CN201819729U - Weighing device for balance of blades of wind generator - Google Patents
Weighing device for balance of blades of wind generator Download PDFInfo
- Publication number
- CN201819729U CN201819729U CN201020558482XU CN201020558482U CN201819729U CN 201819729 U CN201819729 U CN 201819729U CN 201020558482X U CN201020558482X U CN 201020558482XU CN 201020558482 U CN201020558482 U CN 201020558482U CN 201819729 U CN201819729 U CN 201819729U
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- China
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- blade
- meausring apparatus
- weighing device
- wind
- driven generator
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Abstract
The utility model discloses a weighing device for the balance of blades of a wind generator and belongs to the technical field of wind generators. The weighing device comprises a root end support device, a blade root section weighing device and a blade tip section weighing device, wherein the root end support device comprises two vertical beams fixed on the ground, and a connecting plate capable of performing axial rotation is horizontally connected between the two vertical beams through a rotating shaft; the blade root section weighing device, as well as the blade tip section weighing device, comprises a bracket, a base and a steel material buffering scale sequentially connected from the top down; and steel wheels are arranged at the bottom of the steel material buffering scale of the blade tip section weighing device, guide rails are arranged under the steel wheels, and the bottom of the steel material buffering scale of the blade tip section weighing device can be fixed on the ground. The weighing device provided by the utility model has the benefits of light weight and convenience and simplicity in operation; and the blades are placed on the blade root section weighing device and the blade tip section weighing device for weighing, the operation is simple and easy and the accuracy is high.
Description
Technical field
The utility model belongs to technical field of wind power generator, particularly a kind of blade of wind-driven generator balancing meausring apparatus.
Background technology
At present, compare with the traditional fuel generation mode, wind-power electricity generation is a kind of pollution-free generation mode, is the clean energy resource that is full of vitality.In recent years, the wind-power electricity generation industry development is rapid, and countries in the world wind-powered electricity generation installed capacity grows with each passing day.Wherein impeller is most important, the expensive component of aerogenerator, and its cost can account for 20% of whole wind power generator cost, and the key of impeller then is a blade.Aerogenerator generally adopts the version of two or three blades at present.For guarantee that aerogenerator turns round steadily under wind action, reduce impact to tower tube and pedestal, necessarily require each leaf weight of same aerogenerator to equate, identical with respect to the moment at wheel hub center.And the moulding process of blade of wind-driven generator is generally stuck with paste or vacuum perfusion process based on hand, under present process conditions, the weight of each blade of producing, moment is all equated.Therefore need blade is carried out balancing, add extra weight in some position of blade and carry out counterweight, make each leaf weight of same aerogenerator equate that moment is identical.
The blade balancing, most critical be that each blade is weighed accurately, calculate blade moment by the moment formula then.For guaranteeing the degree of accuracy in the blade balancing process, need to carry out repeatedly weighing in a plurality of positions of blade, need guarantee blade in addition when weighing, axis of runner blade is horizontal, and can obtain accurate data.Calculate the weight that each blade need increase by formula then.Because the blade shape complexity, length is longer, brings a lot of difficulties for the work of weighing.Therefore need a kind of simple blade balancing meausring apparatus of design, finish the balancing of blade smoothly.
Summary of the invention
For solving above technical deficiency, the utility model provide a kind of to blade of wind-driven generator weigh conveniently, blade of wind-driven generator balancing meausring apparatus accurately.
The utility model is realized by following measure:
A kind of blade of wind-driven generator balancing meausring apparatus of the present utility model comprises butt bracing or strutting arrangement, blade root section meausring apparatus and blade tip end meausring apparatus;
Described butt bracing or strutting arrangement comprises two upright beams that fix on the ground, but is connected with the web joint of axial rotation between two upright beams by the rotating shaft level;
Described blade root section meausring apparatus includes the support, pedestal and the steel buffering that are connected successively from top to bottom with blade tip end meausring apparatus and claims;
The steel buffering of described blade tip end meausring apparatus claims the bottom to be provided with steel wheel, and described steel wheel is arranged with guide rail, and the steel buffering of described blade root section meausring apparatus claims the bottom to fix on the ground.
The shape on above-mentioned support top matches with the blade lower shape, can be more stable when being placed into blade on the support, and stressed more even.
For support is not firmly slided more, above-mentioned steel buffering deserves to be called and is fixed with the locating piece that is connected on four angles of base bottom.
In order whether to detect level, above-mentioned web joint is provided with level meter.
Above-mentioned rack upper surface is provided with rubber blanket, plays to prevent collision the effect of protection blade.
Above-mentioned web joint is provided with the threaded hole that is complementary with blade root end bolt, and convenient root end face with blade is connected on the web joint by bolt.
Above-mentioned support both sides are connected with reinforcement, improve support intensity.
The beneficial effects of the utility model are: light and handy convenient, simple to operate, being placed into blade on blade tip section meausring apparatus and the blade root section meausring apparatus is ponderable quantity, simple.Blade tip section meausring apparatus can move along guide rail, satisfies the requirement of measuring blade diverse location moment.On the butt bracing or strutting arrangement level meter is installed in addition, guarantees the accuracy of data in the blade weighing process.
Description of drawings
Fig. 1 is a butt support device structure synoptic diagram;
Fig. 2 is a blade root section meausring apparatus structural representation;
Fig. 3 is a blade tip section meausring apparatus master TV structure synoptic diagram;
Fig. 4 is a blade tip section meausring apparatus plan structure synoptic diagram.
Among the figure: the 1-web joint, the 2-level meter, 3-founds beam, 4-butt rubber blanket, 5-butt support, 6-butt reinforcement, 7-butt pedestal, 8-butt locating piece, 9-butt steel buffering scale, the most advanced and sophisticated rubber blanket of 10-, the most advanced and sophisticated support of 11-, the most advanced and sophisticated reinforcement of 12-, the most advanced and sophisticated pedestal of 13-, the most advanced and sophisticated locating piece of 14-, the most advanced and sophisticated steel buffering of 15-scale, the 16-steel wheel, the 17-guide rail.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.
As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, the utility model comprises: butt bracing or strutting arrangement, blade root section meausring apparatus and blade tip section meausring apparatus.
The butt bracing or strutting arrangement comprise web joint 1, level meter 2 and about upright beam 3; Wherein web joint 1 by rotating shaft with about upright beam 3 levels be connected, and can axially rotate, be convenient for measuring; Three holes are respectively arranged about on the web joint 1, and the position in hole, size match with blade root end bolt, thereby make blade to be connected with the butt bracing or strutting arrangement; Level meter 2 is fixed on the web joint 1, can rotate with web joint 1, and to guarantee blade in weighing process, axis of runner blade is horizontal all the time; About upright beam 3 be fixed on the ground by foot bolt, prevent to move.
Blade root end meausring apparatus comprises butt support 5, butt reinforcement 6, butt pedestal 7, butt locating piece 8, the butt steel buffering scale 9 of butt rubber blanket 4, top and blade and blade root segment conformal; Butt rubber blanket 4 is adhered on the conformal face of butt support 5 and blade root, plays the effect of protection blade; Butt support 5 is fixed on the butt pedestal 7, and makes it firm by butt reinforcement 6; Butt pedestal 7 is positioned on the butt steel bufferings scale 9, and locatees by the butt locating piece 8 that is fixed on the butt steel buffering scale 9, and butt locating piece 8 is connected on four jiaos of butt pedestal 7, plays positioning action; Butt steel buffering scale 9 is fixed by foot bolt with ground.Blade root section meausring apparatus is used for weighing blade root weight.Butt support 5 and blade root contact position conformal, and have rubber blanket injury-free with the protection blade.Butt support 5 is fixed on the butt pedestal 7, all can change with butt pedestal 7, to adapt to the weighing demand of different blade models.
Blade tip end meausring apparatus comprises most advanced and sophisticated rubber blanket 10, most advanced and sophisticated support 11, most advanced and sophisticated reinforcement 12, most advanced and sophisticated pedestal 13, most advanced and sophisticated locating piece 14, most advanced and sophisticated steel buffering scale 15, steel wheel 16; Most advanced and sophisticated rubber blanket 10 is adhered on the conformal face at most advanced and sophisticated support 11 and this place of point of blade, plays the effect of protection blade; Most advanced and sophisticated support 11 is fixed on the most advanced and sophisticated pedestal 13, and makes it firm by most advanced and sophisticated reinforcement 12; Most advanced and sophisticated pedestal 13 is positioned on the most advanced and sophisticated steel buffering scale 15, and locatees by the most advanced and sophisticated locating piece 14 that is fixed on the most advanced and sophisticated steel buffering scale 15; Steel wheel 16 cushions on the scale 15 in most advanced and sophisticated steel by Bearing Installation; Rail 17 is fixed on the ground; Can move forward and backward along rail 17 by steel wheel 16 most advanced and sophisticated pedestals 13.Blade tip end meausring apparatus and blade root section meausring apparatus structural similarity, its difference is that most advanced and sophisticated steel buffering scale 15 both sides are equipped with four steel wheels 16, make most advanced and sophisticated steel meausring apparatus to move, to satisfy in the blade weight counterbalance process measurement to blade diverse location weight and moment along rail 17
Blade is carried out weight to employing the utility model and the torgue measurement process is as follows:
1. blade tip section meausring apparatus is moved to the precalculated position along guide rail;
2. blade is sling, be positioned on blade tip section meausring apparatus and the blade root section meausring apparatus, read blade tip section and blade root section steel buffering read number and addition respectively, promptly obtain the blade general assembly (TW);
3. blade root is connected with the butt bracing or strutting arrangement by root end bolt, point of blade is positioned on the blade tip section meausring apparatus, and checks whether level of blade by level meter;
4. read blade tip section steel buffering read number, and calculate blade moment according to the moment formula;
5. need when diverse location is measured moment, then to change the blade tip section support and the pedestal of relevant position, and blade tip section meausring apparatus is moved to the relevant position along guide rail, measure and the factored moment size;
6. after same set of blade weighing being finished, require to carry out counterweight, carry out weight and torgue measurement then again, until balance in the relevant position according to balancing.
The foregoing description is described to be in order to specify this patent; though describe by specific term in the literary composition; but can not limit the protection domain of this patent with this; being familiar with the personage of this technical field can be after the spirit of understanding this patent and principle change or revises it and reach equivalent purpose; and this equivalence change and modification all should be covered by the claim scope and define in the category.
Claims (7)
1. a blade of wind-driven generator balancing meausring apparatus is characterized in that: comprise butt bracing or strutting arrangement, blade root section meausring apparatus and blade tip end meausring apparatus;
Described butt bracing or strutting arrangement comprises two upright beams that fix on the ground, but is connected with the web joint of axial rotation between two upright beams by the rotating shaft level;
Described blade root section meausring apparatus includes the support, pedestal and the steel buffering that are connected successively from top to bottom with blade tip end meausring apparatus and claims;
The steel buffering of described blade tip end meausring apparatus claims the bottom to be provided with steel wheel, and described steel wheel is arranged with guide rail, and the steel buffering of described blade root section meausring apparatus claims the bottom to fix on the ground.
2. according to the described blade of wind-driven generator balancing of claim 1 meausring apparatus, it is characterized in that: the shape on described support top matches with the blade lower shape.
3. according to the described blade of wind-driven generator balancing of claim 1 meausring apparatus, it is characterized in that: described steel buffering deserves to be called and is fixed with the locating piece that is connected on four angles of base bottom.
4. according to the described blade of wind-driven generator balancing of claim 1 meausring apparatus, it is characterized in that: described web joint is provided with level meter.
5. according to claim 1 or 2 described blade of wind-driven generator balancing meausring apparatuses, it is characterized in that: described rack upper surface is provided with rubber blanket.
6. according to the described blade of wind-driven generator balancing of claim 1 meausring apparatus, it is characterized in that: described web joint is provided with the threaded hole that is complementary with blade root end bolt.
7. according to the described blade of wind-driven generator balancing of claim 5 meausring apparatus, it is characterized in that: described support both sides are connected with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020558482XU CN201819729U (en) | 2010-10-13 | 2010-10-13 | Weighing device for balance of blades of wind generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020558482XU CN201819729U (en) | 2010-10-13 | 2010-10-13 | Weighing device for balance of blades of wind generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201819729U true CN201819729U (en) | 2011-05-04 |
Family
ID=43917679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020558482XU Expired - Lifetime CN201819729U (en) | 2010-10-13 | 2010-10-13 | Weighing device for balance of blades of wind generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201819729U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986110A (en) * | 2010-10-13 | 2011-03-16 | 济南轨道交通装备有限责任公司 | Weighing device for balancing blades of wind driven generator |
| CN102749132A (en) * | 2012-07-27 | 2012-10-24 | 中冶华天工程技术有限公司 | Steel billet weighing device |
| CN102788632A (en) * | 2012-08-15 | 2012-11-21 | 昆山地博光电材料有限公司 | Weighing device for coiled material stacker |
| CN110720029A (en) * | 2017-04-12 | 2020-01-21 | 西门子歌美飒可再生能源公司 | Weighing device for a wind turbine rotor blade |
-
2010
- 2010-10-13 CN CN201020558482XU patent/CN201819729U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986110A (en) * | 2010-10-13 | 2011-03-16 | 济南轨道交通装备有限责任公司 | Weighing device for balancing blades of wind driven generator |
| CN101986110B (en) * | 2010-10-13 | 2012-06-27 | 济南轨道交通装备有限责任公司 | Weighing device for balancing blades of wind driven generator |
| CN102749132A (en) * | 2012-07-27 | 2012-10-24 | 中冶华天工程技术有限公司 | Steel billet weighing device |
| CN102788632A (en) * | 2012-08-15 | 2012-11-21 | 昆山地博光电材料有限公司 | Weighing device for coiled material stacker |
| CN110720029A (en) * | 2017-04-12 | 2020-01-21 | 西门子歌美飒可再生能源公司 | Weighing device for a wind turbine rotor blade |
| US11333129B2 (en) | 2017-04-12 | 2022-05-17 | Siemens Gamesa Renewable Energy A/S | Weighing device for a wind turbine rotor blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110504 Effective date of abandoning: 20120627 |