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Grating magnetic scale displacement sensor

A technology of displacement sensor and magnetic ruler, applied in the field of displacement sensor, can solve the problems of serious wear, can not meet the needs of production, infiltration, etc., and achieve the effect of high measurement accuracy, improved accuracy and small environmental impact

Inactive Publication Date: 2011-06-01
天津市天海铝业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its installation form causes rolling oil to seep into during work, and the wear is serious, which cannot meet the needs of production.

Method used

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  • Grating magnetic scale displacement sensor
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  • Grating magnetic scale displacement sensor

Examples

Experimental program
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Effect test

Embodiment Construction

[0010] refer to figure 1 , one end of the holder (6) is connected to the grating magnetic ruler (5), the grating magnetic ruler (5) is connected to the crimp terminal (3), the other end of the holder (6) is connected to the probe (4), and through the holder (6) The connection hole connects the insulating sheet (7) and the partition plate (2), and then connects and installs the insulating sleeve (1) to assemble into one body. During use, the present invention is installed in the fixed displacement sensor (10) outside the pressing upper cylinder (11) of the rolling mill that is formed by supporting roller bearing (8), supporting roller (9), and pressing the upper cylinder (11), i.e. It can be put into testing operation, press the upper cylinder to push the supporting roller bearing box to move up and down, and the magnetic scale also moves with the bearing box, the probe measures the grating scale on the magnetic scale, and the read data is fed back to the control system. The i...

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Abstract

The invention discloses a grating magnetic scale displacement sensor which is mainly characterized in that one end of a fixer is connected with a grating magnetic scale; the grating magnetic scale is connected with a curl type terminal; the other end of the fixer is connected with a probe head, and is connected with an insulating disc and a clapboard through connecting holes in the fixer; and then an insulating sleeve is connected and installed to be combined into a whole. When in use, the device comprising the grating magnetic scale, the fixer and the like is arranged in a displacement sensor which is fixed at the outer side of a pressure upper half cylinder of a rolling mill, thus the grating magnetic scale displacement sensor provided by the invention is formed; and the grating magnetic scale displacement sensor can be used for detection and operate, the pressure upper half cylinder impels a support roller bearing box to move up and down, the magnetic scale also moves along with the bearing box, the probe head measures the grating scale on the magnetic scale, and reads data to send feedback to a control system. The grating magnetic scale displacement sensor disclosed by the invention has the advantages of high measuring accuracy, less influence caused by the environment, long service life, high anti-interference capability and low cost, and is simple and convenient to maintain.

Description

Technical field [0001] The invention relates to a displacement sensor, in particular to a grating magnetic ruler displacement sensor, which is suitable for non-contact and high-precision detection of absolute position. Background technique [0002] Currently, linear variable displacement sensors are used on rolling mills to measure thickness control and synchronization of pressing cylinders. In the position thickness control mode, to know the measured value of the roll gap, it is necessary to measure the extension distance of the upper pressing cylinder, and the relationship between the extension distance of the upper pressing cylinder and the deformation of the frame under load when the roll gap is adjusted to zero. The detection accuracy of the linear variable displacement sensor is 0.001mm, and the response is not sensitive when detecting small displacement dimensions. Its installation form causes rolling oil to seep into during work, and the wear is serious, which canno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/02G01B7/02
Inventor 张铁健王景和张平陈俊玲李永璋
Owner 天津市天海铝业有限公司
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