CN204286304U - A kind of axisymmetric nozzle throat diameter survey instrument - Google Patents
A kind of axisymmetric nozzle throat diameter survey instrument Download PDFInfo
- Publication number
- CN204286304U CN204286304U CN201420734160.4U CN201420734160U CN204286304U CN 204286304 U CN204286304 U CN 204286304U CN 201420734160 U CN201420734160 U CN 201420734160U CN 204286304 U CN204286304 U CN 204286304U
- Authority
- CN
- China
- Prior art keywords
- bar
- nut
- nozzle throat
- diameter
- survey instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a kind of axisymmetric nozzle throat diameter survey instrument, and comprise upper plate, lower roof plate and telescoping mechanism, wherein telescoping mechanism is made up of bar, cylindrical shell, nut, spring.Under the effect of telescoping mechanism, the height of described survey instrument can change with the change of surveyed axisymmetric nozzle throat diameter, and reads to obtain throat diameter by the scale on bar.The utility model has the advantage of: measuring process automaticity is high, and measurement result accuracy is high.The utility model can be applied to the measurement of throat diameter in axisymmetric nozzle assembling and setting and installation use procedure, also can be applicable to aeromotor or the airspace engine of similar functions.The utility model has the advantage of: measuring process automaticity is high, and measurement result accuracy is high, applied widely.
Description
Technical field
The utility model belongs to aeromotor Nozzle Design field, is related specifically to the measurement of axisymmetric nozzle throat diameter.
Background technology
Existing axisymmetric nozzle throat diameter survey instrument is spiral expanding chi, is manually to rotate measuring tool is extended or shortens, thus records the diameter dimension of nozzle throat.The power provided due to manual loading is less, cannot effectively eliminating machine idle motion be on the impact of throat diameter, and the power that can provide during different human users is not of uniform size, causes measuring accuracy lower, test result poor repeatability, brings adverse influence to the debugging efforts of jet pipe.
Utility model content
The purpose of this utility model is to provide a kind of axisymmetric nozzle throat diameter survey instrument, for the measurement of throat diameter in axisymmetric nozzle assembling and setting and installation use procedure.
The technical solution of the utility model is: a kind of axisymmetric nozzle throat diameter survey instrument, and comprise 1 upper plate, 1,1 lower roof plate 2 and 1 and overlap telescoping mechanism, wherein telescoping mechanism is made up of bar 3, cylindrical shell 4, nut 5, spring 6.Specific features is: the upper surface of upper plate 1 is arc, and its shape is identical with nozzle throat place profile; The lower surface of lower roof plate 2 is arc, and its shape is identical with nozzle throat place profile; Bar 3 one end and upper plate 1 are fastenedly connected, and the other end is provided with protruding cylinder C, and this end loads in cylindrical shell 4, and form sliding pair, its outer cylinder D is marked with scale, is used to indicate measured nozzle throat height; Have an axial blind hole in cylindrical shell 4, blind end and the lower roof plate 2 of cylindrical shell 4 are fastenedly connected, and openend is provided with external thread, for hold-down nut 5; Nut 5 is cylindrical, and one end has hole E, and the other end is provided with the notch F of mounting nuts, and nut 5, for spacing to bar 3, prevents it from deviating from cylindrical shell 4; Spring 6 is arranged in sleeve 4, the end contact of one end and bar 3, the end contact of the other end and cylindrical shell 4 endoporus, and spring 6 and bar 3 interact, and shrinks under force or extends, thus changes the height of measuring tool.Wherein:
1), in telescoping mechanism, the quantity of bar 3, cylindrical shell 4, nut 5 and spring 6 is 1;
2) diameter of the cylinder C of bar 3 is greater than the diameter of the hole E of nut 5, and the diameter of the hole E of nut 5 is greater than the diameter of the cylinder D of bar 3;
3) on nut 5, the quantity of notch F is 2 ~ 10;
4) top board 1 is equal with lower roof plate 2 length, by survey axisymmetric nozzle venturi place adjustment sheet width 1/2 ~ 2/3.
The principle of work of described axisymmetric nozzle throat diameter survey instrument is: survey instrument is compressed to suitable size by operator's force, be placed into correct position on nozzle throat, under telescoping mechanism effect, survey instrument can be fixed on axisymmetric nozzle venturi place, and corresponding flexible with the folding and unfolding of nozzle throat, from the scale bar 3 and readable throat diameter.
The utility model has the advantage of: measuring process automaticity is high, and measurement result accuracy is high, applied widely.
Accompanying drawing explanation
Fig. 1 is axisymmetric nozzle throat diameter survey instrument schematic diagram;
Fig. 2 is bar 3 schematic diagram;
Fig. 3 is nut 5 schematic diagram;
Fig. 4 is the scheme of installation of bar 3, cylindrical shell 4, nut 5 and spring 6;
A-handle
B-handle
The cylinder of C-bar 3
The cylinder of D-bar 3
Hole on E-nut 5
Notch on F-nut 5.
Embodiment
Embodiment 1
The technical scheme of the present embodiment is: a kind of axisymmetric nozzle throat diameter survey instrument, and comprise 1 upper plate, 1,1 lower roof plate 2 and 1 and overlap telescoping mechanism, wherein telescoping mechanism is made up of bar 3, cylindrical shell 4, nut 5, spring 6.Specific features is: the upper surface of upper plate 1 is arc, and its shape is identical with nozzle throat place profile; The lower surface of lower roof plate 2 is arc, and its shape is identical with nozzle throat place profile; Bar 3 one end and upper plate 1 are fastenedly connected, and the other end is provided with protruding cylinder C, and this end loads in cylindrical shell 4, and form sliding pair, its outer cylinder D is marked with scale, is used to indicate measured nozzle throat height; Have an axial blind hole in cylindrical shell 4, blind end and the lower roof plate 2 of cylindrical shell 4 are fastenedly connected, and openend is provided with external thread, for hold-down nut 5; Nut 5 is cylindrical, and one end has hole E, and the other end is provided with the notch F of mounting nuts, and nut 5, for spacing to bar 3, prevents it from deviating from cylindrical shell 4; Spring 6 is arranged in sleeve 4, the end contact of one end and bar 3, the end contact of the other end and cylindrical shell 4 endoporus, and spring 6 and bar 3 interact, and shrinks under force or extends, thus changes the height of measuring tool.Wherein:
1), in telescoping mechanism, the quantity of bar 3, cylindrical shell 4, nut 5 and spring 6 is 1;
2) diameter of the cylinder C of bar 3 is greater than the diameter of the hole E of nut 5, and the diameter of the hole E of nut 5 is greater than the diameter of the cylinder D of bar 3;
3) on nut 5, the quantity of notch F is 2;
4) top board 1 is equal with lower roof plate 2 length, by survey axisymmetric nozzle venturi place adjustment sheet width 1/2.
The principle of work of described axisymmetric nozzle throat diameter survey instrument is: survey instrument is compressed to suitable size by operator's force, be placed into correct position on nozzle throat, under telescoping mechanism effect, survey instrument can be fixed on axisymmetric nozzle venturi place, and corresponding flexible with the folding and unfolding of nozzle throat, from the scale bar 3 and readable throat diameter.
Embodiment 2
The technical scheme of the present embodiment is: a kind of axisymmetric nozzle throat diameter survey instrument, and comprise 1 upper plate, 1,1 lower roof plate 2 and 1 and overlap telescoping mechanism, wherein telescoping mechanism is made up of bar 3, cylindrical shell 4, nut 5, spring 6.Specific features is: the upper surface of upper plate 1 is arc, and its shape is identical with nozzle throat place profile; The lower surface of lower roof plate 2 is arc, and its shape is identical with nozzle throat place profile; Bar 3 one end and upper plate 1 are fastenedly connected, and the other end is provided with protruding cylinder C, and this end loads in cylindrical shell 4, and form sliding pair, its outer cylinder D is marked with scale, is used to indicate measured nozzle throat height; Have an axial blind hole in cylindrical shell 4, blind end and the lower roof plate 2 of cylindrical shell 4 are fastenedly connected, and openend is provided with external thread, for hold-down nut 5; Nut 5 is cylindrical, and one end has hole E, and the other end is provided with the notch F of mounting nuts, and nut 5, for spacing to bar 3, prevents it from deviating from cylindrical shell 4; Spring 6 is arranged in sleeve 4, the end contact of one end and bar 3, the end contact of the other end and cylindrical shell 4 endoporus, and spring 6 and bar 3 interact, and shrinks under force or extends, thus changes the height of measuring tool.Wherein:
1), in telescoping mechanism, the quantity of bar 3, cylindrical shell 4, nut 5 and spring 6 is 1;
2) diameter of the cylinder C of bar 3 is greater than the diameter of the hole E of nut 5, and the diameter of the hole E of nut 5 is greater than the diameter of the cylinder D of bar 3;
3) on nut 5, the quantity of notch F is 6;
4) top board 1 is equal with lower roof plate 2 length, by survey axisymmetric nozzle venturi place adjustment sheet width 1/2.
The principle of work of described axisymmetric nozzle throat diameter survey instrument is: survey instrument is compressed to suitable size by operator's force, be placed into correct position on nozzle throat, under telescoping mechanism effect, survey instrument can be fixed on axisymmetric nozzle venturi place, and corresponding flexible with the folding and unfolding of nozzle throat, from the scale bar 3 and readable throat diameter.
Embodiment 3
The technical scheme of the present embodiment is: a kind of axisymmetric nozzle throat diameter survey instrument, and comprise 1 upper plate, 1,1 lower roof plate 2 and 1 and overlap telescoping mechanism, wherein telescoping mechanism is made up of bar 3, cylindrical shell 4, nut 5, spring 6.Specific features is: the upper surface of upper plate 1 is arc, and its shape is identical with nozzle throat place profile; The lower surface of lower roof plate 2 is arc, and its shape is identical with nozzle throat place profile; Bar 3 one end and upper plate 1 are fastenedly connected, and the other end is provided with protruding cylinder C, and this end loads in cylindrical shell 4, and form sliding pair, its outer cylinder D is marked with scale, is used to indicate measured nozzle throat height; Have an axial blind hole in cylindrical shell 4, blind end and the lower roof plate 2 of cylindrical shell 4 are fastenedly connected, and openend is provided with external thread, for hold-down nut 5; Nut 5 is cylindrical, and one end has hole E, and the other end is provided with the notch F of mounting nuts, and nut 5, for spacing to bar 3, prevents it from deviating from cylindrical shell 4; Spring 6 is arranged in sleeve 4, the end contact of one end and bar 3, the end contact of the other end and cylindrical shell 4 endoporus, and spring 6 and bar 3 interact, and shrinks under force or extends, thus changes the height of measuring tool.Wherein:
1), in telescoping mechanism, the quantity of bar 3, cylindrical shell 4, nut 5 and spring 6 is 1;
2) diameter of the cylinder C of bar 3 is greater than the diameter of the hole E of nut 5, and the diameter of the hole E of nut 5 is greater than the diameter of the cylinder D of bar 3;
3) on nut 5, the quantity of notch F is 10;
4) top board 1 is equal with lower roof plate 2 length, by survey axisymmetric nozzle venturi place adjustment sheet width 2/3.
The principle of work of described axisymmetric nozzle throat diameter survey instrument is: survey instrument is compressed to suitable size by operator's force, be placed into correct position on nozzle throat, under telescoping mechanism effect, survey instrument can be fixed on axisymmetric nozzle venturi place, and corresponding flexible with the folding and unfolding of nozzle throat, from the scale bar 3 and readable throat diameter.
Claims (5)
1. an axisymmetric nozzle throat diameter survey instrument, comprise 1 upper plate (1), 1 lower roof plate (2) and 1 cover telescoping mechanism, wherein telescoping mechanism is made up of bar (3), cylindrical shell (4), nut (5), spring (6), it is characterized in that: the upper surface of upper plate (1) is arc, and its shape is identical with nozzle throat place profile; The lower surface of lower roof plate (2) is arc, and its shape is identical with nozzle throat place profile; Bar (3) one end and upper plate (1) are fastenedly connected, and the other end is provided with protruding cylinder C, and this end loads in cylindrical shell (4), and form sliding pair, its outer cylinder D is marked with scale; Cylindrical shell has an axial blind hole in (4), and its blind end and lower roof plate (2) are fastenedly connected, and openend is provided with external thread, for hold-down nut (5); Nut (5) is for cylindrical, and one end has hole E, and the other end is provided with the notch F of mounting nuts; Spring (6) is arranged in the blind hole of sleeve (4), the end contact of one end and bar (3), the end contact of the other end and cylindrical shell (4) endoporus.
2. axisymmetric nozzle throat diameter survey instrument according to claim 1, is characterized in that: in telescoping mechanism, and the quantity of bar (3), cylindrical shell (4), nut (5) and spring (6) is 1.
3. axisymmetric nozzle throat diameter survey instrument according to claim 1, it is characterized in that: the diameter of the cylinder C of bar (3) is greater than the diameter of the hole E of nut (5), the diameter of the hole E of nut (5) is greater than the diameter of the cylinder D of bar (3).
4. axisymmetric nozzle throat diameter survey instrument according to claim 1, is characterized in that: the quantity of the upper notch F of nut (5) is 2 ~ 10.
5. axisymmetric nozzle throat diameter survey instrument according to claim 1, is characterized in that: upper plate (1) is equal with lower roof plate (2) length, by survey axisymmetric nozzle venturi everywhere convergent adjustment sheet width 1/2 ~ 2/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734160.4U CN204286304U (en) | 2014-11-28 | 2014-11-28 | A kind of axisymmetric nozzle throat diameter survey instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734160.4U CN204286304U (en) | 2014-11-28 | 2014-11-28 | A kind of axisymmetric nozzle throat diameter survey instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204286304U true CN204286304U (en) | 2015-04-22 |
Family
ID=52869455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420734160.4U Expired - Fee Related CN204286304U (en) | 2014-11-28 | 2014-11-28 | A kind of axisymmetric nozzle throat diameter survey instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204286304U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783666A (en) * | 2016-05-12 | 2016-07-20 | 中国神华能源股份有限公司 | Steam pump core package support slider contact checking tool and contact checking method |
| CN107121112A (en) * | 2017-06-19 | 2017-09-01 | 沈阳飞机工业（集团）有限公司 | A kind of Multifunctional hand-held measuring instrument |
| CN109322659A (en) * | 2018-09-30 | 2019-02-12 | 西南石油大学 | A kind of oil/gas well inner wall of the pipe cleaning measuring device |
-
2014
- 2014-11-28 CN CN201420734160.4U patent/CN204286304U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783666A (en) * | 2016-05-12 | 2016-07-20 | 中国神华能源股份有限公司 | Steam pump core package support slider contact checking tool and contact checking method |
| CN105783666B (en) * | 2016-05-12 | 2019-01-22 | 中国神华能源股份有限公司 | Heat pump core packet support slipper contacts checking tool and contact inspection method |
| CN107121112A (en) * | 2017-06-19 | 2017-09-01 | 沈阳飞机工业（集团）有限公司 | A kind of Multifunctional hand-held measuring instrument |
| CN107121112B (en) * | 2017-06-19 | 2019-12-10 | 沈阳飞机工业（集团）有限公司 | Multifunctional handheld measuring instrument |
| CN109322659A (en) * | 2018-09-30 | 2019-02-12 | 西南石油大学 | A kind of oil/gas well inner wall of the pipe cleaning measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204286304U (en) | A kind of axisymmetric nozzle throat diameter survey instrument | |
| CN105783655B (en) | A kind of axisymmetric nozzle throat diameter survey tool | |
| CN204286290U (en) | A kind of two-dimensional nozzle venturi elevation carrection instrument | |
| CN203587079U (en) | Relative displacement measuring tool between cylinder body and rim band | |
| CN202361923U (en) | External diameter continuous measuring instrument | |
| CN208270651U (en) | A kind of resistance meter that electric operating uses | |
| CN103697791B (en) | A kind of engine jet pipe diameter measuring tool | |
| CN204832161U (en) | Set up quality of water tester that incrustation scale struck off device | |
| CN202393383U (en) | Slope scale for steel-structure fixture | |
| CN204346335U (en) | A kind of crankshaft external diameter pick-up unit | |
| CN202947605U (en) | Tool for measuring width of groove in hole | |
| CN204329863U (en) | A kind of hand-held simple and easy roundness measuring equipment | |
| CN203869637U (en) | Universal plug gauge used for measurement | |
| CN203772179U (en) | Measuring tool for measuring application range of electrode cap | |
| CN208921023U (en) | A kind of forging measuring device | |
| CN207456416U (en) | The gauge head component of cylinder | |
| CN204240907U (en) | A kind of cubing measuring camshaft shoulder length | |
| CN204100959U (en) | Dark measuring instrument in a kind of Tapered Cup | |
| CN202133360U (en) | Full-range measuring instrument for outside thread sealing surface diameter of oil well pipe | |
| CN103411510B (en) | A kind of two-dimensional nozzle venturi height measuring mechanism | |
| CN205580837U (en) | But marshall of automatic monitoring test piece height hits real appearance | |
| CN204730788U (en) | The measurement amount of crushing device | |
| CN206095120U (en) | Spherical pore detection device | |
| CN106197208B (en) | A kind of electro spindle central spindle detection device | |
| CN204978456U (en) | Novel implementation platform of portable automobile inspection display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |