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An experimental research device for the mechanism of magnetic liquid seal pressure resistance

A magnetic liquid, experimental research technology, applied in the direction of measuring devices, testing of mechanical components, testing of machine/structural components, etc., can solve the problems of poor reliability and low experimental accuracy, and achieve the effect of rigorous structure and strong reliability

Inactive Publication Date: 2015-09-30
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the existing experimental research device for the pressure resistance mechanism of magnetic liquid seals has the disadvantages of low experimental accuracy and poor reliability.

Method used

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  • An experimental research device for the mechanism of magnetic liquid seal pressure resistance
  • An experimental research device for the mechanism of magnetic liquid seal pressure resistance

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Experimental program
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Embodiment Construction

[0022] The present invention will be further described with accompanying drawing as specific embodiment:

[0023] Experimental research device for the mechanism of magnetic liquid seal pressure resistance, such as figure 1 , the sealing device includes: shell 1, rotating shaft 2, left bearing 3, left magnetic isolation ring 4, left pole shoe 5, permanent magnet 6, right pole shoe 7, right magnetic isolation ring 8, right bearing 9, circlip 10, End cover 11, right sealing ring 12, left sealing ring 13;

[0024] Connections between the parts making up the device:

[0025] The permanent magnet 6 is installed on the right end face of the left pole shoe 5, the right pole shoe 7 is installed on the right end face of the permanent magnet 6, the left end face of the permanent magnet 6 and the right end face of the left pole shoe 5, the right end of the permanent magnet 6 Surface and the left end surface of the right pole shoe 7 are connected by glue to form a sealing assembly;

[0...

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Abstract

The invention discloses a magnetic liquid sealing pressure-bearing mechanism experimental research device. The device is suitable for the research experiment on the magnetic liquid sealing pressure-bearing mechanism and solves the problems that the end face of an existing magnetic liquid sealing pressure-bearing mechanism experimental research device is difficult to seal, and the experiment is low in reliability. The device comprises a shell (1), a rotating shaft (2), a left bearing (3), a left magnetism separation ring (4), a left pole shoe (5), a permanent magnet (6), a right pole shoe (7), a right magnetism separation ring (8), a right bearing (9), a snap spring (10), an end cover (11), a right sealing ring (12) and a left sealing ring (13). The outer cylindrical surface of the left pole shoe (5) and the outer cylindrical surface of the right pole shoe (7) are respectively provided with pole teeth and tooth sockets. Five stepped holes are formed in the shell which is connected with a pressure gauge. The right end face of the shell is connected with a sealing cavity which has the press capacity, and magnetic liquid sealing pressure-bearing mechanism experimental research is conducted through the change of reading numbers of the pressure gauge.

Description

technical field [0001] The invention relates to an experimental device for exploring the pressure transmission process of magnetic liquid seals, which is suitable for research experiments on the pressure resistance mechanism of magnetic liquid seals. Background technique [0002] Magnetic liquid seal has been more and more widely used because of its zero leakage, long life, high reliability and other advantages. However, in the magnetic liquid seal, the problem of how the pressure is transmitted between the magnetic liquid sealing films under each pole tooth has not been fundamentally resolved. Many scientific researchers and engineers who have been engaged in the sealing industry for many years still have very limited understanding of this issue. In the research on this problem, the research device for the sealing and pressure resistance mechanism proposed by the patent No. CN201110098782.3 has the disadvantages of low sealing reliability of the front face of the device. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/00
Inventor 李德才王忠忠
Owner BEIJING JIAOTONG UNIV
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