CN103759932B - A kind of experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid - Google Patents
A kind of experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid Download PDFInfo
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- CN103759932B CN103759932B CN201410022754.7A CN201410022754A CN103759932B CN 103759932 B CN103759932 B CN 103759932B CN 201410022754 A CN201410022754 A CN 201410022754A CN 103759932 B CN103759932 B CN 103759932B
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- rotating shaft
- shell
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- pole shoe
- isolating loop
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Abstract
A kind of experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid, is applicable to the research experiment to the withstand voltage mechanism of magnetic fluid sealing.Solve existing experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid butt-end packing difficulty, the problems such as experimental reliability is low.This device comprises: shell (1), rotating shaft (2), left bearing (3), left magnetism-isolating loop (4), left machine boots (5), permanent magnet (6), right machine boots (7), right magnetism-isolating loop (8), right bearing (9), jump ring (10), end cap (11), right O-ring seal (12), left O-ring seal (13).The external cylindrical surface of left machine boots (5) and right machine boots (7) has pole tooth and teeth groove, shell (1) has 5 shoulder holes be connected with tensimeter.The right side of shell is connected with the annular seal space with press capacity, carries out the withstand voltage mechanism experimental study of magnetic fluid sealing by pressure gauge reading change.
Description
Technical field
The present invention relates to a kind of experimental provision probing into magnetic fluid sealing pressure transfer process, be applicable to the research experiment to the withstand voltage mechanism of magnetic fluid sealing.
Background technology
Magnetic fluid sealing because the advantages such as its zero leakage, long-life, high reliability obtain is applied more and more widely.In magnetic fluid sealing, be how to carry out pressure transmission in the middle of each pole tooth magnetic hydraulic seal film, this problem does not also obtain essence and solves.Manyly be engaged in the sealing researcher of industry for many years, slip-stick artist is also very limited to the understanding of this problem.To in this Study on Problems, there is the shortcomings such as the sealing reliability of device front end face is low in the withstand voltage mechanism research device of sealing that the patent No. proposes for CN201110098782.3.
Summary of the invention
The technical issues that need to address of the present invention are, existing experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid, there is experiment accuracy low, the shortcomings such as poor reliability.Therefore a kind of novel experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid is proposed.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid, forms this device and comprises:
Shell, rotating shaft, left bearing, left magnetism-isolating loop, left pole shoe, permanent magnet, right pole shoe, right magnetism-isolating loop, right bearing, jump ring, end cap, right O-ring seal, left O-ring seal;
Connection between each several part forming this device:
Described permanent magnet is arranged on the right side of left pole shoe, and described right pole shoe is arranged on the right side of permanent magnet, the left side of permanent magnet and the right side of left pole shoe, by gluing connection between the right side of permanent magnet and the left side of right pole shoe, forms seal assembly;
Described left bearing is arranged in rotating shaft, in the left side of left bearing and rotating shaft, fit in the right side of the shaft shoulder, described left magnetism-isolating loop is contained in rotating shaft, fit in the left side of left magnetism-isolating loop and the right side of described left bearing, described left O-ring seal is arranged in the seal groove on the left side in rotating shaft, described right O-ring seal is arranged in the seal groove on the right in rotating shaft, described seal assembly is arranged in rotating shaft, the left side of seal assembly and the right side laminating of left magnetism-isolating loop, described right magnetism-isolating loop is arranged in rotating shaft, the left side of right magnetism-isolating loop and the right side laminating of seal assembly, described right bearing is arranged in rotating shaft, fit in the left side of right bearing and the right side of right magnetism-isolating loop, described jump ring is arranged in the jump-ring slot in rotating shaft, formation runner assembly after above-mentioned cooperation completes.
Described runner assembly is arranged in shell, by the boss axial location in shell.
Described end cap is installed in the enclosure, and end cap and shell pass through threaded engagement.
The external cylindrical surface of described left pole shoe and right pole shoe has pole tooth and teeth groove, and on described shell, have 5 shoulder holes, its mesopore a, hole b, hole c, hole d, hole e are communicated with chamber A, chamber B, chamber C, chamber D, chamber E respectively.
5 shoulder holes on shell are connected with tensimeter.
The width g1 of described left pole shoe (5) and right pole shoe (7) upper pole tooth is 0.5 ~ 2mm, and the width g2 of described teeth groove is 5 ~ 10mm, and the more general magnetic fluid sealing of space width is wide, is convenient to like this punch on shell.
The right side of shell is connected with the annular seal space with press capacity, in connection procedure, needs to put into O-ring seal in the seal groove of shell right side.
Shell, left pole shoe, right pole shoe magnetic conductive material are made, and as 2Cr13, rotating shaft, magnetism-isolating loop 4 are made with non-permeable material, as stainless steel.
In annular seal space, being filled with certain pressure, carrying out the experimental study of the withstand voltage mechanism of magnetic fluid sealing by observing manometric reading corresponding to A, B, C, D, E chamber.
The present invention compares had beneficial effect with prior art:
This device, of a tightly knit structure, carry out the withstand voltage mechanism experiment of magnetic fluid sealing with this device, result reliability is strong.
Accompanying drawing explanation
Fig. 1 experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid structural drawing.
The enlarged drawing at Fig. 2 m position.
Embodiment
Be that the invention will be further described for embodiment with accompanying drawing:
Experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid, as Fig. 1, sealing device comprises: shell 1, rotating shaft 2, left bearing 3, left magnetism-isolating loop 4, left pole shoe 5, permanent magnet 6, right pole shoe 7, right magnetism-isolating loop 8, right bearing 9, jump ring 10, end cap 11, right O-ring seal 12, left O-ring seal 13;
Connection between each several part forming this device:
Described permanent magnet 6 is arranged on the right side of left pole shoe 5, described right pole shoe 7 is arranged on the right side of permanent magnet 6, the left side of permanent magnet 6 and the right side of left pole shoe 5, by gluing connection between the right side of permanent magnet 6 and the left side of right pole shoe 7, form seal assembly;
Described left bearing 3 is arranged in rotating shaft 2, in the left side of left bearing 3 and rotating shaft 2, fit in the right side of the shaft shoulder, described left magnetism-isolating loop 4 is contained in rotating shaft 2, fit in the left side of left magnetism-isolating loop 4 and the right side of described left bearing 3, described left O-ring seal 13 is arranged in the seal groove on the left side in rotating shaft 2, described right O-ring seal 12 is arranged in the seal groove on the right in rotating shaft 2, described seal assembly is arranged in rotating shaft 2, the left side of seal assembly and the right side laminating of left magnetism-isolating loop 4, described right magnetism-isolating loop 8 is arranged in rotating shaft, the left side of right magnetism-isolating loop 8 and the right side laminating of seal assembly, described right bearing 9 is arranged in rotating shaft 2, fit in the left side of right bearing 12 and the right side of right magnetism-isolating loop 8, described jump ring is arranged in the jump-ring slot in rotating shaft 2, formation runner assembly after above-mentioned cooperation completes,
Described runner assembly is arranged in shell 1, by the boss axial location in shell 1.
Described end cap 11 is arranged in shell 1, and end cap 11 and shell 1 pass through threaded engagement.
The external cylindrical surface of described left pole shoe 5 and right pole shoe 7 has pole tooth and teeth groove, and on described shell 1, have 5 shoulder holes, its mesopore a, hole b, hole c, hole d, hole e are communicated with chamber A, chamber B, chamber C, chamber D, chamber E respectively;
5 shoulder holes on shell 1 are connected with tensimeter.
The width g1 of described left pole shoe (5) and right pole shoe (7) upper pole tooth is 0.5 ~ 2mm, and the width g2 of described teeth groove is 5 ~ 10mm.The more general magnetic fluid sealing of space width is wide, is convenient to like this punch on shell.
The right side of shell 1 is connected with the annular seal space with press capacity, in connection procedure, needs to put into O-ring seal in the seal groove of shell 1 right side.
Described shell 1, left pole shoe 5, right pole shoe 7 are made with magnetic conductive material, as 2Cr13.
Described rotating shaft 2, magnetism-isolating loop 4 are made with non-permeable material, as stainless steel.
In annular seal space, being filled with certain pressure, carrying out the experimental study of the withstand voltage mechanism of magnetic fluid sealing by observing manometric reading corresponding to A, B, C, D, E chamber.
Claims (3)
1. an experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid, forms this device and comprises:
Shell (1), rotating shaft (2), left bearing (3), left magnetism-isolating loop (4), left pole shoe (5), permanent magnet (6), right pole shoe (7), right magnetism-isolating loop (8), right bearing (9), jump ring (10), end cap (11), right O-ring seal (12), left O-ring seal (13);
Connection between each several part forming this device:
Described permanent magnet (6) is arranged on the right side of left pole shoe (5), described right pole shoe (7) is arranged on the right side of permanent magnet (6), the left side of permanent magnet (6) and the right side of left pole shoe (5), by gluing connection between the right side of permanent magnet (6) and the left side of right pole shoe (7), form seal assembly;
Described left bearing (3) is arranged in rotating shaft (2), fit in the right side of the left side of left bearing (3) and the upper shaft shoulder of rotating shaft (2), described left magnetism-isolating loop (4) is contained in rotating shaft (2), fit in the right side of the left side of left magnetism-isolating loop (4) and the inner ring of described left bearing (3), described left O-ring seal (13) is arranged in the seal groove on the upper left side of rotating shaft (2), described right O-ring seal (12) is arranged in the seal groove on the upper the right of rotating shaft (2), described seal assembly is arranged in rotating shaft (2), the left side of seal assembly and the right side laminating of left magnetism-isolating loop (4), described right magnetism-isolating loop (8) is arranged in rotating shaft, the left side of right magnetism-isolating loop (8) and the right side laminating of seal assembly, described right bearing (9) is arranged in rotating shaft (2), fit in the left side of right bearing (12) and the right side of right magnetism-isolating loop (8), described jump ring is arranged in the jump-ring slot in rotating shaft (2), formation runner assembly after above-mentioned cooperation completes,
Described runner assembly is arranged in shell (1), by the boss axial location in shell (1);
Described end cap (11) is arranged in shell (1), and end cap (11) and shell (1) pass through threaded engagement;
It is characterized in that:
Pole tooth and the teeth groove of described left pole shoe (5) and right pole shoe (7) are opened on external cylindrical surface;
On described shell (1), have 5 shoulder holes, its mesopore a, hole b, hole c, hole d, hole e are communicated with chamber A, chamber B, chamber C, chamber D, chamber E respectively.
2. a kind of experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid according to claim 1, is characterized in that: 5 shoulder holes on shell (1) are connected with tensimeter.
3. a kind of experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid according to claim 1, it is characterized in that: the width g1 of described left pole shoe (5) and right pole shoe (7) upper pole tooth is 0.5 ~ 2mm, and the width g2 of described teeth groove is 5 ~ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022754.7A CN103759932B (en) | 2014-01-17 | 2014-01-17 | A kind of experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022754.7A CN103759932B (en) | 2014-01-17 | 2014-01-17 | A kind of experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid |
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| Publication Number | Publication Date |
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| CN103759932A CN103759932A (en) | 2014-04-30 |
| CN103759932B true CN103759932B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410022754.7A Expired - Fee Related CN103759932B (en) | 2014-01-17 | 2014-01-17 | A kind of experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014216765A1 (en) * | 2014-08-22 | 2016-02-25 | Zf Friedrichshafen Ag | Media-tight housing |
| CN104535312B (en) * | 2014-12-26 | 2017-05-03 | 中国兵器科学研究院宁波分院 | Environmental simulation testing device for magnetic liquid dynamic sealing components |
| CN106090237B (en) * | 2016-08-15 | 2018-03-27 | 广西科技大学 | A kind of buffer-type device for sealing magnetic fluid |
| CN108397550B (en) * | 2018-02-11 | 2020-05-22 | 广西科技大学 | Magnetic fluid sealing structure |
| CN108488392A (en) * | 2018-04-24 | 2018-09-04 | 北京交通大学 | Magnetic fluid sealing performance on-line monitoring and review one's lessons by oneself apparatus for coating |
| CN113985332B (en) * | 2021-11-18 | 2023-06-09 | 北京交通大学 | Magnetic liquid saturation magnetization intensity comparison device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2391058Y (en) * | 1999-06-04 | 2000-08-09 | 北京航空航天大学 | Combined sealing device |
| CN2509386Y (en) * | 2001-01-19 | 2002-09-04 | 马鞍山金科粉体工程有限公司 | Magnetic liquid seal oil apparatus |
| CN102252837A (en) * | 2011-04-20 | 2011-11-23 | 北京交通大学 | Experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4088269B2 (en) * | 2004-06-16 | 2008-05-21 | 本田技研工業株式会社 | Cylinder block fastening structure |
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2014
- 2014-01-17 CN CN201410022754.7A patent/CN103759932B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2391058Y (en) * | 1999-06-04 | 2000-08-09 | 北京航空航天大学 | Combined sealing device |
| CN2509386Y (en) * | 2001-01-19 | 2002-09-04 | 马鞍山金科粉体工程有限公司 | Magnetic liquid seal oil apparatus |
| CN102252837A (en) * | 2011-04-20 | 2011-11-23 | 北京交通大学 | Experimental device for researching mechanism of sealing withstand voltage testing machine with magnetic liquid |
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| CN103759932A (en) | 2014-04-30 |
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Granted publication date: 20150930 Termination date: 20200117 |