of wind generator formpiston according to claim 1, it is characterised in that in step d Ensure that the gap that polishing is finished between rear blade formpiston and type face clamp is consistent, make difference be less than 0.5mm.
CN201510383103.5A 2015-07-02 2015-07-02 Repairing method of aerogenerator wind wheel blade male die Active CN105034209B (en)

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Publication number Priority date Publication date Assignee Title
CN106593761B (en) * 2016-12-19 2020-06-23 北京金风科创风电设备有限公司 Blade, wind power generator comprising blade, male die and method for manufacturing male die
CN111872687B (en) * 2020-06-11 2021-11-16 东莞长盈精密技术有限公司 Forging and pressing pretreatment method and electronic product shell forming method
CN113085062A (en) * 2021-03-18 2021-07-09 中复连众(包头)复合材料有限公司 Preparation method for bonding molded putty knife section at rear edge of wind power blade to form

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Publication number Priority date Publication date Assignee Title
CN101903162A (en) * 2007-12-21 2010-12-01 维斯塔斯风力系统集团公司 A method of repairing a fibre composite solid member
CN104354003A (en) * 2014-09-30 2015-02-18 巢湖广丰金属制品有限公司 Strip steel surface defect shaping equipment
CN104368602A (en) * 2014-09-30 2015-02-25 巢湖广丰金属制品有限公司 Automatic control method for shaping strip steel surface defects

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007030218A (en) * 2005-07-22 2007-02-08 Toyota Auto Body Co Ltd Press device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101903162A (en) * 2007-12-21 2010-12-01 维斯塔斯风力系统集团公司 A method of repairing a fibre composite solid member
CN104354003A (en) * 2014-09-30 2015-02-18 巢湖广丰金属制品有限公司 Strip steel surface defect shaping equipment
CN104368602A (en) * 2014-09-30 2015-02-25 巢湖广丰金属制品有限公司 Automatic control method for shaping strip steel surface defects

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