CN206683839U - A kind of wind-tunnel balance calibrating platform - Google Patents
A kind of wind-tunnel balance calibrating platform Download PDFInfo
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- CN206683839U CN206683839U CN201720331367.0U CN201720331367U CN206683839U CN 206683839 U CN206683839 U CN 206683839U CN 201720331367 U CN201720331367 U CN 201720331367U CN 206683839 U CN206683839 U CN 206683839U
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Abstract
The utility model provides a kind of wind-tunnel balance calibrating platform, belongs to wind-tunnel balance calibration technique field.The both sides of platform base are provided with platform rail and rack with grating scale, platform base one end is provided with fixed loading frame, fixed loading frame is provided with rectangular base, top is provided with middle frame, the bottom of two heel posts and the panel of rectangular base are fixed, the top of middle frame is provided with motor one and connects ball-screw one, and the front of electric cylinder supporting plate one is provided with electric cylinder one, and back is provided with the feed screw nut one coordinated with ball-screw one.Platform base is provided with two loading portal frames, pars infrasegmentalis is provided with travel mechanism in the column of portal frame, the top of column epimere is fixed with crossbeam, bottom is fixed by bolt and column stage casing, the top of the column epimere of portal frame is provided with motor two, motor two is fixed by end cap and crossbeam, and the output shaft of motor two is connected by shaft coupling two with the upper end of leading screw two, and electric cylinder three and weighing sensor three are provided with the middle part of portal frame crossbeam.
Description
Technical field
The utility model belongs to wind-tunnel balance calibration technique field.
Background technology
Wind tunnel test is that aircraft performance is understood in the development process of aircraft, reduces aircraft developing risk and cost
Important means.Wind-tunnel balance acts on flight force and moment on model six-freedom degree for measurement, is aircraft
The research of flight angle, configuration design etc. provides capsule information.Wind-tunnel balance is actually a six component forces sensing
Device, the power and torque that will act on model are decomposed along three orthogonal reference axis, are achieved in accurately measuring, and it is measured
Principle is strain measurement.
Before balance comes into operation, its internal integrated elastic body structure equipped with multi-disc sensing element has already passed through essence
Really demarcation, but constantly accelerate with the speed of current aircraft, the Mach number of wind tunnel experiment has lifted 5~9 Mach already,
As the transacter of wind tunnel experiment, its internal transmission characteristic has after huge impact is repeatedly born moves back faster
Change, thus the demarcation demand to wind-tunnel balance also improves.
Balance has complicated mechanical structure in itself, with the change of transmission characteristic, transmission spy's degeneration journey of different parts
Spend the means different, urgent need can be according to coordinate to be loaded in demarcation is tested.
Caliberating device related data at present both at home and abroad on wind-tunnel balance is seldom, in order to meet that coordinate is realized in balance demarcation
The needs of formula loading, improve the levels of precision of calibration result, ensure whole mechanism controls precision, the research of this balance calibrating platform
It is necessary.
Utility model content
The purpose of this utility model is to provide a kind of wind-tunnel balance calibrating platform, and it can efficiently solve complete machine servo-drive system
Realize the selection loading position problem of co-ordinate-type.
The purpose of this utility model is achieved through the following technical solutions：
A kind of wind-tunnel balance calibrating platform, including platform base, platform rail and rack with grating scale, platform base
Both sides be provided with rack, platform base one end is provided with fixed loading frame, and fixed loading frame is provided with rectangular base, above rectangular base
Provided with middle frame, the bottom of the heel post of middle frame two and the panel of rectangular base are fixed, and the top of middle frame is provided with motor support base
With motor one, the output shaft of motor one is connected by shaft coupling one with the upper end of ball-screw one by bearing four, ball-screw one
Lower end is fixed by the middle part of bearing one and bearing (ball) cover one and base panel；Upright guide rail is provided with the inside of the column of middle frame
One, the back of electric cylinder supporting plate one is provided with the sliding block one coordinated with upright guide rail one, and the leading screw coordinated with ball-screw one
Nut one, the front of electric cylinder supporting plate one are provided with electric cylinder one and weighing sensor one；
Platform base is provided with two loading portal frames, and pars infrasegmentalis is provided with travel mechanism, column epimere in the column of portal frame
Top fixed with crossbeam, bottom is fixed by bolt and column stage casing, and the top of the column epimere of portal frame is provided with motor two,
Motor two is fixed by end cap and crossbeam, and the output shaft of motor two is connected by shaft coupling two with the upper end of leading screw two, leading screw two
Upper end is provided with bearing 2 41, is fixed by bearing (ball) cover two and column epimere top, and the lower end of leading screw two by bearing three and is stood
Pars infrasegmentalis is connected on post, and the feed screw nut two coordinated with leading screw two is fixed on electric cylinder supporting plate two, the back of the body of electric cylinder supporting plate two
Portion is provided with the sliding block two coordinated with upright guide rail two, and the outside of electric cylinder supporting plate two by bolt and is provided with weighing sensor two
Electric cylinder two is fixed；
Electric cylinder three and weighing sensor three are provided with the middle part of portal frame crossbeam.
The fixed loading frame is fixed by being distributed in the bolt of bottom with platform base.
The base panel rectangular base is bolted.
The advantages of the utility model and effect：It is by being distributed in several servomotors of whole platform and with grating scale
Guide rail can realize high-precision position-force control, mechanical structure after optimization design realizes the loading shape minimized
Become the control with overall mass.Compared to structure before.With two can accurate movement portal frame, by portal frame have compared with
Long displacement can be realized is demarcated to the balance of different model, and the essence of loading force can be realized by being provided with multiple electric cylinders
Really control and three directions load simultaneously, and complete machine largest deformation amount is no more than during maximum load power 10Kn after optimization design
0.01mm。
Brief description of the drawings
Fig. 1 is stereogram of the present utility model
Fig. 2 is front view of the present utility model
Fig. 3 is the stereogram of fixed loading frame of the present utility model
Fig. 4 is the explosive view of fixed loading frame of the present utility model
Fig. 5 is the mobile explosive view for loading portal frame of the present utility model
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is described in further detail.
A kind of embodiment of the present utility model：
A kind of wind-tunnel balance calibrating platform, the both sides of platform base 22 are provided with rack 23 and the platform rail with grating scale
24 can realize closed-loop control by the platform rail 24 with grating scale, and the one end of platform base 22 is provided with fixed loading frame, fixed
Loading frame is provided with rectangular base 25, and the top of rectangular base 25 is provided with middle frame 28, the bottom of 28 liang of heel posts 27 of middle frame and square
The panel 26 of shape base is fixed, and the top of middle frame 28 is provided with motor support base 2 and motor 1, and the output shaft of motor 1 passes through connection
Axle device 1 is connected with the upper end of ball-screw 1 by bearing 4 40, and the lower end of ball-screw 1 passes through bearing 1 and bearing
The middle part of end cap 1 and base panel 26 is fixed；Upright guide rail 1, electric cylinder supporting plate one are provided with the inside of the column of middle frame 28
6 backs are provided with the sliding block 1 coordinated with upright guide rail 1, and the feed screw nut 1 coordinated with ball-screw 1, electronic
The front of cylinder supporting plate 1 is provided with electric cylinder 1 and weighing sensor 1.
Platform base 22 is provided with two loading portal frames, and the bottom of column stage casing 20 of portal frame is provided with travel mechanism 21, stood
The top of post epimere 19 is fixed with crossbeam 12, and bottom is fixed by bolt and column stage casing 20, the column epimere 19 of portal frame
Top is provided with motor 2 10, and motor 2 10 is fixed by end cap 11 and crossbeam 12, and the output shaft of motor 2 10 passes through shaft coupling two
17 are connected with the upper end of leading screw 2 18, and leading screw 2 18 is provided with bearing 2 41, passes through bearing (ball) cover 2 36 and the top of column epimere 19
Fixed, the lower end of leading screw 2 18 is connected by bearing 3 42 with the bottom of column epimere 19；The feed screw nut coordinated with leading screw 2 18
2 31 are fixed on the feed screw nut 2 32 of the connection of electric cylinder supporting plate 2 14, and the back of electric cylinder supporting plate 2 14 is provided with leading vertically
The sliding block 2 15 that rail 2 16 coordinates, the outside of electric cylinder supporting plate 2 14 pass through bolt and the electric cylinder provided with weighing sensor 2 30
2 13 fix.
The middle part of portal frame crossbeam 12 is provided with electric cylinder 39 and weighing sensor 3 29.
The fixed loading frame is fixed by being distributed in the bolt of bottom with platform base 22.
The rectangular base 25 of base panel 26 is bolted.
Mobile loading portal frame is by travel mechanism 21, gantry pillar stage casing 20, gantry pillar epimere 19 and portal frame
Crossbeam 12 forms, and this three parts all passes through the uniform bolt connection of surrounding.Wherein gantry pillar epimere 19 passes through bolt and dragon
Door frame column stage casing 20 is fixed, and the top of gantry pillar epimere 19 is equipped with bearing (ball) cover 2 36, bearing 2 41 and leading screw 2 18,
The bottom of leading screw 2 18 is connected by bearing 3 42 with gantry pillar stage casing 20, and feed screw nut 2 31 is mounted in and is connected to electric cylinder
On the feed screw nut 2 32 of supporting plate 2 14, electric cylinder supporting plate 2 14 simultaneously and two groups of sliding blocks 2 15, upright guide rail 2 16 connection with
Realize that it is moved up and down, the outside of electric cylinder supporting plate 2 14 has been bolted an electric cylinder 2 13 to realize above and below it
The loading position in direction changes, and electric cylinder 2 13 is connected to realize the measurement of loading force with a weighing sensor 2 30 simultaneously.
Gantry pillar epimere 19 is connected by bolt with portal frame crossbeam 12, while the leading screw 2 18 inside column has coordinated bearing two
4th, shaft coupling 2 17 is finally connected with motor 2 10.The top of portal frame crossbeam 12 is equipped with motor 2 10 and electric motor end cap by bolt
11, the middle part of portal frame crossbeam 12 is equipped with electric cylinder 39 and weighing sensor 3 29 with the loading of realization top and the survey of loading force
Amount.Fixed loading frame is fixedly connected by being distributed in the bolt of bottom with platform base 22.Fix base of the loading frame by bottom
25 are bolted base cover plate 26, and the middle part of base cover plate 26 is equipped with bearing (ball) cover 1, bearing 1 and ball-screw
One 33, base cover plate 26 has been bolted the column 27 of both sides, the outsides of column 27 of both sides be equipped with upright guide rail 1,
Sliding block 1 is simultaneously connected with electric cylinder supporting plate 1, the feed screw nut 1 at the back of electric cylinder supporting plate 1 and and feed screw nut seat 37
Connection, outside and electric cylinder 1 and weighing sensor 1 are to realize the measurement of the loading of fixing end and loading force, due to leading screw
The change up and down at loading position can be achieved in the secondary presence of secondary and guide rail slide block.The top of 28 liang of heel posts 27 of middle frame passes through a system
The bolt of row is fixed, motor support base 2 and motor 1, the ball-screw 1 at middle part have coordinated feed screw nut 1, bearing (ball) cover
One 39, the bearing 3 42 and bearing 4 40 and shaft coupling 1 at both ends are finally connected with motor 1.
Operation principle of the present utility model：In real work, balance is fixed on platform base 22 first, it is necessary to enter
When row mobile terminal side loads, portal frame is moved to the positions of needs by travel mechanism 21, this hour rack 23 and carries brake
The travel mechanism 21 of car can realize the positioning of portal frame, then drive leading screw 2 18, and leading screw 2 18, leading screw by motor 2 10
Nut seat 2 32 and electric cylinder supporting plate 2 14 are all that bolt is fixed on one, and then motor 2 10 can control electric cylinder about 2 13
Move to find suitable loading position, control electric cylinder 2 13 to be loaded by controller；When needing Vertical loading, together
Portal frame is moved to the position of needs by sample, then directly controls upper end electric cylinder 39 directly to be loaded by controller.When
When needing the fixing end to load, motor 1 can be passed through and drive ball-screw 1 to rotate, ball-screw 1, feed screw nut seat 37
All it is that bolt is fixed on one with electric cylinder supporting plate 1, then motor 1 can control electric cylinder 1 to move up and down and be closed to find
Suitable loading position.Whole system uses servomotor closed-loop control, can reach higher control accuracy.Pass through finite element meter
Minimum is arrived in deformation quantity control after calculation.
Claims (3)
1. a kind of wind-tunnel balance calibrating platform, including platform base 22, platform rail 24 and rack 23 with grating scale, it is special
Sign is：The both sides of platform base 22 are provided with rack 23, and the one end of platform base 22 is provided with fixed loading frame, and fixed loading frame is provided with
Rectangular base 25, the top of rectangular base 25 are provided with middle frame 28, the bottom of 28 liang of heel posts 27 of middle frame and the face of rectangular base
Plate 26 is fixed, and the top of middle frame 28 is provided with motor support base 2 and motor 1, the output shaft of motor 1 by shaft coupling 1 with
The upper end of ball-screw 1 connects, and the lower end of ball-screw 1 passes through bearing 1 and bearing (ball) cover 1 and base panel 26
Middle part is fixed；Upright guide rail 1 is provided with the inside of the column of middle frame 28, the back of electric cylinder supporting plate 1 is provided with and upright guide rail
One 5 sliding blocks 1 coordinated, and the feed screw nut 1 coordinated with ball-screw 1, the front of electric cylinder supporting plate 1 is provided with
Electric cylinder 1 and weighing sensor 1；
Platform base 22 is provided with two loading portal frames, and the bottom of column stage casing 20 of portal frame is provided with travel mechanism 21, on column
The top of section 19 is fixed with crossbeam 12, and bottom is fixed by bolt and column stage casing 20, the top of the column epimere 19 of portal frame
Provided with motor 2 10, motor 2 10 is fixed by end cap 11 and crossbeam 12, the output shaft of motor 2 10 by shaft coupling 2 17 with
The upper end connection of leading screw 2 18, leading screw 2 18 are provided with bearing 2 41, fixed by bearing (ball) cover 2 36 and the top of column epimere 19,
The lower end of leading screw 2 18 is connected by bearing 3 42 with the bottom of column epimere 19；The feed screw nut 2 31 coordinated with leading screw 2 18 is solid
It is scheduled on the feed screw nut 2 32 of the connection of electric cylinder supporting plate 2 14, the back of electric cylinder supporting plate 2 14 is provided with and upright guide rail 2 16
The sliding block 2 15 of cooperation, the outside of electric cylinder supporting plate 2 14 are solid with the electric cylinder 2 13 provided with weighing sensor 2 30 by bolt
It is fixed；
The middle part of portal frame crossbeam 12 is provided with electric cylinder 39 and weighing sensor 3 29.
A kind of 2. wind-tunnel balance calibrating platform according to claim 1, it is characterised in that：The fixed loading frame passes through equal
The bolt and platform base 22 for being distributed in bottom are fixed.
A kind of 3. wind-tunnel balance calibrating platform according to claim 1, it is characterised in that：The rectangular base of base panel 26
Seat 25 is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331367.0U CN206683839U (en) | 2017-03-31 | 2017-03-31 | A kind of wind-tunnel balance calibrating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331367.0U CN206683839U (en) | 2017-03-31 | 2017-03-31 | A kind of wind-tunnel balance calibrating platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206683839U true CN206683839U (en) | 2017-11-28 |
Family
ID=60390544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720331367.0U Expired - Fee Related CN206683839U (en) | 2017-03-31 | 2017-03-31 | A kind of wind-tunnel balance calibrating platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206683839U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840595A (en) * | 2017-03-31 | 2017-06-13 | 西南交通大学 | A kind of wind-tunnel balance calibrating platform |
| CN109298311A (en) * | 2018-08-30 | 2019-02-01 | 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 strain balance detection circuit is degenerated and fault detection means |
| CN112326113A (en) * | 2020-10-14 | 2021-02-05 | 中山大学 | Force measuring balance calibration system and method |
-
2017
- 2017-03-31 CN CN201720331367.0U patent/CN206683839U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840595A (en) * | 2017-03-31 | 2017-06-13 | 西南交通大学 | A kind of wind-tunnel balance calibrating platform |
| CN109298311A (en) * | 2018-08-30 | 2019-02-01 | 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 strain balance detection circuit is degenerated and fault detection means |
| CN112326113A (en) * | 2020-10-14 | 2021-02-05 | 中山大学 | Force measuring balance calibration system and method |
| CN112326113B (en) * | 2020-10-14 | 2022-01-04 | 中山大学 | Force measuring balance calibration system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 Termination date: 20200331 |