CN106523713B - A kind of magnetic liquid method for implanting of magnetic fluid seal device - Google Patents
A kind of magnetic liquid method for implanting of magnetic fluid seal device Download PDFInfo
- Publication number
- CN106523713B CN106523713B CN201611249605.XA CN201611249605A CN106523713B CN 106523713 B CN106523713 B CN 106523713B CN 201611249605 A CN201611249605 A CN 201611249605A CN 106523713 B CN106523713 B CN 106523713B
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- China
- Prior art keywords
- magnetic
- pole shoe
- sealing ring
- liquid
- storage post
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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.)
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Classifications
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
A kind of magnetic liquid method for implanting of magnetic fluid seal device, belongs to sealing field of mechanical engineering.Solve existing magnetic fluid seal device when in use, due to seal clearance is small, magnetic liquid to reasons such as the response characteristics in magnetic field, magnetic liquid be difficult to effectively, the problem of being uniformly injected into sealing device.This method is that magnetic liquid (11) is placed in magnetic conduction storage post (13), and magnetic conduction liquid storage ring (13) side is provided with small through hole and and pole shoe, permanent magnet composition magnetic loop；Axle sleeve (12) is placed on magnetic conduction storage post top and keeps coaxial；When the through hole of magnetic conduction storage post side is by pole tooth, because gap is small at the tooth of pole, magnetic field is strong, and what magnetic liquid (11) can be quickly is adsorbed in gap, forms liquid " O " type sealing ring；When through hole passes through teeth groove and permanent magnet, gap is big, and magnetic field is weak, and a small amount of outflow, this part magnetic liquid are stored in sealing device magnetic liquid (11) under gravity, supplement the magnetic liquid being lost in use.
Description
Technical field
The invention belongs to sealing field of mechanical engineering, proposes a kind of side that magnetic liquid is injected to magnetic fluid seal device
Method.
Background technology
Magnetic fluid sealing is used widely because of the advantages that its zero leakage, long-life, low friction.Yet between sealing
Gap is small, and magnetic liquid has the reasons such as response characteristic to magnetic field, and magnetic liquid is difficult to be efficiently injected into sealing device.How by magnetic
Property efficient liquid, it is a technical barrier to be uniformly injected into sealing device.
The content of the invention
The technical problem to be solved in the invention is, magnetic fluid seal device is before use, because seal clearance is small, magnetic
Property the reason such as response of the liquid to magnetic field, magnetic liquid be difficult to efficiently, be uniformly injected into sealing device.It is proposed a kind of magnetic liquid
The magnetic liquid method for implanting of body sealing device.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of magnetic liquid method for implanting of magnetic fluid seal device, this method include：
Step 1：The first pole shoe sealing ring, the second pole shoe sealing ring, the 3rd pole shoe sealing ring are separately mounted to first
In the cylindrical groove of pole shoe, the second pole shoe, the 3rd pole shoe, form the first pole shoe with sealing ring, the second pole shoe with sealing ring,
The 3rd pole shoe with sealing ring；First pole shoe with sealing ring, the first permanent magnet, the second pole shoe with sealing ring, second
Permanent magnet, the 3rd pole shoe with sealing ring and end cap are sequentially loaded into shell, and completing component with the threaded connection on end cap positions；
Step 2：The magnetic conduction storage post is put into shell, and adjustment causes the lead to the hole site and the of magnetic conduction storage post side
Three pole shoe upper surfaces flush；The axle sleeve is placed on above magnetic conduction storage post, to magnetic conduction storage post superjacent air space and end cap and axle sleeve
Gap in the appropriate magnetic liquid of injection；
Step 3：The axle sleeve, the rotation of magnetic conduction storage post are slowly inserted in shell downwards so that magnetic conduction storage post side
Through hole passes sequentially through all pole teeth on pole shoe, and the final lower surface for causing through hole and the first pole shoe flushes；
Step 4：The magnetic conduction storage post is removed, axle sleeve is positioned, completes the injection of magnetic liquid.
The axle sleeve, magnetic conduction storage post and permanent magnet, pole shoe form magnetic loop, when the through hole of magnetic conduction storage post side passes through
During the tooth of pole, because gap is small at the tooth of pole, magnetic field is strong, and magnetic liquid can be adsorbed in gap faster, forms the sealing of liquid " O " type
Circle；When through hole passes through teeth groove and permanent magnet, gap is big, and magnetic field is weak, and magnetic liquid flows out on a small quantity under gravity, this part
Magnetic liquid is stored in sealing device, the magnetic liquid that supplement sealing device is lost in use.
The present invention compares possessed beneficial effect with prior art：The axial length of magnetic conduction storage post is equal to 2 times of pole
Boots axial length adds the axial length of permanent magnet, can so ensure, when axle sleeve is not inserted into shell, can effectively form
Magnetic loop, ensure that at each pole backlash magnetic liquid can be adsorbed；Magnetic conduction storage post side is provided with aperture, and small hole number is
4~6, it is uniformly distributed circumferentially, hole diameter is 0.5~1.5mm, is so advantageous to formation magnetic liquid faster evenly
" O " type sealing ring；Magnetic conduction liquid storage ring slowly rotates during shell is inserted, and rotating speed is 1~3 turn per second, is advantageous to faster
Formation magnetic liquid " O " type sealing ring evenly；Magnetic liquid is injected in the gap of end cap and axle sleeve, it is outer that entrance can be soaked
The axle sleeve of shell, prevent axle sleeve from destroying established magnetic liquid " O " type sealing ring in moving process.So as to successfully solve by
In seal clearance is small, magnetic liquid to reasons such as magnetic responsivenesses, the problem of causing magnetic liquid to be difficult to be efficiently injected into sealing device.
Brief description of the drawings
Fig. 1 magnetic liquids inject initial state；
Fig. 2 magnetic liquids inject intermediateness；
Fig. 3 magnetic liquids inject completion status.
In Fig. 1：Shell 1, the first pole shoe sealing ring 2, the first pole shoe 3, the first permanent magnet 4, the second pole shoe sealing ring 5,
Diode boot 6, the second permanent magnet 7, the 3rd pole shoe sealing ring 8, the 3rd pole shoe 9, end cap 10, magnetic liquid 11, axle sleeve 12, magnetic conduction storage
Fluid column 13.
Embodiment
Using accompanying drawing as embodiment, the present invention will be further described：
A kind of magnetic liquid method for implanting of magnetic fluid seal device, this method include：
Step 1：The first pole shoe sealing ring 2, the second pole shoe sealing ring 5, the 3rd pole shoe sealing ring 8 are separately mounted to
In the cylindrical groove of first pole shoe 3, the second pole shoe 6, the 3rd pole shoe 9, the first pole shoe with sealing ring, with sealing ring are formed
Diode boot, the 3rd pole shoe with sealing ring；First pole shoe with sealing ring, the first permanent magnet 4, the second pole with sealing ring
Boots, the second permanent magnet 7, the 3rd pole shoe with sealing ring and end cap 10 are sequentially placed into shell 1, with the threaded connection on end cap 10
Complete component positioning；
Step 2：The magnetic conduction storage post 13 is put into shell 1, and adjustment causes the lead to the hole site of the side of magnetic conduction storage post 13
Flushed with the upper surface of the 3rd pole shoe 9；The axle sleeve 12 is placed on the top of magnetic conduction storage post 13, to the superjacent air space of magnetic conduction storage post 13 and
End cap 10 and the appropriate magnetic liquid 11 of injection in the gap of axle sleeve 12；
Step 3：The axle sleeve 12, magnetic conduction storage post 13, which rotate, slowly to be inserted in shell 1 downwards so that magnetic conduction storage post
The through hole of 13 sides passes sequentially through all pole teeth on pole shoe, and the final lower surface for causing through hole and the first pole shoe 3 flushes；
Step 4：The magnetic conduction storage post 13 is removed, axle sleeve 12 is positioned.
The axle sleeve 12, magnetic conduction storage post 13 and permanent magnet, pole shoe form magnetic loop, when leading to for the side of magnetic conduction storage post 13
When hole is by pole tooth, because gap is small at the tooth of pole, magnetic field is strong, and magnetic liquid 11 can be adsorbed in gap faster, forms liquid
" O " type sealing ring；When through hole passes through teeth groove and permanent magnet, gap is big, and magnetic field is weak, and magnetic liquid 11 is a small amount of under gravity
Outflow, this part magnetic liquid are stored in sealing device, the magnetic liquid that supplement sealing device is lost in use.
Pole shoe axial length of the axial length of magnetic conduction storage post 13 equal to 2 times adds the axial length of permanent magnet, so
It can ensure, when axle sleeve 12 is not inserted into shell 1, magnetic loop can be effectively formed, ensure to inhale at each pole backlash
Attached magnetic liquid 11；The side of magnetic conduction storage post 13 is provided with aperture, and small hole number is 4~6, is uniformly distributed circumferentially, aperture is straight
Footpath is 0.5~1.5mm, is so advantageous to formation magnetic liquid " O " type sealing ring faster evenly；Magnetic conduction liquid storage ring 13 is being inserted
Slowly rotated during entering shell 1, rotating speed is 1~3 turn per second, is advantageous to formation magnetic liquid " O " type faster evenly
Sealing ring；Magnetic liquid 11 is injected in the gap of end cap 10 and axle sleeve 12, the axle sleeve 12 into shell 1 can be soaked, prevent axle
It is enclosed in moving process and destroys established magnetic liquid " O " type sealing ring.
Pole shoe, axle sleeve 12, magnetic conduction storage post 13 are from the good material of magnetic conductivity, such as electrical pure iron；
Permanent magnet selects neodymium iron boron；
The species of magnetic liquid 11 is according to the magnetic liquid of the different choice difference base load liquid of use environment；
Shell 1 selects non-magnetic material, such as non-magnetic stainless steel.
Claims (5)
- A kind of 1. magnetic liquid method for implanting of magnetic fluid seal device, it is characterised in that：This method includes：Step 1：First pole shoe sealing ring (2), the second pole shoe sealing ring (5), the 3rd pole shoe sealing ring (8) are separately mounted to In the cylindrical groove of one pole shoe (3), the second pole shoe (6), the 3rd pole shoe (9), the first pole shoe with sealing ring, band sealing ring are formed The second pole shoe, the 3rd pole shoe with sealing ring；The first pole shoe with sealing ring, the first permanent magnet (4), second with sealing ring Pole shoe, the second permanent magnet (7), the 3rd pole shoe with sealing ring and end cap (10) are sequentially placed into shell (1), with end cap (10) Threaded connection complete component positioning；Step 2：Magnetic conduction storage post (13) is put into shell (1), adjustment cause magnetic conduction storage post (13) side lead to the hole site and 3rd pole shoe (9) upper surface flushes；Axle sleeve (12) is placed on above magnetic conduction storage post (13) and keeps coaxial, to magnetic conduction storage post (13) superjacent air space and axle sleeve (12) in the gap of end cap (10) with injecting magnetic liquid (11)；Step 3：Axle sleeve (12), magnetic conduction storage post (13) rotation are slowly inserted in shell (1) downwards so that magnetic conduction storage post (13) through hole of side passes sequentially through all pole teeth on pole shoe, and the final lower surface for causing through hole and the first pole shoe (3) flushes；Step 4：Magnetic conduction storage post (13) is removed, axle sleeve (12) is positioned.
- A kind of 2. magnetic liquid method for implanting of magnetic fluid seal device according to claim 1, it is characterised in that：Pole shoe axial length of the axial length of magnetic conduction storage post (13) equal to 2 times adds the axial length of permanent magnet.
- A kind of 3. magnetic liquid method for implanting of magnetic fluid seal device according to claim 1, it is characterised in that：The number of openings of magnetic conduction storage post (13) side is 4~6, is uniformly distributed circumferentially, the through-hole diameter of side for 0.5~ 1.5mm。
- A kind of 4. magnetic liquid method for implanting of magnetic fluid seal device according to claim 1, it is characterised in that：Magnetic conduction storage post (13) slowly rotates during insertion shell (1), and rotating speed is 1~3 turn per second.
- A kind of 5. magnetic liquid method for implanting of magnetic fluid seal device according to claim 1, it is characterised in that：Magnetic liquid (11) is marked with the gap of end cap (10) and axle sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249605.XA CN106523713B (en) | 2016-12-29 | 2016-12-29 | A kind of magnetic liquid method for implanting of magnetic fluid seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249605.XA CN106523713B (en) | 2016-12-29 | 2016-12-29 | A kind of magnetic liquid method for implanting of magnetic fluid seal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523713A CN106523713A (en) | 2017-03-22 |
| CN106523713B true CN106523713B (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611249605.XA Expired - Fee Related CN106523713B (en) | 2016-12-29 | 2016-12-29 | A kind of magnetic liquid method for implanting of magnetic fluid seal device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854752B (en) * | 2019-01-29 | 2024-02-09 | 清华大学 | Magnetic liquid rotary sealing device suitable for high-rotation-speed working condition |
| CN112112970B (en) * | 2020-10-30 | 2021-04-20 | 清华大学 | Magnetic liquid sealing device |
| CN112392963B (en) * | 2020-11-11 | 2021-07-20 | 清华大学 | Magnetic liquid sealing device |
| CN112524256B (en) * | 2020-11-30 | 2022-07-12 | 北京交通大学 | Magnetic liquid gradual-moving filling method for magnetic liquid sealing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60249771A (en) * | 1984-01-09 | 1985-12-10 | フエロフルイデイクス・コ−ポレイシヨン | Sealing device and method of interface between stabilized magnetic fluid |
| CN101749432A (en) * | 2010-01-28 | 2010-06-23 | 北京交通大学 | Sealing device with evenly distributed magnetic liquid |
| CN101776149A (en) * | 2010-03-01 | 2010-07-14 | 北京交通大学 | Low-temperature and small-diameter magnetic fluid seal device |
| CN103557335A (en) * | 2013-11-11 | 2014-02-05 | 北京交通大学 | Inflatable magnetic liquid rotating seal device |
| CN104595495A (en) * | 2014-11-21 | 2015-05-06 | 常州市锐金轮机械配件有限公司 | Novel magnetizing fluid seal device |
| JP2015152080A (en) * | 2014-02-14 | 2015-08-24 | サムスン電機ジャパンアドバンスドテクノロジー株式会社 | Rotary equipment |
-
2016
- 2016-12-29 CN CN201611249605.XA patent/CN106523713B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60249771A (en) * | 1984-01-09 | 1985-12-10 | フエロフルイデイクス・コ−ポレイシヨン | Sealing device and method of interface between stabilized magnetic fluid |
| CN101749432A (en) * | 2010-01-28 | 2010-06-23 | 北京交通大学 | Sealing device with evenly distributed magnetic liquid |
| CN101776149A (en) * | 2010-03-01 | 2010-07-14 | 北京交通大学 | Low-temperature and small-diameter magnetic fluid seal device |
| CN103557335A (en) * | 2013-11-11 | 2014-02-05 | 北京交通大学 | Inflatable magnetic liquid rotating seal device |
| JP2015152080A (en) * | 2014-02-14 | 2015-08-24 | サムスン電機ジャパンアドバンスドテクノロジー株式会社 | Rotary equipment |
| CN104595495A (en) * | 2014-11-21 | 2015-05-06 | 常州市锐金轮机械配件有限公司 | Novel magnetizing fluid seal device |
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| CN106523713A (en) | 2017-03-22 |
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