CN105196575B - A kind of method for maintaining for wind generator set blade - Google Patents
A kind of method for maintaining for wind generator set blade Download PDFInfo
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- CN105196575B CN105196575B CN201510513622.9A CN201510513622A CN105196575B CN 105196575 B CN105196575 B CN 105196575B CN 201510513622 A CN201510513622 A CN 201510513622A CN 105196575 B CN105196575 B CN 105196575B
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Abstract
A kind of method for maintaining for wind generator set blade, in blade shell cutting zone is formed around the damage field in addition to twin-spar construction and web structure, cutting zone is dried and removing surface, carry out circumferential beveling, cut the square region containing damage field, form a gradient region wide outside and narrow inside, wedge-shaped polishing is carried out to corner on gradient region and type repaiies processing, internal injury processing, glass fibre reinforced plastics are bonded blade shell and square region by bonding agent, hand paste resin is smeared in gradient region, square region is installed back into peripheral feather plucking behind original place, and hand paste at least layer glass fiber cloth, use hair roller compaction, it is polishing to and is seamlessly transitted with prototype face using angle grinder.The present invention is by the way that the internal injury region of blade shell is cut down, convenient maintenance, due to filling up and be accurately bonded after the accurate polishing of maintenance position, maintenance, preferably carry out internal maintenance and play follow-up overall operation, be particularly suitable for use in being sent to outside the factory of wind field and repairing.
Description
Technical field
It is more particularly to a kind of the present invention relates to a kind of for method for maintaining outside outgoing, the factory of the wind field blade run
Method for maintaining for wind generator set blade.
Background technology
With big megawatt of leaf production efficient activity increasingly and big megawatt of grade blade wind field running environment diversification, it is right
The production efficiency of blade, quality requirement also more and more higher, can be with factors such as time, natural environments in wind field environment operation blade
Accumulation produces problem inside and out miscellaneous, and the processing mode of the maintenance will directly affect the operation matter of blade subsequently
Amount, can improve blade working efficiency, improve the effect of follow-up operation.Prior art is only capable of carrying out blade exterior cleaning and simple table
Layer touch-up paint, its effect is poor, and the internal structure for producing defect is helped without any substantially.
The content of the invention
The technical problems to be solved by the invention are that there is provided one kind is reasonable in design in view of the shortcomings of the prior art, it is ensured that leaf
The method for maintaining for wind generator set blade of piece overall performance.
The technical problems to be solved by the invention are realized by following technical scheme, and the present invention is that one kind is used for
The method for maintaining of wind generator set blade, is characterized in, its step is,
（1）Cutting zone is formed around the damage field in addition to twin-spar construction and web structure in blade shell, to cutting
Cut region and processing and removing surface is dried, it is circumferentially cutting along the periphery progress of damage field after having cleared up, cut a piece of contain
The square region of damage field, and an otch is left on blade shell, the cut surface formation one of incision is wide outside and narrow inside
Gradient region；
（2）First carry out wedge-shaped polishing to the corner on gradient region and type repaiies processing, then in the square region that cuts
Damage field carries out internal injury processing；
（3）After the completion of internal injury processing, using glass fibre reinforced plastics, a bonding is drawn in the middle part of glass fibre reinforced plastics
Line, the glass fibre reinforced plastics of bonding wire side are bonded in the blade shell inner surface of close otch, bonding wire opposite side by bonding agent
Glass fibre reinforced plastics be exposed at incision；
（4）After after the bonding agent solidification on blade shell, bonding agent is smeared in the exposed portion of glass fibre reinforced plastics, while in gradient
Hand paste resin is smeared on region, the square region that internal injury is handled well is installed back into original place, the exposed portion of glass fibre reinforced plastics and side
The inner surface bonding in shape region, the periphery of square region is Nian Jie with gradient region；
（5）By the peripheral feather plucking of the square region installed back, and hand paste at least layer glass fiber cloth coats whole cutting area
Domain, forms hand paste region, region is pasted using hair roller compaction hand；
（6）After hand paste is regions curing, using angle grinder polishing hand paste region to being seamlessly transitted with prototype face, dimension is completed
Repair.
The technical problems to be solved by the invention can also further be realized by following technical scheme, used
The width of glass fibre reinforced plastics is 40-60mm.
The technical problems to be solved by the invention can also further be realized by following technical scheme, used
The width of glass fibre reinforced plastics is 45-55mm.
The technical problems to be solved by the invention can also further be realized by following technical scheme, used
The width of glass fibre reinforced plastics is 50mm.
The technical problems to be solved by the invention can also further be realized by following technical scheme, described viscous
The 20mm regions of wiring side are Nian Jie with the blade shell inner surface close to otch by bonding agent, the 30mm of bonding wire opposite side
Region is exposed.
The technical problems to be solved by the invention can also further be realized by following technical scheme, described glass
Glass fiber cloth is using the axial cloth of glass fibre three.
The technical problems to be solved by the invention can also further be realized by following technical scheme, the glass of hand paste
Glass fiber cloth is three layers.
Compared with prior art, the present invention is by the way that the internal injury region of blade shell is cut down, and convenient maintenance is protected
Demonstrate,prove maintenance effect；In cutting zone formation gradient region, accurate installation is realized, resin and glass fibers are pasted using glass fibre reinforced plastics, hand
The axial cloth of dimension three is repaired so that the maintenance effect of blade more preferably, can preferably play the overall performance of blade, not influence
The performance of blade, due to filling up and be accurately bonded after the accurate polishing of maintenance position, maintenance, can preferably carry out internal maintenance
With the follow-up overall operation effect of performance, especially repair especially effective, convenient to being sent to outside the factory of wind field.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the side view of gradient region on cutting zone.
Embodiment
Referring to the drawings, the concrete technical scheme of the present invention is further described, in order to which those skilled in the art enters
One step the present invention is understood, without constituting the limitation to its right.
Embodiment 1, referring to Figures 1 and 2, a kind of method for maintaining for wind generator set blade, its step is,
（1）Cutting zone is formed around the damage field in addition to twin-spar construction and web structure in blade shell 1, to cutting
Cut region and processing and removing surface is dried, it is circumferentially cutting along the periphery progress of damage field after having cleared up, cut a piece of contain
The square region 3 of damage field, and left on blade shell 1 in an otch, cut surface one outer width of formation of incision
Narrow gradient region 2；
（2）First carry out wedge-shaped polishing to the corner on gradient region 2 and type repaiies processing, then in the square region 3 that cuts
Damage field carry out internal injury processing；
（3）After the completion of internal injury processing, using glass fibre reinforced plastics 4, a bonding is drawn in the middle part of glass fibre reinforced plastics 4
Line, the glass fibre reinforced plastics 4 of bonding wire side are bonded in the inner surface of blade shell 1 of close otch by bonding agent, and bonding wire is another
The glass fibre reinforced plastics of side are exposed at incision；
（4）After after the bonding agent solidification on blade shell 1, bonding agent is smeared in the exposed portion of glass fibre reinforced plastics 4, while in ladder
Spend on region 2 and smear hand paste resin, the square region 3 that internal injury is handled well is installed back into original place, the exposed portion of glass fibre reinforced plastics 4
Inner surface with square region 3 is Nian Jie, and the periphery of square region 3 is be bonded with gradient region 2；
（5）By the peripheral feather plucking of the square region 3 installed back, and hand paste at least layer glass fiber cloth coats whole cutting area
Domain, forms hand paste region, region is pasted using hair roller compaction hand；
（6）After hand paste is regions curing, using angle grinder polishing hand paste region to being seamlessly transitted with prototype face, dimension is completed
Repair.
In embodiment 2, the method for maintaining described in embodiment 1：The width of used glass fibre reinforced plastics 4 is 40mm.
In embodiment 3, the method for maintaining described in embodiment 1：The width of used glass fibre reinforced plastics 4 is 60mm.
In embodiment 4, the method for maintaining described in embodiment 1：The width of used glass fibre reinforced plastics 4 is 45mm.
In embodiment 5, the method for maintaining described in embodiment 1：The width of used glass fibre reinforced plastics 4 is 55mm.
In embodiment 6, the method for maintaining described in embodiment 1：The width of used glass fibre reinforced plastics 4 is 50mm.
In embodiment 7, the method for maintaining described in embodiment 1：Pass through bonding agent in the 20mm regions of the bonding wire side
Nian Jie with the inner surface of blade shell 1 close to otch, the 30mm regions of bonding wire opposite side are exposed.
In embodiment 8, the method for maintaining described in embodiment 1：Described glass fabric is using the axial cloth of glass fibre three.
In embodiment 9, the method for maintaining described in embodiment 1：The glass fabric of hand paste is three layers.
Claims (7)
1. a kind of method for maintaining for wind generator set blade, it is characterised in that：Its step is,
（1）Cutting zone is formed around the damage field in addition to twin-spar construction and web structure in blade shell, to cutting area
Processing and removing surface is dried in domain, circumferentially cutting along the periphery progress of damage field after having cleared up, and cuts a piece of containing damage
The square region in region, and leave on blade shell an otch, cut surface one ladder wide outside and narrow inside of formation of incision
Spend region；
（2）First carry out wedge-shaped polishing to the corner on gradient region and type repaiies processing, then to the damage in the square region that cuts
Region carries out internal injury processing；
（3）After the completion of internal injury processing, using glass fibre reinforced plastics, a bonding wire is drawn in the middle part of glass fibre reinforced plastics, is glued
The glass fibre reinforced plastics of wiring side are bonded in the blade shell inner surface close to otch, the glass of bonding wire opposite side by bonding agent
Steel bar is exposed at incision；
（4）After after the bonding agent solidification on blade shell, bonding agent is smeared in the exposed portion of glass fibre reinforced plastics, while in gradient region
Upper smearing hand paste resin, original place, the exposed portion of glass fibre reinforced plastics and squared region are installed back by the square region that internal injury is handled well
The inner surface bonding in domain, the periphery of square region is Nian Jie with gradient region；
（5）By the peripheral feather plucking of the square region installed back, and hand paste at least layer glass fiber cloth coats whole cutting zone, shape
Region is pasted into hand, region is pasted using hair roller compaction hand；
（6）After hand paste is regions curing, using angle grinder polishing hand paste region to being seamlessly transitted with prototype face, maintenance is completed.
2. the method for maintaining according to claim 1 for wind generator set blade, it is characterised in that：Used glass
The width of glass steel bar is 40-60mm.
3. the method for maintaining according to claim 2 for wind generator set blade, it is characterised in that：Used glass
The width of glass steel bar is 45-55mm.
4. the method for maintaining according to claim 3 for wind generator set blade, it is characterised in that：Used glass
The width of glass steel bar is 50mm.
5. the method for maintaining according to claim 4 for wind generator set blade, it is characterised in that：In the bonding
The 20mm regions of line side are Nian Jie with the blade shell inner surface close to otch by bonding agent, the 30mm areas of bonding wire opposite side
Overseas dew.
6. the method for maintaining according to claim 1 for wind generator set blade, it is characterised in that：Described glass
Fiber cloth is using the axial cloth of glass fibre three.
7. the method for maintaining according to claim 1 for wind generator set blade, it is characterised in that：The glass of hand paste
Fiber cloth is three layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510513622.9A CN105196575B (en) | 2015-08-20 | 2015-08-20 | A kind of method for maintaining for wind generator set blade |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510513622.9A CN105196575B (en) | 2015-08-20 | 2015-08-20 | A kind of method for maintaining for wind generator set blade |
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| CN105196575A CN105196575A (en) | 2015-12-30 |
| CN105196575B true CN105196575B (en) | 2017-08-25 |
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| CN201510513622.9A Active CN105196575B (en) | 2015-08-20 | 2015-08-20 | A kind of method for maintaining for wind generator set blade |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087193B (en) * | 2017-12-28 | 2019-12-13 | 江苏金风科技有限公司 | Blade, blade synergistic system and wind generating set |
| CN112241573B (en) * | 2019-07-16 | 2022-10-18 | 内蒙古工业大学 | Microscopic fiber angle-laying optimization method for wind turbine blade |
| CN113007042B (en) * | 2019-12-20 | 2022-07-15 | 江苏金风科技有限公司 | Blade repairing method of wind generating set, blade cementing structure and blade |
| CN112440075A (en) * | 2020-11-18 | 2021-03-05 | 河北瑞兆激光再制造技术股份有限公司 | TRT blade repairing process based on laser cladding technology |
| CN113074089B (en) * | 2021-03-19 | 2022-05-03 | 三一重能股份有限公司 | Blade main beam layer structure, blade, wind turbine generator and main beam forming process |
| CN113183494A (en) * | 2021-04-30 | 2021-07-30 | 上海扩博智能技术有限公司 | Method for maintaining fan blade based on robot |
| CN114619331B (en) * | 2022-05-12 | 2022-08-02 | 海尼肯智能技术成都有限公司 | Dead pixel staggered layer polishing equipment for composite material blade |
Citations (4)
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| US4732633A (en) * | 1986-08-01 | 1988-03-22 | Minnesota Mining And Manufacturing Company | Method of patching damaged sheet material |
| CN1258247A (en) * | 1997-05-29 | 2000-06-28 | 国家航空工业公司 | Equipment for on-site repair of composite structure with damaged zone and corresponding method |
| 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 |
| CN102774015A (en) * | 2012-08-03 | 2012-11-14 | 国电联合动力技术(连云港)有限公司 | Method for removing resin enrichment at rear edge of fan blade |
-
2015
- 2015-08-20 CN CN201510513622.9A patent/CN105196575B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4732633A (en) * | 1986-08-01 | 1988-03-22 | Minnesota Mining And Manufacturing Company | Method of patching damaged sheet material |
| CN1258247A (en) * | 1997-05-29 | 2000-06-28 | 国家航空工业公司 | Equipment for on-site repair of composite structure with damaged zone and corresponding method |
| 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 |
| CN102774015A (en) * | 2012-08-03 | 2012-11-14 | 国电联合动力技术(连云港)有限公司 | Method for removing resin enrichment at rear edge of fan blade |
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| CN105196575A (en) | 2015-12-30 |
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Address after: 222069 west side of Dapu Road, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province (south of Dongfang Avenue) Patentee after: Guoneng United Power Technology (Lianyungang) Co.,Ltd. Address before: 222000 No.88 Dapu Road, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province Patentee before: Guodian United Power Technology (Lianyungang) Co.,Ltd. |
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