CN206540783U - A kind of electric reciprocating fatigue loading experimental rig suitable for wind electricity blade - Google Patents
A kind of electric reciprocating fatigue loading experimental rig suitable for wind electricity blade Download PDFInfo
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- CN206540783U CN206540783U CN201720191765.7U CN201720191765U CN206540783U CN 206540783 U CN206540783 U CN 206540783U CN 201720191765 U CN201720191765 U CN 201720191765U CN 206540783 U CN206540783 U CN 206540783U
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Abstract
The utility model discloses a kind of electric reciprocating fatigue loading experimental rig suitable for wind electricity blade, including：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 the second transverse electric load-on module, it is installed on the bottom of described group of 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 the wind electricity blade vertical reciprocating fatigue loading, and the first transverse electric load-on module and the second transverse electric load-on module are used to carry out transverse reciprocating formula fatigue loading to the wind electricity blade.So as to realize the composite fatigue load test for wind electricity blade wave direction and edgewise direction simultaneously.
Description
Technical field
The utility model is related to technology fatigue test technology field, is specifically related to a kind of suitable for the electronic of wind electricity blade
Reciprocating fatigue load testing machine.
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 important component that the kinetic energy kept watch is changed into mechanical energy, wind wheel generally by
Several blade compositions with helicoid.Aerodynamic force driving wind wheel is produced when wind is to blade, on blade to rotate.Thus, leaf
The Airfoil Design and structure type 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 ensure
In the wild extremely in rugged environment can chronically safe operation, propose that density is small, 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 snesor, big displacement hydraulic-servo-load actuator, branch support group
Seat and fatigue test control system are constituted, wherein, support pedestal is connected with big displacement hydraulic-servo-load actuator, big displacement
Hydraulic-servo-load actuator is connected with force snesor, and force snesor is connected with joint jointing, joint jointing and leaf
Piece clamping tooling is connected, 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 wave the fatigue loading experiment on direction.
But, such a megawatt-grade wind generator set vane fatigue can only carry out blade wave on direction fatigue loading experiment,
And the experiment of the fatigue loading in blade edgewise direction can not be carried out simultaneously.Also, such a use 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 utility model patent (U of CN 202471379) discloses a kind of large-scale wind wheel blade pendulum
Shake direction fatigue experimental device, comprising vibrator and blade fixture, there is adjustable speed motor, the output of adjustable speed motor on vibrator
Being connected on axle on tranverse connecting rod, tranverse connecting rod outer end connection counterweight axostylus axostyle, counterweight axostylus axostyle has balance weight body, and leaf is connected in the side of motor cabinet
Plate clamp.Described large-scale wind wheel blade edgewise direction fatigue experimental device, using resonance test method principle and less than
Exciting wind wheel blade in the very narrow frequency range of wind wheel blade intrinsic frequency, makes wind wheel blade do circulation under edgewise direction anti-
Multiple motion, until the cycle-index required by satisfaction, 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, can not carry out vertical and horizontal composite fatigue load test to blade simultaneously.Thus
Depart from the actual use operating mode of blade, loading effect is not satisfactory, this reliability for allowing for fatigue loading experiment and experiment are tied
The accuracy of fruit has much room for improvement.
Utility model content
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 wind electricity blade can wave the composite fatigue load test of direction and edgewise direction.
Concrete technical scheme is as follows：
A kind of electric reciprocating fatigue loading experimental rig suitable for wind electricity blade, for being waved 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 vertical reciprocating fatigue loading to wind electricity blade, and the first transverse electric adds
Carrying module and the second transverse electric load-on module is used to carry out transverse reciprocating formula fatigue loading to wind electricity blade.
Further, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade provided in the utility model
In, it can also have the feature that, the first vertical electric loading system module includes：Front baffle, the front end with wind electricity blade fixture
Overlap joint；First balance weight body, the top elastic connection with front baffle；And first driving means, it is mounted vertically in the top of front baffle
Portion, and drive the first balance weight body vertically to be moved back and forth in front baffle.
Further, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade provided in the utility model
In, it can also have the feature that, the first balance weight body is included：One square chest, top is divided into first driving means two by two
The spring of side and the top of front baffle are connected；Some masses, are removably mounted on the front side wall or/and rear wall of square chest.
Further, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade provided in the utility model
In, it can also have the feature that：Front baffle is provided with along guide rail and slided provided with the vertical guide rail for running through square chest, also, square chest
Dynamic piston shoes.
Further, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade provided in the utility model
In, it can also have the feature that：First driving means are electric pushrod.
Further, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade provided in the utility model
In, it can also have the feature that, the second vertical electric loading system module includes：Afterframe, the rear end with wind electricity blade fixture
Overlap joint；Second balance weight body, is connected with the bottom resilient of afterframe；And second drive device, it is mounted vertically in the bottom of afterframe
Portion, and drive the second balance weight body vertically to be moved back and forth in afterframe.
Further, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade provided in the utility model
In, it can also have the feature that, the first transverse electric load-on module includes：Upper framework, the top with wind electricity blade fixture
Overlap joint；3rd balance weight body, is movably mounted on the upper framework；And the 3rd drive device, it is transversely mounted on framework
Rear portion, and drive the 3rd balance weight body in upper framework transverse reciprocating move.
Further, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade provided in the utility model
In, it can also have the feature that, the 3rd balance weight body is included：One square chest, is connected with the 3rd drive device；If dry mass
Block, is removably mounted on the upper side wall or/and lower wall of square chest.
Further, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade provided in the utility model
In, it can also have the feature that：Upper framework
Provided with the guide rail for extending transversely through square chest, also, square chest is provided with the piston shoes slided along guide rail.
Further, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade provided in the utility model
In, it can also have the feature that, the second transverse electric load-on module includes：Underframe, the bottom with wind electricity blade fixture
Overlap joint；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 in underframe transverse reciprocating move.
The good effect of above-mentioned technical proposal is：
The electric reciprocating fatigue loading experimental rig suitable for wind electricity blade that the utility model is provided, by wind
The front-end and back-end of electric blade fixture set the first vertical electric loading system module and the second vertical electric loading system module respectively, and by
First vertical electric loading system module and the second vertical electric loading system module synchronously move back and forth the inertia force of generation using quality
Simultaneously vertical (waving direction) reciprocating fatigue is carried out to wind electricity blade to load；By on the top and bottom of wind electricity blade fixture
First transverse electric load-on module and the second transverse electric load-on module be set respectively, and by the first transverse electric load-on module and
The inertia force that second transverse electric load-on module synchronously moves back and forth generation using quality is carried out laterally to wind electricity blade simultaneously
(edgewise direction) reciprocating fatigue is loaded, so that the composite fatigue loading for waving direction and edgewise direction of wind electricity blade is realized,
The applying working condition of wind electricity blade is more conformed to, loading effect is improved, shortens the fatigue loading test period, and effectively improves tired add
Carry the reliability of experiment and the accuracy of result of the test.
Also, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade that the utility model is provided, lead to
Cross using the basically identical resonance that produces of inertia mass reciprocating frequency and wind electricity blade loading direction intrinsic frequency to wind-powered electricity generation leaf
Piece carries out fatigue loading, not only saves loaded energy, during load test, will not produce longitudinal force drawn game to wind electricity blade
Portion's moment of flexure, thus also have security good, the advantage without protector.
In addition, the electric reciprocating fatigue loading experimental rig suitable for wind electricity blade that the utility model is provided has knot
Structure is simple, lightweight, power-weight ratio is high, can effectively reduce because the deadweight of fatigue loading experimental rig loads effect to wind electricity blade
Influence the advantages of.
Brief description of the drawings
Fig. 1 is carrying out the installation of composite fatigue load test for the wind electricity blade provided in embodiment one of the present utility model
Schematic diagram.
Fig. 2 is the stereogram of the electric reciprocating fatigue loading experimental rig provided in embodiment one of the present utility model.
Fig. 3 is the stereogram of the first vertical electric loading system module provided in embodiment one of the present utility model.
Fig. 4 is the stereogram of the first transverse electric load-on module provided in embodiment one of the present utility model.
Fig. 5 be in embodiment one of the present utility model the electric reciprocating fatigue loading experimental rig that provides in another vision
Stereogram on direction.
Fig. 6 is the stereogram of the electric reciprocating fatigue loading experimental rig provided in embodiment two of the present utility model.
Fig. 7 is the stereogram of the electric reciprocating fatigue loading experimental rig provided in embodiment three of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with
The electric reciprocating fatigue loading suitable for wind electricity blade that lower embodiment combination accompanying drawing 1 to Fig. 7 is provided the utility model is tried
Experiment device is specifically addressed.
In description of the present utility model, it is to be understood that term " front end ", " rear end ", " top ", " bottom ", " a left side
The orientation or position relationship of the instruction such as side ", " right side ", " top ", " bottom ", " front portion ", " rear portion ", " interior ", " outer " be based on
Orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or dark
Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right
Limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " overlap joint ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be the connection of two element internals.For
For one of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing as the case may be
Justice.
<Embodiment one>
The electric reciprocating fatigue loading experimental rig 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 branch
On seat 300.In the present embodiment, the length direction of wind electricity blade 200 is defined as longitudinal direction, the horizontal direction being transversely to the machine direction is determined
Justice will be perpendicular to longitudinal vertical direction and be defined as vertically (i.e. wind-powered electricity generation leaf for laterally (i.e. the edgewise direction of wind electricity blade 200)
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
Dynamic load-on module 2, the second vertical electric loading system module 3, the first transverse electric load-on module 4 and the loading of 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 first vertical electric loading system module 3 of vertical electric loading system module 2 and second utilizes inertia mass
Reciprocating frequency and the resonance of the basically identical generation of loading direction intrinsic frequency of wind electricity blade 200 are carried out to wind electricity blade 200
Vertically (waving direction), reciprocating fatigue is loaded.
First vertical electric loading system module 2 includes：Front baffle 21, the first balance weight body 22 and first driving means 23.Tool
Body, the front end of front baffle 21 and wind electricity blade fixture 1 is overlapped, and front baffle 21 is by two longerons (21a, 21b) and two vertical beams
(21c, 21d) overlap joint is formed.First balance weight body 22 and the top elastic connection of 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, for driving the first balance weight body 22 vertical move back and forth in front baffle 21 to be loaded.
Wherein, in view of electric pushrod has the advantages that transmission efficiency, weares and teares small, first driving means 23 are preferably electronic
Push rod, electric pushrod is mounted vertically in longeron 21a top, also, the push rod 231 of electric pushrod runs through upper longeron 21a simultaneously
It is connected with square chest 221.Such a type of drive can improve efficiency and reliability, the extension of reciprocating fatigue load testing machine itself
Life-span, while the reliability of wind electricity blade fatigue loading experiment can also be improved.
In the present embodiment, the top of square chest 221 is divided into the spring 24 of the both sides of first driving means 23 by two with before
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.
As preferred technical scheme, front baffle 21 is pacified provided with the vertical guide rail 25 for running through square chest 221, also, square chest 221
Equipped with the piston shoes 26 slided along guide rail 25, the first balance weight body 22 follows piston shoes 26 vertically to be moved 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 drive device 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 drive device 33 is 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 first transverse electric load-on module 4, the rear end of afterframe 31 and wind electricity blade fixture 1 is overlapped, the second balance weight body 32 with
The bottom resilient connection of afterframe 31, the second drive device 33 is mounted vertically in the bottom of afterframe 31, and drives 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 utilizes inertia mass reciprocating frequency and the resonance pair of the basically identical generation of loading direction intrinsic frequency of wind electricity blade 200
Wind electricity blade 200 carries out the loading of transverse direction (edgewise direction) reciprocating fatigue.
First transverse electric load-on module 4 includes：Upper framework 41, the 3rd balance weight body 42 and the 3rd drive device 43.Tool
Body, the top of upper framework 41 and wind electricity blade fixture 1 is overlapped.Upper framework 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 framework 41, is used as preferred technical scheme,
Three balance weight bodies 42 include a square chest 421 and some masses 422.3rd drive device 43 is transversely mounted on after framework 41
Portion, for driving the transverse reciprocating movement in upper framework 41 of the 3rd balance weight body 43 to be loaded.Likewise, in the present embodiment,
3rd drive device 43 is preferably electric pushrod, also, electric pushrod is mounted vertically in floor side member 41b rear portion, 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 drive device 43, also, some masses 422 are removably pacified
Mounted in the upper side wall and lower wall of square chest 421, certainly, some masses 422 can also be mounted in square chest 421 front side wall or
Right side wall, in addition, can be vertically stacked between mass 422.
As preferred technical scheme, upper framework 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 to be moved along the transverse reciprocating of 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 framework 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 drive device 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 the operation for interfering 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 the transverse reciprocating movement in underframe 51 of the 4th balance weight body 53 to be loaded.
The electric reciprocating fatigue loading experimental rig 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 set the first vertical electric loading system module and the second vertical electric loading system module respectively, and by
It is reciprocal that one vertical electric loading system module and the second vertical electric loading system module carry out vertical (waving direction) to wind electricity blade simultaneously
Formula fatigue loading；By setting the first transverse electric load-on module and the second horizontal stroke respectively on the top and bottom of wind electricity blade fixture
Wind electricity blade is entered simultaneously to electric loading system module, and by the first transverse electric load-on module and the second transverse electric load-on module
Row laterally (edgewise direction) reciprocating fatigue loading.So as to realize wind electricity blade wave direction and the combined type of edgewise direction 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 experiment and the accuracy of result of the test.
Also, the electric reciprocating fatigue loading experimental rig 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 intrinsic frequency to wind electricity blade
Fatigue loading is carried out, loaded energy is not only saved, during load test, longitudinal force and part will not be produced to wind electricity blade
Moment of flexure, thus also have security good, the advantage without protector.
In addition, the electric reciprocating fatigue loading experimental rig 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 experimental rig loads effect to wind electricity blade
Influence.
<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 experimental rig 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 front and rear alignment.
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 experimental rig that the present embodiment is provided is applied to only need to be shimmy to wind electricity blade progress
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, are provided in the utility model
Reciprocating fatigue load testing machine in, two electric pushrods may also be placed in the front portion of blade fixture 1.
Embodiment one to embodiment three is only the utility model preferred embodiment, but not thereby limits the utility model
Embodiment and protection domain, to those skilled in the art, should can appreciate that all utilization the utility model are said
The scheme obtained by equivalent substitution and obvious change made by bright book and diagramatic content, should be included in this practicality
In new protection domain.
Claims (10)
1. a kind of electric reciprocating fatigue loading experimental rig suitable for wind electricity blade, for waving the wind electricity blade
Wave the composite fatigue load test of direction and edgewise direction, it is characterised in that including：
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 the wind electricity blade fixture；
Second vertical electric loading system module, is installed on the rear end of the wind electricity blade fixture；
First transverse electric load-on module, is installed on the top of the wind electricity blade fixture；And
Second transverse electric load-on module, is installed on the bottom of the 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 experimental rig according to claim 1 suitable for wind electricity blade, its feature exists
In the first vertical electric loading system module includes：
Front baffle, is overlapped 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
It is interior vertically to move back and forth.
3. the electric reciprocating fatigue loading experimental rig according to claim 2 suitable for wind electricity blade, its feature exists
In first balance weight body is included：
One square chest, the spring that top is divided into the first driving means both sides by two is connected 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 experimental rig according to claim 3 suitable for wind electricity blade, its feature exists
In the front baffle is provided with the guide rail for vertically running through the square chest, also, the square chest is provided with the cunning slided along the guide rail
Boots.
5. the electric reciprocating fatigue loading experimental rig according to claim 2 suitable for wind electricity blade, its feature exists
In the first driving means are electric pushrod.
6. the electric reciprocating fatigue loading experimental rig according to claim 1 suitable for wind electricity blade, its feature exists
In the second vertical electric loading system module includes：
Afterframe, is overlapped 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 drive device, is mounted vertically in the bottom of the afterframe, and drives second balance weight body framework in the rear
It is interior vertically to move back and forth.
7. the electric reciprocating fatigue loading experimental rig according to claim 1 suitable for wind electricity blade, its feature exists
In the first transverse electric load-on module includes：
Upper framework, is overlapped with the top of the wind electricity blade fixture；
3rd balance weight body, is movably mounted on the upper framework；And
3rd drive device, is transversely mounted on the rear portion of the upper framework, and drives the 3rd balance weight body framework on described
Interior transverse reciprocating movement.
8. the electric reciprocating fatigue loading experimental rig according to claim 7 suitable for wind electricity blade, its feature exists
In the 3rd balance weight body is included：
One square chest, is connected with the 3rd drive device；
Some masses, are removably mounted on the upper side wall or/and lower wall of the square chest.
9. the electric reciprocating fatigue loading experimental rig according to claim 8 suitable for wind electricity blade, its feature exists
In the upper ledge, which is set up, the guide rail for extending transversely through the square chest, also, the square chest is provided with the cunning slided along the guide rail
Boots.
10. the electric reciprocating fatigue loading experimental rig according to claim 1 suitable for wind electricity blade, its feature exists
In the second transverse electric load-on module includes：
Underframe, is overlapped 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
Interior transverse reciprocating movement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720191765.7U CN206540783U (en) | 2017-03-01 | 2017-03-01 | A kind of electric reciprocating fatigue loading experimental rig suitable for wind electricity blade |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111811965A (en) * | 2020-07-17 | 2020-10-23 | 常州达姆斯检测技术有限公司 | Wind power blade fatigue testing device and method |
-
2017
- 2017-03-01 CN CN201720191765.7U patent/CN206540783U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111811965A (en) * | 2020-07-17 | 2020-10-23 | 常州达姆斯检测技术有限公司 | Wind power blade fatigue testing device and method |
| CN111811965B (en) * | 2020-07-17 | 2021-03-26 | 常州达姆斯检测技术有限公司 | Wind power blade fatigue testing device and method |
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