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Magnetic liquid tooth space injection method of magnetic liquid sealing device

A magnetic liquid and sealing device technology, which is applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems of small sealing gaps and difficult magnetic liquids, and achieve enhanced magnetic field strength, improved pressure resistance, and enhanced pressure resistance. Effect

Inactive Publication Date: 2017-03-29
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the small sealing gap and the response characteristics of the magnetic liquid to the magnetic field, it is difficult for the magnetic liquid to be effectively injected into the sealing device.

Method used

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  • Magnetic liquid tooth space injection method of magnetic liquid sealing device
  • Magnetic liquid tooth space injection method of magnetic liquid sealing device
  • Magnetic liquid tooth space injection method of magnetic liquid sealing device

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Embodiment Construction

[0018] The present invention will be further described with accompanying drawing as specific embodiment:

[0019] A magnetic liquid cogging injection method for a magnetic liquid sealing device, the method comprising:

[0020] Step 1: The first pole shoe sealing ring 2, the second pole shoe sealing ring 5, and the third pole shoe sealing ring 8 are respectively installed on the outer circle of the first pole shoe 3, the second pole shoe 6, and the third pole shoe 9 In the groove, the first pole piece with sealing ring, the second pole piece with sealing ring, and the third pole piece with sealing ring are formed; the first pole piece with sealing ring, the first permanent magnet 4, The second pole shoe with sealing ring, the second permanent magnet 7, the third pole shoe with sealing ring and the end cover 10 are put into the casing 1 in sequence, and the assembly positioning is completed by the threaded connection on the end cover 10 to form a sealing assembly;

[0021] Step...

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Abstract

The invention provides a magnetic liquid tooth space injection method of a magnetic liquid sealing device and belongs to the field of sealing of mechanical engineering, aiming at solving the problems that when an existing magnetic liquid sealing device is used, magnetic liquid cannot be easily, effectively and uniformly injected into the sealing device due to reasons including small sealing gaps, a property of responding a magnetic field by the magnetic liquid and the like. The method comprises the following steps: firstly, putting a shaft sleeve (12) with axis vertical to the ground, wherein an oblique direction of a pole tooth is upward; injecting magnetic liquid (11) into a tooth space; secondly, putting a sealing assembly with the axis vertical to the ground, wherein the oblique direction of the pole tooth is upward; injecting the magnetic liquid (11) into a pole shoe tooth space; finally, sleeving the shaft sleeve (12) filled with the magnetic liquid (11) into the sealing assembly filled with the magnetic liquid (11). The magnetic liquid tooth space injection method has the advantages that a gap between the shaft sleeve and a pole shoe pole tooth is small, the intensity of the magnetic field is great, a gap between the shaft sleeve and the pole shoe tooth space is large and the intensity of the magnetic field is small; the magnetic liquid stored in a pole shoe and a shaft sleeve tooth space is adsorbed into the gap between the pole teeth and a sealed magnetic liquid O-shaped ring is formed.

Description

technical field [0001] The invention belongs to the field of mechanical engineering sealing and provides a method for injecting magnetic liquid into a magnetic liquid sealing device. Background technique [0002] Magnetic liquid seals are widely used due to their advantages of zero leakage, long life, and low friction. However, due to the small sealing gap and the response characteristics of the magnetic liquid to the magnetic field, it is difficult for the magnetic liquid to be effectively injected into the sealing device. How to efficiently and uniformly inject the magnetic liquid into the sealing device is a technical problem. Contents of the invention [0003] The technical problem to be solved in the present invention is that before the magnetic liquid sealing device is used, it is difficult for the magnetic liquid to be efficiently and uniformly injected into the sealing device due to the small sealing gap and the response of the magnetic liquid to the magnetic fiel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/43
CPCF16J15/43
Inventor 李德才喻峻柏乐李文怡
Owner BEIJING JIAOTONG UNIV
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