CN101666354B - Magnetic suspension combined ball bearing - Google Patents
Magnetic suspension combined ball bearing Download PDFInfo
- Publication number
- CN101666354B CN101666354B CN 200910204084 CN200910204084A CN101666354B CN 101666354 B CN101666354 B CN 101666354B CN 200910204084 CN200910204084 CN 200910204084 CN 200910204084 A CN200910204084 A CN 200910204084A CN 101666354 B CN101666354 B CN 101666354B
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- China
- Prior art keywords
- utmost point
- magnetic pole
- spherical cap
- ring
- interior ring
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- 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.)
- Expired - Fee Related
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 68
- 239000000725 suspension Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000003302 ferromagnetic material Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- F16C39/00—Relieving load on bearings
- F16C39/06—Relieving load on bearings using magnetic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
A magnetic suspension combined ball bearing comprises an internal ring, an external ring and balls that are movably matched between the internal ring and the external ring; the internal ring and the external ring have the same central line; the ball consists of an upper ball cover, a lower ball cover, a through pipe and a movable magnetic pole; the upper ball cover is matched with an upper nozzle of the through pipe in an interference fit mode; the lower ball cover is matched with an lower nozzle of the through pipe in the interference fit mode; the movable magnetic pole is arranged in a cavity that is formed by the through pipe, the upper ball cover and the lower ball cover; the internal ring is provided with an internal fixed magnetic pole; and the external ring is provided with an external fixed magnetic pole. As the ball is internally provided with the movable magnetic pole, the internal ring is provided with the internal fixed magnetic pole and the external ring is provided with the external fixed magnetic pole, the balls bear the repulsion force of the internal fixed magnetic pole of the internal ring and the suction force of the external fixed magnetic pole of the external ring so that the balls are suspended on the internal ring between the internal ring and the external ring, the radial pressure of the balls on the internal ring is reduced, and the service life of the bearing is prolonged.
Description
Affiliated technical field
The present invention relates to a kind of bearing, particularly a kind of magnetic suspension combined ball bearing.
Background technique
When existing bearing was used, the ball of its bearing received pressure radially, the easy abrasion ball.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing technology, a kind of magnetic suspension combined ball bearing is provided, reduce the radial pressure that bearing ball receives.
The technological scheme that the present invention taked is: magnetic suspension combined ball bearing, include interior ring, outer shroud and ball, and ball is actively tied between interior ring and the outer shroud; Interior ring is identical with the center line of outer shroud, and ball constitutes the upper orifice interference fit of last spherical cap and siphunculus by last spherical cap, following spherical cap, siphunculus and moving magnetic pole; The lower nozzle interference fit of following spherical cap and siphunculus; Moving magnetic pole is positioned at siphunculus and last spherical cap and the die cavity that constitutes of spherical cap down, in be equipped with in the magnetostatic utmost point, be equipped with the outer magnetostatic utmost point outward.
Radial pressure for the internal ring of ball; Being shaped as of moving magnetic pole is cylindrical; The center line of moving magnetic pole is vertical with the center line of interior ring, in the magnetostatic utmost point be shaped as cylindrical, in the center line of the magnetostatic utmost point vertical with the center line of interior ring; Being shaped as of the outer magnetostatic utmost point is cylindrical, and the center line of the outer magnetostatic utmost point is vertical with the center line of interior ring.Moving magnetic pole with in magnetostatic utmost point polarity in opposite directions identical, the repulsive force of the magnetostatic utmost point in moving magnetic pole receives, moving magnetic pole is opposite with outer magnetostatic utmost point polarity in opposite directions, moving magnetic pole receives the attraction force of the magnetostatic utmost point outward.
The invention has the beneficial effects as follows: owing to be provided with moving magnetic pole in the ball; In be equipped with in the magnetostatic utmost point; Be equipped with the outer magnetostatic utmost point outward, the repulsive force of the magnetostatic utmost point and the attraction force that receives the outer magnetostatic utmost point of outer shroud in encircling in ball receives are suspended on the interior ring between interior ring and the outer shroud ball; Reduce the internally radial pressure of ring of ball, increased the working life of bearing.
Description of drawings
Fig. 1 is the magnetic suspension combined ball bearing structural representation;
Fig. 2 is the plan view of Fig. 1.
Embodiment
According to accompanying drawing and specific embodiment the present invention is further explained below:
Magnetic suspension combined ball bearing structural representation shown in Figure 1 and the plan view of Fig. 1 shown in Figure 2; Magnetic suspension combined ball bearing; Include interior ring (1), outer shroud (2) and ball (3), ball (3) is actively tied between interior ring (1) and the outer shroud (2), and interior ring (1) is identical with the center line of outer shroud (2); Ball (3) is made up of last spherical cap (4), following spherical cap (5), siphunculus (6) and moving magnetic pole (7); Upper orifice (8) interference fit of last spherical cap (4) and siphunculus (6), lower nozzle (9) interference fit of following spherical cap (5) and siphunculus (6), moving magnetic pole (7) is positioned at siphunculus (6) and last spherical cap (4) and the die cavity that constitutes of spherical cap (5) down; The magnetostatic utmost point (10) in interior ring (1) is provided with, outer shroud (2) are provided with the outer magnetostatic utmost point (11).
In order to make ball (3) obtain a magnetic suspension force, reduce the frictional force of ball (3) and interior ring (1), the last spherical cap (4) of ball (3) is actively tied in the arc ring (13) of outer shroud (2), and following spherical cap (5) is actively tied in the outer arcuate ring (12) of interior ring (1).Interior ring (1) is provided with cylindrical hole, and the aperture of the cylindrical hole of interior ring (1) is inside, and the center line of the cylindrical hole of interior ring (1) is vertical with the center line of interior ring (1), the magnetostatic utmost point (10) in the cylindrical hole of interior ring (1) there being interference fit.Outer shroud (2) is provided with cylindrical hole, and the aperture of the cylindrical hole of outer shroud (2) is outside, and the center line of the cylindrical hole of outer shroud (2) is vertical with the center line of outer shroud (2), and interference fit has the outer magnetostatic utmost point (11) in the cylindrical hole of outer shroud (2).Moving magnetic pole (7) with in the magnetostatic utmost point (10) polarity in opposite directions identical, the repulsive force of the magnetostatic utmost point (10) in moving magnetic pole (7) receives, moving magnetic pole (7) is opposite with the outer magnetostatic utmost point (11) polarity in opposite directions, move magnetic pole (7) receive outside the attraction force of the magnetostatic utmost point (11).Being shaped as of moving magnetic pole (7) is cylindrical; The center line of moving magnetic pole (7) is vertical with the center line of interior ring (1); In the magnetostatic utmost point (10) be shaped as cylindrical, in the center line of the magnetostatic utmost point (10) vertical with the center line of interior ring (1), being shaped as of the outer magnetostatic utmost point (11) is cylindrical; The center line of the outer magnetostatic utmost point (11) is vertical with the center line of interior ring (1), thereby makes ball (3) obtain the axial magnetic power opposite with centripetal force.
In order to make ball (3) have good intensity and to have good magnetic pole performance; Last spherical cap (4) is made up of the segment and the cylindrical body of one; Upper orifice (8) interference fit of the cylindrical body of last spherical cap (4) and siphunculus (6); Following spherical cap (5) is made up of the segment and the cylindrical body of one; The die cavity that spherical cap (5) constituted under lower nozzle (9) interference fit of the cylindrical body of following spherical cap (5) and siphunculus (6), siphunculus (6) reached with last spherical cap (4) is cylindrical, in moving magnetic pole (7) the interference fit cylindrical die cavity that spherical cap (5) constitutes under siphunculus (6) and last spherical cap (4) reach.In ring (1) and outer shroud (2) by the nonferromagnetic material manufacturing, the siphunculus (6) of ball (3), go up spherical cap (4) and down spherical cap (5) by the nonferromagnetic material manufacturing, moving magnetic pole (7), in the magnetostatic utmost point (10) and the outer magnetostatic utmost point (11) by the ferromagnetic material manufacturing.
For the magnetic suspension force that ball (3) is received evenly distributes; In the ring (1) be provided with a plurality of in the magnetostatic utmost point (10); Outer shroud (2) is provided with a plurality of outer magnetostatic utmost points (11), is provided with a plurality of balls (3) between interior ring (1) and the outer shroud (2), all is provided with moving magnetic pole (7) in each ball (3); Moving magnetic pole (7) in each ball (3) receives the repulsive force of the magnetostatic utmost point (10) in the interior ring (1), and the moving magnetic pole (7) in each ball (3) receives the attraction force of the magnetostatic utmost point (11) inside and outside the outer shroud (2).
The above only is preferred embodiment of the present invention, is not structure of the present invention is done how pro forma restriction; The sectional shape of the moving magnetic pole (7) in the ball (3) is a polygonal or oval; The sectional shape of the magnetostatic utmost point (10) is a polygonal or oval in the interior ring (1); The sectional shape of the outer magnetostatic utmost point (11) in the outer shroud (2) is a polygonal or oval; Every according to technical spirit of the present invention to any simple modification, equivalent variations and modification that above embodiment did, all be scope in technological scheme of the present invention.
Claims (9)
1. magnetic suspension combined ball bearing; Include interior ring (1), outer shroud (2) and ball (3), ball (3) is actively tied between interior ring (1) and the outer shroud (2), and interior ring (1) is identical with the center line of outer shroud (2); It is characterized in that: described ball (3) is made up of last spherical cap (4), following spherical cap (5), siphunculus (6) and moving magnetic pole (7); Upper orifice (8) interference fit of last spherical cap (4) and siphunculus (6), lower nozzle (9) interference fit of following spherical cap (5) and siphunculus (6), moving magnetic pole (7) is positioned at siphunculus (6) and last spherical cap (4) and the die cavity that constitutes of spherical cap (5) down; The magnetostatic utmost point (10) in interior ring (1) is provided with, outer shroud (2) are provided with the outer magnetostatic utmost point (11); Moving magnetic pole (7) with in the magnetostatic utmost point (10) polarity in opposite directions identical, the repulsive force of the magnetostatic utmost point (10) in moving magnetic pole (7) receives, moving magnetic pole (7) is opposite with the outer magnetostatic utmost point (11) polarity in opposite directions, move magnetic pole (7) receive outside the attraction force of the magnetostatic utmost point (11).
2. magnetic suspension combined ball bearing according to claim 1; It is characterized in that: being shaped as of described moving magnetic pole (7) is cylindrical; The center line of moving magnetic pole (7) is vertical with the center line of interior ring (1), in the magnetostatic utmost point (10) be shaped as cylindrical, in the center line of the magnetostatic utmost point (10) vertical with the center line of interior ring (1); Being shaped as of the outer magnetostatic utmost point (11) is cylindrical, and the center line of the outer magnetostatic utmost point (11) is vertical with the center line of interior ring (1).
3. magnetic suspension combined ball bearing according to claim 1; It is characterized in that: described upward spherical cap (4) is made up of the segment and the cylindrical body of one; Upper orifice (8) interference fit of the cylindrical body of last spherical cap (4) and siphunculus (6); Following spherical cap (5) is made up of the segment and the cylindrical body of one; The die cavity that spherical cap (5) constituted under lower nozzle (9) interference fit of the cylindrical body of following spherical cap (5) and siphunculus (6), siphunculus (6) reached with last spherical cap (4) is cylindrical, in moving magnetic pole (7) the interference fit cylindrical die cavity that spherical cap (5) constitutes under siphunculus (6) and last spherical cap (4) reach.
4. magnetic suspension combined ball bearing according to claim 1 is characterized in that: the last spherical cap (4) of described ball (3) is actively tied in the arc ring (13) of outer shroud (2), and following spherical cap (5) is actively tied in the outer arcuate ring (12) of interior ring (1).
5. magnetic suspension combined ball bearing according to claim 1; It is characterized in that: ring (1) and outer shroud (2) are by the nonferromagnetic material manufacturing in described; The siphunculus (6) of ball (3), go up spherical cap (4) and down spherical cap (5) by the nonferromagnetic material manufacturing, moving magnetic pole (7), in the magnetostatic utmost point (10) and the outer magnetostatic utmost point (11) by the ferromagnetic material manufacturing.
6. magnetic suspension combined ball bearing according to claim 1; It is characterized in that: described in the ring (1) be provided with a plurality of in the magnetostatic utmost point (10); Outer shroud (2) is provided with a plurality of outer magnetostatic utmost points (11), is provided with a plurality of balls (3) between interior ring (1) and the outer shroud (2), all is provided with moving magnetic pole (7) in each ball (3); Moving magnetic pole (7) in each ball (3) receives the repulsive force of the magnetostatic utmost point (10) in the interior ring (1), and the moving magnetic pole (7) in each ball (3) receives the attraction force of the magnetostatic utmost point (11) inside and outside the outer shroud (2).
7. magnetic suspension combined ball bearing according to claim 1; It is characterized in that: ring (1) is provided with cylindrical hole in described; The aperture of the cylindrical hole of interior ring (1) is inside; The center line of the cylindrical hole of interior ring (1) is vertical with the center line of interior ring (1), the magnetostatic utmost point (10) in the cylindrical hole of interior ring (1) there being interference fit.
8. magnetic suspension combined ball bearing according to claim 1; It is characterized in that: described outer shroud (2) is provided with cylindrical hole; The aperture of the cylindrical hole of outer shroud (2) is outside; The center line of the cylindrical hole of outer shroud (2) is vertical with the center line of outer shroud (2), and interference fit has the outer magnetostatic utmost point (11) in the cylindrical hole of outer shroud (2).
9. magnetic suspension combined ball bearing according to claim 1; It is characterized in that: the sectional shape of the moving magnetic pole (7) in the described ball (3) is a polygonal or oval; The sectional shape of the magnetostatic utmost point (10) is a polygonal or oval in the interior ring (1), and the sectional shape of the outer magnetostatic utmost point (11) that outer shroud (2) is interior is a polygonal or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910204084 CN101666354B (en) | 2009-09-26 | 2009-09-26 | Magnetic suspension combined ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910204084 CN101666354B (en) | 2009-09-26 | 2009-09-26 | Magnetic suspension combined ball bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101666354A CN101666354A (en) | 2010-03-10 |
| CN101666354B true CN101666354B (en) | 2012-03-07 |
Family
ID=41803096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910204084 Expired - Fee Related CN101666354B (en) | 2009-09-26 | 2009-09-26 | Magnetic suspension combined ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101666354B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3689635A4 (en) * | 2017-09-26 | 2020-11-25 | Jin, Yong-Gak | Levitating bicycle hub coupling structure |
| EP4007259A4 (en) * | 2019-07-23 | 2022-10-12 | LG Innotek Co., Ltd. | Camera actuator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518666B (en) * | 2011-12-31 | 2013-07-10 | 魏伯卿 | Self-aligning permanent magnet magnetic bearing |
| CN105864290B (en) * | 2015-01-21 | 2019-02-19 | 雷虹桥 | A kind of double-layer nested bearing of high speed of electromagnetism rate controlling |
| CN105134779B (en) * | 2015-10-20 | 2017-11-21 | 鞍山钢峰风机有限责任公司 | A kind of permanent magnetism magnetic suspension auxiliary bearing |
| RU170274U1 (en) * | 2016-10-13 | 2017-04-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный технический университет имени Гагарина Ю.А." (СГТУ имени Гагарина Ю.А.) | MAGNET BEARING |
| RU185370U1 (en) * | 2017-12-25 | 2018-12-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный технический университет имени Гагарина Ю.А." (СГТУ имени Гагарина Ю.А.) | MAGNET BEARING |
| CN108930715B (en) * | 2018-10-10 | 2020-06-19 | 杭州江河水电科技有限公司 | Bidirectional adjacent coprime magnetic force and roller hybrid thrust bearing system |
| CN109654119A (en) * | 2019-01-09 | 2019-04-19 | 哈尔滨理工大学 | Cylinder permanent magnet roller self-dispersing bearing |
| CN110762119A (en) * | 2019-08-09 | 2020-02-07 | 夏贤 | Rolling bearing |
| CN110630634A (en) * | 2019-10-03 | 2019-12-31 | 张耕乾 | Bearing with small friction and difficult deformation |
| CN114941655B (en) * | 2022-05-13 | 2024-02-13 | 马鞍山经纬回转支承股份有限公司 | Anti-tooth breakage slewing bearing for solar equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977739A (en) * | 1974-09-06 | 1976-08-31 | Ferrofluidics Corporation | Magnetic ball bearing assembly using ferrolubricants |
| CN2764994Y (en) * | 2005-01-20 | 2006-03-15 | 曲洪源 | Permanent-magnet magnetic suspension bearing |
| CN2929311Y (en) * | 2006-07-11 | 2007-08-01 | 张瑞彬 | Magnetic suspension bearing |
-
2009
- 2009-09-26 CN CN 200910204084 patent/CN101666354B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977739A (en) * | 1974-09-06 | 1976-08-31 | Ferrofluidics Corporation | Magnetic ball bearing assembly using ferrolubricants |
| CN2764994Y (en) * | 2005-01-20 | 2006-03-15 | 曲洪源 | Permanent-magnet magnetic suspension bearing |
| CN2929311Y (en) * | 2006-07-11 | 2007-08-01 | 张瑞彬 | Magnetic suspension bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3689635A4 (en) * | 2017-09-26 | 2020-11-25 | Jin, Yong-Gak | Levitating bicycle hub coupling structure |
| EP4007259A4 (en) * | 2019-07-23 | 2022-10-12 | LG Innotek Co., Ltd. | Camera actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101666354A (en) | 2010-03-10 |
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Owner name: NANTONG TONGZHOU DISTRICT PRODUCTIVITY PROMOTION C Free format text: FORMER OWNER: LIN ZHIYONG Effective date: 20130905 |
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Effective date of registration: 20130905 Address after: 226300, six floor, Xianghe Road, Jinsha Road, Jinsha Town, Nantong, Jiangsu, Tongzhou District Patentee after: Tongzhou District Nantong Productivity Promotion Center Address before: 529080, No. 1, Lane 7, garden village, off street office, Jiangmen, Guangdong Province, 605 Patentee before: Lin Zhiyong |
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Owner name: NANTONG DIHAO INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: NANTONG TONGZHOU DISTRICT PRODUCTIVITY PROMOTION CENTER Effective date: 20150626 |
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Effective date of registration: 20150626 Address after: 226300, Jiangsu, Nantong province Tongzhou District Zhang Chi Town Industrial Park Southern District Patentee after: Nantong Dihao Industrial Co., Ltd. Address before: 226300, six floor, Xianghe Road, Jinsha Road, Jinsha Town, Nantong, Jiangsu, Tongzhou District Patentee before: Tongzhou District Nantong Productivity Promotion Center |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20180926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |