CN107856541A - A kind of main carbon bar structure preparation method of pantograph carbon slide - Google Patents
A kind of main carbon bar structure preparation method of pantograph carbon slide Download PDFInfo
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- CN107856541A CN107856541A CN201711098222.1A CN201711098222A CN107856541A CN 107856541 A CN107856541 A CN 107856541A CN 201711098222 A CN201711098222 A CN 201711098222A CN 107856541 A CN107856541 A CN 107856541A
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- main carbon
- bar
- carbon bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
- B60L5/205—Details of contact bow with carbon contact members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of main carbon bar structure preparation method of pantograph carbon slide, the step of being well mixed including use carbon dust incorporation asphalt material and suppressing to obtain main carbon bar, and main carbon strip adoption bonding mode is fixedly installed on to the step in aluminium support, it is characterized in that, after main carbon bar shaping, it is put into machine oil after boiling and is stopped 48 72 hours in 65 85 DEG C of inside holdings.The present invention has and can reduce main carbon bar operating friction resistance, improves anti-cracking ability, it is possible to increase main carbon bar electric conductivity, and, easy making process and safety simple with technique, the advantages that stable and reliable product quality.
Description
Technical field
The present invention relates to motorcycle pantograph carbon slipper technical field；More particularly to a kind of main carbon bar knot of pantograph carbon slide
Structure.
Background technology
Electrically-driven car obtains the electrical equipment of electric energy from contact net, on locomotive or motor-car roof.China shows
It is that electric energy is obtained from road network wire by pantograph carbon slide mostly to have bullet train, and driving traction electric machine is run to drive train
Traveling.The main carbon that the structure of existing carbon slipper generally comprises strip and arched aluminium support and is fixedly installed on above aluminium support
Bar, main carbon bar upper surface are contact electric power receiving surface, are used for during work and road network conductive contact and remove electric current.Therefore the conduction of main carbon bar
Performance and crocking resistance are very important performance parameter.
The structure of the main carbon bar of carbon slipper is mainly the main carbon bar of pure carbon material before early again, but conductive and crocking resistance compared with
Difference.In order to improve conductive current collection performance and rub resistance ability, the conventional main carbon bar of carbon slipper predominantly soaks the main carbon bar of metal at present
Structure.The leaching main carbon bar structure of metal is using the carbon bar of pure carbon is put into high-temperature liquid metal, through HIGH PRESSURE TREATMENT by molten metal
It is immersed in carbon bar and obtains.Its conductive current collection performance so is improved by the molten metal for immersing carbon bar, while improves its wearability
Can, increase the service life.
But this leaching main carbon bar structure of metal type still has following defect：Technology difficulty is larger and dangerous higher, adds
Work cost is higher, and molten metal immersion is uneven to cause product quality stability and controllability poor.
In addition, long-term and road network conductive contact friction at work, also there is easily cracking in the existing main carbon bar of carbon slipper
And frictional resistance it is big and the defects of cause failure.
The content of the invention
The technical problems to be solved by the invention are：Main carbon bar operating friction resistance can be reduced by how obtaining one kind, be carried
The main carbon bar structure preparation method of pantograph carbon slide of high anti-cracking ability, and can further improve main carbon bar electric conductivity
Can, and, easy making process and safety, stable and reliable product quality the characteristics of simple with technique.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of main carbon bar structure preparation method of pantograph carbon slide, including be well mixed and suppress using carbon dust incorporation asphalt material
The step of obtaining main carbon bar, and the step main carbon strip adoption bonding mode being fixedly installed in aluminium support, it is characterised in that main
After the shaping of carbon bar, it is put into machine oil after boiling and stops 48-72 hours in 65-85 DEG C of inside holding.
So, through the above method, main carbon bar upper surface can be made to generate one layer of oil lamella.So, oil lamella can be relied on
Friction friction is preferably reduced, improves sliding effect.
Meanwhile oil lamella is prepared through aforesaid way, it can cause fluid molecule combines to be attached to main carbon bar surface carbon particle
Around, be greatly enhanced the sliding friction effect of main carbon bar surface carbon particle so that main carbon bar Surface Creation by carbon particle and
The film lubrication layer that fluid molecule combines to form, reduces frictional resistance so that the slip between main carbon bar and netting twine is more suitable
Protective effect freely and to netting twine is formed, fretting wear is preferably avoided, increases the service life.Pass through above-mentioned time and temperature simultaneously
Isothermal holding after, additionally it is possible to further such that machine oil, which immerses, is filled into the Minute pores gap of main carbon bar surface portion material
It is interior, supplement can be lost to the fluid molecule of film lubrication layer as during use, while so can also be to main carbon bar table
Damping and moistening effect are played in face, fully avoid the cracking caused by drying and hitting vibration easily during carbon slipper use
Phenomenon, preferably increase the service life.Wherein, if the temperature too high residence time it is long easily to cause carbon bar to be boiled bad, cause
Bulk strength reduces, and causes to be difficult to excellent the effect above if the temperature too low residence time is too short.Tested through overtesting
Card optimization, main carbon bar is put into machine oil boil after the oil lamella that is obtained after 70-80 DEG C of inside holding stops 65 hours can be most
Ensure to big degree the raising of lubricant effect and crack resistence effect, and can enough ensures that main carbon bar bulk strength will not reduce and shadow
Ring product quality；Wherein machine oil is preferably 10-20 machine oil.The main carbon bar resistivity formed after oil lamella increases 1-2%, not shadow
Ring and use.
Further, after the processing of main carbon strip adoption machine oil, then in upper surface embedded groove, embedded groove are set on along its length
Fixed setting bonding jumper is embedded in, bonding jumper upper end face and main carbon bar upper end face flush and collectively form contact electric power receiving surface.
So, the mode for sampling embedded bonding jumper instead of the technique of leaching metal, due to embedded bar surface and master
Carbon bar upper end face collectively forms contact electric power receiving surface, so bonding jumper can equally improve main carbon bar electric conductivity and to improve its resistance to
Grind performance.Electric conductivity is compared than soaking the technology mode of metal simultaneously, and stability and controllability are higher, production technology it is simpler and
Security is higher.
As optimization, the embedded groove is groove in a thickness direction, and bonding jumper lower surface and main carbon bar lower surface are located at
Sustained height.So, electric conductivity preferably can be improved by embedded bonding jumper.
As optimization, the bonding jumper obtains for copper product.So have cost cheap, beneficial to manufacture, copper product surface
The advantages that sliding is good, and conductive effect is good.
As optimization, the bonding jumper is bonding jumper wide in the direction of the width, and width is 0.5-5 millimeters.The chi
If it is very little it is too small be difficult to play preferable conductive effect, cause if excessive frictional force it is excessive easily cause networking wire by
Damage.When it is implemented, it is 1-3 millimeters that more excellent width dimensions scope, which is selection, can preferably take into account improve conductive effect and
The advantages of not influenceing to contact the sliding contact effect of electric power receiving surface and networking wire.
As optimization, the bonding jumper is two along center symmetric setting in the direction of the width.So, can be preferably
Improve conductive effect and prevent networking wire to be damaged.
As optimization, the main carbon bar lower end sets tracheae along its length, and the both ends of tracheae are passed down through aluminium support and formed
Air pipe interface simultaneously is used to connect pressure test device, and the depth for being arranged at intervals ring cutting formation on tracheae outer surface along its length is small
In the rings cut of tracheae thickness；The bonding jumper is segmentation structure in the longitudinal direction, and gap is left between every section of bonding jumper,
Interstitial site between adjacent metal bar is consistent with rings cut position correspondence on tracheae.
So, the tracheae of setting and pressure test device form pantograph safeguard protection together with current collecting bow lifting device
System so that during pantograph use, if run into when obstacle hits, main carbon bar and network conductors contact position by
Power situation increases suddenly, and tracheae can be caused to be disconnected at rings cut and lost heart, after then pressure test device detects that air pressure reduces,
Realization protection is declined in time with regard to control pantograph.But existing pantograph safety system, because main carbon bar is molten metal leaching
Enter formula structure, molten metal immerses effect and is difficult to accurately control, and usually because molten metal immersion is uneven, causes main carbon bar surface hard
Spend inconsistent.Position be so impacted when being main carbon bar case hardness higher position, just can frequently result in main carbon bar can not split
And make it that tracheae can not lose heart in time, cause to realize drop bow protection, and conventional shake may also occur in the poor place of hardness
Situation already discouraged, influences train normal operation in the case of dynamic.And after employing said structure improvement, every section of gold can be caused
Gap inner end between category bar is consistent to the distance between rings cut position and material on corresponding tracheae, accurately ensures to lead
The impact protector effect of any position reaches requirement on carbon bar length direction so that when the strength that is impacted is more than preset value, hits
The tracheal circular incision and rings cut of position correspondence can split to the main carbon bar between corresponding metal interspace outwards to lose heart, real
Now drop bow protection, improves security.
Preferably, a bonding jumper is made up of 68 sections of bonding jumpers, every section of bonding jumper length is grown for 3cm.
So, the gap quantity between bonding jumper corresponds to consistent with tracheal circular incision quantity, can ensure to hit well
Discouraged effect.
As optimization, upward groove is set along its length, the tracheae sealing is embedded in the middle part of main carbon bar lower surface
In groove.The setting of tracheae can so be facilitated.
In summary, the present invention, which has, can reduce main carbon bar operating friction resistance, improve anti-cracking ability, it is possible to increase
Main carbon bar electric conductivity, and, easy making process and safety, stable and reliable product quality the advantages that simple with technique.
Brief description of the drawings
Fig. 1 is the structural representation of pantograph carbon slide in the embodiment of the present invention, in figure ellipse place be section view state with
Air pipe structure inside display.
Fig. 2 is the structural representation after individually amplifying in Fig. 1 at ellipse.
Fig. 3 is the schematic diagram of independent main carbon bar in Fig. 1.
Fig. 4 is Fig. 3 top view.
Fig. 5 is Fig. 3 left sectional view.
Schematic diagram when Fig. 6 is generation oil lamella.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment：Participate in Fig. 6；A kind of main carbon bar structure preparation method of pantograph carbon slide, including using carbon dust
The step of incorporation asphalt material is well mixed and suppresses to obtain main carbon bar, and main carbon strip adoption bonding mode is fixedly installed on
Step in aluminium support, it is characterised in that after main carbon bar shaping, be put into machine oil after boiling and stop 48- in 65-85 DEG C of inside holding
72 hours.
So, through the above method, main carbon bar upper surface can be made to generate one layer of oil lamella.So, oil lamella can be relied on
Friction friction is preferably reduced, improves sliding effect.
Oil lamella is prepared through aforesaid way, fluid molecule can be caused to combine the week for being attached to main carbon bar surface carbon particle
Enclose, be greatly enhanced the sliding friction effect of main carbon bar surface carbon particle so that main carbon bar Surface Creation is by carbon particle and fluid
The film lubrication layer that molecule combines to form, reduces frictional resistance so that slip between main carbon bar and netting twine more it is smooth simultaneously
Protective effect is formed to netting twine, fretting wear is preferably avoided, increases the service life.Simultaneously by above-mentioned time and the guarantor of temperature
After temperature processing, additionally it is possible to it is filled into further such that machine oil immerses in the Minute pores gap of main carbon bar surface portion material, can
So that supplement is lost to the fluid molecule of film lubrication layer as during use, while main carbon bar surface can also so be played
Damping and moistening effect, the cracking phenomena caused by drying and hitting vibration easily during carbon slipper use is fully avoided,
Preferably increase the service life.Wherein, if the temperature too high residence time it is long easily to cause carbon bar to be boiled bad, cause overall strong
Degree reduces, and causes to be difficult to excellent the effect above if the temperature too low residence time is too short.Optimize by verification experimental verification,
Main carbon bar is put into machine oil boil after the oil lamella that is obtained after 70-80 DEG C of inside holding stops 65 hours can be farthest
Ensure the raising of lubricant effect and crack resistence effect, and can enough ensures that main carbon bar bulk strength will not reduce and influence product matter
Amount；Wherein machine oil is preferably 10-20 machine oil.The main carbon bar resistivity formed after oil lamella increases 1-2%, does not influence to use.
Simultaneously southern area due to temperature it is higher, it is preferred to use No. 10 machine oil, northern area temperature it is relatively low preferably use 20
Number machine oil, the effect of generation oil lamella can be better ensured that.
During implementation, slotted again after generation oil lamella can first being prepared on main carbon bar and bonding jumper is set, obtain Fig. 1-5 institutes
The main carbon bar structure shown.
Wherein, the main upper surface of carbon bar 2 is provided with embedded groove on along its length, and embedded groove, which is embedded in, is fixedly installed metal
Bar 3, the upper end face of bonding jumper 3 and the main upper end face of carbon bar 2 flush and collectively form contact electric power receiving surface.
So, the mode for sampling embedded bonding jumper instead of the technique of leaching metal, due to embedded bar surface and master
Carbon bar upper end face collectively forms contact electric power receiving surface, so bonding jumper can equally improve main carbon bar electric conductivity and to improve its resistance to
Grind performance.Electric conductivity is compared than soaking the technology mode of metal simultaneously, and stability and controllability are higher, production technology it is simpler and
Security is higher.
Wherein, the embedded groove is groove, the lower surface of bonding jumper 3 and the main lower surface of carbon bar 2 in a thickness direction positioned at same
One height.So, electric conductivity preferably can be improved by embedded bonding jumper.Certainly when it is implemented, embedded groove lower end
Keep on file, bonding jumper is wrapped in embedded groove and the enforceable mode of the application, but this electric conductivity lifting effect is relatively
Difference.
Wherein, the bonding jumper 3 obtains for copper product.So have cost cheap, beneficial to manufacture, copper product surface is slided
The advantages that property is good, and conductive effect is good.Certainly, when it is implemented, using other metal materials, it is enforceable to fall within the application
Scope.
Wherein, the bonding jumper 3 is bonding jumper wide in the direction of the width, and width is 0.5-5 millimeters.The size is such as
Fruit is too small to be difficult to play preferable conductive effect, causes frictional force is excessive easily to cause networking wire to be damaged if excessive.Tool
When body is implemented, more excellent width dimensions scope is that selection is 1-3 millimeters, can preferably take into account and improve conductive effect and do not influence
The advantages of sliding contact effect of contact electric power receiving surface and networking wire.
Wherein, the bonding jumper 3 is two along center symmetric setting in the direction of the width.So, can preferably carry
Highly conductive effect simultaneously prevents networking wire to be damaged.
Wherein, the main lower end of carbon bar 2 is provided with tracheae 4 along its length, and the both ends of tracheae 4 are passed down through aluminium support and formed
Air pipe interface 5 simultaneously is used to connect pressure test device, is arranged at intervals with the depth of ring cutting formation on the outer surface of tracheae 4 along its length
Rings cut of the degree less than tracheae thickness；The bonding jumper 3 is segmentation structure in the longitudinal direction, is left between every section of bonding jumper
Gap, the interstitial site between adjacent metal bar are consistent with rings cut position correspondence on tracheae.
So, the tracheae of setting and pressure test device form pantograph safeguard protection together with current collecting bow lifting device
System so that during pantograph use, if run into when obstacle hits, main carbon bar and network conductors contact position by
Power situation increases suddenly, and tracheae can be caused to be disconnected at rings cut and lost heart, after then pressure test device detects that air pressure reduces,
Realization protection is declined in time with regard to control pantograph.But existing pantograph safety system, because main carbon bar is molten metal leaching
Enter formula structure, molten metal immerses effect and is difficult to accurately control, and usually because molten metal immersion is uneven, causes main carbon bar surface hard
Spend inconsistent.Position be so impacted when being main carbon bar case hardness higher position, just can frequently result in main carbon bar can not split
And make it that tracheae can not lose heart in time, cause to realize drop bow protection, and conventional shake may also occur in the poor place of hardness
Situation already discouraged, influences train normal operation in the case of dynamic.And after employing said structure improvement, every section of gold can be caused
Gap inner end between category bar is consistent to the distance between rings cut position and material on corresponding tracheae, accurately ensures to lead
The impact protector effect of any position reaches requirement on carbon bar length direction so that when the strength that is impacted is more than preset value, hits
The tracheal circular incision and rings cut of position correspondence can split to the main carbon bar between corresponding metal interspace outwards to lose heart, real
Now drop bow protection, improves security.
Wherein, a bonding jumper 3 is made up of 68 sections of bonding jumpers, and every section of bonding jumper length is grown for 3cm.
So, the gap quantity between bonding jumper corresponds to consistent with tracheal circular incision quantity, can ensure to hit well
Discouraged effect.
Wherein, upward groove 6 is provided with the middle part of main carbon bar lower surface along its length, the tracheae sealing is embedded in recessed
In groove.The setting of tracheae can so be facilitated.
Claims (10)
1. a kind of main carbon bar structure preparation method of pantograph carbon slide, including be well mixed and press using carbon dust incorporation asphalt material
The step of main carbon bar is made, and the step main carbon strip adoption bonding mode being fixedly installed in aluminium support, it is characterised in that
After main carbon bar shaping, it is put into machine oil after boiling and stops 48-72 hours in 65-85 DEG C of inside holding.
A kind of 2. main carbon bar structure preparation method of pantograph carbon slide as claimed in claim 1, it is characterised in that holding temperature
For in 70-80 DEG C, the insulation residence time is 65 hours.
3. a kind of main carbon bar structure preparation method of pantograph carbon slide as claimed in claim 1, it is characterised in that machine oil is
10-20 machine oil.
4. a kind of main carbon bar structure preparation method of pantograph carbon slide as claimed in claim 1, it is characterised in that main carbon bar is adopted
After being handled with machine oil, then embedded groove is set in upper surface, embedded groove is embedded in fixed setting bonding jumper, metal on along its length
Bar upper end face and main carbon bar upper end face flush and collectively form contact electric power receiving surface；
The embedded groove is groove in a thickness direction, and bonding jumper lower surface and main carbon bar lower surface are located at sustained height.
A kind of 5. main carbon bar structure preparation method of pantograph carbon slide as claimed in claim 4, it is characterised in that the metal
Bar obtains for copper product.
A kind of 6. main carbon bar structure preparation method of pantograph carbon slide as claimed in claim 5, it is characterised in that the metal
Bar is bonding jumper wide in the direction of the width, and width is 0.5-5 millimeters.
A kind of 7. main carbon bar structure preparation method of pantograph carbon slide as claimed in claim 6, it is characterised in that the metal
Bar is two along center symmetric setting in the direction of the width.
A kind of 8. main carbon bar structure preparation method of pantograph carbon slide as claimed in claim 4, it is characterised in that the main carbon
Bar lower end sets tracheae along its length, and the both ends of tracheae are passed down through aluminium support and form air pipe interface and for connecting air pressure detection
Device, the depth for being arranged at intervals ring cutting formation on tracheae outer surface along its length are less than the rings cut of tracheae thickness；The gold
It is segmentation structure in the longitudinal direction to belong to bar, leaves gap between every section of bonding jumper, the interstitial site between adjacent metal bar
It is consistent with rings cut position correspondence on tracheae.
A kind of 9. main carbon bar structure preparation method of pantograph carbon slide as claimed in claim 8 a, it is characterised in that metal
Bar is made up of 68 sections of bonding jumpers, and every section of bonding jumper length is grown for 3cm.
A kind of 10. main carbon bar structure preparation method of pantograph carbon slide as claimed in claim 4, it is characterised in that main carbon bar
Upward groove is set along its length in the middle part of lower surface, and the tracheae sealing is embedded in groove.
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|---|---|---|---|
| CN201711098222.1A CN107856541B (en) | 2017-11-09 | 2017-11-09 | Preparation method of main carbon strip structure of pantograph carbon slide plate |
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|---|---|---|---|
| CN201711098222.1A CN107856541B (en) | 2017-11-09 | 2017-11-09 | Preparation method of main carbon strip structure of pantograph carbon slide plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108556635A (en) * | 2018-05-31 | 2018-09-21 | 北京万高众业科技股份有限公司 | A kind of pantograph carbon slide and preparation method thereof |
| CN112793426A (en) * | 2021-02-24 | 2021-05-14 | 华东交通大学 | Antifriction and wear-resistant pantograph suitable for bidirectional running |
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| CN108556635A (en) * | 2018-05-31 | 2018-09-21 | 北京万高众业科技股份有限公司 | A kind of pantograph carbon slide and preparation method thereof |
| CN112793426A (en) * | 2021-02-24 | 2021-05-14 | 华东交通大学 | Antifriction and wear-resistant pantograph suitable for bidirectional running |
| CN112793426B (en) * | 2021-02-24 | 2022-09-02 | 华东交通大学 | Antifriction and wear-resistant pantograph suitable for bidirectional running |
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| Publication number | Publication date |
|---|---|
| CN107856541B (en) | 2020-09-01 |
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