CN207850689U - 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
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- CN207850689U CN207850689U CN201820079471.XU CN201820079471U CN207850689U CN 207850689 U CN207850689 U CN 207850689U CN 201820079471 U CN201820079471 U CN 201820079471U CN 207850689 U CN207850689 U CN 207850689U
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Abstract
The utility model discloses a kind of foil dynamical pressure air journal bearing is performance test bed, including the experiment mandrel on holder and holder, the holder, it is provided with experimental bench pressure-feed air bearing between experiment mandrel, the experimental bench pressure-feed air bearing, it is provided with air duct 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, it is provided with the air inlet being connect with feeder 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 coordinating feeder to 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, suspension operating, the uniform force for realizing mandrel, to make mandrel realize the steady operating in the full range of speeds.
Description
Technical field
The utility model is related to air bearing testing field, especially a kind of foil dynamical pressure air journal bearing performance test
Platform.
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
The extended end that hydrodynamic air journal bearing is placed directly in the external part of electro spindle or electro spindle external part is connected by shaft coupling
On.By used electro spindle be all supported by the bearing of grease lubrication, fog lubrication or oil-air lubrication, so these
Experimental bench all has that spindle vibration is excessive.Nominal air-film thickness when being operated due to foil dynamical pressure air journal bearing
Only tens microns, so the problem that spindle vibration is excessive, can allow the performance test of foil dynamical pressure air journal bearing exist than
Larger error, obtained performance parameter also result in the appearance of various problems in the Design and manufacturing process of guide product.
Invention content
For overcome the deficiencies in the prior art, the utility model provides a kind of foil dynamical pressure air journal bearing performance test
Platform.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of foil dynamical pressure air journal bearing is performance test bed, including the experiment mandrel on holder and holder, the branch
It is provided with experimental bench pressure-feed air bearing, the experimental bench pressure-feed air bearing, the experimental bench static pressure 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,
Static air radical-thrust composite bearing, rear static air thrust bearing and connection lasso afterwards, be provided on the connection lasso and
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 to the air duct of experimental bench pressure-feed air bearing, the U-shaped
It is arranged towards the air nozzle on the inside of recess on foil bearing retainer.
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 utility model has the beneficial effects that：After coordinating feeder gas supply by experimental bench pressure-feed air bearing, especially
It is preceding static air journal bearing, rear static air radical-thrust composite bearing, the design of rear static air thrust bearing, is realized
The suspension operating of mandrel, uniform force, to make mandrel realize the steady operating in the full range of speeds.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the stereogram of the utility model；
Fig. 2 is the sectional view of experimental bench pressure-feed air bearing part in the utility model.
Specific implementation mode
It is with reference to the accompanying drawings and embodiments, right in order to make the object, technical solution and advantage of the application be more clearly understood
The utility model is further elaborated.For the thorough explanation present invention, some spies can be related in following description
Determine details.And in these no specific details, the invention can still be realized, i.e., the technical staff in fields uses this
These of place describe and state that the others skilled in the art into fields can more effectively introduce their work essence.
Referring to Fig.1, Fig. 2, a kind of foil dynamical pressure air journal bearing is performance test bed, including the reality on holder 1 and holder 1
Mandrel 2 is tested, experimental bench pressure-feed air bearing 3, the experimental bench static air axis are provided between the holder 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, is provided with the air inlet being connect with feeder on the connection 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, to make experiment mandrel 2 realize full rotating speed model
Enclose interior steady operating.Testboard coordinates speed probe, displacement sensor, temperature sensor, torque sensor and vibration to 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 the 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 be connected to the air duct 4 of experimental bench pressure-feed air bearing 3, the U-shaped paillon axis
It holds and is arranged towards the air nozzle 5 on the inside of recess on retainer 6.
2 end set of experiment mandrel has removable experimental section axle sleeve 7, you can flexibly to replace, makes testboard can
With the performance test of the foil dynamical pressure air journal bearing applied to each size.It is provided with dynamic pressure shaft 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 holder 1
Tension frame 11 is connected with drawstring, for being tested between the tension frame 11 and stayed mast 23.
The front side setting of the rear side of static air radical-thrust composite bearing 32, rear static air thrust bearing 33 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 utility model can also carry out change and modification appropriate to the above embodiment.Therefore,
The utility model is not limited to specific implementation mode disclosed and described above, to some modifications and changes of the utility model
It should also be as falling into the protection scope of the claims of the present utility model.
Claims (5)
1. a kind of foil dynamical pressure air journal bearing is performance test bed, it is characterised in that：Including on holder (1) and holder (1)
Mandrel (2) is tested, experimental bench pressure-feed air bearing (3), the experimental bench are provided between the holder (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 connect 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
It is additionally provided with U-shaped foil bearing retainer (6), the U-shaped foil bearing retainer (6) on front side of static air journal bearing (31)
Inside is provided with air duct (4) and is connected to the air duct (4) of experimental bench pressure-feed air bearing (3), and the U-shaped foil bearing is protected
It holds and is arranged towards the air nozzle (5) on the inside of recess on frame (6).
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
It is provided with air nozzle 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 |
|---|---|---|---|
| CN201820079471.XU CN207850689U (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 |
|---|---|---|---|
| CN201820079471.XU CN207850689U (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 |
|---|---|
| CN207850689U true CN207850689U (en) | 2018-09-11 |
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ID=63415045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820079471.XU Active CN207850689U (en) | 2018-01-15 | 2018-01-15 | A kind of foil dynamical pressure air journal bearing is performance test bed |
Country Status (1)
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| CN (1) | CN207850689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051214A (en) * | 2018-01-15 | 2018-05-18 | 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 CN201820079471.XU patent/CN207850689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051214A (en) * | 2018-01-15 | 2018-05-18 | 佛山特博科技有限公司 | A kind of foil dynamical pressure air journal bearing is performance test bed |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 315016 Room 202, Building 4, No. 2, Kechuang North Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo Yuntebo Technology Co.,Ltd. Address before: 528303 Floor 1, Block 3, No. 8, Qiaodong Road, Ronggui Desheng Neighborhood Committee, Shunde District, Foshan, Guangdong Patentee before: FOSHAN TEBO TECHNOLOGY CO.,LTD. |