CN1805062A - Pure carbon slide plate for pantograph and its producing method - Google Patents
Pure carbon slide plate for pantograph and its producing method Download PDFInfo
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- CN1805062A CN1805062A CN 200610042178 CN200610042178A CN1805062A CN 1805062 A CN1805062 A CN 1805062A CN 200610042178 CN200610042178 CN 200610042178 CN 200610042178 A CN200610042178 A CN 200610042178A CN 1805062 A CN1805062 A CN 1805062A
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- sintering
- slide plate
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- pure carbon
- carbon slide
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 17
- 238000005245 sintering Methods 0.000 claims abstract description 90
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 17
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 17
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000008117 stearic acid Substances 0.000 claims abstract description 17
- 239000006229 carbon black Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims description 22
- 239000011230 binding agent Substances 0.000 claims description 19
- 238000000498 ball milling Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 229920001568 phenolic resin Polymers 0.000 claims description 6
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 238000011068 loading method Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000003575 carbonaceous material Substances 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 235000019241 carbon black Nutrition 0.000 description 10
- 239000012467 final product Substances 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention relates to a pantograph carbon slide plate, which comprises the carbon powder in 50-80%, the resin adhesive in 15-35%, the carbon black in 3-15% and the stearic acid in 2-5% which are processed by selecting, breaking, mixing, milling, molding and sintering. The invention adds carbon black into the carbon basic material to restrain the worse mechanical property of carbon material, improve the flexibility, strengthen, and avoid hurting slide plate caused by high speed. It sinters the slide plate at special condition. The length of said invention can reach 1250mm with better conductive property, anti-electric arc property, corrosive resistance and friction resistance, long service life, less friction on the lead, better anti-impact property, light weight and better curve shape to meet the demand of high-speed pantograph slide plate.
Description
One, technical field
The invention belongs to the electric locomotive technical field, especially relate to a kind of pure carbon slide plate for pantograph and production method thereof.
Two, background technology
Along with expanding economy, China's electric railway construction has had very big development, and develop to high speed, the high speed of electric railway, one of key issue that will inevitably run into is flowed at a high speed, good high speed is subjected to fluidity can depend on the friction pair that the mutual coupling between pantograph pan and the contact wire constitutes, pantograph pan is a key technology, domestic pantograph pan generally adopts metal slider at present, soak metal slider, although it is wear-resisting to have self, shock proof characteristics, but it is big to the lead wearing and tearing, the carbon slide plate of domestic production, owing to filled a prescription with the restriction of processing technology, life-span is shorter, and is to be combined into the long slide plate that meets instructions for use by short carbon slide plate, thereby its performance is bad, mainly show as impact strength, resistance to wear, current collection, useful life is low and weight is heavier, is not suitable for the needs that domestic high-speed electric railway is built.
Three, summary of the invention
The objective of the invention is to improve the deficiency of prior art and provide that a kind of slide plate is that one, length reach 1250 millimeters, resistivity and contact resistance is little, current-carrying capacity is big, abrasion are little, lubrification good, intensity is high, high-melting-point and good, lightweight pantograph carbon slide of thermal conductivity, anti-electric arc and corrosivity and production method thereof.The object of the present invention is achieved like this, and a kind of pure carbon slide plate for pantograph is characterized in comprising (percentage by weight) graphite powder 50-80%, resin binder 15-35%, carbon black 3-15% and stearic acid 2-5%.
Resin binder is epoxy resin, phenolic resins.
Resin binder preferred epoxy 6101,1551,1681, the 6400A in the phenolic resins, 2893A.
Stearic acid preferably uses tristerin, zinc stearate and calcium stearate.
The production method of a kind of pure carbon slide plate for pantograph of the present invention is that this method may further comprise the steps:
A, by prescription check chosen material;
B, raw material are pulverized, and graphite powder are pulverized be 30-80 order granularity;
C, raw material mix, and will choose ready material and put into mixed pot mixing 0.5-2 hour of carrying;
D, raw material grind, and mixed raw material is put into ball mill carry out ball milling;
E, moulding, the raw material that ball milling is good carries out hot-forming, and temperature remains on 200 ℃, pressure 12-18Mpa;
F, sintering are with hot-forming slide plate shove charge sintering;
G, check are with the warehouse-in of testing of the slide plate behind the sintering.
Sintering is that sintering time is 200 hours.
In the sintering process normal temperature to 130 ℃ sintering 10 hours, 130 ℃ of-200 ℃ of sintering 15 hours, 200 ℃ of-450 ℃ of sintering 40 hours, 450 ℃ of-650 ℃ of sintering 50 hours, 650 ℃ of-850 ℃ of sintering 40 hours, 850 ℃ of-600 ℃ of sintering 20 hours, 600 ℃ of-360 ℃ of sintering 25 hours.
Pure carbon slide plate and air are isolated in sintering process.
Isolated can the employing of pure carbon slide plate and air adopts carbon dust or alundum (Al to fill space between the pure carbon slide plate as filler in the loading furnace process in sintering process, also can use nitrogen as protective gas, can also use vacuum furnace to carry out sintering.
Compared with the prior art the present invention has following distinguishing feature and good effect: carbon slide plate of the present invention is to comprise graphite powder, resin binder, carbon black and stearic acid, graphite has heat-resisting quantity, conduction, thermal conductivity, lubrification, chemical stability etc., that resin binder has is high temperature resistant, adhesion strength is high, anti-chemical and heat-treatability, adding stearic acid mainly is to have increased thickener plasticity, be convenient to the product that big specification is complex-shaped, compression ratio is bigger, the power of reducing friction in process of production, the effect of itself super fatting agent.Carbon black is to be that the spherical of 2～3nm or chain particle are built up and formed by average diameter, inside is the micro-crystallization structure that contains diameter 3～500nm, can with various radical reactions, carbon black uses mainly as reinforcing agent, other are also as pigment (printing ink, plastics, coating are used), conductive agent, catalyst carrier, superhard alloy material.
The present invention uses above-mentioned raw materials to form by raw material screening, pulverizing, mixing, ball milling, matrix moulding, sintering, by materials such as adding carbon blacks in carbon matrix material, suppress fragility, improve toughness, intensity, avoid high speed traveling to cause slide plate impaired, under given conditions slide plate is carried out sintering, sintering is to carry out under the situation of secluding air, and purpose is to get rid of fugitive constituent, it is the binding agent coking, make slide plate have certain physicochemical property, reduce resistance, reduced volume.The leading indicator of pure carbon slide plate of the present invention is as follows: density (g/cm
3) at 1.68-1.80, hardness (HS) is at 62-79, resistivity (μ Ω m) 26.7-28.18, bending strength (Mpa) 47.1-65.3, compression strength (Mpa) 93-136, impact toughness (T/cm
2) 0.13-0.17, contact wire wear resistance ratio (mm
2/ ten thousand shelves) 0.10, slide plate wear resistance ratio (mm/ ten thousand locomotive kilometers) 0.6-1.5, every index is all above national standard.
Four, specific embodiments
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment 1, a kind of pure carbon slide plate for pantograph, be to take by weighing graphite powder 50kg, resin binder 35kg, carbon black 12kg and stearic acid 3kg, resin binder is in the epoxy resin 6101, stearic acid use zinc stearate, it is 30-80 order granularity that graphite powder is pulverized, and will choose ready material and put into mixed pot mixing 0.5-2 hour of carrying, present embodiment mixed 1 hour, mixed raw material is put into ball mill carry out ball milling, the raw material that ball milling is good carries out hot-forming, and temperature remains on 200 ℃, pressure 12-18Mpa, with hot-forming slide plate shove charge sintering, the employing level is put during shove charge, and carbon dust is as inserts, make pure carbon slide plate and air isolated, with the slide plate behind the sintering test the warehouse-in get final product, sintering process is sintering 200 hours, wherein normal temperature to 130 ℃ sintering is 10 hours, 130 ℃ of-200 ℃ of sintering 15 hours, 200 ℃ of-450 ℃ of sintering 40 hours, 450 ℃ of-650 ℃ of sintering 50 hours, 650 ℃ of-850 ℃ of sintering 40 hours, 850 ℃ of-600 ℃ of sintering 20 hours, 600 ℃ of-360 ℃ of sintering 25 hours.
Embodiment 2, a kind of pure carbon slide plate for pantograph, be to take by weighing graphite powder 80kg, resin binder 15kg, carbon black 3kg and stearic acid 2kg, resin binder are 1551 in the epoxy resin, and stearic acid uses calcium stearate, it is 30-80 order granularity that graphite powder is pulverized, to choose ready material and put into mixed pot mixing 0.5-2 hour of carrying, present embodiment mixed 2 hours, mixed raw material is put into ball mill carry out ball milling, the raw material that ball milling is good carries out hot-forming, temperature remains on 200 ℃, and pressure 12-18Mpa is with hot-forming slide plate shove charge sintering, adopt the pre-buried mode of alundum (Al during shove charge, make carbon slide plate and air isolated, the slide plate behind the sintering is tested to put in storage to get final product, and sintering process is normal temperature to 130 ℃ sintering 10 hours, 130 ℃ of-200 ℃ of sintering 15 hours, 200 ℃ of-450 ℃ of sintering 40 hours, 450 ℃ of-650 ℃ of sintering 50 hours, 650 ℃ of-850 ℃ of sintering 40 hours, 850 ℃ of-600 ℃ of sintering 20 hours, 600 ℃ of-360 ℃ of sintering 25 hours.
Embodiment 3; a kind of pure carbon slide plate for pantograph; be to take by weighing graphite powder 70kg; resin binder 20kg; carbon black 5kg and stearic acid 5kg, resin binder are 1681 in the epoxy resin, and stearic acid uses zinc stearate; it is 30-80 order granularity that graphite powder is pulverized; to choose ready material and put into mixed pot mixing 0.5-2 hour of carrying, present embodiment mixed 0.5 hour, mixed raw material is put into ball mill carry out ball milling; the raw material that ball milling is good carries out hot-forming; temperature remains on 200 ℃, and pressure 12-18Mpa is with hot-forming slide plate shove charge sintering; adopt nitrogen as protective gas during sintering; make carbon slide plate and air isolated, the slide plate behind the sintering is tested to put in storage to get final product, and sintering process is normal temperature to 130 ℃ sintering 10 hours; 130 ℃ of-200 ℃ of sintering 15 hours; 200 ℃ of-450 ℃ of sintering 40 hours, 450-650 ℃ of sintering 50 hours, 650 ℃ of-850 ℃ of sintering 40 hours; 850 ℃ of-600 ℃ of sintering 20 hours, 600 ℃ of-360 ℃ of sintering 25 hours.
Embodiment 4, a kind of pure carbon slide plate for pantograph, be to take by weighing graphite powder 75kg, resin binder 14kg, carbon black 9kg and stearic acid 2kg, resin binder are the 6400A in the phenolic resins, and stearic acid uses zinc stearate, it is 30-80 order granularity that graphite powder is pulverized, to choose ready material and put into mixed pot mixing 0.5-2 hour of carrying, present embodiment mixed 1.5 hours, mixed raw material is put into ball mill carry out ball milling, the raw material that ball milling is good carries out hot-forming, temperature remains on 200 ℃, and pressure 12-18Mpa is with hot-forming slide plate shove charge sintering, adopt the vacuum furnace sintering, with the slide plate behind the sintering test the warehouse-in get final product, sintering process is sintering 200 hours, wherein normal temperature to 130 ℃ sintering is 10 hours, 130 ℃ of-200 ℃ of sintering 15 hours, 200 ℃ of-450 ℃ of sintering 40 hours, 450 ℃ of-650 ℃ of sintering 50 hours, 650 ℃ of-850 ℃ of sintering 40 hours, 850 ℃ of-600 ℃ of sintering 20 hours, 600 ℃ of-360 ℃ of sintering 25 hours.
Embodiment 5, a kind of pure carbon slide plate for pantograph, be to take by weighing graphite powder 65kg, resin binder 24kg, carbon black 7kg and stearic acid 4kg, resin binder is the 2893A in the phenolic resins, and stearic acid uses zinc stearate, graphite powder is pulverized be 30-80 order granularity, to choose ready material and put into mixed pot mixing 0.5-2 hour of carrying, present embodiment mixed 1.5 hours, mixed raw material is put into ball mill carry out ball milling, and the raw material that ball milling is good carries out hot-forming, temperature remains on 200 ℃, pressure 12-18Mpa with hot-forming slide plate shove charge sintering, adopts the vacuum furnace sintering, with the slide plate behind the sintering test the warehouse-in get final product, sintering process is normal temperature to 130 ℃ sintering 10 hours, 130 ℃ of-200 ℃ of sintering 15 hours, 200 ℃ of-450 ℃ of sintering 40 hours, 450 ℃ of-650 ℃ of sintering 50 hours, 650 ℃ of-850 ℃ of sintering 40 hours, 850 ℃ of-600 ℃ of sintering 20 hours, 600 ℃ of-360 ℃ of sintering 25 hours.
Claims (9)
1, a kind of pure carbon slide plate for pantograph is characterized in that comprising (percentage by weight) graphite powder 50-80%, resin binder 15-35%, carbon black 3-15% and stearic acid 2-5%.
2, a kind of pure carbon slide plate for pantograph according to claim 1 is characterized in that resin binder is epoxy resin, phenolic resins.
3, a kind of pure carbon slide plate for pantograph according to claim 2 is characterized in that resin binder preferred epoxy 6101,1551,1681, the 6400A in the phenolic resins, 2893A.
4, a kind of pure carbon slide plate for pantograph according to claim 1 is characterized in that stearic acid preferably uses tristerin, zinc stearate and calcium stearate.
5, the production method of the described a kind of pure carbon slide plate for pantograph of a kind of claim 1 is characterized in that this method may further comprise the steps:
A, by prescription check chosen material;
B, raw material are pulverized, and graphite powder are pulverized be 30-80 order granularity;
C, raw material mix, and will choose ready material and put into mixed pot mixing 0.5-2 hour of carrying;
D, raw material grind, and mixed raw material is put into ball mill carry out ball milling;
E, moulding, the raw material that ball milling is good carries out hot-forming, and temperature remains on 200 ℃, pressure 12-18Mpa;
F, sintering are with hot-forming slide plate shove charge sintering;
G, check are with the warehouse-in of testing of the slide plate behind the sintering.
6, the production method of a kind of pure carbon slide plate for pantograph according to claim 5 is characterized in that sintering 200 hours.
7, the production method of a kind of pure carbon slide plate for pantograph according to claim 6, it is characterized in that in the sintering process normal temperature to 130 ℃ sintering 10 hours, 130 ℃ of-200 ℃ of sintering 15 hours, 200 ℃ of-450 ℃ of sintering 40 hours, 450 ℃ of-650 ℃ of sintering 50 hours, 650 ℃ of-850 ℃ of sintering 40 hours, 850 ℃ of-600 ℃ of sintering 20 hours, 600 ℃ of-360 ℃ of sintering 25 hours.
8, the production method of a kind of pure carbon slide plate for pantograph according to claim 5 is characterized in that pure carbon slide plate and air are isolated in sintering process.
9, the production method of a kind of pure carbon slide plate for pantograph according to claim 8; it is characterized in that isolated can the employing of pure carbon slide plate and air adopts carbon dust or alundum (Al to fill space between the pure carbon slide plate as filler in the loading furnace process in sintering process; also can use nitrogen as protective gas, can also use vacuum furnace to carry out sintering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100421788A CN100396510C (en) | 2006-01-09 | 2006-01-09 | Pure carbon slide plate for pantograph and its producing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100421788A CN100396510C (en) | 2006-01-09 | 2006-01-09 | Pure carbon slide plate for pantograph and its producing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1805062A true CN1805062A (en) | 2006-07-19 |
| CN100396510C CN100396510C (en) | 2008-06-25 |
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| CNB2006100421788A Active CN100396510C (en) | 2006-01-09 | 2006-01-09 | Pure carbon slide plate for pantograph and its producing method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480927B (en) * | 2009-03-02 | 2011-01-12 | 浙江师范大学 | Netted sintered carbon-copper composite material pantograph pan and method for producing the same |
| CN102432293A (en) * | 2011-09-26 | 2012-05-02 | 邢台驰宇电碳有限责任公司 | Electric locomotive pantograph carbon slide plate |
| CN102898143A (en) * | 2012-09-04 | 2013-01-30 | 天津锦美碳材科技发展有限公司 | Preparation method for carbon slider used for assembling pantograph of electric locomotive |
| CN102923008A (en) * | 2012-11-06 | 2013-02-13 | 太原理工大学 | Carbon based sliding plate material of high speed railway pantograph and preparation method thereof |
| CN103879292A (en) * | 2013-03-08 | 2014-06-25 | 莫傲 | Pantograph slide plate of pantograph of electric locomotive |
| CN110436925A (en) * | 2019-08-30 | 2019-11-12 | 中国科学院山西煤炭化学研究所 | A kind of high-speed train pantograph pure carbon slides and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178745A (en) * | 1997-10-07 | 1998-04-15 | 宝山钢铁(集团)公司 | Carbon-carbon composite material pantograph slide for electric locomotive |
| CN1102664C (en) * | 2000-03-10 | 2003-03-05 | 上海交通大学 | Pantograph slide-plate of composite carbon-copper material reinforced with continuous long carbon fiber |
| CN1222562C (en) * | 2002-10-22 | 2005-10-12 | 宜兴市溢洋墨根材料有限公司 | Carbon fiber reinforced slide plate for pantograph of electric locomotive and its manufacture |
-
2006
- 2006-01-09 CN CNB2006100421788A patent/CN100396510C/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480927B (en) * | 2009-03-02 | 2011-01-12 | 浙江师范大学 | Netted sintered carbon-copper composite material pantograph pan and method for producing the same |
| CN102432293A (en) * | 2011-09-26 | 2012-05-02 | 邢台驰宇电碳有限责任公司 | Electric locomotive pantograph carbon slide plate |
| CN102898143A (en) * | 2012-09-04 | 2013-01-30 | 天津锦美碳材科技发展有限公司 | Preparation method for carbon slider used for assembling pantograph of electric locomotive |
| CN102898143B (en) * | 2012-09-04 | 2014-05-07 | 天津锦美碳材科技发展有限公司 | Preparation method for carbon slider used for assembling pantograph of electric locomotive |
| CN102923008A (en) * | 2012-11-06 | 2013-02-13 | 太原理工大学 | Carbon based sliding plate material of high speed railway pantograph and preparation method thereof |
| CN102923008B (en) * | 2012-11-06 | 2014-04-16 | 太原理工大学 | Carbon based sliding plate material of high speed railway pantograph and preparation method thereof |
| CN103879292A (en) * | 2013-03-08 | 2014-06-25 | 莫傲 | Pantograph slide plate of pantograph of electric locomotive |
| CN103879292B (en) * | 2013-03-08 | 2016-05-04 | 莫傲 | Block of bow collector of electric locomotive be subject to electric slide plate |
| CN110436925A (en) * | 2019-08-30 | 2019-11-12 | 中国科学院山西煤炭化学研究所 | A kind of high-speed train pantograph pure carbon slides and preparation method thereof |
| CN110436925B (en) * | 2019-08-30 | 2021-09-03 | 中国科学院山西煤炭化学研究所 | Pure carbon sliding plate for high-speed train pantograph and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN100396510C (en) | 2008-06-25 |
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