Conical surface clamping bearing protection device
A bearing protection and clamping technology, which is applied in the field of cone surface clamping protection bearing devices, can solve the problems of slow response speed and poor protection effect
Inactive Publication Date: 2020-08-07
JIANGSU UNIV OF TECH
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Problems solved by technology
[0004] In order to solve the technical problems of slow response speed and poor protection effect of the protection bearing device in the prior art, the present invention proposes a tapered surface clamping protection bearing device, which solves the above technical problems
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[0025] 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.
[0026] 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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The invention relates to the field of magnetic bearing systems, in particular to a conical surface clamping bearing protection device. The conical surface clamping bearing protection device comprisesthe outer surface of a double-conical-surface and two groups of clamping assemblies, wherein the outer surface of the double-conical-surface is arranged on the periphery of a rotor, and the outer surface of the double-conical-surface is provided with two symmetric outer conical surfaces; the two groups of clamping assemblies are symmetrically arranged on the two sides of the outer surface of the double-conical-surface, the clamping assemblies comprise transmission pieces and clamping pieces, the transmission pieces are assembled by threads, the inner circumferences of the transmission pieces are in clearance fit with the periphery of the rotor, the clamping pieces are rotatably assembled at the ends, close to the outer surface of the double-conical-surface, of the transmission pieces, andthe inner circumferences of the clamping pieces are the conical inner circumferences matched with the adjacent outer conical surfaces; and when the rotor loses stability and is in touch with the transmission pieces, the two transmission pieces are driven by the rotor to rotate and axially move facing the outer surface of the double-conical-surface, and the inner circumferences of the two clampingpieces are close to and clamp the outer surface of the double-conical-surface. The technical problems of slow reaction speed and poor protective effect of a bearing protection device in the prior artare solved.
Description
technical field [0001] The invention relates to the field of magnetic suspension bearing systems, in particular to a tapered surface clamping protection bearing device. Background technique [0002] The magnetic suspension bearing system will lose the bearing capacity of the rotor in the event of an accidental power failure, so it is necessary to install a protective bearing device to provide temporary support for the rotor to prevent the high-speed rotating rotor from falling on the stator and cause damage to the stator. The safety of the magnetic levitation system. At present, the protective bearings used in the magnetic suspension system mostly use complex external mechanical mechanisms. Due to the complexity of the mechanism and the uncertainty of the accident, when the magnetic suspension bearing system is unexpectedly powered off, there will be phenomena such as the protection mechanism being stuck, and the bearing will be affected by the rotor. Large shocks and vibra...
Claims
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IPC IPC(8): F16C32/04
CPCF16C32/0442
Inventor 俞成涛谢超祥陈宇王秀英叶霞
Owner JIANGSU UNIV OF TECH