CN201408112Y - Loading test device for fan blade of wind generating set - Google Patents

Loading test device for fan blade of wind generating set Download PDF

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Publication number
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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CN
China
Prior art keywords
load
blade
loading
wind
static
Prior art date
Application number
CN2009201572318U
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Chinese (zh)
Inventor
乐韵斐
乌建中
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上海同韵环保能源科技有限公司
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Application filed by 上海同韵环保能源科技有限公司 filed Critical 上海同韵环保能源科技有限公司
Priority to CN2009201572318U priority Critical patent/CN201408112Y/en
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Publication of CN201408112Y publication Critical patent/CN201408112Y/en

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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

A kind of wind-driven generator group wind-wheel blade load testing machine
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).
CN2009201572318U 2009-05-25 2009-05-25 Loading test device for fan blade of wind generating set CN201408112Y (en)

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Cited By (23)

* Cited by examiner, † Cited by third party
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 apparatus for determining loads of 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 Experiment research device for dynamic characteristics of horizontal axis composite wind turbine blade
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
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
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
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
CN110470501A (en) * 2019-09-18 2019-11-19 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) Mechanical Multipoint synchronous loading device

Cited By (38)

* Cited by examiner, † Cited by third party
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
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
CN103547898A (en) * 2010-12-30 2014-01-29 Lmwp专利控股有限公司 Method and apparatus for determining loads of a wind turbine blade
CN103547898B (en) * 2010-12-30 2017-03-08 Lm Wp 专利控股有限公司 Method and apparatus for determining the load of wind turbine blade
GB2488789B (en) * 2011-03-07 2013-11-06 Vestas Wind Sys As A wind turbine blade tester
CN102680215A (en) * 2011-03-07 2012-09-19 维斯塔斯风力系统有限公司 Wind turbine blade tester
CN102680215B (en) * 2011-03-07 2015-04-22 维斯塔斯风力系统有限公司 Wind turbine blade tester
GB2488789A (en) * 2011-03-07 2012-09-12 Vestas Wind Sys As A wind turbine blade tester
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
CN102621015A (en) * 2012-03-26 2012-08-01 河海大学 Fatigue-testing machine
CN102621015B (en) * 2012-03-26 2013-06-05 河海大学 Fatigue-testing machine
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
CN103512732B (en) * 2012-06-15 2015-11-18 上海同韵环保能源科技有限公司 Fan blade of wind generating set fatigue loading test method
CN104062104A (en) * 2013-03-19 2014-09-24 徐可君 Cyclic test device for fatigue of aeroengine compressor blade
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
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
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
WO2016045684A1 (en) * 2014-09-26 2016-03-31 Vestas Wind Systems A/S Fatigue testing of a wind turbine blade
US10209160B2 (en) 2014-09-26 2019-02-19 Vestas Wind Systems A/S Fatigue testing of a wind turbine blade
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
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
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
CN105334115A (en) * 2015-12-04 2016-02-17 中国飞机强度研究所 Pull rope displacement type deflectometer
CN105628371B (en) * 2016-03-22 2017-12-15 燕山大学 Blade fatigue performance aircraft
CN105628371A (en) * 2016-03-22 2016-06-01 燕山大学 Blade fatigue performance tester
CN106441903A (en) * 2016-09-28 2017-02-22 内蒙古工业大学 Experiment research device for dynamic characteristics of horizontal axis composite wind turbine blade
CN106441903B (en) * 2016-09-28 2018-06-12 内蒙古工业大学 A kind of trunnion axis wind machine's laminae made from composite material study dynamic properties device
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
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
CN107091684B (en) * 2017-04-24 2020-02-21 北京航空航天大学 Device for obtaining vibration phase of blade in controllable vibration mode
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
CN110470501A (en) * 2019-09-18 2019-11-19 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) Mechanical Multipoint synchronous loading device
CN110470501B (en) * 2019-09-18 2021-03-09 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) Mechanical multipoint synchronous loading device

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