CN110160897A - Safety device for flutter test - Google Patents
Safety device for flutter test Download PDFInfo
- Publication number
- CN110160897A CN110160897A CN201810968542.6A CN201810968542A CN110160897A CN 110160897 A CN110160897 A CN 110160897A CN 201810968542 A CN201810968542 A CN 201810968542A CN 110160897 A CN110160897 A CN 110160897A
- Authority
- CN
- China
- Prior art keywords
- flutter test
- safety device
- lock
- lock clip
- flutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention provides a kind of safety device for flutter test, which includes: pedestal, and flutter test model is arranged on the base；Driving assembly, driving assembly are arranged on the base；Terminal is locked, locking terminal is arranged on flutter test model；Lock clip, lock clip are rotatably arranged on pedestal, and one end of lock clip is connect with driving assembly, and the other end of lock clip is selectively connect with locking terminal；Wherein, when the vibration of flutter test model is less than given threshold, driving assembly driving lock clip rotation is mutually to separate lock clip with locking terminal；When the vibration of flutter test model is greater than or equal to given threshold, driving assembly drives lock clip rotation to locking terminal limit.It applies the technical scheme of the present invention, can not to flutter test model reliably protecting the technical issues of smaller to solve direct insertion protection mechanism rigidity in the prior art.
Description
Technical field
The present invention relates to flutter test technical field more particularly to a kind of safety devices for flutter test.
Background technique
In flutter test, if flutter or limit cycle occur for wing rudder flutter model, wing rudder flutter model will generate big
The vibration of amplitude, model are likely occurred destruction.In order to avoid model damage, engineered safety features are needed to protect to model
Shield.Traditional flutter test model protection mechanism be usually it is direct insertion, this kind of direct insertion protection mechanism structure is simple, use
It is convenient.However, the flutter model bigger for model quality, since its vibration is larger, when the protection direct insertion using tradition
When mechanism, since direct insertion protection mechanism rigidity is smaller, the reliably protecting to flutter model cannot achieve.
Summary of the invention
The present invention provides a kind of safety devices for flutter test, are able to solve protection direct insertion in the prior art
The technical issues of mechanism rigidity is smaller, can not be to flutter test model reliably protecting.
The present invention provides a kind of safety device for flutter test, safety device includes: pedestal, flutter test model
Setting is on the base；Driving assembly, driving assembly are arranged on the base；Terminal is locked, locking terminal is arranged in flutter test mould
In type；Lock clip, lock clip are rotatably arranged on pedestal, and one end of lock clip is connect with driving assembly, locking
The other end of clamp is selectively connect with locking terminal；Wherein, it when the vibration of flutter test model is less than given threshold, drives
Dynamic Component driver lock clip rotation is mutually to separate lock clip with locking terminal；Be greater than when the vibration of flutter test model or
When equal to given threshold, driving assembly drives lock clip rotation to locking terminal limit.
Further, safety device further includes limited block, and one end of limited block is connect with pedestal, limited block it is another
One end and flutter test model clearance fit.
Further, limited block has adjustable connecting hole, and safety device further includes the first fastener, the first fastener according to
It is secondary across pedestal and adjustable connecting hole to realize being fixedly connected limited block and pedestal, the first fastener passes through adjustable
Different location in connecting hole is fixed to adjust the gap between the other end of limited block and flutter test model.
Further, limited block has multiple adjustable connecting holes, and safety device further includes multiple first fasteners, multiple
First fastener is arranged in a one-to-one correspondence with multiple adjustable connecting holes, and multiple adjustable connecting holes are arranged at intervals on the another of limited block
End.
Further, driving assembly includes cylinder and piston rod, and cylinder is fixedly installed on the base, and piston rod and locking block
One end connection of son, piston rod can drive lock clip to rotate, when the vibration of flutter test model is less than given threshold, driving
Component drives one end of lock clip to rotate around first direction mutually to separate lock clip with locking terminal；When flutter test mould
When the vibration of type is greater than or equal to given threshold, driving assembly drives one end of lock clip to rotate around second direction to locking
Terminal limit.
Further, lock clip includes linkage section and lock segments, and linkage section and lock segments are arranged in angle, and linkage section can
It is rotatably arranged on pedestal, one end of linkage section is connect with piston rod, and the other end of linkage section is connect with lock segments, lock segments
With lock slots, lock slots are selectively in mating connection with locking terminal.
Further, lock segments include the equal straight sections and expansion segment being connected, wait straight sections length be equal straight sections width
1.2 to 2 times, the expansion angle of expansion segment is 10 ° to 25 °.
Further, safety device further includes slotting ear, and one end of slotting ear is connect with piston rod, the other end of slotting ear and locking
The linkage section of clamp connects.
Further, linkage section has a slotted hole, and slotted hole is by the first semicircle orifice, the rectangular opening and the second half that are sequentially communicated
Circular hole composition, safety device further includes the second fastener, the second fastener sequentially pass through slotted hole and the slotting ear of lock clip with
Realize being rotatably connected between lock clip and slotting ear.
Further, safety device further includes control unit and monitoring unit, control unit respectively with monitoring unit and drive
Dynamic component connection, monitoring unit are used to monitor the vibratory output of flutter test model, and control unit according to monitoring unit for being supervised
The vibratory output control driving assembly movement of survey.
It applies the technical scheme of the present invention, provides a kind of safety device for flutter test, which can quiver
Shake test model vibration be less than given threshold when, driving assembly drive lock clip rotation with by lock clip and locking terminal
It mutually separates, can normally carry out flutter test at this time；When the vibration of flutter test model is greater than or equal to given threshold, driving
Component driver lock clip rotation, since locking terminal is connected with flutter test model, so as to pass through lock clip pair
Flutter test model is locked, to realize the reliably protecting to flutter test model.Safety device provided by the present invention with
The prior art is compared, and drives lock clip movement to lock or unlock to realize to flutter test model by driving device,
Such mode rigidity is larger, can effectively improve the reliability to flutter test model protection.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the embodiment of the present invention, and which constitute one of specification
Point, for illustrating the embodiment of the present invention, and come together to illustrate the principle of the present invention with verbal description.It should be evident that below
Attached drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
Property labour under the premise of, be also possible to obtain other drawings based on these drawings.
Fig. 1 shows the main view of the safety device for flutter test provided according to a particular embodiment of the invention；
Fig. 2 shows the top views of the safety device for flutter test provided in Fig. 1；
Fig. 3 shows the structural schematic diagram of the lock clip provided according to a particular embodiment of the invention；
Fig. 4 shows the scale diagrams of the lock clip provided in Fig. 3；
Fig. 5 shows the main view of the limited block provided according to a particular embodiment of the invention；
Fig. 6 shows the right view of the limited block provided in Fig. 5；
Fig. 7 shows the main view of the locking terminal provided according to a particular embodiment of the invention；
Fig. 8 shows the right view of the locking terminal provided in Fig. 7；
Showing when Fig. 9 shows the safety device locking for flutter test provided according to a particular embodiment of the invention
It is intended to；
When Figure 10 shows the unlocking security devices for flutter test provided according to a particular embodiment of the invention
Schematic diagram.
Wherein, the above drawings include the following reference numerals:
10, pedestal；20, driving assembly；21, cylinder；22, piston rod；30, terminal is locked；40, lock clip；41, it connects
Section；41a, slotted hole；42, lock segments；421, the straight sections such as；422, expansion segment；50, limited block；50a, adjustable connecting hole；60,
Slotting ear；70, the first screw；80, the first nut；90, the second screw；100, cylinder fixture nut；110, air cylinder support；200, it quivers
Shake test model.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is right below
The description only actually of at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or use
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
As shown in Figures 1 to 10, a kind of safety dress for flutter test is provided according to a particular embodiment of the invention
It sets, which includes pedestal 10, driving assembly 20, locking terminal 30 and lock clip 40, and the setting of flutter test model exists
On pedestal 10, driving assembly 20 is arranged on pedestal 10, and locking terminal 30 is arranged on flutter test model, and lock clip 40 can
It is rotatably arranged on pedestal 10, one end of lock clip 40 is connect with driving assembly 20, and the other end of lock clip 40 is optional
It is connect with locking terminal 30 with selecting；Wherein, when the vibration of flutter test model 200 is less than given threshold, driving assembly 20 is driven
The dynamic rotation of lock clip 40 is to separate lock clip 40 with locking 30 phase of terminal；When the vibration of flutter test model 200 is greater than
Or when being equal to given threshold, driving assembly 20 drives the rotation of lock clip 40 to limit to locking terminal 30.
Using such configuration mode, a kind of safety device for flutter test is provided, which can try in flutter
When testing the vibration of model less than given threshold, driving assembly drives lock clip rotation to divide lock clip and locking terminal phase
From can normally carry out flutter test at this time；When the vibration of flutter test model is greater than or equal to given threshold, driving assembly
Lock clip rotation is driven, since locking terminal is connected with flutter test model, so as to pass through lock clip to flutter
Test model is locked, to realize the reliably protecting to flutter test model.Safety device provided by the present invention with it is existing
Technology is compared, and drives lock clip movement to lock or unlock to realize to flutter test model by driving device, such
Mode rigidity is larger, can effectively improve the reliability to flutter test model protection.
In the present invention, as depicted in figs. 1 and 2, in order to further improve the reliability to flutter test model protection,
It can configure safety device to further include limited block 50, one end of limited block 50 is connect with pedestal 10, limited block 50
The other end and 200 clearance fit of flutter test model.It is limited using such configuration mode by the way that limited block is arranged on the base
Position block and flutter test model clearance fit can effectively prevent that turning around center for amplitude occurs when flutter test model
Damage when dynamic vibration to flutter test model.
Further, in the present invention, in order to combine flutter test model test result accuracy and
Safety to be tested, limited block 50 can be configured to there is adjustable connecting hole 50a, safety device further includes the first fastener, the
One fastener sequentially passes through pedestal 10 and adjustable connecting hole 50a to realize being fixedly connected between limited block 50 and pedestal 10,
First fastener is tried by the fixed other end and flutter to adjust limited block 50 of the different location in adjustable connecting hole 50a
Test the gap between model.As a specific embodiment of the invention, screw-nut combination can be used to fasten as first
Part.
Specifically, in the present invention, for any flutter test model, when carrying out initial trial, the first fastener is solid
It is arranged at the first position of adjustable connecting hole calmly, the gap between limited block and flutter test model is usually larger at this time,
Flutter test is carried out to flutter test model 200, observes the trystate of flutter test model 200, when after the test, if
The vibration of flutter test model 200 during the whole test process is smaller, when being less than setting vibration threshold, can adjust the at this time
Position of one fastener in adjustable connecting hole 50a increases the gap between limited block and flutter test model, to weaken examination
Influence of the limited block to flutter test model during testing.If the vibration of flutter test model 200 during the whole test process
Move it is larger, be more than setting vibration threshold, at this time can adjust position of first fastener in adjustable connecting hole 50a, reduce limit
The protection of flutter test model is made with improving limited block during test in gap between block and flutter test model
With.
Further, in the present invention, in order to further improve limited block to the reliable of flutter test model protection
Property, limited block 50 can be configured to there are multiple adjustable connecting hole 50a, safety device further includes multiple first fasteners, more
A first fastener is arranged in a one-to-one correspondence with multiple adjustable connecting hole 50a, and multiple adjustable connecting hole 50a are arranged at intervals on limiting block
The other end of block 50.
As a specific embodiment of the invention, as shown in Figure 5 and Figure 6, limited block 50 is Z-shaped configuration, limit
One end of block 50 is connect with pedestal 10, the other end and 200 clearance fit of flutter test model of limited block 50, limited block
50 one end is arranged at intervals with the adjustable connecting hole 50a of three oblongs in order to adjust limited block 50 and flutter test model
Gap between 200.
Further, in the present invention, in order to realize the reliably protecting to flutter test model, driving assembly 20 includes gas
Cylinder 21 and piston rod 22, cylinder 21 are fixed on pedestal 10, and piston rod 22 is connect with one end of lock clip 40, piston rod
22 can drive lock clip 40 to rotate, and when the vibration of flutter test model is less than given threshold, driving assembly 20 drives locking
One end of clamp 40 is rotated around first direction to separate lock clip 40 with locking 30 phase of terminal, when the vibration of flutter test model
When moving more than or equal to given threshold, driving assembly 20 drives one end of lock clip 40 to rotate around second direction to locking end
Son 30 limits.
As a specific embodiment of the invention, as shown in Figure 9 and Figure 10, flutter test model is set by screw fixation
It sets on pedestal 10, the middle part of lock clip 40 is rotatably arranged on pedestal 10 by the second screw 90.Cylinder 21 passes through
Air cylinder support 110 is fixed on pedestal 10, and cylinder 21 can drive 22 linear reciprocating motion of piston rod.Piston rod 22 and locking
One end of clamp 40 connects, and the other end of lock clip 40 is connected with lock terminal 40, with small vibration when flutter test model
When given threshold, cylinder 21 drives piston rod 22 to stretch out to drive lock clip 40 to rotate around first direction with by lock clip
40 separate with locking 30 phase of terminal, and safety device is in the unlocked state at this time, can carry out flutter examination to flutter test model 200
It tests.When the vibration of flutter test model is greater than or equal to given threshold, cylinder 21 drives piston rod 22 to withdraw to drive locking
Clamp 40 is rotated around second direction to lock terminal 30 by 40 clamping of lock clip, and safety device is in the lock state at this time,
Flutter test model 200 can be protected not destroy.
Further, in the present invention, in order to effectively be locked to flutter test model 200, such as Fig. 3 and Fig. 4
It is shown, lock clip 40 can be configured to include linkage section 41 and lock segments 42, linkage section 41 and lock segments 42 are arranged in angle,
Linkage section 41 is rotatably arranged on pedestal 10, and one end of linkage section 41 is connect with piston rod 22, the other end of linkage section 41
It is connect with lock segments 42, lock segments 42 have lock slots 42a, and lock slots 42a is selectively in mating connection with locking terminal 30.
As a specific embodiment of the invention, linkage section 41 and lock segments 42 are at right angles arranged.
In addition, in the present invention, locking terminal 30 during the test in order to prevent from the lock slots 42a of lock clip
It slips, as shown in figure 4, can configure lock segments 42 to includes the equal straight sections 421 and expansion segment 422 being connected, waits straight sections 421
Length L is 1.2 to 2 times of the width W of equal straight sections 421, and the expansion angle α of expansion segment 422 is 10 ° to 25 °.
It further, in the present invention, can be by safety device in order to easily realize the connection of lock clip and piston rod
It is configured to further include slotting ear 60, one end of slotting ear 60 is connect with piston rod 22, the other end of slotting ear 60 and the company of lock clip 40
Connect the connection of section 41.
In addition, in the present invention, in order to enable the movement of lock clip 40 is more smooth, linkage section 41 has slotted hole 41a,
Slotted hole 41a is made of the first semicircle orifice, rectangular opening and the second semicircle orifice being sequentially communicated, and safety device further includes the second fastening
Part, the second fastener sequentially pass through slotted hole 41a and the slotting ear 60 of lock clip 40 with realize lock clip 40 and slotting ear 60 it
Between be rotatably connected.
As a specific embodiment of the invention, as shown in Figure 1, the second fastener includes the first screw 70 and the first spiral shell
Mother 80, one end of slotting ear 60 is threadedly coupled with piston rod 22, and the other end of slotting ear 60 sequentially passes through locking by the first screw 70
The slotted hole 41a and slotting ear 60 of clamp 40 simultaneously match the connection tightened with realization and lock clip 40 with the first nut 80.
Further, in the present invention, in order to improve working efficiency and increase to flutter test model protection power can
By degree, safety device can be configured to further include control unit and monitoring unit, control unit respectively with monitoring unit and driving
Component 20 connects, and monitoring unit is used to monitor the vibratory output of flutter test model 200, and control unit is used for according to monitoring unit institute
The vibratory output control driving assembly 20 of monitoring acts.
As a specific embodiment of the invention, the vibratory output of monitoring unit real-time monitoring flutter test model 200 is simultaneously
The vibratory output of the flutter test model 200 monitored is fed back into control unit, control unit inside is previously given to have setting to shake
Dynamic threshold value, control unit in real time compare the vibratory output of the flutter test model 200 received with setting vibration threshold, work as institute
When the vibratory output of the flutter test model 200 received is less than setting vibration threshold, the cylinder 21 of control unit control at this time is acted
To drive piston rod 22 to stretch out, piston rod 22 drives lock clip 40 to rotate around first direction with by lock clip 40 and locking end
Sub 30 phases separation, safety device is in the unlocked state at this time, can carry out flutter test to flutter test model 200.When being received
When the vibratory output of the flutter test model 200 arrived is greater than or equal to setting vibration threshold, the cylinder 21 of control unit control at this time is dynamic
To make to drive piston rod 22 to withdraw, cylinder 21 drives lock clip 40 to rotate around second direction to limit to locking terminal 30, this
When safety device be in the lock state, flutter test model 200 can be protected not destroy.
Further understand to have to the present invention, below with reference to Fig. 1 to Fig. 9 to the peace for flutter test of the invention
Full device is described in detail.
As shown in Figures 1 to 9, a kind of safety dress for flutter test is provided according to a particular embodiment of the invention
It sets, which includes pedestal 10, driving assembly 20, locking terminal 30, lock clip 40, limited block 50, slotting ear 60, control list
Member and monitoring unit, using lock-screw as locking terminal 30, driving assembly 20 includes cylinder 21 and piston rod 22, flutter examination
It tests model to be fixed on pedestal 10 by screw, the middle part of lock clip 40 is rotatably arranged in by the second screw 90
On pedestal 10.
Cylinder 21 is fixed on pedestal 10 by air cylinder support 110 and cylinder fixture nut 100, and cylinder 21 can band
22 linear reciprocating motion of piston bar.One end of slotting ear 60 is threadedly coupled with piston rod 22, and the other end of slotting ear 60 passes through first
Screw 70 sequentially passes through the slotted hole 41a of lock clip 40 and slotting ear 60 and matching with the first nut 80 is tightened to realize and lock
Determine one end connection of clamp 40, the other end of lock clip 40 is selectively connected with lock terminal 40.Limited block 50 is
One end of Z-shaped configuration, limited block 50 is connect with pedestal 10, between the other end and flutter test model 200 of limited block 50
Gap cooperation.Control unit is connect with monitoring unit and driving assembly 20 respectively, and monitoring unit is for monitoring flutter test model 200
Vibratory output, the vibratory output control driving assembly 20 that control unit is used to be monitored according to monitoring unit acts.
Wherein, the vibratory output of monitoring unit real-time monitoring flutter test model 200 and the flutter test model that will be monitored
200 vibratory output feeds back to control unit, and control unit inside is previously given setting vibration threshold, and control unit will connect in real time
The vibratory output of the flutter test model 200 received is compared with setting vibration threshold, when received flutter test model 200
Vibratory output be less than setting vibration threshold when, at this time control unit control cylinder 21 movement with drive piston rod 22 stretch out, piston
Bar 22 drives lock clip 40 to rotate clockwise to separate lock clip 40 with locking 30 phase of terminal, and safety fills at this time
Set it is in the unlocked state, can to flutter test model 200 carry out flutter test.When received flutter test model 200
When vibratory output is greater than or equal to setting vibration threshold, the cylinder 21 of control unit control at this time is acted to drive piston rod 22 to withdraw,
Cylinder 21 drives lock clip 40 to rotate counterclockwise to limit to locking terminal 30, and safety device is in locking shape at this time
State can protect flutter test model 200 not destroy.
In conclusion the device is used for flutter test mistake the present invention provides a kind of safety device for flutter test
The protection of model in journey.When normal assays, cylinder piston rod stretches out, and lock clip is pushed to deviate from from lock-screw.Work as generation
When flutter, cylinder piston rod is withdrawn, and is driven lock clip to be stuck on lock-screw, is exited model chatter state, to reach
Protect the purpose of model.When flutter test, when model generate amplitude unexpected vibration when, limited block restricted model this
Kind vibration, limited model vibration amplitude are further exacerbated by.Therefore, safety device provided by the present invention compared with prior art,
It is capable of the safety of effective protection flutter test model, has broad application prospects in flutter test.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of safety device for flutter test, which is characterized in that the safety device includes:
Pedestal (10), flutter test model are arranged on the pedestal (10)；
Driving assembly (20), the driving component (20) are arranged on the pedestal (10)；
It locks terminal (30), the locking terminal (30) is arranged on flutter test model；
Lock clip (40), the lock clip (40) are rotatably arranged on the pedestal (10), the lock clip
(40) one end is connect with the driving component (20), the other end of the lock clip (40) selectively with the locking end
Sub (30) connection；
Wherein, when the vibration of flutter test model is less than given threshold, the driving component (20) drives the lock clip
(40) rotation is mutually to separate the lock clip (40) with the locking terminal (30)；When the vibration of flutter test model is greater than
Or when being equal to given threshold, the driving component (20) drives lock clip (40) rotation to the locking terminal (30)
Limit.
2. the safety device according to claim 1 for flutter test, which is characterized in that the safety device further includes
One end of limited block (50), the limited block (50) is connect with the pedestal (10), the limited block (50) it is another
End and flutter test model clearance fit.
3. the safety device according to claim 2 for flutter test, which is characterized in that limited block (50) tool
Have adjustable connecting hole (50a), the safety device further includes the first fastener, and first fastener sequentially passes through the pedestal
(10) and the adjustable connecting hole (50a) is to realize being fixedly connected between the limited block (50) and the pedestal (10),
First fastener is fixed to adjust the limited block (50) by the different location in the adjustable connecting hole (50a)
The other end and flutter test model between gap.
4. the safety device according to claim 3 for flutter test, which is characterized in that limited block (50) tool
There are multiple adjustable connecting holes (50a), the safety device further includes multiple first fasteners, and multiple described first is tight
Firmware is arranged in a one-to-one correspondence with multiple adjustable connecting holes (50a), and multiple adjustable connecting holes (50a) are arranged at intervals on institute
State the other end of limited block (50).
5. the safety device according to claim 1 for flutter test, which is characterized in that the driving component (20) packet
Include cylinder (21) and piston rod (22), the cylinder (21) is fixed on the pedestal (10), the piston rod (22) with
One end of the lock clip (40) connects, and the piston rod (22) can drive the lock clip (40) to rotate, when flutter tries
When testing the vibration of model less than given threshold, the driving component (20) drives one end of the lock clip (40) around first party
To rotation mutually to separate the lock clip (40) with the locking terminal (30)；Be greater than when the vibration of flutter test model or
When equal to given threshold, the driving component (20) drives one end of the lock clip (40) to rotate around second direction to institute
State locking terminal (30) limit.
6. the safety device according to claim 5 for flutter test, which is characterized in that lock clip (40) packet
Linkage section (41) and lock segments (42) are included, the linkage section (41) and the lock segments (42) are arranged in angle, the linkage section
(41) it is rotatably arranged on the pedestal (10), one end of the linkage section (41) is connect with the piston rod (22), institute
The other end for stating linkage section (41) is connect with the lock segments (42), and the lock segments (42) have lock slots (42a), the lock
It is selectively in mating connection with the locking terminal (30) to determine slot (42a).
7. the safety device according to claim 6 for flutter test, which is characterized in that the lock segments (42) include
The equal straight sections (421) and expansion segment (422) being connected, the length of equal straight sections (421) are the width of equal straight sections (421)
1.2 to 2 times, the expansion angle of the expansion segment (422) is 10 ° to 25 °.
8. the safety device according to claim 6 for flutter test, which is characterized in that the safety device further includes
One end of slotting ear (60), the slotting ear (60) is connect with the piston rod (22), the other end and the lock of the slotting ear (60)
Determine linkage section (41) connection of clamp (40).
9. the safety device according to claim 8 for flutter test, which is characterized in that the linkage section (41) has
Slotted hole (41a), the slotted hole (41a) is made of the first semicircle orifice, rectangular opening and the second semicircle orifice being sequentially communicated, described
Safety device further includes the second fastener, and second fastener sequentially passes through the slotted hole (41a) of the lock clip (40)
And the slotting ear (60) is to realize being rotatably connected between the lock clip (40) and the slotting ear (60).
10. the safety device according to claim 1 for flutter test, which is characterized in that the safety device also wraps
Control unit and monitoring unit are included, described control unit is connect with the monitoring unit and the driving component (20) respectively, institute
Monitoring unit is stated for monitoring the vibratory output of flutter test model, described control unit according to the monitoring unit for being monitored
Vibratory output control the driving component (20) movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968542.6A CN110160897B (en) | 2018-08-23 | 2018-08-23 | Safety device for flutter test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968542.6A CN110160897B (en) | 2018-08-23 | 2018-08-23 | Safety device for flutter test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110160897A true CN110160897A (en) | 2019-08-23 |
| CN110160897B CN110160897B (en) | 2021-08-10 |
Family
ID=67645160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810968542.6A Active CN110160897B (en) | 2018-08-23 | 2018-08-23 | Safety device for flutter test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110160897B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020069040A1 (en) * | 2000-12-05 | 2002-06-06 | Hideo Omotani | Flutter test model |
| CN102121869A (en) * | 2010-12-03 | 2011-07-13 | 苏州世力源科技有限公司 | Pneumatic shock response spectrum tester |
| CN102928190A (en) * | 2012-09-18 | 2013-02-13 | 中国空气动力研究与发展中心高速空气动力研究所 | Limiting locking device |
| CN104931366A (en) * | 2015-06-08 | 2015-09-23 | 天津大学 | Fretting fatigue testing method allowing contact load to be adjusted in real time and testing machine adopting fretting fatigue testing method |
| CN105313687A (en) * | 2014-07-23 | 2016-02-10 | 上海蓝恩控制系统有限公司 | Push-pull cable sleeve end piece locking and connecting device |
| CN106516093A (en) * | 2016-11-30 | 2017-03-22 | 中国直升机设计研究所 | Locking limit protection device |
-
2018
- 2018-08-23 CN CN201810968542.6A patent/CN110160897B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020069040A1 (en) * | 2000-12-05 | 2002-06-06 | Hideo Omotani | Flutter test model |
| CN102121869A (en) * | 2010-12-03 | 2011-07-13 | 苏州世力源科技有限公司 | Pneumatic shock response spectrum tester |
| CN102928190A (en) * | 2012-09-18 | 2013-02-13 | 中国空气动力研究与发展中心高速空气动力研究所 | Limiting locking device |
| CN105313687A (en) * | 2014-07-23 | 2016-02-10 | 上海蓝恩控制系统有限公司 | Push-pull cable sleeve end piece locking and connecting device |
| CN104931366A (en) * | 2015-06-08 | 2015-09-23 | 天津大学 | Fretting fatigue testing method allowing contact load to be adjusted in real time and testing machine adopting fretting fatigue testing method |
| CN106516093A (en) * | 2016-11-30 | 2017-03-22 | 中国直升机设计研究所 | Locking limit protection device |
Non-Patent Citations (1)
| Title |
|---|
| 李增文 等: "超声速全动翼面热颤振特性分析", 《战术导弹技术》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110160897B (en) | 2021-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101335433B (en) | Spacer jig for replacing spacer damper of overhead power lines and method of replacing spacer damper using the same | |
| CN101992391B (en) | Guide way mounting tool and guide way fixing method | |
| US10767624B2 (en) | Apparatus for joining a modular blade | |
| US20150151392A1 (en) | Clamp apparatus | |
| US10989333B2 (en) | Adjustable clamp systems and methods | |
| KR20110125754A (en) | Arrange device of connecting holes | |
| CN110160897A (en) | Safety device for flutter test | |
| CN105683564A (en) | Device and method for transporting and storing a wind turbine blade | |
| CN105932445B (en) | A kind of short circuit earthing clamp with locking anti-loose function | |
| CN114233739A (en) | A cut-off formula prevents that nut from circling round not hard up device for connecting and fastening part | |
| CN207917127U (en) | Unmanned plane and its horn Quick Release attachment device | |
| CN106737283A (en) | A kind of fixture for nmr sensor | |
| CN206856994U (en) | A kind of blade attaching/detaching apparatus, blade attaching/detaching apparatus component and unmanned vehicle | |
| CN207087761U (en) | The demounting tool of cylinder head spron dedicated tool | |
| CN109282957A (en) | Vibration detection bracket | |
| US11635104B2 (en) | Fastener for heavy transmission parts | |
| KR20130066252A (en) | An apparatus for fixing and controling position of a gas turbine engine | |
| US9233816B1 (en) | Blind flange lifting device | |
| CN106217287A (en) | A kind of fixture | |
| CN208880196U (en) | A kind of drilling machine | |
| CN109269751A (en) | Universal shaking device and its system | |
| CN221569164U (en) | Elastic constraint sleeve for fastener assembly | |
| CN205452945U (en) | Square yoke plate fixture and two cluster dead end insulator change device | |
| JPH102310A (en) | Device for mounting angle steel on other angle steel | |
| CN221803314U (en) | Mounting structure and vibration testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |