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Bearing protection device capable of adjusting bearing outer ring gap

A technology for bearing outer rings and bearing protection, applied to bearings, magnetic bearings, shafts and bearings, etc., can solve the problem that the protection device cannot automatically protect the rotor, and achieve a good protection effect

Active Publication Date: 2019-04-19
JIANGSU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problem that the protection device in the prior art cannot automatically protect the rotor in the event of a power failure, the present invention proposes a bearing protection device that can adjust the clearance of the outer ring of the bearing, which solves the above technical problems

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  • Bearing protection device capable of adjusting bearing outer ring gap
  • Bearing protection device capable of adjusting bearing outer ring gap
  • Bearing protection device capable of adjusting bearing outer ring gap

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Embodiment Construction

[0026] The content of the present invention will be further described below in conjunction with the accompanying drawings.

[0027] Such as Figure 1-5 As shown, this embodiment provides a bearing protection device that can adjust the clearance of the inner ring of the bearing, including a rotor 1, a support assembly 2, a drive assembly 3 and a bearing seat 4. The end of the rotor 1 is provided with a first bearing 11, and the bearing The seat 4 is arranged at the end of the rotor 1, specifically, the bearing seat 4 is sleeved on the outer circumference of the end of the rotor 1 with clearance, and the bearing seat 4 is covered outside the first bearing 11, preferably, the first bearing 11 is a rolling bearing; The assembly 2 is arranged in the bearing seat 4 , and the supporting assembly 2 is sleeved on the outer periphery of the first bearing 11 with clearance; The gap between the inner peripheral surface of the drive assembly 3 and the rotor 1 is smaller than the gap betwe...

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Abstract

The invention relates to a magnetic bearing system, in particular to a bearing protection device capable of adjusting bearing outer ring gap. The system comprises a rotor, wherein the rotor is provided with a first bearing, the outer circumference of the first bearing is sleeved with a supporting assembly gap, and the supporting assembly gap is provided with a supporting seat and a supporter mounted in the supporting seat; the supporter is arranged at the position close to the first bearing and can do radial motion relative to the supporting seat and an opening is arranged between the supporter and the supporting seat; a driving assembly includes a driving seat and a driving member movably arranged in the driving seat, wherein the outer circumference of the rotor is sleeved with a gap of the driving seat, and the gap between the driving seat and the rotor is smaller than the gap between the supporting assembly and the first bearing; the rotor drives the driving seat to rotate so as todrive the driving member to rotate; and when the driving member moves to the position of the opening, the driving member is inserted into the opening by the action of an elastic member to push the supporter to be close to and touch the first bearing. The problem that a protection device in the prior art is unable to automatically protect the rotor in case of power down is solved.

Description

technical field [0001] The invention relates to a magnetic suspension bearing system, in particular to a bearing protection device capable of adjusting the clearance of the outer ring of the bearing. Background technique [0002] When the magnetic suspension bearing system fails, the rotor will lose its support and fall to the stator, and the high-speed rotation will cause damage to the system. Therefore, a protective device that can provide emergency support for the rotor in emergency situations such as power failure is needed, but at present Traditional protection devices simply use rolling bearings. In order for the rotor to work normally, there is a gap between the rotor and the rolling bearings, so that the rotor will cause great shock and vibration to the rolling bearings, causing damage to the bearings. Therefore, the new protection device that can eliminate the bearing gap has played a vital role in the development of magnetic suspension bearings, but the new protect...

Claims

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Application Information

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IPC IPC(8): F16C32/04
CPCF16C32/044
Inventor 俞成涛宋威周金宇曹清林邱睿叶霞孙月梅丁凯李秀莲
Owner JIANGSU UNIVERSITY OF TECHNOLOGY
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