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High-temperature resistant conducting glue for pantograph whole carbon sliding plate of electric high speed locomotive

An electric locomotive, high temperature resistant technology, applied in electric vehicles, conductive adhesives, current collectors, etc., can solve problems such as increased bonding resistance and cracking of skateboards

Active Publication Date: 2010-12-29
YIXING CITY YIYANG MEXICAN ROOTS MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When used for the overall carbon slide plate of the pantograph of a high-speed electric locomotive, it is extremely difficult to choose a high-strength, solvent-free adhesive that uses copper powder as the conductive material. In addition, the linear expansion coefficient of carbon materials (2-3×10 -6 ) and the linear expansion coefficient of aluminum alloy (2.4×10 -5 ) is more than 10 times different, so a huge internal stress will be generated at high temperature. After heating at 150°C for 1 hour, the bonding resistance of the overall skateboard will be doubled, and even the skateboard will be cracked.

Method used

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  • High-temperature resistant conducting glue for pantograph whole carbon sliding plate of electric high speed locomotive

Examples

Experimental program
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Effect test

Embodiment 1

[0011] Example 1, a high-temperature-resistant conductive adhesive for the overall carbon slide plate of the pantograph of a high-speed electric locomotive, using commercially available 204 organic silicon modified phenolic butyral adhesive as a high-temperature-resistant adhesive, the conductive material is selected from 100 mesh red copper mesh, and the Apply commercially available 204 silicone modified phenolic butyral glue on the bonding surface of the aluminum bracket and the carbon skateboard for three times, and let it dry for 15-20 minutes after each application, and then clamp a 100-mesh copper mesh in the middle Closed and cured, that is, a glue-copper mesh-glue sandwich bond is formed.

Embodiment 2

[0012] Embodiment 2, a high-temperature-resistant conductive adhesive for the overall carbon slide plate of the pantograph of a high-speed electric locomotive, using multifunctional epoxy resin glue as the high-temperature-resistant adhesive, the conductive material is selected from 40-mesh red copper mesh, and the multifunctional epoxy resin glue is made of The formula is as follows:

[0013] Tetrafunctional epoxy: trifunctional epoxy = 100:20 (mass ratio)

[0014] Epoxy resin: 2-methyl 4-ethylimidazole=100:8 (mass ratio)

[0015] Apply the prepared epoxy resin glue on the aluminum bracket and the carbon slide plate, the glue amount is 250-300g / m 2 , sandwich a 40-mesh copper mesh in the middle and then close and solidify to form a glue-copper mesh-glue sandwich form of bonding.

Embodiment 3

[0016] Embodiment 3, with reference to Example 2, the conductive material selects 60 purpose red copper nets for use, and the formula of multifunctional epoxy resin glue is as follows:

[0017] Tetrafunctional epoxy: trifunctional epoxy = 100:10 (mass ratio)

[0018] Epoxy resin: 2-methyl 4-ethylimidazole=100:6 (mass ratio)

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Abstract

The invention provides high-temperature resistant conducting glue for a pantograph whole carbon sliding plate of an electric high speed locomotive, and belongs to the field of important parts of railThe invention provides high-temperature resistant conducting glue for a pantograph whole carbon sliding plate of an electric high speed locomotive, and belongs to the field of important parts of railng plate of the electric high speed locomotive.ding plate of the electric high speed locomotive.tance, and can effectively eliminate the inner stress generated due to thermal expansion of the whole carbon sliding plate. The invention is ideal conducting glue for the pantograph whole carbon sliditance, and can effectively eliminate the inner stress generated due to thermal expansion of the whole carbon sliding plate. The invention is ideal conducting glue for the pantograph whole carbon sliisway vehicles. The conducting glue comprises a bonding agent and a conducting material, wherein the bonding agent is a high-temperature resistant bonding agent which can resist the high temperature ofway vehicles. The conducting glue comprises a bonding agent and a conducting material, wherein the bonding agent is a high-temperature resistant bonding agent which can resist the high temperature ofmore than 150 DEG C; the high-temperature resistant bonding agent is organic silicon modified phenolic aldehyde acetal glue or multi-function epoxy resin glue; and the conducting material is a 40 to 1more than 150 DEG C; the high-temperature resistant bonding agent is organic silicon modified phenolic aldehyde acetal glue or multi-function epoxy resin glue; and the conducting material is a 40 to 100-mesh copper net, and the sandwich mode of glue-copper net-glue is used for bonding, so that when the conducting glue is used for the producing pantograph whole carbon sliding plates of electric hig00-mesh copper net, and the sandwich mode of glue-copper net-glue is used for bonding, so that when the conducting glue is used for the producing pantograph whole carbon sliding plates of electric high speed locomotives and heavy-loading heavy-current electric locomotives, the conducting glue has the advantages that the conducting glue has high strength at a high temperature and stable bonding resh speed locomotives and heavy-loading heavy-current electric locomotives, the conducting glue has the advantages that the conducting glue has high strength at a high temperature and stable bonding resis

Description

technical field [0001] The invention belongs to the field of important parts and components of railway vehicles, and relates to a high-temperature-resistant conductive adhesive used for an integral carbon slide plate of a high-speed electric locomotive. Background technique [0002] With the advancement of science and technology, more and more materials and components are used in high-temperature, high-pressure, and high-speed occasions. The speed of the Beijing-Tianjin intercity railway that has been opened to traffic and the Beijing-Shanghai high-speed railway that is under construction are all above 300 kilometers per hour. , in order to achieve high-speed operation, a high-power traction system is necessary. The traction power required by ordinary trains is 2000-3000 kilowatts. The flow rate of the locomotive pantograph slide is more than three times higher than that of ordinary electric locomotive pantographs, so it needs to withstand higher temperatures. [0003] At p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L5/20C09J9/02C09J161/14C09J163/00
Inventor 钱振华凌跃成顾月芬杨育森
Owner YIXING CITY YIYANG MEXICAN ROOTS MATERIALS