A magnetic fluid double suspension bearing system

A support bearing and double support technology, which is applied to bearings, shafts and bearings, mechanical equipment, etc., can solve the problems of low load capacity, small torque, wide temperature range, etc., to increase load capacity and stiffness, relieve design restrictions, improve Effects of Adjustability and Accuracy

Active Publication Date: 2019-09-10
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its advantages are small torque, good for high-speed rotation, can be used in vacuum, suitable for wide temperature range, 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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  • A magnetic fluid double suspension bearing system
  • A magnetic fluid double suspension bearing system
  • A magnetic fluid double suspension bearing system

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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,

[0026] A magnetic fluid double suspension bearing system of the present invention, such as figure 1 As shown, a new type of magnetic fluid double support bearing system combining hydrostatic bearing and magnetic suspension bearing is adopted, which mainly includes hydrostatic bearing system and electromagnetic suspension bearing system.

[0027] Such as figure 1 and 2 As shown, the magnetic fluid double suspension bearing system includes a first end cover 11, a first sealing frame 13, a first bushing 2, a shaft 1, a thrust plate 41, a gasket 5, a second end cover 60, a second Sealing frame 61 and second shaft sleeve 6;

[0028] The first bushing 2, such as Figure 2-5 As shown, eight pairs of evenly distributed magnetic poles are arranged along the circumference at its inner end, each pair of magnetic poles is arranged radially, and the thick...

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Abstract

The invention discloses a magnetic and hydrodynamic double suspension back-up bearing system. The system comprises a hydrostatic pressure supporting system and an electromagnetic suspension supportingsystem. The magnetic and hydrodynamic double suspension back-up bearing system comprises a first end cover, a first sealing framework, a first shaft sleeve, a shaft, a thrust collar, a gasket, a second end cover, a second sealing framework and a second shaft sleeve. The assembling relationship of the bearing system is that the thrust collar and the shaft are of an integrated structure, and the thrust collar is located in the middle of the shaft; the first shaft sleeve and the second shaft sleeve are mounted on the left and right sides of the gasket correspondingly; on the left side, a third O-shaped ring is arranged in a third O-shaped ring groove formed between end surfaces, making contact with each other, of the first shaft sleeve and the gasket, and the first sealing framework is arranged in a first sealing framework groove of the first shaft sleeve and sealed through the first end cover; on the right side, the second shaft sleeve is assembled in the mode that the second shaft sleeve is symmetric with and identical to the first shaft sleeve; and the first shaft sleeve, the gasket and the second shaft sleeve are fastened through bolts and nuts via cut-through assembling holes.

Description

technical field [0001] The invention relates to the design field of sliding bearings, in particular to a heavy-load, high-speed, high-rigidity, and high-control-precision magnetic-fluid double-suspension support bearing system. Background technique [0002] Ordinary axial bearings are usually used in pairs, and during operation, due to the action of inertial force, there will be sliding between the steel ball and the raceway, which will increase the temperature and cause the working surface to be easily damaged. It is only suitable for parts that bear axial load on one side and have low speed. Hydrostatic bearings have the advantages of good rigidity and good vibration resistance, so they have been widely valued and widely used. With the development of the global industry, but in the occasion of high power, heavy load and high speed operation, the friction power of the hydrostatic bearing is very large, and it is easy to cause large thermal deformation of the bearing due to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C32/04F16C32/06
Inventor 赵建华吴晓晨王进张国基曹俊波王哲赵计胜
Owner YANSHAN UNIV
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