Split air foil bearing easy to disassemble and air compressor with same

A split-type foil bearing technology, which is applied in the field of easy-to-remove split-type air foil bearings and air compressors with the bearings, to achieve the effects of shortening the maintenance cycle, reducing maintenance costs, and low cost

Inactive Publication Date: 2015-09-16
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The supporting bearings in traditional air compressors are integral, so in the maintenance process of traditional air compressors, generally only need to disassemble the machine to replace new bearings, but it is inevitable to

Method used

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  • Split air foil bearing easy to disassemble and air compressor with same
  • Split air foil bearing easy to disassemble and air compressor with same
  • Split air foil bearing easy to disassemble and air compressor with same

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[0017] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments. However, it can be understood that the following specific embodiments are only preferred technical solutions of the present invention, and should not be understood as limiting the present invention.

[0018] Such as figure 1 As shown, an air compressor with an easily disassembled split air foil bearing mainly includes a turbine 1, a nut 2, a rotor sleeve 3, a radial bearing 4, a thrust bearing 5, a turbine end bearing body 6, and a motor The base 7, the impeller end bearing body 8 and the rotor shaft 9. The radial bearing 4 includes a turbine end radial bearing and an impeller end radial bearing, such as figure 2 As shown, the turbine end volute is connected to the left end of the turbine end bearing body 6 by bolts, the right side of the turbine end bearing body 6 is screwed to axially fix the thrust bearing 5 to its inner wall, and the left end of th...

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Abstract

The invention discloses a split air foil bearing easy to disassemble and an air compressor with the same. The split air foil bearing mainly comprises a radial bearing and a thrust bearing. The radial bearing comprises a bearing sleeve, radial bump foil and radial top foil, wherein the bearing sleeve, the radial bump foil and the radial top foil are coaxially arranged in sequence from outside to inside. The thrust bearing comprises a thrust disc, thrust bump foil and thrust top foil, wherein the thrust disc, the thrust bump foil and the thrust top foil are arranged in sequence from left to right. The air compressor mainly comprises a turbine, a nut, a rotor sleeve, the radial bearing, the thrust bearing, a turbine end bearing body, a motor base, an impeller end bearing body and a rotor shaft. According to the air compressor, by adopting the split air foil bearing easy to disassemble for supporting, the problem that frequent disassembly of a traditional air compressor influences dynamic balance of a rotor is well solved, the maintenance cycle can be shortened, and the maintenance cost can be lowered; by adopting the air dynamic pressure bearing for supporting, compared with the traditional air compressor, no hydraulic system is needed, the system is simpler, the cost is lower, and higher stability is achieved in high-speed operation.

Description

technical field [0001] The invention relates to the installation of an air bearing in an air compressor, in particular to an easily detachable split air foil bearing and an air compressor with the bearing. Background technique [0002] Gas bearings have the advantages of high speed, high precision, high temperature resistance, small friction loss, and long life. After rapid development in recent decades, gas bearings have been widely used in high-speed bearings, high-precision bearings and other fields. At present, air compressors mainly use floating bearings. Due to the need for lubricating oil, this kind of bearings limits the working speed and temperature of the air compressor, increases the size and complexity of the system, and also has serious hidden dangers of oil leakage. The air foil bearing is a self-supporting flexible hydrodynamic bearing, which uses the surrounding air (or other gases) as the working medium and lubricant. The use of air foil bearings to replace...

Claims

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Application Information

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IPC IPC(8): F04D29/056F04D25/08
Inventor 冯凯余睿程苗苗
Owner HUNAN UNIV
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