CN105114446A - Changeable stepped damping thrust bearing - Google Patents
Changeable stepped damping thrust bearing Download PDFInfo
- Publication number
- CN105114446A CN105114446A CN201510584955.0A CN201510584955A CN105114446A CN 105114446 A CN105114446 A CN 105114446A CN 201510584955 A CN201510584955 A CN 201510584955A CN 105114446 A CN105114446 A CN 105114446A
- Authority
- CN
- China
- Prior art keywords
- watt
- bearing
- damping
- thrust
- movable
- 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.)
- Granted
Links
Landscapes
- Support Of The Bearing (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a changeable stepped damping thrust bearing. The thrust bearing is mainly composed of a pressing head (1), a thrust disc (2), a plurality of movable bush assemblies, a plurality of fixed bushes (4) and a supporting ring (5), wherein the pressing head (1), the thrust disc (2), the movable bush assemblies, the fixed bushes (4) and the supporting ring (5) are arranged from top to bottom. The thrust disc (2) is connected with a rotary shaft of the bearing through the pressing head (1), and the thrust disc (2), the rotary shaft of the bearing and the pressing head are coaxially and fixedly connected. Each movable bush assembly and the corresponding fixed bush (4) are attached together to form a stepped variable-height bearing bush assembly. The multiple bearing bush assemblies are arranged on the supporting ring (5) in the circumferential direction to share the total load in the axial direction. The movable bush assemblies of the bearing bush assemblies are mounted in front of the fixed bushes (4) when seen from the rotating direction of the thrust disc (2). The changeable stepped damping thrust bearing can be used for designing of bearings which often work under variable working conditions, allow inclination of thrust discs and have high requirements for the bearing capacity and the damping performance of naval ships and the like.
Description
Technical field
The invention belongs to sliding bearing technical field, formed in particular to fixing thrust bearing shoe valve and the movable thrust bearing shoe valve collaborative work to be supported by damping mat a kind of have can the sliding bearing of servo-actuated change hierarchic structure and effectiveness in vibration suppression, that is so-called variable ladder damping thrust-bearing.
Background technique
Fixing pad bearing [US Patent No. 5456535:Journalbearing is mainly at present for the sliding bearing type in engineering, the license date: October 10 nineteen ninety-five] and tilting-pad bearing [US Patent No. 5795077:TiltingPadJournalbearing, license date: on August 18th, 1998].Plane many ditches thrust-bearing, tiltedly-plain thrust bearing and ladder surface thrust-bearing are generally comprised for the fixed pad thrust bearing bearing axial force.Wherein common ladder bearing is by the Rayleigh ladder bearing of Rayleigh design in 1918, by variational method study, he finds that bearing capacity is the highest when liquid film shape is two plane areas.This is under given rotating speed and load, a ladder height when optimum making bearing have maximum liquid film thickness of selection carries.This is applicable for the unit that operating mode is stable especially, but when load or rotating speed have larger fluctuation or need frequent variable parameter operation, such as Ship Propulsion System, because ladder height is fixed value, makes bearing military service performance not reach optimum design value on the contrary.At patent documentation " structure-changeable self-adaptive sliding bearing " (Chinese patent 99115719.2: structure-changeable self-adaptive sliding bearing, the license date: on December 4th, 2002) in, propose the change ladder radial bearing that a kind of ladder height can change with load change, it is variable that it adopts tilting bush lever principle to realize ladder height, and its tilting bush fulcrum location exists the problem such as wearing and tearing and fatigue.In addition, for naval vessel is this kind of, high application is required to vibration & noise, common bearing vibration damping and vibration isolating effect poor, this is because the effect of Liquid-Film Damp effect is very limited.This causes bearing easily shaft vibration to be passed to pedestal, and even bearing itself becomes vibration source, therefore studies the measure of effective bearing vibration damping and vibration isolation very necessary.
Relatively therewith, the present invention proposes a kind of variable ladder damping thrust-bearing adopting damping mat to support.
Summary of the invention
Technical problem to be solved by this invention is: can not realize for overcoming traditional ladder thrust-bearing the deficiency that under variable working condition, bearing capacity is optimum and effectiveness in vibration suppression is poor, providing a kind of fixing thrust bearing shoe valve to combine with the movable thrust bearing shoe valve supported by damping mat the variable ladder damping thrust-bearing formed.
The present invention solves its technical problem and adopts following technological scheme:
Variable ladder damping thrust-bearing provided by the invention, primarily of the pressure head arranged from top to bottom, thrust disc, many covers movable watt of assembly, fixing watt of multi-disc and support ring composition, wherein: thrust disc is connected with the rotating shaft of this bearing by pressure head, three's coaxial line is fixed together; A set of movable watt of assembly and a slice are fixed watt to fit and are formed the variable carrying of a set of shoulder height watt assembly, and many cover carrying watt assembly circumferences are loaded on support ring, the axial total load of shared; From the sense of rotation of thrust disc, often movable watt of assembly of cover carrying watt assembly was arranged on before fixing watt.
Often overlap movable watt of assembly primarily of movable watt, damping mat, only pressing plate and cushion block composition, wherein: movable watt fits with damping mat, they be attached thereto respectively in position limit pin and outer position limit pin constrain in the plane of support ring; Below movable watt of outer wall, offer annular spacing groove, only pressing plate is placed in annular spacing groove, more fastened screw is fixed on support ring; Cushion block is arranged on only between pressing plate and support ring.
Described outer position limit pin and interior position limit pin, they are installed in the blind hole of the matrix of movable watt and supporting ring after being each passed through the exit orifice of damping mat and endoporus, wherein: being Spielpassung between the blind hole of matrix of outer position limit pin and interior position limit pin and movable watt and the exit orifice of damping mat and endoporus, is interference fit with the blind hole on supporting ring.
Described outer position limit pin and interior position limit pin, its outer wall arranges insulating material, prevents from conducting electricity between movable watt and support ring.
Described damping mat, its exit orifice and endoporus are in the symmetrical center line of damping mat, and during assembling, this damping mat overlaps with movable watt of both symmetrical center line, makes movable watt mainly to do axial linear movement.
Described damping mat, its exit orifice and endoporus are in the symmetrical center line of damping mat, during assembling, this damping mat is crossing with movable watt of both symmetrical center line, when intersecting, the ratio of angle and the cornerite of movable watt gets 0.55 ~ 0.6, make movable watt damping mat can be utilized in operation process to be out of shape self-adjustable inclination, form hydrodynamic lubrication.
Described damping mat adopts macromolecule viscoelastic damping material or study on intellectual damping material to make.
Described fixing watt with screw fastening on support ring.
Above-mentioned variable ladder damping thrust-bearing provided by the invention, this bearing is used in water lubrication or oil lubrication.
Above-mentioned variable ladder damping thrust-bearing provided by the invention, it all has optimum bearing capacity in a condition range, improves bearing variable working condition performance, is particularly suitable for the occasion that naval vessel etc. is high to vibration noise requirement.
The object of the present invention is achieved like this, and it comprises thrust disc, movable watt of assembly, fixing watt and support ring.Movable watt combine to form carry watt with fixing watt, movable watt with fix watt circumferential fit to be formed carry step, fix watt being fixed on support ring, movable watt is had flexible damping mat and is supported.After working conditions change, damping mat is out of shape thereupon, causes being formed between movable watt and fixing watt the ladder height under optimum bearing capacity, thus bearing optimum carrying when realizing variable working condition; The self-excited vibration energy that can absorb vibrational energy that rotating shaft passes over and movable tile fragment is paid somebody's debt and expected repayment later in damping, realizes the object of vibration damping and vibration isolation; And damping mat distortion is conducive to the difference of bearing load between each watt of minimizing, plays and all carries effect.
The present invention compared with prior art has following main advantage:
1. the ladder height under optimum bearing capacity can be formed adaptively with working conditions change, overcome the common ladder bearing only optimum limitation carried under single operating mode, and optimum carrying when there is variable working condition, be particularly suitable for the occasion that such as naval vessel etc. is often in variable working condition.
2. when there is angle between the damping mat and the symmetrical center line of movable watt of movable watt of support, movable watt can be tilted along with the distortion of damping mat, thus and form wedge shape between thrust disc and carry gap, now, the present invention has the feature of fixed pad thrust bearing and tilting thrust bearing simultaneously, improves bearing load carrying capacity and variable working condition adaptive capacity.
3. damping mat can absorb the self-excited vibration energy of vibrational energy that rotating shaft passes over and movable watt, realizes the object of vibration damping and vibration isolation.
4. damping mat distortion is conducive to reducing the difference that each watt is born load, plays and all carries effect, thus improves the problem of the bearing performance deterioration that thrust disc tilts to bring.
Accompanying drawing explanation
Fig. 1 is bearing assemble schematic diagram of the present invention.
Fig. 2 is fixing watt scheme of installation of the present invention.
Fig. 3 is movable watt of scheme of installation of the present invention.
Fig. 4 is schematic diagram of the present invention.
Fig. 5 is the first example structure schematic diagram of movable watt of assembly of the present invention.
Fig. 6 is the second example structure schematic diagram of movable watt of assembly of the present invention.
In figure: 1. pressure head; 2. thrust disc; 3. movable watt; 4. fixing watt; 5. support ring; 6. movable watt of outer limit pin hole; 7. outer position limit pin; 8. annular spacing groove; 9. fastening screw trip bolt; 10. stop pressing plate; 11. cushion blocks; The outer limit pin hole of 12. support rings; The top layer of 13. movable watts; 14. movable watts of matrixes; Limit pin hole in 15. movable watts; Position limit pin in 16.; 17. damping mats; Limit pin hole in 18. support rings; The top layer of 19. fixing watts; 20. fixing watt matrixes; 21. positioning spiro pits; 22. positioning screwns; 23. countersunk head through holes; 24. damping mat endoporus; 25. damping mat exit orifice.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described, but do not limit the present invention.
One provided by the invention variable ladder damping thrust-bearing, its structure as shown in Figure 1, forms primarily of the pressure head 1 arranged from top to bottom, thrust disc 2, many covers movable watt of assembly, multi-disc fixing watt 4 and support ring 5.Wherein thrust disc 2 is connected with rotating shaft by pressure head 1, and three's coaxial line is fixed together.A set of movable watt of assembly and fixing watt of a slice form a set of carrying watt assembly, the axial total load of many cover carrying watt assembly shareds.From the sense of rotation of thrust disc 2, often movable watt of assembly of cover carrying watt assembly was arranged on before fixing watt.
The structure of described a set of movable watt of assembly as shown in Figure 2, comprises movable watt 3, damping mat 17, outer position limit pin 7, interior position limit pin 16, fastening screw trip bolt 9, only pressing plate 10 and cushion block 11.The lower surface of the movable watt of matrix 14 of movable watt 3 arranges two blind holes, is limit pin hole 15 in movable watt of outer limit pin hole 6 and movable watt respectively.Supporting ring 5 upper surface correspondence arranges two blind holes, is limit pin hole 18 in the outer limit pin hole 12 of support ring and support ring respectively.Described outer position limit pin 7 and interior position limit pin 16 are installed into after being each passed through damping mat exit orifice 25 and damping mat endoporus 24 in the blind hole of movable watt of matrix 14 and supporting ring 5, wherein, being Spielpassung between the blind hole of outer position limit pin 7 and interior position limit pin 16 and movable watt of matrix 14 and the through hole of damping mat 17, is interference fit with the blind hole on supporting ring 5.This structure be in order to circumference is carried out to movable watt 3 and damping mat 17 and radial direction spacing.The outer wall of outer position limit pin 7 and interior position limit pin 16 arranges insulating material, prevents from conducting electricity between movable watt and support ring.Drop along tile fragment when installing with axis horizontal direction to prevent bearing, the axial motion limit structure of movable watt 3 is set, be specially: below movable watt of 3 outer walls, offer annular spacing groove 8, only pressing plate 10 is placed in annular spacing groove 8, fastened screw 9 is fixed on support ring 5 again, it stops to be provided with cushion block 11 between pressing plate 10 and support ring 5, needs according to the axial motion distance of movable watt 3 height adjusting cushion block 11.
As shown in Figure 3, arrange countersunk head through hole 23 at the lower surface of support ring 5, this aperture, slightly larger than the diameter of positioning screwn 22, arranges positioning spiro pit 21 at matrix 20 lower surface of fixing watt, positioning screwn 22 is screwed in positioning spiro pit 21 through countersunk head through hole 23, completes fixing watt 4 fix.
As shown in Figure 4, movable watt 3 fits with fixing watt 4 circumferences, forms step.Thrust disc 2 rotates the gap that rear drive lubricant medium enters tile fragment and thrust disc, and lubricant medium first arrives fixing watt 4 again through movable watt 3.Lubricating liquid film is all parallel in two tile fragment regions, but has a step change due to the joint on two tile fragment surfaces, in order to keep the condition of continuity flowed, must build-up pressure distribution in liquid film, thus realize carrying.The results showed, for the common ladder bearing that ladder height is fixing, the maximum condition of common ladder bearing bearing capacity is h
1/ h
2=1.866, B
1/ B
2=2.549.When load and invariablenes turning speed, liquid film thickness h
2constant, ladder height (h
1-h
2) be determined value; When load or rotating speed change, liquid film thickness h
2change, now in order to keep common ladder bearing still to have maximum bearing capacity, then require that ladder height changes thereupon, but the ladder height of common ladder bearing is fixed when Design and manufacture completes, therefore common ladder bearing can only realize the optimum carrying of an operating point.For this reason, the present invention proposes a kind of movable watt 3 and the fixing watt 4 variable ladders be combined to form being supported by damping mat 17.Be out of shape after damping mat pressurized, change the axial position of movable watt, thus change ladder height, when static balancing, ladder is highly stable.After operating mode changes, damping mat pressure changes, and amount of deformation changes, and when static balancing, ladder At The Height is in new stationary value.In a word, the ladder height of this structure with operating mode adaptive change, can all have optimum bearing capacity in a condition range.In addition, the anamorphic effect of damping mat, bears the difference of load, plays and all carry effect between being conducive to reducing each watt, improves the ability that bearing opposing thrust disc tilts.
Foregoing description is for the first embodiment of the present invention, as shown in Figure 5.Damping mat endoporus 24 and damping mat exit orifice 25 are in the symmetrical center line of damping mat 17.To be damping mat 17 overlap with the symmetrical center line of movable watt 3 for the basic characteristics of this embodiment, and namely outer position limit pin 7 and interior position limit pin 16 are in the symmetrical center line of movable watt.In this embodiment, movable watt is mainly done axial linear movement.
See Fig. 6, the second example structure schematic diagram of movable watt of assembly of the present invention.In figure, dotted line is the profile line of damping mat, an angle α is there is between damping mat 17 and the symmetrical center line of movable watt 3, this causes damping mat 17 to carry center is not overlap with the geometrical center of movable watt 3, and it is eccentric to there is a circumference, and this bias is conducive to movable watt and produces.Now, except hierarchic structure forms dynamic pressure carrying liquid film, movable watt can utilize damping mat to be out of shape self-adjustable inclination, form hydrodynamic lubrication in operation process.This embodiment introduces the advantage of tilting-pad bearing on the basis of ladder bearing, makes bearing namely have outstanding bearing capacity, turn improves stability, also obviously reduces the height of common tilting thrust bearing.θ is tile fragment cornerite, and eccentricity α/θ generally gets 0.55 ~ 0.6.
As the damping mat 17 in Fig. 2, its material can use macromolecule viscoelastic damping material or study on intellectual damping material, selection and performance design is carried out according to operation environment, working condition and performance requirement, such as apply to the naval vessel bearing exposed in the seawater, then need to have good anti-seawater corrosion, shock-resistant, creep resistance and comparatively long life.Damping mat performance design is mainly hardness and Intensity Design.The top layer 19 of fixing watt and the top layer 13 of movable watt, its selection also should be incompatible fixed according to applied field, such as, commonly use Babbitt during oil lubrication, can consider to adopt rubber, macromolecular material or impregnated graphite during water lubrication.In addition, the present invention is directed thrust slide bearing, but the mentality of designing of its variable ladder and damping vibration attenuation also can be used for radial sliding bearing.
Variable ladder damping thrust-bearing provided by the invention, its working procedure is as follows:
Bearing leaching in the lubricant, rotating shaft drives thrust disc to rotate, oiling agent is brought in the gap between thrust disc and carrying watt assembly by thrust disc, and oiling agent sets up film pressure distribution through movable watt and the fixing watt step formed, and forms the liquid film power contrary with loading direction; The pressure acted on movable watt forces damping mat to be out of shape, and shoulder height changes, and film pressure distribution changes thereupon, and liquid film power changes; When liquid film power is equal with load, shoulder height and film pressure distribution are determined, bearing stable operation; When operating mode (rotating speed or load) changes, film pressure changes thereupon, and ladder height changes, until form the liquid film power equal with load, bearing reaches steady-working state again.During bearing working, the vibration of rotating shaft is delivered on bearing tile through liquid film, and the damping mat absorbing vibrational energy of watt back of the body, plays the effect of vibration damping and vibration isolation.
Claims (10)
1. a variable ladder damping thrust-bearing, it is characterized in that this bearing is primarily of the pressure head arranged (1), thrust disc (2), many covers movable watt of assembly, multi-disc fixing watt (4) and support ring (5) composition from top to bottom, wherein: thrust disc (2) is connected with the rotating shaft of this bearing by pressure head (1), and three's coaxial line is fixed together; A set of movable watt of assembly and a slice fixing watt (4) are fitted and are formed the variable carrying of a set of shoulder height watt assembly, and many cover carrying watt assembly circumferences are loaded on support ring (5), the axial total load of shared; From the sense of rotation of thrust disc (2), before often movable watt of assembly of cover carrying watt assembly is arranged on fixing watt (4).
2. variable ladder damping thrust-bearing according to claim 1, it is characterized in that often overlapping movable watt of assembly primarily of movable watt (3), damping mat (17), only pressing plate (10) and cushion block (11) composition, wherein: movable watt (3) and damping mat (17) fit, they be attached thereto respectively in position limit pin (16) and outer position limit pin (7) constrain in the plane of support ring (5); Below movable watt of (3) outer wall, offer annular spacing groove (8), only pressing plate (10) is placed in annular spacing groove (8), more fastened screw is fixed on support ring (5); Cushion block (11) is arranged on only between pressing plate (10) and support ring (5).
3. variable ladder damping thrust-bearing according to claim 2, it is characterized in that described outer position limit pin (7) and interior position limit pin (16), they are installed in the matrix of movable watt (3) and the blind hole of supporting ring (5) after being each passed through the exit orifice of damping mat (17) and endoporus, wherein: being Spielpassung between the blind hole of the matrix of outer position limit pin (7) and interior position limit pin (16) and movable watt (3) and the exit orifice of damping mat (17) and endoporus, is interference fit with the blind hole on supporting ring (5).
4. variable ladder damping thrust-bearing according to claim 3, it is characterized in that described outer position limit pin (7) and interior position limit pin (16), its outer wall arranges insulating material, prevents from conducting electricity between movable watt and support ring.
5. variable ladder damping thrust-bearing according to claim 3, it is characterized in that exit orifice and the endoporus of described damping mat (17) are in the symmetrical center line of damping mat (17), during assembling, this damping mat (17) overlaps with movable watt of (3) both symmetrical center line, makes movable watt (3) mainly do axial linear movement.
6. variable ladder damping thrust-bearing according to claim 3, it is characterized in that exit orifice and the endoporus of described damping mat (17) are in the symmetrical center line of damping mat (17), during assembling, this damping mat (17) is crossing with movable watt of (3) both symmetrical center line, when intersecting, the ratio of the cornerite of angle and movable watt (3) gets 0.55 ~ 0.6, make movable watt (3) that damping mat can be utilized in operation process to be out of shape self-adjustable inclination, form hydrodynamic lubrication.
7. variable ladder damping thrust-bearing according to claim 2, is characterized in that described damping mat (17) adopts macromolecule viscoelastic damping material or study on intellectual damping material to make.
8. variable ladder damping thrust-bearing according to claim 1, is characterized in that described fixing watt (4) use screw fastening on support ring (5).
9. the purposes of the variable ladder damping thrust-bearing according to claim arbitrary in claim 1 to 8, is characterized in that this bearing is in water lubrication or oil lubrication.
10. purposes according to claim 9, it is characterized in that in water lubrication or oil lubrication time, this bearing all has optimum bearing capacity in a condition range, improves bearing variable working condition performance, is particularly suitable for the occasion that naval vessel etc. is high to vibration noise requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510584955.0A CN105114446B (en) | 2015-09-15 | 2015-09-15 | Variable ladder damps thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510584955.0A CN105114446B (en) | 2015-09-15 | 2015-09-15 | Variable ladder damps thrust bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105114446A true CN105114446A (en) | 2015-12-02 |
| CN105114446B CN105114446B (en) | 2018-06-26 |
Family
ID=54662518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510584955.0A Active CN105114446B (en) | 2015-09-15 | 2015-09-15 | Variable ladder damps thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105114446B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508581A (en) * | 2015-12-23 | 2016-04-20 | 北京联合大学 | Dynamic pressure lubricating piston shoe |
| CN105508580A (en) * | 2015-12-23 | 2016-04-20 | 北京联合大学 | Dynamic pressure lubricating method and structure |
| CN105508414A (en) * | 2016-01-12 | 2016-04-20 | 中国人民解放军海军工程大学 | Damping-type tilting pad thrust bearing |
| CN105526340A (en) * | 2015-12-23 | 2016-04-27 | 北京联合大学 | Dynamic-pressure lubricating swash plate and bevel gear continuously variable transmission |
| CN106351945A (en) * | 2016-10-27 | 2017-01-25 | 中国人民解放军海军工程大学 | Sectional rubber tilting-pad thrust bearing |
| CN106678172A (en) * | 2017-01-09 | 2017-05-17 | 重庆大学 | BTG rubber water lubrication thrust bearing |
| CN106763147A (en) * | 2017-01-09 | 2017-05-31 | 重庆大学 | NEW ADAPTIVE water lubricating thrust bearing |
| CN109737581A (en) * | 2018-12-13 | 2019-05-10 | 北京戴纳实验科技有限公司 | One kind can adjust the dedicated blinds of air quantity circular duct |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2731305A (en) * | 1952-09-11 | 1956-01-17 | Gen Electric | High speed thrust bearing structure |
| JPH06200940A (en) * | 1992-12-28 | 1994-07-19 | Shin Meiwa Ind Co Ltd | Spindle device using magnetic fluid bearing |
| US5795077A (en) * | 1994-10-26 | 1998-08-18 | Welsh Innovations Limited | Tilting pad journal bearing |
| CN1225984A (en) * | 1999-02-08 | 1999-08-18 | 西安交通大学 | Structure-changeable self-adaptive sliding bearing |
| JP2002106551A (en) * | 2001-08-29 | 2002-04-10 | Daido Metal Co Ltd | Half thrust bearing |
| JP2003049828A (en) * | 2001-08-06 | 2003-02-21 | Seiko Instruments Inc | Fluid dynamic pressure bearing and spindle motor |
| JP2011007243A (en) * | 2009-06-24 | 2011-01-13 | Ihi Corp | Structure of thrust bearing for water lubrication |
| US20130209011A1 (en) * | 2010-10-06 | 2013-08-15 | Eagle Industry Co., Ltd. | Sliding component |
| CN103557229A (en) * | 2013-10-22 | 2014-02-05 | 申科滑动轴承股份有限公司 | Design method of water lubrication step tile dynamic pressure thrust bearing |
-
2015
- 2015-09-15 CN CN201510584955.0A patent/CN105114446B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2731305A (en) * | 1952-09-11 | 1956-01-17 | Gen Electric | High speed thrust bearing structure |
| JPH06200940A (en) * | 1992-12-28 | 1994-07-19 | Shin Meiwa Ind Co Ltd | Spindle device using magnetic fluid bearing |
| US5795077A (en) * | 1994-10-26 | 1998-08-18 | Welsh Innovations Limited | Tilting pad journal bearing |
| CN1225984A (en) * | 1999-02-08 | 1999-08-18 | 西安交通大学 | Structure-changeable self-adaptive sliding bearing |
| JP2003049828A (en) * | 2001-08-06 | 2003-02-21 | Seiko Instruments Inc | Fluid dynamic pressure bearing and spindle motor |
| JP2002106551A (en) * | 2001-08-29 | 2002-04-10 | Daido Metal Co Ltd | Half thrust bearing |
| JP2011007243A (en) * | 2009-06-24 | 2011-01-13 | Ihi Corp | Structure of thrust bearing for water lubrication |
| US20130209011A1 (en) * | 2010-10-06 | 2013-08-15 | Eagle Industry Co., Ltd. | Sliding component |
| CN103557229A (en) * | 2013-10-22 | 2014-02-05 | 申科滑动轴承股份有限公司 | Design method of water lubrication step tile dynamic pressure thrust bearing |
Non-Patent Citations (1)
| Title |
|---|
| 袁晓阳等: "弹支瓦阶梯推力轴承动特性研究", 《机械科学与技术》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508581A (en) * | 2015-12-23 | 2016-04-20 | 北京联合大学 | Dynamic pressure lubricating piston shoe |
| CN105508580A (en) * | 2015-12-23 | 2016-04-20 | 北京联合大学 | Dynamic pressure lubricating method and structure |
| CN105526340A (en) * | 2015-12-23 | 2016-04-27 | 北京联合大学 | Dynamic-pressure lubricating swash plate and bevel gear continuously variable transmission |
| CN105508414A (en) * | 2016-01-12 | 2016-04-20 | 中国人民解放军海军工程大学 | Damping-type tilting pad thrust bearing |
| CN105508414B (en) * | 2016-01-12 | 2019-04-02 | 中国人民解放军海军工程大学 | Damp type tilting thrust bearing |
| CN106351945A (en) * | 2016-10-27 | 2017-01-25 | 中国人民解放军海军工程大学 | Sectional rubber tilting-pad thrust bearing |
| CN106351945B (en) * | 2016-10-27 | 2018-11-30 | 中国人民解放军海军工程大学 | It is segmented rubber tilting thrust bearing |
| CN106678172A (en) * | 2017-01-09 | 2017-05-17 | 重庆大学 | BTG rubber water lubrication thrust bearing |
| CN106763147A (en) * | 2017-01-09 | 2017-05-31 | 重庆大学 | NEW ADAPTIVE water lubricating thrust bearing |
| CN106678172B (en) * | 2017-01-09 | 2021-07-20 | 重庆大学 | BTG rubber water lubrication thrust bearing |
| CN109737581A (en) * | 2018-12-13 | 2019-05-10 | 北京戴纳实验科技有限公司 | One kind can adjust the dedicated blinds of air quantity circular duct |
| CN109737581B (en) * | 2018-12-13 | 2021-04-27 | 北京戴纳实验科技有限公司 | Can adjust special tripe of circular tuber pipe of amount of wind |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105114446B (en) | 2018-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105114446A (en) | Changeable stepped damping thrust bearing | |
| CN205190527U (en) | Damping type water lubrication thrust bearing made of baked clay that can incline | |
| US5613781A (en) | Hanging spring supported squeeze film damping system for shaft bearing | |
| EP1770318B1 (en) | Bearing assembly and centering support structure therefor | |
| CA2395540C (en) | Plain bearing and wind energy unit with said bearing | |
| US5215384A (en) | Self-centering squeeze film damper bearing | |
| US9422923B2 (en) | Rotor bearing for a wind power generating plant | |
| US7066651B2 (en) | Disc spring centering device for squeeze film dampers | |
| CN205578505U (en) | Damping type tilting pad thrust bearing | |
| CN105508414A (en) | Damping-type tilting pad thrust bearing | |
| WO2008092447A1 (en) | A wind turbine, a method for servicing a main bearing unit of a wind turbine and use thereof | |
| US9989086B2 (en) | Sliding bearing | |
| CN103470319A (en) | Journal bearing pad for turbine | |
| US4527910A (en) | Dual clearance squeeze film damper | |
| CN108302121B (en) | Tilting pad sliding bearing | |
| US6626574B2 (en) | Squeeze film damping type bearing | |
| CN113494523B (en) | Heavy load point supporting elastic tilting pad Shui Runhua sliding thrust bearing | |
| CN103299066A (en) | Bearing assembly for a marine turbine shaft, and marine turbine including such a bearing assembly | |
| RU2470200C2 (en) | Elastic bearing, and method for its routine repair and maintenance | |
| CA2125818C (en) | Thrust bearings | |
| CN102135135B (en) | Combined bearing | |
| JPH01320316A (en) | Roller bearing device | |
| CN206386383U (en) | It is segmented rubber tilting thrust bearing | |
| CN109027002B (en) | High-speed floating ring bearing and rotor system supporting mode | |
| CN101545173B (en) | Planet rolling bearing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |