CN105034209A - Repairing method of aerogenerator wind wheel blade male die - Google Patents
Repairing method of aerogenerator wind wheel blade male die Download PDFInfo
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- CN105034209A CN105034209A CN201510383103.5A CN201510383103A CN105034209A CN 105034209 A CN105034209 A CN 105034209A CN 201510383103 A CN201510383103 A CN 201510383103A CN 105034209 A CN105034209 A CN 105034209A
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- formpiston
- profile
- male die
- profile clamp
- blade
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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
Technical field
The present invention relates to a kind of method for repairing and mending of wind rotor blade of wind generator, be specifically related to a kind of method for repairing and mending of wind rotor blade of wind generator formpiston, belong to wind power generation field.
Background technology
The aerodynamic configuration schematic capture wind energy that wind rotor blade of wind generator relies on it special, and be translated into mechanical energy.Blade mold is the key equipment ensureing blade aerodynamic profile, and blade mold is all created by master mold (also known as formpiston) profile, and therefore the accurate yardstick of formpiston profile determines the contour structures of final blade.Will be used for making overlapping blade mold after a set of formpiston manufacture success more, in formpiston repeatedly use procedure, its surface can be damaged, its profile is caused to change, causing the wind wheel blade precision of production and quality to reduce, in order to ensure formpiston precision, generally needing to use numerical control machining center again to process, cause formpiston service efficiency on the low side, time and the maintenance cost of maintenance are larger.
Therefore, necessary on the basis of prior art, design a kind of technological design reasonable, easy to operate, can be efficiently quick, and the method for repairing and mending of the wind wheel blade formpiston damaged occurs on the good surface of maintenance of low cost.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, a kind of reasonable in design is provided, easy to operate, can be efficiently quick, there is the method for repairing and mending of the wind wheel blade formpiston of damage in the good surface of maintenance of low cost, wind wheel blade formpiston method for repairing and mending provided by the invention, can overcome prior art needs numerical control machining center to carry out the fresh processed many deficiencies of weight, and the formpiston profile precision after reparation can control within ± 1mm, and precision is higher, cost is low, and operating efficiency is high.
Technical scheme: in order to realize object of the present invention, the technical scheme that the present invention takes is:
A method for repairing and mending for wind rotor blade of wind generator formpiston, it comprises the following steps:
A. the axial coordinate of accurate orientated damage defect area on wind wheel blade formpiston, then utilizes computer to obtain on formpiston damage defect region every the planar graph in 20cm ~ 30cm cross section;
B. planar graph designing and making profile clamp (1) utilizing step a to obtain.Profile clamp production method is as follows: the production method of profile clamp (1) is as follows: the planar graph that (i) utilizes step a to obtain, blade profile area part is outwards expanded about 5mm, other position part is constant, obtains the overall size of profile clamp working face; (ii) be the requirement of 150mm according to profile clamp minimum widith, design clamp outline; (iii) Computerized Numerical Control processing technology machining profile clamp shape is utilized; (iv) on the profile clamp processed, fixing reinforcement, to prevent profile clamp from occuring bending and deformation, obtained profile clamp (1);
C. is polished in formpiston damage defect region, after, the profile clamp (1) made by step b is accurately located and is put on blade male die (2), then checks the size of damage defect, and carries out measuring and marking;
D. mould putty is used to be filled up by step c marked region, and suitable thickening, to ensure enough polishing amounts, after putty solidification, effects on surface is polished, and use profile clamp (1) to be put on blade male die (2) repeatedly to check, and use clearance gauge inspection, ensure that the gap after polishing between blade male die and profile clamp is consistent;
E. for profile clamp (1) region on formpiston (2), use one piece of straight clamp to check, and use sand paper to polish, ensure that transition is even, finally polishing is carried out to blade male die surface.
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, being provided with reinforcement above described profile clamp is angle bar.
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, utilizes laser cutting, line Linear cut, plasma cut Computerized Numerical Control processing technology machining profile clamp shape in step b.
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, the profile of the profile clamp (1) that step b is obtained is than formpiston overall size height about 5mm.
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, then steps d utilizes computer to obtain on formpiston damage defect region every the planar graph in 20cm cross section.The method obtaining damage position is as follows: (i) utilizes the station location marker on formpiston to determine sectional position (lengthwise location), and departure is in ± 5mm, and use as the instruments such as pencil setting-out mark on formpiston, for the location of formpiston clamp; (ii) sectional view of CAD software intercepts formpiston in this position is utilized;
Preferably, the method for repairing and mending of above-described wind rotor blade of wind generator formpiston, ensures in steps d that the gap after polishing between blade male die and profile clamp is consistent, makes difference be less than 0.5mm.
Beneficial effect: compared to the prior art the method for repairing and mending of wind rotor blade of wind generator formpiston provided by the invention has the following advantages:
The method for repairing and mending of wind rotor blade of wind generator formpiston provided by the invention, whole technological design is reasonable, easy to operate, operating efficiency is high, and cost is low, and the formpiston profile precision after reparation can control within ± 1mm, the wind wheel blade precision prepared is high, and quality is high.Repair method provided by the invention, does not need to use numerical control machining center again to process, thus can save the expense of 10 times, practical.
Accompanying drawing explanation
Fig. 1 is the structural representation in blade male die cross section of the present invention.
Fig. 2 is the structural representation of profile clamp of the present invention.
Fig. 3 is the structural representation that profile card of the present invention coordinates with blade male die.
Fig. 4 is that the present invention uses mould putty to thicken the structural representation of repairing at formpiston damage defect position.
Detailed description of the invention
Below in conjunction with specific embodiment, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's 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 comprises the following steps:
A. the axial coordinate (reaching ± 5mm) of accurate orientated damage defect area on wind wheel blade formpiston, then utilizes computer to obtain on formpiston damage defect region every the planar graph in 20cm cross section;
B. planar graph designing and making profile clamp (1) utilizing step a to obtain;
Profile clamp production method is as follows: the production method of profile clamp (1) is as follows: the planar graph that (i) utilizes step a to obtain, blade profile area part is outwards expanded about 5mm, other position part is constant, obtains the overall size of profile clamp working face; (ii) be the requirement of 150mm according to profile clamp minimum widith, design clamp outline; (iii) Computerized Numerical Control processing technology (as laser cutting, line Linear cut, plasma cut) machining profile clamp shape is utilized; (iv) on the profile clamp processed, be fixed with angle bar as reinforcement, to prevent profile clamp from occuring bending and deformation, the profile of obtained profile clamp (1) is than formpiston overall size height about 5mm.
C. is polished in formpiston damage defect region, after, the profile clamp (1) made by step b is accurately located and is put on blade male die (2), then checks the size of damage defect (3), and carries out measuring and marking;
D. mould putty is used to be filled up by step c marked region, and suitable thickening, to ensure enough polishing amounts, after putty solidification, effects on surface is polished, and use profile clamp (1) to be put on blade male die (2) repeatedly to check, and use clearance gauge inspection, ensure that the gap after polishing between blade male die and profile clamp is consistent, make difference be less than 0.5mm;
E. for the region of the profile clamp (1) on formpiston (2), one piece of straight clamp is used to check, and use sand paper to polish, guarantee transition is even, finally polishing is carried out to blade male die surface, after can preparing blade male die reparation, surface contour error can reach ± 1mm, meets instructions for use.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a method for repairing and mending for wind rotor blade of wind generator formpiston, is characterized in that, it comprises the following steps:
A. the axial coordinate of accurate orientated damage defect area on wind wheel blade formpiston, then utilizes computer to obtain on formpiston damage defect region every the planar graph in 20cm ~ 30cm cross section;
B. planar graph designing and making profile clamp (1) utilizing step a to obtain; The production method of profile clamp (1) is as follows: the planar graph that (i) utilizes step a to obtain, and blade profile area part is outwards expanded about 5mm, and other position part is constant, obtains the overall size of profile clamp working face; (ii) be the requirement of 150mm according to profile clamp minimum widith, design clamp outline; (iii) Computerized Numerical Control processing technology machining profile clamp shape is utilized; (iv) on the profile clamp processed, fixing reinforcement, to prevent profile clamp from occuring bending and deformation, obtained profile clamp (1);
C. is polished in formpiston damage defect region, after, the profile clamp (1) made by step b is accurately located and is put on blade male die (2), then checks the size of damage defect, and carries out measuring and marking;
D. mould putty is used to be filled up by step c marked region, and suitable thickening, to ensure enough polishing amounts, after putty solidification, effects on surface is polished, and use profile clamp (1) to be put on blade male die (2) repeatedly to check, and use clearance gauge inspection, ensure that the gap after polishing between blade male die and profile clamp is consistent;
E. for the region of the profile clamp (1) on formpiston (2), use one piece of straight clamp to check, and use sand paper to polish, ensure that transition is even, finally polishing is carried out to blade male die surface.
2. the method for repairing and mending of wind rotor blade of wind generator formpiston according to claim 1, is characterized in that, the reinforcement that described profile 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, is characterized in that, then step a utilizes computer to obtain on formpiston damage defect region every the planar graph in 20cm cross section.
4. the method for repairing and mending of wind rotor blade of wind generator formpiston according to claim 1, is characterized in that, utilizes laser cutting, line Linear cut, plasma cut Computerized Numerical Control processing technology machining profile clamp shape in step b.
5. the method for repairing and mending of wind rotor blade of wind generator formpiston according to claim 1, is characterized in that, the profile of the profile clamp (1) that step b is obtained is than formpiston overall size height about 5mm.
6. the method for repairing and mending of wind rotor blade of wind generator formpiston according to claim 1, is characterized in that, ensures that the gap after polishing between blade male die and profile clamp is consistent, make difference be less than 0.5mm in steps d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383103.5A CN105034209B (en) | 2015-07-02 | 2015-07-02 | Repairing method of aerogenerator wind wheel blade male die |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510383103.5A CN105034209B (en) | 2015-07-02 | 2015-07-02 | Repairing method of aerogenerator wind wheel blade male die |
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| CN105034209A true CN105034209A (en) | 2015-11-11 |
| CN105034209B CN105034209B (en) | 2017-04-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593761A (en) * | 2016-12-19 | 2017-04-26 | 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 |
| CN111872687A (en) * | 2020-06-11 | 2020-11-03 | 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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| JP2007030218A (en) * | 2005-07-22 | 2007-02-08 | Toyota Auto Body Co Ltd | Press device |
| 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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2015
- 2015-07-02 CN CN201510383103.5A patent/CN105034209B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007030218A (en) * | 2005-07-22 | 2007-02-08 | Toyota Auto Body Co Ltd | Press device |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593761A (en) * | 2016-12-19 | 2017-04-26 | 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 |
| CN111872687A (en) * | 2020-06-11 | 2020-11-03 | 东莞长盈精密技术有限公司 | Forging and pressing pretreatment method and electronic product shell forming method |
| 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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| CN105034209B (en) | 2017-04-19 |
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