CN112594277A - Radial foil bearing with bearing self-adjusting function - Google Patents
Radial foil bearing with bearing self-adjusting function Download PDFInfo
- Publication number
- CN112594277A CN112594277A CN202011512637.0A CN202011512637A CN112594277A CN 112594277 A CN112594277 A CN 112594277A CN 202011512637 A CN202011512637 A CN 202011512637A CN 112594277 A CN112594277 A CN 112594277A
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- CN
- China
- Prior art keywords
- bearing
- foil
- adjusting
- connecting rod
- groove
- 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.)
- Pending
Links
- 239000011888 foil Substances 0.000 title claims abstract description 55
- 230000006870 function Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 2
- 230000009711 regulatory function Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/024—Sliding-contact bearings for exclusively rotary movement for radial load only with flexible leaves to create hydrodynamic wedge, e.g. radial foil bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/02—Sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/12—Force, load, stress, pressure
- F16C2240/14—Preload
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention provides a radial foil bearing with a bearing self-adjusting function, which relates to the technical field of bearings and comprises a bearing sleeve, a corrugated foil and a flat foil, wherein a through groove is formed in the inner side of the bearing sleeve, an adjusting part is fixedly arranged on the outer surface of the corrugated foil and inserted into the through groove, the radial foil bearing comprises a pressing block, an adjusting rod and a clamping groove, a connecting rod integrally formed with the pressing block is arranged on the upper surface of the pressing block, a rack is arranged on the connecting rod, a rotating gear is arranged at the end part of the adjusting rod and meshed with the rack, a rotating shaft is arranged on the side edge of the connecting rod, a clamping block is hinged to the rotating shaft, and a. Thereby drive the running gear through rotating the regulation pole and rotate, borrow this to realize the lift of connecting rod and briquetting, the lift of briquetting has changed the clearance between flat foil and the rotor, has changed the pretightning force of bearing, and then adjusts the bearing capacity of radial foil bearing.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a radial foil bearing with a self-adjusting bearing function.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision.
The existing radial foil bearing is not high in rigidity and cannot bear larger load, and the improvement of the pretightening force is a common way for increasing the bearing load, but the pretightening force cannot be changed due to the fixed shape of the bearing bush, cannot be flexibly adjusted in use, and is difficult to adapt to the working condition requirements under different conditions in practical application. Therefore, designing a radial foil bearing with a load self-adjusting function is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art and provide a radial foil bearing with a self-adjusting bearing function
The invention is realized by the following technical scheme: the utility model provides a radial foil bearing with bear oneself regulatory function, its characterized in that, includes the bearing housing, inserts ripple foil and flat foil to in the bearing housing, the bearing housing is hollow cylinder and the bearing housing inboard is equipped with logical groove along the axis direction, the surface of ripple foil sets firmly the surface of regulating part and ripple foil cladding at flat foil, the regulating part inserts to leading to the inslot, including the briquetting, is located regulation pole and the draw-in groove of ripple foil both sides respectively, the briquetting upper surface is equipped with the connecting rod with briquetting integrated into one piece, be equipped with the rack on the connecting rod, the tip of adjusting the pole is equipped with the rotating gear, the rotating gear meshes with the rack mutually, the side of connecting rod is equipped with the pivot, it has the fixture block to articulate in the pivot, the below of fixture block is equipped with stopper and fixture block and the draw-in groove joint.
According to the above technical solution, preferably, the end of the adjusting rod is provided with a cross groove.
According to the above technical solution, preferably, the pressing block is fixedly connected with the surface of the corrugated foil.
According to the above technical scheme, preferably, the clamping groove is fixedly connected to the side edge of the through groove.
The invention has the beneficial effects that: thereby drive the running gear through rotating the regulation pole and rotate, borrow this to realize the lift of connecting rod and briquetting, the lift of briquetting has changed the clearance between flat foil and the rotor, has changed the pretightning force of bearing, and then adjusts the bearing capacity of radial foil bearing.
Drawings
Fig. 1 shows a schematic structural diagram of the exterior of the embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a mediation section according to an embodiment of the present invention.
In the figure: 1. a bearing housing; 2. a corrugated foil; 3. a flat foil; 4. a through groove; 5. briquetting; 6. adjusting a rod; 7. a card slot; 8. a connecting rod; 9. a rack; 10. a rotating gear; 11. a rotating shaft; 12. a clamping block; 13. a limiting block; 14. a cross-shaped groove.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the invention provides a radial foil bearing with a bearing self-adjusting function, which is characterized by comprising a bearing sleeve 1, a corrugated foil 2 and a flat foil 3, wherein the corrugated foil 2 and the flat foil 3 are inserted into the bearing sleeve 1, the bearing sleeve 1 is hollow cylindrical, a through groove 4 is formed in the inner side of the bearing sleeve 1 along the axis direction, an adjusting part is fixedly arranged on the outer surface of the corrugated foil 2, the corrugated foil 2 is covered on the outer surface of the flat foil 3, the adjusting part is inserted into the through groove 4 and comprises a pressing block 5, an adjusting rod 6 and a clamping groove 7 which are respectively arranged on two sides of the corrugated foil 2, a connecting rod 8 which is integrally formed with the pressing block 5 is arranged on the upper surface of the pressing block 5, a rack 9 is arranged on the connecting rod 8, a rotating gear 10 is arranged at the end part of the adjusting rod 6, the rotating gear 10 is meshed with the, a limiting block 13 fixedly connected with the connecting rod 8 is arranged below the clamping block 12, and the clamping block 12 is clamped with the clamping groove 7.
The working principle of the invention is as follows: the flat foil and the corrugated foil are inserted into the bearing sleeve, the adjusting part fixedly connected with the corrugated foil is inserted into the through groove, the clamping block is clamped with the clamping groove, when the bearing capacity of the bearing needs to be changed, the adjusting rod is rotated to drive the rotating gear to rotate, the rotating gear drives the gear meshed with the rotating gear to lift, and therefore the pressing block can lift along with the gear, the gap between the flat foil and the rotor is changed, the pre-tightening force of the bearing is changed, and the bearing capacity of the radial foil bearing is also influenced.
According to the above embodiment, the end of the adjustment lever 6 is preferably provided with a cross-slot 14 to facilitate adjustment of the adjustment lever 6.
According to the above embodiment, preferably, the pressing block 5 is fixedly connected with the surface of the corrugated foil 2, and it is ensured that the lifting of the pressing block 5 can change the gap between the flat foil 3 and the rotor through the corrugated foil 2.
According to the above embodiment, the clamping groove 14 is preferably fixed on the side of the through slot 4.
The invention has the beneficial effects that: thereby drive the running gear 10 through rotating the regulation pole 6 and rotate, borrow this to realize connecting rod 8 and briquetting 5's lift, briquetting 5's lift has changed the clearance between flat foil 3 and the rotor, has changed the pretightning force of bearing, and then adjusts radial foil bearing's bearing capacity.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a radial foil bearing with bear oneself regulatory function, its characterized in that, includes the bearing housing, inserts ripple foil and flat foil to in the bearing housing, the bearing housing is hollow cylinder and the bearing housing inboard is equipped with logical groove along the axis direction, the surface of ripple foil sets firmly the surface of regulating part and ripple foil cladding at flat foil, the regulating part inserts to leading to the inslot, including the briquetting, is located regulation pole and the draw-in groove of ripple foil both sides respectively, the briquetting upper surface is equipped with the connecting rod with briquetting integrated into one piece, be equipped with the rack on the connecting rod, the tip of adjusting the pole is equipped with the rotating gear, the rotating gear meshes with the rack mutually, the side of connecting rod is equipped with the pivot, it has the fixture block to articulate in the pivot, the below of fixture block is equipped with stopper and fixture block and the draw-in groove joint.
2. A radial foil bearing with load-bearing self-adjusting function according to claim 1, characterized in that the ends of the adjusting rods are provided with cross grooves.
3. The self-adjusting radial foil bearing according to claim 1, wherein the pressing block is fixed to the surface of the corrugated foil.
4. The self-adjusting radial foil bearing according to claim 1, wherein the locking groove is fixed to a side of the through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512637.0A CN112594277A (en) | 2020-12-20 | 2020-12-20 | Radial foil bearing with bearing self-adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011512637.0A CN112594277A (en) | 2020-12-20 | 2020-12-20 | Radial foil bearing with bearing self-adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112594277A true CN112594277A (en) | 2021-04-02 |
Family
ID=75199673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011512637.0A Pending CN112594277A (en) | 2020-12-20 | 2020-12-20 | Radial foil bearing with bearing self-adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112594277A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004183830A (en) * | 2002-12-05 | 2004-07-02 | Toshiba Corp | Divided gas lubrication type foil bearing |
| CN104632871A (en) * | 2015-03-17 | 2015-05-20 | 湖南大学 | Minitype foil aerodynamic pressure bearing |
| US20150362012A1 (en) * | 2012-11-02 | 2015-12-17 | Yury Ivanovich Ermilov | Foil bearing assembly |
| CN108425940A (en) * | 2018-03-06 | 2018-08-21 | 西安交通大学 | A kind of big carrying elastic foil gas bearing with automatic adjusument |
| CN111503134A (en) * | 2020-04-28 | 2020-08-07 | 北京稳力科技有限公司 | Air compressor, motor and gas dynamic pressure radial bearing |
-
2020
- 2020-12-20 CN CN202011512637.0A patent/CN112594277A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004183830A (en) * | 2002-12-05 | 2004-07-02 | Toshiba Corp | Divided gas lubrication type foil bearing |
| US20150362012A1 (en) * | 2012-11-02 | 2015-12-17 | Yury Ivanovich Ermilov | Foil bearing assembly |
| CN104632871A (en) * | 2015-03-17 | 2015-05-20 | 湖南大学 | Minitype foil aerodynamic pressure bearing |
| CN108425940A (en) * | 2018-03-06 | 2018-08-21 | 西安交通大学 | A kind of big carrying elastic foil gas bearing with automatic adjusument |
| CN111503134A (en) * | 2020-04-28 | 2020-08-07 | 北京稳力科技有限公司 | Air compressor, motor and gas dynamic pressure radial bearing |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210402 |
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| RJ01 | Rejection of invention patent application after publication |