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Device and method for automatically adjusting center of mass after applying load to triaxial air-bearing turntable board

An air-floating turntable and automatic adjustment technology, which is used in measurement devices, static/dynamic balance testing, and machine/structural component testing. The effect of high degree, low adjustment difficulty and high efficiency

Inactive Publication Date: 2010-12-01
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the existing problems of manually adjusting the center of mass of the three-axis air-floating turntable after the table is loaded and is difficult to adjust, with low efficiency and low accuracy, thereby providing an automatic adjustment of the three-axis air-floating turntable after the table is loaded. Center of mass apparatus and method

Method used

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  • Device and method for automatically adjusting center of mass after applying load to triaxial air-bearing turntable board
  • Device and method for automatically adjusting center of mass after applying load to triaxial air-bearing turntable board
  • Device and method for automatically adjusting center of mass after applying load to triaxial air-bearing turntable board

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specific Embodiment approach 1

[0019] Specific implementation mode 1. Combination figure 1 and figure 2 Describe this specific embodiment, 1. The device for automatically adjusting the center of mass after the three-axis air-floating turntable is loaded, which includes a three-axis air-floating turntable 1, and also includes an electronic level 2, a control module 3 and five identical quality adjustment devices 4 ;Taking the center of the three-axis air-floating turntable 1 table as the origin O, establish a three-dimensional rectangular coordinate system OXYZ, wherein the OX and OY axes are located in the table, and the horizontal direction is the OX axis, the vertical and horizontal direction is the OY axis, and the OZ axis is inverse The vertical direction is far away from the center of the earth; the five mass adjustment devices 4 are distributed on the X positive semi-axis, the X negative semi-axis, the Y negative semi-axis, the Y positive semi-axis and the Z positive semi-axis, that is to adjust the ...

specific Embodiment approach 2

[0022] Embodiment 2. The difference between this embodiment and the device for automatically adjusting the center of mass after the loading of the three-axis air-floating turntable table described in Embodiment 1 is that the control module 3 includes a single-chip microcomputer and a stepping motor driver, and the signal input of the single-chip microcomputer end is the signal input end of the control module 3, the signal output end of the single-chip microcomputer is connected with the signal input end of the stepper motor driver, and five drive signal ends of the stepper motor driver are the drive signal output ends of the control module 3.

[0023] In this embodiment, the operating power supply voltages of the single-chip microcomputer and the stepper motor driver in the control module 3 are both +5v, which are provided by the simulation system power supply on the three-axis air-floating turntable 1 table.

specific Embodiment approach 3

[0024] Specific embodiment three, the difference between this specific embodiment and the device for automatically adjusting the center of mass after the three-axis air-floating turntable table top loading described in specific embodiment two is that it also includes a RS232 bus, between the electronic level 2 and the single-chip microcomputer Connection via RS232 bus.

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Abstract

The invention relates to a device and method for automatically adjusting center of mass after applying load to a triaxial air-bearing turntable board. The invention solves the problems of high difficulty, low efficiency and low precision of the exiting method of manually adjusting the center of mass after applying load to the triaxial air-bearing turntable board. The device is characterized in that four mass adjusting devices are uniformly distributed on the edges of the air-bearing turntable board, with the center of the board as the origin; a mass adjusting device is fixed opposite to the vertical direction, wherein each mass adjusting support is provided with a guide rail; a stepping motor fixed at one end of the guide rail drives a mass block to slide along the guide rail; a signal output end of an electronic gradienter is connected with a signal input end of a control module; and a drive signal output end of the control module is connected with a drive signal input end of the stepping motor. The method comprises the steps of horizontal adjustment of the center of mass and vertical adjustment of the center of mass. The invention is suitable for adjusting the center of mass after applying load to the triaxial air-bearing turntable board.

Description

technical field [0001] The invention relates to a device and a method for adjusting the center of mass after the surface of a three-axis air-floating turntable is loaded. Background technique [0002] The semi-physical simulation of spacecraft control system is a unique simulation method in the process of developing spacecraft. It uses the air-bearing turntable as a motion simulator and combines the semi-physical simulation environment built by some real objects to carry out simulation verification of the control system scheme. The three-axis air-floating turntable uses compressed air to form an air film between the air-floating bearing and the bearing seat to make the table float in the air, and realize the approximate frictionless relative rotation between the air-floating turntable table and the table body, thereby simulating the spacecraft in outer space The mechanical environment with a small disturbance moment, and then use the rotation of the air-floating turntable on...

Claims

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Application Information

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IPC IPC(8): G01M1/12
Inventor 陈雪芹王峰曹喜滨耿云海董晓光叶东
Owner HARBIN INST OF TECH
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