Special worktable for laser tracker and laser tracking measurement method

A technology of laser tracker and workbench, which is applied to measuring devices, instruments, optical devices, etc., and can solve problems such as the inability to meet the measurement accuracy requirements

Active Publication Date: 2012-06-27
CHINA ERZHONG GRP DEYANG HEAVY IND
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, when its measurement range exceeds 20 meters, its measurement uncertainty will reach 0.1 mm, and as the measurement range increases, the measurement uncertainty will also increase linearly
However, a part is a part with a length of more than 30 meters and requires ultra-high precision, so the above-mentioned laser tracker cannot meet its measurement accuracy requirements

Method used

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  • Special worktable for laser tracker and laser tracking measurement method
  • Special worktable for laser tracker and laser tracking measurement method
  • Special worktable for laser tracker and laser tracking measurement method

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Embodiment Construction

[0029] Such as Figure 2 to Figure 5 The special workbench for the laser tracker shown includes a mounting base 1 and a vertical angle adjustment device 2 , a horizontal angle adjustment device 3 , a horizontal translation adjustment device 4 and an up-and-down adjustment device 5 for adjusting the mounting base 1 . Wherein, the mounting seat 1, the vertical angle adjustment device 2, the horizontal angle adjustment device 3, the horizontal translation adjustment device 4 and the up and down lifting adjustment device 5 are arranged from top to bottom, and a bracket 6 is installed under the up and down lifting adjustment device 5, Used to support the entire dedicated workbench. The up and down lifting adjustment device 5 is used to drive the whole mechanism above it to move up and down, the horizontal translation adjustment device 4 is used to drive the whole mechanism above it to do horizontal translation movement, and the horizontal angle adjustment device 3 is used to drive ...

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Abstract

The invention discloses a special worktable for a laser tracker, which is capable of moving the laser tracker to an extension line of the link between the point A and the point B to the utmost extent and keeping the pointing direction of the laser track consistent with the link between the point A and the point B to the utmost extent when in measurement of the distance between the point A and the point B in the three-dimensional space. The special worktable for the laser tracker comprises a mount, a vertical angle regulator, a horizontal angle regulator, a horizontal translation regulator and a lifting regulator, wherein the mount is matched with a base of the laser tracker, the vertical angle regulator, the horizontal angle regulator, the horizontal translation regulator and the lifting regulator are used for regulating the mount. The interferometry function of the laser tracker can be utilized by the worktable during measurement, horizontal rotation and vertical rotation of the laser tracker are avoided, and accordingly uncertainty in measurement of the laser tracker is reduced, and measurement precision of the point A and the point B is guaranteed. In addition, the invention further discloses a laser tracking measurement method.

Description

technical field [0001] The invention relates to a special workbench for a laser tracker and a laser tracking measurement method. Background technique [0002] Among the existing portable, large-scale space measurement equipment, the laser tracker is the most accurate. For example, the measurement uncertainty of a certain type of laser tracker produced by the American API company reaches 0.005 mm / m, and its measurement range is 0-60 meters. However, when the measurement range exceeds 20 meters, the measurement uncertainty will reach 0.1 mm, and with the increase of the measurement range, the measurement uncertainty will also increase linearly. However, a certain part is a part with a length of more than 30 meters and requires ultra-high precision, so the above-mentioned laser tracker cannot meet its measurement precision requirements. Contents of the invention [0003] In order to overcome the above limitations of the laser tracker, the inventors of the present applicatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B11/03
Inventor 段玲石小兵
Owner CHINA ERZHONG GRP DEYANG HEAVY IND
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