CN107345536A - A kind of Flow Field in Wind Tunnel start and stop damping device - Google Patents
A kind of Flow Field in Wind Tunnel start and stop damping device Download PDFInfo
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- CN107345536A CN107345536A CN201710758682.6A CN201710758682A CN107345536A CN 107345536 A CN107345536 A CN 107345536A CN 201710758682 A CN201710758682 A CN 201710758682A CN 107345536 A CN107345536 A CN 107345536A
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- connecting rod
- damping device
- ball
- translatory plate
- screw
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- 238000013016 damping Methods 0.000 title claims abstract description 44
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000000151 deposition Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000002474 experimental method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/002—Influencing flow of fluids by influencing the boundary layer
- F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
- F15D1/003—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention provides a kind of Flow Field in Wind Tunnel start and stop damping device, the device includes translatory plate, connecting rod, ball-screw, servomotor, casing, wallboard and sliding block connector, the casing is arranged on above wallboard, the servomotor is fixed on casing one end, and servomotor carries out axis connection by the ball-screw of shaft coupling and the casing other end;The connecting rod uses brace and connecting rod framework, and the nut on one end and ball-screw of crank connecting link is connected through the hinge, and the other end is connected through the hinge with translatory plate;The translatory plate is set with wallboard keeping parallelism.Damping device provided by the invention possesses the characteristics of compact-sized, dynamic property is good, it can install and use in the wind-tunnel of restricted clearance, flow field can be suppressed very well to start and close down moment impact load to caused by model, balance, improve the accuracy of Test Data Collecting.
Description
Technical field
The present invention relates to a kind of wind tunnel experiment device, and in particular to a kind of Flow Field in Wind Tunnel start and stop damping device, for wind
Start in the experimentation of hole in flow field and when closing down to caused by model or balance impact load suppression and damping.
Background technology
Wind tunnel experiment refers to disposes aircraft or other object models in wind-tunnel, learning gas flowing and its phase with model
Interaction, to understand a kind of aerodynamic experiment method of the air dynamic behaviour of practical flight device or other objects.It is
According to motion composition principle, the model or material object of aircraft or other objects are fixed in ground artificial environment, artificially
Manufacture air-flow flows through, and aerial various complicated state of flights is simulated with this, so as to obtain test data.
With the aerodynamic high speed development in China, wind tunnel test is not only in the research and development of aerospace engineering
In play an important role, and the fields such as communications and transportation, building construction, wind energy utilization be even more play indispensable work
With.To make result of the test accurate, flowing during experiment must be similar to actual flow regime, that is, must be fulfilled for the law of similitude will
Ask.
At present, during wind tunnel test, wind-tunnel in startup and stopping, air velocity distribution from without reach stable state or
During from stable state to disappearance, air-flow can produce an impact load to model, day equality so that model and balance hair
Raw strenuous vibration.This vibrations not only influence the accuracy of experimental test result, and generation that can be to model and balance destroys,
Result even in model and balance fractures, threaten the security of wind tunnel experiment.
Due to thering is substantial amounts of control device and measuring apparatus to be placed on test chamber in room during wind tunnel experiment, account for
With substantial amounts of space.So needing to develop a kind of damping device of compact type, to be placed on test chamber limited in room
In space, realize in wind-tunnel start and stop moment, suppress air-flow and impacted to caused by model.
The content of the invention
The purpose of the present invention is exactly in order to solve the above-mentioned technical problem, and to provide a kind of Flow Field in Wind Tunnel start and stop damping device.
The damping device possesses the characteristics of compact-sized, dynamic property is good, can install and use in the wind-tunnel of restricted clearance, can be very
Suppress flow field well and start and close down moment impact etc. and to adversely affect to caused by model, balance, so as to improve Test Data Collecting
Accuracy.The damping device uses when starting and close down particularly suitable for the flow field of supersonic wind tunnel.
To achieve these goals, the technical solution adopted by the present invention is:
A kind of Flow Field in Wind Tunnel start and stop damping device, the damping device include translatory plate, connecting rod, ball-screw, line slideway, watched
Motor, casing, wallboard and sliding block connector are taken, the casing is arranged on above wallboard, and casing has side panel and top panel, institute
Side panel one end that servomotor is fixed on casing is stated, servomotor is entered by the ball-screw of shaft coupling and the side panel other end
Row axis connection;The line slideway is fixed on plate bottom above casing, and line slideway is located above ball-screw, line slideway
On sliding block is installed, sliding block connector is fixedly mounted on the sliding block, the sliding block connector is consolidated with ball-screw by nut
Fixed connection;The connecting rod uses brace and connecting rod framework, and one end and the sliding block connector of crank connecting link are connected through the hinge, the other end
It is connected through the hinge with translatory plate;The translatory plate remains with wallboard to be arranged in parallel.
Above-mentioned damping device provided by the invention, can perform well in damping during Flow Field in Wind Tunnel start and stop, greatly reduce gas
Flow field is flowed from without during to stable state or from stable state to disappearance, and air-flow impacts to caused by model or balance.
When the device is positioned in wind-tunnel, starts in flow field before establishing, the damping is placed in the top and the bottom of balance or model
Device, first translatory plate can be adjusted to relevant work position manually(The spacing of main regulation translatory plate and model or balance), make
Then two pieces of translatory plates of top and the bottom drive ball-screw to do gyration between balance or model by servomotor,
And turned round by the nut drivening rod on ball-screw, circular motion is done so as to the translatory plate of drivening rod end, it is real
The receipts plate of existing translatory plate moves with plate is put, and is realized and weakened when flow field starts and closed down to model or balance by the limitation of translatory plate
Caused by impact, inhibit flow field well(Particularly supersonic flow field)Start and close down moment it is unstable when to model or day
Impact load caused by flat, generates good damping effect.
The damping device of the present invention sets line slideway, and sliding block and sliding block connector are installed on line slideway, passes through
Sliding block connector is connected with the nut on ball screw, realizes that the nut on ball-screw can do straight line fortune along line slideway
It is dynamic, the accuracy and accuracy of control translatory plate movement position are ensure that well.The damping device of the present invention not only possesses dynamic
The characteristics of state property can be good, and compact overall structure, are fully able to be used in limited wind-tunnel, solve Flow Field in Wind Tunnel
Being impacted to caused by model or balance influences.
The present invention ball screw be driven by servomotor, servomotor can with outside control system be associated or
Connection, the running speed of servomotor is set by control system, so as to drive ball screw to be moved along a straight line, realizes translation
The accurate receipts plate of plate operates with plate is put.
Further, the connecting rod includes first connecting rod, second connecting rod and third connecting rod, and the first connecting rod and second connect
Bar upper end is connected through the hinge with casing, and lower end is connected through the hinge with translatory plate;Described third connecting rod one end and second
It is connected through the hinge in the middle part of the crank of connecting rod, the third connecting rod other end is connected through the hinge with sliding block connector.Using three suites
The structure design of handle connecting rod, it can more conveniently and accurately control movement locus and the position of translatory plate.
Further, the damping device also includes mechanical position limitation mechanism, and the mechanical position limitation mechanism is located at ball-screw
Underface, and being be arranged in parallel with ball-screw, installs block in mechanical position limitation mechanism, block can along the activity of mechanical position limitation mechanism,
The block is connected using the optical axis in mechanical position limitation mechanism as guide rail with leading screw in mechanical position limitation mechanism, adjustable so as to realize
Mechanical stop limiter.Mechanical position limitation mechanism can carry out spacing to nut well so that do revolution fortune in control ball-screw
Possesses more precise control effect when dynamic.
Further, the translatory plate is located at below wallboard, and the first connecting rod and second connecting rod run through wallboard, and and wall
Translatory plate connection below plate.Translatory plate is located at below wallboard, the convenient motion for controlling translatory plate, and provides enough translatory plates
Space.
Further, the wallboard bottom is provided for depositing the translatory plate accommodating groove of translatory plate.Can be by translatory plate folding and unfolding
Into translatory plate accommodating groove, and it can farthest reduce the influence of damping device stream field during flow field is established.
Further, the second connecting rod, third connecting rod, ball-screw and servomotor composition slider-crank mechanism, lead to
Cross servomotor driving ball-screw and do gyration, and second connecting rod and third connecting rod are driven by the nut on ball-screw
Do gyration.
Further, the translatory plate, first connecting rod, second connecting rod and casing composition parallel four-bar linkage, pass through tool
There are the first connecting rod of crank structure and second connecting rod to do gyration so as to drive translatory plate to do circular motion, translatory plate does circular arc
During motion all the time with wallboard keeping parallelism.
Further, the translatory plate, first connecting rod and second connecting rod are designed to surrounding chamfering structure.Fallen using surrounding
It the structure design at angle, can effectively reduce resistance in flow field, and play certain guide functions.
The beneficial effects of the present invention are:
(1)The damping device of the present invention drives ball-screw to be driven using servomotor, it is ensured that translatory plate is quick, accurate
Be moved to position needed for test section;
(2)The crank connecting link that the present invention uses constitutes slider-crank mechanism and parallel four-bar linkage with other devices, can
Translatory plate is completed circular motion very well in the confined space, possess the advantages of dynamic property is good, and compact overall structure, device
High capacity;
(3)The present invention makes translatory plate do receipts plate on circular arc direction and puts plate motion, and staggered translatory plate and translatory plate well
The position of accommodating groove, reduce influence of the notch position to flow field at model.
Brief description of the drawings
Fig. 1 is the damping device translatory plate deployed configuration schematic diagram of the present invention;
Fig. 2 is the damping device translatory plate contraction structure schematic diagram of the present invention;
Fig. 3 is the damping device structural representation of the present invention.
Embodiment
In order that technical scheme and main points are clearer, with reference to embodiments and accompanying drawing the present invention is done into
One step illustrates that following embodiments and accompanying drawing are used only for explaining the present invention, the protection domain being not intended to limit the present invention.
Embodiment 1
As Figure 1-3, it is a kind of Flow Field in Wind Tunnel start and stop damping device provided by the invention, the damping device includes translatory plate
1st, connecting rod 2(It is made up of first connecting rod 2-1, second connecting rod 2-2 and third connecting rod 2-3), ball-screw 3, mechanical position limitation mechanism
4th, line slideway 5, servomotor 6, casing 7, wallboard 8 and sliding block connector 9, its middle case 7 are arranged on the top of wallboard 8, casing 7
With side panel and top panel, servomotor 6 is fixed on side panel one end of casing 7, and servomotor 6 passes through shaft coupling and side
The ball-screw 3 of the plate other end carries out axis connection;Line slideway 5 is fixed on plate bottom above casing 7, and line slideway 5 is located at
Above ball-screw 3, sliding block 5-1 is installed on line slideway 5, sliding block connector 9, sliding block connection are fixedly mounted on sliding block 5-1
Part 9 is fixedly connected with ball-screw 3 by nut 3-1.
Connecting rod 2 is made up of first connecting rod 2-1, second connecting rod 2-2 and third connecting rod 2-3, using brace and connecting rod framework,
One connecting rod 2-1 and second connecting rod 2-2 upper ends are connected through the hinge with casing 7, and lower end is connected through the hinge with translatory plate 1;
With being connected through the hinge in the middle part of second connecting rod 2-2 crank, the third connecting rod 2-3 other ends connect with sliding block for third connecting rod 2-3 one end
Fitting 9 is connected through the hinge.Translatory plate 1 is located at the lower section of wallboard 8, and first connecting rod 2-1 and second connecting rod 2-2 run through wallboard 8, and with
The translatory plate 1 of the lower section of wallboard 8 is connected, and translatory plate 1 is set with the keeping parallelism of wallboard 8, and translatory plate 1, first connecting rod 2-1 and second connect
Bar 2-2 is designed to surrounding chamfering structure, and the bottom of wallboard 8 is provided with the translatory plate accommodating groove 10 for depositing translatory plate 1.
Wherein, second connecting rod 2-2, third connecting rod 2-3, ball-screw 3 and servomotor 6 form slider-crank mechanism, lead to
Crossing servomotor 6 drives ball-screw 3 to do gyration, and drives third connecting rod 2-3 by the nut 3-1 on ball-screw 3
Gyration is done with second connecting rod 2-2.
Wherein, translatory plate 1, first connecting rod 2-1, second connecting rod 2-2 and casing 7 form parallel four-bar linkage, by the
One connecting rod 2-1 and second connecting rod 2-2 does gyration so as to drive translatory plate 1 to do circular motion, when translatory plate 1 does circular motion
All the time with the keeping parallelism of wallboard 8.
Mechanical position limitation mechanism 4 is located at immediately below ball-screw 3, and is be arranged in parallel with ball-screw 3, mechanical position limitation mechanism 4
Upper installation block 4-1, block 4-1 are connected using the optical axis in mechanical position limitation mechanism 4 as guide rail with leading screw in mechanical position limitation mechanism 4,
So as to realize adjustable mechanical stop limiter, block 4-1 can be correspondingly along mechanical position limitation mechanism when nut 3-1 is moved
4 do the movement of equidirectional.
Application examples 1
Damping device in the embodiment of the present invention 1 is tested for supersonic wind tunnel, before wind tunnel experiment, balance in wind-tunnel or
A set of damping device is respectively adopted above and below model, before the startup of wind-tunnel supersonic flow field, first translatory plate 1 is adjusted manually
It is whole to relevant work position(Spacing between main regulation translatory plate and model), balance or model is located at the flat of upper and lower
Between dynamic plate 1, when wind-tunnel starts moment, due to the limitation of upper and lower translatory plate 1 slight vibrations can only occur for balance or model;
After air velocity distribution reaches stabilization, instruction is sent by the control system of external connection and forces servomotor 6 to drive ball-screw 3
Do gyration, and drivening rod 2(Including first connecting rod 2-1, second connecting rod 2-2 and third connecting rod 2-3)Revolution fortune occurs
It is dynamic, finally drive translatory plate 1 to be done to the direction of wallboard 8 by connecting rod 2 and receive plate action, and translatory plate 1 is received to translatory plate accommodating groove
In 10, so as to reduce the influence of damping device stream field, ensure the authenticity of the flow field active force that balance or model are subject to and steady
It is qualitative.Before needing to close down flow field, sending instruction by control system makes the drive link 2 of servomotor 6 launch translatory plate 1
Relevant work position, then turns off flow field, effective damping during so as to realize that flow field is closed down, and reaches and suppresses when flow field is closed down pair
Impact load caused by model.
Find, tested using the damping device of the present invention for Flow Field in Wind Tunnel, with not using damping to fill by repeatedly test
Put and compare, the flowfield impingement load that model starts and closed down suffered by moment in flow field reduces about 40 %, and model uses the longevity
Life is extended, and compared with before unused damping device, the service life of model extends more than 1 times;Wind tunnel test detects
Model data accuracy rate greatly improve, carry out ten detection the data obtained results and be more or less the same, and when not using damping device
The data float detected is larger, and the maximum and minimum value difference in ten detections are larger, and error range is more than 2 %.
Claims (8)
1. a kind of Flow Field in Wind Tunnel start and stop damping device, it is characterised in that the damping device includes translatory plate(1), connecting rod(2)、
Ball-screw(3), line slideway(5), servomotor(6), casing(7), wallboard(8)With sliding block connector(9), the casing
(7)Installed in wallboard(8)Top, casing(7)With side panel and top panel, the servomotor(6)It is fixed on casing(7)'s
Side panel one end, servomotor(6)Pass through shaft coupling and the ball-screw of the side panel other end(3)Carry out axis connection;It is described straight
Line guide rail(5)It is fixed on casing(7)Above plate bottom, line slideway(5)Positioned at ball-screw(3)Top, line slideway(5)
On sliding block is installed(5-1), the sliding block(5-1)Upper fixed installation sliding block connector(9), the sliding block connector(9)With rolling
Ballscrew(3)Pass through nut(3-1)It is fixedly connected;The connecting rod(2)Using brace and connecting rod framework, one end of crank connecting link and cunning
Block connector(9)It is connected through the hinge, the other end and translatory plate(1)It is connected through the hinge;The translatory plate(1)With wallboard(8)
Remain parallel.
2. Flow Field in Wind Tunnel start and stop damping device according to claim 1, it is characterised in that the connecting rod(2)Including first
Connecting rod(2-1), second connecting rod(2-2)And third connecting rod(2-3), the first connecting rod(2-1)And second connecting rod(2-2)Upper end is equal
With casing(7)It is connected through the hinge, lower end is and translatory plate(1)It is connected through the hinge;The third connecting rod(2-3)One end and the
Two connecting rods(2-2)Crank in the middle part of be connected through the hinge, third connecting rod(2-3)The other end and sliding block connector(9)Pass through hinge
Connection.
3. Flow Field in Wind Tunnel start and stop damping device according to claim 1 or 2, it is characterised in that the damping device also wraps
Include mechanical position limitation mechanism(4), the mechanical position limitation mechanism(4)Positioned at ball-screw(3)Underface, and and ball-screw(3)It is flat
Row is set, mechanical position limitation mechanism(4)The upper mobilizable block of installation(4-1).
4. Flow Field in Wind Tunnel start and stop damping device according to claim 2, it is characterised in that the translatory plate(1)Positioned at wall
Plate(8)Lower section, the first connecting rod(2-1)And second connecting rod(2-2)Through wallboard(8), and and wallboard(8)The translatory plate of lower section
(1)Connection.
5. Flow Field in Wind Tunnel start and stop damping device according to claim 4, it is characterised in that the wallboard(8)Bottom is set
Have for depositing translatory plate(1)Translatory plate accommodating groove(10).
6. Flow Field in Wind Tunnel start and stop damping device according to claim 4, it is characterised in that the second connecting rod(2-2),
Three connecting rods(2-3), ball-screw(3)And servomotor(6)Slider-crank mechanism is formed, passes through servomotor(6)Drive ball
Leading screw(3)Gyration is done, and passes through ball-screw(3)On nut(3-1)Drive second connecting rod(2-2)And third connecting rod
(2-3)Do gyration.
7. Flow Field in Wind Tunnel start and stop damping device according to claim 4, it is characterised in that the translatory plate(1), first connect
Bar(2-1), second connecting rod(2-2)And casing(7)Parallel four-bar linkage is formed, passes through the first connecting rod with crank structure
(2-1)And second connecting rod(2-2)Gyration is done so as to drive translatory plate(1)Do circular motion, translatory plate(1)Do circular motion
When all the time with wallboard(8)Keeping parallelism.
8. Flow Field in Wind Tunnel start and stop damping device according to claim 4, it is characterised in that the translatory plate(1), first connect
Bar(2-1)And second connecting rod(2-2)It is designed to surrounding chamfering structure.
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CN201710758682.6A CN107345536B (en) | 2017-08-29 | 2017-08-29 | Wind tunnel flow field start-stop damping device |
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CN201710758682.6A CN107345536B (en) | 2017-08-29 | 2017-08-29 | Wind tunnel flow field start-stop damping device |
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CN107345536B CN107345536B (en) | 2024-01-02 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107764506A (en) * | 2017-11-16 | 2018-03-06 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of anti-impact device and method for being applied to balance in intermittent wind tunnel |
CN111006838A (en) * | 2019-11-29 | 2020-04-14 | 中国航天空气动力技术研究院 | Nested movable wind tunnel collector device |
CN112985737A (en) * | 2021-01-20 | 2021-06-18 | 中国空气动力研究与发展中心高速空气动力研究所 | Actuating mechanism of wind tunnel test auxiliary device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH075066A (en) * | 1993-06-17 | 1995-01-10 | Mitsubishi Heavy Ind Ltd | Rolling regulation device for wind tunnel testing model |
JP2000356567A (en) * | 1999-06-14 | 2000-12-26 | Japan Science & Technology Corp | Vibration device for testing wind tunnel |
JP2002147522A (en) * | 2000-11-07 | 2002-05-22 | Ishikawajima Harima Heavy Ind Co Ltd | Vertical direction damping device |
CN106441779A (en) * | 2015-08-06 | 2017-02-22 | 无锡市羲和科技有限公司 | Apparatus for measuring three-degree-of-freedom dynamic stability parameters of aircraft in high-speed wind tunnel |
CN106840585A (en) * | 2016-12-29 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of supersonic wind tunnel test section adjusting means for possessing angle regulating function |
CN207145384U (en) * | 2017-08-29 | 2018-03-27 | 成都华远科技有限公司 | A kind of Flow Field in Wind Tunnel start and stop damping device |
-
2017
- 2017-08-29 CN CN201710758682.6A patent/CN107345536B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH075066A (en) * | 1993-06-17 | 1995-01-10 | Mitsubishi Heavy Ind Ltd | Rolling regulation device for wind tunnel testing model |
JP2000356567A (en) * | 1999-06-14 | 2000-12-26 | Japan Science & Technology Corp | Vibration device for testing wind tunnel |
JP2002147522A (en) * | 2000-11-07 | 2002-05-22 | Ishikawajima Harima Heavy Ind Co Ltd | Vertical direction damping device |
CN106441779A (en) * | 2015-08-06 | 2017-02-22 | 无锡市羲和科技有限公司 | Apparatus for measuring three-degree-of-freedom dynamic stability parameters of aircraft in high-speed wind tunnel |
CN106840585A (en) * | 2016-12-29 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of supersonic wind tunnel test section adjusting means for possessing angle regulating function |
CN207145384U (en) * | 2017-08-29 | 2018-03-27 | 成都华远科技有限公司 | A kind of Flow Field in Wind Tunnel start and stop damping device |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107764506A (en) * | 2017-11-16 | 2018-03-06 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of anti-impact device and method for being applied to balance in intermittent wind tunnel |
CN107764506B (en) * | 2017-11-16 | 2024-03-22 | 中国空气动力研究与发展中心高速空气动力研究所 | Impact-resistant device and method applied to balance in temporary impact type wind tunnel |
CN111006838A (en) * | 2019-11-29 | 2020-04-14 | 中国航天空气动力技术研究院 | Nested movable wind tunnel collector device |
CN112985737A (en) * | 2021-01-20 | 2021-06-18 | 中国空气动力研究与发展中心高速空气动力研究所 | Actuating mechanism of wind tunnel test auxiliary device |
CN112985737B (en) * | 2021-01-20 | 2024-01-19 | 中国空气动力研究与发展中心高速空气动力研究所 | Actuating mechanism of auxiliary device for wind tunnel test |
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Effective date of registration: 20240104 Address after: 621000 No.6, south section of the Second Ring Road, Fucheng District, Mianyang City, Sichuan Province Patentee after: Institute of High Speed Aerodynamics, China Aerodynamic Research and Development Center Address before: Room 2512, 25th Floor, No. 66 Cuilong Street, Longquan Street, Longquanyi District, Chengdu City, Sichuan Province, 610100 Patentee before: CHENGDU HUAYUAN TECHNOLOGY CO.,LTD. |