wear bushing

A wear-resistant lining and bushing technology, which is applied in the field of mechanical parts, can solve problems such as uneven distribution, insufficient oil supply, and poor sealing performance, and achieve the effects of uniform distribution of oil passages, uniform oil supply, and good sealing performance

Active Publication Date: 2018-01-16
ENSIGN HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] The purpose of the present invention is to provide a wear-resistant bushing to solve the technical problems of uneven distribution, insufficient oil supply and poor sealing performance in the traditional oil passages in the prior art.

Method used

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Experimental program
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Embodiment 1

[0047] Such as figure 1 and figure 2 As shown, this embodiment provides a wear-resistant bushing, which includes a bushing main body 1, and the inner wall of the bushing main body 1 is provided with two helically extending lubricating oil passages 2 . The starting ends of the two lubricating oil passages 2 are evenly arranged along the circumference of the bushing body 1 , that is, the starting ends of the two lubricating oil passages are spaced 180 degrees apart. The pitches of the two lubricating oil passages 2 are respectively equal; the two lubricating oil passages 2 cross each other; the beginning and the end of the two lubricating oil passages 2 are respectively closed; the bushing body 1 is also provided with There is an annular oil storage passage 3, the rotation axis of the oil storage passage 3 is in line with the rotation axis of the bushing main body 1; the oil storage passage 3 communicates with the two lubricating oil passages 2 respectively.

[0048] The wear...

Embodiment 2

[0057] Such as image 3 As shown, this embodiment provides a wear-resistant bushing, which includes a bushing main body 1, and the inner wall of the bushing main body 1 is provided with three lubricating oil passages 2 extending in a helical shape. The starting ends of the three lubricating oil passages 2 are uniformly arranged along the circumference of the bushing, that is, the starting ends of the three lubricating oil passages are spaced at 180 degrees. The pitches of the three lubricating oil passages 2 are respectively equal; the three lubricating oil passages 2 cross each other; the beginning and the end of the three lubricating oil passages 2 are respectively closed; the bushing main body 1 is also provided with an annular reservoir An oil passage 3, the rotation axis of the oil storage passage 3 is in line with the rotation axis of the bushing; the oil storage passage 3 communicates with the three lubricating oil passages 2 respectively.

[0058] The wear-resistant b...

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Abstract

The invention provides a wear-resistant bush, which relates to the field of mechanical parts. The wear-resistant bush includes a bush main body, and the inner wall of the bush main body is provided with a plurality of lubricating oil passages extending in a spiral shape; a plurality of The starting ends of the lubricating oil passages are evenly arranged along the circumference of the bushing body; the pitches of the plurality of lubricating oil passages are respectively equal; the plurality of lubricating oil passages intersect each other; the plurality of lubricating oil passages The beginning and the end of the passage are closed respectively; the bushing body is also provided with an annular oil storage passage, and the rotation axis of the oil storage passage is collinear with the rotation axis of the bushing main body; the oil storage passage and the The plurality of lubricating oil passages are connected through respectively. The wear-resistant bush provided by the invention solves the technical problems of the traditional bush such as uneven distribution of oil passages, insufficient oil supply and poor sealing performance.

Description

technical field [0001] The invention relates to the field of mechanical parts, in particular to a wear-resistant bushing. Background technique [0002] In the prior art, articulated connections (pin-shaft connections) are often used in construction machinery, resulting in multiple friction pairs that require intermittent pressure lubrication. A friction pair is a friction system formed by friction between two objects in contact. The friction pair is the most important element of the face seal. The life of the seal and the quality of its work are all related to it. All other structural elements of the face seal serve the friction pair and their working quality also depends on how well the pair works to achieve optimal conditions. The name of the friction pair itself indicates that the work of the element is the relative sliding of two parts. Their friction produces wear, heat, fluid leakage and other phenomena. There are many classification methods for friction, and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C33/04F16N1/00
Inventor 李世勇闵庆晓刘海栋高亮刘德亮
Owner ENSIGN HEAVY IND
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