CN104709094B - A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan - Google Patents
A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan Download PDFInfo
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- CN104709094B CN104709094B CN201510157350.3A CN201510157350A CN104709094B CN 104709094 B CN104709094 B CN 104709094B CN 201510157350 A CN201510157350 A CN 201510157350A CN 104709094 B CN104709094 B CN 104709094B
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Abstract
The present invention relates to a kind of carbon-fiber reinforced carbon integration pantograph pan.Described pantograph pan includes slide block (1), bracket (5), air flue (3)；Described bracket (5), the material of slide block (1) are C/C composite；In this pantograph pan, carbon-fiber reinforced carbon slide block (1) is bonded on bracket (5)；The groove offered along its length of at least one in described carbon-fiber reinforced carbon slide block (1) and bracket (5), and this groove is located at carbon-fiber reinforced carbon slide block (1) and the joint of bracket (5), cell wall in the recessing of carbon-fiber reinforced carbon slide block (1) institute is bonded with refractory seals layer (2), when carbon-fiber reinforced carbon slide block (1) bonding with bracket (5) integral time, refractory seals layer (2) and bracket (5) form a prompt drop fast with pantograph and bend the air flue (3) that the air flue of device is connected.
Description
Technical field
The present invention relates to a kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan；Belong to electric vehicle
Equipment preparing technical field.
Background technology
One of high-speed electric railway key technology be how to ensure to have under the conditions of high-speed cruising good by liquid
Amount, i.e. keeps stable dynamically being flowed when train high-speed cruising.Significantly lifting, operation along with the bullet train speed of service
Environment and the huge change of bow net architectural characteristic, bullet train keeps stable current carrying quality to propose pantograph pan higher
Technology requirement.
At present, French TGV called, Germany's high-speed railway such as JLH and Spain KOH all use pure carbon slipper, metal-impregnated carbon slide
And composite carbon-copper material slide plate is as Material for Pantograph Slide.Pure carbon slipper poor impact toughness, self abrasion are seriously.And apply
Impact resistance for metal-impregnated carbon slide widely is poor, easily falls block, and the purer carbon slipper of adhesive wear to copper contact line conducting wire
Serious a lot.Additionally, complicated process of preparation, selling at exorbitant prices, produce and maintenance cost is the highest.Carbon fibre reinforced composite by
In have resistivity design strong, than the highest, proportion is little, mechanical property good, the little and corrosion resistant candle property to the abrasion of contact wire
Advantage can be waited well, become the ideal material of high-performance pantograph pan.
Chinese invention patent CN1468891A discloses a kind of carbon fiber reinforced slide plate for pantograph of electric locomotive, uses
Chopped carbon fiber is reinforcing material, and graphite, electrolytic copper powder/copper fiber is conductive filler, and high temperature resistant new modified phenolic resin is
Binding agent, through hot-forming.This Material for Pantograph Slide resistivity is little, impact resistance is higher, and friction and wear behavior is good, docking
Touch the wire degree of wear little, but mechanical strength is the highest, and complicated process of preparation.Chinese invention patent CN1178745A discloses
Electric locomotive pantograph sliding plate prepared by a kind of carbon fiber reinforced carbon matrix composite, with copper facing powdered carbon as matrix material, short carbon
Fiber is reinforcing agent, and thermosetting resin is binding agent, through colding pressing and hot-press solidifying shaping.This Material for Pantograph Slide friction mill
Damage performance is good, little to the contact wire degree of wear, but mechanical strength is the highest.Chinese invention patent application number
200710017899.8 disclose a kind of charcoal/charcoal pantograph pan in use for electric locomotive, with needled non-woven cloth as precast body, through chemistry
After vapor deposition pyrolytic carbon, then it is higher than 1.7g/cm by the densification repeatedly of resin Impregnation carbonization process to density3, finally machine
Obtain slide plate.This Material for Pantograph Slide preparation technology is simple, compressive strength is high, impact resistance is preferable, but mechanical strength
The highest.
Up to the present, yet there are no the pantograph pan using C/C composite as bracket.
Summary of the invention
The present invention is directed to the shock resistance energy that pure carbon slipper, carbon fiber reinforced slide plate and metal-impregnated carbon slide slide plate exist
The problems such as power is low, security is bad, it is provided that a kind of simple in construction, security are good, shock resistance and the fibre reinforced of high connductivity
Carbon integration pantograph pan；Meanwhile, this pantograph pan can also ensure in the case of not reducing bow net contact pressure soon
Prompt drop bends the properly functioning of device.
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described pantograph pan
Including slide block (1), bracket (5), air flue (3)；It is characterized in that: described bracket (5), the material of slide block (1) are C/C composite wood
Material；In described slide block (1) and bracket (5) both parts, at least one parts is provided with on the composition surface of the two along its length
Article one, groove,
When groove is only opened on slide block (1), the cell wall of described groove has been provided with the first refractory seals layer (2a)；
The end face that described bracket (5) combines with slide block (1) is provided with the 4th refractory seals layer (4a)；To carry fluted and first resistance to
The slide block (1) of elevated-temperature seal layer (2a) and be provided with that to constitute pantograph after the bracket (5) of the 4th refractory seals layer (4a) assembles sliding
Plate, in described pantograph pan, the first refractory seals layer (2a) and the 4th refractory seals layer (4a) constitute the gas of air flue (3)
Road wall；
When groove is only opened on bracket (5), the cell wall of described groove is provided with the 5th refractory seals layer (4b)；Institute
State the bottom surface that slide block (1) combines with bracket (5) and be provided with the second refractory seals layer (2b)；Fluted and the 5th resistance to height will be carried
Temperature sealant (4b) bracket (5) and be provided with the second refractory seals layer (2b) slide block (1) assemble after composition pantograph pan,
In described pantograph pan, the second refractory seals layer (2b) and the 5th refractory seals layer (4b) constitute the air flue of air flue (3)
Wall；
When being equipped with groove on bracket (5) with slide block (1), the groove of slide block (1) is the first groove (6a), described first
The cell wall of groove (6a) is provided with the 3rd refractory seals layer (2c)；The groove of bracket (5) is the second groove (6b), described second
The cell wall of groove (6b) is provided with the 6th refractory seals layer (4c)；Will be with the first groove (6a), the 3rd refractory seals layer
(2c) slide block (1) constitutes pantograph after assembling with the bracket (5) with the second groove (6b), the 6th refractory seals layer (4c)
Slide plate；State the airway walls of air flue in pantograph pan (3) by the 3rd refractory seals layer (2c) and the 6th refractory seals layer
(4c) constitute.
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described assembling is: logical
Cross high temperature resistant bonded adhesives or high temperature resistant conductive adhesive be gluing connects so that slide block (1) and bracket (5) constitute described in pantograph sliding
Plate；In described pantograph pan, bracket (5) is embedded in slide block (1) or slide block (1) is embedded in bracket (5).
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described first high temperature resistant
Sealant (2a), the second refractory seals layer (2b), the 3rd refractory seals layer (2c), the 4th refractory seals layer (4a),
Five refractory seals layers (4b), the material of the 6th refractory seals layer (4c) are selected from the silicon rubber of resistance to 100 DEG C of high temperature above, ternary
One in EP rubbers, fluorubber, TPV, polytetrafluoroethylene (PTFE).
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described first high temperature resistant
Sealant (2a) is identical with the material of the 4th refractory seals layer (4a).
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described second high temperature resistant
Sealant (2b) is identical with the material of the 5th refractory seals layer (4b).
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described 3rd high temperature resistant
Sealant (2c) is identical with the material of the 6th refractory seals layer (4c).
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；When groove is only opened in
When slide block (1) is upper, the first refractory seals layer (2a) by high temperature resistant bonded adhesives or high temperature resistant conductive adhesive gluing be connected on described
On the cell wall of groove.
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；When groove is only opened in
When slide block (1) is upper, described 4th refractory seals layer (4a) is by high temperature resistant bonded adhesives or high temperature resistant conductive adhesive is gluing is connected on
On the end face that bracket (5) combines with slide block (1) in advance.
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；
When groove is only opened on bracket (5), the 5th refractory seals layer (4b) passes through high temperature resistant bonded adhesives or resistance to height
On the temperature gluing cell wall being connected on described groove of conductive adhesive.
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；
When groove be only opened in bracket (5) upper time, described refractory seals layer (2b) by by high temperature resistant bonded adhesives or
High temperature resistant conductive adhesive is gluing to be connected on the bottom surface that described slide block (1) combines with bracket (5) in advance.
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；
When being equipped with groove on bracket (5) with slide block (1), the 3rd refractory seals layer (2c) passes through high temperature resistant bonded adhesives
Or on the high temperature resistant gluing cell wall being connected on described first groove (6a) of conductive adhesive；6th refractory seals layer (4c) passes through resistance to height
On temperature bonded adhesives or the gluing cell wall being connected on described second groove (6b) of high temperature resistant conductive adhesive.
Described high temperature resistant bonded adhesives is at least one in Epoxy resin adhesive, acrylic type glue and polyurethane adhesive.Excellent
Elect at least one in Epoxy resin adhesive bonded adhesives, acrylic type glue and the polyurethane adhesive of resistance to more than 100 DEG C as.
Epoxy resin adhesive bonded adhesives, acrylic type glue and the polyurethane adhesive of described resistance to more than 100 DEG C is selected from one-component
Epoxy resin adhesive, bicomponent epoxy resin bonded adhesives, many component epoxide resins bonded adhesives, bi-component acrylic type glue and double
One in component polyurethane adhesive.Its model is DP100, DP270, DP420, DP-105, DP-125, DP-190, DP-
100PLUS、DP-420、DP-460、DP-4XL、DP805、DP810、DP820、DP818、DP-8005、DP-8010、DP605、
DP640,3532,3549,2214, at least one in EW2020.
Described high temperature resistant conductive adhesive glue is the high temperature resistant conductive adhesive glue commonly used in existing carbon slipper preparation process.Its
It is specifically as follows the one in high temperature resistant cupric powder conductive adhesive, high temperature resistant silver cupric powder conductive adhesive and high temperature resistant sliver-powder conducting glue.Preferably
For the heat resist modification epoxies of resistance to more than 100 DEG C and phenolic aldehyde cupric powder conductive adhesive, heat resist modification epoxy cupric powder conductive adhesive, copper powder electricity
Electronic conduction glue, heat resist modification epoxy and phenolic aldehyde silver cupric powder conductive adhesive, silver powder electronic conduction glue, epoxy type conductive silver glue；Its type
Number it is TD-8814, TD-8816, DB2014, YH-2004, YH-A011, YH-2010, DB2018, DB5015, TD-8810, TD-
8815, at least one in ZB25625, DB2013, DB2024, DB2016, YH-2008, YH-2003, YH-2005.
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described slide block (1), torr
By in carbon fiber and pyrolytic carbon, resin carbon, bitumencarb, at least one forms frame (5).
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described fibre reinforced
The density of carbon slide block (1) is 1.75～1.90g/cm3。
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described fibre reinforced
Compression strength >=the 160MPa of carbon slide block (1), rupture strength >=110MPa, impact flexibility >=2.5J/cm2, resistivity≤31 μ
Ω·m。
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；
The preparation method of described slide block (1) and bracket (5) comprises the following steps:
Step one
It is 0.30～0.60g/cm with density3Carbon fibe precast body is raw material；Under protective atmosphere, in 1500～2100 DEG C
After being heat-treated 3～10 hours, carrying out Carbon deposition and obtaining density is 1.0～1.6g/cm3C/C porous body；
Step 2
By step one gained C/C porous body, processed by polymer impregnated-carbonization technique, until obtaining density is 1.60
～1.90g/cm3Preform；
Step 3
Under protective atmosphere, in 1800～3000 DEG C, step 2 gained preform is carried out graphitization processing 2～5 hours
After, by the dimensioned of design, respectively obtain described carbon-fiber reinforced carbon slide block (1) and bracket (5).
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；Described pantograph pan
Also include metallic conduction net (6)；After described metallic conduction net (6) is assembled, it is positioned on the contact surface of slide block (1) and bracket (5).
Described metallic conduction net (6) does not passes through air flue (3).
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；
The material of described conductive metal mesh (6) is preferably the one in copper, aluminium, preferably copper.
One high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan of the present invention；
The shape of the cross section of described air flue (3) is in square, semicircle, trapezoidal, circular, oval, polygon
At least one.
The present invention compared with prior art, its advantage with have the active effect that
1. the inwall of the air flue (3) designed by the present invention is by the first refractory seals layer (2a) and the 4th refractory seals layer
(4a) or the second refractory seals layer (2b) and the 5th refractory seals layer (4b) or the 3rd refractory seals layer (2c) and the 6th
Refractory seals layer (4c) forms；So which obviating use copper pipe or the copper sheet air flue shadow to pantograph automatic bow-lowering sensitiveness
Ringing, this air passage structure can alleviate the overall weight of pantograph pan, and sealing strip handling ease, manufacturing process are simple, group
Dress is convenient, good seal performance, it is thus possible to improve the security of pantograph pan.
2. slide block (1) and bracket (5) all select such to have the increasing of the carbon fiber of high connductivity, impact resistance and excellent in mechanical performance
Strong material with carbon element, therefore not only solve carbon slide block and aluminium bracket because of the difference at thermal coefficient of expansion, resistivity and interface bring one
Series of problems, and simplify the structure of pantograph pan, it is ensured that the impact resistance that pantograph pan is overall, effectively protect
Conductive line surfaces is not worn thus extends the service life of wire and carbon slipper.
3. the present invention selects and has the carbon fiber reinforced carbon materials of good mechanical property and electric conductivity as pantograph
The preferred material of slide plate.Carbon fiber improves the mechanical performance of carbon slipper, and light weight, and coefficient of friction is little, and fusing point is high and resistance to electricity
Arc weares and teares, and can reduce the infringement to contact net.And the preparation technology of the carbon fiber reinforced carbon materials by optimizing, the most logical
Cross Carbon fibe precast body raw material, and preform graphitizable high temperature treatment temperature and the optimization of heat treatment time, and then improve
The density of carbon fiber carbon material, compression strength and rupture strength, and utilize high temperature (high temperature of particularly more than 2600 DEG C) with reality
Show graphite by unordered to ordering transition, thus realize high toughness and the electric conductivity of carbon-fiber reinforced carbon slide block.Optimize
The density for electric vehicle pantograph pan carbon fiber carbon slide block obtained after technique is 1.75～1.85g/cm3, pressure resistance
Degree >=160MPa, rupture strength >=110MPa, impact flexibility >=2.5J/cm2, resistivity≤31 μ Ω m, table 1 is for being respectively adopted
The performance indications of C/C composite prepared by traditional handicraft and this patent technique.With reference to national standard, " EMUs carbon slipper is provisional
Technical conditions, standard technological document numbering (TJ/CL 328-201) ", carbon-fiber reinforced carbon slide block prepared by the present invention reaches
To and be better than country's performance standard to the EMUs carbon slipper of speed per hour 350km/h and following speed class, specific performance index
It is shown in Table 2.Therefore, this carbon-fiber reinforced carbon pantograph pan has good mechanical property and electric conductivity.
Table 1 uses the performance indications of C/C composite prepared by traditional handicraft and this patent technique
The performance indications of the EMUs carbon slipper of table 2 China's speed per hour 350km/h and following speed class
Accompanying drawing explanation
Fig. 1 is groove when being only opened in slide block (1), the structural representation of designed pantograph pan；
Fig. 2 be groove be only opened in bracket (5) upper time, the structural representation of designed pantograph pan；
Fig. 3 is when being equipped with groove on bracket (5) with slide block (1), the structural representation of designed pantograph pan.
In Fig. 1,1 is C/C composite slipper；2a is the first refractory seals layer；3 is air flue, 4a for be located at bracket with
The 4th refractory seals layer on the end face that slide block combines；5 is C/C composite carrier；6 is conductive metal mesh；7 for being located at
Groove on slide block.As can be seen from Figure 1: when groove be only opened in slide block (1) upper time, the cell wall of described groove is provided with the
One refractory seals layer 2a；The end face that described bracket (5) combines with slide block (1) is provided with the 4th refractory seals layer (4a)；
By with the fluted and slide block (1) of the first refractory seals layer (2a) and the bracket (5) that is provided with the 4th refractory seals layer (4a)
Pantograph pan, the first refractory seals layer (2a) and the 4th refractory seals layer in described pantograph pan is constituted after assembling
(4a) airway walls of air flue (3) is constituted.
In Fig. 2,1 is C/C composite slipper；2b is that be arranged on slide block faying face pre-with bracket second is high temperature resistant close
Sealing；3 is air flue；4b is the 5th refractory seals layer being arranged on bracket institute band groove cell wall；5 is C/C composite torr
Frame；7a is the groove being arranged on bracket；G is the cell wall of groove.As can be seen from Figure 2: when groove is only opened in bracket (5)
Time upper, the cell wall (G) of described groove (7a) has been provided with the 5th refractory seals layer (4b)；Described slide block (1) and bracket (5) phase
In conjunction with bottom surface be provided with refractory seals layer (2b)；Will with the fluted and bracket (5) of the 5th refractory seals layer (4b) and
Constituting pantograph pan after being provided with slide block (1) assembling of the second refractory seals layer (2b), in described pantograph pan, second is resistance to
Elevated-temperature seal layer (2b) and the 5th refractory seals layer (4b) constitute the airway walls of air flue (3).
In Fig. 3,1 is C/C composite slipper；2c is the 3rd refractory seals being arranged on slide block institute band groove cell wall
Layer；3 is air flue；4c is the 6th refractory seals layer being arranged on bracket institute band groove cell wall；5 is C/C composite carrier；
6a is to arrange the first groove on slide block；6b is the second groove being arranged on bracket；7b is the cell wall of the second groove 6b；From figure
3 it can be seen that when being equipped with groove on bracket (5) and slide block (1), the groove of slide block (1) is the first groove (6a), described the
The cell wall of one groove (6a) is provided with the 3rd refractory seals layer (2c)；The groove of bracket (5) is (6b), described second groove
(6b) cell wall is provided with the 6th refractory seals layer (4c)；Will be with the first groove (6a), the 3rd refractory seals layer (2c)
Slide block (1) assemble with the bracket (5) with the second groove (6b), the 6th refractory seals layer (4c) after to constitute pantograph sliding
Plate；State the airway walls of air flue in pantograph pan (3) by the 3rd refractory seals layer (2c) and the 6th refractory seals layer (4c)
Constitute.
Detailed description of the invention
Below in conjunction with the accompanying drawing of the present invention, technical scheme is clearly and completely described, it is clear that retouched
The embodiment stated is only a part of embodiment in technical scheme described in the present invention rather than whole embodiments.Based on
Embodiments of the invention, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into protection scope of the present invention.
In the embodiment of the present invention, the preparation technology of carbon-fiber reinforced carbon slide block (1) is:
(1) needle point method prepares Carbon fibe precast body, and obtaining density is 0.30～0.60g/cm3Carbon fibe precast body；
(2) 1500～2100 DEG C are heat-treated 3～10 hours；
(3) chemical vapor infiltration process deposits pyrolytic carbon, obtaining density is 1.6～1.9g/cm3Preform；
(4) density repeatedly of polymer impregnated-charring process is to density >=1.6g/cm3；
(5) 1800～3000 DEG C are heat-treated 2～5 hours, and obtaining density is 1.75～1.90g/cm3Carbonaceous material, and
By the dimensioned of design, obtain described carbon-fiber reinforced carbon slide block (1).
In embodiment, high temperature resistant conductive adhesive glue used is heat resist modification epoxy and phenolic aldehyde cupric powder conductive adhesive, and its model is
TD-8814。
In embodiment, high temperature resistant bonding glue used is the Epoxy resin adhesive bonded adhesives of resistance to more than 100 DEG C, and its model is
DP820。
Embodiment 1
Structure as designed by Fig. 1 prepares carbon-fiber reinforced carbon integration pantograph pan；
In this embodiment, the first refractory seals layer (2a), the material of the 4th refractory seals layer (4a) are silicon rubber；
A kind of carbon-fiber reinforced carbon pantograph pan as shown in Figure 1, this pantograph pan include slide block (1), bracket (5),
Air flue (3)；This bracket (5), the material of slide block (1) are C/C composite (all being prepared) by such scheme；This slide block (1)
On, pre-engaging with bracket (5) is provided with a groove (7) along its length on face, it is resistance to that the cell wall of this groove has been provided with first
Elevated-temperature seal layer (2a)；The end face that this bracket (5) combines with slide block (1) is provided with the 4th refractory seals layer (4a)；Will band
Fluted and the slide block (1) of the first refractory seals layer (2a) and be provided with the bracket (5) of the 4th refractory seals layer (4a) and assemble
Rear composition pantograph pan, the first refractory seals layer (2a) and the 4th refractory seals layer (4a) structure in described pantograph pan
Become the airway walls of air flue (3).
Use silastic sealing strip in this embodiment, be processed into described sealant by design.Then TD-8814 is passed through
It is bonded on the cell wall of 7 and on the pre-face docked with slide block 1 of bracket 5.
After assembling, conductive metal mesh 6 will not run through air flue 3；And between bracket and slide block.
The cross sectional shape of air flue 3 is square.
Embodiment 2
Structure as designed by Fig. 2 prepares carbon-fiber reinforced carbon integration pantograph pan；
In this embodiment, refractory seals bar (2b), the material of refractory seals bar (4b) are ethylene propylene diene rubber；
As in figure 2 it is shown, a kind of carbon-fiber reinforced carbon pantograph pan, this pantograph pan include slide block (1), bracket (5),
Air flue (3)；This bracket (5), the material of slide block (1) are C/C composite (all being prepared) by such scheme；This bracket (5)
Pre-engaging with slide block (1) is provided with a groove (7a) along its length on face, the cell wall (G) of this groove is provided with the 5th resistance to height
Temperature sealant (4b)；The bottom surface that slide block (1) combines with bracket (5) is provided with refractory seals layer (2b)；To carry fluted
(7a) and the 5th refractory seals layer (4b) bracket (5) and be provided with the second refractory seals layer (2b) slide block (1) assembling after
Constituting pantograph pan, in this pantograph pan, the second refractory seals layer (2b) and the 5th refractory seals layer (4b) constitute gas
The airway walls in road (3).
Use EPT rubber packing bar in this embodiment, be processed into described sealant by design.Then pass through
On the face that DP820 is bonded on the cell wall G of 7a and slide block 1 docks with bracket 5 in advance.
In this embodiment, the cross sectional shape of air flue 3 is long arc shape.
Embodiment 3
Structure as designed by Fig. 3 prepares carbon-fiber reinforced carbon integration pantograph pan；
In this embodiment, refractory seals bar (2c), the material of refractory seals bar (4c) are fluorubber；
A kind of carbon-fiber reinforced carbon pantograph pan as shown in Figure 3, this pantograph pan include slide block (1), bracket (5),
Air flue (3)；This bracket (5), the material of slide block (1) are C/C composite (all being prepared) by such scheme；On this slide block 1
Being provided with the first groove 6a, the cell wall of groove 6a is bonded with refractory seals layer 2c by TD-8814, this bracket 5 is provided with
Two groove 6b, the cell wall of the second groove 6b is that 7b, 7b are upper is bonded with refractory seals layer 4c by TD-8814, will carry fluted,
6a, slide block 1 and the bracket 5 with fluted 6b, refractory seals layer 4c of refractory seals layer 2c use TD-8814 bonding to assemble
Rear composition pantograph pan；In this pantograph pan, the airway walls of air flue (3) is resistance to by the 3rd refractory seals layer (2c) and the 6th
Elevated-temperature seal layer (4c) is constituted.
In this embodiment, the cross sectional shape of air flue 3 is trapezoidal.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.
Claims (9)
1. a high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan, described pantograph pan includes slide block
(1), bracket (5), air flue (3)；It is characterized in that: described bracket (5), the material of slide block (1) are C/C composite；Described
In slide block (1) and bracket (5) both parts at least one parts be provided with along its length on the composition surface of the two one recessed
Groove,
When groove is only opened on slide block (1), the cell wall of described groove is provided with the first refractory seals layer (2a)；Described torr
The end face that frame (5) combines with slide block (1) is provided with the 4th refractory seals layer (4a)；To carry fluted and first high temperature resistant close
The slide block (1) of sealing (2a) and be provided with after the bracket (5) of the 4th refractory seals layer (4a) assembles and constitute pantograph pan, described
In pantograph pan, the first refractory seals layer (2a) and the 4th refractory seals layer (4a) constitute the airway walls of air flue (3)；
When groove is only opened on bracket (5), the cell wall of described groove has been provided with the 5th refractory seals layer (4b)；Described
The bottom surface that slide block (1) combines with bracket (5) is provided with refractory seals layer (2b)；Fluted and the 5th refractory seals will be carried
The bracket (5) of layer (4b) and be provided with composition pantograph pan after the slide block (1) of the second refractory seals layer (2b) assembles, described is subject to
In pantograph slider, the second refractory seals layer (2b) and the 5th refractory seals layer (4b) constitute the airway walls of air flue (3)；
When being equipped with groove on bracket (5) with slide block (1), the groove of slide block (1) is the first groove (6a), described first groove
(6a) cell wall is provided with the 3rd refractory seals layer (2c)；The groove of bracket (5) is the second groove (6b), described second groove
(6b) cell wall is provided with the 6th refractory seals layer (4c)；Will be with the first groove (6a), the 3rd refractory seals layer (2c)
Slide block (1) assemble with the bracket (5) with the second groove (6b), the 6th refractory seals layer (4c) after to constitute pantograph sliding
Plate；State the airway walls of air flue in pantograph pan (3) by the 3rd refractory seals layer (2c) and the 6th refractory seals layer (4c)
Constitute.
A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan the most according to claim 1, its
It is characterised by:
Described assembling is: by high temperature resistant bonded adhesives or high temperature resistant conductive adhesive is gluing connects so that slide block (1) and bracket (5) structure
Pantograph pan described in one-tenth；In described pantograph pan, bracket (5) is embedded in slide block (1) or slide block (1) is embedded in bracket
(5) in.
A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan the most according to claim 1, its
It is characterised by:
Described first refractory seals layer (2a), the second refractory seals layer (2b), the 3rd refractory seals layer (2c), the 4th resistance to
Elevated-temperature seal layer (4a), the 5th refractory seals layer (4b), the material of the 6th refractory seals layer (4c) are selected from resistance to more than 100 DEG C
One in the silicon rubber of high temperature, ethylene propylene diene rubber, fluorubber, TPV, polytetrafluoroethylene (PTFE).
A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan the most according to claim 1, its
It is characterised by:
Described first refractory seals layer (2a) is identical with the material of the 4th refractory seals layer (4a)；
Described second refractory seals layer (2b) is identical with the material of the 5th refractory seals layer (4b)；
Described 3rd refractory seals layer (2c) is identical with the material of the 6th refractory seals layer (4c).
A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan the most according to claim 1, its
It is characterised by:
At least one forms by carbon fiber and pyrolytic carbon, resin carbon, bitumencarb for described slide block (1), bracket (5).
A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan the most according to claim 5, its
It is characterised by:
The density of described carbon-fiber reinforced carbon slide block (1) is 1.75～1.90g/cm3。
7. according to a kind of high-speed railway EMUs carbon-fiber reinforced carbon integration described in claim 1-6 any one by electricity
Bow slide plate, it is characterised in that:
Compression strength >=the 160MPa of described carbon-fiber reinforced carbon slide block (1), rupture strength >=110MPa, impact flexibility >=
2.5J/cm2, resistivity≤31 μ Ω m.
8. according to a kind of high-speed railway EMUs carbon-fiber reinforced carbon integration described in claim 1-6 any one by electricity
Bow slide plate, it is characterised in that:
The preparation method of described slide block (1) and bracket (5) comprises the following steps:
Step one
It is 0.30～0.60g/cm with density3Carbon fibe precast body is raw material；Under protective atmosphere, at 1500～2100 DEG C of heat
After managing 3～10 hours, carrying out Carbon deposition and obtaining density is 1.0～1.6g/cm3C/C porous body；
Step 2
By step one gained C/C porous body, processed by polymer impregnated-carbonization technique, until obtain density be 1.60～
1.90g/cm3Preform；
Step 3
Under protective atmosphere, in 1800～3000 DEG C, after step 2 gained preform is carried out graphitization processing 2～5 hours, press
The dimensioned of design, respectively obtains described carbon-fiber reinforced carbon slide block (1) and bracket (5).
9. according to a kind of high-speed railway EMUs carbon-fiber reinforced carbon integration described in claim 1-6 any one by electricity
Bow slide plate, it is characterised in that: described pantograph pan also includes metallic conduction net (6)；Described metallic conduction net (6) is assembled
After, it is positioned on the contact surface of slide block (1) and bracket (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510157350.3A CN104709094B (en) | 2015-04-03 | 2015-04-03 | A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan |
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| CN201510157350.3A CN104709094B (en) | 2015-04-03 | 2015-04-03 | A kind of high-speed railway EMUs carbon-fiber reinforced carbon integration pantograph pan |
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| CN107776411B (en) * | 2017-11-27 | 2023-09-12 | 大同新成新材料股份有限公司 | Air flue integrated aluminum bracket for pantograph carbon slide plate |
| CN107916466A (en) * | 2017-11-28 | 2018-04-17 | 株洲科威铁路配件有限公司 | Carbon fibre material and preparation method and application, the method for preparation pantograph sliding block |
| CN108790833A (en) * | 2018-05-24 | 2018-11-13 | 大同新成新材料股份有限公司 | A kind of special carbon slipper preparation method of novel subway |
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| JP2817126B2 (en) * | 1992-08-28 | 1998-10-27 | 東洋電機製造株式会社 | Collector boat for current collectors for railway vehicles |
| JP2010022142A (en) * | 2008-07-11 | 2010-01-28 | Railway Technical Res Inst | Current collection material of pantograph contact strip |
| CN102085810B (en) * | 2010-12-29 | 2012-08-08 | 李丰良 | High-speed pantograph head |
| CN202685971U (en) * | 2012-06-15 | 2013-01-23 | 北京天宜上佳新材料有限公司 | T-shaped sealing strip pantograph slide plate |
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