CN208534973U - One kind carrying greatly novel thrust air hydrodynamic bearing - Google Patents
One kind carrying greatly novel thrust air hydrodynamic bearing Download PDFInfo
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- CN208534973U CN208534973U CN201821193565.6U CN201821193565U CN208534973U CN 208534973 U CN208534973 U CN 208534973U CN 201821193565 U CN201821193565 U CN 201821193565U CN 208534973 U CN208534973 U CN 208534973U
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Abstract
The utility model discloses one kind to carry novel thrust air hydrodynamic bearing greatly, comprising: thrust substrate is uniformly arranged multiple through-holes thereon;Multiple thrust wave foils comprising the wave foil vertical section in sinusoidal waveform section, wave foil flat segments and the multiple through-holes of insertion;Multiple flat foils of thrust comprising the first flat segments matched with the sinusoidal waveform section of multiple thrust wave foils, the second flat segments matched with the wave foil flat segments of thrust wave foil and the flat foil vertical section being inserted into multiple through-holes;The flat foil of thrust is held on thrust wave foil surface;Multiple locking panels distinguish clasping in multiple through-holes to fasten the flat foil of thrust and thrust wave foil.The locking panel of the utility model, enhances the service life of bearing, while reducing the cost of welding at the problem of well solving welding bring non-dismountable installation.
Description
Technical field
The utility model relates to air hydrodynamic bearing fields, more precisely, the utility model relates to use detachable peace
One kind of the locking panel of dress carries greatly novel thrust air hydrodynamic bearing.
Background technique
Air hydrodynamic foil bearing applies the wave foil-type foil in the military industry fields such as aerospace field, the especially U.S. earliest
Piece bearing is widely used in airborne turbine, automobile turbocharger of the fighter planes such as the civil aircrafts such as Boeing and phantom etc., Korea Spro
State is also applied to air hydrodynamic foil bearing on high-speed centrifugal blower, develops a variety of cfentrifugal blowers and compressor
Deng.But up to the present, air hydrodynamic foil bearing theoretical research and not perfect, the more not design criteria of versatility, it is difficult to
It is standardized as mechanical bearing, seriation, each bearing arrangement and design parameter require individually to carry out studying to open
Hair, verification experimental verification, complex manufacturing technology, exploitation investment is huge, and technological level requires high.Thus some countries all exist in recent years
It is dedicated to developing the foil bearing of respective characteristic, it is desirable to it is mechanical to be successfully applied to all kinds of high rate turbines.At present in high rate turbine
In the paillon formula thrust hydrodynamic gas-lubricated bearing of machinery field application, still it is most widely used with the wave foil-type structure in the U.S..It is this
Wave foil-type bearing includes bearing block, the substrate being connected on bearing block, connects wave paillon on substrate and be arranged in wave paillon
On flat paillon, flat paillon include as bearing working face flat segments, with flat segments be provided with preset height difference welding peace
It fills section and connects flat segments and weld the duty section of construction section, on substrate, the flat segments are set the welding erecting and welding
It sets on wave paillon.This structure has its advantage, but its disadvantage is also obvious: welding construction section welds flat paillon firmly
On substrate, entirety is become, so that any parts damages, will lead to bearing and integrally break down, while being easy to cause thrust shaft
Overall deformation is held, bearing performance is influenced;In addition solder joint is also easy to fall off when by larger frictional force, while also increasing economy
Cost.
Utility model content
One purpose of the utility model is to solve at least the above problems and/or defect, and provide and at least will be described later
The advantages of.
In order to realize these purposes and other advantages according to the present utility model, provides one kind and carry novel thrust sky greatly
Pneumatic pressure bearing, including thrust substrate, are uniformly arranged multiple through-holes thereon;
Multiple thrust wave foils comprising the wave foil vertical section in sinusoidal waveform section, wave foil flat segments and the multiple through-holes of insertion;
Multiple flat foils of thrust comprising the first flat segments for being matched with the sinusoidal waveform section of multiple thrust wave foils, with it is described only
The second flat segments that the wave foil flat segments of push wave foil match and the flat foil vertical section being inserted into multiple through-holes;The flat foil of thrust
It is held on thrust wave foil surface;Multiple locking panels, distinguish clasping in multiple through-holes with fasten the flat foil of the thrust and
Thrust wave foil.
Preferably, the thrust substrate surface has the aperture of multiple fixing bearings, and the aperture is uniformly arranged on institute
State the edge of thrust substrate.
Preferably, the first flat segments and the second flat segments of the flat foil of the thrust have certain angle.
Preferably, the thrust substrate is metal steel substrate, with a thickness of 0.3mm-10mm.
Preferably, the thrust wave foil is 3-8 part, and the flat foil of thrust is identical as the quantity of thrust wave foil.
Preferably, the thrust wave foil is sectorial wave paillon, and the sectorial wave paillon is beryllium-bronze wave paillon, 65 manganese steel
One of wave paillon and GH145/GH4145 high temperature elastomeric alloy wave paillon.
Preferably, the flat foil of the thrust is the flat paillon of beryllium-bronze, the flat paillon of 65 manganese steel and GH145/GH4145 high temperature bullet
One of property flat paillon of alloy.
Preferably, the thrust wave foil is provided with a plurality of notch along thrust wave foil circumferential direction.
The utility model is include at least the following beneficial effects:
(1) the locking panel of the utility model well solves the problem of welded bands carry out non-dismountable installation, enhances axis
The service life held, while reducing the cost of welding.
(2) the second flat segments of the flat foil of thrust match with wave foil flat segments and make jointly with the sinusoidal waveform section of thrust wave foil
Under, increases forced area, play the working effect of the big carrying of bearing.
(3) angle being inserted between the flat foil vertical section in multiple through-holes and the second flat segments of the flat foil of thrust is less than wave foil
The angle between wave foil vertical section in flat segments and the multiple through-holes of insertion, makes the flat foil vertical section of thrust be held in thrust wave foil table
Face guarantees effective operation of bearing working face.
(4) multiple flat foil vertical sections and multiple wave foil vertical sections are held in respectively in multiple through-holes, are designed simply, conveniently,
It is easily installed, reduces cost.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram for carrying novel thrust air hydrodynamic bearing greatly of the utility model;
Fig. 2 is the structural schematic diagram of the thrust wave foil for carrying novel thrust air hydrodynamic bearing greatly of the utility model;
Fig. 3 is the sectional view of the thrust wave foil for carrying novel thrust air hydrodynamic bearing greatly of the utility model;
Fig. 4 is the structural schematic diagram of the flat foil of thrust for carrying novel thrust air hydrodynamic bearing greatly of the utility model;
Fig. 5 is the sectional view of the flat foil of thrust for carrying novel thrust air hydrodynamic bearing greatly of the utility model;
Fig. 6 is the top view of the flat foil of thrust for carrying novel thrust air hydrodynamic bearing greatly of the utility model;
In figure, 1 thrust substrate, 2 locking panels, 3 thrust wave foils, the flat foil of 4 thrusts, 5 wave foil flat segments, 6 sinusoidal waveform sections,
7 wave foil vertical sections, 8 first flat segments, 9 second flat segments, 10 flat foil vertical sections, notch 11, the width of L1 wave foil flat segments, L2
Corrugation pitch, the h1 wave pitch of arch, h2 wave foil vertical section thickness, the radius of RX wave foil vertical section and flat segments angle, the flat foil of L3
The width of two flat segments, the flat foil vertical section of A1 at a distance from flat the second flat segments of foil, A2 the first flat segments of the second flat segments away from
From, the circular radius in the angle R1, the radius of R2 the second flat segments short arc, the radius of R3 the second flat segments long arc.
Specific embodiment:
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
One kind of the utility model as shown in Figs. 1-2 carries greatly novel thrust air hydrodynamic bearing, including thrust substrate 1,
Multiple thrust wave foils 3 comprising the wave foil vertical section 7 in sinusoidal waveform section 6, wave foil flat segments 5 and the multiple through-holes of insertion;Such as figure
Shown in 4-6, multiple flat foils 4 of thrust comprising the first flat segments matched with the sinusoidal waveform section of multiple thrust wave foils
8, the flat foil vertical section in the second flat segments 9 and the multiple through-holes of insertion matched with the wave foil flat segments of the thrust wave foil
10;The flat foil of thrust is held on thrust wave foil surface;As shown in Figure 1, multiple locking panels 2, distinguish clasping multiple
To fasten the flat foil of the thrust and thrust wave foil in through-hole.Support of the thrust substrate as the thrust wave foil of bearing and the flat foil of thrust
And stationary plane, plane of the flat foil of thrust as bearing working, as shown in figure 3, the circumferential cross-section of paillon is sinusoidal waveform, the sine
The parameter expression of waveform are as follows: Y=A*sin (k*t);It welds construction section and the flat foil of thrust is fixed on thrust substrate, keep thrust flat
Foil is firmly secured on thrust substrate, becomes a non-removable entirety, and any parts damages will stagnate entire bearing
Work, to reduce working efficiency, increases unnecessary cost.The utility model uses locking panel, can not only
The vertical section of the flat foil of thrust of linking closely and thrust wave foil, size, the size of the locking panel can need to adjust according to user,
And installation can be dismantled in time as needed, so that design bearing is simpler.
In another example, 1 surface of thrust substrate has the aperture of multiple fixing bearings, and the aperture is uniformly set
It sets at the edge of the thrust substrate.It ensure that steadily fixing bearing working face.
In another example, the first flat segments and the second flat segments of the flat foil of thrust have certain angle, make
The flat foil of thrust can be held on thrust wave foil.
In another example, the thrust substrate 1 is metal steel substrate, with a thickness of 0.3mm-10mm.Using
The metal steel of 0.3mm-10mm thickness ensure that substrate has enough rigidity and surface smoothness as substrate, and serve as a contrast
It is evenly provided with multiple screw holes on bottom, facilitates the connection of bearing and other parts.
In another example, the thrust wave foil 3 is 3-8 part, the quantity phase of the thrust flat foil 4 and thrust wave foil 3
Together.One thrust substrate is just fixed on bearing surface, and the quantity of thrust wave foil and the flat foil of thrust corresponds, and plays carrying
It is conveniently fixed on bearing according to the size of bearing using multi-disc thrust wave foil and the flat foil of thrust with the effect of decompression.
In another example, the thrust wave foil 3 is sectorial wave paillon, and the sectorial wave paillon is beryllium-bronze wave foil
One of piece, 65 manganese steel wave paillons and GH145/GH4145 high temperature elastomeric alloy wave paillon.Using these elastic metallic wave foils
Piece is conducive to make depressurization after elastic metallic wave foil deformation when thrust bearing works.
In another example, the thrust wave foil 3 is provided with a plurality of notch 11 along thrust wave foil circumferential direction.Thrust wave foil
On notch provide space, the depressurization of strong thrust wave foil for the thrust wave foil that deformation occurs.
Number of devices and treatment scale described herein are the explanations for simplifying the utility model.To the utility model
The application for carrying novel thrust air hydrodynamic bearing greatly, modifications and variations be apparent to one skilled in the art
's.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (8)
1. one kind carries greatly novel thrust air hydrodynamic bearing characterized by comprising
Thrust substrate is uniformly arranged multiple through-holes thereon;
Multiple thrust wave foils comprising the wave foil vertical section in sinusoidal waveform section, wave foil flat segments and the multiple through-holes of insertion;
Multiple flat foils of thrust comprising the first flat segments matched with the sinusoidal waveform section of multiple thrust wave foils and institute
State wave foil flat segments the second flat segments matched of thrust wave foil and the flat foil vertical section being inserted into multiple through-holes;The thrust
Flat foil is held on thrust wave foil surface;
Multiple locking panels distinguish clasping in multiple through-holes to fasten the flat foil of the thrust and thrust wave foil.
2. carrying novel thrust air hydrodynamic bearing greatly as described in claim 1, which is characterized in that the thrust substrate surface
Aperture with multiple fixing bearings, the aperture are uniformly arranged on the edge of the thrust substrate.
3. carrying novel thrust air hydrodynamic bearing greatly as described in claim 1, which is characterized in that the of the flat foil of thrust
One flat segments and the second flat segments have certain angle.
4. carrying novel thrust air hydrodynamic bearing greatly as described in claim 1, which is characterized in that the thrust substrate is gold
Belong to steel substrate, with a thickness of 0.3mm-10mm.
5. carrying novel thrust air hydrodynamic bearing greatly as described in claim 1, which is characterized in that the thrust wave foil is 3-
8, the flat foil of thrust is identical as the quantity of thrust wave foil.
6. carrying novel thrust air hydrodynamic bearing greatly as described in claim 1, which is characterized in that the thrust wave foil is fan
Shape wave paillon, the sectorial wave paillon are beryllium-bronze wave paillon, 65 manganese steel wave paillons and GH145/GH4145 high temperature elastomeric alloy
One of wave paillon.
7. carrying novel thrust air hydrodynamic bearing greatly as described in claim 1, which is characterized in that the flat foil of thrust is beryllium
One of the flat paillon of bronze, the flat paillon of 65 manganese steel and the flat paillon of GH145/GH4145 high temperature elastomeric alloy.
8. carrying novel thrust air hydrodynamic bearing greatly as described in claim 1, which is characterized in that the thrust wave foil setting
There is a plurality of notch along thrust wave foil circumferential direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821193565.6U CN208534973U (en) | 2018-07-26 | 2018-07-26 | One kind carrying greatly novel thrust air hydrodynamic bearing |
Applications Claiming Priority (1)
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CN201821193565.6U CN208534973U (en) | 2018-07-26 | 2018-07-26 | One kind carrying greatly novel thrust air hydrodynamic bearing |
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Publication Number | Publication Date |
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CN208534973U true CN208534973U (en) | 2019-02-22 |
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ID=65385752
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114321156A (en) * | 2021-12-31 | 2022-04-12 | 宙斯能源动力科技(大连)有限公司 | Herringbone groove type air dynamic pressure thrust foil bearing |
CN114683006A (en) * | 2022-04-22 | 2022-07-01 | 天津捷强动力装备股份有限公司 | Novel air-floatation thrust bearing and manufacturing method thereof |
CN115143183A (en) * | 2021-03-31 | 2022-10-04 | 纽若斯有限公司 | Gas foil thrust bearing |
-
2018
- 2018-07-26 CN CN201821193565.6U patent/CN208534973U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115143183A (en) * | 2021-03-31 | 2022-10-04 | 纽若斯有限公司 | Gas foil thrust bearing |
CN115143183B (en) * | 2021-03-31 | 2024-05-10 | 纽若斯有限公司 | Air foil thrust bearing |
CN114321156A (en) * | 2021-12-31 | 2022-04-12 | 宙斯能源动力科技(大连)有限公司 | Herringbone groove type air dynamic pressure thrust foil bearing |
CN114683006A (en) * | 2022-04-22 | 2022-07-01 | 天津捷强动力装备股份有限公司 | Novel air-floatation thrust bearing and manufacturing method thereof |
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TR01 | Transfer of patent right |
Effective date of registration: 20191212 Address after: The 618000 Deyang province Sichuan City Jingyang District Jiangxi Road No. four Building No. 11 Co-patentee after: Inst. of Machinery Mfg Technology, Chinese Academy of Engineering Physics Patentee after: Sichuan nine far Air Floatation Technology Co., Ltd. Address before: The 618000 Deyang province Sichuan City Jingyang District Jiangxi Road No. four Building No. 11 Patentee before: Sichuan nine far Air Floatation Technology Co., Ltd. |