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Positioning ball head adjusting method and tool

An installation and adjustment method and ball head technology are applied in the direction of measuring devices, manufacturing tools, and optical devices, etc., which can solve the problems of inability to meet the accuracy requirements of positioning ball head assembly, poor stability of laser measuring heads, and ball head position deviation. Achieve the effect of avoiding low overall measurement accuracy, saving measurement time, and reducing intermediate links

Active Publication Date: 2020-08-07
INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The support frame body is a weak rigid part, and the whole frame body is welded by stainless steel pipes. The coordinates of the ball head detected after precision machining meet the accuracy requirements, but due to the existence of welding stress and machining stress, after a period of time , the stress release will lead to deformation of the frame, which will eventually lead to a deviation in the position of the ball head, which cannot meet the accuracy requirements of the positioning ball head.
[0005] 2. First measure the coordinates of the center of the laser measuring head, and then convert it into the coordinates of the center of the positioning ball head. The operation is cumbersome and inefficient, and the stability of manually holding the laser measuring head is poor, and the accuracy cannot be guaranteed.

Method used

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  • Positioning ball head adjusting method and tool
  • Positioning ball head adjusting method and tool
  • Positioning ball head adjusting method and tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] This embodiment provides a positioning ball head installation and adjustment method, the specific steps are as follows:

[0049] Step 1, install the laser measuring head on the ball head fixing plate;

[0050] Step 2: Measure the position coordinates of the laser measuring head at this time through the laser tracker, compare it with the theoretical design value, and adjust the horizontal position and vertical position of the laser measuring head relative to the current support position to meet the theoretical design value. Specifically, adjust the horizontal position and vertical position of the laser measuring head relative to the current support position, adopt the overall tooling that can realize X-direction, Y-direction and Z-direction adjustment; It can be adjusted with the Z-direction adjustment prefab random combination device. And the position of the laser measuring probe can be adjusted by adjusting the movement of the ball head fixing plate relative to the X / ...

Embodiment 2

[0053] This embodiment provides a positioning ball head assembly and adjustment tool, which is an integral tool that can be adjusted in the X, Y, and Z directions, including a ball head fixing plate 1, and the ball head fixing plate 1 is provided with a mounting hole 2 , is used to realize a kind of positioning ball head installation and adjustment method described in embodiment 1; The surface of the bracket 4 where the positioning ball head 3 is installed is the XY horizontal plane. The Z-direction lifting adjustment part is arranged in the installation hole 2, and the ball head fixing plate 1 There are also X-direction and Y-direction level adjustment components on the top.

[0054] During alignment and use, the lifting adjustment part is used to install the laser measuring head 7, and the installation position of the ball head fixing plate 1 on the bracket 4 is adjusted through the lifting adjustment part and the horizontal adjustment part to realize the X / Y / Z coordinate p...

Embodiment 3

[0057] To further improve on the basis of Example 2, the lifting adjustment component adopts a screw lifting mechanism, and the specific structure is as follows:

[0058] The lifting adjustment part adopts a sleeve 51, and the outer wall of the sleeve 51 is threadedly connected with the inner wall of the installation hole 2; during alignment, it is used to install the measuring head placing column 9 in the sleeve 5, and one end of the measuring head placing column 9 is fixed The laser measuring head 7 is installed in the other end of the sleeve 51 ; after the alignment is completed, the positioning ball head 3 is installed in the sleeve 51 .

[0059] The ball head fixing plate 1 is provided with a boss 10 so that the ball head fixing plate 1 has a T-shaped structure as a whole, and the installation hole 2 runs through the boss 10; when the ball head fixing plate 1 and the bracket 4 are adapted, the boss 10 extends into or It runs through the positioning hole 11 on the bracket ...

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Abstract

The invention discloses a positioning ball head adjusting method. The positioning ball head adjusting method comprises the following steps: mounting a laser measuring head on a ball head fixing plate;measuring the position coordinate of the laser measuring head at this moment through a laser tracker, and comparing the position coordinate with a theoretical design value; adjusting the horizontal position and the vertical position of the laser measuring head relative to a current support site to accord with the theoretical design value; and replacing the laser measuring head mounted on the ballhead fixing plate with a positioning ball head. A method of interchanging the laser measuring head and the positioning ball head is adopted to replace a traditional handheld indirect measuring mode;and the method is simple to operate and higher in precision, the adjusting efficiency is improved effectively, and the time is saved exponentially particularly when hundreds to thousands of light engine modules exist.

Description

technical field [0001] The invention relates to the technical field of optical instruments, in particular to a method for assembling and adjusting a positioning ball head and tooling. Background technique [0002] At present, optical-mechanical modules are widely used in major national scientific installations, such as radio telescopes, infrared laser devices, etc., and most of the supporting components of optical-mechanical modules are weakly rigid frames. There are almost strict requirements, and as a supporting component, the structural dimensional stability of the weakly rigid frame is difficult to guarantee. How to prevent the position of multiple optical-mechanical modules (ball head positions) from being deviated due to the deformation of the frame is very important. [0003] In the prior art, taking the size and tolerance of each positioning hole on the design drawing as a reference, the positioning holes are directly finished on the weakly rigid frame body, and the ...

Claims

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Application Information

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IPC IPC(8): B25B11/02G01B11/00
CPCB25B11/02G01B11/00
Inventor 陈家川梁明锋杨碧颖李月连克难徐猛赵运武
Owner INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS