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Automatic force application device and method for gap measurement of air-floating rotor gyroscope dynamic pressure motor

A technology of dynamic pressure motor and force application device, which is applied in the field of precise detection of aerospace inertial devices, can solve the problems of being unsuitable for rapid batch measurement and low degree of automation, and achieve the effects of avoiding errors, improving measurement efficiency, and realizing closed-loop control

Active Publication Date: 2019-04-09
DALIAN UNIV OF TECH
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  • Application Information

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Problems solved by technology

In addition, the force application process is done manually with a low degree of automation and is not suitable for rapid batch measurement

Method used

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  • Automatic force application device and method for gap measurement of air-floating rotor gyroscope dynamic pressure motor
  • Automatic force application device and method for gap measurement of air-floating rotor gyroscope dynamic pressure motor
  • Automatic force application device and method for gap measurement of air-floating rotor gyroscope dynamic pressure motor

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Embodiment Construction

[0032] An automatic force application device for gap measurement of air-floating rotor gyroscope dynamic pressure motor, including a three-axis precision displacement platform, a control circuit, a force sensor mounting plate 12, a dynamic pressure motor 8, a left fixing device, and a right fixing device , Flat plate 1, middle clamping device.

[0033]The three-axis precision displacement platform includes a Z-axis precision displacement platform 2, a Y-axis precision displacement platform 3 and an X-axis precision displacement platform 13; the Z-axis precision displacement platform 2 is fixedly installed on the flat plate 1, and the X-axis precision displacement platform 13 is fixed Installed on the plate 1 and connected above the end of the Z-axis precision displacement platform 2; one end of the Y-axis precision displacement platform 3 is connected to the end of the X-axis precision displacement platform 13 and fixed on the top of the X-axis precision displacement platform 1...

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Abstract

The invention proposes an automatic force exerting device and a method for an air floatation rotor gyroscope dynamic pressure motor gap measurement, which belong to the spaceflight inertial device precision technology field. The automatic force exerting device comprises three-axis precise displacement platforms, a control loop circuit, a force sensor installation plate, a dynamic pressure motor, a left side fixing plate, a right side fixing plate, a horizontal plate and a middle clamping device. The three-axis precise displacement platforms are mounted on the horizontal plate. The three precise displacement platforms are vertical to each other in the moving direction to form a Descartes rectangular coordinate system. The fixing devices at two sides are used to have the middle clamping device fixed, and the middle clamping device realizes the tight clamping of the dynamic pressure motor via the closed finger clamping body. The automatic force exerting device of the invention is applied to the method for measuring the air floatation rotor gyroscope dynamic pressure motor gap, and comprises two fixed ends and a tightly clamped middle to realize automatic circle adjustment and automatic force exertion. With the invention, it is possible to realize the continuous controlling and loading of force and to realize the automatic circle adjustment to a tested component based on the device of the invention.

Description

technical field [0001] The invention relates to the technical field of precise detection of aerospace inertial devices, in particular to an automatic force application and centering technology for gap measurement of an air-floating rotor gyroscope dynamic pressure motor. Background technique [0002] The structure of the dynamic pressure air bearing gyro motor is different from the general low-power drive motor and the frame gyro motor. There is a small gap between the inner ball cavity of the flywheel-shaped rotor and the ball of the fixed shell, which is a typical deformable device. When the rotor moves at high speed driven by the motor, dynamic pressure (suspension force) will be generated in the gap, which will make the rotor out of contact with the ball. The dynamic pressure generated in the appropriate gap will make the rotor stable in space under the action of its own weight or acceleration overload. The actual size of the gap should be determined according to the m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/16G05D15/01
CPCG01B21/16G05D15/01
Inventor 任同群王晓东苏义兵秦波崔砚徐向东张志勇
Owner DALIAN UNIV OF TECH
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