Method and device for leading out direction of turning spindle axis of high-precision swing bench

A technology of lead-out device and rocking table, which is applied in measurement device, vibration test, machine/structural component test, etc., can solve problems such as alignment and output error, and achieves reduction of output error, coupling error, and reasonable design. Effect

Active Publication Date: 2015-03-18
TIANJIN NAVIGATION INSTR RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Since there is no optical reference representing its orientation on the high-precision rocking table, the orientation of the high-precision rocking table and the equipment under test cannot be aligned directly by using the autocollimation theodolite, which will eventually lead to output errors

Method used

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  • Method and device for leading out direction of turning spindle axis of high-precision swing bench
  • Method and device for leading out direction of turning spindle axis of high-precision swing bench
  • Method and device for leading out direction of turning spindle axis of high-precision swing bench

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Embodiment Construction

[0027] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0028] In order to facilitate the understanding of the method of the present invention, the principle of the method and the required test equipment are firstly described here.

[0029] Principle of the present invention is:

[0030] When the high-precision swing table is installed, the coordinate system is exactly consistent with the geographic coordinate system. On this basis, the following work is carried out. The optical hexahedron 2 is installed on the rocking table, and the table top 3 of the rocking table is rotated 90° (such as figure 1 shown) (that is, perpendicular to the horizontal plane XOY), use the autocollimation theodolite to adjust the plane 1 where the optical normal of the optical hexahedron is located to be parallel to th...

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Abstract

The invention relates to a method for leading out the direction of a turning spindle axis of a high-precision swing bench. The method comprises the following steps of: (1) installing and adjusting a special direction leading-out device; and (2) aligning the direction of tested equipment with the axis of the high-precision swing bench. The method for leading out the direction of the turning spindle axis of the high-precision swing bench has a reasonable design and high practicability. In the method, a direction calibration device is designed and the aim of aligning the coordinate system of the tested equipment with the coordinate system of the high-precision swing bench is fulfilled by an indirect method, so that the swing test can be performed smoothly and the output error is reduced.

Description

technical field [0001] The invention relates to the field of high-precision swing tables, in particular to a method and a device for extracting the orientation of a rotation axis of a high-precision swing table. Background technique [0002] When the equipment under test performs a swing test on a high-precision swing table, it is necessary to align the rotation axis of the high-precision swing table with the orientation of the equipment under test and install it to reduce the coordinate system of the equipment under test and the coordinate system of the high-precision swing table. Therefore, the premise of accurate swing test results is that the orientations of the two must be aligned (that is, the rotation axis of the high-precision swing table and the orientation of the equipment under test are located in parallel planes). Since there is no optical reference representing its orientation on the high-precision rocking table, the orientation of the high-precision rocking tab...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/02G01M99/00
Inventor 徐凯李彦征张群刘伟熊成强
Owner TIANJIN NAVIGATION INSTR RES INST
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