CN108843685A - It is a kind of dynamical pressure radial gas bearing provided - Google Patents
It is a kind of dynamical pressure radial gas bearing provided Download PDFInfo
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- CN108843685A CN108843685A CN201810883127.0A CN201810883127A CN108843685A CN 108843685 A CN108843685 A CN 108843685A CN 201810883127 A CN201810883127 A CN 201810883127A CN 108843685 A CN108843685 A CN 108843685A
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- paillon
- flat
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- gas bearing
- component
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- 230000007704 transition Effects 0.000 claims description 20
- 239000011888 foil Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 238000013016 damping Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
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 present invention provides a kind of dynamical pressure radial gas bearing provided comprising bearing block and at least one set of paillon component set on bearing block inner circumferential side；Every group of paillon component includes first wave paillon, the first flat paillon, the second wave paillon and the second flat paillon being sequentially stacked from outside to inside along the radial direction of bearing block, one end of first wave paillon, one end of the first flat paillon, one end of the second wave paillon and the second flat paillon one end fixed both with respect to bearing block, the other end of first wave paillon, the other end of the first flat paillon, the other end of the second wave paillon and the second flat paillon the other end be free end.Of the invention is dynamical pressure radial gas bearing provided with the uniform rigidity of structure and good damping characteristic, adapts to large range of load change.
Description
Technical field
The present invention relates to hydrodynamic gas-lubricated bearing technical fields, especially a kind of dynamical pressure radial gas bearing provided.
Background technique
Fluid lubricated bearing plays very important effect in industrial equipment, however by cleanliness, working life, height
The application of the influence of warm high speed etc., fluid lubricated bearing is restricted, and is obtained using the gas bearing of gas lubrication technology
It rapidly develops.
Gas bearing improves the gas pressure in its gap using gas viscosity, and floats rotor, by its work original
Reason can be divided into hydrostatic gas-lubricated bearing and two kinds of hydrodynamic gas-lubricated bearing.Hydrostatic gas-lubricated bearing provides high pressure gas using external air source,
Additional air supply system is needed, increases the complexity of total system, while air supply system compression generates high pressure gas, makes system
Economy reduce, limit the application range of hydrostatic gas-lubricated bearing.When hydrodynamic gas-lubricated bearing is using pivot, bearing wedge
The gas film pressure that viscous gas generates in shape gap carrys out bearing load, and maximum feature is not need additional air supply system,
Structure is simple, has expanded the application field of gas bearing, especially turbocharger, aircraft gas turbine, space turbine expansion
The aerospace fields such as machine.
Whether deformed according to bearing surface, hydrodynamic gas-lubricated bearing can be divided into rigid surface gas bearing and flexible surface gas
Bearing.Rigid bearing is higher to assembly precision and requirement on machining accuracy, and installation centering difficulty is big, and bearing operation stability is low, easily
Unstable phenomenon occurs.Flexible surface gas bearing, i.e. foil gas bearing generally use bearing of the metal foil as bearing
Face, flexible surface are conducive to the formation in air film gap.When shaft load changes, flexible surface gas bearing can occur
Adaptability deformation is to adjust air film gap, it is established that the air-film thickness to match with load makes bearing have preferable high speed steady
It is qualitative.Meanwhile this characteristic of flexible surface gas bearing, so that there are certain thermal deformations, machinery for shaft and bear box
It deforms and misaligns, reduce the machining accuracy and assembly precision of bearing and shaft, therefore, flexible surface gas bearing is in high speed
It is used widely in rotating machinery.
However due to the limitation of structure, the rigidity of structure of existing flexible surface gas bearing is uneven, load adaptation range
Small, there are very big relationship, and existing flexible surface gas in the case where structure is complicated, required precision is high, the performance and installation of bearing
Body bearing mnanufacture is difficult, and the determination from design criteria to structure size need to carry out a large amount of work.
Summary of the invention
The object of the present invention is to provide a kind of dynamical pressure radial gas bearing provided, exist to solve existing flexible surface gas bearing
The rigidity of structure is uneven, problem that load adaptation range is small.
In order to achieve the above objectives, the present invention proposes a kind of dynamical pressure radial gas bearing provided comprising bearing block and is set to described
At least one set of paillon component of bearing block inner circumferential side；Paillon component described in every group include along the bearing block radial direction from outside to inside
First wave paillon, the first flat paillon, the second wave paillon and the second flat paillon being sequentially stacked, one end of the first wave paillon,
One end of one end of the first flat paillon, one end of the second wave paillon and the second flat paillon is both with respect to the axis
Seat is held to fix, the other end of the first wave paillon, the other end of the first flat paillon, the second wave paillon the other end
The other end with the described second flat paillon is free end.
It is as described above dynamical pressure radial gas bearing provided, wherein described dynamical pressure radial gas bearing provided including paillon described in multiple groups
Component, paillon component described in multiple groups are alternatively arranged along the circumferencial direction of the bearing block.
It is as described above dynamical pressure radial gas bearing provided, wherein it is described it is dynamical pressure radial gas bearing provided include paillon described in one group
Component.
It is as described above dynamical pressure radial gas bearing provided, wherein the first flat paillon and the second flat paillon are along institute
The inner wall for stating bearing block extends；The first wave paillon has alternately multiple first protrusion sections of connection and multiple First Transitions
Section, each First Transition section are bonded with the inner wall of the bearing block, and each first protrusion section protrudes from first mistake
Cross the first flat paillon contact described in Duan Bingyu；The second wave paillon has alternately multiple second protrusion sections of connection and multiple the
Two changeover portions, each second changeover portion are bonded with the described second flat paillon, and each second protrusion section protrudes from described second
Changeover portion is simultaneously contacted with the described first flat paillon.
It is as described above dynamical pressure radial gas bearing provided, wherein the first protrusion section is arc-shaped, and the first protrusion section is certainly
The First Transition section connected to it is prominent towards the described first flat paillon, the top of the first protrusion section and described first flat
Paillon contact；The second protrusion section is arc-shaped, and the second protrusion section is from second changeover portion connected to it towards described
First flat paillon is prominent, and the top of the second protrusion section is contacted with the described first flat paillon.
It is as described above dynamical pressure radial gas bearing provided, wherein the first protrusion section and the second protrusion Duan Juncheng half
It is arc-shaped.
It is as described above dynamical pressure radial gas bearing provided, wherein the second mistake of the second wave paillon of paillon component described in every group
Section is crossed to be fixedly connected with the second flat paillon.
It is as described above dynamical pressure radial gas bearing provided, wherein the quantity of the first protrusion section of paillon component described in every group with
The quantity of second protrusion section is equal, and each first protrusion section and each second protrusion section of paillon component described in every group are in the bearing block
One-to-one correspondence in the radial direction；The quantity phase of the quantity of the First Transition section of paillon component described in every group and the second changeover portion
Deng each First Transition section of, paillon component described in every group and each second changeover portion in the one a pair of in the radial direction of the bearing block
It answers.
It is as described above dynamical pressure radial gas bearing provided, wherein one end of the second flat paillon, the second wave paillon
One end of one end, one end of the first flat paillon and the first wave paillon bends and is sequentially connected, the bearing block
Open up fluted on inner wall, one end of the first wave paillon is embedded in the groove, and is fixed with the inner wall of the groove
Connection.
It is as described above dynamical pressure radial gas bearing provided, wherein there is the installation passed through for shaft on the inside of the paillon component
Space has gap between the second flat paillon of the paillon component and the shaft.
Dynamical pressure radial gas bearing provided feature and advantage of the invention be：
1, it is of the invention it is dynamical pressure radial gas bearing provided be equipped with two layers of wave paillon, separated between two layers of wave paillon by flat paillon,
When work, the deformation and sliding of innermost second flat paillon can make load transfer to the second wave paillon, and the second wave paillon again will
Load transfer is to the first flat paillon, and suffered power can be evenly transferred on first wave paillon by the first flat paillon, first wave foil
Piece by load transfer to bearing block, by the way that multilayer paillon is arranged, can generate large range of deformation and sliding, shaft and axis again
It holds and forms pressure and air-film thickness distribution between the flat foil of most inner side (the second flat paillon), to obtain the uniform rigidity of structure and good
Good damping characteristic, adapts to large range of load change；
2, of the invention dynamical pressure radial gas bearing provided, multi-segment structure, two adjacent groups foil are formed using multiple groups paillon component
Gap between piece component can receive a degree of amount of elastic deformation, therefore can further increase bearing capacity, adapt to
Larger range of load change, and the structure setting of multisection type is also easily accessible for service replacement, after the damage of part paillon, only needs more
Undamaged portion is changed, integral replacing is not needed, save the cost extends the bulk life time of equipment；
3, structure setting that is of the invention dynamical pressure radial gas bearing provided, being stacked using multilayer paillon, structure is simple, and precision is wanted
It asks low, is easy production, is easily installed, it is at low cost.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the schematic diagram of dynamical pressure radial gas bearing provided one embodiment of the invention；
Fig. 2 is the schematic diagram of one embodiment of paillon component in the present invention.
Main element label declaration：
1 bearing block
2 paillon components
21 211 first protrusion section of first wave paillon, 212 First Transition section
22 first flat paillons
23 second wave paillon, 231 second protrusion section, 232 second changeover portion
24 second flat paillons
3 gaps
100 shafts
200 gaps
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.
As shown in Figure 1, the present invention propose it is a kind of dynamical pressure radial gas bearing provided comprising cylindric bearing block 1 (or is
Bearing holder (housing, cover)) and at least one set of paillon component 2 set on 1 inner circumferential side of bearing block, every group of paillon component 2 includes the diameter along bearing block 1
To first wave paillon 21, the first flat paillon 22, the second wave paillon 23 and the second flat paillon 24 being sequentially stacked from outside to inside, first
One end of wave paillon 21, one end of the first flat paillon 22, one end of one end of the second wave paillon 23 and the second flat paillon 24 are opposite
It is fixed in bearing block 1, it is fixing end, the other end of first wave paillon 21, the other end of the first flat paillon 22, the second wave paillon
The other end of 23 other end and the second flat paillon 24 can slide relative to bearing block 1, be free end.
Wherein, the installation space passed through for shaft 100, the flat paillon 24 of the second of paillon component 2 are formed on the inside of paillon component 2
There is gap 200 between shaft 100, when work, form air film in the gap 200, shaft is supported by gas film pressure
100。
It is of the invention it is dynamical pressure radial gas bearing provided be equipped with 23 two layers of wave paillon of first wave paillon 21 and the second wave paillon, two layers
It is separated between wave paillon by the first flat paillon 22, when work, the gap between shaft 100 and innermost second flat paillon 24
Air film is formed in 200, and pressure is applied to the second flat paillon 24, and the deformation and sliding of the second flat paillon 24 can be such that load transfer arrives
Second wave paillon 23, for the second wave paillon 23 again by load transfer to the first flat paillon 22, the first flat paillon 22 can will be suffered
Power is evenly transferred on first wave paillon 21, and first wave paillon 21 again will be in load transfer to bearing block 1.The present invention passes through setting
Multilayer paillon can generate large range of deformation and sliding, shaft 100 and the flat foil of bearing most inner side (the second flat paillon 24) it
Between formed pressure and air-film thickness distribution, to obtain the uniform rigidity of structure, adapt to large range of load change.
As shown in Figure 1, in a preferred embodiment, dynamical pressure radial gas bearing provided includes multiple groups paillon component 2, also
It is paillon component 2 more than two, multiple groups paillon component 2 is alternatively arranged along the circumferencial direction of bearing block 1, i.e. two adjacent groups paillon group
There is gap 3 between part 2.
In the present embodiment, multiple groups paillon component 2 forms multi-segment structure, and the gap 3 between two adjacent groups paillon component 2 can
To receive a degree of amount of elastic deformation, therefore bearing capacity can be further increased, and the structure setting of multisection type is also just
It is replaced in maintenance, after the damage of part paillon, only needs to change undamaged portion, do not need integral replacing, save the cost extends
The bulk life time of equipment.
But the present invention is not limited thereto, and dynamical pressure radial gas bearing provided can also only include one group of paillon component 2, this group of foil
The length of piece component 2 is longer, and for length close to the perimeter of 1 inner wall of bearing block, the both ends of this group of paillon component 2 are adjacent, and
There is gap between both ends.
As shown in Figure 1 and Figure 2, in a specific embodiment, the first flat paillon 22 and the second flat paillon 24 are along bearing block
1 inner wall extends, that is, along the circumferentially extending of bearing block 1, the smooth surface of the first flat paillon 22 and the second flat paillon 24；
The multiple first protrusion sections 211 and multiple First Transition sections 212 that there is first wave paillon 21 alternating to connect, each first
Changeover portion 212 is bonded with the inner wall of bearing block 1, each first protrusion section 211 protrude from First Transition section 212 and with the first flat foil
Piece 22 contacts；
The multiple second protrusion sections 231 and multiple second changeover portions 232 that there is second wave paillon 23 alternating to connect, each second
Changeover portion 232 is bonded with the second flat paillon 24, each second protrusion section 231 protrude from the second changeover portion 232 and with the first flat paillon
22 contacts.
In the present embodiment, the second protrusion section 231 of the first protrusion section 211 and the second wave paillon 23 of first wave paillon 21
Projected direction is on the contrary, i.e. first wave paillon 21 is with the setting direction of the second wave paillon 23 on the contrary, first wave paillon 21 is alternatively referred to as
Forward wave paillon, the second wave paillon 23 is alternatively referred to as backward-wave paillon can be into one using the composite structure of positive and negative wave paillon
Step improves paillon bearing capacity, makes full use of deformation and the sliding of backward-wave paillon elastic wave foil to adjust the rigidity and resistance of bearing
Buddhist nun improves the stiffness characteristics of bearing, and the load range being suitable for is larger；Uniform load can be transmitted to by the first flat paillon 22
On one wave paillon 21, the advantages of having given full play to flat paillon, so that bearing surface distribution of force is uniform.
As shown in Fig. 2, further, the first protrusion section 211 is arc-shaped, there is preferable elasticity, the first protrusion section 211 from
Its First Transition section 212 connected is prominent towards the first flat paillon 22, and the top of the first protrusion section 211 connects with the first flat paillon 22
Touching；
Second protrusion section 231 is arc-shaped, has preferable elasticity, and the second protrusion section 231 is from the second transition connected to it
Section 232 is prominent towards the first flat paillon 22, and the top of the second protrusion section 231 is contacted with the first flat paillon 22.
Again as shown in Fig. 2, further, the first protrusion section 211 and the second protrusion section 231 are in semicircular arc, elasticity compared with
Greatly, deformation range is bigger, and the load range that further expansion is suitable for further increases the bearing capacity of wave paillon.
Further, the second changeover portion 232 of the second wave paillon 23 of every group of paillon component 2 and the fixed company of the second flat paillon 24
It connects, such as each second changeover portion 232 and the second flat paillon 24 weld.
As shown in Fig. 2, further, the first protrusion section 211 and First Transition section 212 of every group of paillon component 2 are along bearing block 1
Circumferential direction be alternately arranged, the second protrusion section 231 of every group of paillon component 2 and the second changeover portion 232 along bearing block 1 circumferential direction alternately
Arrangement；
The quantity of first protrusion section 211 of every group of paillon component 2 is equal with the quantity of the second protrusion section 231, every group of paillon
In the radial direction one-to-one correspondence (face) of each first protrusion section 211 and each second protrusion section 231 of component 2 in bearing block 1；
The quantity of the First Transition section 212 of every group of paillon component 2 is equal with the quantity of the second changeover portion 232, every group of paillon
The one-to-one correspondence in the radial direction (face) of each First Transition section 212 of component 2 and each second changeover portion 232 in bearing block 1.
In the embodiment shown in fig. 1, one end of the second flat paillon 24, one end of the second wave paillon 23, the first flat foil
One end of piece 22 and one end of first wave paillon 21 are rolled over towards the centrifugation lateral bending of bearing block 1, and are in turn connected to form interconnecting piece, axis
Hold opened up on the inner wall of seat 1 it is fluted, in one end of first wave paillon 21 insertion groove, and with the inner wall of groove is fixed connects
It connects, specifically, one end and the groove of first wave paillon 21 match, and are welded on the inner wall of groove.
Further, first wave paillon 21, the first flat paillon 22 and the second wave paillon 23 connect into an entirety by pin,
Specifically, pin is embedded into bearing block 1.
It is of the invention it is dynamical pressure radial gas bearing provided compared with prior art, have uniform rigidity, excellent damping characteristic and
Bigger load adaptation range.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, under the premise of not departing from design and the principle of the present invention made by equivalent changes and modifications, should all
Belong to the scope of protection of the invention.And it should be noted that each component part of the invention is not limited in above-mentioned entirety answers
With, each technical characteristic described in specification of the invention can select according to actual needs one individually use or select it is multinomial
Combine use, and therefore, the present invention covers other combinations related with this case inventive point and concrete application in the nature of things.
Claims (10)
1. a kind of dynamical pressure radial gas bearing provided, which is characterized in that described dynamical pressure radial gas bearing provided including bearing block and set on institute
State at least one set of paillon component of bearing block inner circumferential side；
Paillon component described in every group includes the first wave paillon being sequentially stacked from outside to inside along the radial direction of the bearing block, first flat
Paillon, the second wave paillon and the second flat paillon, one end of the first wave paillon, one end of the first flat paillon, described
One end of two wave paillons and one end of the second flat paillon are fixed both with respect to the bearing block, the first wave paillon it is another
One end, the other end of the first flat paillon, the other end of the other end of the second wave paillon and the second flat paillon are equal
For free end.
2. as described in claim 1 dynamical pressure radial gas bearing provided, which is characterized in that described dynamical pressure radial gas bearing provided including more
The paillon component is organized, paillon component described in multiple groups is alternatively arranged along the circumferencial direction of the bearing block.
3. as described in claim 1 dynamical pressure radial gas bearing provided, which is characterized in that it is described it is dynamical pressure radial gas bearing provided include one
The group paillon component.
4. as described in any one of claims 1 to 3 dynamical pressure radial gas bearing provided, which is characterized in that the first flat paillon and
The second flat paillon extends along the inner wall of the bearing block；
The first wave paillon has the multiple first protrusion sections and multiple First Transition sections of alternately connection, each First Transition
Section is bonded with the inner wall of the bearing block, and it is flat that each first protrusion section protrudes from described in the First Transition Duan Bingyu first
Paillon contact；
The second wave paillon has alternately multiple second protrusion sections of connection and multiple second changeover portions, each second transition
Section be bonded with the described second flat paillon, each second protrusion section protrude from second changeover portion and with the described first flat paillon
Contact.
5. as claimed in claim 4 dynamical pressure radial gas bearing provided, which is characterized in that the first protrusion section is arc-shaped, described
First protrusion section prominent, top of the first protrusion section from the First Transition section connected to it towards the described first flat paillon
It is contacted with the described first flat paillon；
The second protrusion section is arc-shaped, and the second protrusion section is flat towards described first from second changeover portion connected to it
Paillon is prominent, and the top of the second protrusion section is contacted with the described first flat paillon.
6. as claimed in claim 4 dynamical pressure radial gas bearing provided, which is characterized in that the first protrusion section and described second is dashed forward
Play Duan Juncheng semicircular arc.
7. as claimed in claim 4 dynamical pressure radial gas bearing provided, which is characterized in that the second wave foil of paillon component described in every group
Second changeover portion of piece is fixedly connected with the second flat paillon.
8. as claimed in claim 4 dynamical pressure radial gas bearing provided, which is characterized in that the first protrusion of paillon component described in every group
The quantity of section is equal with the quantity of the second protrusion section, and each first protrusion section and each second protrusion section of paillon component described in every group exist
The one-to-one correspondence in the radial direction of the bearing block；
The quantity of the First Transition section of paillon component described in every group is equal with the quantity of the second changeover portion, paillon component described in every group
Each First Transition section and each second changeover portion the bearing block one-to-one correspondence in the radial direction.
9. as described in any one of claims 1 to 3 dynamical pressure radial gas bearing provided, which is characterized in that the second flat paillon
One end, one end of the second wave paillon, one end of the first flat paillon and one end of the first wave paillon are bent simultaneously
It being sequentially connected, opens up fluted on the inner wall of the bearing block, one end of the first wave paillon is embedded in the groove, and
It is fixedly connected with the inner wall of the groove.
10. as described in any one of claims 1 to 3 dynamical pressure radial gas bearing provided, which is characterized in that on the inside of the paillon component
With the installation space passed through for shaft, there is gap between the second flat paillon of the paillon component and the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883127.0A CN108843685A (en) | 2018-08-06 | 2018-08-06 | It is a kind of dynamical pressure radial gas bearing provided |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883127.0A CN108843685A (en) | 2018-08-06 | 2018-08-06 | It is a kind of dynamical pressure radial gas bearing provided |
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|---|---|
| CN108843685A true CN108843685A (en) | 2018-11-20 |
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Family Applications (1)
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|---|---|---|---|
| CN201810883127.0A Pending CN108843685A (en) | 2018-08-06 | 2018-08-06 | It is a kind of dynamical pressure radial gas bearing provided |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723720A (en) * | 2019-02-01 | 2019-05-07 | 西安交通大学 | A kind of elastic supporting mechanism and kinetic pressure gas thrust bearing |
| CN109854612A (en) * | 2019-02-01 | 2019-06-07 | 西安交通大学 | A kind of resilient support assemblies and kinetic pressure gas transverse bearing |
| CN109915477A (en) * | 2019-02-01 | 2019-06-21 | 西安交通大学 | A kind of multi stage resilient support component and kinetic pressure gas transverse bearing |
| CN115163656A (en) * | 2022-07-12 | 2022-10-11 | 大连理工大学人工智能大连研究院 | Effectual air dynamic pressure foil bearing of pressure-bearing |
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| CN109915477A (en) * | 2019-02-01 | 2019-06-21 | 西安交通大学 | A kind of multi stage resilient support component and kinetic pressure gas transverse bearing |
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| CN115163656B (en) * | 2022-07-12 | 2024-02-27 | 大连理工大学人工智能大连研究院 | Air dynamic pressure foil bearing with good pressure bearing effect |
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