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A torsion table for two-dimensional perturbation at the same frequency in space

A technology of torsion table and space, which is applied in the field of torsion table to realize the two-dimensional disturbance of the same frequency in space, which can solve the problems of difficult to realize the same frequency disturbance and complex structure of the swing table, and achieve the effect of simple structure and high-quality analog output

Active Publication Date: 2021-11-16
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problems that the existing two-dimensional swing table needs a driving mechanism for each rotation dimension, which makes the overall structure of the swing table more complicated, and it is difficult to achieve the same frequency disturbance in the two rotation dimensions, the present invention provides a Two-dimensional perturbed wiggle table

Method used

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  • A torsion table for two-dimensional perturbation at the same frequency in space
  • A torsion table for two-dimensional perturbation at the same frequency in space
  • A torsion table for two-dimensional perturbation at the same frequency in space

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Such as figure 1 As shown, a torsion table for two-dimensional disturbance at the same frequency in space includes a base 1 , a shafting rotor 10 , a torsion coil spring 11 , a rotating static table 9 , a rotating dynamic table 3 and a two-axis speed measuring mechanism 4 .

[0063] The lower part of the shafting rotor 10 is rotatably arranged in the base 1, and the upper part is fixedly connected with the middle part of the rotating static table 9; the torsion coil spring 11 is set on the shafting rotor 10, and the upper inner end of the torsion coil spring 11 is connected to the shaft The rotor 10 is fixedly connected, and the lower outer end (i.e., the stator end 16) is fixedly connected with the base 1; A precision hinge I7 and at least one set of angle adjustment components are provided to realize the adjustment of the inclination between the rotating movable table 3 and the rotating static table 9; figure 1 Among them, the position A is the position where the rot...

Embodiment 2

[0075] Such as image 3 and Figure 4 As shown, a torsion table that realizes two-dimensional perturbation at the same frequency in space includes a base 1, a shafting stator seat 2, a driving motor 13, a shafting rotor 10, a rotating static table 9, a rotating dynamic table 3 and two shafts Speed ​​measuring mechanism4.

[0076] The shafting stator seat 2 is set on the base 1, and the driving motor 13 is set in the base 1;

[0077] The lower part of the shafting rotor 10 is installed in the shafting stator base 2, and the lower end is coaxially connected with the output shaft of the driving motor 13, and its upper part is fixedly connected with the middle part of the rotating static table 9 above the shafting stator base 2; The base 1 is provided with a shafting stator seat 2, and the lower part of the shafting rotor is installed in the stator seat through back-to-back angular contact ball bearings 12. The driving motor 13 is used to drive the shafting rotor 10 to swing aro...

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Abstract

The present invention provides a torsion table for realizing two-dimensional disturbance at the same frequency in space, and solves the problem that the structure of the existing two-dimensional swing table is relatively complicated, and it is difficult to realize the same frequency disturbance in two rotation dimensions. The torsion table includes a base, a shafting rotor, a torsion coil spring, a rotating static table, a rotating dynamic table stacked on the rotating static table, and a two-axis speed measuring mechanism fixed on the rotating table; The lower part of the rotor rotates in the base, and the upper part is fixedly connected with the middle part of the rotating static table; the torsion coil spring is set on the shafting rotor, and the two ends are respectively connected with the shafting rotor and the base; the rotating table is connected with the There is a hinge Ⅰ and at least one set of angle adjustment components between the rotary static table to realize the inclination adjustment between the rotary dynamic table and the rotary static table; the rotary dynamic table is used to install the test piece; the two-axis speed measuring mechanism It is used to measure the rotation speed of its sensitive direction in the inertial space, the rotation speed includes the rotation speed ω around the X axis x and the rotation speed ω around the Y axis y .

Description

technical field [0001] The invention relates to a two-dimensional torsion table, in particular to a torsion table for realizing space-frequency two-dimensional disturbance. Background technique [0002] The vibration rocking table is a device that can reproduce the vibration environment of the tested part, and is used to study the reliability and stability of the tested part under different vibration environments. [0003] With the rapid development of shipborne, airborne or spaceborne technology, the demand for shipborne, airborne or spaceborne optoelectronic platforms is becoming more and more extensive. In the later stage of development and debugging of shipborne, airborne or spaceborne optoelectronic platforms, It needs to be placed on a swing table to simulate the attitude disturbance caused by ships, aircraft, and satellites in the actual working environment. [0004] The existing two-dimensional rocking table can realize motion simulation in two rotational dimensions...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/06
CPCG01M7/06
Inventor 韩俊锋张晶常志远刘鹏孟祥笙
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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