CN108051214A - A kind of foil dynamical pressure air journal bearing is performance test bed - Google Patents
A kind of foil dynamical pressure air journal bearing is performance test bed Download PDFInfo
- Publication number
- CN108051214A CN108051214A CN201810043386.2A CN201810043386A CN108051214A CN 108051214 A CN108051214 A CN 108051214A CN 201810043386 A CN201810043386 A CN 201810043386A CN 108051214 A CN108051214 A CN 108051214A
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- bearing
- air
- thrust
- static air
- pressure
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- 239000011888 foil Substances 0.000 title claims abstract description 25
- 238000011056 performance test Methods 0.000 title claims abstract description 16
- 230000003068 static effect Effects 0.000 claims abstract description 48
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 238000002474 experimental method Methods 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a kind of foil dynamical pressure air journal bearing is performance test bed, including the experiment mandrel on stent and stent, the stent, experimental bench pressure-feed air bearing is provided between experiment mandrel, the experimental bench pressure-feed air bearing, air duct is provided in the experimental bench pressure-feed air bearing, the experimental bench pressure-feed air bearing includes the preceding static air journal bearing of front side, static air radical-thrust composite bearing afterwards, static air thrust bearing and connection lasso afterwards, the air inlet being connected with feeder is provided on the connection lasso, the preceding static air journal bearing, static air radical-thrust composite bearing afterwards, air nozzle is distributed on the inside of static air thrust bearing afterwards；After experimental bench pressure-feed air bearing cooperation feeder supply, especially preceding static air journal bearing, rear static air radical-thrust composite bearing, the design of rear static air thrust bearing, suspension operating, the uniform force of mandrel are realized, so that mandrel realizes the steady operating in the full range of speeds.
Description
Technical field
The present invention relates to air bearing testing field, a kind of particularly foil dynamical pressure air journal bearing is performance test bed.
Background technology
The performance test bed structure of domestic current foil dynamical pressure air journal bearing is all that will directly need to test paillon
Hydrodynamic air journal bearing is placed directly in the extended end that the external part of electro spindle or electro spindle external part are connected by shaft coupling
On.Since used electro spindle is supported by the bearing of grease lubrication, fog lubrication or oil-air lubrication, so these
Experimental bench all there is spindle vibration it is excessive the problem of.Nominal air-film thickness when being operated due to foil dynamical pressure air journal bearing
Only tens microns, so the problem of spindle vibration is excessive, can allow foil dynamical pressure air journal bearing performance test exist than
Larger error, obtained performance parameter also result in the appearance of various problems in the Design and manufacturing process of guide product.
The content of the invention
For overcome the deficiencies in the prior art, it is performance test bed that the present invention provides a kind of foil dynamical pressure air journal bearing.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of foil dynamical pressure air journal bearing is performance test bed, including the experiment mandrel on stent and stent, the branch
Experimental bench pressure-feed air bearing, the experimental bench pressure-feed air bearing, the experimental bench static pressure are provided between frame, experiment mandrel
Be provided with air duct in air bearing, the experimental bench pressure-feed air bearing include front side preceding static air journal bearing,
Afterwards static air radical-thrust composite bearing, rear static air thrust bearing and connection lasso, it is described connection lasso on be provided with
The air inlet of feeder connection, the preceding static air journal bearing, rear static air radical-thrust composite bearing, rear static pressure
Air nozzle is distributed on the inside of air thrust bearing.
As a preference, U-shaped foil bearing retainer, institute are additionally provided on front side of the preceding static air journal bearing
It states and is provided with air duct on the inside of U-shaped foil bearing retainer and is connected with the air duct of experimental bench pressure-feed air bearing, the U-shaped
It is set on foil bearing retainer towards the air nozzle on the inside of recess.
As a preference, the experiment mandrel end is provided with removable experimental section axle sleeve.
As a preference, rear side, the rear static air thrust shaft of the rear static air radical-thrust composite bearing
The front side held is provided with air nozzle.
As a preference, between the rear static air radical-thrust composite bearing, rear static air thrust bearing
It is provided with distance collar.
The beneficial effects of the invention are as follows：After coordinating feeder supply by experimental bench pressure-feed air bearing, especially
Preceding static air journal bearing, rear static air radical-thrust composite bearing, the design of rear static air thrust bearing, realize mandrel
Suspension operating, uniform force so that mandrel realizes the steady operating in the full range of speeds.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the sectional view of experimental bench pressure-feed air bearing part in the present invention.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the object, technical solution and advantage for making the application are more clearly understood
The present invention is further elaborated.For the thorough explanation present invention, some certain details can be related in following description
Section.And in these no specific details, the invention can still be realized, i.e., the technical staff in fields uses herein
These describe and state that the others skilled in the art into fields can more effectively introduce their work essence.
With reference to Fig. 1, Fig. 2, a kind of foil dynamical pressure air journal bearing is performance test bed, including the reality on stent 1 and stent 1
Mandrel 2 is tested, experimental bench pressure-feed air bearing 3, the experimental bench static air axis are provided between the stent 1, experiment mandrel 2
3 are held, air duct 4 is provided in the experimental bench pressure-feed air bearing 3, the experimental bench pressure-feed air bearing 3 includes front side
Preceding static air journal bearing 31, rear static air radical-thrust composite bearing 32, rear static air thrust bearing 33 and even
Female connector circle 34, described connect are provided with the air inlet being connected with feeder on lasso 34, the preceding static air journal bearing 31,
Air nozzle 5 is distributed in static air radical-thrust composite bearing 32,33 inside of rear static air thrust bearing afterwards.Experimental bench static pressure
After air bearing 3 is supplied by feeder, the suspension of experiment mandrel 2 is realized, so that experiment mandrel 2 realizes full rotating speed model
Enclose interior steady operating.Testboard cooperation speed probe, displacement sensor, temperature sensor, torque sensor and vibration pass
Sensor simultaneously measures the rotating speed of foil dynamical pressure air thrust bearing, displacement, temperature, moment of friction and vibration, and leads to
Signal acquiring system is crossed to be acquired, analyze.It realizes in the full range of speeds, the bearing capacity of foil dynamical pressure air journal bearing,
The performance test of start-stop time, departure rotary speed, stability.
31 front side of preceding static air journal bearing is additionally provided with U-shaped foil bearing retainer 6, the U-shaped paillon axis
It holds the inside of retainer 6 and is provided with air duct 4 and connected with the air duct 4 of experimental bench pressure-feed air bearing 3, the U-shaped paillon axis
It holds and is set on retainer 6 towards the air nozzle 5 on the inside of recess.
Experiment 2 end set of mandrel has removable experimental section axle sleeve 7, you can flexibly to replace, makes testboard can
To be applied to the performance test of the foil dynamical pressure air journal bearing of each size.Dynamic pressure shaft is provided on experiment mandrel 2
Bearing 21 is held, sensor connecting rod 22 and stayed mast 23 are provided on the hydrodynamic bearing bearing 21, is provided on the stent 1
Tension frame 11 is connected with drawstring, for being tested between the tension frame 11 and stayed mast 23.
The rear side of static air radical-thrust composite bearing 32, the front side of rear static air thrust bearing 33 are set after described
There is air nozzle.
After described distance collar is provided between static air radical-thrust composite bearing 32, rear static air thrust bearing 33
9。
According to above-mentioned principle, the present invention can also carry out the above embodiment appropriate change and modification.Therefore, this hair
It is bright to be not limited to specific embodiment disclosed and described above, some modifications and changes of the present invention should also be as to fall into this
In the scope of the claims of invention.
Claims (5)
1. a kind of foil dynamical pressure air journal bearing is performance test bed, it is characterised in that：Including on stent (1) and stent (1)
Mandrel (2) is tested, experimental bench pressure-feed air bearing (3), the experimental bench are provided between the stent (1), experiment mandrel (2)
Pressure-feed air bearing (3), the experimental bench pressure-feed air bearing (3) is interior to be provided with air duct (4), the experimental bench static air
Bearing (3) includes the preceding static air journal bearing (31), rear static air radical-thrust composite bearing (32), rear quiet of front side
Air thrust bearing (33) and connection lasso (34) are pressed, the air inlet being connected with feeder is provided on the connection lasso (34)
(8), the preceding static air journal bearing (31), rear static air radical-thrust composite bearing (32), rear static air thrust
Air nozzle (5) is distributed on the inside of bearing (33).
2. a kind of foil dynamical pressure air journal bearing according to claim 1 is performance test bed, it is characterised in that：Before described
U-shaped foil bearing retainer (6), the U-shaped foil bearing retainer (6) are additionally provided on front side of static air journal bearing (31)
Inside is provided with air duct (4) and is connected with the air duct (4) of experimental bench pressure-feed air bearing (3), and the U-shaped foil bearing is protected
It holds and is set on frame (6) towards the air nozzle (5) on the inside of recess.
3. a kind of foil dynamical pressure air journal bearing according to claim 1 is performance test bed, it is characterised in that：The reality
Testing mandrel (2) end set has removable experimental section axle sleeve (7).
4. a kind of foil dynamical pressure air journal bearing according to claim 1 is performance test bed, it is characterised in that：After described
Air nozzle is provided on front side of the rear side of static air radical-thrust composite bearing (32), rear static air thrust bearing (33).
5. a kind of foil dynamical pressure air journal bearing according to claim 1 or 4 is performance test bed, it is characterised in that：Institute
It states and is provided with distance collar (9) between rear static air radical-thrust composite bearing (32), rear static air thrust bearing (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043386.2A CN108051214A (en) | 2018-01-15 | 2018-01-15 | A kind of foil dynamical pressure air journal bearing is performance test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043386.2A CN108051214A (en) | 2018-01-15 | 2018-01-15 | A kind of foil dynamical pressure air journal bearing is performance test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108051214A true CN108051214A (en) | 2018-05-18 |
Family
ID=62127775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810043386.2A Pending CN108051214A (en) | 2018-01-15 | 2018-01-15 | A kind of foil dynamical pressure air journal bearing is performance test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108051214A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532837A (en) * | 2021-08-19 | 2021-10-22 | 中国航发贵阳发动机设计研究所 | Test tool structure for verifying pressure of special-shaped spray pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190793A (en) * | 2002-12-12 | 2004-07-08 | Yaskawa Electric Corp | Static air bearing spindle |
| JP2005214310A (en) * | 2004-01-30 | 2005-08-11 | Yaskawa Electric Corp | Hydrostatic air bearing spindle |
| CN201152812Y (en) * | 2008-01-02 | 2008-11-19 | 西安工业大学 | Radial directional hydrodynamic-hydrostatic gas bearing experiment bench |
| CN102121875A (en) * | 2010-12-17 | 2011-07-13 | 大连理工大学 | Dynamic loading comprehensive experimental table for gas bearing-rotor system |
| CN103286679A (en) * | 2013-06-17 | 2013-09-11 | 东南大学 | Super high speed air bearing electric main shaft |
| CN103846459A (en) * | 2014-02-25 | 2014-06-11 | 上海大学 | Electric main shaft supported by hydrostatic integrated gas bearing |
| CN207850689U (en) * | 2018-01-15 | 2018-09-11 | 佛山特博科技有限公司 | A kind of foil dynamical pressure air journal bearing is performance test bed |
-
2018
- 2018-01-15 CN CN201810043386.2A patent/CN108051214A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190793A (en) * | 2002-12-12 | 2004-07-08 | Yaskawa Electric Corp | Static air bearing spindle |
| JP2005214310A (en) * | 2004-01-30 | 2005-08-11 | Yaskawa Electric Corp | Hydrostatic air bearing spindle |
| CN201152812Y (en) * | 2008-01-02 | 2008-11-19 | 西安工业大学 | Radial directional hydrodynamic-hydrostatic gas bearing experiment bench |
| CN102121875A (en) * | 2010-12-17 | 2011-07-13 | 大连理工大学 | Dynamic loading comprehensive experimental table for gas bearing-rotor system |
| CN103286679A (en) * | 2013-06-17 | 2013-09-11 | 东南大学 | Super high speed air bearing electric main shaft |
| CN103846459A (en) * | 2014-02-25 | 2014-06-11 | 上海大学 | Electric main shaft supported by hydrostatic integrated gas bearing |
| CN207850689U (en) * | 2018-01-15 | 2018-09-11 | 佛山特博科技有限公司 | A kind of foil dynamical pressure air journal bearing is performance test bed |
Non-Patent Citations (1)
| Title |
|---|
| 陆玉兵等: "《机械制图与公差配合》", vol. 1, 北京理工大学出版社, pages: 314 - 315 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532837A (en) * | 2021-08-19 | 2021-10-22 | 中国航发贵阳发动机设计研究所 | Test tool structure for verifying pressure of special-shaped spray pipe |
| CN113532837B (en) * | 2021-08-19 | 2022-11-18 | 中国航发贵阳发动机设计研究所 | Test tool structure for verifying pressure of special-shaped spray pipe |
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Inventor after: Wang Rui Inventor after: Hu Bin Inventor after: Hou Anping Inventor before: Wang Rui Inventor before: Hu Bin |