CN201408112Y - Loading test device for fan blade of wind generating set - Google Patents
Loading test device for fan blade of wind generating set Download PDFInfo
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- CN201408112Y CN201408112Y CN2009201572318U CN200920157231U CN201408112Y CN 201408112 Y CN201408112 Y CN 201408112Y CN 2009201572318 U CN2009201572318 U CN 2009201572318U CN 200920157231 U CN200920157231 U CN 200920157231U CN 201408112 Y CN201408112 Y CN 201408112Y
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 230000003068 static effect Effects 0.000 claims abstract description 33
- 230000007704 transition Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000004088 simulation Methods 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 abstract 2
- 230000035939 shock Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to equipment for a full-scale simulation loading test of a fan blade, particularly to a loading test device for a fan blade of a wind generating set. The loading test deviceis used by transversely fixing a blade to be tested on a static loading test support through a flange bolt, and adopting a horizontal lateral pulling loading manner to conduct multipoint static loading of the blade by pulling a wire rope through a hydraulic winch; and transversely fixing the blade to be tested on a fatigue loading test support through a flange bolt, and adopting an inertial mass vertical shock excitation loading manner to conduct vertical shock excitation fatigue loading of the blade through the centrifugal force generated by rotation of an eccentric wheel. The device can conduct full-scale static loading test and fatigue loading test of the fan blade of a 1 to 5 MW wind generating set; adopts the hydraulic winch to conduct multipoint horizontal lateral pulling to realizestable long-distance continuous static loading of a high-flexibility blade, with saved occupied space; and can automatically generate and real-time display loading time-load curve, loading time-bladedeflection curve and other curves.
Description
Technical field:
The utility model relates to a kind of wind-driven generator group wind-wheel blade load testing machine, especially relates to a kind of equipment that is used for fan blade full-scale simulation load test.
Background technology:
(fan blade of 1MW～5MW) carries out full-scale static(al) load test and tired load test and builds wind-driven generator group wind-wheel blade load testing machine, is present domestic maximum, the most perfect blade load testing machine at MW class specially; Blade static(al) load testing machine takes horizontal side to the traction load mode, by the hydraulic wireline winch pull line wind wheel blade is carried out the multiple spot static(al) simultaneously and loads; The maximum side direction moment of flexure of 25000KNm and the side force of 1000KN can be born by static(al) load test bearing and blade connecting flange place; The tired load testing machine of wind wheel blade is taked the vertical exciting load mode of inertial mass; The maximum perpendicular direction moment of flexure of 12000KNm and the vertical force of 500KN can be born by tired load test bearing and blade connecting flange place; The height of each load(ing) point is adjustable up and down by being arranged on the transition fixed pulley that loads on the column, and to adapt to the blade of different size, wherein the overall dimensions of 5MW blade is long 65m, the wide 4.6m of largest chord, blade root diameter 3.2m; Its mounting center height is 3.1m.
The utility model content:
The purpose of this utility model provides a kind of wind-driven generator group wind-wheel blade load testing machine, and it can carry out full-scale static(al) load test and tired load test to 1MW～5MW wind-driven generator group wind-wheel blade; Adopt hydraulic wireline winch to carry out the multiple spot horizontal side, realize that the continuous static(al) of long distance of big flexibility blade loads, steadily, continuously, and save occupation of land space, its maximum load load 250KN, loading accuracy≤1.0%F.S. to traction; Can carry out 8 static(al)s simultaneously and load, its maximum load moment of flexure to root of blade reaches 25000KNm; Predeterminable Auto Loader carries out hierarchical loading and unloading step by step to each load(ing) point respectively; Automatically generate and show in real time load time-loaded load, the load time-curves such as blade amount of deflection.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: it is made up of Centralized Monitoring computer system 1, loading column 2, geosyncline 3, load test basic platform 4, static(al) load test bearing 5, tired load test bearing 6, tested wind wheel blade 7, eccentric wheel vibrator 8, loading anchor ear 9, stay-supported displacement transducer 10, transition fixed pulley 11, travelling block 12, force transducer 13, pull line 14, local control box 15, hydraulic power unit 16, transition fixed pulley 17 and hydraulic wireline winch 18; Described static(al) load test is that tested wind wheel blade 7 passes through the flange bolt crosswise fixed on static(al) load test bearing 5, takes horizontal side to the traction load mode, carries out the multiple spot static(al) simultaneously by 14 pairs of blades of hydraulic wireline winch pull line and loads; Horizontal side loads by force transducer to the traction static(al) and detects the each point loading force, is detected the amount of deflection of each load(ing) point of blade by the stay-supported displacement transducer; Described tired load test is that tested wind wheel blade 7 passes through the flange bolt crosswise fixed on tired load test bearing 6, takes the vertical exciting load mode of inertial mass, and the centrifugal force that produces by the eccentric wheel rotation carries out the tired loading of vertical exciting to blade; Described Centralized Monitoring computer system 1 is to adjust the tractive force of each point hydraulic wireline winch by network, and blade is carried out hierarchical loading and unloading step by step, and in this process, generation also shows loading data and curve in real time automatically.
The course of work: arrange independently hydraulic loading device of some covers along vertical geosyncline of tested blade, by the traction of each charger hydraulic wireline winch tested blade is carried out the multiple spot horizontal side and load to static(al); For adapting to the blade of different size, the height of each load(ing) point is adjustable up and down by being arranged on the transition fixed pulley that loads on the column, and the absolute altitude scope of adjusting is up to 4000mm, and minimum is 1400mm; Preestablish Auto Loader, respectively each load(ing) point is carried out hierarchical loading and unloading step by step; Force transducer detects the each point loading force, by Centralized Monitoring computer control each point hydraulic wireline winch tractive force, the test load that requires that final loaded load is not less than set, the highest loaded load be no more than set require test load+1%; Maximum load load is 250KN; Loading velocity is adjustable according to loading needs, is generally 0.4～0.6m/min; Maximum load speed is 1m/min; Displacement transducer detects tested blade each point amount of deflection, and amount of deflection detects error and is no more than ± 0.3%F.S.; The maximum defluxion range is 12000mm; Man-machine interface shows loaded load, loading velocity, load time and blade amount of deflection in real time; Automatically generate, record, preserve and output load time-loaded load, the load time-curves such as blade amount of deflection.
The utlity model has following beneficial effect: can carry out the full-scale simulation load test to 1MW～5MW wind-driven generator group wind-wheel blade; Can carry out full-scale static(al) load test and tired load test to blade; Adopt hydraulic wireline winch to carry out the multiple spot horizontal side, realize that the continuous static(al) of long distance of big flexibility blade loads, steadily, continuously, and save occupation of land space, its maximum load load 250KN, loading accuracy≤1.0%F.S. to traction; Can carry out 8 static(al)s simultaneously and load, its maximum load moment of flexure to root of blade reaches 25000KNm; Predeterminable Auto Loader carries out hierarchical loading and unloading step by step to each load(ing) point respectively; Automatically generate and show in real time load time-loaded load, the load time-curves such as blade amount of deflection.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to structural representation.
Embodiment:
Referring to Fig. 1-2, this embodiment by the following technical solutions: it by Centralized Monitoring computer system 1, load column 2, geosyncline 3, load test basic platform 4, static(al) load test bearing 5, tired load test bearing 6, tested wind wheel blade 7, eccentric wheel vibrator 8, load anchor ear 9, stay-supported displacement transducer 10, transition fixed pulley 11, travelling block 12, force transducer 13, pull line 14, local control box 15, hydraulic power unit 16, transition fixed pulley 17 and hydraulic wireline winch 18 and form; Described tested wind wheel blade 7 on static(al) load test support 5, takes horizontal side to the traction load mode by the flange bolt crosswise fixed, carries out the multiple spot static(al) simultaneously by 14 pairs of blades of hydraulic wireline winch pull line and loads; Horizontal side loads by force transducer to the traction static(al) and detects the each point loading force, is detected the amount of deflection of each load(ing) point of blade by the stay-supported displacement transducer; Described tested wind wheel blade 7 on tired load test support 6, is taked the vertical exciting load mode of inertial mass by the flange bolt crosswise fixed, and the centrifugal force that produces by the eccentric wheel rotation carries out the tired loading of vertical exciting to blade; Described Centralized Monitoring computer system 1 is to adjust the tractive force of each point hydraulic wireline winch by network, and blade is carried out hierarchical loading and unloading step by step, and in this process, generation also shows loading data and curve in real time automatically.
Blade static(al) load test: tested wind wheel blade 7 is passed through the flange bolt crosswise fixed on static(al) load test bearing 5, take horizontal side to the traction load mode, come pull line by each hydraulic wireline winch that loads in the column, blade is carried out the multiple spot static(al) simultaneously load; Detect the each point loading force by the force transducer that is connected on the pull line; Detect the amount of deflection of each load(ing) point of blade by displacement transducer; The Centralized Monitoring computer system is carried out hierarchical loading and unloading step by step by the tractive force of network adjustment each point hydraulic wireline winch to blade, in this process, generates automatically and real-time loading data and the curve of showing;
The tired load test of blade: tested wind wheel blade 7 is passed through the flange bolt crosswise fixed on tired load test bearing 6, take the vertical exciting load mode of inertial mass, the centrifugal force that produces by the eccentric wheel rotation carries out the tired load test of vertical exciting to blade.
The utility model can carry out full-scale static(al) load test and tired load test to 1MW～5MW wind-driven generator group wind-wheel blade; Adopt hydraulic wireline winch to carry out the multiple spot horizontal side, realize that the continuous static(al) of long distance of big flexibility blade loads, steadily, continuously, and save occupation of land space, its maximum load load 250KN, loading accuracy≤1.0%F.S. to traction; Can carry out 8 static(al)s simultaneously and load, its maximum load moment of flexure to root of blade reaches 25000KNm; Predeterminable Auto Loader carries out hierarchical loading and unloading step by step to each load(ing) point respectively; Automatically generate and show in real time load time-loaded load, the load time-curves such as blade amount of deflection.
The course of work: arrange independently hydraulic loading device of some covers along vertical geosyncline of tested blade, by the traction of each charger hydraulic wireline winch tested blade is carried out the multiple spot horizontal side and load to static(al); For adapting to the blade of different size, the height of each load(ing) point is adjustable up and down by being arranged on the transition fixed pulley that loads on the column, and the absolute altitude scope of adjusting is up to 4000mm, and minimum is 1400mm; Preestablish Auto Loader, respectively each load(ing) point is carried out hierarchical loading and unloading step by step; Force transducer detects the each point loading force, by Centralized Monitoring computer control each point hydraulic wireline winch tractive force, the test load that requires that final loaded load is not less than set, the highest loaded load be no more than set require test load+1%; Maximum load load is 250KN; Loading velocity is adjustable according to loading needs, is generally 0.4～0.6m/min; Maximum load speed is 1m/min; Displacement transducer detects tested blade each point amount of deflection, and amount of deflection detects error and is no more than ± 0.3%F.S.; The maximum defluxion range is 12000mm; Man-machine interface shows loaded load, loading velocity, load time and blade amount of deflection in real time; Automatically generate, record, preserve and output load time-loaded load, the load time-curves such as blade amount of deflection.
Claims (3)
1, a kind of wind-driven generator group wind-wheel blade load testing machine is characterized in that it is by Centralized Monitoring computer system (1), load column (2), geosyncline (3), load test basic platform (4), static(al) load test bearing (5), tired load test bearing (6), tested wind wheel blade (7), eccentric wheel vibrator (8), load anchor ear (9), stay-supported displacement transducer (10), transition fixed pulley (11), travelling block (12), force transducer (13), pull line (14), local control box (15), hydraulic power unit (16), transition fixed pulley (17) and hydraulic wireline winch (18) are formed.
2, a kind of wind-driven generator group wind-wheel blade load testing machine according to claim 1 is characterized in that described tested wind wheel blade (7) passes through the flange bolt crosswise fixed on static(al) load test bearing (5).
3, a kind of wind-driven generator group wind-wheel blade load testing machine according to claim 1 is characterized in that described tested wind wheel blade (7) passes through the flange bolt crosswise fixed on tired load test bearing (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201572318U CN201408112Y (en) | 2009-05-25 | 2009-05-25 | Loading test device for fan blade of wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201572318U CN201408112Y (en) | 2009-05-25 | 2009-05-25 | Loading test device for fan blade of wind generating set |
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| CN201408112Y true CN201408112Y (en) | 2010-02-17 |
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| CN2009201572318U Expired - Fee Related CN201408112Y (en) | 2009-05-25 | 2009-05-25 | Loading test device for fan blade of wind generating set |
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Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949731A (en) * | 2010-08-13 | 2011-01-19 | 株洲时代新材料科技股份有限公司 | Method for testing high-order frequency of large wind-power blades |
| CN102175449A (en) * | 2011-03-18 | 2011-09-07 | 天津工业大学 | Blade fault diagnostic method based on strain energy response of wind-driven generator |
| CN102393331A (en) * | 2011-04-07 | 2012-03-28 | 常州市华立液压润滑设备有限公司 | Fatigue and strength test table of wind-power blade |
| CN102455264A (en) * | 2010-12-27 | 2012-05-16 | 中航惠腾风电设备股份有限公司 | Multi-point loading and side-pulling testing apparatus for static tests on blades of large wind turbines |
| CN102621015A (en) * | 2012-03-26 | 2012-08-01 | 河海大学 | Fatigue-testing machine |
| GB2488789A (en) * | 2011-03-07 | 2012-09-12 | Vestas Wind Sys As | A wind turbine blade tester |
| CN103245576A (en) * | 2013-04-27 | 2013-08-14 | 中国人民解放军国防科学技术大学 | Wind power generator blade fatigue testing device and method |
| CN103512732A (en) * | 2012-06-15 | 2014-01-15 | 上海同韵环保能源科技有限公司 | Wind turbine generator system wind turbine blade fatigue loading test device and method |
| CN103547898A (en) * | 2010-12-30 | 2014-01-29 | Lmwp专利控股有限公司 | Method and arrangement for determining loads on a wind turbine blade |
| CN104062104A (en) * | 2013-03-19 | 2014-09-24 | 徐可君 | Cyclic test device for fatigue of aeroengine compressor blade |
| CN104655374A (en) * | 2015-01-04 | 2015-05-27 | 哈尔滨飞机工业集团有限责任公司 | Inspection tool for blade flapping deflection |
| CN105334115A (en) * | 2015-12-04 | 2016-02-17 | 中国飞机强度研究所 | Pull rope displacement type deflectometer |
| WO2016045684A1 (en) * | 2014-09-26 | 2016-03-31 | Vestas Wind Systems A/S | Fatigue testing of a wind turbine blade |
| CN105466672A (en) * | 2014-09-12 | 2016-04-06 | 中航惠腾风电设备股份有限公司 | Fatigue test method of wind wheel blade and application of method in full-size fatigue test |
| CN105628371A (en) * | 2016-03-22 | 2016-06-01 | 燕山大学 | Blade fatigue performance tester |
| CN105784274A (en) * | 2014-12-16 | 2016-07-20 | 中材科技风电叶片股份有限公司 | Large-sized vane static test system |
| CN106153457A (en) * | 2015-03-25 | 2016-11-23 | 北京博比风电科技有限公司 | Direct wind-driven generator group dead axle strength calculation method |
| CN106441903A (en) * | 2016-09-28 | 2017-02-22 | 内蒙古工业大学 | An experimental research device for dynamic characteristics of horizontal axis composite wind turbine blades |
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| CN110220688A (en) * | 2019-07-02 | 2019-09-10 | 上海电气风电集团有限公司 | Method for testing fatigue for blade of wind-driven generator |
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2009
- 2009-05-25 CN CN2009201572318U patent/CN201408112Y/en not_active Expired - Fee Related
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| CN101949731A (en) * | 2010-08-13 | 2011-01-19 | 株洲时代新材料科技股份有限公司 | Method for testing high-order frequency of large wind-power blades |
| CN101949731B (en) * | 2010-08-13 | 2011-12-14 | 株洲时代新材料科技股份有限公司 | Method for testing high-order frequency of large wind-power blades |
| CN102455264B (en) * | 2010-12-27 | 2014-02-12 | 中航惠腾风电设备股份有限公司 | Multi-point loading and side-pulling testing apparatus for static tests on blades of large wind turbines |
| CN102455264A (en) * | 2010-12-27 | 2012-05-16 | 中航惠腾风电设备股份有限公司 | Multi-point loading and side-pulling testing apparatus for static tests on blades of large wind turbines |
| CN103547898B (en) * | 2010-12-30 | 2017-03-08 | Lm Wp 专利控股有限公司 | Method and arrangement for determining loads on a wind turbine blade |
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| CN103512732A (en) * | 2012-06-15 | 2014-01-15 | 上海同韵环保能源科技有限公司 | Wind turbine generator system wind turbine blade fatigue loading test device and method |
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| CN103245576B (en) * | 2013-04-27 | 2015-09-23 | 中国人民解放军国防科学技术大学 | Wind power generator blade fatigue test unit and test method |
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| CN105334115A (en) * | 2015-12-04 | 2016-02-17 | 中国飞机强度研究所 | Pull rope displacement type deflectometer |
| CN105628371A (en) * | 2016-03-22 | 2016-06-01 | 燕山大学 | Blade fatigue performance tester |
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| CN106441903B (en) * | 2016-09-28 | 2018-06-12 | 内蒙古工业大学 | An experimental research device for dynamic characteristics of horizontal axis composite wind turbine blades |
| CN106441903A (en) * | 2016-09-28 | 2017-02-22 | 内蒙古工业大学 | An experimental research device for dynamic characteristics of horizontal axis composite wind turbine blades |
| CN107957326A (en) * | 2016-10-17 | 2018-04-24 | 中国人民解放军装甲兵工程学院 | A kind of testing machine |
| CN107091684B (en) * | 2017-04-24 | 2020-02-21 | 北京航空航天大学 | A device for obtaining the vibration phase of the blade under the controllable vibration form |
| CN107091684A (en) * | 2017-04-24 | 2017-08-25 | 北京航空航天大学 | A kind of device for obtaining vibration phase under blade controllable vibration form |
| CN110220688A (en) * | 2019-07-02 | 2019-09-10 | 上海电气风电集团有限公司 | Method for testing fatigue for blade of wind-driven generator |
| CN110220688B (en) * | 2019-07-02 | 2020-09-11 | 上海电气风电集团股份有限公司 | Fatigue testing method for wind driven generator blade |
| CN110231162A (en) * | 2019-07-22 | 2019-09-13 | 上海电气风电集团有限公司 | The method for testing fatigue of wind electricity blade |
| CN110553902A (en) * | 2019-07-26 | 2019-12-10 | 中国航空工业集团公司济南特种结构研究所 | device for ensuring position precision of loading point of radome test |
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| CN113670739A (en) * | 2021-08-17 | 2021-11-19 | 无锡瑞来检测科技有限公司 | Helicopter main rotating blade fatigue test device |
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| CN114509360A (en) * | 2022-02-25 | 2022-05-17 | 上海电气鼓风机厂有限公司 | Low-temperature fatigue test device for carbon fiber blade |
| CN115201022A (en) * | 2022-05-30 | 2022-10-18 | 上海电气风电集团股份有限公司 | A method for distributed loading and load evaluation of fan blades |
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