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Mechanical laser tracking double-ball-rod instrument

A laser tracking and mechanical technology, applied in the direction of instruments, optical devices, measuring devices, etc., can solve the problems of high measurement cost, expensive instruments, difficult adjustment of optical path, etc., achieve flexible movement of the device, simple operation, and overcome measurement costs too high effect

Active Publication Date: 2020-06-09
西安阿贝铟精密仪器有限公司
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AI Technical Summary

Problems solved by technology

[0002] At present, the commonly used instruments for measuring the geometric error of CNC machine tools mainly include laser trackers, laser interferometers, etc. The laser interferometer has high measurement accuracy, but it can only measure a single error each time, and it is difficult to adjust the optical path
The laser tracker is a three-dimensional space measuring instrument, which is widely used in the fields of CNC machine tools and three-coordinate measurement, but the price of the instrument is very expensive, and the measurement cost is too high

Method used

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  • Mechanical laser tracking double-ball-rod instrument
  • Mechanical laser tracking double-ball-rod instrument
  • Mechanical laser tracking double-ball-rod instrument

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] Such as figure 1 As shown, a mechanical laser tracking double ballbar instrument includes a mechanical tracking device and a laser interferometric length measurement unit installed therein; the mechanical tracking device includes a telescopic device, and the front end of the telescopic device is connected with a front-end connection unit 14 , the rear end of the telescopic device is connected with a rear connection unit 7;

[0023] The telescopic device includes a base 1. Fixed linear guide rails 2 are installed on both sides of the base 1. The fixed linear guide rail 2 is connected to the rear end of the first-stage telescopic unit 6. The first-stage telescopic unit 6 can move axially along the fixed linear guide rail 2; The front end of the telescopic unit 6 is connected to the rear end of the secondary telescopic unit 8; the front end of the second...

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Abstract

The invention provides a mechanical laser tracking double-ball-rod instrument which comprises a mechanical tracking device and a laser interference length measuring unit installed on the mechanical tracking device. The mechanical tracking device comprises a telescopic device, a front end and a rear end of the telescopic device are connected with a front-end connecting unit and a rear-end connecting unit, and each of the front-end connecting unit and the rear-end connecting unit comprise a precise spherical hinge to achieve the spatial movement of the telescopic device. The laser interference length measuring unit comprises a laser, an interference mirror and a reflecting mirror, and the distance measurement is realized by three points and one line; the telescopic device comprises multiplestages of telescopic units, and the axial length adjustment is achieved. According to the invention, the advantages of a laser interferometer and a double-ball-rod instrument are combined to realize the mechanical passive tracking measurement of a space target point, and the instrument has the advantages of flexible movement, simple operation and high measurement efficiency.

Description

technical field [0001] The invention relates to the technical field of geometric error measurement of machine tools, in particular to a mechanical laser tracking double ballbar instrument. Background technique [0002] At present, the commonly used instruments for measuring geometric errors of CNC machine tools mainly include laser trackers and laser interferometers. Laser interferometers have high measurement accuracy, but they can only measure a single error each time, and it is difficult to adjust the optical path. The laser tracker is a three-dimensional space measuring instrument, which is widely used in the fields of numerical control machine tools and three-coordinate measurement, but the price of this instrument is very expensive, and the measurement cost is too high. Contents of the invention [0003] In order to overcome the shortcomings of existing instruments, the object of the present invention is to provide a mechanical laser tracking double ballbar, which us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/02
CPCG01B11/02
Inventor 李海涛任工昌张譍之张彩丽李夏霜孙建功
Owner 西安阿贝铟精密仪器有限公司
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