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Elastic node rubber product for locomotive vehicle

A technology of rubber products and elastic joints, which is applied in the field of elastic joint rubber products, can solve the problems that the fatigue life, resistivity, combustion value and medium resistance of elastic joints for vibration reduction cannot meet the requirements, etc., and achieve long fatigue life and reasonable formula , good vibration damping performance

Inactive Publication Date: 2011-04-27
CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Rail vehicle vibration-damping rubber products are mainly used for rubber elastic joints for locomotives. With the development of high-speed railways, higher requirements are put forward for comfort and safety. Neither the value nor the medium resistance can meet the requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0013] Specific embodiment one: a kind of rubber elastic node rubber product for locomotives and vehicles, the main raw material composition and mass ratio are: 100 parts of natural rubber; 20-60 parts of carbon black; 0-15 parts of mineral oil; 6-10 parts of anti-aging agent ; Activator and vulcanizing agent 10-15 parts.

[0014] Its preparation process steps are as follows:

[0015] (1) Raise the temperature of the internal mixer to 60-70°C;

[0016] (2) Put the natural rubber into the banbury mixer and knead for 0.5-1 minute;

[0017] (3) Put active agent and anti-aging agent into the internal mixer, and mix for 1 minute;

[0018] (4) Put carbon black into the banbury mixer and knead for 1.5-2 minutes;

[0019] (5) Mineral oil is dropped into internal mixer and mixed;

[0020] (6) When the temperature of the rubber material rises to 100°C, the glue is discharged;

[0021] (7) Add vulcanizing agent on the open mill, thin pass, unload, roll temperature 50-60 ℃.

[0022]...

specific Embodiment 2

[0028] Specific embodiment two: a kind of rubber elastic node rubber product for rolling stock, main raw material composition and mass ratio are: 80 parts of natural rubber; 20 parts of butadiene rubber; 20-60 parts of carbon black; 0-15 parts of mineral oil , 6-10 parts of anti-aging agent; 10-15 parts of activator and vulcanizing agent.

[0029] Its preparation process steps are as follows:

[0030] (1) Raise the temperature of the internal mixer to 60-70°C;

[0031] (2) Natural rubber and butadiene rubber are dropped into the internal mixer, and mixed for 0.5-1 minute;

[0032] (3) Put active agent and anti-aging agent into the internal mixer, and mix for 1 minute;

[0033] (4) Put carbon black into the banbury mixer and knead for 1.5-2 minutes;

[0034] (5) Mineral oil is dropped into internal mixer and mixed;

[0035] (6) When the temperature of the rubber material rises to 100°C, the glue is discharged;

[0036] (7) Add vulcanizing agent on the open mill, thin pass,...

specific Embodiment 3

[0043] Specific embodiment three: a kind of rubber elastic node rubber product for locomotive and vehicle, main raw material composition and mass ratio are: 100 parts of natural rubber; 15-25 parts of white carbon black; 20-40 parts of carbon black; silane coupling agent 1 -3 parts; 5-10 parts of mineral oil; 6-10 parts of anti-aging agent; 10-15 parts of activator and vulcanizing agent.

[0044] Its preparation process steps are as follows:

[0045] (1) Raise the temperature of the internal mixer to 60-70°C;

[0046] (2) Put the natural rubber into the banbury mixer and knead for 0.5-1 minute;

[0047] (3) Put active agent, anti-aging agent and silane coupling agent in the internal mixer, and knead for 1 minute;

[0048] (4) Put carbon black and white carbon black into the internal mixer, and mix for 1.5-2 minutes;

[0049] (5) Mineral oil is dropped into internal mixer and mixed;

[0050] (6) When the temperature of the rubber material rises to 130 ° C, the glue is disch...

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PUM

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Abstract

The invention relates to a main raw material composition and a mass formula of an elastic node rubber product for a locomotive vehicle, and a preparation method. The technical scheme provided by the invention has a rational formula and high quality, and the product has high vibration absorption performance and a long fatigue life, and the physical performance can meet the requirements of 'General Technical Specification for Rubber Elastic Component for Locomotive Vehicle' of Railway Industry Standards TB / T 2834-2007 of People's Republic of China.

Description

technical field [0001] The present invention relates to an elastic joint rubber product for rolling stock or other similar applications. Background technique [0002] Rail vehicle vibration-damping rubber products are mainly used for rubber elastic joints for locomotives. With the development of high-speed railways, higher requirements are put forward for comfort and safety. Neither the value nor the medium resistance can meet the requirements. Contents of the invention [0003] The invention aims at various deficiencies of the existing elastic joints for vibration damping, and provides a rubber element for rolling stock with high-efficiency vibration damping, long-term fatigue life, and meeting the requirements of different vibration frequencies and resistances. [0004] The technical scheme of the present invention is: a kind of elastic node rubber product for locomotives and vehicles, the main raw material composition and quality formula are as follows: 70-100 parts of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/00C08K13/02C08K3/36C08K3/04C08K5/54B29B7/28
Inventor 高新文王付胜袁博
Owner CRRC QINGDAO SIFANG ROLLING STOCK RES INST