CN202596995U - Counterweight device for fan blade and fan blade - Google Patents
Counterweight device for fan blade and fan blade Download PDFInfo
- Publication number
- CN202596995U CN202596995U CN2012201174882U CN201220117488U CN202596995U CN 202596995 U CN202596995 U CN 202596995U CN 2012201174882 U CN2012201174882 U CN 2012201174882U CN 201220117488 U CN201220117488 U CN 201220117488U CN 202596995 U CN202596995 U CN 202596995U
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- China
- Prior art keywords
- fan blade
- counterweight
- counter weight
- storehouse
- weight device
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a counterweight device for a fan blade and the fan blade. The counterweight device comprises a counterweight bin, a counterweight part and a counterweight bin cover, wherein the counterweight bin is fixedly formed in the fan blade; the upper and lower surfaces of the counterweight bin are adapted to the upper and lower aerofoil surfaces of the fan blade in shape respectively; more than one hole groove is reserved in the counterweight bin; the counterweight part is detachably and fixedly arranged in the hole groove of the counterweight bin, and is used for performing static balancing leveling on the fan blade by utilizing dead weight; and the counterweight bin cover covers an opening of the hole groove of the counterweight bin, and is fixedly connected with the counterweight bin. A counterweight leveling mode for the fan blade can be simplified, so that the production efficiency of the fan blade is improved, the production cost is lowered, and the counterweight section of the fan blade can be conveniently regulated and maintained in later stages.
Description
Technical field
The utility model relates to the weight balancing and leveling technology of fan blade, relates in particular to a kind of counter weight device of fan blade and has the fan blade of this counter weight device.
Background technique
Blade of wind-driven generator is called for short fan blade, is the critical component of wind power generating set.The quantity of the fan blade of a wind power generating set is generally three, and when aloft rotating, require the weight of each blade and equate with respect to the moment of wheel hub center of gravity, like this, the balance in the time of can guaranteeing the blade rotation.Yet; Under existing fan blade manufacturing condition; Because various factors; Such as weight, the size deviation of blade core, and the production process of restriction such as the other factors in practical implementation process blade, can't make the weight of fan blade and just reach balance in the starting stage with respect to the moment of wheel hub center of gravity.Therefore, need after the fan blade moulding, increase some extra weight in the corresponding position of blade; That is, carry out counterweight, so that reach a unified standard; So, can make the weight of three fan blades and meet the needs of tolerance and real-world operation with respect to the moment of wheel hub center of gravity.
In the existing technology, the weight balancing and leveling mode of fan blade is in fan blade, to form the counterweight chamber through building dividing plate, and this counterweight chamber is closed in the forming process of fan blade; And need in fan blade, increase extra shop layer; After the fan blade moulding, also need punching in the corresponding position of fan blade, and in the counterweight chamber, inject material such as resin and carry out the static balancing leveling; This weight balancing and leveling mode is loaded down with trivial details relatively, complicated; Make that the manufacturing efficiency of fan blade is relatively low, and cost of production is increased, also very inconvenient for the adjustment and the maintaining in later stage of counterweight part.
The model utility content
The utility model provides a kind of counter weight device of fan blade and has had the fan blade of this counter weight device; The weight balancing and leveling mode of fan blade that has solved existing technology is loaded down with trivial details, complicated; Make the manufacturing efficiency of fan blade relatively low; Cost of production is higher, and to the adjustment of counterweight part and the technical problem of the maintaining in later stage inconvenience.
The counter weight device of a kind of fan blade that the utility model provided comprises:
The counterweight storehouse is fixedly set in the inside of fan blade, and the upper surface in this counterweight storehouse and lower surface adapt with the last airfoil and the bottom wing profile shape of said fan blade respectively, and offer more than one hole slot on this counterweight storehouse;
Counterweight member is fixed in the hole slot in said counterweight storehouse removedly, in order to through deadweight said fan blade is carried out the static balancing leveling;
Counterweight Cang Gai covers on the opening of hole slot in said counterweight storehouse, and is fixedly connected with said counterweight storehouse.
In the counter weight device of aforesaid fan blade, said counterweight storehouse is fixedly set in the inside in the blade tip zone of said fan blade.
In the counter weight device of aforesaid fan blade, the moulding of metal mold molded, cured is passed through in said counterweight storehouse, and in the forming process in said counterweight storehouse, is added with chopped strand mixture and plurality layers of glass fiber cloth.
In the counter weight device of aforesaid fan blade, the covering inboard of the lower surface in said counterweight storehouse and the bottom wing profile of said fan blade is adhesively fixed.
In the counter weight device of aforesaid fan blade, said counterweight member is a standard test weight.
In the counter weight device of aforesaid fan blade, also be filled with the lightweight material of PVC (PVC) class in the hole slot in said counterweight storehouse.
In the counter weight device of aforesaid fan blade, said counterweight Cang Gai is the tinsel that adapts with said counterweight storehouse shape, and is fixedly connected with said counterweight storehouse through the riveted joint mode.
A kind of fan blade that the utility model provided; Wherein, The set inside of said fan blade has the counter weight device of a kind of fan blade that aforesaid the utility model provides, and offers the opening that the counterweight storehouse lid shape with said counter weight device adapts on the said fan blade.
The counter weight device of the fan blade that the utility model provided and fan blade than existing technology, have following beneficial effect:
1, the arrangement in the counterweight storehouse in the utility model is more convenient, in the forming process of fan blade, can blade interior be put in the counterweight storehouse of moulding in advance; Then fan blade is carried out moulding; Need not increases extra shop layer in fan blade, also needn't seal the counterweight storehouse earlier again to the blade punching, therefore; Simplify the weight balancing and leveling mode of fan blade, also can not influence the molded process of normal mode of blade.
2, the utility model can be according to the counterweight needs of reality to different fan blades, and the counterweight member (that is standard test weight) of changing Different Weight or quantity carries out the static balancing leveling of blade; Therefore; With respect to the counterweight mode of carrying out leveling in the existing technology through disposable injection resin, the weight balancing and leveling mode in the utility model is more accurate and convenient, has avoided counterweight to add or add the probability of few misoperation; Improve the manufacturing efficiency of fan blade, reduced cost of production.
If 3, the counter weight device in the utility model takes place damaged; When perhaps weight balancing and leveling has new better standard; Can safeguard easily and repair or change, therefore overcome in the existing technology the adjustment of counterweight part and the defective of the maintaining in later stage inconvenience.
Description of drawings
Fig. 1 is arranged at the sectional view in the fan blade for the counter weight device of the utility model one embodiment's fan blade;
Fig. 2 is the plan view in counterweight storehouse of counter weight device of the utility model embodiment's shown in Fig. 1 fan blade;
The sectional view of Fig. 3 for being done along the A-A line among Fig. 2;
Fig. 4 is the stereogram in counterweight storehouse of the counter weight device of the fan blade shown in Fig. 2.
Embodiment
Below through specific embodiment and combine accompanying drawing that the utility model is done further detailed description.
Fig. 1 is arranged at the sectional view in the fan blade for the counter weight device of the utility model one embodiment's fan blade.Fig. 2 is the plan view in counterweight storehouse of counter weight device of the utility model embodiment's shown in Fig. 1 fan blade.The sectional view of Fig. 3 for being done along the A-A line among Fig. 2.Fig. 4 is the stereogram in counterweight storehouse of the counter weight device of the fan blade shown in Fig. 2.Shown in Fig. 1 to Fig. 4, the counter weight device of a kind of fan blade that the utility model one embodiment provides comprises:
Counterweight member 4 can be fixed in the hole slot 5 in counterweight storehouse 2 with dismantling, in order to through deadweight fan blade 1 is carried out the static balancing leveling;
Counterweight storehouse lid 3 covers on the opening of hole slot 5 in counterweight storehouse 2, and is fixedly connected with counterweight storehouse 2.
On the basis of technique scheme, the counterweight storehouse 2 in the present embodiment is preferably the inside in the blade tip zone that is fixedly set in fan blade 1.
On the basis of technique scheme; Counterweight storehouse 2 in the present embodiment can be molded through metal mold; And through the curing oven solidifying, and in the forming process in counterweight storehouse 2, can be added with chopped strand mixture and plurality layers of glass fiber cloth 6, so make the structure in counterweight storehouse 2 be easy to moulding more; And composite materials such as the chopped strand mixture that is added, glass fiber cloth can be that the processing fan blade cuts or remaining material, thereby can further practice thrift cost.
On the basis of technique scheme; The covering inboard of the lower surface in the counterweight storehouse 2 in the present embodiment and the bottom wing profile of fan blade 1 is adhesively fixed; And counterweight storehouse 2 can be adhesively fixed through two web extending portions (not shown in the accompanying drawing) and fan blade 1 on its leading edge direction and trailing edge direction; So can make counterweight storehouse 2 be anchored on the inside of fan blade 1, can not become flexible.
On the basis of technique scheme, the counterweight member 4 in the present embodiment can be standard test weight, and the quantity of this standard test weight or weight can increase and decrease according to the needs that fan blade 1 is carried out the static balancing leveling.
On the basis of technique scheme; Also be filled with the lightweight material of PVC (PVC) class in the hole slot 5 in the counterweight storehouse 2 in the present embodiment; In order to filling up the remaining space of placing in the hole slot 5 behind the counterweight members 4, thereby counterweight member 4 can be fixed in the hole slot 5 in counterweight storehouse 2.
On the basis of technique scheme, the tinsel that counterweight storehouse in present embodiment lid 3 adapts for the shape with counterweight storehouse 2, and counterweight storehouse lid 3 can be fixedly connected with counterweight storehouse 2 through the mode of rivet, thus counterweight storehouse 2 is sealed.
On the basis of technique scheme, in the counter weight device of present embodiment, offer two hole slots 5 on the counterweight storehouse 2; Like this; Can be according to fan blade 1 be carried out the needs of static balancing leveling and in two hole slots 5, place the counterweight member 4 of identical or different quantity respectively, certainly, in order to satisfy the needs that fan blade 1 is carried out the static balancing leveling; Also can only on counterweight storehouse 2, offer a hole slot 5; Can also suitably increase the length and/or the width in counterweight storehouse 2, and on counterweight storehouse 2, offer more hole slot 5 simultaneously, so that place more counterweight member 4.
In addition; The utility model also provides a kind of fan blade; Wherein, There is the counter weight device of the fan blade that aforesaid the utility model embodiment provided the inside of this fan blade, the set inside that is preferably the blade tip zone of fan blade, and offer the opening that the counterweight storehouse lid shape with this counter weight device adapts on the said fan blade.The concrete structure of this counter weight device sees also the associated description among above-mentioned the utility model embodiment, repeats no more at this.
In sum, the counter weight device of the fan blade that the utility model provided and fan blade than existing technology, have following beneficial effect:
1, the arrangement in the counterweight storehouse in the utility model is more convenient, in the forming process of fan blade, can blade interior be put in the counterweight storehouse of moulding in advance; Then fan blade is carried out moulding; Need not increases extra shop layer in fan blade, also needn't seal the counterweight storehouse earlier again to the blade punching, therefore; Simplify the weight balancing and leveling mode of fan blade, also can not influence the molded process of normal mode of blade.
2, the utility model can be according to the counterweight needs of reality to different fan blades, and the counterweight member (that is standard test weight) of changing Different Weight or quantity carries out the static balancing leveling of blade; Therefore; With respect to the counterweight mode of carrying out leveling in the existing technology through disposable injection resin, the weight balancing and leveling mode in the utility model is more accurate and convenient, has avoided counterweight to add or add the probability of few misoperation; Improve the manufacturing efficiency of fan blade, reduced cost of production.
If 3, the counter weight device in the utility model takes place damaged; When perhaps weight balancing and leveling has new better standard; Can safeguard easily and repair or change, therefore overcome in the existing technology the adjustment of counterweight part and the defective of the maintaining in later stage inconvenience.
What should explain at last is: above embodiment is only in order to the technological scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that previous embodiment is put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of essence disengaging the utility model embodiment technological scheme of relevant art scheme.
Claims (8)
1. the counter weight device of a fan blade is characterized in that, this counter weight device comprises:
The counterweight storehouse is fixedly set in the inside of fan blade, and the upper surface in this counterweight storehouse and lower surface adapt with the last airfoil and the bottom wing profile shape of said fan blade respectively, and offer more than one hole slot on this counterweight storehouse;
Counterweight member is fixed in the hole slot in said counterweight storehouse removedly, in order to through deadweight said fan blade is carried out the static balancing leveling;
Counterweight Cang Gai covers on the opening of hole slot in said counterweight storehouse, and is fixedly connected with said counterweight storehouse.
2. the counter weight device of fan blade according to claim 1 is characterized in that, said counterweight storehouse is fixedly set in the inside in the blade tip zone of said fan blade.
3. the counter weight device of fan blade according to claim 1 is characterized in that, the moulding of metal mold molded, cured is passed through in said counterweight storehouse, and in the forming process in said counterweight storehouse, is added with chopped strand mixture and plurality layers of glass fiber cloth.
4. the counter weight device of fan blade according to claim 1 is characterized in that, the covering inboard of the lower surface in said counterweight storehouse and the bottom wing profile of said fan blade is adhesively fixed.
5. the counter weight device of fan blade according to claim 1 is characterized in that, said counterweight member is a standard test weight.
6. the counter weight device of fan blade according to claim 1 is characterized in that, also is filled with the lightweight material of PVC (PVC) class in the hole slot in said counterweight storehouse.
7. the counter weight device of fan blade according to claim 1 is characterized in that, said counterweight Cang Gai is the tinsel that adapts with said counterweight storehouse shape, and is fixedly connected with said counterweight storehouse through the riveted joint mode.
8. a fan blade is characterized in that, the set inside of said fan blade is just like the counter weight device of the arbitrary described fan blade of claim 1-7, and offers the opening that the counterweight storehouse lid shape with said counter weight device adapts on the said fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201174882U CN202596995U (en) | 2012-03-26 | 2012-03-26 | Counterweight device for fan blade and fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201174882U CN202596995U (en) | 2012-03-26 | 2012-03-26 | Counterweight device for fan blade and fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202596995U true CN202596995U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201174882U Expired - Lifetime CN202596995U (en) | 2012-03-26 | 2012-03-26 | Counterweight device for fan blade and fan blade |
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| CN (1) | CN202596995U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105320792A (en) * | 2014-07-30 | 2016-02-10 | 南车株洲电力机车研究所有限公司 | Method for solving unbalance fault of impellers of wind turbine generator |
| CN110701004A (en) * | 2019-11-22 | 2020-01-17 | 国电联合动力技术(保定)有限公司 | Counterweight method of wind power blade root counterweight box and counterweight box |
| CN111098512A (en) * | 2019-11-11 | 2020-05-05 | 天津中车风电叶片工程有限公司 | Wind power blade counterweight cabin mounting structure and mounting method |
| CN112360681A (en) * | 2020-10-29 | 2021-02-12 | 中材科技（邯郸）风电叶片有限公司 | Wind power blade and production process |
| CN113187675A (en) * | 2021-05-08 | 2021-07-30 | 天津龙嘉科技有限公司 | Method for adjusting dynamic balance of fan blade |
-
2012
- 2012-03-26 CN CN2012201174882U patent/CN202596995U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105320792A (en) * | 2014-07-30 | 2016-02-10 | 南车株洲电力机车研究所有限公司 | Method for solving unbalance fault of impellers of wind turbine generator |
| CN105320792B (en) * | 2014-07-30 | 2018-09-07 | 南车株洲电力机车研究所有限公司 | A method of solving impeller of wind turbine set imbalance fault |
| CN111098512A (en) * | 2019-11-11 | 2020-05-05 | 天津中车风电叶片工程有限公司 | Wind power blade counterweight cabin mounting structure and mounting method |
| CN110701004A (en) * | 2019-11-22 | 2020-01-17 | 国电联合动力技术(保定)有限公司 | Counterweight method of wind power blade root counterweight box and counterweight box |
| CN112360681A (en) * | 2020-10-29 | 2021-02-12 | 中材科技（邯郸）风电叶片有限公司 | Wind power blade and production process |
| CN113187675A (en) * | 2021-05-08 | 2021-07-30 | 天津龙嘉科技有限公司 | Method for adjusting dynamic balance of fan blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |
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| CX01 | Expiry of patent term |