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Device and method for automatically adjusting loaded mass center of platform surface of single-shaft air floatation rotating platform

An air-floating turntable and automatic adjustment technology, which is applied to measuring devices, static/dynamic balance tests, and machine/structural component tests, can solve the problems of low adjustment efficiency and low accuracy of adjustment results, and achieve high adjustment efficiency , low cost, precise adjustment effect

Inactive Publication Date: 2010-08-25
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 problems of low adjustment efficiency and low accuracy of the adjustment result of the existing method of manually adjusting the center of mass of the uniaxial air flotation turntable table after the external load is applied, thereby providing a uniaxial air flotation turntable surface after the external load is applied. Device and method for automatically adjusting center of mass

Method used

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  • Device and method for automatically adjusting loaded mass center of platform surface of single-shaft air floatation rotating platform
  • Device and method for automatically adjusting loaded mass center of platform surface of single-shaft air floatation rotating platform
  • Device and method for automatically adjusting loaded mass center of platform surface of single-shaft air floatation rotating platform

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specific Embodiment approach 1

[0016] Specific Embodiments 1. This specific embodiment is described in conjunction with FIG. 1 and FIG. 2. The device for automatically adjusting the center of mass after the surface of a uniaxial air-floating turntable is loaded with an external load includes a uniaxial air-floating turntable 1, and it also includes an electronic level 2 and a control module. 3 and four identical quality adjustment devices 4, take the center of the single-axis air bearing turntable 1 as the origin, take the horizontal direction as the X axis, and take the vertical and horizontal direction as the Y axis to establish a plane Cartesian coordinate system XOY; the four The mass adjustment device 4 is distributed on the positive semi-axis of X, the negative semi-axis of Y, the negative semi-axis of X and the positive semi-axis of Y, and they are symmetrical in pairs, that is, the positive semi-axis mass adjustment device of X and the positive semi-axis of Y respectively. Negative half-axis quality ...

specific Embodiment approach 2

[0017] Embodiment 2. The difference between this embodiment and the device for automatically adjusting the center of mass of the uniaxial air-floating turntable table top described in Embodiment 1 is that the control module 3 includes a single-chip microcomputer and a stepping motor driver, and the single-chip microcomputer The signal input 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 the four drive signal ends of the stepper motor driver are the drive signal output ends of the control module 3.

[0018] 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 power supply of the simulation system on the table of the single-axis air-floating turntable 1 .

specific Embodiment approach 3

[0019] Specific embodiment three, the difference between this specific embodiment and the device for automatically adjusting the center of mass after the uniaxial air-floating turntable table top is added load described in specific embodiment two is that it also includes the RS232 bus, between the electronic level 2 and the single-chip microcomputer Connection via RS232 bus.

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Abstract

The invention discloses a device and a method for automatically adjusting a loaded mass center of a platform surface of a single-shaft air floatation rotating platform and relates to a device and a method for adjusting a loaded mass center of a platform surface of a single-shaft air floatation rotating platform. The invention solves the problems of low adjusting efficiency and low accuracy of adjusting results of the traditional method for manually adjusting the loaded mass center of the platform surface of the single-shaft air floatation rotating platform. Four mass adjusting devices of the device are uniformly distributed and fixed at the edge of the air floatation rotating platform; a guide rail is disposed on each mass adjusting bracket; stepping motors fixed at one end of the guide rail drive a mass block to slide along the guide rail; the signal output end of an electronic level meter is connected with the signal input end of a control module; and the drive signal output end of the control module is connected with the drive signal input end of each stepping motor. In the method, the electronic level meter acquires and inputs platform surface levelness to the control module; and the control module drives four stepping motors to adjust the loaded mass center on the platform surface to be superposed with the center of the platform surface. The invention is suitable for adjusting the loaded mass center of the platform surface of the single-shaft air floatation rotating platform.

Description

technical field [0001] The invention relates to a device and method for adjusting the center of mass after the surface of a uniaxial air-floating turntable is loaded with an external load. 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 single-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 approximately 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-...

Claims

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Application Information

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IPC IPC(8): G01M1/12
Inventor 陈雪芹王峰卢伟曹喜滨耿云海叶东马玉海唐盛勇董晓光杨正贤
Owner HARBIN INST OF TECH
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