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Oil Film Bearing Bushing Babbitt Repair Tool and Method

A babbitt alloy and oil film bearing technology, applied in the field of rolls, can solve the problem that the fatigue layer is difficult to repair quickly, and achieve the effect of realizing rapid repair, avoiding cutting blind spots and improving production efficiency

Active Publication Date: 2020-10-09
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the technical problem in the prior art that it is difficult to quickly repair the fatigue layer on the structure of the Babbitt metal of the oil film bearing bush by providing a repair tool and method for the oil film bearing bush, and realizes the oil film bearing bush Rapid repair of the fatigue layer on the babbitt alloy structure improves production efficiency

Method used

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  • Oil Film Bearing Bushing Babbitt Repair Tool and Method
  • Oil Film Bearing Bushing Babbitt Repair Tool and Method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] see figure 1 , This embodiment provides a babbitt repair tool for oil film bearing bushings, the tool includes a knife body, and the outer end of the knife body is provided with a knife back 4, a straight knife edge 3, a first edge and a second edge.

[0027] The knife back 4 is set opposite to the straight blade 3; the first side is set opposite to the second side. One end of the first side part joins with the knife back 4, and the other end of the first side part joins with the straight blade 3, and the first side part joins with the straight blade 3 to form a knife point 1, and the angle formed by the two sides of the knife point 1 is Acute angles (such as 15°, 60° or 85°). The foreign matter inlaid with the Babbitt alloy will cause scratches on the mirror surface of the oil film bearing bush, and cause a small area of ​​Babbitt alloy to peel off. The foreign matter can be removed with the tip of the knife 1. One end of the second edge is connected to the back of t...

Embodiment 2

[0029] see figure 1 and figure 2 , the embodiment of the present invention provides a method for repairing an oil film bearing bush babbitt, the method comprising:

[0030] Step S10 , controlling the included angle between the tool body of the oil film bearing bush babbitt alloy repair tool and the oil film bearing bush babbitt alloy cylindrical surface to be 25-85° (such as 25°, 50° or 85°).

[0031] Step S20, using the straight blade 3 of the oil film bearing bush babbitt alloy repair tool to cut the surface of the oil film bearing bush babbitt metal cylinder curved surface.

[0032] Step S30, controlling the movement of the straight blade 3 and the Babbitt metal cylindrical surface of the oil film bearing bush to form a concentric surface or a coaxial helical surface; wherein, the coaxial helical surface movement includes forward coaxial helical surface movement or anti-coaxial helical surface movement.

[0033] Step S40 , controlling that the motion trajectories of diff...

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Abstract

The invention relates to an oil film bearing lining babbitt metal repairing tool. The oil film bearing lining babbitt metal repairing tool comprises a tool body. A tool back, a straight cutting edge,a first edge part and a second edge part are arranged at the outer end of the tool body. The tool back is opposite to the straight cutting edge. The first edge part is opposite to the second edge part. One end of the first edge part is connected with the tool back, and the other end of the first edge part is connected with the straight cutting edge. One end of the second edge part is connected with the tool back, and the other end of the second edge part is connected with the straight cutting edge. The invention further relates an oil film bearing lining babbitt metal repairing method. The included angle between the tool body and an oil film bearing lining babbitt metal cylinder hook face is controlled to range from 25 degrees to 85 degrees. The straight cutting edge is utilized for cutting the surface of the oil film bearing lining babbitt metal cylinder hook face. The straight cutting edge and the oil film bearing lining babbitt metal cylinder hook face are controlled to move in theform of a concentric hook face or a coaxial spiral hook face. According to the oil film bearing lining babbitt metal repairing tool and method, a fatigue layer on an oil film bearing lining babbitt metal structure can be rapidly repaired.

Description

technical field [0001] The invention relates to the field of rolls, in particular to a babbitt repair tool and method for an oil film bearing bush. Background technique [0002] The inner surface of the roller oil film bearing bushing is babbitt alloy structure. The structure characteristic of normal babbitt alloy is that hard phase particles are evenly distributed on the soft phase matrix. The soft phase matrix makes babbitt alloy have very good embedding and compliance After running-in, the soft matrix is ​​concave, and the hard point is convex, so that a small gap is formed between the sliding surfaces, which becomes the oil storage space and the lubricating oil channel, which is beneficial to reduce friction; the convex hard point It plays a supporting role and is conducive to carrying. However, in the actual use of the oil film bearing bush bearing, due to various reasons, the phenomenon of excessive concentration of Babbitt alloy hard points in the pressure zone often...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P6/00
CPCB23P6/00
Inventor 王洪鹏王文忠毕国喜张建杰王志强路鹏高慧敏黄爽苏长水
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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