CN101986111A - Weighing system for counter-balancing blades of wind turbine generator - Google Patents
Weighing system for counter-balancing blades of wind turbine generator Download PDFInfo
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- CN101986111A CN101986111A CN 201010504700 CN201010504700A CN101986111A CN 101986111 A CN101986111 A CN 101986111A CN 201010504700 CN201010504700 CN 201010504700 CN 201010504700 A CN201010504700 A CN 201010504700A CN 101986111 A CN101986111 A CN 101986111A
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Abstract
The invention discloses a weighing system for counter-balancing blades of a wind turbine generator, which belongs to the technical field of the wind turbine generators and comprises a root end support device and at least two identical weighing devices; the root end support device comprises two vertical beams fixed on the ground, and a connecting plate which can rotate in the axial direction is horizontally connected between the two vertical beams through a rotating shaft; and each weighing device comprises an electric flat car and a gantry fixed on the electric flat car, electric hoists are arranged at the upper ends of the gantries, and the electric hoists are connected with crane scales. The weighing system has the benefits of being simple to operate and being capable of weighing the weight by utilizing the crane scales to lift the blades. The two weighing devices can move along guide tracks, thereby not only being convenient to weigh, but also meeting the requirements of measuring the torque in different positions of the blades; and a water level gauge is mounted on the support device, thereby ensuring the accuracy of data during the weighing process of the blades.
Description
Technical field
The invention belongs to technical field of wind power generator, particularly a kind of blade of wind-driven generator balancing Weighing system.
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 Weighing system of design, finish the balancing of blade smoothly.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of, accurately blade of wind-driven generator balancing Weighing system convenient to the blade of wind-driven generator weighing.
The present invention is achieved by the following measures:
A kind of blade of wind-driven generator balancing Weighing system of the present invention comprises the meausring apparatus that the butt bracing or strutting arrangement is identical with at least two;
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 meausring apparatus comprises electric flat carriage and the door frame that is fixed on the electric flat carriage, and described door frame upper end is provided with electric block, and described electric block is connected with hang hook steelyard.
Above-mentioned door frame is fixed on the middle part on the electric flat carriage, thereby makes electric flat carriage stressed evenly.
For making door frame stressed evenly, electric block is connected the middle part of door frame upper end.
Above-mentioned hang hook steelyard is connected the middle part of electric block, thereby makes weighing accurately stable more.
Above-mentioned web joint is provided with level meter, whether can detect level.
Above-mentioned electric flat carriage bottom is provided with guide rail, whole meausring apparatus is moved, so that measure at diverse location along guide rail.
Above-mentioned web joint is provided with the through hole that is complementary with blade root end bolt, makes things convenient for blade to be connected on the web joint.
The invention has the beneficial effects as follows: simple to operate, blade sling utilize hang hook steelyard just can weigh weight.Two meausring apparatuses can move along guide rail, not only make things convenient for weighing, and satisfy the requirement of measuring blade diverse location moment, and level meter is installed on the bracing or strutting arrangement, guarantee the accuracy of data in the blade weighing process.
Description of drawings
Fig. 1 is the support device structure synoptic diagram;
Fig. 2 is a meausring apparatus master TV structure synoptic diagram;
Fig. 3 is a meausring apparatus plan structure synoptic diagram.
Among the figure: the 1-web joint, the 2-level meter, 3-founds beam, 4-door frame, 5-electric block, 6-hang hook steelyard, 7-electric flat carriage, 8-guide rail.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
As shown in Fig. 1, Fig. 2, Fig. 3, the present invention includes: bracing or strutting arrangement, at least two cover meausring apparatus and guide rails.
Bracing or strutting arrangement comprises web joint 1, level meter 2 and supports upright beam 3; Wherein web joint 1 by rotating shaft with about upright beam 3 levels be connected, and can axially rotate; Three through holes are respectively arranged about on the web joint 1, and the position of through hole, size match with blade root end bolt, thereby make things convenient for 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; About support upright beam 3 and be fixed on the ground by foot bolt, prevent to move; The level meter of fixing on web joint guarantees blade in weighing process, and axis of runner blade is horizontal all the time.
Meausring apparatus is used for the weighing leaf weight, comprises steel door frame 4, electric block 5, hang hook steelyard 6, electric flat carriage 7; Wherein steel door frame 4 is fixed on electric flat carriage 7 middle parts, and can move together along with electric flat carriage 7; Electric block 5 is fixed in the crossbeam middle part of steel door frame 4, links together by wire rope and hang hook steelyard 6 simultaneously, and hang hook steelyard 6 is connected electric block 5 middle parts; Guide rail 8 fixing with ground on, parallel with the blade axial direction, length is determined according to actual needs.Under the drive of electric flat carriage 7, whole meausring apparatus can move together along ground guide 8, and is convenient when measuring moment, is connected by suspender belt between the needs of weighing blade diverse location, hang hook steelyard 6 and blade.
Blade is carried out weight in employing the present invention and the torgue measurement process is as follows:
1. start electric flat carriage 7, a cover meausring apparatus is positioned over the blade root section, an other cover meausring apparatus is positioned over the blade tip section;
2. a suspender belt is passed from blade root section and blade tip section below respectively, two ends hang on hang hook steelyard 6 suspension hooks.Start electric block 5, blade sling, treat hang hook steelyard 6 stable reading after, the 6 reading additions of two hang hook steelyards promptly obtain the blade general assembly (TW);
3. blade root is connected with bracing or strutting arrangement by root end bolt, starts electric flat carriage 7, meausring apparatus is moved to the position of measuring moment, below blade, pass suspender belt, and the suspender belt two ends are hung on hang hook steelyard 6 suspension hooks;
4. start electric block, blade is slowly sling, note observing bracing or strutting arrangement level meter 2, treat to close electric block 5 when blade is horizontal, read hang hook steelyard 6 readings, and calculate blade moment according to the moment formula;
5. need when diverse location is measured moment, then to start electric flat carriage 7, meausring apparatus is moved to the relevant position along guide rail 8, measure once more 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 Weighing system is characterized in that: comprise the meausring apparatus that the butt bracing or strutting arrangement is identical with at least two;
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 meausring apparatus comprises electric flat carriage and the door frame that is fixed on the electric flat carriage, and described door frame upper end is provided with electric block, and described electric block is connected with hang hook steelyard.
2. blade of wind-driven generator balancing Weighing system according to claim 1, it is characterized in that: described door frame is fixed on the middle part on the electric flat carriage.
3. blade of wind-driven generator balancing Weighing system according to claim 1 is characterized in that: described electric block is connected the middle part of door frame upper end.
4. blade of wind-driven generator balancing Weighing system according to claim 1, it is characterized in that: described hang hook steelyard is connected the middle part of electric block.
5. blade of wind-driven generator balancing Weighing system according to claim 1, it is characterized in that: described web joint is provided with level meter.
6. blade of wind-driven generator balancing Weighing system according to claim 1 is characterized in that: described electric flat carriage bottom is provided with guide rail.
7. blade of wind-driven generator balancing Weighing system according to claim 1 is characterized in that: described web joint is provided with the through hole that is complementary with blade root end bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010504700 CN101986111A (en) | 2010-10-13 | 2010-10-13 | Weighing system for counter-balancing blades of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010504700 CN101986111A (en) | 2010-10-13 | 2010-10-13 | Weighing system for counter-balancing blades of wind turbine generator |
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| Publication Number | Publication Date |
|---|---|
| CN101986111A true CN101986111A (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010504700 Pending CN101986111A (en) | 2010-10-13 | 2010-10-13 | Weighing system for counter-balancing blades of wind turbine generator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331326A (en) * | 2011-06-21 | 2012-01-25 | 江苏尔华杰能源设备有限公司 | Method for carrying out balance weighing of wind power generator blade |
| CN103541870A (en) * | 2013-09-26 | 2014-01-29 | 黑龙江天华风电设备制造有限公司 | Balancing method for glass fiber reinforced plastic wind turbine blades |
| CN105333935A (en) * | 2015-12-03 | 2016-02-17 | 北京华程东方科技有限公司 | Online movable weighing device for steel blanks |
| CN108100912A (en) * | 2017-12-21 | 2018-06-01 | 合肥市春华起重机械有限公司 | A kind of multifunctional small-size gantry crane |
| CN108249281A (en) * | 2018-04-08 | 2018-07-06 | 苏州库力铁重工有限公司 | It rises and reuses overload protection device |
| CN111780839A (en) * | 2020-06-30 | 2020-10-16 | 株洲时代新材料科技股份有限公司 | Blade root supporting device for blade weighing and blade weighing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1925583A1 (en) * | 2006-11-23 | 2008-05-28 | Siemens Aktiengesellschaft | Method of handling wind turbine blades and device for mounting wind turbine blades, in particular mounting blades on a wind turbine |
| CN101344422A (en) * | 2008-07-24 | 2009-01-14 | 东方电气集团东方汽轮机有限公司 | Blade weight counterbalance test system of aerogenerator |
| CN201288635Y (en) * | 2009-03-03 | 2009-08-12 | 上海艾郎风电科技发展有限公司 | Counterweight apparatus for wind power generating fin |
| CN201819730U (en) * | 2010-10-13 | 2011-05-04 | 济南轨道交通装备有限责任公司 | Weighing system used for balancing of blades of wind generator |
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2010
- 2010-10-13 CN CN 201010504700 patent/CN101986111A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1925583A1 (en) * | 2006-11-23 | 2008-05-28 | Siemens Aktiengesellschaft | Method of handling wind turbine blades and device for mounting wind turbine blades, in particular mounting blades on a wind turbine |
| CN101344422A (en) * | 2008-07-24 | 2009-01-14 | 东方电气集团东方汽轮机有限公司 | Blade weight counterbalance test system of aerogenerator |
| CN201288635Y (en) * | 2009-03-03 | 2009-08-12 | 上海艾郎风电科技发展有限公司 | Counterweight apparatus for wind power generating fin |
| CN201819730U (en) * | 2010-10-13 | 2011-05-04 | 济南轨道交通装备有限责任公司 | Weighing system used for balancing of blades of wind generator |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331326A (en) * | 2011-06-21 | 2012-01-25 | 江苏尔华杰能源设备有限公司 | Method for carrying out balance weighing of wind power generator blade |
| CN103541870A (en) * | 2013-09-26 | 2014-01-29 | 黑龙江天华风电设备制造有限公司 | Balancing method for glass fiber reinforced plastic wind turbine blades |
| CN105333935A (en) * | 2015-12-03 | 2016-02-17 | 北京华程东方科技有限公司 | Online movable weighing device for steel blanks |
| CN108100912A (en) * | 2017-12-21 | 2018-06-01 | 合肥市春华起重机械有限公司 | A kind of multifunctional small-size gantry crane |
| CN108249281A (en) * | 2018-04-08 | 2018-07-06 | 苏州库力铁重工有限公司 | It rises and reuses overload protection device |
| CN108249281B (en) * | 2018-04-08 | 2023-12-26 | 苏州库力铁重工有限公司 | Overload protection device for lifting |
| CN111780839A (en) * | 2020-06-30 | 2020-10-16 | 株洲时代新材料科技股份有限公司 | Blade root supporting device for blade weighing and blade weighing method |
| CN111780839B (en) * | 2020-06-30 | 2021-10-01 | 株洲时代新材料科技股份有限公司 | Blade root supporting device for blade weighing and blade weighing method |
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Application publication date: 20110316 |