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Split plate profile instrument with piezomagnetic internal pores

A shape meter, magnetic technology, applied in instruments, electromagnetic measuring devices, electrical/magnetic roughness/irregularity measurement, etc., can solve the problems of application limitation, harshness, and easy blocking of the air passage of the inspection roller.

Inactive Publication Date: 2007-03-21
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of shape meter has extremely strict requirements on the working environment and requires particularly clean air, otherwise the air passage of the detection roller is easily blocked and cannot work normally
Therefore, the application of this shape meter is greatly limited

Method used

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  • Split plate profile instrument with piezomagnetic internal pores
  • Split plate profile instrument with piezomagnetic internal pores

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Fig. 2 is an embodiment of the slice inner hole piezomagnetic type shape meter disclosed by the present invention. The detection roller 1 installs 15 independent roller sheets 10 on a hollow mandrel 13 in the form of interference fit, and all The end covers at both ends of the roll sheet 10 and the roll body are fixedly connected together by four long pin bolts. Each roller sheet is composed of sheet body 14, piezomagnetic pressure sensor 11 and self-locking pad 12. Four piezomagnetic pressure sensors 11 with similar performance are installed in the cavity at the circumferential symmetrical position of sheet body 14. By self-locking The adjustment pad 12 fixes the sheet body 14 and the piezomagnetic sensor 11 as a whole, and at the same time, utilizes the extremely small inclination of the self-locking adjustment pad 12 to precisely adjust the preload of the piezomagnetic sensor 11 .

[0015] The working principle of the sliced ​​inner hole piezomagnetic shapemeter is: ...

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PUM

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Abstract

The present invention belongs to the field of automatic metallurgical machinery measuring instrument technology, and is especially one kind of automatic in-situ straightness detecting device for cold rolled belt. The automatic in-situ straightness detecting device consists of detecting roller, bearing seat, slip ring, phase-sensitive detector, low pass filtering amplifier, peak holder, data acquiring board, computer and display. It features the detecting roller with 5-40 independent roller tabs, 2 or 4 piezomagnetic manometric sensors inside cavities near the roller tabs, and self-locking regulating pads to fixing the roller tabs and the piezomagnetic manometric sensors integrally. The automatic in-situ straightness detecting device has reasonable structure, stable signal, high detection precision, high antijamming capability, long service life, easy installation and maintenance, and other advantages, and is significant in raising the quality of rolled belt.

Description

technical field [0001] The invention belongs to the technical field of automatic measurement and testing instruments for metallurgical machinery and equipment, and relates to a detection device for on-line automatic detection of the flatness (strip shape) of cold-rolled strips. It is suitable for online detection of the flatness of various cold-rolled strips. Background technique [0002] With the continuous improvement of people's requirements for the shape quality, the shape detection technology has been paid more and more attention at home and abroad. However, shape detection is a very difficult problem. On the one hand, it is because the detection environment is harsh and there are many interference factors; on the other hand, it is also because shape defects have many complex manifestations. Shape detection is the premise and key of shape control. Due to the urgent needs of the industrial production of cold-rolled strips and the huge economic benefits brought about by...

Claims

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Application Information

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IPC IPC(8): B21B38/02G01B21/30G01B5/28G01B7/34
Inventor 刘宏民于丙强华仲新胡友彭艳
Owner YANSHAN UNIV
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