CN201464169U - Excitation method experimental device for fatigue test of large-sized wind power vanes - Google Patents
Excitation method experimental device for fatigue test of large-sized wind power vanes Download PDFInfo
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- CN201464169U CN201464169U CN2009200975824U CN200920097582U CN201464169U CN 201464169 U CN201464169 U CN 201464169U CN 2009200975824 U CN2009200975824 U CN 2009200975824U CN 200920097582 U CN200920097582 U CN 200920097582U CN 201464169 U CN201464169 U CN 201464169U
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Abstract
An excitation method experimental device for fatigue test of large-sized wind power vanes is formed by a vibration exciter and a vane clamp which are connected. The vibration exciter is provided with a motor equipped with a speed reducer, an output shaft of the speed reducer is connected with a cross link, the external end of the cross link is provided with a counterweight shaft lever which is sleeved with a counterweight body, and the vane clamp is connected below a motor base. The counterweight body on the counterweight shaft lever consists of a plurality of pieces. The vane clamp comprises an upper clamp plate and a lower clamp plate, an upper press plate matching with the upper surface of a large-sized wind power vane is connected below the upper clamp plate, and a lower press plate matching with the lower surface of the large-sized wind power vane is connected above the lower clamp plate. Connecting bolts are arranged on peripheries of the upper clamp plate and the lower clamp plate. The counterweight body is connected below the lower clamp plate. The excitation method experimental device is simple in structure, durable in use and high in strength and precision. Further, the excitation method experimental device has the largest advantage of low cost.
Description
Technical field
The utility model belongs to wind-powered electricity generation machine blade test unit, the advocate approach test unit of particularly a kind of large-scale wind electricity blade torture test.
Background technology
Wind power technology is a new industry, and is the green energy resource industry of high speed development; Realize finishing voluntarily the tired type approval test of large-scale wind electricity blade.The tired pattern test unit of large-scale wind electricity blade is existing abroad, all is to utilize displacement method or force method directly to force blade to move back and forth in the experiment direction by the large hydraulic device, up to the cycle index that reaches the torture test requirement.Such device necessarily requires application of high strength, high power source (both high energy consumptions, expensive), high precision, super anti-abrasive material or the like.In a word, the acquisition expenses of experimental provision is very high, does not necessarily wait from millions of to several.
Summary of the invention
Technical problem to be solved in the utility model is: the advocate approach test unit that the torture test of a kind of large-scale wind electricity blade is provided.
The technical solution of the utility model is:
The advocate approach test unit of a kind of large-scale wind electricity blade torture test is characterized in that: connected to form by vibrational excitation machine and blade fixture; The vibrational excitation machine has the motor that has reductor, connects tranverse connecting rod on the output shaft of reductor, and there is the counterweight axostylus axostyle parallel with motor shaft the tranverse connecting rod outer end, is installed with balance weight body on the counterweight axostylus axostyle; Below motor cabinet, connect blade fixture.
Balance weight body on the counterweight axostylus axostyle is made up of multi-disc, and the balancer shaft boom end has stop nut.
Blade fixture has train wheel bridge and lower plate, and the train wheel bridge below is connected with the top board that matches with large-scale wind electricity blade upper surface; The lower plate top is connected with the lower platen that matches with large-scale wind electricity blade lower surface, and coupling bolt is arranged around train wheel bridge and the lower plate.
The lower plate below is connected with balance weight body.
The balance weight body of lower plate below is made up of multi-disc, and there is bolt the lower plate below, and the balance weight body that multi-disc is formed is loaded on the bolt of lower plate below, and hold-down nut is arranged on the bolt.
The utility model effect is:
This invention is the experimental provision about the tired type approval test of large-scale wind electricity blade, its principle is to use excitation method to make the experiment blade do iterative motion under desired load on the experiment direction, up to satisfying desired cycle index, thereby realize the torture test of blade.This apparatus structure is simple, durable, has high strength, high precision.The maximum characteristics cost of this experimental provision is low.
Description of drawings
Fig. 1 is the structural representation of the advocate approach test unit of large-scale wind electricity blade torture test
Fig. 2 is the advocate approach test synoptic diagram of large-scale wind electricity blade torture test
Embodiment
As this large-scale wind electricity of Fig. 1 blade torture test excitation method test unit, the experimental provision that adopts excitation method blade to be carried out tired type approval test:
The advocate approach test unit of a kind of large-scale wind electricity blade torture test is connected to form by vibrational excitation machine and blade fixture; The vibrational excitation machine has the motor 1 that has reductor, connects tranverse connecting rod 2 on the output shaft of reductor, and there is the counterweight axostylus axostyle 3 parallel with motor shaft the tranverse connecting rod outer end, is installed with balance weight body 4 on the counterweight axostylus axostyle; Below motor cabinet 5, connect blade fixture.
Balance weight body on the counterweight axostylus axostyle is made up of multi-disc, and the balancer shaft boom end has stop nut 6.
Blade fixture has train wheel bridge 7 and lower plate 8, and the train wheel bridge below is connected with the top board 9 that matches with large-scale wind electricity blade upper surface; The lower plate top is connected with the lower platen 10 that matches with large-scale wind electricity blade lower surface, and coupling bolt 11 is arranged around train wheel bridge and the lower plate.
The lower plate below is connected with balance weight body 12.The balance weight body of lower plate below is made up of multi-disc, and there is bolt 13 the lower plate below, and the balance weight body that multi-disc is formed is loaded on the bolt of lower plate below, and hold-down nut 14 is arranged on the bolt.
Be experimental principle as shown in Figure 2, the blade middle part is to the escapement (dynamic load) of motor of certain stationkeeping (deadweight is static load) driving of this section between the blade tip, in order to apply static load and dynamic load, the frequency of dynamic load is near the natural frequency of blade, make it to produce resonance with blade, and the tip segment that makes blade thus produces the very swing of large amplitude, will be subjected to certain load at blade root to dangerouse cross-section place like this, when this load satisfies certain when big or small, and when cycle index reaches certain numerical value, the suffered fatigue load of blade that Here it is; It is the tired pattern test portion of blade.
Charger is described: these anchor clamps mainly provide power by the reductor motor, and tranverse connecting rod one end is installed on the speed reducer output shaft, and the tranverse connecting rod other end is installed balancing disk, and speed reducer output shaft drives the balancing disk rotation by tranverse connecting rod during work.The reductor motor is installed on the electric machine support, and electric machine support is installed on the clamp body, clamp body divides upper bracket and lower carriage two parts, upper bracket and lower carriage are by channel-section steel, square tube and fiberglass are with compositions such as type clamps, this upper bracket and lower carriage are clamped blade by 4 M30 bolts, make blade, clamp body, the reductor motor, connecting rod, balancing disks etc. consist of one, when balancing disk reaches the highest with the rotation of speed reducer output shaft, during minimum point, blade then with on, lower swing can be adjusted blade amplitude and frequency by adjusting motor speed and balancing disk quality.
Claims (5)
1. the advocate approach test unit of large-scale wind electricity blade torture test is characterized in that: connected to form by vibrational excitation machine and blade fixture; The vibrational excitation machine has the motor that has reductor, connects tranverse connecting rod on the output shaft of reductor, and there is the counterweight axostylus axostyle parallel with motor shaft the tranverse connecting rod outer end, is installed with balance weight body on the counterweight axostylus axostyle; Below motor cabinet, connect blade fixture.
2. the advocate approach test unit of large-scale wind electricity blade according to claim 1 torture test is characterized in that: the balance weight body on the counterweight axostylus axostyle is made up of multi-disc, and the balancer shaft boom end has stop nut.
3. the advocate approach test unit of large-scale wind electricity blade according to claim 1 torture test is characterized in that: blade fixture has train wheel bridge and lower plate, and the train wheel bridge below is connected with the top board that matches with large-scale wind electricity blade upper surface; The lower plate top is connected with the lower platen that matches with large-scale wind electricity blade lower surface, and coupling bolt is arranged around train wheel bridge and the lower plate.
4. the advocate approach test unit of large-scale wind electricity blade according to claim 3 torture test is characterized in that: the lower plate below is connected with balance weight body.
5. the advocate approach test unit of large-scale wind electricity blade according to claim 4 torture test, it is characterized in that: the balance weight body of lower plate below is made up of multi-disc, there is bolt the lower plate below, and the balance weight body that multi-disc is formed is loaded on the bolt of lower plate below, and hold-down nut is arranged on the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200975824U CN201464169U (en) | 2009-07-02 | 2009-07-02 | Excitation method experimental device for fatigue test of large-sized wind power vanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200975824U CN201464169U (en) | 2009-07-02 | 2009-07-02 | Excitation method experimental device for fatigue test of large-sized wind power vanes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201464169U true CN201464169U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200975824U Expired - Lifetime CN201464169U (en) | 2009-07-02 | 2009-07-02 | Excitation method experimental device for fatigue test of large-sized wind power vanes |
Country Status (1)
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| CN (1) | CN201464169U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156040A (en) * | 2011-03-02 | 2011-08-17 | 株洲时代新材料科技股份有限公司 | Method for controlling rotation eccentricity mass and load during wind turbine blade fatigue test |
| 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 |
| CN104062104A (en) * | 2013-03-19 | 2014-09-24 | 徐可君 | Cyclic test device for fatigue of aeroengine compressor blade |
| CN104792516A (en) * | 2015-05-13 | 2015-07-22 | 中国科学院工程热物理研究所 | Device and method for testing structural fatigue of H-shaped vertical shaft wind turbine blade |
| CN106840928A (en) * | 2017-04-19 | 2017-06-13 | 山东理工大学 | Wind electricity blade fatigue loading experimental rig |
| CN107076659A (en) * | 2014-11-06 | 2017-08-18 | 赛峰航空器发动机 | Peel test sample |
| CN107121276A (en) * | 2017-06-27 | 2017-09-01 | 华北电力大学（保定） | A kind of high-power wind mill blade fatigue test loading device |
| CN108760260A (en) * | 2018-05-08 | 2018-11-06 | 中国科学院工程热物理研究所 | A kind of fatigue experimental device and method for wind electricity blade load alternation pneumatic load |
| CN109185244A (en) * | 2018-11-12 | 2019-01-11 | 兰州理工大学 | Hydraulic system matched with wind electricity blade biaxial fatigue test platform |
| 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 |
| CN112414697A (en) * | 2021-01-25 | 2021-02-26 | 南昌工程学院 | Wind power blade degree of freedom fatigue loading control method, device and system |
| CN113390617A (en) * | 2021-04-30 | 2021-09-14 | 洛阳双瑞风电叶片有限公司 | Modular tool for fatigue test of wind power blade |
| CN115077823A (en) * | 2022-05-10 | 2022-09-20 | 中国航发湖南动力机械研究所 | Vibration fatigue test device and vibration fatigue test method for reducing invalid parts |
-
2009
- 2009-07-02 CN CN2009200975824U patent/CN201464169U/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156040B (en) * | 2011-03-02 | 2012-12-12 | 株洲时代新材料科技股份有限公司 | Method for controlling rotation eccentricity mass and load during wind turbine blade fatigue test |
| CN102156040A (en) * | 2011-03-02 | 2011-08-17 | 株洲时代新材料科技股份有限公司 | Method for controlling rotation eccentricity mass and load during wind turbine blade fatigue test |
| 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 |
| 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 |
| 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 |
| CN107076659A (en) * | 2014-11-06 | 2017-08-18 | 赛峰航空器发动机 | Peel test sample |
| CN104792516A (en) * | 2015-05-13 | 2015-07-22 | 中国科学院工程热物理研究所 | Device and method for testing structural fatigue of H-shaped vertical shaft wind turbine blade |
| CN106840928B (en) * | 2017-04-19 | 2019-02-01 | 山东理工大学 | Wind electricity blade fatigue loading experimental rig |
| CN106840928A (en) * | 2017-04-19 | 2017-06-13 | 山东理工大学 | Wind electricity blade fatigue loading experimental rig |
| CN107121276A (en) * | 2017-06-27 | 2017-09-01 | 华北电力大学（保定） | A kind of high-power wind mill blade fatigue test loading device |
| CN108760260A (en) * | 2018-05-08 | 2018-11-06 | 中国科学院工程热物理研究所 | A kind of fatigue experimental device and method for wind electricity blade load alternation pneumatic load |
| CN108760260B (en) * | 2018-05-08 | 2020-04-17 | 中国科学院工程热物理研究所 | Fatigue test device and method for loading alternating pneumatic load on wind power blade |
| CN109185244A (en) * | 2018-11-12 | 2019-01-11 | 兰州理工大学 | Hydraulic system matched with wind electricity blade biaxial fatigue test platform |
| 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 |
| CN112414697A (en) * | 2021-01-25 | 2021-02-26 | 南昌工程学院 | Wind power blade degree of freedom fatigue loading control method, device and system |
| CN113390617A (en) * | 2021-04-30 | 2021-09-14 | 洛阳双瑞风电叶片有限公司 | Modular tool for fatigue test of wind power blade |
| CN115077823A (en) * | 2022-05-10 | 2022-09-20 | 中国航发湖南动力机械研究所 | Vibration fatigue test device and vibration fatigue test method for reducing invalid parts |
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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: 20100512 |
|
| CX01 | Expiry of patent term |