CN108414184A - A kind of model supporting device and method based on the support of double tails and bracing cable support - Google Patents
A kind of model supporting device and method based on the support of double tails and bracing cable support Download PDFInfo
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- CN108414184A CN108414184A CN201810229236.0A CN201810229236A CN108414184A CN 108414184 A CN108414184 A CN 108414184A CN 201810229236 A CN201810229236 A CN 201810229236A CN 108414184 A CN108414184 A CN 108414184A
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- bracing cable
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- ball screw
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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
- G01M9/04—Details
Abstract
The invention belongs to sensor and observation and control technology fields, are related to a kind of model supporting device and method based on the support of double tails and bracing cable support, are measured for dummy vehicle six-dimensional space power.The device includes supporting rack, double tail support systems and bracing cable support system.The cube structure that supporting rack is made of multiple longitudinal crossbeams and vertical beam；Bracing cable support system totally four is distributed at the top of supporting rack between two neighboring longitudinal crossbeam, and four bottoms are separately connected a bracing cable, the back of the other end connection dummy vehicle of bracing cable；Double tail support systems are mounted on the vertical beam of supporting rack, and double tail support systems are equipped with two horizontal stiffness bars, and the other end of horizontal stiffness bar is fixedly connected on the tail portion of dummy vehicle, realize the tail portion double rod support of dummy vehicle.The present invention has both the good advantage of the bracing cable support small and rigid support system stability of aerodynamic interference, can effectively solve the problem that big in independent tail supporting way of long and narrow, big quality dummy vehicle vibrate, unstability problem.
Description
Technical field
The invention belongs to sensor and observation and control technology fields, are related to a kind of model branch based on the support of double tails and bracing cable support
Support arrangement and method are measured for dummy vehicle six-dimensional space power.
Background technology
Wind-tunnel is according to aerodynamic principle development, the large scale equipment tested dummy vehicle.Wind-tunnel tries
It refers to that dummy vehicle or section components are placed in wind-tunnel to test, and shape when various flights is simulated by applying artificial airflow
Condition, with the aeromechanics characteristic of detection model in such circumstances.The measuring study of mechanical property, to the material selection of aircraft,
Element Design, structure design etc. have important directive significance.When carrying out wind tunnel test, need to use model supporting system will
Tested model support is in wind-tunnel channel.But in wind-tunnel wind field, thus the flow field around support system meeting interference model is produced
Raw support interferences can greatly interfere with the measurement result of dummy vehicle aeromechanics characteristic.To solve the problems, such as support interferences,
It is proposed that a kind of bracing cable formula measures balance and is used for support and mechanical property measurement of the model in wind tunnel test.Bracing cable formula measures balance
The influence of support interferences can be reduced, but bracing cable is supported on the shape that the suspension centre on model destroys model, can change model
Neighbouring flow field, it is also difficult to avoid the sensitizing range of body-shedding vortex, simultaneously because its stability is not high, easily put in test
It is dynamic, influence measuring accuracy.
The present invention proposes a kind of model supporting device and method based on the support of double tails and bracing cable support.Combined support has both
The advantage that bracing cable supports the small and rigid support system stability of aerodynamic interference good, effectively solves long and narrow, big quality aircraft model
Big vibration in independent tail supporting way, unstability problem.To realize the combined support mode of tail portion dual-gripper and bracing cable support,
The present invention devises a kind of combination supporting system.
Invention content
The technical problem to be solved by the present invention is to long and narrow, big quality aircraft models in independent tail supporting way big shaking
Dynamic, unstability problem provides a kind of model supporting device and method based on the support of double tails and bracing cable support, has both bracing cable support gas
The good advantage of the dynamic small and rigid support system stability of interference.
Technical scheme of the present invention：
It is a kind of based on double tails support and bracing cable support model supporting device, including supporting rack I, double tail support system II and
Bracing cable support system IV.
The cube frame structure that the supporting rack I is made of multiple longitudinal crossbeams and vertical beam；The bracing cable branch
Support system IV totally four, respectively the first bracing cable support system IV1, the second bracing cable support system IV2, third bracing cable support system
IV3 and the 4th bracing cable support system IV4, four are distributed at the top of supporting rack I between two neighboring longitudinal crossbeam, four respectively with
One end connection of a piece bracing cable V, the other end of four bracing cable V are connect with the back of dummy vehicle III；Double tails support
System II is located at cube frame inside configuration on the vertical beam of supporting rack I, and double tail support system II are equipped with two tails
Strut 27, tail supporting rod 27 are fixedly connected on the tail portion of dummy vehicle III, realize the tail portion double rod support of dummy vehicle III.
The bracing cable support system IV, including servo motor a1, dovetail guide slide unit 2, dovetail guide sliding block 3, switching
Plate a4, servo motor b5, ball screw a6, bracing cable folder 7, bracing cable strainer 8, optical track guide rod 11, straight-line guide rail slide block 12, straight line
Guide rail slide unit a13, line slideway auxiliary 14, pinboard b15 and H-type crossbeam 16；The dovetail guide slide unit 2 is fixed on supporting rack
On longitudinal crossbeam I-1 of I, dovetail guide slide unit 2 is equipped with dovetail guide sliding block 3, and servo motor a1 drives dovetail guide sliding block 3
It is moved along dovetail guide slide unit 2；The pinboard a4 is fixed on dovetail guide sliding block 3；The line slideway auxiliary 14 is logical
It crosses pinboard b15 to be connected on longitudinal crossbeam I-2 of supporting rack I, line slideway auxiliary 14 is equipped with sliding block；The H-type crossbeam
16 one end are fixedly mounted on pinboard a4, are moved synchronously with dovetail guide sliding block 3；The other end of H-type crossbeam 16, which is mounted on, to be turned
On fishplate bar b15, and it is connect with the sliding block of line slideway auxiliary 14；The linear guide slide unit a13 is mounted on the bottom of H-type crossbeam 16
Portion which is provided with ball-screw a6, optical track guide rod 11 and straight-line guide rail slide block 12；The ball-screw a6 is mounted on the straight line
The longitudinally middle position of slide unit a13；Two optical track guide rods are symmetrically distributed mounted on the both sides of the ball-screw a6；
The straight-line guide rail slide block 12 is mounted on optical track guide rod 11；One end of the ball screw a6 is equipped with servo motor b5；Institute
The bracing cable folder 7 stated is mounted on the bottom of straight-line guide rail slide block 12；The bracing cable strainer 8 is mounted on the bottom of bracing cable folder 7；Institute
The bracing cable strainer 8 stated is made of strainer set 9 and two tensioning means 10；The described strainer set 9 carries reverse thread hole, and two
A tensioning means 10 are separately mounted to the both ends of strainer set 9；The tensioning means 10 of end are connect with bracing cable V, by rotating strainer
Set 9 realizes the adjusting of bracing cable V length.
Double tail support system II include the linear guide slide unit b20, loading plate b21, the linear guide slide unit c22, watch
Take motor d23-1, servo motor e23-2, ball screw c24-1, ball screw d24-2, transverse base a25-1, transverse base
B25-2, taper hole seat a26-1, taper hole seat b26-2, tail supporting rod a27-1, tail supporting rod b27-2 and H-type pinboard 28；The straight line
Guide rail slide unit b20 is fixedly mounted on by H-type pinboard 28 on the vertical beam of supporting rack I；The linear guide slide unit b20, which is equipped with, to be slided
Block, loading plate a18 and ball screw b19, the parallel track of loading plate a18, ball screw b19 and the linear guide slide unit b20；Rolling
Ballscrew b19 is installed on the sliding block of the linear guide slide unit b20, and loading plate a18 is located at the both sides of ball screw b19；Described
Ball screw b19 is connect with servo motor c17, and servo motor c17 drives ball screw b19 rotations, and then sliding block is along ball wire
Bar b19 movements, while will be on a part of power load sharing to loading plate a18；The linear guide slide unit c22 is symmetrical knot
Structure is arranged vertically with the linear guide slide unit b20；The linear guide slide unit c22 connects with the sliding block of the linear guide slide unit b20
It touches, the linear guide slide unit c22 is moved in a straight line with the sliding block of the linear guide slide unit b20 along ball screw b19, realizes double tail supports
The adjusting of system II height；Be equipped in the horizontal direction on the linear guide slide unit c22 coaxial ball screw c24-1 and
Ball screw d24-2, ball screw c24-1 and ball screw d24-2 are mounted on the sliding block on the linear guide slide unit c22；Rolling
Ballscrew c24-1 is connect with servo motor d23-1, and ball screw d24-2 is connect with servo motor e23-2；The linear guide slide unit
Sliding block on c22 is moved with ball screw c24-1 and ball screw d24-2；The transverse base a25-1 and lateral bottom
Seat b25-2 is respectively equipped with cone on the sliding block of the linear guide slide unit c22 on transverse base a25-1 and transverse base b25-2
Hole seat a26-1 and taper hole seat b26-2；The tail supporting rod a27-1 and tail supporting rod b27-2 is each passed through taper hole seat a26-1 and cone
Hole seat b26-2, to be fixed on transverse base a25-1 and transverse base b25-2；Tail supporting rod a27-1's and tail supporting rod b27-2
The other end is connect with the taper shoe hole of two side positions on dummy vehicle III tail end faces, tail supporting rod a27-1 and tail supporting rod
The both sides for being symmetrically distributed in the dummy vehicle III of b27-2, and it is parallel with the axis of dummy vehicle III；Tail supporting rod
A27-1 and tail supporting rod b27-2 is with the slide block movement on the linear guide slide unit c22, while by a part of power load sharing to loading plate b21
On, realize the adjusting of double tail support device spans.
Unidirectional force piezoelectric transducer is installed in the junction of the bracing cable V and dummy vehicle III, for measuring bracing cable
Tension.
The tail supporting rod a27-1 and tail supporting rod b27-2 and the junction installation three-dimensional of the tail portions dummy vehicle III force
Electric transducer, for measuring the three axis force suffered by rigid tail supporting rod.
A kind of model support method based on the support of double tails and bracing cable support, steps are as follows：
Rectangular coordinate system in space O-XYZ is established in the center of gravity of model, the bracing cable tension difference that unidirectional force sensor measures
For F1,F2,F3,F4；It is measured mounted on two three-dimensional force transducers of tail support bar and exports the rigidity of tail supporting rod bolster model
Connect three component F along reference axisx1、Fy1、Fz1With Fx2、Fy2、Fz2；Model is considered as it is fixed, according to statics balance
Principle establishes equation of the model by six-dimensional force, sees formula (1)：
In formula, matrix A is
In matrix A, θ indicates the angle of bracing cable and horizontal plane XOY；xi,yi,ziIndicate that bracing cable is being referred to model junction
Unidirectional force sensor is regarded as particle, x by the coordinate in coordinate system O-XYZ, i=1~4i,yi,ziIndicate particle in built sky
Between coordinate on coordinate system；xwi,ywi,zwiIndicate seat of the three-dimensional force transducer in the reference frame established at tail support
Mark, i=1~2；
The force value F that each sensor is measured1,F2,F3,F4、Fx1、Fy1、Fz1With Fx2、Fy2、Fz2, equation 1 is substituted into, is realized
Model is solved by six-dimensional space power.
Beneficial effects of the present invention are：It is good that the present invention has had both the small and rigid support system stability of bracing cable support interference
Advantage, solve long and narrow, big quality model in independent tail supporting way it is big vibration, unstability problem, and realize to it is described fly
Row device model after increasing bracing cable Auxiliary support, can be reduced the design size of tail support by the accurate measurement of six-dimensional space power,
Improve measurement accuracy of the model by six-dimensional force simultaneously.The bracing cable support system of design, by the angle theta of bracing cable and plane XOY
Line --- face angle be decomposed into bracing cable face XOZ projection line and X-axis angle α and bracing cable face YOZ projection line and Y-axis
Angle β drives dovetail guide slide unit that can accurately control change angle α and drives the linear guide slide unit can essence by servo motor
Really control change angle beta, it can be achieved that in equation θ change, to study shadows of the different θ to six-dimensional space power measurement result precision
It rings；Double tail support systems are by driving servo motor to realize that the height of tail support bar adjusts the spacing tune with two tail supporting rods
Section, to adapt to the measurement of different models；Double tail support systems are realized using loading plate and guide rail load-bearing are transferred on loading plate, carry
The high load-bearing capacity of tail support system；The adjusting that bracing cable length is realized using bracing cable adjuster, to realize bracing cable angle
With the adjusting of model pose.
Description of the drawings
Fig. 1 is the model supporting device structure overall schematic based on the support of double tails and bracing cable support；
Fig. 2 is model supporting device the structure left view based on the support of double tails and bracing cable support；
Fig. 3 is single bracing cable support system structural front view；
Fig. 4 is single bracing cable support system structure overall schematic；
Fig. 5 is double tail support system structural front views；
Fig. 6 is double tail support system structure top views.
In figure：I supporting racks；The longitudinal directions I-1 crossbeam；The longitudinal directions I-2 crossbeam；The bis- tail support systems of II；
III dummy vehicles；IV bracing cable support systems；IV1 the first bracing cable support systems；
IV2 the second bracing cable support systems；IV3 third bracing cable support systems；The 4th bracing cable support systems of IV4；
V bracing cables；1 servo motor a；2 dovetail guide slide units；3 dovetail guide sliding blocks；4 pinboard a；
5 servo motor b；6 ball screw a；7 bracing cables are pressed from both sides；8 bracing cable strainers；9 strainer sets；
10 tensioning means；11 optical track guide rods；12 straight-line guide rail slide blocks；13 the linear guide slide unit a；
14 line slideway auxiliaries；15 pinboard b；16H type crossbeams；17 servo motor c；18 loading plate a；
19 ball screw b；20 the linear guide slide unit b；21 loading plate b；22 the linear guide slide unit c；
23-1 servo motors d；23-2 servo motors e；24-1 ball screws c；24-2 ball screws d；
25-1 transverse bases a；25-2 transverse bases b；26-1 taper hole seats a；26-2 taper hole seats b；
27-1 tail supporting rods a；27-2 tail supporting rods b；28H type pinboards.
Specific implementation mode
Below in conjunction with attached drawing and technical solution, the specific implementation mode that further illustrates the present invention.
Fig. 1,2 show the model supporting device structural schematic diagram based on the support of double tails and bracing cable support.Wherein, double tail branch
Support system II is fixed on the vertical beam of supporting rack I, and four groups of bracing cable support system IV1~4 are distributed on the vertical of the tops supporting rack I both sides
To on crossbeam, dummy vehicle III is connected by tail supporting rod 27 and bracing cable V with double tail support system II and bracing cable support system IV
It connects.Since four groups of bracing cable support system structures are identical, therefore specific implementation mode is illustrated with one of which.
As shown in Figure 1, four bracing cable support system IV1~4 are bolted on the longeron of both sides, bracing cable is realized
Connection and adjusting；Tail supporting rod 27 is vertically arranged in the vertical beam of supporting rack I, realizes the connection and adjusting of shoe.V bracing cables are in longitudinal crossbeam
On linear movement angle change of the bracing cable in space may be implemented, four bracing cable support system structures are identical, with wherein one
A elaboration specific implementation mode.
As shown in Figure 3 and Figure 4, dovetail guide slide unit 2 is bolted on longitudinal crossbeam I-1.As servo motor a1
When driving ball screw rotation, the nut on ball screw can be moved in a straight line along bar, to drive dovetail guide sliding block 3 along swallow
Tail guide rail slide unit 2 moves.The slide unit of line slideway auxiliary 14 is connected to by pinboard b15 on longitudinal crossbeam I-2.H-type crossbeam 16
One end linked together by pinboard b4 and dovetail guide sliding block 3, the other end is connected with the sliding block of line slideway auxiliary 14,
And it is moved with the movement of dovetail guide sliding block 3.Motor the linear guide slide unit 13 is mounted on the bottom of H-type crossbeam 16, when watching
When taking motor b5 drive ball screw a6 rotations, the nut on ball screw a6 can generate linear motion along bar.Two optical tracks are led
Bar 12 and ball screw a6 is installed in parallel on the linear guide slide unit 13, and straight-line guide rail slide block 11 is mounted on two optical track guide rods 12
On.It when nut moves, can together be moved with movable slider 11, to drive the bracing cable being fixed on sliding block 11 folder 7 to generate along light
The linear motion of rail guide rod 12.By servo motor a5 driving ball-screw a6 generations along dovetail guide platform 2 and the linear guide
The linear motion of pair 14, bracing cable folder 7 can change spatial position, to change the angle of bracing cable in space.
As shown in figure 3, two screwed tensioning means 10 are connected to strainer set 9 of the both ends with reverse thread hole
Composition bracing cable adjuster 8 together, tensioning means 10 are connect with the bracing cable V in Fig. 1, and then are linked together with dummy vehicle III.
By rotating strainer set 9, the adjusting of bracing cable V length may be implemented.
As shown in Figure 5 and Figure 6, the linear guide slide unit b20 is fixed on by H-type pinboard 28 on vertical beam, and the linear guide is slided
Ball screw 19 and loading plate 18 in parallel are housed on platform b20, when servo motor c17 drives ball screw b19 rotations,
Sliding block on the linear guide slide unit b20 is moved along lead screw b19, while will be on a part of power load sharing to loading plate a18.There are two tools
Servo motor and coaxial the linear guide slide unit c22 is disposed vertically with slide unit 20, and sliding block ball screw b19 is followed to do straight line fortune
It is dynamic, realize the adjusting of double tail support device height.Coaxial ball screw c24-1 there are two being set on the linear guide slide unit c22
Arrangement is now illustrated with one of them since its arrangement is full symmetric with ball screw d24-2.When servo motor d23-1 bands
When dynamic ball screw c24-1 rotations, the sliding block on the linear guide slide unit c22 is moved along ball screw c24-1.Transverse base a25-
1, taper hole seat a26-1 and tail supporting rod a27-1 are realized together with slide block movement, while by a part of power load sharing to loading plate b21
The adjustings of double tail support device spans.
The foregoing is merely the schematical specific implementation modes of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, do not depart from the design of the present invention and under the premise of principle made by equivalent variations, modification and combination,
The scope of protection of the invention should all be belonged to.
Claims (2)
1. a kind of model supporting device based on the support of double tails and bracing cable support, which is characterized in that described to be supported based on double tails
Model supporting device with bracing cable support includes supporting rack (I), double tail support systems (II) and bracing cable support system (IV)；
The cube frame structure that the supporting rack (I) is made of multiple longitudinal crossbeams and vertical beam；The bracing cable support
System (IV) totally four, respectively the first bracing cable support system (IV1), the second bracing cable support system (IV2), third bracing cable support
System (IV3) and the 4th bracing cable support system (IV4), four are distributed at the top of supporting rack (I) between two neighboring longitudinal crossbeam,
Four connect with one end of a bracing cable (V) respectively, and the other end of four bracing cables (V) connects with the back of dummy vehicle (III)
It connects；Double tail support systems (II) are mounted on the vertical beam of supporting rack (I), are located at cube frame inside configuration, double tails
Support system (II) is equipped with two tail supporting rods (27), and tail supporting rod (27) is fixedly connected on the tail portion of dummy vehicle (III), real
The tail portion double rod support of existing dummy vehicle (III)；
The bracing cable support system (IV), including servo motor a (1), dovetail guide slide unit (2), dovetail guide sliding block (3),
It is pinboard a (4), servo motor b (5), ball screw a (6), bracing cable folder (7), bracing cable strainer (8), optical track guide rod (11), straight
Line guide rail slide block (12), the linear guide slide unit a (13), line slideway auxiliary (14), pinboard b (15) and H-type crossbeam (16)；It is described
Dovetail guide slide unit (2) be fixed on longitudinal crossbeam (I-1) of supporting rack (I), dovetail guide slide unit (2) is led equipped with dovetail
Rail sliding block (3), servo motor a (1) drive dovetail guide sliding block (3) to be moved along dovetail guide slide unit (2)；The pinboard a
(4) it is fixed on dovetail guide sliding block (3)；The line slideway auxiliary (14) is connected to supporting rack (I) by pinboard b (15)
Longitudinal crossbeam (I-2) on, line slideway auxiliary (14) be equipped with sliding block；Described H-type crossbeam (16) one end, which is fixedly mounted on, to be turned
On fishplate bar a (4), moved synchronously with dovetail guide sliding block (3)；The other end of H-type crossbeam (16) is mounted on pinboard b (15),
And (14 sliding block is connect with line slideway auxiliary；The linear guide slide unit a (13 are mounted on the bottom of H-type crossbeam (16),
It is equipped with ball-screw a (6), optical track guide rod (11) and straight-line guide rail slide block (12)；The ball-screw a (6) is mounted on described
The longitudinally middle position of straight line slide unit a (13)；Two optical track guide rods be mounted on the ball-screw a (6) both sides at
It is symmetrical；The straight-line guide rail slide block (12) is mounted on optical track guide rod (11)；It installs one end of the ball screw a (6)
There is servo motor b (5)；The bracing cable folder (7) is mounted on the bottom of straight-line guide rail slide block (12)；The bracing cable strainer
(8) it is mounted on the bottom of bracing cable folder (7)；The bracing cable strainer (8) is by strainer set (9) and two tensioning means (10) structures
At；The strainer set (9) carries reverse thread hole, and two tensioning means (10) are separately mounted to the both ends of strainer set (9)；
The tensioning means (10) of end are connect with bracing cable (V), by rotating strainer set (9), realize the adjusting of bracing cable (V) length；
Double tail support systems (II) include the linear guide slide unit b (20), loading plate b (21), the linear guide slide unit c
(22), servo motor d (23-1), servo motor e (23-2), ball screw c (24-1), ball screw d (24-2), transverse base
A (25-1), transverse base b (25-2), taper hole seat a (26-1), taper hole seat b (26-2), tail supporting rod a (27-1), tail supporting rod b (27-
And H-type pinboard (28) 2)；The linear guide slide unit b (20) is fixedly mounted on supporting rack (I) by H-type pinboard (28)
Vertical beam on；The linear guide slide unit b (20) be equipped with sliding block, loading plate a (18) and ball screw b (19), loading plate a (18),
The parallel track of ball screw b (19) and the linear guide slide unit b (20)；Ball screw b (19) is installed on the linear guide slide unit b
(20) on sliding block, loading plate a (18) is located at the both sides of ball screw b (19)；The ball screw b (19) and servo motor
C (17) connections, servo motor c (17) drive ball screw b (19) to rotate, and then sliding block is moved along ball screw b (19), simultaneously
It will be on a part of power load sharing to loading plate a (18)；The linear guide slide unit c (22) is bilateral symmetry, is led with straight line
Rail slide unit b (20) is arranged vertically；The linear guide slide unit c (22) is in contact with the sliding block of the linear guide slide unit b (20), directly
Line guide rail slide unit c (22) is moved in a straight line with the sliding block of the linear guide slide unit b (20) along ball screw b (19), realizes double tail branch
The adjusting of support system (II) height；Coaxial ball screw c is installed in the horizontal direction on the linear guide slide unit c (22)
(24-1) and ball screw d (24-2), ball screw c (24-1) and ball screw d (24-2) are mounted on the linear guide slide unit c
(22) on the sliding block on；Ball screw c (24-1) is connect with servo motor d (23-1), ball screw d (24-2) and servo motor
E (23-2) connections；Sliding block on the linear guide slide unit c (22) is transported with ball screw c (24-1) and ball screw d (24-2)
It is dynamic；The transverse base a (25-1) and transverse base b (25-2) is on the sliding block of the linear guide slide unit c (22), laterally
It is respectively equipped with taper hole seat a (26-1) and taper hole seat b (26-2) on pedestal a (25-1) and transverse base b (25-2)；The shoe
Bar a (27-1) and tail supporting rod b (27-2) are each passed through taper hole seat a (26-1) and taper hole seat b (26-2), to be fixed on lateral bottom
On seat a (25-1) and transverse base b (25-2)；The other end and dummy vehicle of tail supporting rod a (27-1) and tail supporting rod b (27-2)
(the taper shoe hole connection of two side positions on III tail end faces, tail supporting rod a (27-1) and tail supporting rod b's (27-2) is symmetrical
In the both sides of the dummy vehicle (III), and it is parallel with the axis of dummy vehicle (III)；Tail supporting rod a (27-1) and shoe
Bar b (27-2) is with the slide block movement on the linear guide slide unit c (22), real while by a part of power load sharing to loading plate b (21)
The adjusting of double tail support device spans is showed；
Unidirectional force piezoelectric transducer is installed in the bracing cable (V) and the junction of dummy vehicle (III), for measuring bracing cable
Tension；
Three axis force is installed in the tail supporting rod a (27-1) and tail supporting rod b (27-2) and the junction of the tail portion dummy vehicle (III)
Piezoelectric transducer, for measuring the three axis force suffered by rigid tail supporting rod.
2. a kind of model support method based on the support of double tails and bracing cable support, which is characterized in that steps are as follows：
Rectangular coordinate system in space O-XYZ is established in the center of gravity of model, the bracing cable tension that unidirectional force sensor measures is respectively F1,
F2,F3,F4；It is measured mounted on two three-dimensional force transducers of tail support bar and exports the rigid connection of tail supporting rod bolster model
Along three component F of reference axisx1、Fy1、Fz1With Fx2、Fy2、Fz2；Model is considered as it is fixed, according to statics balance principle,
Equation of the model by six-dimensional force is established, sees formula (1)：
In formula, matrix A is
In matrix A, θ indicates the angle of bracing cable and horizontal plane XOY；xi,yi,ziIndicate bracing cable with model junction in reference coordinate
It is the coordinate in O-XYZ, unidirectional force sensor is regarded as particle, x by i=1~4i,yi,ziIndicate that particle is sat in built space
Mark the coordinate fastened；xwi,ywi,zwiIndicate coordinate of the three-dimensional force transducer in the reference frame established at tail support, i
=1~2；
The force value F that each sensor is measured1,F2,F3,F4、Fx1、Fy1、Fz1With Fx2、Fy2、Fz2, substitute into equation 1, implementation model institute
It is solved by six-dimensional space power.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810229236.0A CN108414184B (en) | 2018-03-16 | 2018-03-16 | A kind of model supporting device and method based on the support of double tails and bracing cable support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810229236.0A CN108414184B (en) | 2018-03-16 | 2018-03-16 | A kind of model supporting device and method based on the support of double tails and bracing cable support |
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| CN108414184B CN108414184B (en) | 2019-09-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141803A (en) * | 2018-08-29 | 2019-01-04 | 杨雪锋 | A kind of transfer flight simulation wind-tunnel |
| CN113203538A (en) * | 2021-05-25 | 2021-08-03 | 中国航空工业集团公司哈尔滨空气动力研究所 | Device for inhibiting vibration of mirror image supporting rod |
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| CN109141803A (en) * | 2018-08-29 | 2019-01-04 | 杨雪锋 | A kind of transfer flight simulation wind-tunnel |
| CN109141803B (en) * | 2018-08-29 | 2020-07-31 | 江苏普旭软件信息技术有限公司 | Move and carry flight simulation wind-tunnel |
| CN113203538A (en) * | 2021-05-25 | 2021-08-03 | 中国航空工业集团公司哈尔滨空气动力研究所 | Device for inhibiting vibration of mirror image supporting rod |
| CN113203538B (en) * | 2021-05-25 | 2022-09-13 | 中国航空工业集团公司哈尔滨空气动力研究所 | Device for inhibiting vibration of mirror image supporting rod |
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| Publication number | Publication date |
|---|---|
| CN108414184B (en) | 2019-09-27 |
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