Rocker clamping type protective bearing device

A bearing protection and clamping technology, applied in the field of rocker clamping bearing protection devices, can solve the problem that the bearing can no longer be protected, and achieve a good clamping effect.

Active Publication Date: 2020-07-17
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the automatic protection bearing device fails, the above-mentioned automatic protection bearing device can no longer play the role of protecting the bearing

Method used

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  • Rocker clamping type protective bearing device
  • Rocker clamping type protective bearing device
  • Rocker clamping type protective bearing device

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0035] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include...

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Abstract

The invention relates to the field of magnetic suspension bearing systems, in particular to a rocker clamping type protective bearing device. The rocker clamping type protective bearing device comprises a bearing arranged on a rotor; a rocker driving assembly which comprises a rocker, wherein the rocker is rotationally assembled at the axial outer side of the rotor and extends along the axis of the rotor, and two driving rings are in threaded fit with the rocker and are driven by the rocker to move face to face or back to back; a clamping assembly which comprises at least two clamping pieces,wherein the at least two clamping pieces are evenly distributed along the circumferential direction, the clamping end of each clamping piece extends to the periphery of the bearing, the other end of each clamping piece extends to the peripheries of the two driving rings and is hinged to the two driving rings, and when the two driving rings move back to back, all the clamping pieces can be driven to get close to and clamp the bearing; and when the two driving rings move oppositely, all the clamping pieces can be driven to be far away from the bearing. The rocker clamping type protective bearingdevice solves the technical problems that a gap cannot be manually eliminated through a bearing protection device in the prior art, and the safety is low, are solved.

Description

technical field [0001] The invention relates to the field of magnetic suspension bearing systems, in particular to a rocker clamping type protection bearing device. Background technique [0002] The magnetic suspension bearing system will lose the bearing capacity of the rotor in the event of power failure or overload, so it is necessary to install a protective bearing device to provide temporary support for the rotor that loses support, so as to prevent the high-speed rotating rotor from falling on the stator and ensure the entire magnetic suspension. System security. At present, the protective bearings used in the magnetic levitation system mostly adopt traditional rolling bearings, but in order to make the magnetic levitation system work normally, there is a fixed gap between the rotor and the inner ring of the rolling bearing. Therefore, when the rotor falls, since the gap between the rotor and the bearing cannot be eliminated, the bearing will be greatly impacted and v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K7/00H02K7/09H02K5/16
CPCH02K7/00H02K7/09H02K5/16H02K5/165H02K2213/06Y02E10/72
Inventor 俞成涛谢超祥叶霞史璠
Owner JIANGSU UNIV OF TECH
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