CN103712769B - Wind-tunnel field of direction traverse measuring device on a large scale - Google Patents
Wind-tunnel field of direction traverse measuring device on a large scale Download PDFInfo
- Publication number
- CN103712769B CN103712769B CN201410019722.1A CN201410019722A CN103712769B CN 103712769 B CN103712769 B CN 103712769B CN 201410019722 A CN201410019722 A CN 201410019722A CN 103712769 B CN103712769 B CN 103712769B
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- wind
- tunnel
- field
- large scale
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Abstract
The present invention relates to a kind of wind-tunnel field of direction traverse measuring device on a large scale.Wind-tunnel needs to measure the field of direction of test section before being taken into use.Will on the multiple cross section of test section at certain intervals density dynamic pressure field and the field of direction of designated space point (Flow Field in Wind Tunnel coordinate points) are measured, owing to measure dot number is many, measurement scope is big, if using artificial mobile and fixation measuring rake method to measure completely, will take a substantial amount of time, present invention composition includes: X is to mechanism, Y-direction mechanism and Z-direction mechanism, it is characterized in that: upper and lower is respectively arranged with a set of described Z-direction mechanism and is arranged on X on the slide block of the two of mechanism uniaxially slide rails (8), described Y-direction mechanism is arranged on X in mounting seat (43) by mounting seat (13), described Y-direction mechanism is arranged on upper and lower two and overlaps between described Z-direction mechanism.The present invention is applied to the measurement of the wind-tunnel field of direction on a large scale.
Description
Technical field:
The present invention relates to a kind of wind-tunnel field of direction traverse measuring device on a large scale.
Background technology:
Wind-tunnel needs to measure the field of direction of test section before being taken into use, will on the multiple cross section of test section at certain intervals density the designated space point i.e. dynamic pressure field of Flow Field in Wind Tunnel coordinate points and the field of direction are measured, owing to measure dot number is many, measurement scope is big, if using artificial mobile and fixation measuring rake method to measure completely, will take a substantial amount of time, reduce the number of times of open test chamber as far as possible, therefore, in order to improve measurement efficiency, and reduce labor intensity to a certain extent, Design and Machining in certain wind-tunnel is needed to have the measurement apparatus of the most automatically and manually function, this device can reduce the artificial mobile and number of times of fixation measuring equipment, improve conventional efficient.
This set large tunnel big stroke axial reciprocating movable measuring device is remained silent the field of direction in test section flow field for measuring certain large tunnel, the advantage of big stroke axial reciprocating movable measuring device is that measurable scope is bigger, the measurement of each cross section and position can be realized, pressure-measuring pipe is arranged on the leading edge of big stroke axial reciprocating movable measuring device, the interference of pressure-measuring pipe is to maintain constant by this device, the interference of pressure-measuring pipe is reduced to minimum by the equipment realized in wind-tunnel, shortcoming is that this device is more complicated, physical dimension span is bigger, the deflection deformation of device own is bigger, and it is low to measure efficiency, cost is higher.
Summary of the invention:
It is an object of the present invention to provide a kind of wind-tunnel field of direction traverse measuring device on a large scale.
The purpose of this reality invention is achieved in that
A kind of wind-tunnel field of direction traverse measuring device on a large scale, its composition includes
: X
To mechanism,
Y
To mechanism and
Z
To mechanism, upper and lower is respectively arranged with a set of described
Z
It is arranged on to mechanism
X
On the slide block of the two of mechanism single axis slide rails, described
Y
It is arranged on by mounting seat to mechanism
X
In mounting seat, described
Y
It is arranged on upper and lower two to mechanism and overlaps described
Z
Between mechanism, described
Z
It is that motor drives worm screw to drive worm gear to rotate to the version of mechanism, a little gear is installed in the side of worm gear, described little gear engages with the tooth bar being fixed on left single axis slide rail or right single axis slide rail, is mounted laterally straight line guide rail at tooth bar, and upper and lower two is overlapped
Z
Identical to mechanism structure form, upper and lower two is overlapped
Z
To tooth bar and the direction of line slideway of mechanism structure, the most symmetrical.
Described a kind of wind-tunnel field of direction traverse measuring device on a large scale, described
Y
Edge is used to mechanism
X
Leading screw parallel to each other and feed rod form is overlapped to two, wherein along airflow direction leading screw after feed rod, between the two parallel leading screws of set and feed rod, pressure measurement rake structure is installed, pressure measurement includes in harrowing that electric system, described electric system connect the outer gear engagement of little gear, described little gear and screw gear, described screw gear outside is gear, inside is screw, the inside screw of described screw gear moves up and down along leading screw, installed in front at described leading screw has feed rod, described
Y
Respectively it is reserved with to the top and the bottom of mechanism
5mm
Gap, described
Y
To mechanism, there is locking nut.
A kind of measuring method utilizing wind-tunnel field of direction traverse measuring device on a large scale, first on the upper and lower wall edge of test section
X
To installing each two parallel single axis slide rails, when the weight between two slide rails causes slide block eccentric, equipment is made to slide more freely,
X
Be fitted with under single axis slide rail can trace adjust the depth of parallelism wedge；Second step: wind-tunnel field of direction traverse measuring device on a large scale is arranged in wind-tunnel,
X
Measure to by the form of artificial movement,
Y
Xiang He
Z
To by the automatic measurement in the single cross section of motor control realization；3rd step: edge in wind-tunnel
X
、
Y
With
Z
In three directions, optional position moves back and forth pressure-measuring pipe, it is achieved the measurement of the field of direction is surveyed in school, flow field on a large scale.
Beneficial effect:
1.
All devices is all arranged in wind-tunnel by the present invention,
X
To the form by artificial movement,
Y
With
Z
To by the automatic measurement in the single cross section of motor control realization, causing the interference to pressure-measuring pipe measured value to be reduced to artificial repeatedly installation equipment minimum, and each cross section has only to install once, pressure-measuring pipe can be in wind-tunnel
X
、
Y
With
Z
In three directions, optional position moves back and forth, and can realize school, large-scale flow field and survey the measurement of the field of direction.
The pressure-measuring pipe of the present invention is arranged on
Y
In mechanism, leading screw, feed rod, pressure measurement rake and pressure-measuring pipe is only remained with in the range of wind-tunnel school is surveyed, the interference to pressure-measuring pipe of the minimum equipment that decreases, reduce artificial equipment of repeatedly installing and cause the interference to pressure-measuring pipe measured value, each cross section only need to be installed once, can effectively realize school, large-scale flow field and survey the measurement of the field of direction.
The present invention is to have automatically and manually function, decreases the artificial mobile and installation number of times of fixation measuring, decreases the number of times of open wind tunnel test, improve and measure efficiency, and reduce labor intensity to a certain extent.
The present invention has the advantage that measurement scope is big, the measurement of each cross section and position can be realized, pressure-measuring pipe is arranged on the leading edge of big stroke axial reciprocating movable measuring device, and the interference of pressure-measuring pipe is to maintain constant by this invention, it is achieved the interference of pressure-measuring pipe is reduced to minimum by the equipment in wind-tunnel.
Accompanying drawing illustrates:
Accompanying drawing
1
It it is the structural representation of the present invention.
Accompanying drawing
2
For accompanying drawing
1
Left view.
Accompanying drawing
3
For accompanying drawing
1
's
A-A
Profile.
Accompanying drawing
4
For accompanying drawing
1
Top view.
Accompanying drawing
5
For accompanying drawing
3
's
A-A
Profile.
Accompanying drawing
6
For accompanying drawing
3
's
B-B
Profile.
Accompanying drawing
7
For accompanying drawing
1
's
B-B
Profile.
Accompanying drawing
8
For accompanying drawing
7
's
A-A
Profile.
Accompanying drawing
9
For accompanying drawing
7
's
B-B
Profile.
Detailed description of the invention:
Embodiment
1
:
A kind of wind-tunnel field of direction traverse measuring device on a large scale, its composition includes
: X
To mechanism,
Y
To mechanism and
Z
To mechanism, the most each a set of described
Z
It is arranged on to mechanism
X
To the two of mechanism single axis slide rails
8
Slide block on, described
Y
Mounting seat is passed through to mechanism
13
It is arranged on
X
To mounting seat
43
On, described
Y
It is arranged on described in upper and lower two sets to mechanism
Z
Between mechanism.
Embodiment
2
:
According to embodiment
1
Described a kind of wind-tunnel field of direction traverse measuring device on a large scale, described
Z
Being that motor drives worm screw to drive worm gear to rotate to the version of mechanism, a little gear is installed in the side of worm gear, and little gear moves along the tooth bar being fixed on left and right single axis slide rail and then realizes
Z
To the movement of mechanism, being mounted laterally straight line guide rail at tooth bar, line slideway can play the effect guiding and bearing tangential force, upper and lower two sets
Z
Identical to mechanism structure form, simply tooth bar is the most relative with the direction of line slideway.
Embodiment
3
:
According to embodiment
1
Or
2
Described a kind of wind-tunnel field of direction traverse measuring device on a large scale, described
Y
Edge is used to mechanism
X
Leading screw parallel to each other and feed rod form is overlapped to two, wherein along airflow direction leading screw after feed rod, between the two parallel leading screws of set and feed rod, pressure measurement rake structure is installed, electric system is included in pressure measurement rake, little gear, screw gear, leading screw guide holder, wherein screw gear is that one is outside for gear, inside is the new structure of screw, concrete actuation step is that electric system driving pinion rotates, the outer gear engagement of little gear and screw gear, the inside screw taking screw gear to moves up and down along leading screw, installed in front at leading screw has feed rod, the effect one of feed rod is the effect that can play rectification, two is the effect playing guiding, due to whole mechanism edge
Y
To gravity and mismachining tolerance can cause mechanism edge
Y
To scale error, so
Y
Respectively it is reserved with to the top and the bottom of mechanism
5mm
Gap, can be with the adjustment of trace
Y
Lock with the locking nut carried after mechanism, adjustment.
Embodiment
4
:
According to embodiment
1
Or
2
Or
3
Described a kind of wind-tunnel field of direction traverse measuring device on a large scale, described
X
To the top base of mechanism
7
It is arranged on the upper wall of wind-tunnel, edge
X
To being arranged in parallel two, single axis slide rail
8
It is arranged on top base, for preventing the not parallel of wall, under top base, wedge is installed
6
, can be with the depth of parallelism of two single axis slide rails of adjustment of trace, get on the right track mounting seat
9
It is arranged on the slide block of single axis slide rail,
X
Upwards mounting seat
10
Install two and parallel get on the right track in mounting seat, it is achieved field of direction edge
X
To movement,
X
The most mobile form is used to mechanism,
X
By upper mounting seat behind mechanism totally five positions, every position
3
Pass through screw
4
It is fixed on upper wall surface, for preventing
X
Upwards mounting seat is collapsed waist, in upper mounting seat and
X
Upwards between mounting seat, wedge is installed
2
With upper wedge
5
, by adjusting screw
1
Adjust.
Embodiment
5
:
According to embodiment
1
Or
2
Or
3
Or
4
Described a kind of wind-tunnel field of direction traverse measuring device on a large scale, described
Y
To the pressure-measuring pipe of mechanism
32
It is arranged on front gusset piece
20
On, the leading edge at pressure measurement rake installs leading edge cover plate by front gusset piece
21
, by trailing edge cover plate
15
Gusset piece after installation
16
, rectified action can be played, be fixed on motor mount
31
Drive system
18
Drive little gear
29
Rotate, in the both sides of little gear, angular contact ball bearing is installed
28
, two set angular contact ball bearings are by two bearing mounting bases
26
Fixing, pass through bearing (ball) cover respectively
27
And bearing (ball) cover
30
Spacing, little gear
29
And screw gear
25
Engagement, it is achieved pressure measurement is harrowed along leading screw
24
Move up and down, the both sides up and down of screw gear arrange two set thrust ball bearings
23
, thrust ball bearing passes through bearing (ball) cover
22
Fixing, a set of leading screw guide holder it is provided with in the upside of screw gear
17
, leading screw guide holder can play the effect of guiding.At leading screw
24
Edge
X
The a set of smooth cylinder of the parallel installation of leading edge in direction
19
, it is ensured that air-flow, along the most suitable Surface runoff, does not affect the measurement of pressure-measuring pipe.
Embodiment
6
:
A kind of measuring method utilizing wind-tunnel field of direction traverse measuring device on a large scale, the first step: on the upper and lower wall edge of test section
X
To installing each two parallel single axis slide rails, when the weight between two slide rails causes slide block eccentric, equipment is made to slide more freely,
X
Be fitted with under single axis slide rail can trace adjust the depth of parallelism wedge；Second step: wind-tunnel field of direction traverse measuring device on a large scale is arranged in wind-tunnel,
X
Measure to by the form of artificial movement,
Y
Xiang He
Z
To by the automatic measurement in the single cross section of motor control realization；3rd step: edge in wind-tunnel
X
、
Y
With
Z
In three directions, optional position moves back and forth pressure-measuring pipe, it is achieved the measurement of the field of direction is surveyed in school, flow field on a large scale.
Claims (3)
1.A kind of wind-tunnel field of direction traverse measuring device on a large scale, its composition includes : X To mechanism, Y To mechanism and Z To mechanism, it is characterized in that: upper and lower is respectively arranged with a set of described Z It is arranged on to mechanism X On the slide block of the two of mechanism single axis slide rails, described Y It is arranged on by mounting seat to mechanism X In mounting seat, described Y It is arranged on upper and lower two to mechanism and overlaps described Z Between mechanism, described Z It is that motor drives worm screw to drive worm gear to rotate to the version of mechanism, a little gear is installed in the side of worm gear, described little gear engages with the tooth bar being fixed on left single axis slide rail or right single axis slide rail, is mounted laterally straight line guide rail at tooth bar, and upper and lower two is overlapped Z Identical to mechanism structure form, upper and lower two is overlapped Z To tooth bar and the direction of line slideway of mechanism structure, the most symmetrical.
2.According to claim 1 Described a kind of wind-tunnel field of direction traverse measuring device on a large scale, is characterized in that: described Y Edge is used to mechanism X Leading screw parallel to each other and feed rod form is overlapped to two, wherein along airflow direction leading screw after feed rod, between the two parallel leading screws of set and feed rod, pressure measurement rake structure is installed, pressure measurement includes in harrowing that electric system, described electric system connect the outer gear engagement of little gear, described little gear and screw gear, described screw gear outside is gear, inside is screw, the inside screw of described screw gear moves up and down along leading screw, installed in front at described leading screw has feed rod, described Y Respectively it is reserved with to the top and the bottom of mechanism 5mm Gap, described Y To mechanism, there is locking nut.
3.A kind of measuring method utilizing wind-tunnel field of direction traverse measuring device on a large scale, is characterized in that: first on the upper and lower wall edge of test section X To installing each two parallel single axis slide rails, when the weight between two slide rails causes slide block eccentric, equipment is made to slide more freely, X Be fitted with under single axis slide rail can trace adjust the depth of parallelism wedge；Second step: wind-tunnel field of direction traverse measuring device on a large scale is arranged in wind-tunnel, X Measure to by the form of artificial movement, Y Xiang He Z To by the automatic measurement in the single cross section of motor control realization；3rd step: edge in wind-tunnel X 、 Y With Z In three directions, optional position moves back and forth pressure-measuring pipe, it is achieved the measurement of the field of direction is surveyed in school, flow field on a large scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019722.1A CN103712769B (en) | 2014-01-17 | 2014-01-17 | Wind-tunnel field of direction traverse measuring device on a large scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019722.1A CN103712769B (en) | 2014-01-17 | 2014-01-17 | Wind-tunnel field of direction traverse measuring device on a large scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103712769A CN103712769A (en) | 2014-04-09 |
| CN103712769B true CN103712769B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410019722.1A Expired - Fee Related CN103712769B (en) | 2014-01-17 | 2014-01-17 | Wind-tunnel field of direction traverse measuring device on a large scale |
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| CN104390759B (en) * | 2014-10-17 | 2017-04-19 | 北京航天益森风洞工程技术有限公司 | Flow field calibration apparatus |
| CN104359649A (en) * | 2014-10-17 | 2015-02-18 | 北京航天益森风洞工程技术有限公司 | Movable correcting device for common hypersonic-velocity wind tunnel |
| CN104614148B (en) * | 2015-01-30 | 2017-08-04 | 长沙理工大学 | A kind of mobile test device applied to relief model wind field characteristic wind tunnel test |
| CN104897360A (en) * | 2015-06-10 | 2015-09-09 | 中国空气动力研究与发展中心低速空气动力研究所 | Wireless measuring method for direction field |
| CN105181291A (en) * | 2015-09-06 | 2015-12-23 | 中国科学院力学研究所 | Flow field test apparatus for hypersonic propulsion wind tunnel |
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| CN108332938B (en) * | 2018-05-17 | 2024-04-19 | 中国航空工业集团公司沈阳空气动力研究所 | Two-degree-of-freedom movement measuring mechanism of continuous wind tunnel |
| CN108593251B (en) * | 2018-07-03 | 2023-10-17 | 中国空气动力研究与发展中心高速空气动力研究所 | Probe supporting and moving measuring device for measuring flow of wall area near wall of groove |
| CN111504597B (en) * | 2020-04-29 | 2022-03-11 | 中国汽车工程研究院股份有限公司 | Asynchronous measurement method and system for correlation between force and flow field |
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| CN113155401B (en) * | 2021-02-24 | 2022-12-20 | 中国空气动力研究与发展中心空天技术研究所 | Rotatable linear flow measuring device and measuring method |
| CN113899524B (en) * | 2021-09-30 | 2024-03-12 | 中国航空工业集团公司哈尔滨空气动力研究所 | Gust flow field calibration device |
| CN114486156A (en) * | 2021-12-28 | 2022-05-13 | 中国航天空气动力技术研究院 | Environmental wind tunnel flow field calibration and measurement system |
| CN114112290A (en) * | 2022-01-26 | 2022-03-01 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Flow field displacement measuring device applied to transonic wind tunnel |
| CN115541172B (en) * | 2022-12-02 | 2023-02-03 | 中国航空工业集团公司沈阳空气动力研究所 | Continuous measurement device for ice wind tunnel cloud and mist field |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08189876A (en) * | 1995-01-09 | 1996-07-23 | Nippon Kagaku Kogyo Kk | Traverse device |
| JP3530335B2 (en) * | 1997-03-10 | 2004-05-24 | 三菱重工業株式会社 | Traverse device having sound source relative position correction function |
| CN102175418B (en) * | 2010-11-30 | 2013-04-10 | 哈尔滨工业大学 | Decoupling-type free vibration suspending structure of bridge segment model |
| CN102607795A (en) * | 2012-03-19 | 2012-07-25 | 西北工业大学 | Three-dimensional movement test device for wind tunnel |
| CN103018000B (en) * | 2012-12-31 | 2015-07-29 | 中国人民解放军国防科学技术大学 | Wind tunnel three-degree-of-freemodel model posture adjustment device |
-
2014
- 2014-01-17 CN CN201410019722.1A patent/CN103712769B/en not_active Expired - Fee Related
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