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Flexible magnetic yoke device

A magnetic yoke, flexible technology, applied in the direction of magnetic core/yoke, material magnetic variables, electrical components, etc., can solve the problems of difficult adjustment of the coupling gap on the surface of the workpiece, low electromagnetic conversion efficiency loss, and inability to achieve the best detection effect.

Active Publication Date: 2014-10-08
EDDYSUN (XIAMEN) ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Generally, the electromagnetic yoke for magnetic particle flaw detection is made of silicon steel sheet as the iron core. This method has high electromagnetic conversion efficiency and low loss, but the coupling gap with the workpiece surface is not easy to adjust, and the best detection effect cannot be achieved.

Method used

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Embodiment

[0011] An embodiment, a flexible yoke device, comprising a multi-strand steel wire rope 1, a conductive coil 2, two ferromagnetic shoes 3, and a spacing angle adjustment control device 4; the middle part of the multi-strand steel wire rope 1 is wound and fixed with a conductive coil 2; A ferromagnetic shoe 3 is respectively fixed on the two end surfaces of the multi-strand steel wire rope 1; the two ends of the multi-strand steel wire rope 1 are bent toward the middle part, and a spacing angle adjustment control device is installed and fixed between the two ends of the bent multi-strand steel wire rope 1 4. The spacing angle adjustment control device 4 can control the spacing between the ferromagnetic shoes 3 at both ends of the bent multi-strand steel wire rope 1 and the relative angle between the bottom surfaces of the ferromagnetic shoes 3 .

[0012] During the magnetic particle detection process, according to the structure of the detection part of the workpiece 5 to be insp...

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PUM

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Abstract

The invention discloses a flexible magnetic yoke device. The flexible magnetic yoke device comprises a plurality of strands of steel wire ropes, a conductive coil, two ferromagnetic shoes and an interval and angle adjustment control device. The multiple strands of steel wire ropes are adopted as a flexible electromagnetic yoke, the interval and the angle between the two magnetic shoes of the flexible magnetic yoke can be freely adjusted, and thus the technological requirements of flaw detection for different magnetic shoe intervals and different coupling angles are met in magnetic powder flaw detection.

Description

Technical field [0001] The invention relates to a non-destructive testing device, in particular to a flexible magnetic yoke device for magnetic particle flaw detection. Background technique [0002] Generally, the electromagnetic yoke for magnetic particle flaw detection is made of silicon steel sheet as the iron core. This method has high electromagnetic conversion efficiency and low loss, but the coupling gap with the workpiece surface is not easy to adjust, and the best detection effect cannot be achieved. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and to design a flexible magnetic yoke device, which adopts multi-strand steel wire ropes as the flexible magnetic yoke. [0004] The technical solution adopted by the present invention to solve the technical problem is to provide a flexible magnetic yoke device, which is characterized in that it includes a multi-strand steel wire rope, a conductiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F3/00G01N27/84
Inventor 林俊明
Owner EDDYSUN (XIAMEN) ELECTRONICS CO LTD
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