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A fully automatic on-site calibration device for large-scale measuring equipment

A measurement equipment and field calibration technology, applied in the field of geometric quantities, can solve problems such as low measurement efficiency and inconvenient measurement operation, and achieve the effects of increasing stability, improving field calibration efficiency, and adjusting straightness

Active Publication Date: 2018-12-21
BEIJING CHANGCHENG INST OF METROLOGY & MEASUREMENT AVIATION IND CORP OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the problems of inconvenient measurement operation and low measurement efficiency of the existing on-site calibration device for large-scale measuring equipment. The present invention provides a fully automatic on-site calibration device for large-scale measuring equipment

Method used

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  • A fully automatic on-site calibration device for large-scale measuring equipment
  • A fully automatic on-site calibration device for large-scale measuring equipment
  • A fully automatic on-site calibration device for large-scale measuring equipment

Examples

Experimental program
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Embodiment 1

[0033] A fully automatic on-site calibration device for large-scale measuring equipment consists of three parts: a movable adjustment base integrated with a control system; a modular automatic attitude adjustment mechanism; and a linear length measurement component.

[0034] A movable and adjustable base integrated with a control system, including an integrated control system 1, a base 2, a foot 3 and omnidirectional casters 4; the base 2 is the foundation of the device, and one end of the base 2 has a groove inward for placing a linear guide rail The end of the assembly; the four adjustable feet 3 installed on the corners of the base 2 can facilitate the horizontal adjustment of the device; the omnidirectional casters 4 can facilitate the rapid movement of the calibration device. The integrated control system 1 is installed on the base 2, and the control system 1 communicates with the computer through the serial port, and can automatically drive the sliding table 11 and the tr...

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Abstract

The invention relates to a fully-automatic large-size measurement equipment field calibration device, which belongs to the field of geometry. An interferometer is used as a length measurement standard to be matched with a linear guide rail, and the standard length between any two points in the linear direction is given; a modular posture adjustment mechanism is used to be matched with a shaft system with pretightening to realize automatic non-deflection rotation of the guide rail at any angle of 0 DEG to 90 DEG through double trapezoidal screw push rods; finally, in match with the interferometer, a standard length under the needed posture is given; and the control system of the whole device and a base are integrated as a whole to realize convenient movement of the calibration device. the problem of low efficiency of the existing calibration device is solved, the modular automatic posture adjustment mechanism is used to automatically realize any posture adjustment of 0 DEG to 90 DEG for the guide rail and the length measurement assembly and the length measurement calibration work under any posture, and the field calibration efficiency of the traditional field calibration device is greatly improved.

Description

technical field [0001] The invention is an on-site calibration device for full-automatic large-scale measuring equipment, which belongs to the field of geometric quantities. Background technique [0002] The current problem for large-scale industrial measurement systems is how to solve the on-site calibration of the measurement system. The fixed-length scale cannot meet the needs of the site in terms of length and accuracy, so some foreign institutions have begun to try to use laser interferometry to solve this problem. At present, the United States has done a lot of work to solve the on-site calibration of coordinate measuring instruments such as laser trackers. [0003] The laser ball bar LBB (Laser Ball Bar) developed by Tetra Precision Company in the United States combines a laser interferometer with a ballbar to quickly calibrate the CNC machine tool and the three-coordinate measuring machine within 1m. [0004] The National Institute of Standards and Technology (Nati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/00G01B11/02
CPCG01B11/00G01B11/02
Inventor 孙安斌马骊群高廷王继虎曹铁泽甘晓川李洋乔磊邹智樊晶晶
Owner BEIJING CHANGCHENG INST OF METROLOGY & MEASUREMENT AVIATION IND CORP OF CHINA
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