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Environment protection elastic metallic plastic bush

An elastic metal, environmentally friendly technology, applied in the direction of bearing components, shafts and bearings, mechanical equipment, etc., can solve the problems of uneven contact pressure, high cost, complex product structure, etc., to reduce costs, wear resistance and mechanical properties. The effect of improved performance and simple structure

Inactive Publication Date: 2006-09-20
DALIAN SANHUAN COMPOSITE MATERIAL TECH DEV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main purpose of this patented technology is to solve the phenomenon of uneven contact pressure caused by the mechanical deformation and thermal deformation of the thrust part of the existing hydraulic generator set, and to provide an elastic thrust tile whose mechanical temperature deformation on the tile surface can be adjusted by itself. At the same time, in order to better improve the friction and wear performance of the product, the plastic layer is modified, and there are the following problems:
For this reason, the bearing bushes and related parts used in the existing hydroelectric generating units all need to adopt insulating measures such as installing insulating rings, which makes the product structure complex and high in cost;
[0005] 2. The use of metal lead pollutes the environment and is not conducive to environmental protection

Method used

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  • Environment protection elastic metallic plastic bush

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] a. Using existing technology to make wire mats;

[0013] b. Mix the aramid fibers accounting for 2-8% of the total weight, polyphenylene ester or polyimide accounting for 20-30% of the total weight, and the rest of polytetrafluoroethylene, and put the raw materials into the cylinder for mixing In the machine, select the rotating speed of 100~150r, and mix for 20~50 minutes;

[0014] c. Sprinkle the mixed powder on the metal wire elastic pad 2 blank, and mold and compound it into a tile surface blank according to the conventional method;

[0015] d. Sinter the tile surface blank according to the conventional method to make a tile surface with a surface plastic layer 3 embedded on the wire elastic pad 2;

[0016] e. The tile surface is brazed on the steel tile base 1, that is, it is made as figure 1 product shown.

Embodiment 2

[0018] Others are the same as in embodiment 1, except that the aramid fiber accounts for 3-4% of the total weight, polyphenylene ester or polyimide accounts for 23-26% of the total weight, and the balance is polytetrafluoroethylene.

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Abstract

The present invention discloses an environment-protecting type elastic metal plastic bearing liner. It includes steel brearing base, on the steel bearing base a metal wire elastic pad is firmly combined, on the metal wire elastic pad a surface plastic layer is inlaid, the described surface plastic layer is made of modified polytetrafluoroethylene powder material, said powder material is prepared by using (by wt%) 2-8% of aramid fibre, 20-30% of polyphenyl ester or polyimide and the rest is polytetrafluoroethylene.

Description

Technical field: [0001] The invention relates to an elastic metal-plastic bearing bush of a heavy-duty thrust bearing of a hydroelectric generator set, in particular to an environment-friendly elastic metal-plastic bearing bush. Background technique: [0002] At present, elastic metal-plastic bearing bushes are provided with a steel tile base, and a metal-plastic composite tile surface is brazed on the steel tile base. [0003] The closest existing technology to this patent application technology is the invention patent of Chinese Patent No. 90103367.7, entitled "Elastic Thrust Pad and Manufacturing Method". "Resilient tile made of mixed modified surface plastic as filling material" and its manufacturing method. "Its tin bronze porous material is composed of a number of tin bronze wire coil springs with a diameter of 0.4-0.6mm, and the depth of the modified surface filler penetrating into the elastic pad is 1 / 2-1 / 3 of the elastic pad, and the surface is wear-resistant. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C33/20
Inventor 孙承玉魏柏林刘平安
Owner DALIAN SANHUAN COMPOSITE MATERIAL TECH DEV
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