CN104709094A - Carbon fiber enhanced carbon integrated pantograph slide plate for high-speed railway multiple units - Google Patents
Carbon fiber enhanced carbon integrated pantograph slide plate for high-speed railway multiple units Download PDFInfo
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Abstract
The invention relates to a carbon fiber enhanced carbon integrated pantograph slide plate for high-speed railway multiple units. The pantograph slide plate comprises a sliding block (1), a bracket (5) and an air flue (3), wherein the bracket (5) and the sliding block (1) are made of C/C composite materials; in the pantograph slide plate, the carbon fiber enhanced carbon sliding block (1) is adhered to the bracket (5); a groove is formed in at least one of the carbon fiber enhanced carbon sliding block (1) and the bracket (5) along the length direction and is formed in a joint of the carbon fiber enhanced carbon sliding block (1) and the bracket (5); a high-temperature resistant sealing layer (2) is adhered to the groove wall of the groove formed in the carbon fiber enhanced carbon sliding block (1); when the carbon fiber enhanced carbon sliding block (1) and the bracket (5) are adhered integrally, the air flue (3) communicated with an air flue of a fast pantograph reduction device is formed by the high-temperature resistant sealing layer (2) and the bracket (5).
Description
Technical field
The present invention relates to a kind of high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan; Belong to electric vehicle equipment preparing technical field.
Background technology
One of high-speed electric railway gordian technique how to ensure having good current carrying quality under high-speed cruising condition, namely keeps stable when train high-speed cruising and dynamically to be flowed.Along with the huge change of significantly the promoting of high speed train running velocity, running environment and bow net behavior of structure, high speed train keeps stable current carrying quality to propose higher technical requirements to pantograph pan.
At present, the high speed railway such as French TGV called, German JLH and Spain KOH all uses pure carbon slipper, metal-impregnated carbon slide and composite carbon-copper material slide plate as Material for Pantograph Slide.Pure carbon slipper poor impact toughness, self abrasion are seriously.And the impact resistance of the metal-impregnated carbon slide be most widely used is poor, easily fall block, and seriously a lot of to the purer carbon slipper of the adhesive wear of copper contact line conducting wire.In addition, complicated process of preparation, selling at exorbitant prices, produce and maintenance cost all higher.Carbon fibre reinforced composite due to have electrical resistivity designability strong, than strong high, the advantage such as proportion is little, mechanical property good, little and corrosion resistant candle performance is good to the wearing and tearing of contact wire, 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, employing chopped carbon fiber is reinforcing material, graphite, electrolytic copper powder/copper fiber is conductive filler, and high temperature resistant new modified phenolic resin is adhesive agent, through hot-forming.This Material for Pantograph Slide electrical resistivity is little, impact resistance is higher, and friction and wear behavior is good, little to contact wire degree of wear, but mechanical strength is not high, 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 material, and with copper facing powdered carbon for basis material, short carbon fiber is intensifier, and thermosetting resin is adhesive agent, shaping with hot-press solidifying through colding pressing.This Material for Pantograph Slide friction and wear behavior is good, little to contact wire degree of wear, but mechanical strength is not high yet.Chinese invention patent application numbers 200710017899.8 discloses a kind of charcoal/charcoal pantograph pan in use for electric locomotive, take needled non-woven cloth as precast body, after chemical vapor deposition pyrolytic carbon, then by resin-dipping-carbonization technique repeatedly fine and close to density higher than 1.7g/cm
3, last machinework obtains slide plate.This Material for Pantograph Slide preparation technology is simple, compression strength is high, impact resistance is better, but mechanical strength is not high.
Up to the present, yet there are no the pantograph pan adopting C/C composite material as bracket.
Summary of the invention
The problem that the present invention is directed to that the impact resistance that pure carbon slipper, carbon fiber reinforced slide plate and metal-impregnated carbon slide slide plate exist is low, safety is bad etc., provides that a kind of structure is simple, safety good, the carbon-fiber reinforced carbon integration pantograph pan of shock resistance and high connductivity; Meanwhile, this pantograph pan can also ensure the normal operation of fast prompt drop bow device when not reducing bow net contact pressure.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; Described pantograph pan comprises slide block (1), bracket (5), air flue (3); It is characterized in that: the material of described bracket (5), slide block (1) is C/C composite material; In described slide block (1) and these two parts of bracket (5), at least one parts is provided with a groove along its length on the face of joint of the two,
When groove is only opened on slide block (1), the cell wall of described groove has been provided with refractory seals layer (2a); The end face that described bracket (5) combines with slide block (1) is provided with refractory seals layer (4a); Form pantograph pan after slide block (1) with fluted and refractory seals layer (2a) and the bracket (5) that is provided with refractory seals layer (4a) being assembled, in described pantograph pan, refractory seals layer (2a) and refractory seals layer (4a) form 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 refractory seals layer (4b); The bottom surface that described slide block (1) combines with bracket (5) is provided with refractory seals layer (2b); Form pantograph pan after bracket (5) with fluted and refractory seals layer (4b) and the slide block (1) that is provided with refractory seals layer (2b) being assembled, in described pantograph pan, refractory seals layer (2b) and refractory seals layer (4b) form the airway walls of air flue (3);
When bracket (5) with slide block (1) are equipped with groove, the groove of slide block (1) is (6a), and the cell wall of described groove (6a) is provided with refractory seals layer (2c); The groove of bracket (5) is (6b), and the cell wall of described groove (6b) is provided with refractory seals layer (4c); Pantograph pan is formed after slide block (1) with fluted (6a), refractory seals layer (2c) and the bracket (5) of band fluted (6b), refractory seals layer (4c) being assembled; The airway walls stating air flue in pantograph pan (3) is made up of refractory seals layer (2c) and refractory seals layer (4c).
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; Described assembling is: by high temperature resistant bonded adhesives or high temperature resistant conductive adhesive is gluing connects, make slide block (1) and bracket (5) form described in pantograph pan; In described pantograph pan, bracket (5) is embedded in slide block (1) or slide block (1) is embedded in bracket (5).
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; The material of described refractory seals layer (2a), refractory seals layer (2b), refractory seals layer (2c), refractory seals layer (4a), refractory seals layer (4b), refractory seals layer (4c) is selected from the one in the silaatic of resistance to more than 100 DEG C high temperature, ethylene propylene diene rubber, viton, Thermoplastic Vulcanizate, polytetrafluoroethylene.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; Described refractory seals layer (2a) is identical with the material of refractory seals layer (4a).
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; Described refractory seals layer (2b) is identical with the material of refractory seals layer (4b).
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; Described refractory seals layer (2c) is identical with the material of refractory seals layer (4c).
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; When groove is only opened on slide block (1), there is refractory seals layer (2a) by high temperature resistant bonded adhesives or the gluing cell wall being connected on described groove of high temperature resistant conductive adhesive.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; When groove be only opened in slide block (1) upper time, described refractory seals layer (4a) is by high temperature resistant bonded adhesives or high temperature resistant conductive adhesive is gluing is connected on end face that bracket (5) combines with slide block (1) in advance.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan;
When groove is only opened on bracket (5), refractory seals layer (4b) is by high temperature resistant bonded adhesives or the gluing cell wall being connected on described groove of high temperature resistant conductive adhesive.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan;
When groove be only opened in bracket (5) upper time, described refractory seals layer (2b) is by by high temperature resistant bonded adhesives or high temperature resistant conductive adhesive is gluing is connected on bottom surface that described slide block (1) combines with bracket (5) in advance.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan;
When bracket (5) with slide block (1) are equipped with groove, refractory seals layer (2c) is by high temperature resistant bonded adhesives or the gluing cell wall being connected on described groove (6a) of high temperature resistant conductive adhesive; Refractory seals layer (4c) is by high temperature resistant bonded adhesives or the gluing cell wall being connected on described 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.Be preferably at least one in the Epoxy resin adhesive bonded adhesives of resistance to more than 100 DEG C, acrylic type glue and polyurethane adhesive.
The Epoxy resin adhesive bonded adhesives of described resistance to more than 100 DEG C, acrylic type glue and polyurethane adhesive are selected from the one in single component epoxy bonded adhesives, bicomponent epoxy resin bonded adhesives, many component epoxide resins bonded adhesives, bi-component acrylic type glue and two-component polyurethane adhesive.Its model be 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 in existing carbon slipper preparation process the high temperature resistant conductive adhesive glue commonly used.It is specifically as follows the one in high temperature resistant cupric powder conductive adhesive, high temperature resistant silver-colored cupric powder conductive adhesive and high temperature resistant sliver-powder conducting glue.Be preferably heat resist modification epoxy and phenolic aldehyde cupric powder conductive adhesive, heat resist modification epoxy cupric powder conductive adhesive, copper powder electronic conduction glue, heat resist modification epoxy and phenolic aldehyde silver cupric powder conductive adhesive, silver powder electronic conduction glue, the epoxy type conductive silver glue of resistance to more than 100 DEG C; Its model is at least one in TD-8814, TD-8816, DB2014, YH-2004, YH-A011, YH-2010, DB2018, DB5015, TD-8810, TD-8815, ZB25625, DB2013, DB2024, DB2016, YH-2008, YH-2003, YH-2005.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; Described slide block (1), bracket (5) are made up of at least one in carbon fiber and RESEARCH OF PYROCARBON, resin carbon, bitumencarb.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; The density of described carbon-fiber reinforced carbon slide block (1) is 1.75 ~ 1.90g/cm
3.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; Compressive strength>=the 160MPa of described carbon-fiber reinforced carbon slide block (1), rupture strength>=110MPa, dynamic ductility>=2.5J/cm
2, electrical resistivity≤31 μ Ω m.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan;
The preparation method of described slide block (1) and bracket (5) comprises the following steps:
Step one
With density for 0.30 ~ 0.60g/cm
3carbon fibe precast body is raw material; Under protective atmosphere, in 1500 ~ 2100 DEG C of heat treatments after 3 ~ 10 hours, carrying out Carbon deposition, to obtain density be 1.0 ~ 1.6g/cm
3c/C porous body;
Step 2
By step one gained C/C porous body, by polymer impregnated-carbonization technique process, until obtaining density is 1.60 ~ 1.90g/cm
3preform;
Step 3
Under protective atmosphere, in 1800 ~ 3000 DEG C, graphitization processing is carried out after 2 ~ 5 hours to step 2 gained preform, by the dimensioned of design, obtain described carbon-fiber reinforced carbon slide block (1) and bracket (5) respectively.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan; Described pantograph pan also comprises metal guide electrical network (6); Described metal guide electrical network (6), after assembling, is positioned on the contact surface of slide block (1) and bracket (5).Described metal guide electrical network (6) can not pass air flue (3).
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan;
The material of described conductive metal mesh (6) is preferably the one in copper, aluminium, is preferably copper.
A kind of high speed railway motor train unit of the present invention carbon-fiber reinforced carbon integration pantograph pan;
The shape of the cross-sectional plane of described air flue (3) is selected from least one in square, semicircle, trapezoidal, circular, oval, polygon.
Compared with prior art, its advantage and good effect are in the present invention:
1. the inwall of the air flue (3) designed by the present invention is made up of refractory seals layer (2a) and refractory seals layer (4a) or refractory seals layer (2b) and refractory seals layer (4b) or refractory seals layer (2c) and refractory seals layer (4c); Use copper pipe or copper sheet air flue on the impact of pantograph automatic bow-lowering sensivity so which obviate, this air passage structure can alleviate the overall weight of pantograph pan, and sealing band handling ease, manufacturing process are simple, easy to assembly, good seal performance, thus the safety of pantograph pan can be improved.
2. slide block (1) and bracket (5) all select such to have high connductivity, the shock-resistant and carbon fiber reinforced carbon materials of excellent in mechanical performance; therefore the series of problems that carbon slide block and aluminium bracket bring because of the difference at thermal expansion coefficient, electrical resistivity and interface is not only solved; and simplify the structure of pantograph pan; ensure that the impact resistance of pantograph pan entirety, available protecting conductive line surfaces is not worn thus extends the service life of wire and carbon slipper.
3. the present invention selects the carbon fiber reinforced carbon materials with good mechanical property and electric conductivity as the preferred material of pantograph pan.Carbon fiber improves the mechanical characteristics of carbon slipper, and quality is light, and friction coefficient is little, and the high and resistance to arc wear of fusing point, can reduce the infringement to contact system.And the preparation technology of the carbon fiber reinforced carbon materials by optimization, particularly pass through Carbon fibe precast body raw material, and the optimization of preform graphitizable high temperature treatment temperature and heat treatment time, and then the density of raising carbon fiber carbon material, compressive strength and rupture strength, and utilize high temperature (particularly the high temperature of more than 2600 DEG C) to realize graphite by unordered to ordering transition, thus realize high toughness and the electric conductivity of carbon-fiber reinforced carbon slide block.The density for electric vehicle pantograph pan carbon fiber carbon slide block obtained after Optimization Technology is 1.75 ~ 1.85g/cm
3, compressive strength>=160MPa, rupture strength>=110MPa, dynamic ductility>=2.5J/cm
2, electrical resistivity≤31 μ Ω m, table 1 is the performance figure of the C/C composite material adopting traditional handicraft and this patent technique to prepare respectively.With reference to national standard " the provisional engineering factor of motor train unit carbon slipper; standard technological document numbering (TJ/CL 328-201) ", carbon-fiber reinforced carbon slide block prepared by the present invention has reached and has been better than the performance standard of country to the motor train unit carbon slipper of speed per hour 350km/h and following speed class, and specific performance index is in table 2.Therefore, this carbon-fiber reinforced carbon pantograph pan has good mechanical property and electric conductivity.
The performance figure of the C/C composite material that table 1 adopts traditional handicraft and this patent technique to prepare
The performance figure of the motor train unit carbon slipper of table 2 China speed per hour 350km/h and following speed class
Accompanying drawing explanation
Accompanying drawing 1 for groove be only opened in slide block (1) time, the structural representation of designed pantograph pan;
Accompanying drawing 2 for groove be only opened in bracket (5) upper time, the structural representation of designed pantograph pan;
Accompanying drawing 3 is when bracket (5) with slide block (1) are equipped with groove, the structural representation of designed pantograph pan.
In Fig. 1,1 is C/C composite slipper; 2a is the refractory seals layer be arranged on slip recess wall; 3 is air flue, and 4a is located at the refractory seals layer on end face that bracket combines with slide block; 5 is C/C composite carrier; 6 is conductive metal mesh; 7 for being located at the groove on slide block.As can be seen from Figure 1: when groove is only opened on slide block (1), the cell wall of described groove has been provided with refractory seals layer (2a); The end face that described bracket (5) combines with slide block (1) is provided with refractory seals layer (4a); Form pantograph pan after slide block (1) with fluted and refractory seals layer (2a) and the bracket (5) that is provided with refractory seals layer (4a) being assembled, in described pantograph pan, refractory seals layer (2a) and refractory seals layer (4a) form the airway walls of air flue (3).
In Fig. 2,1 is C/C composite slipper; 2b is arranged on the refractory seals layer on slide block and the pre-faying face of bracket; 3 is air flue; 4b for be arranged on bracket with the refractory seals layer on groove cell wall; 5 is C/C composite carrier; 7a is the groove be arranged on bracket; G is the cell wall of groove.As can be seen from Figure 2: when groove is only opened on bracket (5), the cell wall (G) of described groove (7a) has been provided with refractory seals layer (4b); The bottom surface that described slide block (1) combines with bracket (5) is provided with refractory seals layer (2b); Form pantograph pan after bracket (5) with fluted and refractory seals layer (4b) and the slide block (1) that is provided with refractory seals layer (2b) being assembled, in described pantograph pan, refractory seals layer (2b) and refractory seals layer (4b) form the airway walls of air flue (3).
In Fig. 3,1 is C/C composite slipper; 2c for be arranged on slide block with the refractory seals layer on groove cell wall; 3 is air flue; 4c for be arranged on bracket with the refractory seals layer on groove cell wall; 5 is C/C composite carrier; 6a is the groove arranged on slide block; 6b is the groove be arranged on bracket; 7b is the cell wall of 6b; As can be seen from Figure 3: when bracket (5) with slide block (1) are equipped with groove, the groove of slide block (1) is (6a), and the cell wall of described groove (6a) is provided with refractory seals layer (2c); The groove of bracket (5) is (6b), and the cell wall of described groove (6b) is provided with refractory seals layer (4c); Pantograph pan is formed after slide block (1) with fluted (6a), refractory seals layer (2c) and the bracket (5) of band fluted (6b), refractory seals layer (4c) being assembled; The airway walls stating air flue in pantograph pan (3) is made up of refractory seals layer (2c) and refractory seals layer (4c).
Detailed description of the invention
Below in conjunction with accompanying drawing of the present invention, be clearly and completely described technical scheme of the present invention, obviously, described embodiment is only a part of embodiment in technical scheme described in the present invention, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to 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/cm
3carbon fibe precast body;
(2) 1500 ~ 2100 DEG C of heat treatment 3 ~ 10 hours;
(3) chemical vapor infiltration process deposits RESEARCH OF PYROCARBON, obtaining density is 1.6 ~ 1.9g/cm
3preform;
(4) polymer impregnated-charring process repeatedly density to density>=1.6g/cm
3;
(5) 1800 ~ 3000 DEG C of heat treatment 2 ~ 5 hours, obtaining density is 1.75 ~ 1.90g/cm
3carbonaceous material, and by design dimensioned, 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
Carbon-fiber reinforced carbon integration pantograph pan is prepared by the structure designed by Fig. 1;
In this embodiment, the material of refractory seals layer (2a), refractory seals layer (4a) is silaatic;
A carbon-fiber reinforced carbon pantograph pan as shown in Figure 1, this pantograph pan comprises slide block (1), bracket (5), air flue (3); The material of this bracket (5), slide block (1) is C/C composite material (all being prepared by such scheme); On this slide block (1), pre-engaging on face with bracket (5) is provided with a groove (7) along its length, and the cell wall of this groove has been provided with refractory seals layer (2a); The end face that this bracket (5) combines with slide block (1) is provided with refractory seals layer (4a); Form pantograph pan after slide block (1) with fluted and refractory seals layer (2a) and the bracket (5) that is provided with refractory seals layer (4a) being assembled, in described pantograph pan, refractory seals layer (2a) and refractory seals layer (4a) form the airway walls of air flue (3).
Adopt silastic sealing strip in this embodiment, be processed into described sealing layer by what design.Then on the cell wall being bonded to 7 by TD-8814 and on bracket 5 face of docking with slide block 1 in advance.
After assembling, conductive metal mesh 6 can not run through air flue 3; And between bracket and slide block.
The cross sectional shape of air flue 3 is square.
Embodiment 2
Carbon-fiber reinforced carbon integration pantograph pan is prepared by the structure designed by Fig. 2;
In this embodiment, the material of refractory seals bar (2b), refractory seals bar (4b) is ethylene propylene diene rubber;
As shown in Figure 2, a kind of carbon-fiber reinforced carbon pantograph pan, this pantograph pan comprises slide block (1), bracket (5), air flue (3); The material of this bracket (5), slide block (1) is C/C composite material (all being prepared by such scheme); Pre-the engaging on face with slide block (1) of this bracket (5) is provided with a groove (7a) along its length, and the cell wall (G) of this groove is provided with refractory seals layer (4b); The bottom surface that slide block (1) combines with bracket (5) is provided with refractory seals layer (2b); By the bracket (5) with fluted (7a) and refractory seals layer (4b) and be provided with refractory seals layer (2b) slide block (1) assembling after form pantograph pan, in this pantograph pan, refractory seals layer (2b) and refractory seals layer (4b) form the airway walls of air flue (3).
Adopt EPT rubber packing bar in this embodiment, be processed into described sealing layer by what design.Then on the cell wall G being bonded to 7a by DP820 and on slide block 1 face of docking with bracket 5 in advance.
In this embodiment, the cross sectional shape of air flue 3 is long arc shape.
Embodiment 3
Carbon-fiber reinforced carbon integration pantograph pan is prepared by the structure designed by Fig. 3;
In this embodiment, the material of refractory seals bar (2c), refractory seals bar (4c) is viton;
A carbon-fiber reinforced carbon pantograph pan as shown in Figure 3, this pantograph pan comprises slide block (1), bracket (5), air flue (3); The material of this bracket (5), slide block (1) is C/C composite material (all being prepared by such scheme); This slide block 1 is provided with groove 6a, the cell wall of groove 6a is bonded with refractory seals layer 2c by TD-8814, this bracket 5 is provided with groove 6b, the cell wall of 6b is 7b, 7b is upper is bonded with refractory seals layer 4c by TD-8814, to be with fluted, after the slide block of 6a, refractory seals layer 2c 1 and the bracket 5 of the fluted 6b of band, refractory seals layer 4c adopt TD-8814 to bond to assemble, form pantograph pan; In this pantograph pan, the airway walls of air flue (3) is made up of refractory seals layer (2c) and refractory seals layer (4c).
In this embodiment, the cross sectional shape of air flue 3 is trapezoidal.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan, described pantograph pan comprises slide block (1), bracket (5), air flue (3); It is characterized in that: the material of described bracket (5), slide block (1) is C/C composite material; In described slide block (1) and these two parts of bracket (5), at least one parts is provided with a groove along its length on the face of joint of the two,
When groove is only opened on slide block (1), the cell wall of described groove has been provided with refractory seals layer (2a); The end face that described bracket (5) combines with slide block (1) is provided with refractory seals layer (4a); Form pantograph pan after slide block (1) with fluted and refractory seals layer (2a) and the bracket (5) that is provided with refractory seals layer (4a) being assembled, in described pantograph pan, refractory seals layer (2a) and refractory seals layer (4a) form 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 refractory seals layer (4b); The bottom surface that described slide block (1) combines with bracket (5) is provided with refractory seals layer (2b); Form pantograph pan after bracket (5) with fluted and refractory seals layer (4b) and the slide block (1) that is provided with refractory seals layer (2b) being assembled, in described pantograph pan, refractory seals layer (2b) and refractory seals layer (4b) form the airway walls of air flue (3);
When bracket (5) with slide block (1) are equipped with groove, the groove of slide block (1) is (6a), and the cell wall of described groove (6a) is provided with refractory seals layer (2c); The groove of bracket (5) is (6b), and the cell wall of described groove (6b) is provided with refractory seals layer (4c); Pantograph pan is formed after slide block (1) with fluted (6a), refractory seals layer (2c) and the bracket (5) of band fluted (6b), refractory seals layer (4c) being assembled; The airway walls stating air flue in pantograph pan (3) is made up of refractory seals layer (2c) and refractory seals layer (4c).
2. a kind of high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan according to claim 1, is characterized in that:
Described assembling is: by high temperature resistant bonded adhesives or high temperature resistant conductive adhesive is gluing connects, make slide block (1) and bracket (5) form described in pantograph pan; In described pantograph pan, bracket (5) is embedded in slide block (1) or slide block (1) is embedded in bracket (5).
3. a kind of high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan according to claim 1, is characterized in that:
The material of described refractory seals layer (2a), refractory seals layer (2b), refractory seals layer (2c), refractory seals layer (4a), refractory seals layer (4b), refractory seals layer (4c) is selected from the one in the silaatic of resistance to more than 100 DEG C high temperature, ethylene propylene diene rubber, viton, Thermoplastic Vulcanizate, polytetrafluoroethylene.
4. a kind of high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan according to claim 1, is characterized in that:
Described refractory seals layer (2a) is identical with the material of refractory seals layer (4a);
Described refractory seals layer (2b) is identical with the material of refractory seals layer (4b);
Described refractory seals layer (2c) is identical with the material of refractory seals layer (4c).
5. a kind of high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan according to claim 1, is characterized in that:
Described slide block (1), bracket (5) are made up of at least one in carbon fiber and RESEARCH OF PYROCARBON, resin carbon, bitumencarb.
6. a kind of high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan according to claim 5, is characterized in that:
The density of described carbon-fiber reinforced carbon slide block (1) is 1.75 ~ 1.90g/cm
3.
7. a kind of high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan according to claim 1-6 any one, is characterized in that:
Compressive strength>=the 160MPa of described carbon-fiber reinforced carbon slide block (1), rupture strength>=110MPa, dynamic ductility>=2.5J/cm
2, electrical resistivity≤31 μ Ω m.
8. a kind of high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan according to claim 1-6 any one, is characterized in that:
The preparation method of described slide block (1) and bracket (5) comprises the following steps:
Step one
With density for 0.30 ~ 0.60g/cm
3carbon fibe precast body is raw material; Under protective atmosphere, in 1500 ~ 2100 DEG C of heat treatments after 3 ~ 10 hours, carrying out Carbon deposition, to obtain density be 1.0 ~ 1.6g/cm
3c/C porous body;
Step 2
By step one gained C/C porous body, by polymer impregnated-carbonization technique process, until obtaining density is 1.60 ~ 1.90g/cm
3preform;
Step 3
Under protective atmosphere, in 1800 ~ 3000 DEG C, graphitization processing is carried out after 2 ~ 5 hours to step 2 gained preform, by the dimensioned of design, obtain described carbon-fiber reinforced carbon slide block (1) and bracket (5) respectively.
9. a kind of high speed railway motor train unit carbon-fiber reinforced carbon integration pantograph pan according to claim 1-6 any one, is characterized in that: described pantograph pan also comprises metal guide electrical network (6); Described metal guide electrical network (6), after assembling, is positioned on the contact surface of slide block (1) and bracket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107776411A (en) * | 2017-11-27 | 2018-03-09 | 大同新成新材料股份有限公司 | A kind of pantograph carbon slide air flue integral type aluminium bracket |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-04-03 CN CN201510157350.3A patent/CN104709094B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107776411A (en) * | 2017-11-27 | 2018-03-09 | 大同新成新材料股份有限公司 | A kind of pantograph carbon slide air flue integral type aluminium bracket |
| 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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| Publication number | Publication date |
|---|---|
| CN104709094B (en) | 2016-09-07 |
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