CN107556015A - A kind of magnetic suspension train carbon sliding block material - Google Patents
A kind of magnetic suspension train carbon sliding block material Download PDFInfo
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- CN107556015A CN107556015A CN201610496665.5A CN201610496665A CN107556015A CN 107556015 A CN107556015 A CN 107556015A CN 201610496665 A CN201610496665 A CN 201610496665A CN 107556015 A CN107556015 A CN 107556015A
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- sliding block
- carbon sliding
- glass fibers
- zinc stearate
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Abstract
The problem of present invention exists for prior art provides a kind of magnetic suspension train carbon sliding block material, including carbon sliding block base stock, tungsten disulfide mixture of glass fibers, and zinc stearate, wherein, the tungsten disulfide mixture of glass fibers, the weight of zinc stearate and the carbon sliding block base stock are：Tungsten disulfide mixture of glass fibers 3 12, zinc stearate 14, carbon sliding block base stock 70 140；Wherein, the carbon sliding block base stock includes：Petroleum coke, Delanium, native graphite and pitch, the petroleum coke, Delanium, the weight of native graphite and pitch are：Petroleum coke 20 40, Delanium 10 30, native graphite 10 20, pitch 30 50.The carbon sliding block material intensity of the present invention is good, it is wear-resisting, pressure-resistant, stably, lubricity it is good, easy mold release, environmental suitability is high, and machining property is good, and electric conductivity, heat conductivility are good, service life length, and with good physics, mechanics, chemical property.
Description
Technical field
The present invention relates to the rail carbon sliding block of magnetic suspension train the 3rd, more particularly to a kind of magnetic suspension train carbon sliding block
Material, belong to urban track traffic accessories field.
Background technology
Magnetic suspension train is a kind of modern high technology track vehicle, and it realizes train and track by electromagnetic force
Between contactless suspension and guiding, recycle the electromagnetic force tractor-trailer train of straight line to run.With national economy
The continuous enhancing and the improvement of people's living standards of strength, it is necessary to improve the transport capacity of track traffic with adapt to through
Ji development and the country such as people's livelihood needs, Germany, Japan, the U.S. have expanded the developmental research of magnetic suspension train,
The bigger achievement that Germany and Japan go.At present, China has opened magnetcisuspension on Shanghai, Changsha and other places
Floating train, and operational excellence.Because magnetic suspension train has the advantages that quick, low consumption, environmental protection, safe, because
This prospect is very wide.For routine conductive maglev train up to 400-500 kilometers/hour, levitated superconducting magnet train can
Up to 500-600 kilometers/hour.
Magnetic suspension train contacts during high-speed cruising, by carbon sliding block with the 3rd rail, because magnetic suspension arranges
The car speed of service is high, therefore, has high requirement to the electric conductivity, wearability and hardness of carbon sliding block.At present
Research for magnetic suspension train carbon sliding block does not almost have, and existing carbon sliding block is mostly that powder metallurgy carbon is slided
Block, it is serious to path wear because powder shaped charge liner material is hard, coefficient of friction is big, and material spy itself
Property, easily cause side in running, phenomena such as chip off-falling, and easily cause parking and electric conductivity difference etc.
Phenomenon, and it is on the high side.Therefore, the present invention provides a kind of magnetic suspension train carbon sliding block material, carbon sliding block
Material greasy property, conductive aspect are completely excellent in powder shaped charge liner, reduce between carbon sliding block and track
Coefficient of friction, track is not worn substantially, solve the problems, such as in train travelling process caused by fall side chip off-falling, and increase
Add the electric conductivity of carbon sliding block.
The content of the invention
The primary and foremost purpose of the present invention is to provide a kind of magnetic suspension train carbon for the above-mentioned problems of the prior art
Sliding block material, carbon sliding block material intensity of the invention is good, it is wear-resisting, pressure-resistant, stably, lubricity it is good, easy mold release,
Environmental suitability is high, and machining property is good, and electric conductivity, heat conductivility are good, service life length, and
With good physics, mechanics, chemical property.
To realize the purpose of the present invention, the present invention provides a kind of magnetic suspension train carbon sliding block material, including carbon is slided
Block base stock, tungsten disulfide-mixture of glass fibers, and zinc stearate, wherein, the tungsten disulfide-
Mixture of glass fibers and the weight of the zinc stearate are：Tungsten disulfide-mixture of glass fibers
3-12, zinc stearate 1-4.
Wherein, the weight of tungsten disulfide and glass fibre in the tungsten disulfide-mixture of glass fibers
For：Tungsten disulfide 1-4, glass fibre 2-8.
Particularly, the weight of tungsten disulfide and glass fibre in the tungsten disulfide-mixture of glass fibers
Preferably：Tungsten disulfide 2-4, glass fibre 3-6.
Especially it is that the parts by weight of tungsten disulfide and glass fibre are matched somebody with somebody in the tungsten disulfide-mixture of glass fibers
Than for：Tungsten disulfide 2.5-3, glass fibre 4.5-5.
Particularly, the tungsten disulfide is black solid powder, and its particle diameter is 100-200 mesh.
Especially, the particle diameter of the tungsten disulfide is preferably 200 mesh.
Tungsten disulfide greasy property is good, and coefficient of friction is low, and compression strength is big, turns available for high temperature, high pressure, height
Lubrication under speed, high load capacity, high vacuum condition, increase the wearability of product, improve the environment of carbon sliding block material
Adaptability, increase the service life.
Particularly, the length of the glass fibre is 2-5cm.
Especially, the length of the glass fibre is preferably 3-5cm.
Wherein, the glass fibre is a kind of inorganic non-metallic material, heat-resist, and corrosion resistance is good, machinery
Intensity is high, and tensile strength is big, non-ignitable, anti-rotten and cheap, and carbon sliding block material can be increased by adding glass fibre
The intensity of material, improve the heat resistance of carbon sliding block material, environmental suitability and extend its service life.
Particularly, the powder that the zinc stearate bonds for white, there is soapy feeling, micro- tool penetrating odor；It is close
It is 1304 DEG C to spend for 1.0953g/ml (25/4 DEG C), fusing point, and self-ignition point is 9005 DEG C.Because it is with higher
Fusing point and self-ignition point, therefore play a part of stabilizer, releasing agent and lubricant in carbon sliding block material, increase
Add stability, the lubricity of carbon sliding block material, and machining property.
Wherein, the tungsten disulfide-mixture of glass fibers, the weight of zinc stearate and the carbon sliding block base stock
Amount part, which matches, is：Tungsten disulfide-mixture of glass fibers 3-12, zinc stearate 1-4, carbon sliding block base stock
70-140。
Particularly, the tungsten disulfide-mixture of glass fibers, zinc stearate and the carbon sliding block base stock
Weight is preferably：Tungsten disulfide-mixture of glass fibers 5-12, zinc stearate 2-4, carbon sliding block are basic
Raw material 87-140.
Especially, the tungsten disulfide-mixture of glass fibers, zinc stearate and the carbon sliding block base stock
Weight is preferably：Tungsten disulfide-mixture of glass fibers 5-10, zinc stearate 2-3, carbon sliding block are basic
Raw material 87-123.
Particularly, the tungsten disulfide-mixture of glass fibers, zinc stearate and the carbon sliding block base stock
Weight is preferably：Tungsten disulfide-mixture of glass fibers 7-10, zinc stearate 2.5-3, carbon sliding block base
This raw material 105-123.
Especially, the tungsten disulfide-mixture of glass fibers, zinc stearate and the carbon sliding block base stock
Weight is preferably：Tungsten disulfide-mixture of glass fibers 5-8, zinc stearate 2-2.5, carbon sliding block base
This raw material 87-105.
Wherein, the carbon sliding block base stock includes：Petroleum coke, Delanium, native graphite and pitch.
Particularly, the weight of the petroleum coke, Delanium, native graphite and pitch is：Petroleum coke
20-40, Delanium 10-30, native graphite 10-20, pitch 30-50.
Especially, the granularity of the petroleum coke is 300 ± 20 mesh, moisture≤1%, ash content≤1%.
Petroleum coke of the present invention selects ripe Jiao of low-sulfur.
Petroleum coke of the present invention has the characteristics that heat-resisting, wear-resisting, stable friction factor, loss are low, therefore petroleum coke
Addition can improve heat resistance, the wearability of carbon sliding block material, improve the coefficient of friction of carbon sliding block material, and
Reduce its loss.
Particularly, the granularity of the native graphite is 40-60 mesh, carbon content >=99%, ash content≤1%.
Especially, the granularity of the Delanium is 300 mesh, carbon content >=99%, ash content≤1%.
Native graphite and Delanium have light weight, conduct electricity very well, good heat conductivity, greasy property are good,
The advantages that machining property is excellent, the electric conductivity, heat conductivility and lubricity of carbon sliding block material can be improved
Can, and increase the machining property of carbon sliding block material.
The native graphite and Delanium of the present invention is preferably crystalline flake graphite.
Particularly, the pitch is mid temperature pitch, and softening point is 65-90 DEG C.
Mid temperature pitch is tar distillation raffinate part, and yield accounts for the 54-56% of tar, and it is by more than three rings
Aromatic compound and oxygen-containing, nitrogenous, sulfur heterocyclic compound and a small amount of macromolecule carbonaceous material composition, the present invention
Pitch plays binding agent.
Especially, the tungsten disulfide-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium,
The weight of native graphite and pitch is：Tungsten disulfide-mixture of glass fibers 3-12, zinc stearate 1-4,
Petroleum coke 20-40, Delanium 10-30, native graphite 10-20, pitch 30-50.
Particularly, the tungsten disulfide-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium,
The weight of native graphite and pitch is：Tungsten disulfide-mixture of glass fibers 5-12, zinc stearate 2-4,
Petroleum coke 25-40, Delanium 15-30, native graphite 12-20, pitch 35-50.
Especially, the tungsten disulfide-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium,
The weight of native graphite and pitch is preferably：Tungsten disulfide-mixture of glass fibers 5-10, stearic acid
Zinc 2-3, petroleum coke 25-35, Delanium 15-25, native graphite 12-18, pitch 35-45.
Particularly, the tungsten disulfide-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium,
The weight of native graphite and pitch is preferably：Tungsten disulfide-mixture of glass fibers 7-10, stearic acid
Zinc 2.5-3, petroleum coke 30-35, Delanium 20-25, native graphite 15-18, pitch 40-45.
Especially, the tungsten disulfide-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium,
The weight of native graphite and pitch is：Tungsten disulfide-mixture of glass fibers 5-8, zinc stearate 2-2.5,
Petroleum coke 25-30, Delanium 15-20, native graphite 12-15, pitch 35-40.
Carbon sliding block material of the present invention has the following advantages that and advantageous effects：
1st, carbon sliding block material intensity of the invention is good, it is wear-resisting, pressure-resistant, stably, lubricity it is good, easy mold release,
Environmental suitability is high, and machining property is good, and electric conductivity, heat conductivility are good, service life length, and
With good physics, mechanics, chemical property.
2nd, carbon sliding block material of the present invention selection tungsten disulfide is as additive, because tungsten disulfide greasy property is good,
Coefficient of friction is low, and compression strength is big, available under high temperature, high pressure, high rotating speed, high load capacity, high vacuum condition
Lubrication, increase the wearability of product, improve the environmental suitability of carbon sliding block material, increase the service life.
3rd, carbon sliding block material of the present invention selects glass fibre as additive, anticorrosive because its is heat-resist
Property good, high mechanical strength, tensile strength is big, non-ignitable, anti-rotten and cheap, add glass fibre can increase
Add the intensity of carbon sliding block material, improve the heat resistance of carbon sliding block material, environmental suitability and extend it and use the longevity
Life.
4th, carbon sliding block material of the present invention selection zinc stearate is used as lubricant, the stability of increase carbon sliding block material,
Lubricity, and machining property.
5th, present invention selection petroleum coke, native graphite, Delanium and pitch is as carbon sliding block base stock,
Heat resistance, the wearability of carbon sliding block material can be improved, electric conductivity, heat conductivility, improves carbon sliding block material
Coefficient of friction, increase carbon sliding block material machining property simultaneously reduce its loss.
Embodiment
Invention is illustrated with reference to embodiments.Advantages of the present invention and feature will be with description and more
It is clear.But these embodiments are only exemplary, do not form any restrictions to the scope of the present invention.This area
Technical staff should be understood that without departing from the spirit and scope of the invention can be to technical solution of the present invention
Details and form modify or replace, but these modification and replacement each fall within protection scope of the present invention.
Embodiment 1
(1) stocked up according to following weight
(2) raw material mixes
Continuous heating is carried out to mixing kettle, when the temperature of mixing kettle reaches 120 DEG C, by petroleum coke, artificial stone
Ink, native graphite, pitch, tungsten disulfide, glass fibre and zinc stearate are added in mixing kettle, and stirring is mixed
2h is closed, makes it uniformly, powdered just compound is made；
Then, when the temperature of heating kettle reaches 150 DEG C, pitch is added in just compound, is stirred
1.5h, make it that powder-mixed material uniformly be made；
(3) compression process
Powdered compound is placed in mould and carries out compression process, columned stock column is made；
(4) curing process
The stock column suppressed is placed in 100 DEG C of baking oven and carries out curing process, processing time 14h, makes material
Post keeps constant temperature；
(5) extrusion forming
Stock column after solidification is put into extrusion forming in extruder, obtains carbon sliding block material blank, extruding temperature is set
Spend for 170 DEG C；
(6) calcination process
The carbon sliding block material blank of extrusion forming is put into roaster, is calcined 15 days, produces at 1030 DEG C
To carbon sliding block material.
Physical property detection is carried out to obtained carbon sliding block material, the results are shown in Table 1.
Embodiment 2
(1) stocked up according to following weight
(2) raw material mixes
Continuous heating is carried out to mixing kettle, when the temperature of mixing kettle reaches 125 DEG C, by petroleum coke, artificial stone
Ink, native graphite, pitch, tungsten disulfide, glass fibre and zinc stearate are added in mixing kettle, and stirring is mixed
2.3h is closed, makes it uniformly, powdered just compound is made；
Then, when the temperature of heating kettle reaches 145 DEG C, pitch is added in just compound, is stirred
1.2h, make it that powder-mixed material uniformly be made；
(3) compression process
Powdered compound is placed in mould and carries out compression process, columned stock column is made；
(4) curing process
The stock column suppressed is placed in 105 DEG C of baking oven and carries out curing process, processing time 16h, makes material
Post keeps constant temperature；
(5) extrusion forming
Stock column after solidification is put into extrusion forming in extruder, obtains carbon sliding block material blank, extruding temperature is set
Spend for 175 DEG C；
(6) calcination process
The carbon sliding block material blank of extrusion forming is put into roaster, is calcined 16 days, produces at 1010 DEG C
To carbon sliding block material.
Physical property detection is carried out to obtained carbon sliding block material, the results are shown in Table 1.
Embodiment 3
(1) stocked up according to following weight
(2) raw material mixes
Continuous heating is carried out to mixing kettle, when the temperature of mixing kettle reaches 115 DEG C, by petroleum coke, artificial stone
Ink, native graphite, pitch, tungsten disulfide, glass fibre and zinc stearate are added in mixing kettle, and stirring is mixed
2.2h is closed, makes it uniformly, powdered just compound is made；
Then, when the temperature of heating kettle reaches 155 DEG C, pitch is added in just compound, is stirred
1.3h, make it that powder-mixed material uniformly be made；
(3) compression process
Powdered compound is placed in mould and carries out compression process, columned stock column is made；
(4) curing process
The stock column suppressed is placed in 95 DEG C of baking oven and carries out curing process, processing time 17h, makes stock column
Keep constant temperature；
(5) extrusion forming
Stock column after solidification is put into extrusion forming in extruder, obtains carbon sliding block material blank, extruding temperature is set
Spend for 165 DEG C；
(6) calcination process
The carbon sliding block material blank of extrusion forming is put into roaster, is calcined 14 days, produces at 1020 DEG C
To carbon sliding block material.
Physical property detection is carried out to obtained carbon sliding block material, the results are shown in Table 1.
Embodiment 4
(1) stocked up according to following weight
(2) raw material mixes
Continuous heating is carried out to mixing kettle, when the temperature of mixing kettle reaches 130 DEG C, by petroleum coke, artificial stone
Ink, native graphite, pitch, tungsten disulfide, glass fibre and zinc stearate are added in mixing kettle, and stirring is mixed
2.5h is closed, makes it uniformly, powdered just compound is made；
Then, when the temperature of heating kettle reaches 140 DEG C, pitch is added in just compound, is stirred
1.5h, make it that powder-mixed material uniformly be made；
(3) compression process
Powdered compound is placed in mould and carries out compression process, columned stock column is made；
(4) curing process
The stock column suppressed is placed in 90 DEG C of baking oven and carries out curing process, processing time 18h, makes stock column
Keep constant temperature；
(5) extrusion forming
Stock column after solidification is put into extrusion forming in extruder, obtains carbon sliding block material blank, extruding temperature is set
Spend for 180 DEG C；
(6) calcination process
The carbon sliding block material blank of extrusion forming is put into roaster, is calcined 15 days, produces at 1000 DEG C
To carbon sliding block material.
Physical property detection is carried out to obtained carbon sliding block material, the results are shown in Table 1.
Embodiment 5
(1) stocked up according to following weight
(2) raw material mixes
Continuous heating is carried out to mixing kettle, when the temperature of mixing kettle reaches 110 DEG C, by petroleum coke, artificial stone
Ink, native graphite, pitch, tungsten disulfide, glass fibre and zinc stearate are added in mixing kettle, and stirring is mixed
2h is closed, makes it uniformly, powdered just compound is made；
Then, when the temperature of heating kettle reaches 150 DEG C, pitch is added in just compound, is stirred
1h, make it that powder-mixed material uniformly be made；
(3) compression process
Powdered compound is placed in mould and carries out compression process, columned stock column is made；
(4) curing process
The stock column suppressed is placed in 110 DEG C of baking oven and carries out curing process, processing time 12h, makes material
Post keeps constant temperature；
(5) extrusion forming
Stock column after solidification is put into extrusion forming in extruder, obtains carbon sliding block material blank, extruding temperature is set
Spend for 160 DEG C；
(6) calcination process
The carbon sliding block material blank of extrusion forming is put into roaster, is calcined 15 days, produces at 1030 DEG C
To carbon sliding block material.
Physical property detection is carried out to obtained carbon sliding block material, the results are shown in Table 1.
The embodiment 1-5 carbon sliding block material physical property testing results of table 1
From the data in table 1, it can be seen that carbon sliding block material physical property of the present invention is good, reach railway
The requirement of TJ/JW029-2014 standards, resistivity is low, conducts electricity very well, and bulk density is small, rupture strength and anti-
Compressive Strength is high, and hardness is moderate, and impact flexibility is good.
Claims (10)
1. a kind of magnetic suspension train carbon sliding block material, including carbon sliding block base stock, it is characterised in that also
Including：
Tungsten disulfide-mixture of glass fibers；And
Zinc stearate；
Wherein, the tungsten disulfide-mixture of glass fibers and the weight of the zinc stearate are：Two
Tungsten sulfide-mixture of glass fibers 3-12, zinc stearate 1-4.
2. magnetic suspension train as claimed in claim 1 carbon sliding block material, it is characterised in that two sulphur
Change tungsten-mixture of glass fibers, the weight of zinc stearate and the carbon sliding block base stock is：Two sulphur
Change tungsten-mixture of glass fibers 3-12, zinc stearate 1-4, carbon sliding block base stock 70-140.
3. magnetic suspension train carbon sliding block material as claimed in claim 2, it is characterised in that the carbon is slided
Block base stock includes：Petroleum coke, Delanium, native graphite and pitch.
4. magnetic suspension train as claimed in claim 3 carbon sliding block material, it is characterised in that the oil
Jiao, Delanium, the weight of native graphite and pitch are：Petroleum coke 20-40, Delanium 10-30,
Native graphite 10-20, pitch 30-50.
5. magnetic suspension train as claimed in claim 4 carbon sliding block material, it is characterised in that two sulphur
Change tungsten-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium, native graphite and pitch
Weight is：Tungsten disulfide-mixture of glass fibers 3-12, zinc stearate 1-4, petroleum coke 20-40,
Delanium 10-30, native graphite 10-20, pitch 30-50.
6. magnetic suspension train as claimed in claim 5 carbon sliding block material, it is characterised in that two sulphur
Changing the weight of tungsten disulfide and glass fibre in tungsten-mixture of glass fibers is：Tungsten disulfide 1-4, glass
Glass fiber 2-8.
7. magnetic suspension train as claimed in claim 4 carbon sliding block material, it is characterised in that two sulphur
Change tungsten-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium, native graphite and pitch
Weight is：Tungsten disulfide-mixture of glass fibers 5-12, zinc stearate 2-4, petroleum coke 25-40,
Delanium 15-30, native graphite 12-20, pitch 35-50.
8. magnetic suspension train as claimed in claim 4 carbon sliding block material, it is characterised in that two sulphur
Change tungsten-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium, native graphite and pitch
Weight is：Tungsten disulfide-mixture of glass fibers 5-10, zinc stearate 2-3, petroleum coke 25-35,
Delanium 15-25, native graphite 12-18, pitch 35-45.
9. magnetic suspension train as claimed in claim 4 carbon sliding block material, it is characterised in that two sulphur
Change tungsten-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium, native graphite and pitch
Weight is：Tungsten disulfide-mixture of glass fibers 7-10, zinc stearate 2.5-3, petroleum coke 30-35,
Delanium 20-25, native graphite 15-18, pitch 40-45.
10. magnetic suspension train as claimed in claim 4 carbon sliding block material, it is characterised in that two sulphur
Change tungsten-mixture of glass fibers, zinc stearate and the petroleum coke, Delanium, native graphite and pitch
Weight is：Tungsten disulfide-mixture of glass fibers 5-8, zinc stearate 2-2.5, petroleum coke 25-30,
Delanium 15-20, native graphite 12-15, pitch 35-40.
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| CN201610496665.5A CN107556015A (en) | 2016-06-30 | 2016-06-30 | A kind of magnetic suspension train carbon sliding block material |
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| CN201610496665.5A CN107556015A (en) | 2016-06-30 | 2016-06-30 | A kind of magnetic suspension train carbon sliding block material |
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| CN104649700A (en) * | 2013-11-18 | 2015-05-27 | 苏州东南电碳科技有限公司 | Carbon contact strip of pantograph and manufacturing method thereof |
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-
2016
- 2016-06-30 CN CN201610496665.5A patent/CN107556015A/en active Pending
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|---|---|---|---|---|
| CN1034984A (en) * | 1988-02-04 | 1989-08-23 | 山东省新材料研究所 | A kind of fiber reinforced ceramic composite |
| CN101165819A (en) * | 2007-09-13 | 2008-04-23 | 北京航空航天大学 | Preparation process of carbon base sliding block material for track vehicle |
| CN102034561A (en) * | 2010-10-09 | 2011-04-27 | 北京航空航天大学 | Carbon-based slider material for railway vehicle and preparation method thereof |
| CN102311273A (en) * | 2011-06-09 | 2012-01-11 | 苏州东南碳制品有限公司 | Carbon fiber reinforced pantograph carbon sliding plate and manufacturing method thereof |
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Application publication date: 20180109 |
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