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Magnetic suspension rotor experiment table and magnetic suspension rotor test analysis method

A magnetic levitation rotor and test bench technology, applied in the field of test benches, can solve problems such as changing the inherent characteristics of the rotor

Pending Publication Date: 2018-08-21
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, most of the test benches are suitable for elastic support and simulate the vibration of the rotor in the free mode, and cannot change the inherent characteristics of the rotor by changing the influencing factors, reflecting the change law of the inherent characteristics of the rotor

Method used

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Embodiment Construction

[0021] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0022] A magnetic levitation rotor test bench includes a pedestal 15, a flexible magnetic levitation rotor 13, a drive unit, a magnetic levitation bearing unit, a tie mechanism and a measurement unit. Wherein the pedestal 15 is provided with a T-shaped slot, the drive unit is connected to the flexible magnetic levitation rotor 13; the drive unit includes a motor 1, the motor 1 is arranged on the pedestal 15 through the motor base 2, and the main shaft of the motor 1 passes through the magnetic coupling 3 and the flexible magnetic levitation rotor 13 Connection; the magnetic suspension bearing unit includes a front magnetic suspension bearing 6, a magnetic suspension ...

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PUM

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Abstract

The invention provides a magnetic suspension rotor experiment table and a magnetic suspension rotor test analysis method which is simple in structure and can analyze the inherent characteristic factors and the variation law of a rotor system by applying axial force. A magnetic suspension rotor experiment table comprises a pedestal, a flexible magnetic suspension rotor, a driving unit, a magnetic suspension bearing unit, a pull-up mechanism and a measuring unit, wherein the driving unit is connected with the flexible magnetic suspension rotor; the magnetic suspension bearing unit comprises a front magnetic suspension bearing, a magnetic suspension axial bearing and a rear magnetic suspension bearing; the measuring unit comprises an eddy current displacement sensor arranged on the flexible magnetic suspension rotor; a tensioning and compressing structure comprises a hydraulic cylinder and a hydraulic system connected with the hydraulic cylinder, and the piston rod of the hydraulic cylinder is connected with the flexible magnetic suspension rotor through an axial thrust bearing.

Description

technical field [0001] The invention relates to a test bench, in particular to a magnetic levitation rotor test bench and a method for conducting a magnetic levitation rotor test analysis. Background technique [0002] The magnetic levitation rotor test bench is the experimental equipment for various vibration experiments of the rotor; it can simulate the vibration of various rotating machinery, and collect the system vibration (speed, amplitude, phase, displacement) through the data acquisition system and the rotor system. Measurement and Analysis. [0003] In the prior art, most of the test benches are suitable for elastic support and simulate the vibration of the rotor in a free mode, and cannot change the inherent characteristics of the rotor by changing the influencing factors, reflecting the changing law of the inherent characteristics of the rotor. Contents of the invention [0004] The invention provides a magnetic levitation rotor test bench with simple structure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M7/02
CPCG01M7/022
Inventor 肖林京董梦诗孙传余常龙
Owner SHANDONG UNIV OF SCI & TECH
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