Magnetic gas double-suspension breaking-type cone bearing with porous media

A technology of porous media and tapered bearings, applied in the direction of bearings, bearing components, shafts and bearings, etc., can solve the problems of wide temperature range, low load capacity, small torque, etc., achieve high circumferential speed, long life, and reduce assembly effect of error

Inactive Publication Date: 2018-12-11
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its advantages are small torque, good for high-speed rotation, can be used in vacuum, wide range of applicable temperature, low noise, long life, no pollution caused by lubrication, etc.; disadvantages are high cost and relatively low carrying capacity

Method used

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  • Magnetic gas double-suspension breaking-type cone bearing with porous media
  • Magnetic gas double-suspension breaking-type cone bearing with porous media
  • Magnetic gas double-suspension breaking-type cone bearing with porous media

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Embodiment example

[0025] The present invention is described in detail below in conjunction with accompanying drawing: As a kind of preferred scheme, the diameter of the small cylinder section of rotor shaft 9 is 25mm, and the diameter of large cylinder section is 50mm, and length is 30mm, the first cone structure on the rotor shaft 9 Section 25 and the second cone structure section 19 have a taper of 30° and a length of 21.5 mm. The diameters of the first and second stators 4 and 3 are 142 mm and a thickness of 22 mm. Eight of the first stators 4 Air intake hole 36 diameters are 5mm, and the long side of air intake chamber projection is 16mm, and short side is 11mm, and height is 22mm, and width is 2mm, and through hole 33 diameters are 8mm, and cutting platform 11 is deep 2mm; The outer diameter of the large end of the magnetic sleeve 29,16 is 62mm, the inner diameter of the large end is 50mm, the taper is 30°, and the projected length is 23mm; the outer diameter of the first and second bearing...

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Abstract

The invention discloses a magnetic gas double-suspension breaking-type cone bearing with porous media. The cone bearing with an air static pressure supporting system and an electromagnetic suspensionsupporting system comprises first and second bearing end covers, a rotor shaft, first and second stators, first and second magnetic conductive sleeves, first and second enameled coils, an adjustment ring, first and second dust-proof seal rings, and the first and second porous media; according to the air static pressure supporting system, air enters from air inlet holes of the two stators, passes through air inlet cavities to act on the two magnetic conductive sleeves through the porous media, and forms tapered aeroelastic potential energy between the two stators and the two magnetic conductivesleeves, and accordingly, axial and radial support of the bearing is realized; the electromagnetic suspension supporting system is realized by the physical principle of electromagnetic attraction onthe two stators. The magnetic gas double-suspension breaking-type cone bearing has the advantages that the abrasion of the bearing can be remarkably reduced, the rotation speed can be increased, separate arrangement of auxiliary supports and circulating cooling systems is not needed, and the adjustment capability and the precision of a bearing system are improved.

Description

technical field [0001] The invention relates to the design field of sliding bearings, in particular to a magnetic double-suspension support segmented taper bearing with small friction, high rotational speed and high control precision. Background technique [0002] Aerostatic bearings use air to provide static pressure to support the rotating shaft. They have the advantages of low friction, low power, high speed, and high cleanliness, so they have been widely valued and widely used. However, aerostatic bearings are not suitable for high-power and heavy-duty applications. The electromagnetic suspension bearing is a bearing that uses magnetic attraction and repulsion to support the rotation, also called magnetic suspension bearing. Its advantages are small torque, good for high-speed rotation, can be used in vacuum, wide applicable temperature range, low noise, long life, no pollution caused by lubrication, etc.; disadvantages are high cost and relatively low carrying capacity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C32/06F16C32/04F16C37/00
CPCF16C32/0614F16C32/0459F16C32/0474F16C32/0662F16C32/0696F16C37/002F16C37/005
Inventor 赵建华张伟王进吴晓晨张斌陈涛高殿荣
Owner YANSHAN UNIV
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