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Linearl laser detector of plate shape

A detection device, a linear technology, applied in the direction of length measuring device, metal processing equipment, metal rolling, etc., can solve problems such as hindering the reliability of the measuring system, and achieve the effects of simple structure, low cost, and easy manufacturing.

Inactive Publication Date: 2002-07-03
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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1. by strip steel (1), back-up roll (2), work roll (3), horizontal laser support frame and laser position angle control mechanism (4), 3 horizontal linear semiconductor laser generators (5), Vertical laser support frame and laser position angle control mechanism (6), 3 vertical linear semiconductor laser generators (7), camera support frame and position control mechanism (8), 5 area array CCD cameras and optical filters (9 ), a computer processing system (10), a linear laser plate shape measuring device, the distance between the laser beams is irradiated at an equal distance, the distance is 100mm, and the inclination angle of the laser beams is 35°.

Embodiment 2

[0016] Embodiment 2. By strip steel (1), back-up 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), 5 vertical linear semiconductor laser generators (7), camera support frame and position control mechanism (8), 5 area array CCD cameras and optical filters (9 ), a computer processing system (10), a linear laser plate shape measuring device, the distance between the laser beams is irradiated at an equidistant distance, the distance is 50mm, and the inclination angle of the laser beams is 45°.

Embodiment 3

[0017] Embodiment 3. By strip steel (1), back-up 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), 7 vertical linear semiconductor laser generators (7), camera support frame and position control mechanism (8), 8 area array CCD cameras and optical filters (9 ), a computer processing system (10), a linear laser plate shape measuring device, the distance between the laser beams is irradiated at an equal distance, the distance is 30mm, and the inclination angle of the laser beams 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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IPC IPC(8): B21B38/02
Inventor 刘江王长松
Owner UNIV OF SCI & TECH BEIJING
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