CN102175560A - Experimental device for studying on magnetic liquid sealing mechanism - Google Patents
Experimental device for studying on magnetic liquid sealing mechanism Download PDFInfo
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- CN102175560A CN102175560A CN 201110021130 CN201110021130A CN102175560A CN 102175560 A CN102175560 A CN 102175560A CN 201110021130 CN201110021130 CN 201110021130 CN 201110021130 A CN201110021130 A CN 201110021130A CN 102175560 A CN102175560 A CN 102175560A
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- glass tube
- magnetic liquid
- rubber plug
- pipeline
- barometer
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Abstract
The invention discloses an experimental device for studying on magnetic liquid sealing mechanism and belongs to the technical field of mechanical engineering sealing. The device is particular fit for studying on the magnetic liquid sealing mechanism, wherein an inner circle of a circular magnet (1) of the device is sleeved with an outer circle of a transparent glass tube (2); the two ends of the glass tube are sealed by using first and second rubber plugs (7, 8); the circular magnet is arranged on a plastic bracket (10); a magnetic liquid (3) is suspended in an inner hole of the glass tube at the joint position for jointing the circular magnet with the glass tube; a first barometer (4) is communicated with a space above the magnetic liquid in the transparent glass tube through a pipeline and is sealed and fixed on the first rubber plug; a second first barometer (5) is communicated with a space under the magnetic liquid in the glass tube through the pipeline and is sealed and fixed on the second rubber plug; and an air pressure device (6) is communicated with the space above the magnetic liquid in the glass tube through the pipeline and a valve (9) on the pipeline and is sealed and fixed on the first rubber plug.
Description
Technical field
The invention belongs to the mechanical engineering technical field of sealing technology, be specially adapted to the magnetic fluid sealing Experimental Study of Mechanism of science and technology center, big-and-middle universities and colleges.
Background technology
The research of magnetic fluid sealing mechanism now is in the starting stage, because magnetic liquid is a black, and the particular surroundings of its magnetic fluid seal device, can not be accurate and visual in image the magnetic fluid sealing process is carried out actual observation and measurement, how pressure differential between the utmost point tooth of magnetic fluid sealing produces actually, can't observe and verifies by definite experiment.
Summary of the invention
Problem to be solved by this invention provides a kind of experimental provision of studying magnetic fluid sealing mechanism.
The present invention solves the technical scheme of its technical matters:
A kind of experimental provision of studying magnetic fluid sealing mechanism, it is characterized in that this device comprises: circular ring magnet, glass tube, magnetic liquid, first barometer, second barometer, gas boosting device, first rubber plug, second rubber plug, valve, support.
The interior circle of circular ring magnet and transparent glass tube cylindrical cover connection, first, second rubber stopper seal of the two ends of glass tube; Circular ring magnet is installed on the plastic stent.
Magnetic liquid is suspended in the endoporus of glass tube at circular ring magnet and glass pipe box connection position.
First barometer is by in pipeline and the transparent glass tube, and the space on magnetic liquid top communicates, and sealing and fixing is on first rubber plug.
Second barometer is by in pipeline and the glass tube, and the space of magnetic liquid bottom communicates, and sealing and fixing is on second rubber plug.
The gas boosting device is by in the valve and glass tube on pipeline and the pipeline thereof, and the space on magnetic liquid top communicates, and sealing and fixing is on first rubber plug.
The internal diameter of described circular ring magnet is 2～3cm, and the external diameter of circular ring magnet is 20～30cm, and thickness is 2～3cm.
The external diameter of glass tube is 2～3cm, and the internal diameter of glass tube is 1～2cm.
The thickness of described magnetic liquid is 1～2cm.
The invention has the beneficial effects as follows:
The present invention can be accurate and visual in image the state in the magnetic fluid sealing process is carried out actual observation and the air pressure of magnetic liquid both sides is measured, the transmittance process of both sides air pressure and transmission speed and gas are pressurized to and make magnetic fluid sealing failure mechanism and failure mode during the research magnetic fluid sealing, thereby take corresponding prevention and innovative approach in actual Seal Design.Equipment is simple, DATA REASONING is accurate.
Description of drawings
Fig. 1 studies the experimental provision structural drawing of magnetic fluid sealing mechanism.
Embodiment
The invention will be further described in conjunction with the accompanying drawings.
Embodiment one
A kind of experimental provision of studying magnetic fluid sealing mechanism, see Fig. 1, this device comprises: circular ring magnet 1, glass tube 2, magnetic liquid 3, first barometer 4, second barometer 5, gas boosting device 6, first rubber plug 7, second rubber plug 8, valve 9, support 10.
The interior circle of circular ring magnet 1 and transparent glass tube 2 cylindricals cover connection, the two ends of glass tube 2 seal with first, second rubber plug 7,8; Circular ring magnet 1 is installed on the plastic stent 10.
The internal diameter of described circular ring magnet 1 is 2cm, and the external diameter of circular ring magnet 1 is 20cm, and thickness is 2cm.
The external diameter of glass tube 2 is 2cm, and the internal diameter of glass tube 2 is 1cm.
The thickness of described magnetic liquid 3 is 1cm.
The material of circular ring magnet 1 is a neodymium iron boron.
Embodiment two
The difference of embodiment two and embodiment one:
The internal diameter of described circular ring magnet 1 is 3cm, and the external diameter of circular ring magnet 1 is 30cm, and thickness is 3cm;
The external diameter of described glass tube 2 is 3cm, and the internal diameter of glass tube 2 is 2cm.
The thickness of described magnetic liquid 3 is 2cm.
The internal diameter of described circular ring magnet (1) is 2～3cm, and the external diameter of circular ring magnet (1) is 20～30cm, and thickness is 2～3cm;
The external diameter of glass tube (2) is 2～3cm, and the internal diameter of glass tube (2) is 1～2cm.The thickness of described magnetic liquid (3) is 1～2cm.
The assembling process of the experimental provision of research magnetic fluid sealing mechanism:
The interior circle of circular ring magnet 1 and transparent glass tube 2 cylindricals cover connection, the sealing of glass tube 2 lower ends is installed second rubber plug, 8, the second barometers 5 and is connected second rubber plug 8 by line seal.
Circular ring magnet 1 is installed on the plastic stent 10;
The inwall of magnetic liquid 3 along glass tube 2 injected, and first rubber plug 7 is installed in sealing in glass tube 2 upper ends, and gas boosting device 6 is tightly connected by the valve on pipeline and the pipeline 9 and first rubber plug 7.
The course of work:
Write down the original pressure of magnetic liquid 3 upper spaces that show on first barometer 4.
Write down the original pressure of magnetic liquid 3 lower space that show on second barometer 5.
In pressure process, atmospheric pressure value when the mobility status of the interior magnetic liquid 3 of sight glass pipe and seal break-off, make gas boosting clear and make magnetic liquid 3 failure mechanisms and failure mode in the glass tube, thereby in actual Seal Design, take corresponding prevention and innovative approach.
Claims (3)
1. experimental provision of studying magnetic fluid sealing mechanism, it is characterized in that this device comprises: circular ring magnet (1), glass tube (2), magnetic liquid (3), first barometer (4), second barometer (5), gas boosting device (6), first rubber plug (7), second rubber plug (8), valve (9), support (10);
The interior circle of circular ring magnet (1) and transparent glass tube (2) cylindrical cover connection, the two ends of glass tube (2) seal with first, second rubber plug (7,8); Circular ring magnet (1) is installed on the plastic stent (10);
Magnetic liquid (3) is suspended in circular ring magnet (1) and overlaps in the endoporus of the glass tube (2) that joins the position with glass tube (2);
First barometer (4) is by in pipeline and the transparent glass tube (2), and the space on magnetic liquid (3) top communicates, and sealing and fixing is on first rubber plug (7);
Second barometer (5) is by in pipeline and the glass tube (2), and the space of magnetic liquid (3) bottom communicates, and sealing and fixing is on second rubber plug (8);
Gas boosting device (6) is by in the valve (9) and glass tube (2) on pipeline and the pipeline thereof, and the space on magnetic liquid (3) top communicates, and sealing and fixing is on first rubber plug (7).
2. a kind of experimental provision of studying magnetic fluid sealing mechanism according to claim 1 is characterized in that the internal diameter of described circular ring magnet (1) is 2～3cm, and the external diameter of circular ring magnet (1) is 20～30cm, and thickness is 2～3cm;
The external diameter of glass tube (2) is 2～3cm, and the internal diameter of glass tube (2) is 1～2cm.
3. a kind of experimental provision of studying magnetic fluid sealing mechanism according to claim 1 is characterized in that the thickness of described magnetic liquid (3) is 1～2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110021130XA CN102175560B (en) | 2011-01-19 | 2011-01-19 | Experimental device for studying on magnetic liquid sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110021130XA CN102175560B (en) | 2011-01-19 | 2011-01-19 | Experimental device for studying on magnetic liquid sealing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102175560A true CN102175560A (en) | 2011-09-07 |
| CN102175560B CN102175560B (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110021130XA Expired - Fee Related CN102175560B (en) | 2011-01-19 | 2011-01-19 | Experimental device for studying on magnetic liquid sealing mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN102175560B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234713A (en) * | 2013-01-31 | 2013-08-07 | 哈尔滨工业大学 | Test experimental device for testing sealability of homopolar magnetic fluid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1073527A (en) * | 1996-08-29 | 1998-03-17 | Tsutomu Nakagawa | Method and equipment for detecting defect of high barrier film |
| JP2000214069A (en) * | 1999-01-25 | 2000-08-04 | Sony Corp | Evaluation apparatus for gas permeation |
| CN101153836A (en) * | 2006-09-28 | 2008-04-02 | 鞍钢股份有限公司 | Method and apparatus for testing air permeability of converter bottom blowing mushroom head |
| CN101571472A (en) * | 2008-04-29 | 2009-11-04 | 汉能科技有限公司 | Air permeability test fixture, tester and test system |
-
2011
- 2011-01-19 CN CN201110021130XA patent/CN102175560B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1073527A (en) * | 1996-08-29 | 1998-03-17 | Tsutomu Nakagawa | Method and equipment for detecting defect of high barrier film |
| JP2000214069A (en) * | 1999-01-25 | 2000-08-04 | Sony Corp | Evaluation apparatus for gas permeation |
| CN101153836A (en) * | 2006-09-28 | 2008-04-02 | 鞍钢股份有限公司 | Method and apparatus for testing air permeability of converter bottom blowing mushroom head |
| CN101571472A (en) * | 2008-04-29 | 2009-11-04 | 汉能科技有限公司 | Air permeability test fixture, tester and test system |
Non-Patent Citations (1)
| Title |
|---|
| 《大连大学学报》 20080630 赵四海等 磁性液体密封机理的研究 115-118 第29卷, 第3期 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234713A (en) * | 2013-01-31 | 2013-08-07 | 哈尔滨工业大学 | Test experimental device for testing sealability of homopolar magnetic fluid |
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| Publication number | Publication date |
|---|---|
| CN102175560B (en) | 2012-07-11 |
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Granted publication date: 20120711 Termination date: 20200119 |