CN206818381U - Low resistance Three Degree Of Freedom support meanss based on virtual flight test model - Google Patents
Low resistance Three Degree Of Freedom support meanss based on virtual flight test model Download PDFInfo
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- CN206818381U CN206818381U CN201720658453.2U CN201720658453U CN206818381U CN 206818381 U CN206818381 U CN 206818381U CN 201720658453 U CN201720658453 U CN 201720658453U CN 206818381 U CN206818381 U CN 206818381U
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- free
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- rolling
- yawing rotation
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Abstract
A kind of low resistance Three Degree Of Freedom support meanss based on virtual flight test model are the utility model is related to, the support meanss can make model realization pitching, rolling, the free coupling rotational in three directions of going off course by being connected firmly with virtual flight test model.In addition, lock two-by-two can be with the motor function of implementation model single-degree-of-freedom for Three Degree Of Freedom.The device includes that free rolling movement is secondary, the secondary and free yawing rotation pair of free elevating movement.Coupled between each kinematic pair by bearing assembly, implementation model attitude angle freely turns.The utility model has the advantages that kinetic damping is small, small to Flow Field in Wind Tunnel interference, range of movement is adjustable, in light weight, convenient operating maintenance.
Description
Technical field
It the utility model is related to a kind of low resistance Three Degree Of Freedom support meanss based on virtual flight test model.
Background technology
Wind-tunnel virtual flight experimental technique is a kind of advanced wind tunnel test and the assessment technology of last century end U.S.'s proposition,
The technology provides a kind of method assessed Design of Flight Control and verified in wind-tunnel so that Control System Design
Gentle dynamic analysis is carried out parallel, the problem of control system is present is found initial stage in research, so as to substantially reduce flight test
Risk, shorten the R＆D cycle.The technology can safely and effectively assess unsteady aerodynamic force to aircraft flight quality and flight
The influence of control system, the bridge being known as between wind tunnel test and flight test.
Virtual flight test requirements document model, by the action of control surface, produces aerodynamic force, control under angle free state
Model attitude is moved as requested, and the purpose of experiment is to establish a kind of research meanses of pneumatic/motion/control integration,
Pilot system can carry out the identification of model aerodynamic parameter, the checking of Flight Control Law and the checking of various motion of automobile forms
Deng.
The experiment of wind-tunnel virtual flight be unable to do without support system, and support system is the basis of guarantee test credible result degree and closed
Key.Experiment need by dummy vehicle be arranged on rotary freedom Special supporting device on realize free pitching, partially
Boat, rolling, simulated flight device motion of automobile process more true to nature is so as to realizing virtual " flight ".
Traditional model in wind tunnel support meanss generally use serial mechanism, the quantity of its mechanism freedom depend on phase
The quantity of shifting axle and rotary shaft is answered, its weight is big, and range of movement regulation is difficult, and damping is big.
Utility model content
Based on above weak point, the utility model provides a kind of low resistance three based on virtual flight test model freely
Support meanss are spent, virtual flight test model is realized pitching, rolling, the free coupling rotational in three directions of going off course, so as to protect
Demonstrate,prove virtual flight wind tunnel test data precision.
Technical solution of the present utility model is：A kind of low resistance Three Degree Of Freedom branch based on virtual flight test model
Support arrangement, including free rolling movement is secondary, free elevating movement is secondary and free yawing rotation pair, free rolling movement pair passes through one
To rolling deep groove ball bearing, the both upper ends thereof axial direction secondary with free elevating movement couples, and this is symmetrical to rolling deep groove ball bearing
Be arranged in free elevating movement pair both ends, be provided with free rolling movement pair both ends with axle one rolling bearing (ball) cover with
And rolling bearing adjust pad, adopt and be screwed, ensure model in free rolling movement rolling deep groove ball bearing it is normal
Rotation；Free elevating movement pair radial direction is connect by a pair of pitching deep groove ball bearings and free yawing rotation duplicate invoice, and this is to bowing
Face upward deep groove ball bearing to be arranged symmetrically in free yawing rotation pair upper recess, free elevating movement pair both ends are provided with and axle one
The pitch bearing end cap and pitch bearing adjust pad of body, adopt and are screwed, and ensure that model is bowed in free elevating movement
Face upward the normal rotation of deep groove ball bearing；The axial direction of free yawing rotation pair lower end is equipped with a pair of driftage deep groove ball bearings, two driftages
It is furnished with axle sleeve between deep groove ball bearing, outside is cased with yawing rotation bearing mounting base, in the secondary bottom of free yawing rotation and tool
Reeded lock nut contact, lock nut upper end ring are furnished with adjusting washer, and bottom is fixed using screw lock, outer cover
There is yawing rotation bearing (ball) cover, the top ring of yawing rotation bearing (ball) cover is joined using screw and yawing rotation bearing mounting base
Connect, lower end couples as straight mouth with driftage pole.
The utility model also has following technical characteristic：
1st, four secondary Ge Nei corners of described free rolling movement have been arranged symmetrically the rolling of four regulation roll angles
Stop screw, the maximum angle of regulation or limitation rolling movement can be required according to actual tests.
2nd, the secondary axle sleeve lower end radial symmetric of described free elevating movement arranges the pitching of two adjusting pitch angles
Stop screw, the maximum angle of regulation or limitation elevating movement can be required according to actual tests.
3rd, the lock nut connect with free yawing rotation duplicate invoice, gap is left between outside yawing rotation bearing (ball) cover,
Lock nut radially has two symmetrical boss simultaneously.
4th, described yawing rotation bearing (ball) cover is circumferentially disposed three driftage stop screws, by adjusting this three driftages
Stop screw, you can the maximum angle of regulation required for reaching or limitation yawing rotation.
The utility model has critically important realistic meaning for virtual flight wind tunnel test, is virtual flight wind tunnel test
It is crucial and basic, its application prospect is very wide.Due to using above-mentioned design, test model can be made to realize pitching, rolling
Turn, the free coupling rotational in three directions of driftage, while can lock two-by-two both can be with implementation model single-degree-of-freedom for Three Degree Of Freedom
Motor function, it is spacing to facilitate model installation and debugging that low-angle can be carried out again.All directions are free to rotate through high-precision combination
Rolling bearing is realized, ensures that it has relatively low kinetic damping.The device influences smaller on the flow field smoothness in wind-tunnel simultaneously,
Meet support strength requirement, have the advantages that range of movement is adjustable, in light weight, convenient operating maintenance.
Brief description of the drawings
Fig. 1 is the superstructure main view profile of the utility model device；
Fig. 2 is the substructure side cutaway view of the utility model device；
Wherein, 1, free rolling movement pair, 2, free elevating movement pair, 3, free yawing rotation pair, 4, screw, 5, rolling
Bearing (ball) cover, 6, rolling bearing adjust pad, 7, rolling deep groove ball bearing, 8, pitching stop screw, 9, pitch bearing end cap,
10th, pitch bearing adjust pad, 11, pitching deep groove ball bearing, 12, driftage deep groove ball bearing, 13, the installation of yawing rotation bearing
Seat, 14, axle sleeve, 15, adjusting washer, 16, lock nut, 17, yawing rotation bearing (ball) cover, 18 be driftage pole.
Embodiment
Following specific implementation examples are included with reference to Figure of description, the technical solution of the utility model is done furtherly
It is bright.
Embodiment 1
As shown in Figure 1-2, a kind of low resistance Three Degree Of Freedom support meanss based on virtual flight test model, including freedom
Rolling movement pair 1, free elevating movement pair 2 and free yawing rotation pair 3, are reserved in free rolling movement pair 3 and virtual flight
The installation screw of test model main body connection, free rolling movement pair 1 are transported by a pair of rolling deep groove ball bearings 7 and free pitching
The both upper ends thereof axial direction connection of dynamic pair 2, this is arranged symmetrically in secondary 2 both ends of free elevating movement to rolling deep groove ball bearing 7
It is interior, the rolling bearing (ball) cover 5 and rolling bearing adjust pad 6 with axle one are provided with secondary 1 both ends of free rolling movement, is adopted
It is screwed, ensures the normal rotation of model rolling deep groove ball bearing 7 in free rolling movement；Free elevating movement pair 2
Radial direction is coupled by a pair of pitching deep groove ball bearings 11 with free yawing rotation pair 3, and this is right to pitching deep groove ball bearing 11
Title is arranged in secondary 3 upper recess of free yawing rotation, and secondary 2 both ends of free elevating movement are provided with the pitch bearing with axle one
End cap 9 and pitch bearing adjust pad 10, adopt and are screwed, and ensure model pitching deep-groove ball axle in free elevating movement
Hold 11 normal rotation；The axial direction of secondary 3 lower ends of free yawing rotation is equipped with a pair of driftage deep groove ball bearings 12, two driftage deep-groove balls
Be furnished with axle sleeve 14 between bearing 12, outside is cased with yawing rotation bearing mounting base 13, the bottom of free yawing rotation pair 3 with
Having reeded lock nut 16 to contact, lock nut upper end ring is furnished with adjusting washer 15, and bottom is fixed using screw lock,
Outside is cased with yawing rotation bearing (ball) cover 17, and the top ring of yawing rotation bearing (ball) cover 17 is using screw and yawing rotation bearing
Mounting seat 13 couples, and lower end couples as straight mouth with driftage pole 18.Four interior turnings of described free rolling movement pair 1
Place has been arranged symmetrically the rolling stop screw of four regulation roll angles.The axle sleeve lower end footpath of described free elevating movement pair 2
To the pitching stop screw 8 for being arranged symmetrically two adjusting pitch angles.The lock nut coupled with free yawing rotation pair 3
Gap is left between 16, and outside yawing rotation bearing (ball) cover 17, while the radial direction of lock nut 16 has two symmetrical boss.
Free rolling movement is secondary to be coupled with virtual flight test model main body, by a pair of high-precision deep groove ball bearings and certainly
Coupled by elevating movement pair axial direction, radial load and axial direction can be born simultaneously when model free rolling movement in wind-tunnel
Load, and these two pair deep groove ball bearing is arranged symmetrically, and ensure that the normal rotation of model deep groove ball bearing in free rolling movement
Turn.Similarly, free elevating movement pair radial direction passes through a pair of high-precision deep groove ball bearings and the secondary radial direction side of free yawing rotation
To connection, and these two pair deep groove ball bearing is arranged symmetrically, ensure that model in free elevating movement deep groove ball bearing it is normal
Rotation.Free yawing rotation pair is coupled by one group of high accuracy deep groove ball bearing with driftage pole in the axial direction, is realized freely
Yawing rotation.Model can bear radial load and axial load simultaneously in wind-tunnel during free rolling movement.It is virtual by controlling
Flight test model manipulation deflecting facet carrys out the motion of Controlling model, finally realizes the simulation of model in wind tunnel state of flight.
Four secondary Ge Nei corners of free rolling movement have been arranged symmetrically the rolling stop screw of four regulation roll angles,
Roll angle can be limited according to adjusting screw position is actually needed.Similarly the secondary axle sleeve lower end of free elevating movement is radially right
Claim the pitching stop screw for arranging two adjusting pitch angles, limitation can be adjusted according to adjusting screw position is actually needed
The angle of pitching.Gap is left between the lock nut connect with free yawing rotation duplicate invoice, and outside yawing rotation bearing (ball) cover,
Its radial direction has two symmetrical boss simultaneously.The three driftage spacing spiral shells circumferentially disposed by adjusting yawing rotation bearing (ball) cover 17
Nail, you can the maximum angle of regulation required for reaching or limitation yawing rotation.
The Three Degree Of Freedom support meanss of the present embodiment have been successfully applied in certain aircraft virtual flight wind tunnel test.The present apparatus
Have the advantages that low resistance, to Flow Field in Wind Tunnel disturb it is small, range of movement is adjustable, be applied in virtual flight wind tunnel test move spirit
It is living, installation, convenient disassembly.
Claims (5)
1. a kind of low resistance Three Degree Of Freedom support meanss based on virtual flight test model, including free rolling movement secondary (1),
Free elevating movement secondary (2) and free yawing rotation are secondary (3), it is characterised in that：Free rolling movement secondary (1) passes through a pair of rollings
Deep groove ball bearing (7) couples with the both upper ends thereof axial direction of free elevating movement secondary (2), and this is to rolling deep groove ball bearing (7)
It is arranged symmetrically in secondary (2) both ends of free elevating movement, the rolling with axle one is provided with secondary (1) both ends of free rolling movement
Bearing (ball) cover (5) and rolling bearing adjust pad (6), adopt and are screwed, and ensure model rolling in free rolling movement
The normal rotation of deep groove ball bearing (7)；Secondary (2) radial direction of free elevating movement by a pair of pitching deep groove ball bearings (11) with
Free yawing rotation secondary (3) connection, it is recessed that this is arranged symmetrically in secondary (3) upper end of free yawing rotation to pitching deep groove ball bearing (11)
In groove, secondary (2) both ends of free elevating movement are provided with pitch bearing end cap (9) and pitch bearing adjust pad with axle one
(10), adopt and be screwed, ensure the normal rotation of model pitching deep groove ball bearing (11) in free elevating movement；Freely partially
The axial direction of boat kinematic pair (3) lower end is equipped with a pair of driftage deep groove ball bearings (12), is furnished between two driftage deep groove ball bearings (12)
Axle sleeve (14), outside are cased with yawing rotation bearing mounting base (13), reeded with having in the bottom of free yawing rotation secondary (3)
Lock nut (16) contacts, and lock nut upper end ring is furnished with adjusting washer (15), and bottom is fixed using screw lock, outer cover
There is yawing rotation bearing (ball) cover (17), the top ring of yawing rotation bearing (ball) cover (17) is pacified using screw and yawing rotation bearing
Seat (13) connection is filled, lower end couples as straight mouth with driftage pole (18).
2. a kind of low resistance Three Degree Of Freedom support meanss based on virtual flight test model according to claim 1, its
It is characterised by：Four Ge Nei corners of described free rolling movement secondary (1) have been arranged symmetrically the rolling of four regulation roll angles
Turn stop screw.
3. a kind of low resistance Three Degree Of Freedom support meanss based on virtual flight test model according to claim 1, its
It is characterised by：The axle sleeve lower end radial symmetric of described free elevating movement secondary (2) arranges bowing for two adjusting pitch angles
Face upward stop screw (8).
4. a kind of low resistance Three Degree Of Freedom support meanss based on virtual flight test model according to claim 1, its
It is characterised by：The lock nut (16) coupled with free yawing rotation secondary (3), between outside yawing rotation bearing (ball) cover (17)
Gap is left, while lock nut (16) radially has two symmetrical boss.
5. a kind of low resistance Three Degree Of Freedom support meanss based on virtual flight test model according to claim 1, its
It is characterised by：Described yawing rotation bearing (ball) cover (17) is circumferentially disposed three driftage stop screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658453.2U CN206818381U (en) | 2017-06-08 | 2017-06-08 | Low resistance Three Degree Of Freedom support meanss based on virtual flight test model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658453.2U CN206818381U (en) | 2017-06-08 | 2017-06-08 | Low resistance Three Degree Of Freedom support meanss based on virtual flight test model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818381U true CN206818381U (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720658453.2U Withdrawn - After Issue CN206818381U (en) | 2017-06-08 | 2017-06-08 | Low resistance Three Degree Of Freedom support meanss based on virtual flight test model |
Country Status (1)
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| CN (1) | CN206818381U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036781A (en) * | 2017-06-08 | 2017-08-11 | 中国航空工业集团公司哈尔滨空气动力研究所 | Low resistance Three Degree Of Freedom support meanss based on virtual flight test model |
| CN110207943A (en) * | 2019-06-26 | 2019-09-06 | 中国航天空气动力技术研究院 | Hypersonic wind tunnel virtual flight pilot system and test method |
-
2017
- 2017-06-08 CN CN201720658453.2U patent/CN206818381U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036781A (en) * | 2017-06-08 | 2017-08-11 | 中国航空工业集团公司哈尔滨空气动力研究所 | Low resistance Three Degree Of Freedom support meanss based on virtual flight test model |
| CN107036781B (en) * | 2017-06-08 | 2023-04-25 | 中国航空工业集团公司哈尔滨空气动力研究所 | Low-damping three-degree-of-freedom supporting device based on virtual flight test model |
| CN110207943A (en) * | 2019-06-26 | 2019-09-06 | 中国航天空气动力技术研究院 | Hypersonic wind tunnel virtual flight pilot system and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171229 Effective date of abandoning: 20230425 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171229 Effective date of abandoning: 20230425 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |