CN110108441A - A kind of wind-tunnel balance dynamometer check preparation device - Google Patents
A kind of wind-tunnel balance dynamometer check preparation device Download PDFInfo
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- CN110108441A CN110108441A CN201910387943.7A CN201910387943A CN110108441A CN 110108441 A CN110108441 A CN 110108441A CN 201910387943 A CN201910387943 A CN 201910387943A CN 110108441 A CN110108441 A CN 110108441A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 238000005096 rolling process Methods 0.000 claims abstract description 59
- 238000005259 measurement Methods 0.000 claims abstract description 27
- 238000002955 isolation Methods 0.000 claims abstract description 24
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000008450 motivation Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 230000036039 immunity Effects 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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Classifications
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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
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
-
- 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
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
- G01M9/062—Wind tunnel balances; Holding devices combined with measuring arrangements
Abstract
The present invention relates to wind tunnel force measurement technical fields, specifically disclose a kind of wind-tunnel balance dynamometer check preparation device.The device includes vibration isolation mounts, feel trim actuator, pitching movement mechanism, rolling movement mechanism and polynary loading sleeve, and pitching movement mechanism and rolling movement mechanism are fixed by the bracket on vibration isolation mounts；It is equipped with polynary loading sleeve on the axis of rolling movement mechanism, and is equipped with balance attitude measurement component on it, the pitch angle and roll angle of wind-tunnel balance are measured；Feel trim actuator is mounted on the ground basal plane of vibration isolation mounts center opening, and is separated using the ground of vibration isolation ditch and vibration isolation mounts, can quickly be held up the weight tray of polynary loading sleeve lower end using feel trim actuator.The device can be realized the multiple functions such as model assembling, model and balance assembly, reference distance measurement, the detection of model balance strut system dynamic characteristic and the assessment of wind-tunnel balance accuracy, to greatly improve precision, reliability and the efficiency of wind-tunnel balance dynamometer check preparation.
Description
Technical field
The invention belongs to wind tunnel force measurement technical fields, and in particular to a kind of wind-tunnel balance dynamometer check preparation device.
Background technique
Wind-tunnel balance dynamometer check preparation is the necessary work before wind-tunnel balance dynamometer check, and general mainly includes day
Sensors installation, the assembly of model balance strut, the reference distances such as flat accuracy assessment, model assembling, model inside accelerometer are surveyed
The contents such as amount further include the contents such as model balance strut dynamic characteristic detection for pulse wind tunnel balance dynamometer check.Wind-tunnel day
The precision of flat dynamometer check preparation, reliability directly affect the precision of wind-tunnel balance dynamometer check, reliability, so
It is of crucial importance.Currently, still can be achieved at the same time above-mentioned all wind-tunnel balance dynamometer check beam workers without a kind of device
Work energy, completing force test in wind tunnel preparation on different devices will lead to the multiple installation of wind-tunnel balance, to draw
Enter unnecessary installation repeatability error, moreover, different device benchmark is different, to introduce unnecessary fiducial error.Again,
Force test in wind tunnel preparation is completed on distinct device will inevitably introduce duplicate disassembling operations, reduce wind tunnel force measurement
Test prepares efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of wind-tunnel balance dynamometer check preparation devices, solve wind-tunnel balance dynamometer check
When, distinct device is repeatedly installed and the repeatability error that introduces, increase substantially wind-tunnel balance dynamometer check preparation precision,
Reliability and efficiency.
Technical scheme is as follows: a kind of wind-tunnel balance dynamometer check preparation device, the device include vibration isolation mounts,
Feel trim actuator, pitching movement mechanism, rolling movement mechanism and polynary loading sleeve, wherein pitching movement mechanism and rolling movement
Mechanism is fixed by the bracket on vibration isolation mounts；It is equipped with polynary loading sleeve on the axis of rolling movement mechanism, and sets on it
There is balance attitude measurement component, the pitch angle and roll angle of wind-tunnel balance are measured；Feel trim actuator is mounted on vibration isolation
On the ground basal plane of central opening of the seal, and separated using the ground of vibration isolation ditch and vibration isolation mounts, it can will be polynary using feel trim actuator
The weight tray of loading sleeve lower end is quickly held up.
The pitching movement mechanism is double sector structures, and is equipped with rolling movement mechanism between double sector structures and is formed
Overall structure；The center-side of the sector structure is fixed on two support arms in pedestal upper end face by bearing, makes pitching
Movement mechanism and rolling movement mechanism realize pitching operation along the central axis rotation of sector structure.
The arc end surface of the sector structure is equipped with arc-shaped rack, mutually nibbles with rack-mount driving gear
Matching is closed, and gear is driven to be connected by shaft coupling with servo motor, by shaft coupling and driving gear, drives pitching movement
Two sector structures of mechanism rotate synchronously；Encoder inside servo motor is capable of precise measurement acquisition pitching movement mechanism
Movement angle.
It is provided with and can carry out along the direction vertically with pitching movement mechanism rotation axis in the rolling movement mechanism
The turbine and worm structure of rolling movement, by being driven from high-precision servo motor with encoder and measuring rolling movement
Angle；It is equipped with rolling retaining mechanism in the rolling movement mechanism rear end, the rolling retaining mechanism is covered to be transported in rolling
On worm screw in motivation structure, and it is symmetrical on the basis of worm axis in rolling movement mechanism by hydraulic mechanism and spring realization
Holding brake action, to realize the uniform locking of rolling movement mechanism.
The pedestal upper end face of the double sector structure two sides of the pitching movement mechanism is equipped with the pedestal A of protrusion, described
Pedestal A in be equipped with pitching retaining mechanism, by hydraulic and spring, realize the uniform clamping to sector structure, realize to bowing
Face upward the locking of movement mechanism.
Wind-tunnel balance is installed in the rolling movement mechanism；Before the polynary load is set on wind-tunnel balance
End, wherein polynary loading sleeve includes inner sleeve and housing, and the inner sleeve setting on the coat, makes inner sleeve relative to housing in the side X
It is moved on the direction of rotary shaft, housing is mounted on the frame Y-direction guide rail among gimbal structure, makes housing in the Y direction
The side of rotary shaft brings up inner sleeve and integrally moves along Y-direction guide rail；The gimbal structure central frame structure passes through the side X
It is fixedly connected to bearing with outer circle ring structure, making inner sleeve, housing relative to the outer toroid, rotary shaft rotates in X direction；Institute
The semicircle ring structure for the polynary loading sleeve lower end installation weight tray stated is mounted on outer toroid left and right horizontal face by Y-direction bearing
Both ends, make semicircle ring structure can relative to outer toroid in the Y direction rotary shaft rotate.
The polynary loading sleeve is equipped with balance attitude measurement component, wherein the balance attitude measurement component packet
Include pedestal and accelerometer, wherein pedestal is mounted in the inner sleeve of polynary loading sleeve, and immunity stone is installed on the pedestal
English accelerometer.
The polynary loading sleeve lower end is connected by loaded line with weight tray, and the weight tray, which is placed in, to be unloaded
Mounted mechanism can quickly hold up weight tray using feel trim actuator, so that the weight load being applied on wind-tunnel balance is suddenly disappeared, be
Wind-tunnel balance provides the input of step transient load.
The feel trim actuator includes bottom plate, unloading frame, X-direction screw rod and Z-direction screw rod, wherein along X on bottom plate
Direction is equipped with X-direction guide rail, and unloading frame is mounted on the X-direction guide rail on bottom plate, and utilizes and be arranged in parallel with X-direction guide rail
X-direction screw rod drive unloading frame move in X direction；Unloading shell, upper and lower two end faces are equipped on the unloading frame
It is respectively formed unloading face I and unloading face II, and the Z-direction screw rod by installing on unloading frame drives unloading shell along Z-direction
Guide rail moves up and down, and the quick picking-up of unloading face can be realized using Z-direction screw rod.
Reference distance measuring mechanism is additionally provided on the vibration isolation mounts, the reference distance measuring mechanism setting is being propped up
The side of frame；The reference distance measuring mechanism includes pedestal B, grating scale, screw rod and guide rail, wherein pedestal B is rectangle
Shell structure, upper and lower end face is parallel, and is equipped with guide rail in parallel on upper surface, and grating scale is vertically arranged with guide rail direction,
And it is mounted on guide rail by sliding block, and drive grating scale to move along guide rail using with guide rail screw rod disposed in parallel；In wind-tunnel
When balance axis is in horizontal plane, the axis of guide rail is parallel with wind-tunnel balance axis in the reference distance measuring mechanism；?
The grating scale is equipped with zero reference, and the ruler head and polynary loading sleeve or model in wind tunnel of front end cooperate, and realizes ginseng
Examine the precise measurement of distance.
Remarkable result of the invention is: a kind of wind-tunnel balance dynamometer check preparation device of the present invention has following
Advantage: 1, using preparation device of the invention, it can be achieved that sensors installation and the model such as model assembling, model inside accelerometer
Balance strut assembly etc.；It can realize the model balance strut system dynamic characteristic inspection under the larger weight load effect of 30kg or more
It surveys；The measurement accuracy of reference distance is up to 0.01mm in wind-tunnel balance dynamometer check；It can be realized model assembling, model and day
A variety of function such as paperback is matched, reference distance measures, model balance strut system dynamic characteristic detects and wind-tunnel balance accuracy is assessed
Can, to greatly improve precision, reliability and the efficiency of wind-tunnel balance dynamometer check preparation.
Detailed description of the invention
Fig. 1 is a kind of wind-tunnel balance dynamometer check preparation device structural schematic diagram of the present invention；
Fig. 2 is the control of wind-tunnel balance attitude motion and loading section structural schematic diagram in Fig. 1；
Fig. 3 is loading sleeve structural schematic diagram in Fig. 1；
Fig. 4 is feel trim actuator structural schematic diagram in Fig. 1；
Fig. 5 is reference distance measurement structural representation in Fig. 1；
In figure: 1, vibration isolation mounts；2, feel trim actuator；3, pitching retaining mechanism；4, pitching movement mechanism；5, machine is locked in rolling
Structure；6, rolling movement mechanism；7, polynary loading sleeve；8, balance attitude measurement component；9, reference distance measuring mechanism；10, bracket；
11, inner sleeve；12, housing；13, wind-tunnel balance；14, sector structure；15, shaft coupling；16, arc-shaped rack；17, gear is driven；18,
Pedestal A；19, loaded line；20, weight tray；21, X-direction bearing；22, Y-direction bearing；23, X-direction rotary shaft；24, Y-direction
Rotary shaft；25, weight load action direction；26, Y-direction guide rail；27, X-direction guide rail；28, unloading face I；29, X-direction screw rod；
30, X-direction guide rail；31, unloading face II；32, Z-direction screw rod；33, screw rod；34, guide rail；35, grating scale；36, pedestal B.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, a kind of wind-tunnel balance dynamometer check preparation device, including vibration isolation mounts 1, feel trim actuator 2, pitching fortune
Motivation structure 4, rolling movement mechanism 6, polynary loading sleeve 7 and reference distance measuring mechanism 9, wherein pitching movement mechanism 4 and rolling
Rotation movement structure 6 is fixed on vibration isolation mounts 1 by bracket 10, is equipped with pitching retaining mechanism 3 and rolling lock over the mount 10
Tight mechanism 5, can as needed respectively be locked to pitching movement mechanism 4 and rolling movement mechanism 6；In rolling movement machine
The axis of structure 6 is equipped with polynary loading sleeve 8, and is provided with balance attitude measurement component 8 on it, to the pitch angle of wind-tunnel balance
Degree and roll angle measure；Feel trim actuator 2 is mounted on the ground basal plane of 1 center opening of vibration isolation mounts, and utilizes vibration isolation ditch
It is separated with the ground of vibration isolation mounts 1；It is also equipped with reference distance measuring mechanism 9 on the vibration isolation mounts 1 of 10 side of bracket, realizes
To the precise measurement of reference distance；
As shown in Fig. 2, pitching movement mechanism 4 is double sector structures 14, and it is fixedly installed between double sector structures 14
Rolling movement mechanism 6 forms overall structure, and the center-side of sector structure 14 is fixed on two of 10 upper surface of bracket by bearing
On support arm, make pitching movement mechanism 4 and rolling movement mechanism 6 along the central axis rotation of sector structure 14；In two sectors
High-precision arc-shaped rack 16 is installed in the arc end surface of structure 14, drives gear with the high-precision of installation over the mount 10
17 are meshed matching, and two driving gears 17 are connected by shaft coupling 15 with servo motor, pass through shaft coupling 15 and driving
Two sector structures 14 of gear 17, driving pitching movement mechanism 3 rotate synchronously；Encoder inside servo motor can be accurate
Measurement obtains the movement angle of pitching movement mechanism；On the bracket 10 for being located at 4 pairs of 14 two sides of sector structure of pitching movement mechanism
End face is equipped with the pedestal A18 of protrusion, and pitching retaining mechanism 3 is equipped in pedestal A18, by hydraulic and spring, realizes
The locking to pitching movement mechanism 4 is realized in uniform clamping to sector structure 14；Along vertical and pitching in rolling movement mechanism 6
The turbine and worm structure that can carry out rolling movement is provided on the direction of 4 rotation axis of movement mechanism, by carrying encoder
High-precision servo motor driven and measure the angle of rolling movement；It is locked in 6 rear end of rolling movement mechanism equipped with rolling
Mechanism 5, set are realized in rolling movement mechanism 6 on the worm screw in rolling movement mechanism 6, and through hydraulic mechanism and spring
Symmetrical holding brake action on the basis of worm axis, to realize the uniform locking of rolling movement mechanism 6；Wind-tunnel balance 13 is mounted on
In rolling movement mechanism 6, make wind-tunnel balance 13 that can carry out pitching under the drive of pitching movement mechanism 4 and rolling movement mechanism 6
And rolling movement；The front end of wind-tunnel balance 13 is equipped with polynary loading sleeve 7, wherein polynary loading sleeve 7 includes inner sleeve 11 and housing
12, controllable relative movement can occur on polynary 7 axis X direction of loading sleeve and the horizontal Y-direction of vertical axis；Counterweight support
Disk 20 is mounted on the lower end of polynary loading sleeve 7 by loaded line 19, and balance attitude measurement component is equipped on polynary loading sleeve 7
8, wherein balance attitude measurement component 8 includes pedestal and accelerometer, wherein pedestal is mounted on the inner sleeve 11 of polynary loading sleeve 7
In, and immunity quartz accelerometer is installed on the base, guarantee that balance measuring part is opposite with polynary loading sleeve by pedestal
Positional relationship is realized the measurement of wind-tunnel balance terminal pitch angle and roll angle by flexible quartz accelerometer, effectively kept away
Exempt from weight load and acts on lower wind-tunnel balance angular flexibility to the assessment bring influence of wind-tunnel balance accuracy.
As shown in figure 3, inner sleeve 11 is mounted on housing 12 in polynary loading sleeve 7, make inner sleeve 11 relative to housing 12 in the side X
It is moved on the direction of rotary shaft 23, housing 12 is mounted on the frame Y-direction guide rail 26 among gimbal structure, makes housing 12
The side of rotary shaft 24 brings up 11 entirety of inner sleeve and moves along Y-direction guide rail 26 in the Y direction；Gimbal structure central frame structure
It is fixedly connected by X-direction bearing 21 with outer circle ring structure, makes inner sleeve 11, housing 12 relative to outer toroid rotary shaft in X direction
23 rotations；The semicircle ring structure of polynary 7 lower end of loading sleeve installation weight tray 20 is mounted on an outer toroid left side by Y-direction bearing 22
The both ends of right horizontal plane make semicircle ring structure can be relative to the outer toroid rotation of rotary shaft 24 in the Y direction；Two rotations of universal joint
Axis intersection point is overlapped always with the loading direction of weight tray 20, keeps the last direction of counterweight downward along plumb line always, to pass through
The relative movement control weight load position and wind-tunnel balance 13 of polynary 7 inner sleeve of loading sleeve and housing in the x-direction and the z-direction
Relative position, realize the generation of specified size torque；When wind-tunnel balance 13 is in specified pitch angle, specified roll angle shape
When state, the carry counterweight on weight tray 20, weight load will decompose in 13 body shafting of wind-tunnel balance, generate specified big
Small axial force, normal force, lateral force, polynary loading sleeve inner sleeve 11 position opposite with the X-direction that polynary loading sleeve housing 12 generates
Shifting is accurately measured by reference distance measuring mechanism 9, the Y-direction phase that polynary loading sleeve inner sleeve 11 is generated with polynary loading sleeve housing 12
Displacement is accurately measured by the scale on polynary loading sleeve housing 12, to generate specified size in 13 body shafting of wind-tunnel balance
Pitching moment, yawing, rolling moment.Voltage output and existing wind-tunnel balance with collected wind-tunnel balance 13
13 calibration equation inverses go out 13 force-bearing situation of wind-tunnel balance, axial force, the method with the specified size acted on wind-tunnel balance 13
Xiang Li, lateral force, pitching moment, yawing, rolling moment compare, and realize the accuracy assessment of wind-tunnel balance 13.
As shown in figure 4, feel trim actuator 2 includes bottom plate, unloading frame, X-direction screw rod 29 and Z-direction screw rod 32, wherein
X-direction guide rail 30 is installed in X direction, unloading frame is mounted on the X-direction guide rail 30 on bottom plate, and is utilized and the side X on bottom plate
The X-direction screw rod 29 disposed in parallel of direction guiding rail 30 drives unloading frame to move in X direction；Unloading shell is equipped on unloading frame,
Upper and lower two end faces are respectively formed unloading face I28 and unloading face II31, and the Z-direction screw rod 32 by installing on unloading frame drives
Unloading shell is moved up and down along the guide rail of Z-direction, and the quick picking-up of unloading face can be realized using Z-direction screw rod 32, so that applying
Weight load on wind-tunnel balance suddenly disappears, and provides the input of step transient load for balance, realizes the dynamic of wind-tunnel balance
Characteristics Detection.
As shown in figure 5, reference distance measuring mechanism 9 includes pedestal B36, grating scale 35, screw rod 33 and guide rail 34,
In, pedestal B36 is rectangular case structure, and upper and lower end face is parallel, and is equipped with guide rail 34 in parallel on upper surface, grating scale 35
It is vertically arranged with 34 direction of guide rail, and is mounted on guide rail 34 by sliding block, and utilize and the screw rod 33 disposed in parallel of guide rail 34
Grating scale 35 is driven to move along guide rail 34；When wind-tunnel balance axis is in horizontal plane, guide rail in reference distance measuring mechanism 9
Axis is parallel with 13 axis of wind-tunnel balance；Be equipped with zero reference on grating scale 35, the ruler head of front end and polynary loading sleeve 7 or
Model in wind tunnel cooperation, realizes the precise measurement of reference distance.
The specifically used process of a kind of wind-tunnel balance dynamometer check preparation device of the present invention are as follows: (1) by wind-tunnel day
Flat 13 are mounted in the mounting base in rolling movement mechanism 6, and polynary loading sleeve 7 is mounted on 13 front end of wind-tunnel balance.In pallet
Carry specified wt counterweight on 20 controls pitching movement mechanism 4 and rolling movement mechanism 6 and adjusts 13 posture of wind-tunnel balance to specifying
Angle, the angle are measured by wind-tunnel balance attitude measurement component 8, to generate the three-component power of specified size to wind-tunnel balance 13
Load.Mobile polynary loading sleeve housing 12 makes polynary loading sleeve housing 12 generate the opposite of specified size with polynary loading sleeve 11
Displacement, the displacement are measured by reference distance measurement measuring mechanism 9, to generate the three-component power of specified size to wind-tunnel balance 13
Square load.It is defeated by mating data actuation acquisition 13 voltage of wind-tunnel balance of wind-tunnel balance if wind-tunnel balance 13 belongs to strain balance
Out, the assessment of 13 accuracy of wind-tunnel balance is carried out to calculate；If wind-tunnel balance 13 belongs to piezoelectric balance, feel trim actuator 2 quickly holds up weight
Code, and 13 voltage output of wind-tunnel balance is acquired by the mating data actuation of wind-tunnel balance, it carries out the assessment of 13 accuracy of wind-tunnel balance and calculates.
(2) after completing the assessment of 13 accuracy of wind-tunnel balance, polynary loading sleeve 7 is removed from wind-tunnel balance 13, test model is mounted on
13 front end of wind-tunnel balance.(3) assembly working of the components such as model rudder, upper cover is completed.(4) on mobile reference distance measuring mechanism 9
Ruler head to model front end, ruler head reading is read, as test model reference distance calculation basis.(5) the carry weight on model
Code quickly holds up counterweight by feel trim actuator 2, and the model balance system to be mounted in rolling movement mechanism 6 provides step dynamic
Load input, to carry out the dynamic characteristic detection of model balance system.(6) after completing the above operation, test mould can will be housed
The wind-tunnel balance 13 of type is removed from rolling movement mechanism 6, is mounted in wind-tunnel, and wind tunnel test is carried out.
Claims (10)
1. a kind of wind-tunnel balance dynamometer check preparation device, it is characterised in that: the device includes vibration isolation mounts (1), feel trim actuator
(2), pitching movement mechanism (4), rolling movement mechanism (6) and polynary loading sleeve (7) wherein, pitching movement mechanism (4) and rolling
Rotation movement structure (6) is fixed on vibration isolation mounts (1) by bracket (10)；It is equipped on the axis of rolling movement mechanism (6) more
First loading sleeve (8), and be equipped with balance attitude measurement component (8) on it, pitch angle and roll angle to wind-tunnel balance into
Row measurement；Feel trim actuator (2) is mounted on the ground basal plane of vibration isolation mounts (1) center opening, and utilizes vibration isolation ditch and vibration isolation mounts
(1) ground separates, and can quickly be held up the weight tray of polynary loading sleeve (8) lower end using feel trim actuator (2).
2. a kind of wind-tunnel balance dynamometer check preparation device according to claim 1, it is characterised in that: the pitching fortune
Motivation structure (4) is double sector structures (14), and is equipped with rolling movement mechanism (6) between double sector structures (14) and forms whole knot
Structure；The center-side of the sector structure (14) is fixed on two support arms of bracket (10) upper surface by bearing, makes to bow
Movement mechanism (4) and rolling movement mechanism (6) are faced upward along the central axis rotation of sector structure (14), realizes pitching operation.
3. a kind of wind-tunnel balance dynamometer check preparation device according to claim 2, it is characterised in that: the fan-shaped knot
The arc end surface of structure (14) is equipped with arc-shaped rack (16), is meshed with the driving gear (17) being mounted on bracket (10)
Match, and gear (17) driven to be connected by shaft coupling (15) with servo motor, by shaft coupling (15) and drives gear (17),
Two sector structures (14) of pitching movement mechanism (3) are driven to rotate synchronously；Encoder inside servo motor can be surveyed accurately
Amount obtains the movement angle of pitching movement mechanism.
4. a kind of wind-tunnel balance dynamometer check preparation device according to claim 2, it is characterised in that: the rolling fortune
In motivation structure (6) along vertically with the turbine that can carry out rolling movement is provided on the direction of pitching movement mechanism (4) rotation axis
Worm structure, by being driven from high-precision servo motor with encoder and measuring the angle of rolling movement；Described
Rolling movement mechanism (6) rear end be equipped with rolling retaining mechanism (5), the rolling retaining mechanism (5) covers in rolling movement machine
On worm screw in structure (6), and pair by hydraulic mechanism and spring realization on the basis of worm axis in rolling movement mechanism (6)
Claim holding brake action, to realize the uniform locking of rolling movement mechanism (6).
5. a kind of wind-tunnel balance dynamometer check preparation device according to claim 2, it is characterised in that: the pitching fortune
Bracket (10) upper surface of motivation structure (4) double sector structures (14) two sides is equipped with the pedestal A (18) of protrusion, in the pedestal
Pitching retaining mechanism (3) are equipped in A (18), by hydraulic and spring, the uniform clamping to sector structure (14) is realized, realizes
Locking to pitching movement mechanism (4).
6. a kind of wind-tunnel balance dynamometer check preparation device according to claim 1, it is characterised in that: the rolling fortune
Wind-tunnel balance (13) are installed on motivation structure (6)；The polynary loading sleeve (7) is arranged in the front end of wind-tunnel balance (13),
In, polynary loading sleeve (7) includes inner sleeve (11) and housing (12), and the inner sleeve (11) is arranged on housing (12), makes inner sleeve
(11) it is moved on the direction of X-direction rotary shaft (23) relative to housing (12), housing (12) is mounted among gimbal structure
Frame Y-direction guide rail (26) on, so that the side of housing (12) rotary shaft (24) in the Y direction is brought up inner sleeve (11) whole along Y
Traversing guide (26) is mobile；The gimbal structure central frame structure is solid by X-direction bearing (21) and outer circle ring structure
Fixed connection, making inner sleeve (11), housing (12) relative to the outer toroid, rotary shaft (23) rotates in X direction；Described is polynary
The semicircle ring structure of loading sleeve (7) lower end installation weight tray (20) is mounted on outer toroid or so water by Y-direction bearing (22)
The both ends of plane make semicircle ring structure can be relative to outer toroid rotary shaft (24) rotation in the Y direction.
7. a kind of wind-tunnel balance dynamometer check preparation device according to claim 6, it is characterised in that: it is described polynary plus
It carries set (7) and is equipped with balance attitude measurement component (8), wherein the balance attitude measurement component (8) includes pedestal and acceleration
Degree meter, wherein pedestal is mounted in the inner sleeve (11) of polynary loading sleeve (7), and is installed immunity quartz on the pedestal and added
Speedometer.
8. a kind of wind-tunnel balance dynamometer check preparation device according to claim 6, it is characterised in that: it is described polynary plus
It carries set (7) lower end to be connected by loaded line (19) with weight tray (20), the weight tray (20) is placed in unloader
Structure (2) can quickly hold up weight tray using feel trim actuator (2), keep the weight load being applied on wind-tunnel balance (13) unexpected
It disappears, provides the input of step transient load for wind-tunnel balance (13).
9. a kind of wind-tunnel balance dynamometer check preparation device according to claim 1, it is characterised in that: the unloader
Structure (2) includes bottom plate, unloading frame, X-direction screw rod (29) and Z-direction screw rod (32), wherein is installed in X direction on bottom plate
Have X-direction guide rail (30), unloading frame is mounted on the X-direction guide rail (30) on bottom plate, and is utilized parallel with X-direction guide rail (30)
The X-direction screw rod (29) of setting drives unloading frame to move in X direction；Unloading shell is equipped on the unloading frame, above and below
Two end faces are respectively formed unloading face I (28) and unloading face II (31), and Z-direction screw rod (32) band by installing on unloading frame
Dynamic unloading shell is moved up and down along the guide rail of Z-direction, and the quick picking-up of unloading face can be achieved using Z-direction screw rod (32).
10. a kind of wind-tunnel balance dynamometer check preparation device according to claim 1, it is characterised in that: the vibration isolation
It is additionally provided on pedestal (1) reference distance measuring mechanism (9), the reference distance measuring mechanism (9) is arranged in bracket (10)
Side；The reference distance measuring mechanism (9) includes pedestal B (36), grating scale (35), screw rod (33) and guide rail (34),
Wherein, pedestal B (36) is rectangular case structure, and upper and lower end face is parallel, and is equipped with guide rail (34), light in parallel on upper surface
Grid ruler (35) is vertically arranged with guide rail (34) direction, and is mounted on guide rail (34) by sliding block, and is put down using with guide rail (34)
The screw rod (33) of row setting drives grating scale (35) mobile along guide rail (34)；When wind-tunnel balance (13) axis is in horizontal plane,
The axis of guide rail is parallel with wind-tunnel balance (13) axis in the reference distance measuring mechanism (9)；In the grating scale
(35) it is equipped with zero reference, the ruler head of front end and polynary loading sleeve (7) or model in wind tunnel cooperate, and realize reference distance
Precise measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387943.7A CN110108441A (en) | 2019-05-10 | 2019-05-10 | A kind of wind-tunnel balance dynamometer check preparation device |
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Cited By (11)
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| CN110108440A (en) * | 2019-05-10 | 2019-08-09 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of wind-tunnel balance attitude-control device |
| CN110726527A (en) * | 2019-11-08 | 2020-01-24 | 中国航空工业集团公司沈阳空气动力研究所 | Double-helix angle measuring balance for wind tunnel rolling vibration device |
| CN111207901A (en) * | 2020-01-17 | 2020-05-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | Wind tunnel balance single-vector multi-element loading sleeve device and using method thereof |
| CN111207902A (en) * | 2020-01-17 | 2020-05-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | Method for initializing installation data of wind tunnel balance single-vector multi-element calibration loading sleeve |
| CN111900947A (en) * | 2020-07-16 | 2020-11-06 | 顾丽旺 | Fine adjustment device for mounting quartz crystal frequency chip |
| CN112268680A (en) * | 2020-09-17 | 2021-01-26 | 中国航天空气动力技术研究院 | Method for improving test accuracy of rotary balance |
| CN112268681A (en) * | 2020-09-24 | 2021-01-26 | 南京理工大学 | Five-component strain balance testing device and method |
| CN112362293A (en) * | 2020-11-27 | 2021-02-12 | 中国航天空气动力技术研究院 | Wind tunnel balance elastic angle correction system and using method thereof |
| CN112461494A (en) * | 2020-11-09 | 2021-03-09 | 中国空气动力研究与发展中心 | Pulse combustion wind tunnel model support-balance integrated force measuring device |
| CN113049213A (en) * | 2021-03-11 | 2021-06-29 | 中国空气动力研究与发展中心高速空气动力研究所 | Wind tunnel balance loading method |
| CN115046723A (en) * | 2022-08-15 | 2022-09-13 | 中国空气动力研究与发展中心高速空气动力研究所 | Loading device for preparing force measurement test and test method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108440A (en) * | 2019-05-10 | 2019-08-09 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of wind-tunnel balance attitude-control device |
| CN110726527B (en) * | 2019-11-08 | 2021-07-13 | 中国航空工业集团公司沈阳空气动力研究所 | Double-helix angle measuring balance for wind tunnel rolling vibration device |
| CN110726527A (en) * | 2019-11-08 | 2020-01-24 | 中国航空工业集团公司沈阳空气动力研究所 | Double-helix angle measuring balance for wind tunnel rolling vibration device |
| CN111207901A (en) * | 2020-01-17 | 2020-05-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | Wind tunnel balance single-vector multi-element loading sleeve device and using method thereof |
| CN111207902A (en) * | 2020-01-17 | 2020-05-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | Method for initializing installation data of wind tunnel balance single-vector multi-element calibration loading sleeve |
| CN111207902B (en) * | 2020-01-17 | 2020-10-16 | 中国空气动力研究与发展中心超高速空气动力研究所 | Method for initializing installation data of wind tunnel balance single-vector multi-element calibration loading sleeve |
| CN111900947A (en) * | 2020-07-16 | 2020-11-06 | 顾丽旺 | Fine adjustment device for mounting quartz crystal frequency chip |
| CN112268680A (en) * | 2020-09-17 | 2021-01-26 | 中国航天空气动力技术研究院 | Method for improving test accuracy of rotary balance |
| CN112268681A (en) * | 2020-09-24 | 2021-01-26 | 南京理工大学 | Five-component strain balance testing device and method |
| CN112461494A (en) * | 2020-11-09 | 2021-03-09 | 中国空气动力研究与发展中心 | Pulse combustion wind tunnel model support-balance integrated force measuring device |
| CN112362293A (en) * | 2020-11-27 | 2021-02-12 | 中国航天空气动力技术研究院 | Wind tunnel balance elastic angle correction system and using method thereof |
| CN113049213A (en) * | 2021-03-11 | 2021-06-29 | 中国空气动力研究与发展中心高速空气动力研究所 | Wind tunnel balance loading method |
| CN113049213B (en) * | 2021-03-11 | 2022-03-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Wind tunnel balance loading method |
| CN115046723A (en) * | 2022-08-15 | 2022-09-13 | 中国空气动力研究与发展中心高速空气动力研究所 | Loading device for preparing force measurement test and test method |
| CN115046723B (en) * | 2022-08-15 | 2022-10-25 | 中国空气动力研究与发展中心高速空气动力研究所 | Loading device for preparing force measurement test and test method |
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