CN109707736A - A kind of compound titling-pad journal bearing of magnetic liquid based on Halbach array - Google Patents
A kind of compound titling-pad journal bearing of magnetic liquid based on Halbach array Download PDFInfo
- Publication number
- CN109707736A CN109707736A CN201910151812.9A CN201910151812A CN109707736A CN 109707736 A CN109707736 A CN 109707736A CN 201910151812 A CN201910151812 A CN 201910151812A CN 109707736 A CN109707736 A CN 109707736A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- shaped
- inner core
- bearing shell
- magnet inner
- 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
- Sliding-Contact Bearings (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a kind of compound titling-pad journal bearing of magnetic liquid based on Halbach array, including axle sleeve, bearing shell, bear box and stop retaining ring, the first permanent magnet inner core is equipped in the axle sleeve, the second permanent magnet inner core is equipped in the bearing shell, the first permanent magnet inner core magnetizing direction in axle sleeve is opposite with the second permanent magnet inner core magnetizing direction in bearing shell, make between axle sleeve and bearing shell that there are permanent magnet expulsive forces, the bearing shell includes multiple circumferentially uniformly distributed fan-shaped lath-shaped bearing shell units, circular arc boss is equipped in the outside of fan-shaped lath-shaped bearing shell unit, tilting bush structure is constituted with the indent arc groove cooperation being arranged on bear box.The present invention proposes the thought of permanent magnetic and liquid film power shared bearing load and tilting bush structure, the liquid film power shared load as provided by the permanent magnet expulsive force and lubricating liquid film generated between permanent magnet inner core in bearing operational process.Meanwhile tilting bush structure is easier to lubricating fluid in wedging friction auxiliary air gap, guarantees the stability of bearing operation.
Description
Technical field
The invention belongs to sliding bearing technical field, in particular to a kind of magnetic liquid based on Halbach array is compound to incline
Watt transverse bearing.
Background technique
Tail bearing is the important component of marine propulsion shafting, plays the role of support helix paddle shaft and propeller.
With the increase of the tonnage of ship, propeller constantly increases with propeller shaft weight, proposes higher want to tail bearing bearing capacity
It asks.Bearing axle sleeve mainly has the sides of combination such as copper-rubber, copper-Sai Long or flying dragon, copper-alloy and metal material with bearing shell at this stage
Formula is difficult under the especially slow-speed of revolution of certain revolving speed since the dynamic viscosity of water is smaller in the bearing using water as lubricant medium
Enough bearing capacities are provided to form good carrying moisture film, directly contact between two friction pairs is caused to generate boundary lubrication or even do
Friction, causes the bad running of bearing.Therefore, the design for fully relying on hydrldynamic pressure lubrication be difficult to meet low speed, heavy duty it is severe
Work condition environment.
1981, French scientist Yonnet proposed a kind of permanent magnetism magnetic suspension bearing arrangement, and holds to this kind of bearing
The correlative studys such as loading capability, this is considered the beginning of modern permanent magnet bearing research.Permanent-magnet bearing be it is a kind of using magnetic field force will turn
The non-contact type bearing that son is separated with loading ability of bearing surface has many advantages, such as without friction, without abrasion and without lubricating, but single side
It is also easy to produce demagnetization to the permanent magnet to magnetize, magnetic force provided by the bearing constituted is weaker, and therefore, people are in permanent magnetism axis in recent years
Hold the middle magnetic structure for introducing Halbach array.This kind of array structure by Lawrence Berkeley National laboratory physics
Family's doctor's K.Halbach proposition, can be the one of magnet by arranging the permanent magnet of different magnetizing directions according to certain rule
Converge the magnetic line of force for side, and weakens the magnetic line of force in the other side, to obtain more satisfactory unilateral magnetic field to increase between permanent magnet
Interaction force.
Based on above-mentioned technical background, the present invention proposes that one kind is based on by film force and permanent magnetic are jointly load bearing
The permanent magnet magnetic liquid composite bearing of Halbach array, and the bearing bush can further improve moisture film for tilting bush structure and be formed
Ability, adapt to low-speed heave-load operating condition.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of energy raising in view of the deficiency of the prior art
The ability that moisture film is formed adapts to the compound titling-pad journal bearing of magnetic liquid based on Halbach array of low-speed heave-load operating condition.
The technical scheme adopted by the invention is as follows: a kind of compound titling-pad journal bearing of magnetic liquid based on Halbach array,
Including axle sleeve, bearing shell, bear box and stop retaining ring, it is characterised in that: the first permanent magnet inner core is equipped in the axle sleeve, it is described
First permanent magnet inner core carry out respectively it is radial and axial magnetize, and arranged according to Halbach linear array shape, set in the bearing shell
Have the second permanent magnet inner core, the second permanent magnet inner core carry out respectively it is radial and axial magnetize, and according to Halbach linear
Array arrangement, the second permanent magnet inner core magnetizing direction in the first permanent magnet inner core magnetizing direction and bearing shell in axle sleeve on the contrary,
Make there are permanent magnet expulsive force between axle sleeve and bearing shell, the bearing shell includes multiple circumferentially uniformly distributed fan-shaped lath-shaped bearing shell units, is being fanned
The outside of shape lath-shaped bearing shell unit is equipped with circular arc boss, constitutes tilting bush with the indent arc groove cooperation being arranged on bear box
Structure.
According to the above technical scheme, it is opened up in the centerline direction that the end face of fan-shaped lath-shaped bearing shell unit is located at circular arc boss
Pin hole is equipped with pin hole on stop retaining ring, and the bear box is fixed with stop retaining ring by fixing piece, the sector lath-shaped
Bearing shell unit and stop retaining ring are limited by bolt, make capable of swinging around circular arc boss for fan-shaped lath-shaped bearing shell unit.
According to the above technical scheme, the radius of the bear box indent arc groove is r2, fillet α, the fanning strip
The circular arc boss radius of strip bearing shell unit is r1, fillet β, wherein r1< r2, α < β.
According to the above technical scheme, the angle, θ on the circular arc boss distance of center circle watt boundary1Ratio with watt wrap angle is about 0.6
~0.7.
According to the above technical scheme, the axle sleeve includes cylindric copper shell, and the first permanent magnet inner core is circular ring structure,
Multiple first permanent magnets are axially arranged in the toroidal cavity of copper shell.
According to the above technical scheme, the first permanent magnet inner core of the annular shape spliced by multiple radial magnetizing sectorial blocks and
At.
According to the above technical scheme, each fan-shaped lath-shaped bearing shell unit includes the second permanent magnet inner core of tiling layer and sector, when
When the tiling layer is rubber material or babbit, it is additionally provided with fan-shaped lath-shaped watt matrix, the tiling layer and second is forever
Magnet inner core vulcanization is that an entirety or tiling layer directly be electroplateds and be coated on permanent magnet inner core periphery, the inside of described watt of matrix and
Tiling layer closely connects, and the indent arc groove cooperation being arranged on outside setting circular arc boss and bear box constitutes tilting bush knot
Structure.
According to the above technical scheme, each fan-shaped lath-shaped bearing shell unit includes in segmental pad surface layer and fan-shaped second permanent magnet
Core, when tiling layer is Sai Long or flying dragon high molecular material, the fan-shaped second permanent magnet inner core is installed in fan-shaped stainless steel case
In vivo, the inside of the Stainless Steel Shell is Nian Jie with segmental pad surface layer, is arranged on outside setting circular arc boss and bear box
The cooperation of indent arc groove constitutes tilting bush structure.
According to the above technical scheme, each fan-shaped lath-shaped bearing shell unit includes segmental pad surface layer and fan-shaped second permanent magnet
Inner core, when tiling layer is copper, these non-magnetic metal materials of stainless steel, the tiling layer supports sectorial block shell structure, the
Two permanent magnet inner cores are embedded in tiling shell and use cover plate for sealing, on the setting of the outside of tiling layer circular arc boss and bear box
The indent arc groove cooperation of setting constitutes tilting bush structure.
It is obtained by the present invention to have the beneficial effect that
1. bearing arrangement is simple, easy to maintenance
Entire bearing is only made of components such as axle sleeve, bearing shell, watt matrix, stop ring washer and bear boxes, and structure is more simple
It is single.Watt base bottom circular arc boss is engaged with bear box semicircle arc fluting, and combines taper pin and stop retaining ring to lath
It carries out axial, circumferentially fixed, if the damage of a certain lath can be extracted taper pin with pin removal in bearing use process, and dismantles and stop
Dynamic retaining ring extraction lath is replaced, and maintenance is without dismantling entire bearing.
2. bearing operational reliability is high
Tiltable tile structure can rotate along shaft generate certain inclination in the process of running, and lubricating fluid is made to be easier to wedge
In surface of friction pair minim gap, to guarantee the formation of hydrodynamic lubrication.Using the tilting bush knot of circular arc boss and groove cooperation
Structure has biggish radial rigidity compared to support and the tilting bush structure of spherical support on position of the fulcrum, this is big to bearing
Stable operation provides structure and guarantees under load, slow-speed of revolution operating condition.Meanwhile permanent magnet inner core is arranged using Halbach array, this kind
Arrangement mode makes the side of permanent magnet converge the magnetic line of force, and weakens the magnetic line of force in the other side, achievees the effect that spontaneous shielding, prevents
Only because of bad operating caused by magnetizing associated components.
3. bearing has preferable greasy property and biggish bearing capacity
Bearing shell uses the mounting means of lath, and there are gaps between two pieces of adjacent tilings, are conducive to lubricating fluid engaging friction
Secondary surface generates good hydrodynamic lubrication and is carried, at the same these gaps of bearing operational process can impurity in water accumulation and by
Lubricating fluid takes the normal lubrication for guaranteeing bearing out of.There is the permanent magnet based on Halbach array in axle sleeve and bearing shell, in small―gap suture
Lower bearing and shaft room generate biggish magnetic force, magnetic force and liquid film power shared load, the case where not changing bearing size
Lower increase bearing load carrying capacity.
Detailed description of the invention
Fig. 1 is the bearing assembling schematic diagram of embodiment one provided by the invention.
Fig. 2 a, 2b are the axle sleeve structure schematic diagrames of embodiment one provided by the invention.
Fig. 3 is the cross-sectional view of one bearing shell of embodiment provided by the invention.
Fig. 4,5 are one watt of base structure schematic diagrames of embodiment provided by the invention.
Fig. 6 is that watt matrix and bear box cooperate schematic diagram in embodiment one provided by the invention.
Fig. 7 is one bear box structural schematic diagram of embodiment provided by the invention.
Fig. 8 is the stop catch coil structures schematic diagram of embodiment one provided by the invention.
Fig. 9 a, 9b are second of example structure schematic diagrams of the invention.
Figure 10 a, 10b are second of example structure schematic diagrams of the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
Embodiment one:
As shown in Figure 1, a kind of compound titling-pad journal bearing of magnetic liquid based on Halbach array is present embodiments provided,
Including axle sleeve 1, bearing shell 2, bear box 3 and stop retaining ring 4, axle sleeve 1, which is fixed in shaft, forms friction pair with bearing shell,
Bearing shell 2 is for undertaking bearing load.
The first permanent magnet inner core is equipped in the axle sleeve, the first permanent magnet inner core carries out radial and axial fill respectively
Magnetic, and being arranged according to Halbach linear array shape, is equipped with the second permanent magnet inner core in the bearing shell, in second permanent magnet
Core carry out respectively it is radial and axial magnetize, and arranged according to Halbach linear array shape, the first permanent magnet inner core in axle sleeve fills
The second permanent magnet inner core magnetizing direction in magnetic direction and bearing shell is produced on the contrary, make between axle sleeve and bearing shell that there are permanent magnet expulsive forces
Permanent magnet expulsive force and hydrodynamic lubrication generate film force shared bearing load.The bearing shell includes multiple circumferentially uniformly distributed fans
Shape lath-shaped bearing shell unit is equipped with the circular arc boss 204 being axially arranged in the outside of fan-shaped lath-shaped bearing shell unit, in fanning strip
The centerline direction that the end face of strip bearing shell unit is located at circular arc boss opens up pin hole 205, is inserted by bolt real in pin hole 205
Existing the axial of sector lath-shaped bearing shell unit, circumferential direction, radial direction position, and are arranged on circular arc boss 204 and bear box 3 interior
The cooperation of concave arc slot 301 constitutes tilting bush structure.
In the present embodiment, the axle sleeve structure is as described in Fig. 2 a, it is by copper shell 101, the first permanent magnet inner core 102 and lid
103 three parts of plate composition.First permanent magnet inner core 102 is embedded in copper shell 101, and is fixed with cover board 103 by screw, to reach
The purpose of isolation lubrication water.The first permanent magnet inner core 102 inside axle sleeve is bonded by multiple permanent magnet circle rings, each annulus
From rare earth material compacting go forward side by side conduct to and axial charging, finally arranged according to linear Halbach array, arrow side in Fig. 2 a
To for permanent magnet blocks magnetizing direction.For the permanent magnet inner core in major diameter axle sleeve, the permanent magnet circle ring block for forming it radially fills
Magnetic is more difficult, and Fig. 2 b gives a kind of combination of annulus, it is spliced by the sectorial block of several pieces of radial magnetizings, respectively
Strength glue sticking is used between sectorial block, arrow direction is single radial permanent magnet body block magnetizing direction in figure.
As shown in figure 5, the radius of the bear box indent arc groove 301 is r2, fillet α, the sector lath
204 radius of circular arc boss of shape bearing shell unit is r1, fillet β, wherein r1< r2, α < β.The circular arc boss distance of center circle watt
The angle, θ on boundary1Ratio with watt wrap angle is about 0.6~0.7.
As shown in figure 3, each sector lath-shaped bearing shell unit includes fan-shaped lath-shaped tiling layer 201 and fan-shaped lath-shaped second
Permanent magnet inner core 202.The tiling layer can be rubber, match dragon, the high molecular materials such as flying dragon, can also be babbit, copper, no
Become rusty the metal materials such as steel.When tiling layer is high molecular material, which is suitable for water lubrication field；When tiling layer is metal material
When material, which is suitable for oil lubrication field.
The present embodiment is illustrated so that the tiling layer 201 is rubber material or babbit as an example, when tiling layer 201 is
When rubber material or babbit, it is additionally provided with fan-shaped lath-shaped watt matrix 203, the Wa Ji as shown in Fig. 4/5, in the present embodiment
Body is the sector block structure as made of non-magnetic metal casting, and the tiling layer 201 and the vulcanization of the second permanent magnet inner core are one
Entirety or tiling layer, which are directly electroplated, is coated on permanent magnet inner core periphery, and the inside of described watt of matrix 203 and tiling layer are using strength
Glue sticking, outside are arranged the indent arc groove cooperation being arranged on circular arc boss and bear box and constitute tilting bush structure.Above-mentioned axis
Distance between set and bearing shell between permanent magnet inner core is δ, and value size is determined according to bearing size, Operation Conditions etc..
As shown in Figure 4,5,203 outside radius of machining of watt matrix is r1Circular arc boss.Boss top is along bearing axis
It is machined with pin hole 205, the angle, θ on boss distance of center circle watt boundary1Ratio with watt wrap angle is about 0.6~0.7.Watt base bottom
Round recessed cooperates in boss and bear box, and axially, radially and circumferentially position to watt matrix using stop retaining ring and pin,
It swing watt matrix can around boss during the work time, constitute tilting bush structure；The installation position of watt matrix has with shaft steering
It closes, wherein the angle on lubricating fluid inlet boss distance of center circle watt boundary is θ1.Watt 203 lower part circular arc boss of matrix is embedded in bearing
In shell arc groove, wherein the fillet of watt matrix underpart circular arc boss is β, the fillet of bear box inner circle inner circle arc fluting
For α；Eccentricity watt between matrix underpart circular arc boss and the bear box arc groove center of circle is e and two circle center line connectings pass through bearing
Center.
Fig. 7 is the bear box structure, its hollow cylinder structure as made of cast carbon steel is evenly arranged in inner circle
Having radius is r2The radial force arc-shaped groove 301 that positioning for watt matrix is subject to transmitting bearing shell, groove lower part is along bearing
Center line is threaded hole 302, is used for fixed stop retaining ring.
As shown in figure 8, the stop catch coil structures, it is process by stainless steel metal material.Stop retaining ring surface is equal
It is even to offer countersunk head through-hole 402 and pin hole 402, it is through-hole.Screw passes through the threaded hole that countersunk head through-hole 402 is screwed into bear box
In, axial restraint is carried out to fan-shaped lath-shaped bearing shell unit；Taper pin is inserted into the pin of stop retaining ring and fan-shaped lath-shaped bearing shell unit
In hole 205, to fan-shaped lath-shaped bearing shell unit carry out it is radial and axial be defined, make fan-shaped lath-shaped bearing shell unit can be around
Circular arc boss 204 is swung, and tilting bush structure is constituted.
Quick-changing type tilting bush magnetic liquid compound transverse bearing provided by the invention based on Halbach array, the course of work
It is as follows:
Entire bearing is submerged in water, and axle sleeve rotates counterclockwise with shaft, bearing working initial stage, due between axle sleeve and bearing shell
The effect of permanent-magnet, there are small gap between two surface of friction pair, water is brought into the wedge that lath and axle sleeve are formed by axle sleeve
In shape gap, play the role of lubrication and carrying；Film force and permanent magnet expulsive force are mutually coordinated when bearing steady operation, shared
Load.In bearing operational process, tiling layer is acted on by hydrodynamic pressure, and lath generates certain inclination around circular arc boss, is promoted
So that tiling layer and shaft room is generated key groove, be more advantageous to lubricating fluid and enter between two friction pairs, generates hydrldynamic pressure lubrication
Effect；When tailing axle revolving speed, radial-axial load change, liquid film power suffered by tiling material layer is variation, the inclined angle of lath
Degree changes correspondingly, and promotes to generate optimal key groove between tiling material layer and axle sleeve working face, so that it is dynamic to generate good fluid
Pressure lubricating performance.
Embodiment two:
As shown in figure 9, the present embodiment two is basically the same as the first embodiment, and the difference is that: the structure of bearing shell, this implementation
The bearing shell watt level 201 of example is to match the imperial materials such as flying dragon or graphite, which is primarily adapted for use in oil lubrication field, bearing shell permanent magnetism
Internal core sectorial block Halbach array, which puts in order, to put in order with axle sleeve annulus block on the contrary, existing forever i.e. between axle sleeve and bearing shell
The film force shared bearing load that magnetic repulsion, generated permanent magnet expulsive force and hydrodynamic lubrication generate.Fan is made in tiling layer 201
Shape block shell structure, the second permanent magnet inner core 202 are embedded in Stainless Steel Shell 206 and pass through screw fixing seal with cover board 207.
Lath cancellation watt base structure, the Machining Arc boss directly at 206 lower surface of Stainless Steel Shell, and partly with bear box inner circle
Arc groove cooperation constitutes tilting bush structure.Distance between above-mentioned axle sleeve and bearing shell between permanent magnet inner core is δ, value size according to
Bearing size, Operation Conditions etc. determine.
Embodiment three:
The present embodiment and the structure of embodiment one are essentially identical, the difference is that: the structure of bearing shell, bearing liner surface layer
201 be metal material, which is primarily adapted for use in oil lubrication field, the arrangement of bearing shell permanent magnet inner core sectorial block Halbach array
Sequence and axle sleeve annulus block put in order on the contrary, there are permanent magnet expulsive force i.e. between axle sleeve and bearing shell, generated permanent magnet expulsive force and dynamic
The film force shared bearing load that pressure lubricating generates.Sectorial block shell structure, the second permanent magnet inner core is made in tiling layer 201
Pass through screw fixing seal in 202 insertion tiling shells 201 and with cover board 207.Lath cancels watt base structure, directly in tiling
Machining Arc boss at 201 lower surface of shell, and cooperate with bear box inner circle arc fluting and constitute tilting bush structure.Above-mentioned axle sleeve
Distance between bearing shell between permanent magnet inner core is δ, and value size is determined according to bearing size, Operation Conditions etc..
Claims (9)
1. a kind of compound titling-pad journal bearing of magnetic liquid based on Halbach array, including axle sleeve, bearing shell, bear box and only
Dynamic retaining ring, it is characterised in that: the first permanent magnet inner core is equipped in the axle sleeve, the first permanent magnet inner core carries out radial direction respectively
And axial charging, and arranged according to Halbach linear array shape, is equipped with the second permanent magnet inner core in the bearing shell, described second
Permanent magnet inner core carry out respectively it is radial and axial magnetize, and arranged according to Halbach linear array shape, the first permanent magnetism in axle sleeve
The second permanent magnet inner core magnetizing direction in internal core magnetizing direction and bearing shell is on the contrary, make between axle sleeve and bearing shell that there are permanent magnetism reprimands
Power, the bearing shell include multiple circumferentially uniformly distributed fan-shaped lath-shaped bearing shell units, are set on the outside of fan-shaped lath-shaped bearing shell unit
There is circular arc boss, constitutes tilting bush structure with the indent arc groove cooperation being arranged on bear box.
2. titling-pad journal bearing according to claim 1, it is characterised in that: in the end face of fan-shaped lath-shaped bearing shell unit
Centerline direction positioned at circular arc boss opens up pin hole, and pin hole, the bear box and stop retaining ring are equipped on stop retaining ring
It is fixed by fixing piece, the sector lath-shaped bearing shell unit and stop retaining ring are limited by bolt, make fan-shaped lath-shaped bearing shell
Unit can be swung around circular arc boss.
3. titling-pad journal bearing according to claim 2, it is characterised in that: the bear box indent arc groove
Radius is r2, fillet α, the circular arc boss radius of the sector lath-shaped bearing shell unit is r1, fillet β, wherein r1< r2,
α < β.
4. titling-pad journal bearing according to claim 3, it is characterised in that: the circular arc boss distance of center circle watt boundary
Angle, θ1Ratio with watt wrap angle is about 0.6~0.7.
5. titling-pad journal bearing according to claim 1 or 2, it is characterised in that: the axle sleeve includes outside cylindric copper
Shell, the first permanent magnet inner core are circular ring structure, and multiple first permanent magnets are axially arranged in the toroidal cavity of copper shell.
6. titling-pad journal bearing according to claim 5, it is characterised in that: the first permanent magnet inner core of the annular shape
It is spliced by multiple radial magnetizing sectorial blocks.
7. titling-pad journal bearing according to claim 1 or 2, it is characterised in that: each sector lath-shaped bearing shell unit packet
Tiling layer and fan-shaped second permanent magnet inner core are included, when the tiling layer is rubber material or babbit, is additionally provided with sector
Lath-shaped watt matrix, the tiling layer and the vulcanization of the second permanent magnet inner core are that an entirety or tiling layer are directly electroplated and are coated on forever
Magnet inner core periphery, the inside of described watt of matrix are closely connect with tiling layer, are set on outside setting circular arc boss and bear box
The indent arc groove cooperation set constitutes tilting bush structure.
8. titling-pad journal bearing according to claim 1 or 2, it is characterised in that: each sector lath-shaped bearing shell unit packet
Segmental pad surface layer and fan-shaped second permanent magnet inner core are included, when tiling layer is Sai Long or flying dragon high molecular material, described fan-shaped the
Two permanent magnet inner cores are installed in fan-shaped stainless steel case body, and the inside of the Stainless Steel Shell is Nian Jie with segmental pad surface layer, outside
The indent arc groove cooperation being arranged on circular arc boss and bear box is set and constitutes tilting bush structure.
9. titling-pad journal bearing according to claim 1 or 2, it is characterised in that: each fan-shaped lath-shaped bearing shell list
Member includes segmental pad surface layer and fan-shaped second permanent magnet inner core, when tiling layer is copper, these non-magnetic metal materials of stainless steel,
The tiling layer supports sectorial block shell structure, and the second permanent magnet inner core is embedded in tiling shell and with cover plate for sealing, in tiling
The indent arc groove cooperation being arranged on the outside setting circular arc boss and bear box of layer constitutes tilting bush structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151812.9A CN109707736B (en) | 2019-02-28 | 2019-02-28 | Magnetic-hydraulic composite tilting pad radial bearing based on Halbach array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151812.9A CN109707736B (en) | 2019-02-28 | 2019-02-28 | Magnetic-hydraulic composite tilting pad radial bearing based on Halbach array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109707736A true CN109707736A (en) | 2019-05-03 |
| CN109707736B CN109707736B (en) | 2020-08-04 |
Family
ID=66266021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910151812.9A Active CN109707736B (en) | 2019-02-28 | 2019-02-28 | Magnetic-hydraulic composite tilting pad radial bearing based on Halbach array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109707736B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195741A (en) * | 2019-07-08 | 2019-09-03 | 恒力石化（大连）有限公司 | Off-gas expander tilting thrust bearing |
| CN110242669A (en) * | 2019-06-20 | 2019-09-17 | 迈格钠磁动力股份有限公司 | A kind of permanent magnetism Auxiliary support type water lubriucated bearing and sea transport equipment |
| CN110261803A (en) * | 2019-07-18 | 2019-09-20 | 宁波尼兰德磁业股份有限公司 | Halbach component |
| CN110993387A (en) * | 2019-11-26 | 2020-04-10 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Repulsion mechanism for ultra-fast circuit breaker |
| CN111853049A (en) * | 2020-06-15 | 2020-10-30 | 江苏大学 | Multi-angle adjustment and dead many connecting rods connecting device of lock |
| CN113323960A (en) * | 2021-05-08 | 2021-08-31 | 武汉理工大学 | Elastic support tilting pad magnetic liquid double-floating thrust bearing |
| CN114263678A (en) * | 2021-12-29 | 2022-04-01 | 北京金风科创风电设备有限公司 | Sliding bearing and wind generating set |
| CN114400125A (en) * | 2021-12-31 | 2022-04-26 | 昆山圆运升传动科技有限公司 | Solid column type magnet array and preparation method thereof |
| CN114688157A (en) * | 2020-12-25 | 2022-07-01 | 上海电气电站设备有限公司 | Liquid magnetic coupling bearing device for steam turbine and steam turbine |
| CN116753235A (en) * | 2023-08-22 | 2023-09-15 | 泉州海关综合技术服务中心 | Regulation and control device with tea garden pest behavior monitoring device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003214429A (en) * | 2002-01-22 | 2003-07-30 | Mitsubishi Heavy Ind Ltd | Superconductive magnetic bearing |
| KR100792792B1 (en) * | 2006-10-26 | 2008-01-14 | 한국기계연구원 | Magnetic bearing with double damper |
| US20110085752A1 (en) * | 2009-10-09 | 2011-04-14 | Dresser-Rand Company | Auxiliary bearing system for magnetically supported rotor system |
| CN108953377A (en) * | 2018-08-22 | 2018-12-07 | 合肥工业大学 | A kind of liquid magnetic composite bearing towards reusable rocket turbine pump |
-
2019
- 2019-02-28 CN CN201910151812.9A patent/CN109707736B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003214429A (en) * | 2002-01-22 | 2003-07-30 | Mitsubishi Heavy Ind Ltd | Superconductive magnetic bearing |
| KR100792792B1 (en) * | 2006-10-26 | 2008-01-14 | 한국기계연구원 | Magnetic bearing with double damper |
| US20110085752A1 (en) * | 2009-10-09 | 2011-04-14 | Dresser-Rand Company | Auxiliary bearing system for magnetically supported rotor system |
| CN108953377A (en) * | 2018-08-22 | 2018-12-07 | 合肥工业大学 | A kind of liquid magnetic composite bearing towards reusable rocket turbine pump |
Non-Patent Citations (2)
| Title |
|---|
| 李正贵 等: "水轮机磁悬浮导轴承动力学特性", 《中国农村水利水电》 * |
| 梁欢 等: "基于Halbach阵列的水轮发电机组永磁悬浮承重装置", 《电力建设》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242669A (en) * | 2019-06-20 | 2019-09-17 | 迈格钠磁动力股份有限公司 | A kind of permanent magnetism Auxiliary support type water lubriucated bearing and sea transport equipment |
| CN110242669B (en) * | 2019-06-20 | 2024-01-26 | 迈格钠磁动力股份有限公司 | Permanent magnet auxiliary support type water lubrication bearing and marine transportation equipment |
| CN110195741A (en) * | 2019-07-08 | 2019-09-03 | 恒力石化（大连）有限公司 | Off-gas expander tilting thrust bearing |
| CN110261803A (en) * | 2019-07-18 | 2019-09-20 | 宁波尼兰德磁业股份有限公司 | Halbach component |
| CN110261803B (en) * | 2019-07-18 | 2024-04-02 | 宁波尼兰德磁业股份有限公司 | Halbach assembly |
| CN110993387B (en) * | 2019-11-26 | 2021-10-26 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Repulsion mechanism for ultra-fast circuit breaker |
| CN110993387A (en) * | 2019-11-26 | 2020-04-10 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Repulsion mechanism for ultra-fast circuit breaker |
| CN111853049B (en) * | 2020-06-15 | 2022-06-21 | 江苏大学 | Multi-angle adjustment and dead many connecting rods connecting device of lock |
| CN111853049A (en) * | 2020-06-15 | 2020-10-30 | 江苏大学 | Multi-angle adjustment and dead many connecting rods connecting device of lock |
| CN114688157A (en) * | 2020-12-25 | 2022-07-01 | 上海电气电站设备有限公司 | Liquid magnetic coupling bearing device for steam turbine and steam turbine |
| CN113323960A (en) * | 2021-05-08 | 2021-08-31 | 武汉理工大学 | Elastic support tilting pad magnetic liquid double-floating thrust bearing |
| CN114263678A (en) * | 2021-12-29 | 2022-04-01 | 北京金风科创风电设备有限公司 | Sliding bearing and wind generating set |
| CN114400125A (en) * | 2021-12-31 | 2022-04-26 | 昆山圆运升传动科技有限公司 | Solid column type magnet array and preparation method thereof |
| CN116753235A (en) * | 2023-08-22 | 2023-09-15 | 泉州海关综合技术服务中心 | Regulation and control device with tea garden pest behavior monitoring device |
| CN116753235B (en) * | 2023-08-22 | 2023-12-26 | 泉州海关综合技术服务中心 | Regulation and control device with tea garden pest behavior monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109707736B (en) | 2020-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109707736A (en) | A kind of compound titling-pad journal bearing of magnetic liquid based on Halbach array | |
| WO2005122684A2 (en) | Methods of controlling the instability in fluid film bearings | |
| CN113048150B (en) | Magnetic gradient and array arrangement large-bearing magnetic liquid double-floating radial bearing | |
| CN103470319B (en) | For the journal shaft rim of turbine | |
| CN105114446B (en) | Variable ladder damps thrust bearing | |
| CN105882929A (en) | Water-lubricated thrust-radial combined bearing for shaftless propeller | |
| CN106763153B (en) | A kind of axial flow turbine booster floating thrust bearing | |
| CN108953377B (en) | A kind of liquid magnetic composite bearing towards reusable rocket turbine pump | |
| CN101571161B (en) | Magnetic sliding bearing | |
| CN109764063A (en) | A kind of water lubriucated bearing of the ship longitudinal different rigidity of big damping | |
| CN105650118B (en) | A kind of ship stern bearing that can improve bearing capacity | |
| KR20190015754A (en) | Rotary connections of a wind turbine, rotor blades and wind turbines including these rotor blades | |
| CN207892987U (en) | Self-lubricating bearing suitable for inner ring rotation | |
| CN113074253A (en) | Long-life light magnetohydrodynamic sealing device | |
| CN217055952U (en) | Thrust integrated water-lubricated bearing for rim propeller | |
| CN210509989U (en) | Wind power main shaft system with permanent magnetic suspension bearing | |
| CN110145542B (en) | Magnetic-pneumatic hybrid dynamic-static bearing and installation method thereof | |
| CN208874395U (en) | Hydrogen cooled generator double fluid ring sealing bearing bush with wedged-shaped oil film film strips viscous flow groove | |
| CN201257397Y (en) | Spiral classifier energy-saving axle head for mine | |
| RU112303U1 (en) | BEARING SLIDING MODULE PINUS (OPTIONS) | |
| CN202701402U (en) | Sliding bearing of high-precision lathe main shaft | |
| CN114198392B (en) | Axial fixed radial tilting combination bearing | |
| CN205033944U (en) | Permanent magnetism suspension bearing retainer's transmission shaft assembly | |
| CN220523086U (en) | Passive magnetic-air hybrid bearing structure | |
| CN219413263U (en) | Heavy-load permanent magnet suspension thrust bearing of mixed-flow hydroelectric generating set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |