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Steel jacket

A technology of steel sleeves and sleeves, which is applied in the field of steel sleeves in heavy construction machinery, can solve the problems of short service life, waste, waste of lubricating oil, etc., and achieve the effect of reducing replacement costs, waste, and use costs

Inactive Publication Date: 2013-01-09
SUZHOU DONGLI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Lubricating oil is usually added between the shaft and the steel sleeve to maintain the lubrication between the two. The lubricating oil is often adsorbed on the inner ring of the steel sleeve. Since the steel sleeve is a vulnerable part, its service life is short and it needs to be replaced frequently. When replacing, the entire steel sleeve must be replaced, and the lubricating oil adsorbed on the inner ring of the steel sleeve is wasted with disassembly, causing unnecessary waste and increasing the use cost of mechanical equipment

Method used

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Experimental program
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Embodiment Construction

[0017] The present invention is described below in conjunction with accompanying drawing.

[0018] as attached Figure 1-3 The shown steel sleeve of the present invention includes a steel sleeve body 1, and a first retaining ring 2 is fixed at one end of the steel sleeve body 1; the inner surface of the first retaining ring 2 has an annular array with at least Two first bumps 3; the other end of the steel sleeve body 1 is equipped with a second stop ring 4; the inner surface of the second stop ring 4 has at least two second bumps 5 in an annular array; the The steel sleeve body 1 is also equipped with an inner sleeve 6; the inner sleeve 6 is located between the first bump 3 and the second bump 5; the outer diameter of the inner sleeve 6 is the same as the inner diameter of the steel sleeve body 1; The first stop ring 2 is the same size as the second stop ring 4; the inner diameter of the first stop ring 2 and the second stop ring 4 is the same as the inner diameter of the inn...

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PUM

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Abstract

The invention discloses a steel jacket. The steel jacket comprises a steel jacket body, wherein a first baffle ring is fixed on one end of the steel jacket body, at least two first bumps are annularly arrayed on the inner surface of the first baffle ring, at least two second bumps are annularly arrayed on the inner surface of a second baffle ring, an inner sleeve is further arranged in the steel jacket body and located between the first bumps and the second bumps, and the outer diameter of the inner sleeve is same as the inner diameter of the steel jacket body. According to the steel jacket body provided by the invention, the replacement cost is lowered, the waste of lubricating oil caused by the replacement of the steel jacket is reduced, and the use cost of a mechanical device is lowered.

Description

technical field [0001] The invention relates to a steel sleeve, in particular to a steel sleeve used in heavy engineering machinery. Background technique [0002] In some heavy construction machinery, such as excavators, bulldozers, etc., in order to prevent the wear of the shaft hole of the part caused by the wear between the part and the shaft, a steel sleeve is usually installed between the shaft and the part. Since the shaft and the steel sleeve are in relative motion, the lubrication between the two is extremely important. Lubricating oil is usually added between the shaft and the steel sleeve to maintain the lubrication between the two. The lubricating oil is often adsorbed on the inner ring of the steel sleeve. Since the steel sleeve is a vulnerable part, its service life is short and it needs to be replaced frequently. When replacing, the entire steel sleeve must be replaced, and the lubricating oil adsorbed on the inner ring of the steel sleeve is wasted with disas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C33/10
Inventor 叶晓峰
Owner SUZHOU DONGLI MACHINERY
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