CN105092142B - For measuring the device of not parallel nozzle kickboard mechanism - Google Patents
For measuring the device of not parallel nozzle kickboard mechanism Download PDFInfo
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- CN105092142B CN105092142B CN201510249837.4A CN201510249837A CN105092142B CN 105092142 B CN105092142 B CN 105092142B CN 201510249837 A CN201510249837 A CN 201510249837A CN 105092142 B CN105092142 B CN 105092142B
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Abstract
The invention discloses a kind of device for being used to measure not parallel nozzle kickboard mechanism, including left socle, right support, upper bracket has been horizontally set with left socle, right support；Left socle installs a deformable oval air bag for cylindrical stent and in centre position, and air-bearing shell is fixed in the both ends end of upper bracket, and the fixed kickboard in upper bracket middle part, the lower part of right support is encased inside the slim gasket of one piece of replaceable known dimensions；The lower section of kickboard is equipped with nozzle head, and nozzle head is equipped with two symmetrical test points of A, B, and A points pressure tap, B point pressure taps are respectively equipped with two test point of A, B, and the top of kickboard is equipped with difference gauge, the Michael's angle-measuring equipment of the pressure value for being used to measure air supporting hole.The present invention can be analyzed when not parallel situation between nozzle and kickboard plane occurs in existing single hole spray nozzle of the gas supply kickboard mechanism, and the relation between air-film thickness and pressure, can preferably provide its good operating stability and measurement accuracy.
Description
Technical field
The invention mainly relates to force snesor field, more particularly to a kind of dress for being used to measure not parallel nozzle kickboard mechanism
Put.
Background technology
Document ZL200810019550.2 proposes a kind of nozzle kickboard mechanism with single-hole nozzle structure.Nozzle kickboard
From the interference with kickboard surface parallel direction active force when mechanism is used to measure perpendicular to the size of kickboard surface force, but make
During, it can not ensure and remain parallel between nozzle and kickboard.When run-off the straight between nozzle and kickboard, small angle is produced
The inclination angle of degree, causes Surveying Actual Precision unsatisfactory.Found by theoretical and experimental study, when being produced between nozzle and kickboard
During inclination angle, gas flow rate and pressure can skewness in air film flow field between nozzle and kickboard.With single-hole nozzle structure
In nozzle kickboard mechanism, gas is discharged into air again after being flowed through from the aperture on nozzle between nozzle and kickboard, if nozzle is with floating
Parallel between plate, then it is identical to flow through the gas pressure of each point in theory, when be between nozzle and kickboard it is not parallel,
It is then inconsistent along the air-film thickness of each point of airflow direction, cause each gas pressure difference of measurement, have impact on measurement
As a result accuracy.
But in practical applications, situation not parallel between nozzle and kickboard can not be avoided completely, it is to be understood that uneven
The actual conditions in air film flow field between nozzle and kickboard under row situation, in the nozzle kickboard mechanism of existing single-hole nozzle structure
In can not realize.
The content of the invention
The defects of the object of the invention is exactly to make up prior art, there is provided one kind is used to measure not parallel nozzle kickboard machine
The device of structure, first understands when not parallel between nozzle and kickboard, the actual pressure distribution of gas flowfield, to improve measurement structure
Accuracy, obtain a more reasonably experimental result；So as to utilize the device, can be gone out by different experimental analyses when spray
Nozzle produces different degrees of inclination with kickboard plane in mouth kickboard mechanism, which can be produced on the distribution of pressure influences, nozzle
When being tilted a certain angle between kickboard plane, each point changes and the difference of generation with air-film thickness.
The present invention is achieved by the following technical solutions：
A kind of device for being used to measure not parallel nozzle kickboard mechanism, it is characterised in that：It is left including left socle, right support
Upper bracket has been horizontally set with stent, right support；Left socle is for cylindrical stent and deformable ellipse in centre position installation one
Round balloon, the both ends end of upper bracket fix air-bearing shell, kickboard, the lower part of right support are fixed in the middle part of upper bracket
It is encased inside the slim gasket of one piece of replaceable known dimensions；The lower section of kickboard is equipped with nozzle head, and it is right that nozzle head is equipped with A, B two
The test point of title, is respectively equipped with A points pressure tap, B point pressure taps at two test point of A, B, on A points pressure tap, B point pressure taps minute
Not She You A points pressure pocket, B point pressure pockets, A points pressure pocket, B point pressure pockets connect with a common inlet chamber, A point pressure measurement
A points manometer, B point manometers are respectively equipped with hole, B point pressure taps；The both sides of air-bearing shell are respectively equipped with air supporting hole, float
The top of plate is equipped with difference gauge, the Michael's angle-measuring equipment for the pressure value for being used to measure air supporting hole, and Michael's angle-measuring equipment includes
There is laser, spectroscope, plane mirror one, spectroscope, the reflected light of plane mirror one are equipped with successively in the emergent light light path of laser
A plane mirror two is respectively equipped with light path, two plane mirrors two are each provided in kickboard, and the reflected light of two plane mirrors two is by photoelectricity
Receiver receives, and difference gauge, photelectric receiver and computer connect.
It is an advantage of the invention that：
The present invention can be analyzed when existing single hole spray nozzle of the gas supply kickboard mechanism occurs between nozzle and kickboard plane not
During parallel situation, the relation between air-film thickness and pressure, can preferably provide its good operating stability and measurement accuracy.
Brief description of the drawings
Fig. 1 is the structure diagram of not parallel nozzle kickboard mechanism.
Fig. 2 is the overall structure diagram of the present invention.
Fig. 3 is the close-up schematic view of the present invention.
Figure label：1 is nozzle head, and 2 be inlet chamber, and 3 be B point pressure taps, and 4 be B point pressure pockets, and 5 be A point pressure taps,
6 be A point pressure pockets, and 7 be air-bearing shell, and 8 be kickboard, and 9 be Michael's angle-measuring equipment, and 10 be difference gauge, and 11 be left socle,
12 be upper bracket, and 13 be right support, and 14 be A point manometers, and 15 be B point manometers, 16 slim gaskets, and 17 be laser, 18
It is spectroscope, 19 be plane mirror one, and 20 be optical receiver, and 21 be computer, and 22 be plane mirror two, and 23 be oval air bag, 24
It is air supporting hole.
Embodiment
As shown in Figs. 1-3, a kind of device for being used to measure not parallel nozzle kickboard mechanism, including left socle 11, right support
13, upper bracket 12 has been horizontally set with left socle 11, right support 13；Left socle 11 installs one for cylindrical stent and in centre position
Air-bearing shell 7 is fixed in a deformable oval air bag 23, the both ends end of upper bracket 12, and the middle part of upper bracket 12 is solid
Determine kickboard 8, the lower part of right support 13 is encased inside the slim gasket 16 of one piece of replaceable known dimensions；The lower section of kickboard 8 is equipped with spray
Mouth 1, nozzle head 1 are equipped with two symmetrical test points of A, B, A points pressure tap 5 are respectively equipped with two test point of A, B, B points are surveyed
Hole 3 is pressed, is respectively equipped with A points pressure pocket 6, B points pressure pocket 4 on A points pressure tap 5, B points pressure tap 3, A points pressure pocket 6, B points are held
Pressure chamber 4 is connected with a common inlet chamber 2, A points manometer 14 is respectively equipped with A points pressure tap 5, B points pressure tap 3, B points are surveyed
Pressure meter 15；The both sides of air-bearing shell 7 are respectively equipped with air supporting hole 24, and the top of kickboard 8, which is equipped with, to be used to measure air supporting hole 24
Difference gauge 10, the Michael's angle-measuring equipment of pressure value, Michael's angle-measuring equipment include laser 17, the emergent light of laser 17
In light path successively be equipped with spectroscope 18, plane mirror 1, spectroscope 18, plane mirror 1 reflected light light path on be respectively equipped with one
A plane mirror 2 22, two plane mirrors 2 22 are each provided in kickboard 8, and the reflected light of two plane mirrors 2 22 is connect by photelectric receiver 20
Receive, difference gauge 10, photelectric receiver 20 are connected with computer 21.
The principle of the present invention is：
Such as Fig. 1, there are two different pressure taps of A points and B points on nozzle head 1, have a common inlet chamber 2, protects at 2 points
2 admission pressures of barrier are consistent, the pressure value of B points pressure tap 3 and 2 points of the measurement at the same time of A points pressure tap 5.7 He of air-bearing shell
The rotation angle θ together of kickboard 8, is presented nozzle and the not parallel state of kickboard plane.Air-bearing shell 7 provides side to kickboard 8
Supported to power, when kickboard run-off the straight situation, stressing conditions change, and can ensure the stabilization of kickboard.Michael's angle-measuring equipment leads to
A series of refraction light are crossed, reflected light shines the plane mirror installed in kickboard surface, to measure 8 rotating angle, θ of kickboard.The dress
Small angle change can accurately be measured by putting, and can meet the small angle measurement of the present invention.Difference gauge 10 is for surveying
Measure the pressure differential in air-bearing shell both sides air supporting hole, it will be appreciated that kickboard tilts the force-bearing situation produced.Pass through angular surveying
θ angles are obtained, 2 points of air-film thickness can be calculated indirectly, then 2 points of gas is obtained by B points pressure tap 3 and A points pressure tap 5
Pressure value, can analyze 2 relations between air-film thickness and pressure.
Such as Fig. 2, left socle 11 is cylindrical stent, and an oval air bag 23 is installed in centre position and plays deformation work
With being that air bag can produce stretching action when right support 13 is elevated, the globality of structure will not be destroyed, can also keep whole
The measurement stability of device.Upper bracket 12 plays the role of fixed kickboard 8 and air-bearing shell 7, ensures kickboard and air supporting
Bearing case rotates equal angular together, remains parastate.Right support 13 then plays the role of providing the anglec of rotation, such as schemes
Shown in 3, the slim gasket 16 of one piece of known dimensions is encased inside in right support lower part, can replace various sizes of slim gasket with up to
To different rotation angles.
Slim gasket 16 is encased inside in the lower part of right support 13, lifts upper bracket 12, drives kickboard 8 and air-bearing shell
7 rotate by a certain angle θ.Small angle, θ is measured by Michael's angle-measuring equipment of connection, A, 2 points of B is obtained by calculation
Air-film thickness hA, hB.The manometer 14 of A points and the manometer 15 of B points measure A, the atmospheric pressure value P of 2 points of B at the same timeA, PB.It is logical
A, the air-film thickness h of 2 points of B can be drawn by crossing analysisA, hBAnd the atmospheric pressure value P of 2 points of A, BA, PBBetween dependency relation, with
Measurement error this should be kickboard run-off the straight when can eliminate normal measurement caused by, reaches the measurement accuracy of higher.
Claims (1)
- A kind of 1. device for being used to measure not parallel nozzle kickboard mechanism, it is characterised in that：Including left socle, right support, left branch Upper bracket has been horizontally set with frame, right support；Left socle installs a deformable ellipse for cylindrical stent and in centre position Air-bearing shell one and air-bearing shell two, upper bracket middle part are fixed in shape air bag, the both ends end of upper bracket respectively Fixed kickboard, the lower part of right support is encased inside the slim gasket of one piece of replaceable known dimensions；The lower section of kickboard is equipped with nozzle head, Nozzle head is equipped with two symmetrical test points of A, B, and A points pressure tap, B point pressure taps, A points are respectively equipped with two test point of A, B It is respectively equipped with A points pressure pocket, B point pressure pockets on pressure tap, B point pressure taps, A points pressure pocket, B point pressure pockets and one are common Inlet chamber connects, and A points manometer, B point manometers are respectively equipped with A points pressure tap, B point pressure taps；One He of air-bearing shell Air-bearing shell two is equipped with air supporting hole, and the top of kickboard is equipped with the difference gauge for the pressure value for being used to measure air supporting hole, mikey That angle-measuring equipment, Michael's angle-measuring equipment include laser, spectroscope, plane are equipped with successively in the emergent light light path of laser Mirror one, spectroscope, plane mirror one reflected light light path on be respectively equipped with a plane mirror two, two plane mirrors two are each provided at kickboard On, the reflected light of two plane mirrors two is received by photelectric receiver, and difference gauge, photelectric receiver and computer connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249837.4A CN105092142B (en) | 2015-05-15 | 2015-05-15 | For measuring the device of not parallel nozzle kickboard mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249837.4A CN105092142B (en) | 2015-05-15 | 2015-05-15 | For measuring the device of not parallel nozzle kickboard mechanism |
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| Publication Number | Publication Date |
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| CN105092142A CN105092142A (en) | 2015-11-25 |
| CN105092142B true CN105092142B (en) | 2018-05-11 |
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| CN201510249837.4A Active CN105092142B (en) | 2015-05-15 | 2015-05-15 | For measuring the device of not parallel nozzle kickboard mechanism |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644182B (en) * | 2016-11-11 | 2018-11-23 | 合肥工业大学 | Air flotation force measuring device with negative pressure trough |
| CN106556481B (en) * | 2016-11-11 | 2019-01-11 | 合肥工业大学 | floating nozzle device |
| CN113108715B (en) * | 2021-04-13 | 2024-01-23 | 南京中安半导体设备有限责任公司 | Suspension measuring device and air floating chuck |
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| CN201163224Y (en) * | 2008-01-24 | 2008-12-10 | 合肥工业大学 | Air-floating type multidimensional sensor |
| CN201163225Y (en) * | 2008-03-07 | 2008-12-10 | 合肥工业大学 | Air-floating type measuring system for force and displacement amount |
| CN102128703A (en) * | 2010-12-23 | 2011-07-20 | 合肥工业大学 | Calibration and loading method of air-floating multidimensional force transducer |
| JP2011202545A (en) * | 2010-03-24 | 2011-10-13 | Denso Corp | Fuel injection device |
| CN102636295A (en) * | 2012-04-25 | 2012-08-15 | 合肥工业大学 | Anti-coupling air-flotation force measuring unit |
| CN102636294A (en) * | 2012-04-25 | 2012-08-15 | 合肥工业大学 | Isolated coupling air-floatation force measurement nozzle |
| CN103398813A (en) * | 2013-07-25 | 2013-11-20 | 合肥工业大学 | Porous nozzle floating plate mechanism used for measuring force |
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2015
- 2015-05-15 CN CN201510249837.4A patent/CN105092142B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201163224Y (en) * | 2008-01-24 | 2008-12-10 | 合肥工业大学 | Air-floating type multidimensional sensor |
| CN201163225Y (en) * | 2008-03-07 | 2008-12-10 | 合肥工业大学 | Air-floating type measuring system for force and displacement amount |
| JP2011202545A (en) * | 2010-03-24 | 2011-10-13 | Denso Corp | Fuel injection device |
| CN102128703A (en) * | 2010-12-23 | 2011-07-20 | 合肥工业大学 | Calibration and loading method of air-floating multidimensional force transducer |
| CN102636295A (en) * | 2012-04-25 | 2012-08-15 | 合肥工业大学 | Anti-coupling air-flotation force measuring unit |
| CN102636294A (en) * | 2012-04-25 | 2012-08-15 | 合肥工业大学 | Isolated coupling air-floatation force measurement nozzle |
| CN103398813A (en) * | 2013-07-25 | 2013-11-20 | 合肥工业大学 | Porous nozzle floating plate mechanism used for measuring force |
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| CN105092142A (en) | 2015-11-25 |
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Effective date of registration: 20201229 Address after: 245000 No.50, Meilin Avenue, Huangshan Economic Development Zone, Huangshan City, Anhui Province Patentee after: Huangshan Development Investment Group Co.,Ltd. Address before: 230009 No. 193, Tunxi Road, Hefei, Anhui Patentee before: Hefei University of Technology |