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Comprehensive calibration device of linear displacement sensor

A technology of linear displacement sensor and displacement sensor, which is applied in the direction of measuring devices and instruments, can solve the problems of inconvenient operation, narrow applicability, and high cost, and achieve the effects of convenient installation, high work efficiency, and high degree of intelligence

Pending Publication Date: 2019-12-06
龙岩市计量所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a linear displacement sensor that can meet the requirements of JJF 1305-2011 calibration specification for linear displacement sensors, follow the Abbe principle, can calibrate various types of linear displacement sensors, and has high precision, transportable, intelligent and practical linear displacement sensors A comprehensive calibration device to solve the defects of narrow applicability, low precision, high cost and inconvenient operation existing in the calibration of existing linear displacement sensors

Method used

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  • Comprehensive calibration device of linear displacement sensor
  • Comprehensive calibration device of linear displacement sensor
  • Comprehensive calibration device of linear displacement sensor

Examples

Experimental program
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Effect test

Embodiment 1

[0041] Embodiment 1: Utilizing a linear displacement sensor comprehensive calibration device of the present invention to calibrate a differential pressure transformer displacement sensor

[0042] The specific structure and connection relationship of the linear displacement sensor fixture 20 on the comprehensive calibration device of the linear displacement sensor of the differential pressure variable displacement sensor in the present invention: the connecting plate 13 is connected to the "V" shape of the differential pressure variable displacement sensor through the screw. The "V" groove mounting seat 201 is connected, and the elastic movable clamp 11 is also installed on the "V" groove mounting seat 201. The shell is clamped with elastic movable clamps 11. By adjusting the combined slide table 12, the measuring rod of the differential pressure transformer displacement sensor 200 is in contact with the end face of the positioning through hole of the slider base 6, so as to en...

Embodiment 2

[0043] Embodiment 2: Utilize a linear displacement sensor comprehensive calibration device of the present invention to calibrate the magnetostrictive displacement sensor

[0044] The specific structure and connection relationship of the linear displacement sensor fixture 20 of the magnetostrictive displacement sensor on this comprehensive calibration device: the connecting plate 13 is installed with the lower V-shaped seat 301 by screws, and the fixed frame 303 is fixedly installed on the lower V-shaped seat 301, The upper V-shaped seat 302 is movable in the fixed frame 303, and the fast handle 304 that is spirally rotated in the fixed frame 303 can drive the upper and lower motions of the upper V-shaped seat 302 by the rotary motion of the fast handle 304. The magnetostrictive displacement sensor 300 The shell of the housing is placed between the lower V-shaped seat 301 and the upper V-shaped seat 302, thereby realizing the fast loading and unloading of the magnetostrictive di...

Embodiment 3

[0045] Embodiment 3: Utilizing a comprehensive calibration device for linear displacement sensors of the present invention to calibrate the pull-wire displacement sensor

[0046]The specific structure and connection relationship of the linear displacement sensor fixture 20 of the pull-wire displacement sensor on the comprehensive calibration device: the connecting plate 13 is installed with the flat-plate seat 401 of the pull-wire displacement sensor by screws, and elastic activities are installed on the flat-plate seat 401 of the pull-wire displacement sensor. Fixture 11, the pull-wire displacement sensor 400 to be calibrated is placed flat on the pull-wire displacement sensor flat seat 401 and positioned with positioning pins. After positioning, it is quickly clamped with elastic movable clamp 11; one end of 2# extension connecting plate 402 is fixed on the On the slider base 6, the other end of the 2# extended connecting plate 402 is equipped with a connecting shaft 403, and...

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Abstract

The invention discloses a comprehensive calibration device of a linear displacement sensor. The device comprises a stand, a table plate, a precision ball screw assembly, an assembling slide table, a linear displacement sensor clamp, a laser interferometer, a door frame interferoscope installing base, a host computer, a lower computer, a servo controller and a servo motor, the host computer controls the precision ball screw assembly to move in a linear manner with the combination of a related calibration standard according to the category of a calibrated displacement sensor, one end of the linear displacement sensor clamp is arranged above the assembling slide table with multi-dimensional movement, the other end is arranged on a slide block base above the precision ball screw assembly according to the requirement so that linear movement of the calibrated linear displacement sensor is driven, and the laser interferometer measures the disablement of the slide block on the precision ball screw assembly in real time and compares the displacement of the slide block with the displacement of the calibrated linear displacement sensor to form a calibration result. The device is in accordancewith the Abbe principle and has characteristics of high precision, intelligence, high efficiency, easy conveying, and convenient installation, and the calibration requirement of the linear displacement sensors of various structures can be satisfied.

Description

technical field [0001] The invention relates to a calibration device for a measuring instrument, in particular to a comprehensive calibration device for a linear displacement sensor. Background technique [0002] Linear displacement sensor is an important member of many measuring instruments. It is mainly used to measure length dimensions such as displacement, distance, position and strain. It is widely used in engineering testing, industrial production and scientific research: such as in the positioning of machine tool length and Protrusion size positioning, intelligent machine stroke positioning; and for example, it is used in the measurement of cylindricity, height, and height difference of mechanical parts; it is also used in displacement measurement of pile foundation static load test, etc. The measurement range of linear displacement sensor is from nanometer, micrometer, millimeter to meter. [0003] There are many kinds of linear displacement sensors, which can be di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/02
CPCG01B21/02
Inventor 邓玉湖郑振强林燮佳张智琪曾庆威杨图强罗秋华黄晓冬王丽红
Owner 龙岩市计量所
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