CN105865742B - A kind of wind tunnel test boat hair Thrust-vectoring Nozzle steering - Google Patents
A kind of wind tunnel test boat hair Thrust-vectoring Nozzle steering Download PDFInfo
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- CN105865742B CN105865742B CN201610210207.0A CN201610210207A CN105865742B CN 105865742 B CN105865742 B CN 105865742B CN 201610210207 A CN201610210207 A CN 201610210207A CN 105865742 B CN105865742 B CN 105865742B
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- 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
- G01M9/02—Wind tunnels
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Abstract
The present invention discloses a kind of wind tunnel test boat hair Thrust-vectoring Nozzle steering, including jet pipe steering, main control computer and aero-engine simulator, and the jet pipe steering includes controller, motor, transmission mechanism, steering mechanism and receive to expand spout；The controller is in communication with each other with the main control computer, and the output end of the controller connects the control port of the motor；The motor drives steering mechanism to move by transmission mechanism, drives receipts to expand spout by steering mechanism and deflects, realize the controllable deflection of omnidirectional of model aircraft nozzle.System proposed by the invention disclosure satisfy that the wind tunnel test needs about Thrust Vectoring Technology correlation, automatically adjust the deflection of vector spray, and test efficiency is high.
Description
Technical field
The invention belongs to wind tunnel experiment engineering device technique field, more particularly to a kind of wind tunnel test boat hair Thrust-vectoring Nozzle
Steering.
Background technology
There is good post stall maneuver ability and STOL with the new fighter that the Dai Jiwei of F22, T50 etc. four is represented
Ability, and to possess these abilities, current most efficient method is exactly to use Thrust Vectoring Technology.Thrust Vectoring Technology refers to logical
Cross the deflection of real-time control aircraft engine jet pipe to change engine exhaust direction, so that aircraft obtains extra behaviour
The characteristics of vertical torque, its protrusion is operating torque relevant with the yawing moment of jet pipe, and by aircraft, attitude is not influenceed in itself.Profit
The feature is used, low speed, big angle of attack maneuvering flight and the volume that is provided using thrust vectoring during a few near failures of control surface can be made in aircraft
Outer operating torque controls the maneuvering flight of aircraft.Using Thrust Vectoring Technology not only air maneuver can greatly improve,
And the liftoff and touchdown speed for reducing aircraft is also helped, and shorten the ground run distance of aircraft, it is provided with aircraft unprecedented
STOL capability.In addition, using thrust vectoring, aircraft control surface can be substantially reduced, so that the Stealth Fighter of aircraft
Improved.It can be said that the application of aircraft thrust vectoring technology can assign fighter plane super maneuverability, STOL and low visit
The property surveyed, is greatly enhanced the operation validity and survival ability of fighter plane.
In order to obtain influence of the boat hair thrust vectoring to aircraft handling, the Flight Control Law design for meeting aircraft will
Ask, domestic and international major research institutions have carried out substantial amounts of ground experiment and wind tunnel test.At present, wind tunnel test is still
The resource of research and development comprehensively and the unique feasible of mass data needed for checking aerocraft system is provided, and it is related to carry out thrust vectoring
Ground flying experiment and wind-tunnel technique research, a kind of effective method is exactly to develop wind tunnel test aircraft engine
Vector spray, and based on this carry out wind tunnel test and ground flying experiment, so as to obtain related data.
The research of relevant wind-tunnel boat hair Thrust Vectoring Technology, is carried out based on the jet pipe of fixed deflection angle at present
, the deflection of vector spray can not be still automatically controlled, test efficiency is low, and cannot carry out the related wind-tunnel mould of boat hair thrust vectoring
Type free flight test.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of wind tunnel test boat hair Thrust-vectoring Nozzle steering, energy
Enough meet about the related wind tunnel test needs of Thrust Vectoring Technology, automatically adjust the deflection of vector spray, effectively increase examination
Test efficiency.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of wind tunnel test boat hair Thrust-vectoring Nozzle turns
To system, including jet pipe steering, main control computer and aero-engine simulator, the jet pipe steering includes control
Device, motor, transmission mechanism, steering mechanism and receipts expand spout；
The controller is in communication with each other with the main control computer, and the output end of the controller connects the control of the motor
Port processed；The motor drives steering mechanism to move by transmission mechanism, drives receipts to expand spout by steering mechanism and deflects, realize flying
The controllable deflection of omnidirectional of machine model engine jet pipe；
The steering mechanism include fixing end, yaw angle mechanism and angle of pitch mechanism, the fixing end, yaw angle mechanism and
Angle of pitch mechanism is sequentially connected in series, and the rotary shaft of the yaw angle mechanism and angle of pitch mechanism is mutually perpendicular to, yaw angle and the angle of pitch
Motion will not be interfered；
The fixing end of the steering mechanism is connected firmly with the outlet of the aero-engine simulator, and the steering mechanism goes out
Mouth end connects firmly with expansion spout is received, and the pressure-air that aero-engine simulator sends is sprayed from expansion spout is received by steering mechanism
Go out.
It is further that the jet pipe steering is arranged on inside model aircraft, by the master for controlling cable and outside
Control computer connection.Make the compact conformation of system, appearance and size small using this design, meet wide size in model aircraft
Restrictive condition is installed；In process of the test the system is not contacted and without prominent model surface with model aircraft housing, it is to avoid examination
Its influence to the measurement of model aerodynamic loading when testing, meets low-speed wind tunnel test and model aircraft and mechanism's appearance and size is wanted
Ask.
It is further that the steering mechanism uses the cannulated structure of controlled deflection, by aero-engine simulator
The pressure-air for sending by receiving according to given deflection angle behind the inner passage of steering mechanism by expanding spout ejection.By control
Controllable adjustment of the device to steering mechanism's corner so that the receipts expansion spout direction for flowing through steering mechanism's internal high pressure air is controllable, from
And realize omnidirectional's deflection simulation in aero-engine simulator exhaust airstream direction.
It is further that the yaw angle mechanism and angle of pitch mechanism of the steering mechanism use RHRPR mechanisms.Wherein R
To rotate the code name that secondary, H is screw pair, P is prismatic pair.
It is further that the motor includes yaw angle motor and angle of pitch motor.
It is further that the yaw angle mechanism includes yaw angle planetary reducer, yaw angle ball-screw, yaw angle spiral shell
Mother, yaw angle pin, yaw angle mechanism shift fork and yaw angle mechanism body；
Yaw angle planetary reducer described in the yaw angle motor connection, drives yaw angle to roll by yaw angle planetary reducer
Ballscrew rotates, and the yaw angle ball-screw rotation forces yaw angle nut is axially mobile along yaw angle ball-screw, described
Yaw angle nut is connected firmly with the yaw angle pin and drives yaw angle pin axially mobile along yaw angle ball-screw, the side
Sliding corner post pin promotes yaw angle mechanism shift fork, and yaw angle mechanism body is connected with fixing end using ball pin auxiliary structure, described
Sphere-pin pair pin is arranged on ball pin auxiliary structure, and yaw angle mechanism shift fork makes yaw angle mechanism body around sphere-pin pair pin yaw angle
Rotate, yaw angle rotation can drive angle of pitch mechanism and receive expansion spout does sideslip angular movement.
It is further that the yaw angle mechanism is hollow structure, the mating surface at the yaw angle rotation is sphere, and
Extrusion pressing type sealing means are used at rotation.What spherical structure ensured hollow structure rotates secondary motion functional requirement and contact surface
Sealing；This sealing means compact conformation, kinetic frictional resistances are small, both can guarantee that the sealing between moving component, and motion is can ensure that again
It is dexterous.
It is further that the angle of pitch mechanism includes angle of pitch planetary reducer, angle of pitch ball-screw, angle of pitch spiral shell
Mother, angle of pitch pin, angle of pitch mechanism shift fork and angle of pitch mechanism body；
Angle of pitch planetary reducer described in the angle of pitch motor connection, the angle of pitch planetary reducer drive described in bow
Elevation angle ball-screw rotation, the angle of pitch ball-screw rotation forces angle of pitch nut is axially moved along angle of pitch ball-screw
Dynamic, angle of pitch nut drives the angle of pitch pin connected firmly with it along the axially movement of angle of pitch ball-screw again, and angle of pitch pin is pushed away
Dynamic angle of pitch mechanism shift fork；Angle of pitch mechanism body is connected with yaw angle mechanism using ball pin auxiliary structure, the ball of ball pin auxiliary structure
Pin subpost pin is arranged on junction, and angle of pitch mechanism shift fork makes angle of pitch mechanism body be rotated around the sphere-pin pair pin angle of pitch, should
The angle of pitch is rotated can drive the receipts connected firmly with angle of pitch mechanism body expansion spout to do pitch movement.
It is further that the angle of pitch mechanism is hollow structure, the mating surface at the angle of pitch rotation is sphere, and
Extrusion pressing type sealing means are used at rotation.What spherical structure ensured hollow structure rotates secondary motion functional requirement and contact surface
Sealing；This sealing means compact conformation, kinetic frictional resistances are small, both can guarantee that the sealing between moving component, and motion is can ensure that again
It is dexterous.
A kind of wind tunnel test boat hair Thrust-vectoring Nozzle steering proposed by the invention, using the beneficial of the technical program
Effect：
By the controllable adjustment of steering mechanism so that the direction for flowing through steering mechanism's internal high pressure air is controllable, so that real
Omnidirectional's deflection simulation that boat sends a manuscript to the compositor gas airflow direction is showed.
Steering mechanism both can guarantee that its internal pressure-air and channel wall of passing through will not be revealed, and can pass through channel wall
Bending drive receive expand spout rotate realize aero-engine simulator vector spray omnidirectional deflection.
Steering mechanism is made up of yaw angle mechanism and angle of pitch mechanisms in series, the rotation of yaw angle mechanism and angle of pitch mechanism
Axle is mutually perpendicular to, and yaw angle and pitch movement is not interfered.
The system can meet low-speed wind tunnel test and model aircraft to mechanism's profile only by controlling cable and external connection
The requirement of size；The jet pipe steering be arranged on model aircraft inside, during wind tunnel test its do not touched with model housing and
Without prominent model surface, system architecture is compact, appearance and size is small, it is to avoid its shadow to the measurement of model aerodynamic loading during experiment
Ring.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of wind tunnel test boat hair Thrust-vectoring Nozzle steering of the invention；
Fig. 2 is the principle schematic of yaw angle or angle of pitch mechanism in the embodiment of the present invention；
Fig. 3 is the structural representation of yaw angle mechanism in the embodiment of the present invention；
Fig. 4 is the structural representation of angle of pitch mechanism in the embodiment of the present invention；
Wherein, 1 is main control computer, and 2 is controller, and 3 is motor, and 4 is transmission mechanism, and 5 is steering mechanism, and 6 is to receive to expand
Spout, 7 is fixing end, and 8 is yaw angle mechanism, and 9 is angle of pitch mechanism；
81 is yaw angle motor, and 82 is yaw angle planetary reducer, and 83 is yaw angle ball-screw, and 84 is yaw angle spiral shell
Mother, 85 is yaw angle pin, and 86 is yaw angle mechanism shift fork, and 87 is yaw angle mechanism body, and 88 is sphere-pin pair pin, and 89 is O
Type sealing ring；
91 is angle of pitch motor, and 92 is angle of pitch planetary reducer, and 93 is angle of pitch ball-screw, and 94 is angle of pitch spiral shell
Mother, 95 is angle of pitch pin, and 96 is angle of pitch mechanism shift fork, and 97 is angle of pitch mechanism body, and 98 is sphere-pin pair pin, and 99 is O
Type sealing ring.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made into one below in conjunction with the accompanying drawings
Step is illustrated.
Shown in Figure 1 in embodiment one, the present invention proposes a kind of wind tunnel test boat hair Thrust-vectoring Nozzle and turns to
System, including jet pipe steering, main control computer 1 and aero-engine simulator, the jet pipe steering include control
Device 2, motor 3, transmission mechanism 4, steering mechanism 5 and receipts expand spout 6；
The controller 2 is in communication with each other with the main control computer 1, and the output end of the controller 2 connects the motor 3
Control port；The motor 3 drives steering mechanism 5 to move by transmission mechanism 4, drives receipts to expand spout 6 by steering mechanism 5 inclined
Turn, realize the controllable deflection of omnidirectional of model aircraft nozzle；
The steering mechanism 5 includes fixing end 7, yaw angle mechanism 8 and angle of pitch mechanism 9, the fixing end 7, yaw angle
Mechanism 8 and angle of pitch mechanism 9 are sequentially connected in series, and the rotary shaft of the yaw angle mechanism 8 and angle of pitch mechanism 9 is mutually perpendicular to, and makes side
Sliding angle and pitch movement will not be interfered；
The fixing end 7 of the steering mechanism 5 is connected firmly with the outlet of the aero-engine simulator, the steering mechanism 5
The port of export with receive expand spout 6 connect firmly, make pressure-air pass through steering mechanism 5 from receive expand spout 6 spray.
Wherein, the jet pipe steering is arranged on inside model aircraft, by controlling cable and being placed in outside model aircraft
The main control computer 1 in portion is connected.Make the compact conformation of system, appearance and size small using this design, meet in model aircraft
The installation restrictive condition of wide size；The system is not contacted and without prominent model surface with model aircraft housing in process of the test,
Its influence to the measurement of model aerodynamic loading when avoiding experiment, meets low-speed wind tunnel test and model aircraft to mechanism's profile
The requirement of size.
Wherein, the steering mechanism 5 is sent using the cannulated structure of controlled deflection by aero-engine simulator
Pressure-air by receiving expansion spout 6 according to given deflection angle behind the inner passage of steering mechanism 5 by being sprayed.By controller 2
To the controllable adjustment of the corner of steering mechanism 5 so that the receipts expansion spout direction for flowing through the internal high pressure air of steering mechanism 5 is controllable, from
And realize omnidirectional's deflection simulation in aero-engine simulator exhaust airstream direction.
In embodiment two, on the basis of embodiment one, the yaw angle mechanism 8 and angle of pitch mechanism 9 of the steering mechanism 5
Use RHRPR mechanisms.Wherein R, H, P are respectively rotation pair, screw pair, the code name of prismatic pair.
The motor 3 includes yaw angle motor 81 and angle of pitch motor 91.
As shown in figure 3, the yaw angle mechanism 8 includes yaw angle planetary reducer 82, yaw angle ball-screw 83, breaks away
Angle nut 84, yaw angle pin 85, yaw angle mechanism shift fork 86 and yaw angle mechanism body 87；
As shown in Fig. 2 the yaw angle motor 81 connects the yaw angle planetary reducer 82, by yaw angle planetary reduction gear
Machine 82 drives yaw angle ball-screw 83 to rotate, and the rotation forces yaw angle nut 84 of the yaw angle ball-screw 83 is along yaw angle
Ball-screw 83 is moved axially, and the yaw angle nut 84 is connected firmly with the yaw angle pin 85 and drives the edge of yaw angle pin 85
Yaw angle ball-screw 83 is moved axially, and the yaw angle pin 85 promotes yaw angle mechanism shift fork 86, yaw angle mechanism
Body 87 is connected with fixing end 7 using ball pin auxiliary structure, and the sphere-pin pair pin 88 is arranged on ball pin auxiliary structure, yaw angle machine
Structure shift fork 86 makes yaw angle mechanism body 87 be rotated around the yaw angle of sphere-pin pair pin 88, and the yaw angle is rotated can drive the angle of pitch
Mechanism 9 and receipts expand spout 6 and do sideslip angular movement.
Wherein, the yaw angle mechanism 8 is hollow structure, and the mating surface at the yaw angle rotation is sphere, and is being turned
Dynamic place uses extrusion pressing type sealing means, can use O-ring seal 89.Spherical structure ensures the rotation secondary motion function of hollow structure
It is required that the sealing with contact surface；This sealing means compact conformation, kinetic frictional resistances are small, both can guarantee that close between moving component
Envelope, can ensure that motion is dexterous again.
In embodiment three, on the basis of embodiment one, the yaw angle mechanism 8 and angle of pitch mechanism 9 of the steering mechanism 5
Use RHRPR mechanisms.Wherein R, H, P are respectively rotation pair, screw pair, the code name of prismatic pair.
The motor 3 includes yaw angle motor 81 and angle of pitch motor 91.
As shown in figure 4, the angle of pitch mechanism 9 includes angle of pitch planetary reducer 92, angle of pitch ball-screw 93, pitching
Angle nut 94, angle of pitch pin 95, angle of pitch mechanism shift fork 96 and angle of pitch mechanism body 97；
As shown in Fig. 2 the angle of pitch motor 91 connects the angle of pitch planetary reducer 92, the angle of pitch planet subtracts
Fast machine 92 drives the angle of pitch ball-screw 93 to rotate, the edge of 93 rotation forces angle of pitch nut of the angle of pitch ball-screw 94
Angle of pitch ball-screw 93 is moved axially, and angle of pitch nut 94 drives the angle of pitch pin 95 connected firmly with it along angle of pitch ball again
Leading screw 93 is moved axially, and angle of pitch pin 95 promotes angle of pitch mechanism shift fork 96；Angle of pitch mechanism body 97 and yaw angle mechanism 8
Connected using ball pin auxiliary structure, the sphere-pin pair pin 98 of ball pin auxiliary structure is arranged on junction, and angle of pitch mechanism shift fork 96 makes to bow
Elevation angle mechanism body 97 is rotated around the angle of pitch of sphere-pin pair pin 98, and the angle of pitch is rotated can be driven and angle of pitch mechanism body 97
The receipts for connecting firmly expand spout 6 and do pitch movement.
Wherein, the angle of pitch mechanism 9 is hollow structure, and the mating surface at the angle of pitch rotation is sphere, and is being turned
Dynamic place uses extrusion pressing type sealing means, can use O-ring seal 99.Spherical structure ensures the rotation secondary motion function of hollow structure
It is required that the sealing with contact surface；This sealing means compact conformation, kinetic frictional resistances are small, both can guarantee that close between moving component
Envelope, can ensure that motion is dexterous again.
In order to be better understood from the present invention, once complete description is made to operation principle of the invention below：
Before wind tunnel test, the jet pipe steering is fixedly mounted on inside model aircraft, fixing end 7 and the boat of system
The outlet of empty engine simulator connects firmly reliability, it is desirable to which it will not be touched and without protrusion with model aircraft housing in process of the test
Model surface；
During wind tunnel test, the pressure-air sprayed from aero-engine simulator enters the inner passage of steering mechanism 5, passes through
The yaw angle and the angle of pitch that steering mechanism 5 receives expansion jet pipe 6 to model aircraft afterbody vector are adjusted so that flow through steering mechanism
The direction of 5 internal high pressure airs changes as needed, is finally discharged by receiving expansion spout 6, it is achieved thereby that aero-engine
Drive omnidirectional's deflection simulation in model aircraft exhaust airstream direction；Exhaust airstream direction -10 °~+10 ° of the angle of pitch, yaw angle -
Arbitrarily angled combination is capable of achieving in the range of 10 °~+10 °.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of this reality invention by appending claims and
Its equivalent thereof.
Claims (9)
1. a kind of wind tunnel test boat sends out Thrust-vectoring Nozzle steering, including jet pipe steering, main control computer (1) and boat
Empty engine simulator, it is characterised in that the jet pipe steering include controller (2), motor (3), transmission mechanism (4),
Steering mechanism (5) and receipts expand spout (6)；
The controller (2) is in communication with each other with the main control computer (1), and the output end of the controller (2) connects the electricity
The control port of machine (3)；The motor (3) drives steering mechanism (5) to move by transmission mechanism (4), by steering mechanism (5) band
Dynamic receipts expands spout (6) deflection；
The steering mechanism (5) includes fixing end (7), yaw angle mechanism (8) and angle of pitch mechanism (9), the fixing end (7),
Yaw angle mechanism (8) and angle of pitch mechanism (9) are sequentially connected in series, the rotary shaft of the yaw angle mechanism (8) and angle of pitch mechanism (9)
It is mutually perpendicular to；
The fixing end (7) of the steering mechanism (5) is connected firmly with the outlet of the aero-engine simulator, the steering mechanism
(5) the port of export is connected firmly with expansion spout (6) is received, and the pressure-air for sending aero-engine simulator passes through steering mechanism (5)
Expand spout (6) ejection from receiving.
2. a kind of wind tunnel test boat according to claim 1 sends out Thrust-vectoring Nozzle steering, it is characterised in that described
Jet pipe steering is arranged on inside model aircraft, by the main control computer (1) for controlling cable be placed in outside model aircraft
Connection.
3. a kind of wind tunnel test boat according to claim 1 sends out Thrust-vectoring Nozzle steering, it is characterised in that described
The cannulated structure of steering mechanism (5) use controlled deflection, the pressure-air process sent by aero-engine simulator turns
Expand spout (6) ejection by receiving according to given deflection angle to behind the inner passage of mechanism (5).
4. a kind of wind tunnel test boat according to claim 1 sends out Thrust-vectoring Nozzle steering, it is characterised in that described
The yaw angle mechanism (8) and angle of pitch mechanism (9) of steering mechanism (5) use RHRPR mechanisms, and wherein R is spiral shell to rotate secondary, H
Rotation is secondary, P is the code name of prismatic pair.
5. a kind of wind tunnel test boat according to claim 4 sends out Thrust-vectoring Nozzle steering, it is characterised in that described
Motor (3) includes yaw angle motor (81) and angle of pitch motor (91).
6. a kind of wind tunnel test boat according to claim 5 sends out Thrust-vectoring Nozzle steering, it is characterised in that described
Yaw angle mechanism (8) includes yaw angle planetary reducer (82), yaw angle ball-screw (83), yaw angle nut (84), sideslip
Corner post pin (85), yaw angle mechanism shift fork (86) and yaw angle mechanism body (87)；
The yaw angle motor (81) connects the yaw angle planetary reducer (82), is driven by yaw angle planetary reducer (82)
Yaw angle ball-screw (83) is rotated, and the yaw angle ball-screw (83) rotation forces yaw angle nut (84) is rolled along yaw angle
Ballscrew (83) is moved axially, and the yaw angle nut (84) connects firmly with the yaw angle pin (85) and drives yaw angle pin
(85) moved axially along yaw angle ball-screw (83), the yaw angle pin (85) promotes yaw angle mechanism shift fork
(86)；Yaw angle mechanism body (87) is connected with fixing end (7) using ball pin auxiliary structure, and the sphere-pin pair pin (88) is arranged on
On ball pin auxiliary structure, yaw angle mechanism shift fork (86) makes yaw angle mechanism body (87) around sphere-pin pair pin (88) according to side
Sliding angle rotates, and the rotation can drive angle of pitch mechanism (9) and receipts to expand spout (6) and be taken exercises according to yaw angle.
7. a kind of wind tunnel test boat according to claim 6 sends out Thrust-vectoring Nozzle steering, it is characterised in that described
Yaw angle mechanism (8) is hollow structure, and the mating surface at the yaw angle rotation is sphere, and close using extrusion pressing type at rotation
Envelope mode.
8. a kind of wind tunnel test boat according to claim 5 sends out Thrust-vectoring Nozzle steering, it is characterised in that described
Angle of pitch mechanism (9) includes angle of pitch planetary reducer (92), angle of pitch ball-screw (93), angle of pitch nut (94), pitching
Corner post pin (95), angle of pitch mechanism shift fork (96) and angle of pitch mechanism body (97)；
The angle of pitch motor (91) connects the angle of pitch planetary reducer (92), angle of pitch planetary reducer (92) band
Dynamic angle of pitch ball-screw (93) rotation, angle of pitch ball-screw (93) rotation forces angle of pitch nut (94) edge is bowed
Elevation angle ball-screw (93) is moved axially, and angle of pitch nut (94) drives the angle of pitch pin (95) connected firmly with it along the angle of pitch again
Ball-screw (93) is moved axially, and angle of pitch pin (95) promotes angle of pitch mechanism's shift fork (96)；Angle of pitch mechanism body (97)
It is connected using ball pin auxiliary structure with yaw angle mechanism (8), the sphere-pin pair pin (98) of ball pin auxiliary structure is arranged on junction, pitching
Angle mechanism shift fork (96) makes angle of pitch mechanism body (97) be rotated around sphere-pin pair pin (98) angle of pitch, and the angle of pitch is rotated
Drive the receipts connected firmly with angle of pitch mechanism body (97) to expand spout (6) and do pitch movement.
9. a kind of wind tunnel test boat according to claim 8 sends out Thrust-vectoring Nozzle steering, it is characterised in that described
Angle of pitch mechanism (9) is hollow structure, and the mating surface at the angle of pitch rotation is sphere, and close using extrusion pressing type at rotation
Envelope mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610210207.0A CN105865742B (en) | 2016-04-07 | 2016-04-07 | A kind of wind tunnel test boat hair Thrust-vectoring Nozzle steering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610210207.0A CN105865742B (en) | 2016-04-07 | 2016-04-07 | A kind of wind tunnel test boat hair Thrust-vectoring Nozzle steering |
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| CN105865742A CN105865742A (en) | 2016-08-17 |
| CN105865742B true CN105865742B (en) | 2017-05-31 |
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| CN106679923B (en) * | 2016-12-15 | 2018-11-16 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of pressure decoupling device influencing dynamometry model for high speed jet |
| CN107941450B (en) * | 2017-09-20 | 2023-11-03 | 中国空气动力研究与发展中心低速空气动力研究所 | Jet angle vortex generator for inhibiting low-frequency pressure pulsation of open jet wind tunnel |
| CN115653780A (en) * | 2022-12-13 | 2023-01-31 | 中国空气动力研究与发展中心空天技术研究所 | Fluid thrust vectoring nozzle suitable for tailless overall arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2796422B1 (en) * | 1999-07-12 | 2001-09-07 | Snecma | AXISYMMETRIC TURBOJET EJECTION NOZZLE, DIVERGENT CONVERGENT WITH JET DEVIATION |
| CN103437911B (en) * | 2013-09-04 | 2015-11-18 | 北京航空航天大学 | Band dividing plate fluid controls dual vector jet pipe and vectored thrust produces and controlling method |
| CN104044742B (en) * | 2014-05-05 | 2016-04-27 | 北京理工大学 | Be applicable to the culvert type vectored thrust device of SUAV (small unmanned aerial vehicle) |
| CN203944115U (en) * | 2014-06-30 | 2014-11-19 | 黄河科技学院 | The walking of the jet-propelled sport(s) car of air supporting drives and steering mechanism |
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