CN103062220A - Slide bearing with grooves and lubricating method - Google Patents
Slide bearing with grooves and lubricating method Download PDFInfo
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- CN103062220A CN103062220A CN2013100085043A CN201310008504A CN103062220A CN 103062220 A CN103062220 A CN 103062220A CN 2013100085043 A CN2013100085043 A CN 2013100085043A CN 201310008504 A CN201310008504 A CN 201310008504A CN 103062220 A CN103062220 A CN 103062220A
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- water
- magnetic fluid
- based magnetic
- sliding bearing
- slide bearing
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Abstract
The invention discloses a slide bearing with grooves and a lubricating method, wherein the slide bearing with grooves comprises an inner hole and an excircle; an inner groove is arranged in the middle of the inner hole and two ends of the excircle are provided with outer grooves; the outer grooves are provided with permanent magnets; a magnetofluid hole is formed between each outer groove and the middle of the slide bearing; the permanent magnets are annular permanent magnets; each outer groove is internally provided with a plurality of annular permanent magnets which are separated by permanent magnet baffle rings; and elastic baffle rings are arranged between the annular permanent magnets and axial end surfaces of the outer grooves. The tensioning degree among the magnets is regulated by regulating the number or widths of the elastic baffle rings among the magnets, the operation comprises the following step that water-based magnetic fluid lubricating agents are injected between the slide bearing and a matched surface of a rotary shaft through the magnetofluid hole, wherein the water-based magnetic fluid lubricating agents mainly comprise a water-based liquid carrier, water-based magnetic fluid nano Fe3O4 particles and polyaniline surface active agents. Lubrication without leakage can be realized, so that the slide bearing is environment-friendly, and can operate reliably, thus the service life of the slide bearing is prolonged.
Description
Technical field
The present invention relates to the bearing lubrication technical field, relate in particular to a kind of band groove sliding bearing and lubricating method.
Background technique
The lubricated employing oil lubrication of the sliding bearing of prior art adopts the shortcoming of oil lubrication method to be, supports lubricated end and produces easily the end leakage, causes the bad even bearing failure of bearing lubrication, causes device damage, causes easily environmental pollution after the oil leak.
Summary of the invention
Purpose of the present invention is exactly in order to solve the prior art above shortcomings; A kind of band groove sliding bearing is provided; The Used in Boundary Lubrication of Magnetic Fluids film thickness of bearing band groove is larger; pressure is less; easier realization full fluid film lubrication; reduced friction and wear; the water-based magnetic fluid oiling agent is under magnetic fields and under the groove double shielding effect; that can realize not leaking fully is lubricated, makes more environmental protection of sliding bearing, works reliably, has prolonged sliding bearing life.
The present invention also provides a kind of lubricating method with the groove sliding bearing.
For achieving the above object, the present invention adopts following technological scheme:
A kind of band groove sliding bearing comprises endoporus, cylindrical, and described endoporus middle part is provided with inner groovy, the cylindrical two ends are provided with outer groove, and outer groove is provided with permanent magnet, is provided with the magnetic current body opening between outer groove and the sliding bearing middle part, and described permanent magnet is annular permanent magnet.
Be provided with a plurality of annular permanent magnets in each outer groove, separate by the permanent magnet spacer ring between a plurality of annular permanent magnets, be provided with the elasticity spacer ring between annular permanent magnet and the outer groove axial end.Quantity by adjusting elasticity spacer ring between the magnet or width are adjusted the tightness between the magnet.
With the lubricating method of groove sliding bearing, comprise the steps: the water-based magnetic fluid oiling agent is injected between the fitting surface of sliding bearing and rotatingshaft by the magnetic current body opening, described water-based magnetic fluid oiling agent is mainly by water base carrier fluid, water-based magnetic fluid nanometer Fe
3O
4Particle, polyaniline surface active agent form.
Described water-based magnetic fluid nanometer Fe
3O
4Particle shared volume fraction in solution is 10%, is enclosed with the water-based magnetic fluid nanometer Fe of surface active agent
3O
4The diameter dimension of particle is 10nm.
The invention has the beneficial effects as follows:
1. the Used in Boundary Lubrication of Magnetic Fluids film thickness of bearing band groove is large, and pressure is little, realizes full fluid film lubrication, reduces friction and wear.
2. with water-based magnetic fluid lubrication belt groove sliding bearing, Used in Boundary Lubrication of Magnetic Fluids film thickness is large, and pressure is little, and easier realization full fluid film lubrication has reduced friction and wear.
3. the water-based magnetic fluid oiling agent is under magnetic fields and under the groove double shielding effect, and that can realize not leaking fully is lubricated, makes more environmental protection of sliding bearing, works reliably, has prolonged sliding bearing life.
Description of drawings
Fig. 1 is structural representation of the present invention;
Lubricating film pressure-plotting when Fig. 2 water-based magnetic fluid lubrication belt groove bearing and smooth bearing;
Lubricating film film thickness distribution figure when Fig. 3 water-based magnetic fluid lubrication belt groove bearing and smooth bearing;
Lubricating film pressure-plotting when Fig. 4 water and water-based magnetic fluid lubrication belt groove bearing;
Lubricating film film thickness distribution figure when Fig. 5 water and water-based magnetic fluid lubrication belt groove bearing;
Wherein, 1. sliding bearing, 2. magnetic current body opening, 3. annular permanent magnet, 4. permanent magnet spacer ring, 5. inner groovy, 6. elasticity spacer ring, 7. water-based magnetic fluid, 8. rotatingshaft.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and embodiment.
A kind of band groove sliding bearing in conjunction with Fig. 1 to Fig. 5, comprises endoporus, cylindrical, described endoporus middle part is provided with inner groovy 5, the cylindrical two ends are provided with outer groove, outer groove is provided with permanent magnet, is provided with magnetic current body opening 2 between outer groove and sliding bearing 1 middle part, and described permanent magnet is annular permanent magnet 3.Be provided with a plurality of annular permanent magnets 3 in each outer groove, separate by permanent magnet spacer ring 4 between a plurality of annular permanent magnets 3, be provided with elasticity spacer ring 6 between annular permanent magnet 3 and the outer groove axial end.Quantity by adjusting elasticity spacer ring 6 between the annular permanent magnet 3 or width are adjusted the tightness between the annular permanent magnet 3.
With the lubricating method of groove sliding bearing, comprise the steps: water-based magnetic fluid 7 oiling agents are injected between the fitting surface of sliding bearing 1 and rotatingshaft 8 by the magnetic current body opening, described water-based magnetic fluid oiling agent is mainly by water base carrier fluid, water-based magnetic fluid nanometer Fe
3O
4Particle, polyaniline surface active agent form.Described water-based magnetic fluid nanometer Fe
3O
4Particle shared volume fraction in solution is 10%, is enclosed with the water-based magnetic fluid nanometer Fe of surface active agent
3O
4The diameter dimension of particle is 10nm.The shape of surface active agent is subsphaeroidal more, and the nano particle of asking that is in two friction pairs rolls when friction pair intercropping relative movement easily, just sliding friction is become rolling friction like this on microcosmic, thus decrease friction factor, reduce wearing and tearing.By adopting water base be carrier fluid, nanometer Fe
3O
4The water-based magnetic fluid oiling agent of particle and polyaniline surface active agent is under magnetic fields and under the groove double shielding effect, and that can realize not leaking fully is lubricated, makes more environmental protection of sliding bearing, works reliably, has prolonged sliding bearing life.When Fig. 2 is magnetic induction intensity 20mt, Fe
3O
4The volume fraction of magnetic is 10% and nano particle when being 10nm, the pressure during the water-based magnetic fluid lubrication sliding bearing and film thickness distribution figure.By Fig. 2, Fig. 3 as can be known, the Used in Boundary Lubrication of Magnetic Fluids film thickness of bearing band groove is larger, and pressure is less, and easier realization full fluid film lubrication has reduced friction and wear.By Fig. 4, Fig. 5 as can be known, during with water-based magnetic fluid lubrication belt groove sliding bearing, Used in Boundary Lubrication of Magnetic Fluids film thickness is larger, and pressure is less, and easier realization full fluid film lubrication has reduced friction and wear.
Adopt water-based magnetic fluid, water as carrier fluid, avoided the pollution of organic solvent to environment, have: the characteristics such as superparamagnetism, bio-compatibility and good dispersion, functional at aspects such as dynamic seal (packing), selflubricating, grinding and polishing and environmental protection.Utilize water-based magnetic fluid to come the sliding bearing of lubrication belt groove, under the effect in magnetic field, not only can control, location, mobile magnetic fluid, realize the continuous lubrication to sliding bearing, and prevented the leakage of water-based magnetic fluid oiling agent; Groove on the sliding bearing has oil storage function.The water-based magnetic fluid oiling agent is under the double-deck effect control of magnetic field and groove, and that can realize not leaking fully is lubricated, makes more environmental protection of sliding bearing, works reliably, has prolonged sliding bearing life.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (4)
1. a band groove sliding bearing comprises endoporus, cylindrical, it is characterized in that, described endoporus middle part is provided with inner groovy, the cylindrical two ends are provided with outer groove, outer groove is provided with permanent magnet, is provided with the magnetic current body opening between outer groove and the sliding bearing middle part, and described permanent magnet is annular permanent magnet.
2. band groove sliding bearing as claimed in claim 1 is characterized in that, is provided with a plurality of annular permanent magnets in the described outer groove, separates by the permanent magnet spacer ring between a plurality of annular permanent magnets, is provided with the elasticity spacer ring between annular permanent magnet and the outer groove axial end.
3. band groove sliding bearing lubricating method as claimed in claim 1 or 2, it is characterized in that, comprise the steps: the water-based magnetic fluid oiling agent is injected between the fitting surface of sliding bearing and rotatingshaft by the magnetic current body opening, described water-based magnetic fluid oiling agent is mainly by water base carrier fluid, water-based magnetic fluid nanometer Fe
3O
4Particle, polyaniline surface active agent form.
4. band groove sliding bearing lubricating method as claimed in claim 3 is characterized in that described water-based magnetic fluid nanometer Fe
3O
4Particle shared volume fraction in solution is 10%, is enclosed with the water-based magnetic fluid nanometer Fe of surface active agent
3O
4The diameter dimension of particle is 10nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310008504.3A CN103062220B (en) | 2013-01-10 | 2013-01-10 | Band groove sliding bearing and lubricating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310008504.3A CN103062220B (en) | 2013-01-10 | 2013-01-10 | Band groove sliding bearing and lubricating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062220A true CN103062220A (en) | 2013-04-24 |
| CN103062220B CN103062220B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310008504.3A Expired - Fee Related CN103062220B (en) | 2013-01-10 | 2013-01-10 | Band groove sliding bearing and lubricating method |
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| CN (1) | CN103062220B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307432A (en) * | 2013-05-23 | 2013-09-18 | 吴江市信合织造有限公司 | Roll shaft lubricating structure |
| CN112923226A (en) * | 2021-02-08 | 2021-06-08 | 青岛理工大学 | Micro-fluidic technology-based micro-oil drop supply system and auxiliary lubrication method thereof |
| CN116251726A (en) * | 2022-12-09 | 2023-06-13 | 眉山中车紧固件科技有限公司 | Fluorescent surface treatment method for short tail pulling rivet and rivet manufactured by same |
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| US5108198A (en) * | 1989-07-19 | 1992-04-28 | Hitachi, Ltd. | Magnetic fluid bearing apparatus and motor having magnetic fluid bearing apparatus |
| CN2607467Y (en) * | 2002-12-12 | 2004-03-24 | 上工股份有限公司 | Magnetic fluid lubricating sliding bearing |
| CN101117606A (en) * | 2006-03-28 | 2008-02-06 | 中国矿业大学 | Preparation of hydrophobic magnetic lubricating grease for hydrophobic magnetic lubricating bearing |
| CN101192772A (en) * | 2006-11-23 | 2008-06-04 | 台达电子工业股份有限公司 | Electromotor with magnetic liquid bearing structure |
| JP2010065736A (en) * | 2008-09-09 | 2010-03-25 | Rigaku Corp | Magnetic fluid sealing device |
| CN102416359A (en) * | 2011-09-03 | 2012-04-18 | 盐城市劲风节能环保设备有限公司 | Equipment for removing dust by using magnetic fluid and application thereof as well as method for removing dust in air by using equipment |
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2013
- 2013-01-10 CN CN201310008504.3A patent/CN103062220B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5108198A (en) * | 1989-07-19 | 1992-04-28 | Hitachi, Ltd. | Magnetic fluid bearing apparatus and motor having magnetic fluid bearing apparatus |
| CN2607467Y (en) * | 2002-12-12 | 2004-03-24 | 上工股份有限公司 | Magnetic fluid lubricating sliding bearing |
| CN101117606A (en) * | 2006-03-28 | 2008-02-06 | 中国矿业大学 | Preparation of hydrophobic magnetic lubricating grease for hydrophobic magnetic lubricating bearing |
| CN101192772A (en) * | 2006-11-23 | 2008-06-04 | 台达电子工业股份有限公司 | Electromotor with magnetic liquid bearing structure |
| JP2010065736A (en) * | 2008-09-09 | 2010-03-25 | Rigaku Corp | Magnetic fluid sealing device |
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Non-Patent Citations (3)
| Title |
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| 史修江等: "考虑惯性力的水基磁流体润滑滑动轴承热弹流润滑分析", 《润滑与密封》 * |
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| 胡玉等: "Fe3O4/PANI抗氧化水基磁流体的制备与表征", 《精细化工》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307432A (en) * | 2013-05-23 | 2013-09-18 | 吴江市信合织造有限公司 | Roll shaft lubricating structure |
| CN103307432B (en) * | 2013-05-23 | 2015-07-29 | 江苏银桥纺织科技有限公司 | A kind of roll shaft lubricating structure |
| CN112923226A (en) * | 2021-02-08 | 2021-06-08 | 青岛理工大学 | Micro-fluidic technology-based micro-oil drop supply system and auxiliary lubrication method thereof |
| CN112923226B (en) * | 2021-02-08 | 2022-02-01 | 青岛理工大学 | Micro-fluidic technology-based micro-oil drop supply system and auxiliary lubrication method thereof |
| CN116251726A (en) * | 2022-12-09 | 2023-06-13 | 眉山中车紧固件科技有限公司 | Fluorescent surface treatment method for short tail pulling rivet and rivet manufactured by same |
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| Publication number | Publication date |
|---|---|
| CN103062220B (en) | 2016-01-13 |
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