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Air-assisted device for magnetic bearing

An air-assisted, magnetic bearing technology, applied in the field of magnetic bearings, can solve problems such as poor wear and tear

Pending Publication Date: 2021-06-22
王运华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the technical problem that if the magnetic force disappears during the rotation of the magnetic bearing, it will cause contact with the bearing, and because there is only one point of contact, it will cause it to be unsmooth and increase wear when it continues to rotate.

Method used

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  • Air-assisted device for magnetic bearing
  • Air-assisted device for magnetic bearing
  • Air-assisted device for magnetic bearing

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Embodiment Construction

[0028] as attached figure 1 to attach Figure 6 Shown:

[0029] The present invention provides a magnetic bearing air assist device, which includes a main body 1 and a rotating ring 2, and the middle part of the main body 1 is fixedly connected with the rotating ring 2;

[0030] The main body 1 includes an electromagnetic ring 101, and the electromagnetic ring 101 is fixedly connected to the inner periphery of the main body 1;

[0031] The rotating ring 2 includes a magnetic groove 201, an air flow groove 202, a guide plate 203, a flow groove 204, a booster groove 205 and a displacement groove 206. The opening of the magnetic groove 201 is arranged on the surrounding surface of the rotating ring 2, and the opening of the air flow groove 202 is arranged on the rotating ring. 2 Around the inner wall of the middle part, the guide plate 203 is embedded in the middle side of the air flow groove 202, the flow groove 204 is opened inside the rotating ring 2, the pressurization groo...

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PUM

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Abstract

The invention provides an air-assisted device for a magnetic bearing. The air-assisted device for the magnetic bearing comprises a main body and a rotating ring, wherein the rotating ring is fixedly connected to the middle of the main body. The main body comprises an electromagnetic ring. The rotating ring comprises a magnetic groove, airflow grooves, a guide plate, a flowing groove, a pressurizing groove and a displacement groove, wherein the guide plate comprises an airflow plate, a limiting block, exhaust grooves, an abutting block and a displacement groove mark, and the displacement groove comprises a deflection groove, a limiting plate and a stress groove. The air-assisted device for the magnetic bearing is provided with the airflow grooves, air can be guided into the interior through the airflow grooves during rotation, the pressurized air flow is sprayed out after magnetic force disappears by pressurizing the air flow, so that transient suspension is kept through impact force generated by spraying of the air flow, and in this way, after the magnetic force of the magnetic bearing disappears, the abrasion caused by the fact that the magnetic bearing continues rotating due to residual force of rotation in the state of being in contact with the shaft surface is avoided.

Description

technical field [0001] The invention relates to the technical field of magnetic bearings, in particular to an air auxiliary device for magnetic bearings. Background technique [0002] Magnetic bearing is a new type of high performance bearing. Compared with traditional ball bearings, sliding bearings and oil film bearings, magnetic bearings have no mechanical contact, and the rotor can reach high operating speeds. It has small mechanical wear, low energy consumption, low noise, long life, no lubrication, and no oil pollution. And other advantages, especially suitable for high-speed, vacuum, ultra-clean and other special environments. When the magnetic bearing is working, it is easy to cause its magnetic force to disappear due to external factors, so that the magnetic bearing will directly contact the bearing, and because the diameter of the magnetic bearing is larger than the shaft, it is easy to continue to rotate when contact occurs. Increased wear due to poor rotation o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C32/04F16C17/02F16C33/04
CPCF16C32/044F16C32/0442F16C17/02F16C33/04
Inventor 王运华
Owner 王运华