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Linearl laser detector of plate shape

A detection device, linear technology, applied in the direction of length measuring device, metal processing equipment, metal rolling, etc., can solve the problems that hinder the reliability of the measurement system, achieve the effect of simple structure, easy manufacture, and avoid measurement error

Inactive Publication Date: 2004-08-11
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual measurement, the processing, heat resistance, deformation of the large grid, and the installation close to the hot-rolled strip to be tested all hinder the reliability of the measurement system

Method used

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  • Linearl laser detector of plate shape
  • Linearl laser detector of plate shape
  • Linearl laser detector of plate shape

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1. Consists of strip steel 1, support roll 2, work roll 3, horizontal laser support frame and laser position angle control mechanism 4, 3 horizontal linear semiconductor laser generators 5, longitudinal laser support frame and laser position angle control mechanism 6. Composed of 3 vertical linear semiconductor laser generators 7, camera support frame and position control mechanism 8, 5 area array CCD cameras and optical filters 9, computer processing system 10, linear laser plate shape measuring device, laser light The distance between them adopts equidistant irradiation, the distance is 100mm, and the inclination angle of laser light is 35°.

Embodiment 2

[0015] Embodiment 2. Consists of strip steel 1, support roll 2, work roll 3, horizontal laser support frame and laser position angle control mechanism 4, 5 horizontal linear semiconductor laser generators 5, vertical laser support frame and laser position angle control mechanism 6. Composed of 5 vertical linear semiconductor laser generators 7, camera support frame and position control mechanism 8, 5 area array CCD cameras and optical filters 9, computer processing system 10, linear laser plate shape measuring device, laser light The distance between them adopts equidistant irradiation, the distance is 50mm, and the inclination angle of laser light is 45°.

Embodiment 3

[0016] Embodiment 3. Consists of strip steel 1, support roll 2, work roll 3, horizontal laser support frame and laser position angle control mechanism 4, 7 horizontal linear semiconductor laser generators 5, vertical laser support frame and laser position angle control mechanism 6. Composed of 7 vertical linear semiconductor laser generators 7, camera support frame and position control mechanism 8, 8 area array CCD cameras and optical filters 9, computer processing system 10, linear laser plate shape measuring device, laser light The distance between them adopts equidistant irradiation, the distance is 30mm, and the inclination angle of laser light is 40°.

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Abstract

A laser detector for in-line measuring the flatness of steel band or plate in its cold rolling, hot rolling or straightening step is composed of steel band, supporting rollers, working rollers, longitudinal linear semiconducto laser device, transverse linear semiconductor laser device, longitudinal laser device supporter and position regulator, transverse laser device supporter and position regulator, camera supporter and position regulator, several planar array CCD cannerals and optical filters, and computer processing system. Its advantages include simple structure, easy operation and high precision.

Description

Technical field: [0001] The invention belongs to the detection technology in the shape rolling process, and is suitable for the on-line measurement of the flatness of the strip in the cold rolling, hot rolling, straightening and finishing processes of iron and steel enterprises. Background technique: [0002] The control of strip shape has become the focus of research all over the world. The key to realizing automatic control of flatness is whether the online automatic detection of flatness can be realized, because only when accurate and reliable flatness information is provided to the flatness control system, the control system can issue correct control instructions to the flatness adjustment actuator. The plate shape detection device can be divided into two types: contact type and non-contact type. At present, the commonly used plate shape detection technologies at home and abroad include: split roller tension detection technology, laser triangulation detection technology...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B38/02
Inventor 刘江王长松
Owner UNIV OF SCI & TECH BEIJING