CN106680119A - Electric reciprocating type fatigue loading testing apparatus suitable for wind power blade - Google Patents
Electric reciprocating type fatigue loading testing apparatus suitable for wind power blade Download PDFInfo
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- CN106680119A CN106680119A CN201710117130.7A CN201710117130A CN106680119A CN 106680119 A CN106680119 A CN 106680119A CN 201710117130 A CN201710117130 A CN 201710117130A CN 106680119 A CN106680119 A CN 106680119A
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- 239000002131 composite material Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 7
- 238000009661 fatigue test Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
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Abstract
The invention discloses an electric reciprocating type fatigue loading testing apparatus suitable for a wind power blade. The electric reciprocating type fatigue loading testing apparatus comprises a wind power blade clamp, a first vertical electric loading module, a second vertical electric loading module, a first transverse electric loading module and a second transverse electric loading module, wherein the wind power blade clamp is arranged on the cross section of a certain section of the wind power blade in a sleeving manner; the first vertical electric loading module is arranged at the front end of the wind power blade clamp; the second vertical electric loading module is arranged at the rear end of the wind power blade clamp; the first transverse electric loading module is arranged at the top end of the wind power blade clamp; the second transverse electric loading module is arranged at the bottom end of the wind power blade clamp; and the first vertical electric loading module and the second vertical electric loading module are used for performing vertical reciprocating type fatigue loading on the wind power blade, and the first transverse electric loading module and the second transverse electric loading module are used for performing transverse reciprocating type fatigue loading on the wind power blade. Therefore, a complex fatigue loading test on the wind power blade in a waving direction and in a swing vibration direction at the same time can be achieved.
Description
Technical field
The present invention relates to technology fatigue test technology field, is specifically related to a kind of electric reciprocating suitable for wind electricity blade
Formula fatigue loading assay device.
Background technology
Wind-power electricity generation is that a kind of kinetic energy kept watch with wind power generating set is transformed into mechanical energy, then mechanical energy is converted into
The technology of electric energy, and the wind wheel of wind power generating set is the vitals that the kinetic energy kept watch is changed into mechanical energy, wind wheel generally by
Several compositions of the blade with helicoid.When wind is to blade, aerodynamic force is produced on blade and drives wind wheel to rotate.Thus, leaf
The Airfoil Design and version of piece can directly affect the performance and power of wind power generating set.
Due to blade be directly with air contact, therefore, blade material therefor will directly affect its life-span.To guarantee
In the wild extremely in rugged environment can chronically safe operation, propose that density is little, fatigue resistance is high to blade material,
The requirement of excellent in mechanical performance.For reliability of the pilot blade in whole life cycle, it usually needs blade is resisted
Fatigue test.
As Chinese utility model patent (U of CN 201540229) discloses a kind of megawatt-level wind turbines vane fatigue examination
Experiment device, it is by blade clamping tooling, joint jointing, force transducer, big displacement hydraulic-servo-load actuator, a support group
Seat and fatigue test control system are constituted, wherein, support pedestal to be connected with big displacement hydraulic-servo-load actuator, big displacement
Hydraulic-servo-load actuator is connected with force transducer, and force transducer is connected with joint jointing, joint jointing and leaf
Piece clamping tooling connects, and fatigue test control system is connected with big displacement hydraulic-servo-load actuator.The megawatt-level wind machine
Group blade fatigue test device is vertically loaded using hydraulic coupling to blade, so as to carry out waving the fatigue loading test on direction.
But, this kind of megawatt-grade wind generator set vane fatigue can only carry out the fatigue loading test that blade is waved on direction,
And cannot simultaneously carry out the test of the fatigue loading in blade edgewise direction.Also, this kind of employing big displacement hydraulic-servo-load is made
Dynamic device carries out forcing loading to need to consume more energy to wind electricity blade.
For above-mentioned situation, Chinese invention patent (U of CN 202471379) discloses a kind of shimmy side of large-scale wind wheel blade
To fatigue experimental device, comprising vibrator and blade fixture, there is adjustable speed motor on vibrator, on the output shaft of adjustable speed motor
Connection tranverse connecting rod, tranverse connecting rod outer end connection counterweight axostylus axostyle, has balance weight body on counterweight axostylus axostyle, in the side connection blade folder of motor cabinet
Tool.Described large-scale wind wheel blade edgewise direction fatigue experimental device, using resonance test method principle and less than wind wheel
Exciting wind wheel blade in the very narrow frequency range of Natural Frequency of Blade, makes wind wheel blade circulate under edgewise direction and transports repeatedly
It is dynamic, until meeting required cycle-index, so as to realize the fatigue test of wind wheel blade edgewise direction.
But, either above-mentioned megawatt-grade wind generator set vane fatigue, or above-mentioned large-scale wind wheel leaf
Piece edgewise direction fatigue experimental device, cannot carry out vertical and horizontal composite fatigue load test to blade simultaneously.Thus
Depart from the actually used operating mode of blade, loading effect is not satisfactory, this allows for the reliability of fatigue loading test and test knot
The accuracy of fruit has much room for improvement.
The content of the invention
For the above-mentioned problems in the prior art, a kind of electric reciprocating fatigue suitable for wind electricity blade is now provided
Load testing machine, it is intended to can carry out waving the composite fatigue load test of direction and edgewise direction to wind electricity blade.
Concrete technical scheme is as follows：
A kind of electric reciprocating fatigue loading assay device suitable for wind electricity blade, for waving to wind electricity blade
The composite fatigue load test of direction and edgewise direction has the feature that, including：Wind electricity blade fixture, is sleeved on wind-powered electricity generation leaf
On piece section section；First vertical electric loading system module, is installed on a group front end for wind electricity blade fixture；Second vertical electric loading system
Module, is installed on a group rear end for wind electricity blade fixture；First transverse electric load-on module, is installed on a group top for wind electricity blade fixture
End；And the second transverse electric load-on module, it is installed on a group bottom for wind electricity blade fixture；Wherein, the first vertical electric loading system
Module and the second vertical electric loading system module are used to carry out wind electricity blade vertical reciprocating fatigue loading, and the first transverse electric adds
Carrying module and the second transverse electric load-on module is used to carry out wind electricity blade transverse reciprocating formula fatigue loading.
Further, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided,
Can also have the feature that, the first vertical electric loading system module includes：Front baffle, takes with the front end of wind electricity blade fixture
Connect；First balance weight body, the top elastic connection with front baffle；And first driving means, the top of front baffle is mounted vertically in,
And drive the first balance weight body vertically to move back and forth in front baffle.
Further, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided,
Can also have the feature that, the first balance weight body is included：One square chest, top is divided into first driving means both sides by two
Spring is connected with the top of front baffle；Some masses, are removably mounted on the front side wall or/and rear wall of square chest.
Further, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided,
Can also have the feature that：Front baffle is provided with the vertical guide rail through square chest, also, square chest is provided with along slide
Piston shoes.
Further, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided,
Can also have the feature that：First driving means are electric pushrod.
Further, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided,
Can also have the feature that, the second vertical electric loading system module includes：Afterframe, takes with the rear end of wind electricity blade fixture
Connect；Second balance weight body, is connected with the bottom resilient of afterframe；And second driving means, the bottom of afterframe is mounted vertically in,
And drive the second balance weight body vertically to move back and forth in afterframe.
Further, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided,
Can also have the feature that, the first transverse electric load-on module includes：Upper frame, takes with the top of wind electricity blade fixture
Connect；3rd balance weight body, is movably mounted on the upper frame；And the 3rd driving means, it is transversely mounted on upper frame
Rear portion, and drive the 3rd balance weight body traverse motion in upper frame.
Further, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided,
Can also have the feature that, the 3rd balance weight body is included：One square chest, is connected with the 3rd driving means；Some masses,
It is removably mounted on the upper side wall or/and lower wall of square chest.
Further, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided,
Can also have the feature that：Upper frame is provided with the guide rail for extending transversely through square chest, also, square chest is provided with along slide
Piston shoes.
Further, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided,
Can also have the feature that, the second transverse electric load-on module includes：Underframe, takes with the bottom of wind electricity blade fixture
Connect；4th balance weight body, is movably mounted on the underframe；And four-drive device, it is transversely mounted on underframe
Front portion, and drive the 4th balance weight body traverse motion in underframe.
The good effect of above-mentioned technical proposal is：
The electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided, by wind-powered electricity generation leaf
The front-end and back-end of plate clamp are respectively provided with the first vertical electric loading system module and the second vertical electric loading system module, and by first
The inertia force that vertical electric loading system module and the second vertical electric loading system module synchronously move back and forth generation using quality is simultaneously
Carry out vertically (waving direction) reciprocating fatigue loading to wind electricity blade；By distinguishing on the top of wind electricity blade fixture and bottom
First transverse electric load-on module and the second transverse electric load-on module are set, and by the first transverse electric load-on module and second
Transverse electric load-on module synchronously moves back and forth the inertia force of generation while carrying out to wind electricity blade laterally (shimmy using quality
Direction) reciprocating fatigue loading, so as to realize the composite fatigue loading for waving direction and edgewise direction of wind electricity blade, more accord with
The applying working condition of wind electricity blade is closed, loading effect is improved, shortens the fatigue loading test period, and effectively improve fatigue loading test
Reliability and result of the test accuracy.
Also, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided, by profit
Wind electricity blade is entered with the resonance that produces basically identical with wind electricity blade loading direction natural frequency of inertia mass reciprocating frequency
Row fatigue loading, not only saves loaded energy, during load test, longitudinal force will not be produced to wind electricity blade and local is curved
Square, thus also have safety good, without the need for the advantage of preventer.
In addition, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present invention is provided has structure letter
Single, lightweight, power-weight ratio is high, can effectively reduce conducting oneself with dignity because of fatigue loading assay device loads the shadow of effect to wind electricity blade
The advantages of ringing.
Description of the drawings
Fig. 1 is that the wind electricity blade provided in embodiments of the invention one is illustrated in the installation for carrying out composite fatigue load test
Figure.
Fig. 2 is the axonometric chart of the electric reciprocating fatigue loading assay device provided in embodiments of the invention one.
Fig. 3 is the axonometric chart of the first vertical electric loading system module provided in embodiments of the invention one.
Fig. 4 is the axonometric chart of the first transverse electric load-on module provided in embodiments of the invention one.
Fig. 5 is the electric reciprocating fatigue loading assay device provided in embodiments of the invention one in another visual direction
On axonometric chart.
Fig. 6 is the axonometric chart of the electric reciprocating fatigue loading assay device provided in embodiments of the invention two.
Fig. 7 is the axonometric chart of the electric reciprocating fatigue loading assay device provided in embodiments of the invention three.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, it is real below
Apply example and combine the electric reciprocating fatigue loading assay device work suitable for wind electricity blade that accompanying drawing 1 is provided the present invention to Fig. 7
It is specifically described.
In describing the invention, it is to be understood that term " front end ", " rear end ", " top ", " bottom ", " left side ",
The orientation or position relationship of the instruction such as " right side ", " top ", " bottom ", " front portion ", " rear portion ", " interior ", " outward " is based on accompanying drawing
Shown orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention's
Limit.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " take
Connect ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
<Embodiment one>
The electric reciprocating fatigue loading assay device provided in the present embodiment is applied to wind electricity blade, for wind-powered electricity generation leaf
Piece carries out vertical and horizontal composite fatigue load test, as shown in figure 1, wind electricity blade 200 is fastened transversely to load test
On seat 300.In the present embodiment, the length direction of wind electricity blade 200 is defined as into longitudinal direction, the horizontal direction being transversely to the machine direction is determined
Justice is horizontal (i.e. the edgewise direction of wind electricity blade 200), and will be perpendicular to longitudinal vertical direction and be defined as vertically (i.e. wind-powered electricity generation leaf
Piece 200 waves direction).
As shown in Figures 2 and 3, reciprocating fatigue load testing machine 100 includes：The vertical electricity of wind electricity blade fixture 1, first
The loading of dynamic load-on module 2, the second vertical electric loading system module 3, the first transverse electric load-on module 4 and the second transverse electric
Module 5.Wherein, wind electricity blade fixture 1 is sleeved on certain section of section of wind electricity blade 200, and the first vertical electric loading system module 2 is pacified
Loaded on a group front end for wind electricity blade fixture 1, the second vertical electric loading system module 3 is installed on a group rear end for wind electricity blade fixture 1, the
One transverse electric load-on module 4 is installed on a group top for wind electricity blade fixture 1, and the second transverse electric load-on module 5 is installed on group
The bottom of wind electricity blade fixture 1.
In the present embodiment, the vertical electric loading system module 3 of the first vertical electric loading system module 2 and second utilizes inertia mass
Reciprocating frequency is carried out with the resonance of the basically identical generation of the loading direction natural frequency of wind electricity blade 200 to wind electricity blade 200
Reciprocating fatigue is loaded vertically (to wave direction).
First vertical electric loading system module 2 includes：Front baffle 21, the first balance weight body 22 and first driving means 23.Tool
Body, front baffle 21 is overlapped with the front end of wind electricity blade fixture 1, and front baffle 21 is by two longerons (21a, 21b) and two vertical beams
(21c, 21d) overlap joint is formed.The top elastic connection of the first balance weight body 22 and front baffle 21, as preferred technical scheme, the
One balance weight body 22 is included：One square chest 221 and some masses 222.First driving means 23 are mounted vertically in the top of front baffle 21
Portion, is loaded for driving the first balance weight body 22 vertically to move back and forth in front baffle 21.
Wherein, in view of electric pushrod has the advantages that transmission efficiency, weares and teares little, first driving means 23 are preferably electronic
Push rod, electric pushrod is mounted vertically in the top of longeron 21a, also, the push rod 231 of electric pushrod runs through upper longeron 21a simultaneously
It is connected with square chest 221.This kind of type of drive can improve the efficiency of reciprocating fatigue load testing machine itself and reliability, prolongation
Life-span, while the reliability of wind electricity blade fatigue loading test can also be improved.
In the present embodiment, the top of square chest 221 by two springs 24 for being divided into the both sides of first driving means 23 with it is front
The top connection of framework 21, also, some masses 222 are removably mounted on the front side wall and rear wall of square chest 221.When
So, some masses 222 can also be mounted in the front side wall or right side wall of square chest 221, in addition, can phase between mass 222
It is mutually laterally stacked.
Used as preferred technical scheme, front baffle 21 is provided with the vertical guide rail 25 through square chest 221, also, square chest 221 is pacified
Equipped with the piston shoes 26 slided along guide rail 25, the first balance weight body 22 follows piston shoes 26 vertically to move back and forth along guide rail 25.
As shown in Fig. 2, Fig. 3 and Fig. 5, the second vertical electric loading system module 3 includes：Afterframe 31, the second balance weight body
32 and second driving means 33.In the present embodiment, afterframe 31 is identical with the structure of front baffle 21, the second balance weight body 32
Identical with the structure of the first balance weight body 22, the second driving means 33 are identical with the structure of first driving means 23.Therefore, herein not
Repeat again.Relative to the first vertical electric loading system module 2, difference is, in order to prevent the second vertical electric loading system module 3 from interfering
The operation of the first transverse electric load-on module 4, the rear end of afterframe 31 and wind electricity blade fixture 1 overlaps, the second balance weight body 32 with
The bottom resilient connection of afterframe 31, the second driving means 33 are mounted vertically in the bottom of afterframe 31, and drive the second counterweight
Body 32 is vertically moved back and forth in afterframe 31.
As shown in Figure 2 and Figure 4, in the present embodiment, the first transverse electric load-on module 4 and the second transverse electric loading mould
Block 5 is right with the resonance of the basically identical generation of the loading direction natural frequency of wind electricity blade 200 using inertia mass reciprocating frequency
Wind electricity blade 200 carries out laterally (edgewise direction) reciprocating fatigue loading.
First transverse electric load-on module 4 includes：Upper frame 41, the 3rd balance weight body 42 and the 3rd driving means 43.Tool
Body, upper frame 41 is overlapped with the top of wind electricity blade fixture 1.Upper frame 41 is by two longerons (41a, 41b) and two crossbeams
(41c, 41d) overlap joint is formed.3rd balance weight body 42 is movably mounted on upper frame 41, as preferred technical scheme, the
Three balance weight bodies 42 are comprising a square chest 421 and some masses 422.3rd driving means 43 are transversely mounted on after upper frame 41
Portion, for driving, the 3rd balance weight body 43 is traverse motion in upper frame 41 to be loaded.Likewise, in the present embodiment,
3rd driving means 43 are preferably electric pushrod, also, electric pushrod is mounted vertically in the rear portion of floor side member 41b, electric pushrod
Push rod (not shown) through floor side member 41b and being connected with square chest 421.
In the present embodiment, square chest 421 is connected with the 3rd driving means 43, also, some masses 422 are removably pacified
Be mounted in the upper side wall and lower wall of square chest 421, certainly, some masses 422 can also be mounted in the front side wall of square chest 421 or
Right side wall, in addition, can vertically be stacked between mass 422.
Used as preferred technical scheme, upper frame 41 is provided with the guide rail 44 for extending transversely through square chest 421, also, square chest 521 is pacified
Equipped with the piston shoes 45 slided along guide rail 44, the 3rd balance weight body 42 follows piston shoes 45 traverse motion along guide rail 44.
The second transverse electric load-on module 5 includes as shown in Fig. 2, Fig. 4 and Fig. 5：Underframe 51, the 4th balance weight body 52,
And four-drive device 53.In the present embodiment, underframe 51 is identical with the structure of upper frame 41, the 4th balance weight body 52 and
The structure of three balance weight bodies 42 is identical, and four-drive device 53 is identical with the structure of the 3rd driving means 43.Therefore, no longer go to live in the household of one's in-laws on getting married herein
State.It is relative to difference, in order to prevent interfering the operation of the second vertical electric loading system module 3, underframe 51 and wind electricity blade
The bottom overlap joint of fixture 1, the 4th balance weight body 52 is movably mounted on underframe 51, and four-drive device 53 is mounted vertically in
The front portion of underframe 51, and drive that the 4th balance weight body 53 is traverse motion in underframe 51 to be loaded.
The electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present embodiment is provided, by wind-powered electricity generation
The front-end and back-end of blade fixture are respectively provided with the first vertical electric loading system module and the second vertical electric loading system module, and by
One vertical electric loading system module and the second vertical electric loading system module carry out vertically (waving direction) back and forth to wind electricity blade simultaneously
Formula fatigue loading；By being respectively provided with the first transverse electric load-on module and second horizontal on the top and bottom of wind electricity blade fixture
To electric loading system module, and by the first transverse electric load-on module and the second transverse electric load-on module wind electricity blade is entered simultaneously
Row laterally (edgewise direction) reciprocating fatigue loading.So as to the combined type for waving direction and edgewise direction for realizing wind electricity blade is tired
Labor is loaded, and is more conformed to the applying working condition of wind electricity blade, is improved loading effect, shortens the fatigue loading test period and effectively carry
The reliability of high fatigue loading test and the accuracy of result of the test.
Also, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present embodiment is provided, pass through
Using the basically identical resonance that produces of inertia mass reciprocating frequency and wind electricity blade loading direction natural frequency to wind electricity blade
Fatigue loading is carried out, loaded energy is not only saved, during load test, longitudinal force and local will not be produced to wind electricity blade
Moment of flexure, thus also have safety good, without the need for the advantage of preventer.
In addition, the electric reciprocating fatigue loading assay device suitable for wind electricity blade that the present embodiment is provided has structure
Simply, lightweight, power/weight proportion is high, can effectively reduce because the deadweight of fatigue loading assay device loads effect to wind electricity blade
Impact.
<Embodiment two>
In the present embodiment, with identical part in embodiment one, give and be identically numbered, and omit identical explanation.
The electric reciprocating fatigue loading assay device that the present embodiment is provided is applied to only wave wind electricity blade
The reciprocating fatigue loading in direction.
As shown in fig. 6, relative to embodiment one, the difference of the present embodiment is：
In the present embodiment, reciprocating fatigue load testing machine is only included：Wind electricity blade fixture 1, first is vertical electronic
The vertical electric loading system module 6 of load-on module 2 and second, also, the first vertical electric loading system module 2 and second is vertical electronic
Load-on module 6 is identical, and aligns in front and back.
In the present embodiment, the vertical electric loading system module 6 of electric pushrod 23 and second of the first vertical electric loading system module 2
Electric pushrod 63 be placed in the top of blade fixture 1.
<Embodiment three>
In the present embodiment, with identical part in embodiment one, give and be identically numbered, and omit identical explanation.
The electric reciprocating fatigue loading assay device that the present embodiment is provided is applied to need to only to carry out wind electricity blade shimmy
The reciprocating fatigue loading in direction.
As shown in fig. 7, relative to embodiment one and embodiment two, the difference of the present embodiment is：In the present embodiment,
Reciprocating fatigue load testing machine is only included：Wind electricity blade fixture 1, the first transverse electric load-on module 4 and second are horizontal
Electric loading system module 7, also, the first transverse electric load-on module 4 is identical with the second transverse electric load-on module 7, and on
Lower alignment.
In the present embodiment, two electric pushrods are placed in the rear portion of blade fixture 1, certainly, the present invention provide it is past
In compound fatigue loading assay device, two electric pushrods may also be placed in the front portion of blade fixture 1.
Embodiment one to embodiment three is only preferred embodiments of the present invention, but not thereby limits the embodiment party of the present invention
Formula and protection domain, to those skilled in the art, should can appreciate that in all utilization description of the invention and diagram
Scheme obtained by holding done equivalent and obviously changing, should be included in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of electric reciprocating fatigue loading assay device suitable for wind electricity blade, for waving the wind electricity blade
Dance direction and the composite fatigue load test of edgewise direction, it is characterised in that include：
Wind electricity blade fixture, is sleeved on the wind electricity blade section section；
First vertical electric loading system module, is installed on the front end of described group of wind electricity blade fixture；
Second vertical electric loading system module, is installed on the rear end of described group of wind electricity blade fixture；
First transverse electric load-on module, is installed on the top of described group of wind electricity blade fixture；And
Second transverse electric load-on module, is installed on the bottom of described group of wind electricity blade fixture；
Wherein, the described first vertical electric loading system module and the second vertical electric loading system module are used for the wind electricity blade
Vertical reciprocating fatigue loading is carried out, the first transverse electric load-on module and the second transverse electric load-on module are used for
Transverse reciprocating formula fatigue loading is carried out to the wind electricity blade.
2. the electric reciprocating fatigue loading assay device suitable for wind electricity blade according to claim 1, its feature exists
In the first vertical electric loading system module includes：
Front baffle, overlaps with the front end of the wind electricity blade fixture；
First balance weight body, the top elastic connection with the front baffle；And
First driving means, are mounted vertically in the top of the front baffle, and drive first balance weight body in the front baffle
Inside vertically move back and forth.
3. the electric reciprocating fatigue loading assay device suitable for wind electricity blade according to claim 2, its feature exists
In first balance weight body is included：
One square chest, top is connected by two springs for being divided into the first driving means both sides with the top of the front baffle；
Some masses, are removably mounted on the front side wall or/and rear wall of the square chest.
4. the electric reciprocating fatigue loading assay device suitable for wind electricity blade according to claim 3, its feature exists
In the front baffle is provided with vertically through the guide rail of the square chest, also, the square chest is provided with the cunning along the slide
Boots.
5. the electric reciprocating fatigue loading assay device suitable for wind electricity blade according to claim 2, its feature exists
In the first driving means are electric pushrod.
6. the electric reciprocating fatigue loading assay device suitable for wind electricity blade according to claim 1, its feature exists
In the second vertical electric loading system module includes：
Afterframe, overlaps with the rear end of the wind electricity blade fixture；
Second balance weight body, is connected with the bottom resilient of the afterframe；And
Second driving means, are mounted vertically in the bottom of the afterframe, and drive second balance weight body framework in the rear
Inside vertically move back and forth.
7. the electric reciprocating fatigue loading assay device suitable for wind electricity blade according to claim 1, its feature exists
In the first transverse electric load-on module includes：
Upper frame, overlaps with the top of the wind electricity blade fixture；
3rd balance weight body, is movably mounted on the upper frame；And
3rd driving means, are transversely mounted on the rear portion of the upper frame, and drive the 3rd balance weight body in the upper frame
It is interior traverse motion.
8. the electric reciprocating fatigue loading assay device suitable for wind electricity blade according to claim 7, its feature exists
In the 3rd balance weight body is included：
One square chest, is connected with the 3rd driving means；
Some masses, are removably mounted on the upper side wall or/and lower wall of the square chest.
9. the electric reciprocating fatigue loading assay device suitable for wind electricity blade according to claim 8, its feature exists
In the upper frame is provided with the guide rail for extending transversely through the square chest, also, the square chest is provided with the cunning along the slide
Boots.
10. the electric reciprocating fatigue loading assay device suitable for wind electricity blade according to claim 1, its feature exists
In the second transverse electric load-on module includes：
Underframe, overlaps with the bottom of the wind electricity blade fixture；
4th balance weight body, is movably mounted on the underframe；And
Four-drive device, is transversely mounted on the front portion of the underframe, and drives the 4th balance weight body in the underframe
It is interior traverse motion.
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| CN107870008A (en) * | 2017-09-25 | 2018-04-03 | 上海艾港风电科技发展有限公司 | The performance test methods and equipment of flexible tower |
| CN107870133A (en) * | 2017-09-25 | 2018-04-03 | 上海艾港风电科技发展有限公司 | Blade fatigue strength test method and equipment |
| CN109283075A (en) * | 2018-11-07 | 2019-01-29 | 连云港中复连众复合材料集团有限公司 | The wind electricity blade fatigue test exciting device and test method of servo motor driving |
| CN110567695A (en) * | 2019-09-02 | 2019-12-13 | 洛阳双瑞风电叶片有限公司 | Auxiliary device for reducing wind power blade waving direction fatigue test air resistance |
| CN112033830A (en) * | 2020-08-27 | 2020-12-04 | 盐城工学院 | Wind power blade multi-angle fatigue mechanical property detection device and use method thereof |
| CN113096478A (en) * | 2021-04-13 | 2021-07-09 | 新能职业培训学校(天津)有限公司 | Resonance mechanism simulation teaching aid |
| 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 |
| CN114323610A (en) * | 2021-12-20 | 2022-04-12 | 武汉理工大学 | Multi-point double-freedom-degree fatigue testing device and control method for large offshore wind power blade |
| CN117405532A (en) * | 2023-12-12 | 2024-01-16 | 兰州理工大学 | Multifunctional fatigue testing device for blade |
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| CN107870008A (en) * | 2017-09-25 | 2018-04-03 | 上海艾港风电科技发展有限公司 | The performance test methods and equipment of flexible tower |
| CN107870133A (en) * | 2017-09-25 | 2018-04-03 | 上海艾港风电科技发展有限公司 | Blade fatigue strength test method and equipment |
| CN109283075A (en) * | 2018-11-07 | 2019-01-29 | 连云港中复连众复合材料集团有限公司 | The wind electricity blade fatigue test exciting device and test method of servo motor driving |
| CN110567695A (en) * | 2019-09-02 | 2019-12-13 | 洛阳双瑞风电叶片有限公司 | Auxiliary device for reducing wind power blade waving direction fatigue test air resistance |
| CN112033830A (en) * | 2020-08-27 | 2020-12-04 | 盐城工学院 | Wind power blade multi-angle fatigue mechanical property detection device and use method thereof |
| CN113096478A (en) * | 2021-04-13 | 2021-07-09 | 新能职业培训学校(天津)有限公司 | Resonance mechanism simulation teaching aid |
| 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 |
| CN114323610A (en) * | 2021-12-20 | 2022-04-12 | 武汉理工大学 | Multi-point double-freedom-degree fatigue testing device and control method for large offshore wind power blade |
| CN117405532A (en) * | 2023-12-12 | 2024-01-16 | 兰州理工大学 | Multifunctional fatigue testing device for blade |
| CN117405532B (en) * | 2023-12-12 | 2024-06-11 | 兰州理工大学 | Multifunctional fatigue testing device for blade |
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