CN108730330A - The method of adjustment of compliant foil air bearing and its rigidity and damping - Google Patents
The method of adjustment of compliant foil air bearing and its rigidity and damping Download PDFInfo
- Publication number
- CN108730330A CN108730330A CN201810901604.1A CN201810901604A CN108730330A CN 108730330 A CN108730330 A CN 108730330A CN 201810901604 A CN201810901604 A CN 201810901604A CN 108730330 A CN108730330 A CN 108730330A
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- Prior art keywords
- foil
- compliant foil
- compliant
- bearing
- assembly set
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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
Abstract
The invention belongs to air bearing technology field more particularly to the methods of adjustment of a kind of compliant foil air bearing and its rigidity and damping.The bearing includes bearing block, support component and flat foil, flat foil coaxial package is in bearing block, support component is assemblied between bearing block peace foil, support component includes assembly set and multiple compliant foils, assembly is set on the inner wall of bearing block, multiple compliant foils are arranged on the inner wall of assembly set, and flat foil is supported by multiple compliant foils.The present invention is by adjusting the width of compliant foil, density, thickness and combination, then is assembled in assembly covers, you can realizes the rigidity of compliant foil air bearing and the adjustment of damping.The present invention can shorten its R&D cycle, and reduce manufacturing cost.
Description
Technical field
The invention belongs to air bearing technology field more particularly to a kind of compliant foil air bearing and its rigidity and resistances
The method of adjustment of Buddhist nun.
Background technology
Compliant foil air bearing is a kind of novel elastic bearing self-acting air bearing, and Fig. 1 is the elasticity of the prior art
The structural schematic diagram of foil air bearing, referring to Fig. 1, the compliant foil air bearing include bearing block 1, support component 2 and
Flat foil 3,3 coaxial package of flat foil is in bearing block 1, and support component 2 is assemblied between 1 peace foil 3 of bearing block, and 4 activity of shaft is set
It sets in flat foil 3.
With the rotation of shaft, it is squeezed into the gap between flat foil 3 and shaft 4 with the air of shaft contacts, when shaft 4
After reaching certain rotating speed, gas dynamic pressure power is will produce between shaft peace foil, air film is formed between shaft peace foil.In bearing
In the course of work, the elastic support structure that support component 2 is formed with flat foil 3 adaptive can be deformed, and make the gas of bearing
Film thickness increases, and work is more stablized.The rotating machinery for being equipped with compliant foil air bearing does not need additional lubricating system, drops
The low complexity of system, improves economy and reliability.Relative to traditional air hydrodynamic bearing, compliant foil air axis
It holds with advantages such as large carrying capacity, high, the service life length of bearing stability.
Rigidity and damping are the important performance characteristics of bearing, directly affect the stability of rotor-support-foundation system, and compliant foil is empty
What the rigidity of gas bearing and damping were determined by the elastic support structure that support component 2 and flat foil 3 are formed, reasonably it is distributed axis
The support stiffness held increases structural damping, is the key that the design of compliant foil air bearing.
In the implementation of the present invention, it is found by the applicant that at least having the following deficiencies in the prior art:
In the prior art, determining per the rigidity of a kind of compliant foil air bearing and damping, if desired different-stiffness and
The compliant foil air bearing of damping then needs the rigidity according to compliant foil air bearing leaved for development and damping, develops again
The mold of a set of elastic support structure.But the manufacturing process of mould development is complicated, and the period is long, and inefficiency, therefore, need to be to existing
There is technology to be improved.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of compliant foil air bearing and its rigidity and
The method of adjustment of damping.
The present invention is achieved through the following technical solutions above-mentioned purpose:
On the one hand, the present invention provides a kind of compliant foil air bearing, the bearing include bearing block, support component with
And flat foil, for the flat foil coaxial package in the bearing block, the support component is assemblied in the bearing block and the flat foil
Between, the support component includes assembly set and multiple compliant foils, and multiple compliant foil settings are covered in the assembly
Inner wall on, the flat foil passes through multiple compliant foils supports.
Further, each compliant foil is arc-shaped, and one end of each compliant foil is fixed at
The assembly is put on, and the flat foil is supported by the other end of each compliant foil.
Preferably, multiple compliant foils are provided with multiple rows of along the axial direction for being parallel to the bearing block.
Preferably, the one end for often arranging each of described compliant foil compliant foil is respectively positioned on and is parallel to the bearing
On the same straight line of the central shaft of seat.
Preferably, it often arranges the compliant foil and is divided into first kind compliant foil and Second Type compliant foil, described
One end of one type compliant foil and the Second Type compliant foil interlaced arrangement, each first kind compliant foil is equal
It is located parallel on the straight line of the central shaft of the bearing block, the equal position in one end of each Second Type compliant foil
In on the Article 2 straight line for the central shaft for being parallel to the bearing block, the first straight line and the second straight line are different straight
Line.
Preferably, the central angle of each compliant foil is 15 °~60 °.
Further, the axial direction for set being assembled described in the outer wall upper edge of the assembly set is provided with more than one locating slot;
The axial direction of bearing block described in the inner wall upper edge of the bearing block is provided with more than one positioning protrusion, the positioning
Protrusion is correspondingly arranged in the locating slot.
Further, there are two the locating slot settings, two locating slots are with the central shaft of the assembly set
Center is oppositely arranged;
There are two the positioning protrusion is also provided with, two positioning protrusion phase centered on the central shaft of the bearing block
To setting.
Preferably, the locating slot and the positioning protrusion are in mutually matched arc.
On the other hand, described the present invention also provides a kind of rigidity of compliant foil air bearing and damping method of adjustment
Method includes:
There is provided the compliant foil of different in width, provide along the circumferential upper different densities of the assembly set compliant foil or/and
The compliant foil for providing different-thickness by the compliant foil provided assembly in assembly set, and will be equipped with elastic foil
The assembly set of piece is assemblied between bearing block and flat foil, realizes the adjustment of the circumferential rigidity of bearing;
Compliant foil be located in the axial direction of the assembly set and different-stiffness parameter, the elastic foil that will be provided are provided
Piece is assemblied in assembly set, and the assembly set assembly for being equipped with compliant foil is realized bearing between bearing block and flat foil
The adjustment of the rigidity of axial arbitrary point;
The compliant foil in multiple regions is provided, and the height of the compliant foil of different zones is different, the bullet that will be provided
Property paillon be assemblied in assembly set in, and by be equipped with compliant foil assembly set assembly between bearing block and flat foil, realize
The adjustment of the rigidity of bearing radially;
Multiple rows of compliant foil is provided, by the assembly of multiple rows of compliant foil in assembly set, the elastic foil of same row in assembly set
Adjacent compliant foil interlaced arrangement in piece, and will be equipped with the assembly set assembly of compliant foil bearing block and flat foil it
Between, realize the adjustment of the damping of bearing.
The beneficial effects of the invention are as follows:
A kind of compliant foil air bearing provided by the present invention, support component therein as elastic support structure, by
Include assembly set and multiple compliant foils in support component, assembly set is fixed on the inner wall of bearing block, multiple compliant foils
It being fixed on the inner wall of assembly set, flat foil is supported by multiple compliant foils, therefore, the if desired elasticity of different-stiffness and damping
When foil air bearing, it is only necessary to which the compliant foil for selecting different in width, density, thickness or combination is assembled to assembly set
In, then assembly set is assembled between bearing block peace foil again, you can obtain different-stiffness and the bearing of damping, do not need
Redevelopment manufactures entire elastic support structure mold, solves and is needed in the prior art from the entire resilient support knot of manufacture newly developed
Structure mold, causes manufacturing cost to increase, and the manufacturing cycle lengthens, the low technical problem of manufacture efficiency.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram of the compliant foil air bearing of the prior art;
Fig. 2 is a kind of structural schematic diagram of compliant foil air bearing of the embodiment of the present invention;
Fig. 3 is the positive structure diagram of Fig. 2;
Fig. 4 is the structural schematic diagram of the support component in Fig. 2;
Fig. 5 is a kind of structural schematic diagram of the support component in the embodiment of the present invention;
Fig. 6 is another structural schematic diagram of the support component in the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 2 is a kind of structural schematic diagram of compliant foil air bearing of the embodiment of the present invention, and Fig. 3 faces knot for Fig. 2's
Structure schematic diagram, Fig. 4 are the structural schematic diagram of the support component in Fig. 2 referring to Fig. 2, Fig. 3 and Fig. 4, the axis of the embodiment of the present invention
It contracts and includes bearing block 1, support component 2 and flat foil 3, for 3 coaxial package of flat foil in bearing block 1, support component 2 is assemblied in bearing
Between 1 peace foil 3 of seat.Fig. 3 is the structural schematic diagram of the support component in Fig. 2, in conjunction with Fig. 2 and Fig. 3, the branch of the embodiment of the present invention
Support component 2 includes assembly set 2.1 and multiple compliant foils 2.2, and assembly set 2.1 is arranged on the inner wall of bearing block 1, multiple bullets
Property paillon 2.2 be arranged assembly set 2.1 inner wall on, flat foil 3 pass through multiple compliant foils 2.2 support.
In the embodiment of the present invention, after there is compliant foil 2.2 elasticity, shaft to be assemblied in flat foil 3, in the mistake of shaft rotation
Cheng Zhong, the elastic support structure that support component is formed with flat foil adaptive can be deformed, and the air-film thickness of bearing is made to increase
Add, work is more stablized.
Further, in the embodiment of the present invention, each compliant foil 2.2 is arc-shaped, one end of each compliant foil 2.2
It is fixed on assembly set 2.1, flat foil 3 is supported by the other end of each compliant foil 2.2, realizes the elasticity to flat foil
Support.
In the embodiment of the present invention, multiple compliant foils 2.2 can be provided with along the axial direction for being parallel to bearing block 1 it is multiple rows of, it is more
Row compliant foil 2.2 around bearing block 1 central shaft it is equiangularly spaced be arranged assembly set 2.1 inner wall on.
A kind of structural schematic diagram that Fig. 5 is the support component in the embodiment of the present invention is tied, in conjunction with Fig. 5, the embodiment of the present invention
A kind of realization method be:Often one end of each compliant foil 2.2 in row's compliant foil 2.2, which is respectively positioned on, is parallel to bearing block 1
Central shaft same straight line on.
Fig. 6 is another structural schematic diagram of the support component in the embodiment of the present invention, in conjunction with Fig. 6, the embodiment of the present invention
Another realization method be:Often the compliant foil 2.2 of row's compliant foil 2.2 divides for first kind compliant foil and Second Type
Compliant foil, first kind compliant foil and Second Type compliant foil interlaced arrangement, the one of each first kind compliant foil
End is respectively positioned on the straight line for the central shaft for being parallel to bearing block 1, and one end of each Second Type compliant foil is respectively positioned on
It is parallel on the Article 2 straight line of the central shaft of bearing block 1, and straight line and Article 2 straight line are not same straight line.
Certainly, a kind of arrangement of above-mentioned only compliant foil 2.2, certainly, multiple rows of compliant foil 2.2 can also be around axis
The central shaft of bearing 1 it is non-it is equiangularly spaced be arranged on the inner wall of assembly set 2.1, alternatively, 2.2 undulate of compliant foil is arranged
On the inner wall of assembly set 2.1, i.e., the arrangement of compliant foil 2.2 can be carried out according to rigidity to be achieved or/and damping
Actual arrangement, the embodiment of the present invention are without limitation.
Preferably, in the embodiment of the present invention, the central angle of each compliant foil 2.2 is 15 °~60 °, under such angle
The support effect of elastic support structure countershaft is preferable.
In the embodiment of the present invention, assembly set 2.1 can be interference fitted on the inner wall of bearing block 1, naturally it is also possible to be used
The mode of key connection, screw connection or welding is by 2.1 assembly of assembly set on the inner wall of bearing block 1, and the embodiment of the present invention is to this
It is not restricted.
Further, in the embodiment of the present invention, in conjunction with Fig. 2, Fig. 3 and Fig. 4, the outer wall upper edge assembly set 2.1 of assembly set 2.1
Axial direction be provided with more than one locating slot 2.3, correspondingly, the axial direction of the inner wall upper edge bearing block 1 of bearing block 1 is provided with one
A above positioning protrusion 1.1, positioning protrusion 1.1 are correspondingly arranged in locating slot 2.3, positioning protrusion 1.1 and locating slot 2.3
It cooperates, guiding can be provided for the assembly of assembly set 2.1, facilitate installation.
Further, there are two the quantity settings of the locating slot 2.3 of the embodiment of the present invention, two locating slots 2.3 are to fill
It is oppositely arranged centered on mating 2.1 central shaft, correspondingly, there are two positioning protrusion 1.1 is also provided with, two positioning protrusion 1.1
It is oppositely arranged centered on the central shaft of bearing block 1.
Preferably, the locating slot 2.3 and positioning protrusion 1.1 of the embodiment of the present invention can be in mutually matched arc, in this way
Installation of the positioning protrusion 1.1 in locating slot 2.3 can be facilitated.
The compliant foil air bearing of the embodiment of the present invention, before assembly, can be one has assembly set 2.1 therein
Compliant foil 2.2 is first arranged sequentially according to set on assembly set 2.1, rectangle carries by the rectangular support of elasticity in assembly
The both sides of body are welded to form a column after, by the cooperation of locating slot 2.3 and positioning protrusion 1.1,2.1 assembly of assembly set is existed
On the inner wall of bearing block 1.
The compliant foil air bearing of the embodiment of the present invention, assembly set 2.1 therein before assembly, can also multiple bulks
Carrier, each compliant foil 2.2 are installed on a block carrier, in assembly, are first mounted on compliant foil 2.2 and are corresponded to
Block carrier on, then by locating slot 2.3 and positioning protrusion 1.1 cooperation, by block carrier assembly in bearing block 1
On wall.
A kind of compliant foil air bearing that the embodiment of the present invention is provided, support component therein are tied as resilient support
Structure, since support component includes assembly set and multiple compliant foils, assembly is set on the inner wall of bearing block, multiple elasticity
Paillon is provided with multiple rows of, central shaft equiangularly spaced setting of multiple rows of compliant foil around bearing block along the axial direction for being parallel to bearing block
On the inner wall of assembly set, flat foil is supported by multiple compliant foils, in this way the adjustment width of compliant foil, density, thickness with
And combination, then assembled in assembly covers, you can realize the adjustment of rigidity and damping, compared with the prior art in
Bearing rigidity and damping are adjusted by the method from the entire elastic support structure mold of manufacture newly developed, the present invention only needs
It is previously fabricated go out various sizes compliant foil, the rigidity further according to bearing and damping, select suitable compliant foil to be assembled
, its R&D cycle can be shortened, and reduce manufacturing cost.
In the embodiment of the present invention, the density of the width of compliant foil, circumferentially compliant foil and the thickness of compliant foil
The rigidity for determining each supporting point, it is every by increasing the width of elastic bumps, the number for increasing elastic bumps and increase
The increase of support stiffness may be implemented in the thickness of a piece of elastic piece, otherwise can reduce support stiffness.
Specifically:
The compliant foil 2.2 of different in width (i.e. along the radial length of assembly set 2.1) is provided, is provided along assembly set 2.1
The bullet of the compliant foil 2.2 of different densities or/and offer different-thickness (i.e. along the axial length of assembly set 2.1) in circumferential direction
Property paillon 2.2, by the compliant foil 2.2 provided assembly in assembly set 2.1, and the assembly that compliant foil 2.2 will be equipped with
Set 2.1 is assemblied between bearing block 1 and flat foil 3, realizes the adjustment of the circumferential rigidity of bearing;
Compliant foil 2.2 be located in the axial direction of assembly set 2.1 and different-stiffness parameter, the elasticity that will be provided are provided
Paillon 2.2 is assemblied in assembly set 2.1, and 2.1 assembly of assembly set for being equipped with compliant foil 2.2 in bearing block 1 and is put down
Between foil 3, the adjustment of the rigidity of bearing axial direction arbitrary point is realized;
The compliant foil 2.2 in multiple regions is provided, and the height of the compliant foil 2.2 of different zones is different, will be carried
The compliant foil 2.2 of confession is assemblied in assembly set 2.1, and will be equipped with 2.1 assembly of assembly set of compliant foil 2.2 in bearing block
Between 1 and flat foil 3, the adjustment of the rigidity of bearing radially is realized, such as:By singular compliant foil 2.2 and even numbers elastic foil
Piece 2.2 is designed to different height, it can be achieved that bearing is in radial stiffness variation, can be larger with height when shaft displacement is smaller
Elastic bumps (singular piece or even numbers piece) contact, the elasticity of two kinds of height will be touched simultaneously after the displacement of shaft increases
Paillon 2.2 (even numbers piece or singular piece), to realize the stiffness variation in radial direction, and so on can be arranged to 3 grades
Even more rigidities.
Multiple rows of compliant foil 2.2 is provided, it is same in assembly set 2.1 by the assembly of multiple rows of compliant foil 2.2 in assembly set 2.1
Adjacent 2.2 interlaced arrangement of compliant foil in the compliant foil 2.2 of one row, and the assembly set 2.1 that compliant foil 2.2 will be equipped with
It is assemblied between bearing block 1 and flat foil 3, the structure being arranged so makes compliant foil 2.2 phase of the shaft under certain displacement
To moving displacement maximum, frictional dissipation work(of the elastic support structure in deformation process is improved to greatest extent, and bearing damp
Source be mainly derived from the loss in elastic construction deformation process, so the damping of bearing can carry significantly under such configuration
It is high, you can to adjust the damping of bearing.
By adjusting the circumferential rigidity of bearing and the rigidity of bearing axial direction arbitrary point, you can artificial control bearing is taken up an official post
The stiffness parameters of a bit.
High-precision laser cutting, etching may be used in the research and development test stage in compliant foil 2.2 in the embodiment of the present invention
The methods of manufacture, to shorten the R&D cycle, the mode that high speed stamping may be used in the large-scale production stage manufactures, reduce at
This.
Embodiment provided above is the better embodiment of the present invention, only is used for facilitating illustrating the present invention, not to this hair
It is bright to make any form of restriction, have usually intellectual in any technical field, if not departing from the put forward skill of the present invention
In the range of art feature, using the equivalent embodiment for locally changing or modifying made by disclosed technology contents, and
Without departing from the technical feature content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (10)
1. a kind of compliant foil air bearing, the bearing includes bearing block (1), support component (2) and flat foil (3), described
For flat foil (3) coaxial package in the bearing block (1), the support component (2) is assemblied in the bearing block (1) and the flat foil
(3) between, which is characterized in that
The support component (2) includes assembly set (2.1) and multiple compliant foils (2.2), and the assembly set (2.1) is fixed on
On the inner wall of the bearing block (1), multiple compliant foils (2.2) are fixed on the inner wall of the assembly set (2.1), described
Flat foil (3) is supported by multiple compliant foils (2.2).
2. compliant foil air bearing according to claim 1, which is characterized in that each compliant foil (2.2) is equal
Arc-shaped, one end of each compliant foil (2.2) is fixed on the assembly set (2.1), and the flat foil (3) is logical
Cross the other end support of each compliant foil (2.2).
3. compliant foil air bearing according to claim 2, which is characterized in that multiple compliant foil (2.2) edges
Be parallel to the bearing block (1) axial direction be provided with it is multiple rows of.
4. compliant foil air bearing according to claim 3, which is characterized in that often arrange in the compliant foil (2.2)
Each of one end of the compliant foil (2.2) be respectively positioned on the same straight line for the central shaft for being parallel to the bearing block (1).
5. compliant foil air bearing according to claim 3, which is characterized in that often arrange the compliant foil (2.2) packet
Include first kind compliant foil and Second Type compliant foil, the first kind compliant foil and the Second Type elastic foil
One end of piece interlaced arrangement, each first kind compliant foil is respectively positioned on the central shaft for being parallel to the bearing block (1)
In first straight line, one end of each Second Type compliant foil is respectively positioned on the central shaft for being parallel to the bearing block (1)
In second straight line, the first straight line is different straight lines from the second straight line.
6. compliant foil air bearing according to claim 1, which is characterized in that each compliant foil (2.2)
Central angle is 15 °~60 °.
7. according to claim 1-6 any one of them compliant foil air bearing, which is characterized in that the assembly covers (2.1)
Outer wall upper edge described in assembly set (2.1) axial direction be provided with more than one locating slot (2.3);
The axial direction of bearing block (1) described in the inner wall upper edge of the bearing block (1) is provided with more than one positioning protrusion (1.1),
The positioning protrusion (1.1) is correspondingly arranged in the locating slot (2.3).
8. compliant foil air bearing according to claim 7, which is characterized in that the locating slot (2.3) is provided with two
A, two locating slots (2.3) are oppositely arranged centered on the central shaft of the assembly set (2.1);
There are two the positioning protrusion (1.1) is also provided with, two positioning protrusion (1.1) are with the center of the bearing block (1)
It is oppositely arranged centered on axis.
9. compliant foil air bearing according to claim 7, which is characterized in that the locating slot (2.3) and described fixed
Position raised (1.1) is in mutually matched arc.
10. a kind of rigidity of compliant foil air bearing as described in claim 1 and damping method of adjustment, which is characterized in that
The method includes:
The compliant foil that the compliant foil (2.2) of different in width is provided, the different densities in described assembly set (2.1) circumferential direction are provided
(2.2) or/and provide different-thickness the compliant foil (2.2), the compliant foil provided (2.2) is assemblied in assembly
It covers in (2.1), and the assembly set (2.1) for being equipped with compliant foil (2.2) is assemblied between bearing block (1) and flat foil (3),
Realize the adjustment of the circumferential rigidity of bearing;
Compliant foil (2.2) be located in the axial direction of the assembly set (2.1) and different-stiffness parameter is provided, by what is provided
Compliant foil (2.2) is assemblied in assembly set (2.1), and the assembly set (2.1) for being equipped with compliant foil (2.2) is assemblied in axis
Between bearing (1) and flat foil (3), the adjustment of the rigidity of bearing axial direction arbitrary point is realized;
The compliant foil (2.2) in multiple regions is provided, and the height of the compliant foil (2.2) of different zones is different, will be carried
The compliant foil (2.2) of confession is assemblied in assembly set (2.1), and will be equipped with assembly set (2.1) assembly of compliant foil (2.2)
Between bearing block (1) and flat foil (3), the adjustment of the rigidity of bearing radially is realized;
Multiple rows of compliant foil (2.2) is provided, multiple rows of compliant foil (2.2) is assemblied in assembly set (2.1), assembly set (2.1)
Adjacent compliant foil (2.2) interlaced arrangement in the compliant foil (2.2) of interior same row, and compliant foil (2.2) will be equipped with
Assembly set (2.1) be assemblied between bearing block (1) and flat foil (3), realize the adjustment of the damping of bearing.
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CN111637149A (en) * | 2020-05-27 | 2020-09-08 | 西安交通大学 | Foil gas bearing with elastic damping structure |
CN111664169A (en) * | 2020-06-22 | 2020-09-15 | 珠海格力电器股份有限公司 | Elastic support assembly and radial bearing adopting same |
CN112081817A (en) * | 2020-09-30 | 2020-12-15 | 中车株洲电机有限公司 | Radial gas foil bearing |
CN113090647A (en) * | 2021-03-08 | 2021-07-09 | 湖南大学 | High damping performance air bearing of two arrow head structures based on 3D prints |
CN113803367A (en) * | 2021-11-18 | 2021-12-17 | 天津飞旋科技股份有限公司 | Foil dynamic pressure bearing, casting mold and shaft system |
CN115539501A (en) * | 2022-11-30 | 2022-12-30 | 天津飞旋科技股份有限公司 | Elastic lamination assembly, foil dynamic pressure thrust bearing and rotating mechanical shaft system |
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CN111637149A (en) * | 2020-05-27 | 2020-09-08 | 西安交通大学 | Foil gas bearing with elastic damping structure |
CN111664169A (en) * | 2020-06-22 | 2020-09-15 | 珠海格力电器股份有限公司 | Elastic support assembly and radial bearing adopting same |
CN111664169B (en) * | 2020-06-22 | 2021-07-23 | 珠海格力电器股份有限公司 | Elastic support assembly and radial bearing adopting same |
CN112081817A (en) * | 2020-09-30 | 2020-12-15 | 中车株洲电机有限公司 | Radial gas foil bearing |
CN113090647A (en) * | 2021-03-08 | 2021-07-09 | 湖南大学 | High damping performance air bearing of two arrow head structures based on 3D prints |
CN113090647B (en) * | 2021-03-08 | 2022-03-15 | 湖南大学 | High damping performance air bearing of two arrow head structures based on 3D prints |
CN113803367A (en) * | 2021-11-18 | 2021-12-17 | 天津飞旋科技股份有限公司 | Foil dynamic pressure bearing, casting mold and shaft system |
CN115539501A (en) * | 2022-11-30 | 2022-12-30 | 天津飞旋科技股份有限公司 | Elastic lamination assembly, foil dynamic pressure thrust bearing and rotating mechanical shaft system |
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