CN108612753A - A kind of magnetorheological fluid hydrostatic support mixing magnetic bearing - Google Patents
A kind of magnetorheological fluid hydrostatic support mixing magnetic bearing Download PDFInfo
- Publication number
- CN108612753A CN108612753A CN201810767692.0A CN201810767692A CN108612753A CN 108612753 A CN108612753 A CN 108612753A CN 201810767692 A CN201810767692 A CN 201810767692A CN 108612753 A CN108612753 A CN 108612753A
- Authority
- CN
- China
- Prior art keywords
- axle
- permanent
- axle sleeve
- ring
- sleeve
- 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.)
- Pending
Links
Classifications
-
- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
-
- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a kind of magnetorheological fluid hydrostatic support mixing magnetic bearings, including multi-diameter shaft, the first and second end cap, the first and second side axle set, axle sleeve, eight enameled wire loops, the first and second reinforced seal, the first and second cutting ferrule, the first and second permanent-magnetic clamp and the first and second O-ring；Axle sleeve includes that outer ring is connected with inner ring splicing sleeve and by supporting rib column, and along outer ring there are four fuel feed hole, inner ring bearing is cased with hydrostatic support chamber；Multi-diameter shaft is there are five axle journal and is in symmetrical structure；Multi-diameter shaft is sleeved in axle sleeve；First and second permanent-magnetic clamp is sleeved on multi-diameter shaft, and the first and second permanent-magnetic clamp is diametrical magnetization, and outside is the poles S, and inside is the poles N；Supporting rib column is wound with enameled wire loop, and it is the poles N that supporting rib column, which is magnetized at the paraxial heart, after coil is powered, and is the poles S at separate axle center.The present invention is using magnetorheological fluid as lubricating oil, and when magnetorheological fluid flows through magnetic field, viscosity increases, and liquid resistive is big, and oil pocket pressure and bearing capacity, Static stiffness have promotion.
Description
Technical field
The present invention relates to the design field of sliding bearing, more particularly to a kind of heavy duty, big rigidity magnetorheological fluid hydrostatic support
Mix magnetic bearing.
Background technology
Hydrodynamic journal liquid polymers can constantly generate heat at work, and bearing temperature is made constantly to increase.Oil liquid temperature raising can make it
Viscosity continuously decreases, and the pressure of supporting cavity can be caused to reduce in this way, and the load capacity of bearing is made to reduce.The present invention is using magnetorheological
As lubricating fluid, when fluid flows through the magnetic field of permanent-magnetic clamp generation, its viscosity increases increases liquid so as to cause flow resistance, is conducive to
The foundation of supporting cavity support pressure can effectively improve the bearing capacity of bearing.
Invention content
According to the above-mentioned problems of the prior art, the present invention provides a kind of magnetorheological fluid hydrostatic support mixing magnetic force axis
It holds, the present invention is suitable for the workplace of high-bearing capacity and big rigidity.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions：
A kind of magnetorheological fluid hydrostatic support mixing magnetic bearing, including multi-diameter shaft, first end cover, second end cover, the first side
Axle sleeve, the second side axle sleeve, axle sleeve, eight enameled wire loops, the first reinforced seal, the second reinforced seal, the first cutting ferrule, the second card
Set, the first permanent-magnetic clamp, the second permanent-magnetic clamp, the first O-ring and the second O-ring；
The axle sleeve is revolving body, including outer ring and inner ring splicing sleeve, outer ring and inner ring splicing sleeve by eight circumferentially
Uniformly distributed supporting rib column connection, in the revolving body end face of outer ring, uniformly there are four installation through-holes for processing；Along outer ring revolving body circumferential direction
Uniformly processing is equipped with there are four the radial fuel feed hole by supporting rib column at each fuel feed hole on inner ring splicing sleeve inner periphery
Hydrostatic support chamber；The first and second O-ring slot is respectively equipped in the both ends of the surface of outer ring revolving body；
The first side axle set is revolving body, and in revolving body end face, uniformly there are four installation through-holes for processing, with the axle sleeve
Four installation through-holes on the revolving body end face of outer ring are corresponding；It is circumferentially machined with reinforced seal in the inner face of revolving body
Slot, uniformly there are four tapped blind holes for processing on outer end face；In the radially uniform processing of excircle upper edge, there are two oil outlets；It is described
The second side axle sleeve structure feature covers symmetrically the same with first side axle；
The first end cover is revolving body, and in revolving body end face, uniformly there are four installation through-holes for processing, with the side axle set
Four tapped blind holes on end face are corresponding；The structure feature of the second end cover and the structure feature of the first end cover are symmetrical
It is identical；
It is machined with the first axle journal, the second axle journal, third axle journal, the 4th axle journal and the 5th axle journal in the multi-diameter shaft, it is described
Multi-diameter shaft is in symmetrical structure relative to the radial section of its axial centre, and third axle journal is placed in the middle, the diameter of third axle journal>Second axis
The diameter of neck>The diameter of first axle journal；The screw thread of 10mm long is machined on second axle journal and the 4th axle journal respectively；
The assembly relation of the bearing is：The multi-diameter shaft is sleeved in the axle sleeve, and there are between 30 μm between each other
Gap；First permanent-magnetic clamp and the second permanent-magnetic clamp are set at the second axle journal and the 4th axle journal on multi-diameter shaft；First permanent-magnetic clamp
It is diametrical magnetization with the second permanent-magnetic clamp, outside is the poles S, and inside is the poles N；First permanent-magnetic clamp is carried out axial solid by the first cutting ferrule
Fixed, the second permanent magnet carries out axial restraint by the second cutting ferrule；Eight supporting rib columns on the axle sleeve are wound with enameled wire
Circle can magnetize supporting rib column after coil energization, make to be N at the paraxial heart of supporting rib column by the winding direction of control coil
Pole, far from being the poles S at axle center；There are 50 μm between inner ring splicing sleeve and the first permanent magnet and the second permanent magnet on the axle sleeve
Gap；The axle sleeve both sides are respectively provided with the first and second side axle set, and the first O-ring is inlaid in the first O-ring slot of the axle sleeve
It is interior, the second O-ring be inlaid in the axle sleeve in the second O-ring slot, prevent fluid radial leakage；First reinforced seal is embedded in
In the reinforced seal slot of the first side axle set, the second reinforced seal is inlaid in respectively in the reinforced seal slot of the second side axle sleeve, is prevented
Only fluid axial leakage, and the first side axle set, axle sleeve and the second side axle sleeve are connected and fixed by four stay bolts；The
One end lid is fastened on the outside of the first side axle set；Second end cover is fastened on the outside of the second side axle.
Due to the adoption of the above technical scheme, a kind of magnetorheological fluid hydrostatic support mixing magnetic bearing provided by the invention, with
The prior art, which is compared, has such advantageous effect：
The present invention is compared with common hydrostatic bearing, and the present invention is using magnetorheological fluid as lubricating oil.The cloth on multi-diameter shaft
It is equipped with permanent-magnetic clamp, it is the poles S that permanent-magnetic clamp inside, which is on the outside of the poles N, and stable magnetic field is formed between permanent-magnetic clamp and supporting rib；When magnetorheological
When liquid stream is through magnetic field, viscosity increases, and liquid resistive is big, and oil pocket pressure and bearing capacity, Static stiffness have promotion.
Description of the drawings
Fig. 1 is a kind of magnetorheological fluid hydrostatic support mixing magnetic bearing general illustration；
Fig. 2 is a kind of magnetorheological fluid hydrostatic support mixing magnetic bearing sectional view；
(a) is the schematic front view of axle sleeve in Fig. 3, is (b) the diagrammatic side-view cross-sectional schematic diagram of axle sleeve, is (c) vertical view of axle sleeve
Schematic cross-sectional view, (d) be axle sleeve shaft side figure；
(a) is the schematic front view of the first side axle set in Fig. 4, is (b) the diagrammatic side-view cross-sectional schematic diagram of the first side axle set, (c)
It is the vertical view schematic cross-sectional view of the first side axle set, is (d) the first side axle set shaft side figure
(a) is the schematic front view of first end cover in Fig. 5, is (b) schematic side view of first end cover；
Fig. 6 is multi-diameter shaft schematic diagram.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings：
An a kind of preferred embodiment of magnetorheological fluid hydrostatic support mixing magnetic bearing of the present invention, as shown in Figs. 1-2, packet
Include multi-diameter shaft 1, first end cover 3, second end cover 13, the first side axle set 4, the second side axle sleeve 7,9, eight enameled wire loops 14 of axle sleeve,
First reinforced seal 22, the second reinforced seal 15, the first cutting ferrule 21, the second cutting ferrule 16, the first permanent-magnetic clamp 20, the second permanent-magnetic clamp
17, the first O-ring 19 and the second O-ring 18.
In Fig. 3 shown in (a), (b), (c) and (d), the axle sleeve 9 is revolving body, and outer diameter 138mm, internal diameter 62mm are long
The supporting rib that 69mm, including outer ring 27 and inner ring splicing sleeve 26, outer ring 27 and inner ring splicing sleeve 26 are uniformly distributed along the circumference by eight
Column 25 connects, and each supporting rib column 25 width 15mm, axial length 55mm, are highly 16.25mm；Revolving body end face in outer ring 27
Uniformly there are four installation through-hole 23, a diameter of 9mm of installation through-hole 23 for processing；Circumferentially it is uniformly machined with four along 27 revolving body of outer ring
A radial fuel feed hole 29 by supporting rib column, a diameter of 10mm of fuel feed hole 29 are every on 26 inner periphery of inner ring splicing sleeve
Hydrostatic support chamber 31,31 inner edge projection rectangle of hydrostatic support chamber long 40mm, wide 39.85mm are equipped at a fuel feed hole 29, thickness is
0.75mm；Mounting platform 24 is machined at each fuel feed hole on 27 excircle of outer ring, mounting platform 24 is apart from 9 center of axle sleeve
Distance be 68mm；The first and second O-ring slot 28 and 30, the first O-ring slot are respectively equipped in the both ends of the surface of 27 revolving body of outer ring
28 is identical as 30 size of the second O-ring slot, outer diameter 112.6mm, internal diameter 107.4mm, depth 1.28mm；The axle sleeve 9
Inner surface carries out zinc-plated processing.
In Fig. 4 (a), (b), shown in (c) and (d), the first side axle set 4 is revolving body, outer diameter 138mm, interior
Diameter is 64mm, and thickness 23mm is made of stainless steel material, is uniformly processed there are four installation through-hole 32 in revolving body end face,
It is corresponding with four installation through-holes 23 on the revolving body end face of 9 outer ring 27 of the axle sleeve, a diameter of 9mm of installation through-hole 32；
It is circumferentially machined with reinforced seal slot 35, reinforced seal slot 35 a diameter of 68mm, depth 8mm in the inner face of revolving body；
Uniformly there are four tapped blind holes 36 for processing on outer end face, and tapped blind hole 36 is that size is M5；Excircle upper edge it is radially uniform plus
There are two oil outlet 34,34 a diameter of 10mm of oil outlet, and it is flat that installation is machined on the excircle of each oil outlet 34 for work
Platform 33；7 structure feature of the second side axle sleeve and size and first side axle set 4 are symmetrically the same, and material is also identical.
In Fig. 5 shown in (a) and (b), the first end cover 3 is revolving body, and outer diameter 108mm, internal diameter 60mm are thick
Degree is 5mm, is made of stainless steel material, and in revolving body end face, uniformly there are four installation through-hole 37, through-hole 37 is a diameter of for processing
It is corresponding to cover four tapped blind holes 36 on 4 end faces with the side axle by 6mm；The structure feature and size of the second end cover 13
Symmetrically the same with the structure feature of the first end cover 3, material is also identical.As shown in fig. 6,1 material of the multi-diameter shaft is stainless
Steel material is machined with the first axle journal 36, the second axle journal 37, third axle journal 38, the 4th axle journal 39 and the 5th axis in the multi-diameter shaft 1
Neck 40, the multi-diameter shaft 1 are in symmetrical structure relative to the radial section of its axial centre, and third axle journal 38 is placed in the middle；First axle journal
36 a diameter of 50mm, length 70mm；A diameter of 52mm of second axle journal 37, length 20mm, and it is machined with 10mm's
Screw thread；A diameter of 62mm of third axle journal 38, length 40mm；The size phase of the size of 4th axle journal 39 and the second axle journal 37
Together, the size of the 5th axle journal 40 is identical as the size of the first axle journal 36.
As shown in Fig. 2, the assembly relation of the bearing is：The multi-diameter shaft 1 is sleeved in the axle sleeve 9, between each other
There are 30 μm of gaps；The outer diameter of first permanent magnet 20 is 62mm, internal diameter 52mm, thickness 10mm；Second permanent magnet 17
Structure size is identical as the structure size of the first permanent magnet 20；First permanent-magnetic clamp 20 and the second permanent-magnetic clamp 17 are set in ladder
At the second axle journal 37 and the 4th axle journal 39 on axis 1；First permanent-magnetic clamp 20 and the second permanent-magnetic clamp 17 are diametrical magnetization, and outside is
The poles S, inside are the poles N；The outer diameter of first cutting ferrule 21 is 60mm, and internal diameter 52mm, thickness 10mm, inner ring is threaded and rank
The screw thread of the second axle journal 37 matches on terraced axis, and the structure size of the second cutting ferrule 16 is identical as the structure size of the first cutting ferrule 21,
Its inner ring is threaded to be matched with the screw thread of the 4th axle journal 39 on multi-diameter shaft；First permanent-magnetic clamp 20 by the first cutting ferrule 21 into
Row axial restraint, the second permanent magnet 17 carry out axial restraint by the second cutting ferrule 16；Eight supporting rib columns on the axle sleeve 9
25 are wound with enameled wire loop 14, can magnetize supporting rib column 25 after the energization of coil 14, pass through the winding side of control coil 14
To making to be the poles N at the 25 paraxial heart of supporting rib column, far from axle center for the inner ring splicing sleeve 26 and first on the S extremely axle sleeve 9 forever
There are 50 μm of gaps between magnet 20 and the second permanent magnet 17；9 both sides of the axle sleeve are respectively provided with the first and second side axle set 4,7；
First and second O-ring 19,18 sizes are identical, a diameter of 110.8mm, sectional area 2.54mm2；First O-ring 19 is inlaid in institute
State in the first O-ring slot 28 of axle sleeve 9, the second O-ring 18 be inlaid in the axle sleeve 9 in the second O-ring slot 30, prevent oil
Liquid radial leakage；First reinforced seal 22 is inlaid in the reinforced seal slot 35 of the first side axle set 4, the second reinforced seal 15 difference
It is inlaid in the reinforced seal slot of the second side axle sleeve 7, prevents fluid axial leakage, and by four stay bolts 12 by the first side axle
Set 4, axle sleeve 9 and the second side axle sleeve 7 are connected and fixed；First end cover 3 secures it within the first side axle by four screws
In the tapped blind hole 36 of set 4；Second end cover 13 is secured it within by four screws in the tapped blind hole of the second side axle sleeve 7.
Magnetorheological fluid flows into bearing by fuel feed hole 29 when the present invention works, and pressure is formed to ladder into hydrostatic support chamber 31
Axis 1 plays supporting role.Then magnetorheological fluid is flowed out by the gap between multi-diameter shaft 1 and axle sleeve 9 from hydrostatic support chamber 31, stream
Enter the gap between the first and second permanent magnet 20,17 and axle sleeve 9.First and second permanent magnet 20,17 outside magnetic poles are the poles S, inside N
Pole is the poles N at the paraxial heart of supporting rib column, far from being the poles S, electromagnet and the first and second shape between gap of permanent magnet 20,17 at axle center
At stable magnetic field.When magnetorheological fluid flows through the gap full of magnetic field under the influence of a magnetic field the particle of magnetorheological fluid by mixed and disorderly
Distribution becomes regular distribution, and particle limits the flowing of liquid along the arrangement of magnetic direction chain pencil, increases the stream of magnetorheological fluid
Dynamic resistance, and then the pressure in hydrostatic support chamber 31 is increased, improve the bearing capacity of bearing.Magnetorheological fluid from first and second forever
Since the influence magnetorheological fluid without magnetic field is restored to pervious state after gap outflow between magnet 20,17 and axle sleeve,
Flow resistance reduces, and flows out bearing by oil outlet 34.
Claims (1)
1. a kind of magnetorheological fluid hydrostatic support mixing magnetic bearing, it is characterised in that：The bearing includes multi-diameter shaft, first end
Lid, second end cover, the first side axle set, the second side axle sleeve, axle sleeve, eight enameled wire loops, the first reinforced seal, the second skeleton are close
Envelope, the first cutting ferrule, the second cutting ferrule, the first permanent-magnetic clamp, the second permanent-magnetic clamp, the first O-ring and the second O-ring；
The axle sleeve is revolving body, including outer ring and inner ring splicing sleeve, outer ring and inner ring splicing sleeve be uniformly distributed along the circumference by eight
The connection of supporting rib column, uniformly processed there are four installation through-hole in the revolving body end face of outer ring；Along outer ring, revolving body is circumferentially uniform
Processing is equipped with static pressure there are four the radial fuel feed hole by supporting rib column at each fuel feed hole on inner ring splicing sleeve inner periphery
Supporting cavity；The first and second O-ring slot is respectively equipped in the both ends of the surface of outer ring revolving body；
The first side axle set is revolving body, and in revolving body end face, uniformly there are four installation through-holes for processing, with the axle sleeve outer ring
Revolving body end face on four installation through-holes it is corresponding；It is circumferentially machined with reinforced seal slot in the inner face of revolving body,
Uniformly there are four tapped blind holes for processing on outer end face；In the radially uniform processing of excircle upper edge, there are two oil outlets；Described second
Side axle nested structure feature covers symmetrically the same with first side axle；
The first end cover is revolving body, and in revolving body end face, uniformly there are four installation through-holes for processing, with the side end face of shaft bush
On four tapped blind holes it is corresponding；The symmetrical phase of structure feature of the structure feature of the second end cover and the first end cover
Together；
It is machined with the first axle journal, the second axle journal, third axle journal, the 4th axle journal and the 5th axle journal, the ladder in the multi-diameter shaft
Axis is in symmetrical structure relative to the radial section of its axial centre, and third axle journal is placed in the middle, the diameter of third axle journal>Second axle journal
Diameter>The diameter of first axle journal；The screw thread of 10mm long is machined on second axle journal and the 4th axle journal respectively；
The assembly relation of the bearing is：The multi-diameter shaft is sleeved in the axle sleeve, and there are 30 μm of gaps between each other；The
One permanent-magnetic clamp and the second permanent-magnetic clamp are set at the second axle journal and the 4th axle journal on multi-diameter shaft；First permanent-magnetic clamp and second
Permanent-magnetic clamp is diametrical magnetization, and outside is the poles S, and inside is the poles N；First permanent-magnetic clamp carries out axial restraint by the first cutting ferrule, the
Two permanent magnets carry out axial restraint by the second cutting ferrule；Eight supporting rib columns on the axle sleeve are wound with enameled wire loop, when
Coil can magnetize supporting rib column after being powered, and make to be the poles N at the paraxial heart of supporting rib column by the winding direction of control coil, far
It is the poles S at the off-axis heart；There are between 50 μm between inner ring splicing sleeve and the first permanent magnet and the second permanent magnet on the axle sleeve
Gap；The axle sleeve both sides are respectively provided with the first and second side axle set, and the first O-ring is inlaid in the first O-ring slot of the axle sleeve,
Second O-ring be inlaid in the axle sleeve in the second O-ring slot, prevent fluid radial leakage；First reinforced seal is inlaid in
In the reinforced seal slot of first side axle set, the second reinforced seal is inlaid in respectively in the reinforced seal slot of the second side axle sleeve, is prevented
Fluid axial leakage, and the first side axle set, axle sleeve and the second side axle sleeve are connected and fixed by four stay bolts；First
End cap is fastened on the outside of the first side axle set；Second end cover is fastened on the outside of the second side axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767692.0A CN108612753A (en) | 2018-07-13 | 2018-07-13 | A kind of magnetorheological fluid hydrostatic support mixing magnetic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767692.0A CN108612753A (en) | 2018-07-13 | 2018-07-13 | A kind of magnetorheological fluid hydrostatic support mixing magnetic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108612753A true CN108612753A (en) | 2018-10-02 |
Family
ID=63666407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810767692.0A Pending CN108612753A (en) | 2018-07-13 | 2018-07-13 | A kind of magnetorheological fluid hydrostatic support mixing magnetic bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108612753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927883A (en) * | 2020-07-27 | 2020-11-13 | 燕山大学 | Active double-repulsion type magnetic-liquid double-suspension radial bearing system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4809354A (en) * | 1986-12-10 | 1989-02-28 | Nippon Seiko Kabushiki Kaisha | Hydrostatic bearing utilizing a ferromagnetic fluid |
| JPH09303397A (en) * | 1996-05-17 | 1997-11-25 | Nippon Seiko Kk | Spindle device |
| US20130249337A1 (en) * | 2012-03-22 | 2013-09-26 | Samsung Electro-Mechanics Co., Ltd. | Hydrodynamic bearing module and spindle motor having the same |
| CN204099410U (en) * | 2014-10-12 | 2015-01-14 | 张广 | A kind of roller bearing with integrated damper based on magnetic rheology effect |
| JP2015171165A (en) * | 2014-03-04 | 2015-09-28 | 国立大学法人東京工業大学 | Motor and motor system |
| CN204716762U (en) * | 2015-04-27 | 2015-10-21 | 重庆通用工业(集团)有限责任公司 | A kind of hydrodynamic sliding bearing device |
| CN106640966A (en) * | 2017-02-17 | 2017-05-10 | 燕山大学 | Magnetic fluid double suspension driving and driven radial bearing |
| CN107165937A (en) * | 2017-04-21 | 2017-09-15 | 燕山大学 | A kind of journal bearing of the dual supporting of electromagnetism static pressure |
| CN108180222A (en) * | 2017-12-29 | 2018-06-19 | 上海应用技术大学 | Magnetic fluid sliding bearing |
-
2018
- 2018-07-13 CN CN201810767692.0A patent/CN108612753A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4809354A (en) * | 1986-12-10 | 1989-02-28 | Nippon Seiko Kabushiki Kaisha | Hydrostatic bearing utilizing a ferromagnetic fluid |
| JPH09303397A (en) * | 1996-05-17 | 1997-11-25 | Nippon Seiko Kk | Spindle device |
| US20130249337A1 (en) * | 2012-03-22 | 2013-09-26 | Samsung Electro-Mechanics Co., Ltd. | Hydrodynamic bearing module and spindle motor having the same |
| JP2015171165A (en) * | 2014-03-04 | 2015-09-28 | 国立大学法人東京工業大学 | Motor and motor system |
| CN204099410U (en) * | 2014-10-12 | 2015-01-14 | 张广 | A kind of roller bearing with integrated damper based on magnetic rheology effect |
| CN204716762U (en) * | 2015-04-27 | 2015-10-21 | 重庆通用工业(集团)有限责任公司 | A kind of hydrodynamic sliding bearing device |
| CN106640966A (en) * | 2017-02-17 | 2017-05-10 | 燕山大学 | Magnetic fluid double suspension driving and driven radial bearing |
| CN107165937A (en) * | 2017-04-21 | 2017-09-15 | 燕山大学 | A kind of journal bearing of the dual supporting of electromagnetism static pressure |
| CN108180222A (en) * | 2017-12-29 | 2018-06-19 | 上海应用技术大学 | Magnetic fluid sliding bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927883A (en) * | 2020-07-27 | 2020-11-13 | 燕山大学 | Active double-repulsion type magnetic-liquid double-suspension radial bearing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107100930B (en) | A kind of electromagnetism-static pressure dual suspension thrust bearing | |
| US12005248B2 (en) | Rotor bearing system | |
| US4254961A (en) | Seal for fluid bearings | |
| EP0289980A2 (en) | Submersible pump, in particular for low-boiling liquids | |
| US7129609B1 (en) | Magneto-fluidic seal with wide working temperature range | |
| CN106969033B (en) | A kind of transverse bearing of the dual suspension of electromagnetism-static pressure | |
| CN107165937B (en) | A kind of transverse bearing of the dual bearing of electromagnetism-static pressure | |
| CN108612743B (en) | Passive magnetic-liquid double-suspension dynamic pressure bearing | |
| US20140377101A1 (en) | Wet rotor pump comprising a plain bearing | |
| US20150004032A1 (en) | Wet rotor pump comprising power electronics | |
| US3899223A (en) | Magnetic bearing | |
| CN108612753A (en) | A kind of magnetorheological fluid hydrostatic support mixing magnetic bearing | |
| CN107100878B (en) | Magnetic pump with magnetic suspension bearing | |
| CN108050157A (en) | A kind of magnetic liquid dual suspension supports Disjunction type cone bearing | |
| CN108547869B (en) | A kind of magnetic liquid dual suspension bearing support system | |
| KR20120006717A (en) | Hydrodynamic bearing assembly and motor including the same | |
| CN108331837A (en) | A kind of magnetorheological fluid hydrostatic support bearing | |
| CN100543324C (en) | Hydrodynamic bearing apparatus and the whirligig that uses it | |
| CN108488233A (en) | A kind of magnetism dual suspension cod with porous media | |
| CN108050158B (en) | Magnetic-liquid double-suspension supporting conical bearing | |
| US10393171B2 (en) | Fluid dynamic bearing and spindle motor | |
| CN109505865B (en) | Magnetic-liquid double-suspension dynamic pressure bearing | |
| CN107237820A (en) | A kind of passive journal bearing of dual suspension of electromagnetism hydrostatic | |
| CN108612757B (en) | Active magnetorheological fluid hydrostatic bearing | |
| CN108612754A (en) | A kind of passive-type magnetic liquid dual suspension Disjunction type cone bearing |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181002 |
|
| WD01 | Invention patent application deemed withdrawn after publication |