CN206555289U - A kind of dynamic and hydrostatic bearing - Google Patents
A kind of dynamic and hydrostatic bearing Download PDFInfo
- Publication number
- CN206555289U CN206555289U CN201720234797.0U CN201720234797U CN206555289U CN 206555289 U CN206555289 U CN 206555289U CN 201720234797 U CN201720234797 U CN 201720234797U CN 206555289 U CN206555289 U CN 206555289U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- dynamic
- transition ring
- hydrostatic bearing
- pedestal
- 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
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The utility model discloses a kind of dynamic and hydrostatic bearing of technical field of bearings, including pedestal, the outer wall of the pedestal is provided with air admission hole, the bottom of the air admission hole is connected with transfer port, the inner chamber of the pedestal is fixedly connected with transition ring, the lumen circumference side wall of the transition ring is uniformly provided with flute profile air cavity, the intracavity sidewall of the transition ring is fixedly connected with elastic sheet, and the outer circumferential walls of elastic sheet are uniformly provided with throttle orifice, the body of the transition ring is provided with rotating shaft chamber, the inside of the rotating shaft chamber is plugged with rotating shaft, this kind of dynamic and hydrostatic bearing, it is reasonable in design, it is practical, original oil lubrication is substituted using gas lubrication, high lubricating effect, rotating shaft chamber interior will not be made to produce greasy dirt, improve bearing working performance, the relatively conventional dynamic and hydrostatic bearing of structure is simple, and bearing capacity is strong.
Description
Technical field
The utility model is related to technical field of bearings, specially a kind of dynamic and hydrostatic bearing.
Background technology
The bearing for being presently used for grinding wheel spindle of grinder mainly selects hydrodynamic bearing or hydrostatic bearing, part high-precision grinder
The bearing of main shaft then uses sound bearing, and the oil recess structure form of the grade dynamic and hydrostatic bearing is in axle by dynamic pressure cavity and static pressure chamber
Stagger layings upwards, in this way, into before normal operation operating mode, external applied load is carried using the static pressure effect of static pressure chamber；When entering
Enter to run well operating mode when, close static pressure chamber pressure oil, external applied load is carried by the dynamic pressure of dynamic pressure cavity.This structure type
Bearing be dynamic pressure and static pressure simple combination mode, be not combined functionally, it is complicated and bearing capacity is not enough, and
And the oil that this kind of dynamic and hydrostatic bearing is entered in post-receiving chamber easily causes internal contamination, influences bearing using effect, it is therefore desirable to
Further improvement is made to current dynamic and hydrostatic.
Utility model content
The purpose of this utility model is to provide a kind of dynamic and hydrostatic bearing, to solve the bearing proposed in above-mentioned background technology
Simply the simple combination mode of dynamic pressure and static pressure, is not combined functionally, complicated and bearing capacity is not enough, and enters
Oil to rotating shaft chamber interior easily causes pollution, the problem of influenceing bearing using effect.
To achieve the above object, the utility model provides following technical scheme：A kind of dynamic and hydrostatic bearing, including pedestal, institute
The outer wall for stating pedestal is provided with air admission hole, and the bottom of the air admission hole is connected with transfer port, and the inner chamber of the pedestal is fixedly connected with
Transition ring, the lumen circumference side wall of the transition ring is uniformly provided with flute profile air cavity, and the intracavity sidewall of the transition ring is fixedly connected
Flexible thin plate, and the outer circumferential walls of elastic sheet are uniformly provided with throttle orifice, the body of the transition ring is provided with rotating shaft chamber,
The inside of the rotating shaft chamber is plugged with rotating shaft.
It is preferred that, the quantity of the air admission hole and transfer port is eight groups.
It is preferred that, the pedestal and rotating shaft are stainless steel structure.
It is preferred that, the transition ring is connected with elastic sheet by interference fit.
Compared with prior art, the beneficial effects of the utility model are：This kind of dynamic and hydrostatic bearing, reasonable in design, practicality
By force, original oil lubrication is substituted using gas lubrication, high lubricating effect will not make rotating shaft chamber interior produce greasy dirt, improve axle
Service behaviour is held, the relatively conventional dynamic and hydrostatic bearing of structure is simple, and bearing capacity is strong.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model side sectional view.
In figure：1 pedestal, 2 air admission holes, 3 transfer ports, 4 transition rings, 5 flute profile air cavitys, 6 elastic sheets, 7 rotating shaft chambers, 8 sections
Discharge orifice, 9 rotating shafts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of dynamic and hydrostatic bearing, including pedestal 1, it is described
The outer wall of pedestal 1 is provided with air admission hole 2, and the bottom of the air admission hole 2 is connected with transfer port 3, and the inner chamber of the pedestal 1, which is fixed, to be connected
Transition ring 4 is connected to, the lumen circumference side wall of the transition ring 4 is uniformly provided with flute profile air cavity 5, the intracavity sidewall of the transition ring 4
Elastic sheet 6 is fixedly connected with, and the outer circumferential walls of elastic sheet 6 are uniformly provided with throttle orifice 8, the body of the transition ring 4 is opened
There is rotating shaft chamber 7, the inside of the rotating shaft chamber 7 is plugged with rotating shaft 9.
Wherein, the quantity of the air admission hole 2 and transfer port 3 is eight groups, and the pedestal 1 and rotating shaft 9 are stainless steel knot
The intensity of structure, increase pedestal 1 and rotating shaft 9, improves the service life of the present apparatus, and the transition ring 4 passes through interference with elastic sheet 6
It is connected.
Operation principle：When needing to use the present apparatus, start aerophore, make aerophore by being connected with eight air admission holes 2
Appendix and transfer port 3 to the inner chamber gas transmission of the present apparatus, gas entered in flute profile air cavity 5, and gas passes through Thin Elastic afterwards
Throttle orifice 8 on plate 6 is entered in rotating shaft chamber 7, is made to form one layer of airflow layer between rotating shaft 9 and elastic sheet 6, is reduced rotating shaft
Friction between 9 and elastic sheet 6, after treating that the air pressure in a period of time, flute profile air cavity 5 reaches steadily, starts and the outer wall of rotating shaft 9
Connected motor, starts motor, and then drive rotating shaft 9 to rotate.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of dynamic and hydrostatic bearing, including pedestal (1), it is characterised in that：The outer wall of the pedestal (1) is provided with air admission hole (2), institute
The bottom for stating air admission hole (2) is connected with transfer port (3), and the inner chamber of the pedestal (1) is fixedly connected with transition ring (4), the mistake
The lumen circumference side wall for crossing circle (4) is uniformly provided with flute profile air cavity (5), and the intracavity sidewall of the transition ring (4) is fixedly connected with bullet
Property thin plate (6), and the outer circumferential walls of elastic sheet (6) are uniformly provided with throttle orifice (8), and the body of the transition ring (4), which is provided with, to be turned
Axocoel room (7), the inside of the rotating shaft chamber (7) is plugged with rotating shaft (9).
2. a kind of dynamic and hydrostatic bearing according to claim 1, it is characterised in that：The air admission hole (2) and transfer port (3)
Quantity is eight groups.
3. a kind of dynamic and hydrostatic bearing according to claim 1, it is characterised in that：The pedestal (1) and rotating shaft (9) are not
Become rusty steel construction.
4. a kind of dynamic and hydrostatic bearing according to claim 1, it is characterised in that：The transition ring (4) and elastic sheet (6)
By being interference fitted connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234797.0U CN206555289U (en) | 2017-03-13 | 2017-03-13 | A kind of dynamic and hydrostatic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234797.0U CN206555289U (en) | 2017-03-13 | 2017-03-13 | A kind of dynamic and hydrostatic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555289U true CN206555289U (en) | 2017-10-13 |
Family
ID=60362882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720234797.0U Expired - Fee Related CN206555289U (en) | 2017-03-13 | 2017-03-13 | A kind of dynamic and hydrostatic bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577765A (en) * | 2020-05-22 | 2020-08-25 | 中国科学院工程热物理研究所 | Static pressure type radial gas bearing structure |
-
2017
- 2017-03-13 CN CN201720234797.0U patent/CN206555289U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577765A (en) * | 2020-05-22 | 2020-08-25 | 中国科学院工程热物理研究所 | Static pressure type radial gas bearing structure |
| CN111577765B (en) * | 2020-05-22 | 2022-03-15 | 中国科学院工程热物理研究所 | Static pressure type radial gas bearing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20180313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |