Magnetic bearing protector

A technology for magnetic bearings and protectors, which is applied to bearing components, shafts and bearings, and bearing cooling, which can solve problems such as short life, easy aging, applicable temperature, and low line speed, and achieve good sealing and prolong service life. Effect

Pending Publication Date: 2020-12-25
江苏博利奥流体机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of rubber oil seal is that it is easy to age, wear shaft, apply temperature, low line speed, and short life

Method used

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  • Magnetic bearing protector

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Embodiment Construction

[0009] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0010] Such as figure 1 As shown, the magnetic bearing protector described above includes a static ring housing 2 arranged between the equipment housing and the shaft 1, which is fitted on the shaft 1 with a certain radial gap and connected and fixed with the equipment housing. The first sealing ring 14 used to seal the gap between the static ring housing 2 and the equipment housing is arranged on the outer peripheral surface of the static ring housing 2. The end of the static ring housing 2 close to the inside of the equipment is the inner end, and the static ring housing 2 is far away from the equipment. The inner end is the outer end, and the outer end of the static ring shell 2 is open. In the opening of the static ring shell 2, a static ring i...

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Abstract

The invention discloses a magnetic bearing protector. The magnetic bearing protector comprises a static ring shell, wherein a first sealing ring is arranged on the peripheral surface of the static ring shell; the outer side end of the static ring shell is open; a static ring embedding seat is arranged in the opening of the static ring shell; the static ring shell and the static ring embedding seatare connected and fixed through a second sealing ring; the static ring shell, the static ring embedding seat and a shaft form an annular chamber together; a circle of static ring embedding ring extending into the annular chamber is arranged at the inner side end of the static ring embedding seat; a plurality of magnets which are circumferentially arranged are further arranged at the inner side end of the static ring embedding seat; a rotating ring is arranged in the annular chamber; a third sealing ring is arranged between the rotating ring and the shaft; the rotating ring can be always rotatably attached to the static ring embedding ring in a sealing manner under the action of magnetic attraction of the magnets in the static ring embedding seat; and a cooling oil return flow channel usedfor communicating the annular chamber with the interior of equipment is arranged at the inner side end of the static ring shell. The magnetic bearing protector has the advantages of being good in sealing performance and long in service life.

Description

technical field [0001] The invention relates to the technical field of bearing protection equipment, in particular to a magnetic bearing protector. Background technique [0002] In mechanical equipment such as gearboxes, pumps, fans, etc., the bearings in the bearing housing need to work under lubricated conditions. In most cases, the damage of the bearing is caused by the leakage of lubricating oil and the entry of external pollutants. Currently known bearing protection devices in the art include oil felts, rubber oil seals, mechanical oil seals and the like. The felt seal is unreliable and leaks. The disadvantage of the rubber oil seal is that it is easy to age, wear the shaft, apply temperature, low line speed, and short life. Contents of the invention [0003] The purpose of the present invention is to provide a magnetic bearing protector with good sealing performance and long service life. [0004] In order to achieve the above object, the present invention adopts...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C37/00F16J15/16F16J15/06
CPCF16C37/007F16J15/06F16J15/16
Inventor 童慧赵佳佳童小明刘宏伟李海阳童汉全
Owner 江苏博利奥流体机械有限公司
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