CN104773093B - Copper-aluminum composite conductor rail and manufacturing method thereof - Google Patents
Copper-aluminum composite conductor rail and manufacturing method thereof Download PDFInfo
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- CN104773093B CN104773093B CN201510157334.4A CN201510157334A CN104773093B CN 104773093 B CN104773093 B CN 104773093B CN 201510157334 A CN201510157334 A CN 201510157334A CN 104773093 B CN104773093 B CN 104773093B
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- copper
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- aluminum compound
- busbar
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Abstract
The invention discloses a copper-aluminum composite conductor rail and a manufacturing method thereof. The copper-aluminum composite conductor rail comprises an aluminum rail and a copper conductive bar connected to the aluminum rail, wherein the copper conductive bar is provided with a conductive contact surface used for being in contact with a current collector of a locomotive; the conductive contact surface is a plane; two or more than two copper-aluminum composite conductive plates are further arranged between the aluminum rail and the copper conductive bar; each copper-aluminum composite conductive plate comprises an aluminum plate and a copper plate connected integrally; each aluminum plate is connected with the aluminum rail; each copper plate is connected with the copper conductive bar. The copper-aluminum composite conductor rail has the advantages of simple structure, likeliness in manufacturing, low manufacturing cost, high electrical conductivity, non-likeliness in heating, high safety, high reliability and the like. The manufacturing method comprises the following steps: preparing the aluminum rail, the copper conductive bar and the copper-aluminum composite conductive plates; performing press-fitting molding; additionally arranging a copper fastening bolt. The manufacturing method has the advantages of being convenient to operate, beneficial for processed production, high in production efficiency and the like.
Description
Technical field
The present invention relates to Transit Equipment technical field is and in particular to a kind of Copper-Aluminum compound conductor rail and its making side
Method.
Background technology
With the development of modern railway transportation vehicle technology, the power supply of electric track vehicle is proposed new by flow device
Require, the especially power supply current collection device of current emerging energy storage type city railway vehicle charging station, and electric locomotive and
The power supply of the static debugging of city rail vehicle is subject to flow device, has required similar feature: static for a long time can bear high current and not
Can be overheated, cost can not high it is desirable to there be certain horizontal and vertical bending resistance, (for example locomotive commissioning movable type contact net be wanted
It is asked to possess).
The more generally double ditch copper conductor of aluminium bus-bar folder and the composite conductor rail of steel and aluminum of in rail field of traffic application at present, this two
Class product applies the mobile power supply of the conductive boots that the pantograph being flowed in roof contacts and three rails are flowed to be flowed respectively, but for static
When state for extended periods high current is powered, due to the construction featuress of itself, all can not effectively meet and be required by stream.Due to double ditch copper
The contact with motorcycle pantograph for the line is point contact, during static power supply, overheated scaling loss easily occurs under current state;And steel aluminum is multiple
Close rail because its conductive contact surfaces material be rustless steel although contact surface width, but material resistance itself is greatly, nor avoids high current
, there is the risk leading to rolling stock current collection device scaling loss in the superheating phenomenon of static power supply under state.
Therefore, develop a kind of conductive capability by force, resistance is low, contact surface width, cost is not high and has the conductive of some strength to fill
Put the urgent need just becoming market.Copper-Aluminum compound conductor rail is the optimal selection of current performance, but traditional copper aluminum combination process is multiple
Miscellaneous, carry out the compound cost of global copper aluminum too high.
Content of the invention
The technical problem to be solved in the present invention is to overcome the shortcomings of that prior art exists, and provides that a kind of structure is simple, is easy to
Making, low manufacture cost, good conductivity, be difficult to generate heat, the high Copper-Aluminum compound conductor rail of security reliability, also provide a kind of simultaneously
The manufacture method of this Copper-Aluminum compound conductor rail.
For solving above-mentioned technical problem, the present invention employs the following technical solutions:
A kind of Copper-Aluminum compound conductor rail, including aluminum rail and the copper busbar being connected on aluminum rail, described copper busbar is provided with
For the conductive contact surfaces contacting with locomotive pantagraph current collector, described conductive contact surfaces are plane, between described aluminum rail and copper busbar
It is additionally provided with more than two pieces Copper-Aluminum compound conductive plates, described Copper-Aluminum compound conductive plate includes aluminium sheet and the copper coin being connected in one, institute
State aluminium sheet to connect with aluminum rail, described copper coin is connected with copper busbar.
Above-mentioned Copper-Aluminum compound conductor rail it is preferred that described aluminum rail is provided with and press-fits groove towards the upper surface of locomotive, described copper
Busbar by press-fit approach be installed on described in press-fit in groove, and the conductive contact surfaces of described copper busbar be higher than aluminum rail upper end
Face.
Above-mentioned Copper-Aluminum compound conductor rail it is preferred that described press-fit in groove be provided with boss, described copper busbar be in u-shaped, and
U-shaped copper busbar is wrapped in the outside of boss.
Above-mentioned Copper-Aluminum compound conductor rail it is preferred that offering containing cavity on described boss, described Copper-Aluminum compound conductive plate
It is installed in described containing cavity, described copper busbar is fixed described Copper-Aluminum compound conductive plate.
Above-mentioned Copper-Aluminum compound conductor rail is it is preferred that described aluminum rail both sides are equipped with the compression compressing described copper busbar
Portion.
Above-mentioned Copper-Aluminum compound conductor rail is it is preferred that be provided with copper fastening bolt, institute between described aluminum rail and copper busbar
State copper fastening bolt and sequentially pass through copper busbar, Copper-Aluminum compound conductive plate and aluminum rail, described copper busbar is additionally provided with counterbore,
The bolt head of described copper fastening bolt is located in described counterbore and is less than the conductive contact surfaces of copper busbar.
Difference in height between the upper surface of described conductive contact surfaces and aluminum rail is 2mm.
Above-mentioned Copper-Aluminum compound conductor rail is it is preferred that described aluminium sheet and copper coin are connected as one by explosive welding mode.
Above-mentioned Copper-Aluminum compound conductor rail is it is preferred that described aluminum rail is in the narrow boards connection in the middle of I shape, I shape aluminum rail
The middle part in portion is provided with the reinforcement protruding to both sides.
As a total technology design, the present invention also provides a kind of manufacture method of above-mentioned Copper-Aluminum compound conductor rail, bag
Include following steps:
(1) aluminum rail, copper busbar and the Copper-Aluminum compound conductive plate being formed that is connected in one by copper coin and aluminium sheet are prepared, will
Copper busbar is rolled into u-shaped, and carry boss in the upper surface of aluminum rail is made press-fits groove, mills out at least two appearances on boss
Put chamber;
(2) it is respectively charged into one piece of Copper-Aluminum compound conductive plate in each accommodating intracavity, make the aluminium sheet direction of Copper-Aluminum compound conductive plate
Copper busbar is press-fited in press-fiting in groove using milling train by aluminum rail, then copper busbar is covered press-fiting on groove;
(3) on press-fiting the Copper-Aluminum compound conductor rail completing the position of corresponding each piece of Copper-Aluminum compound conductive plate all get out many
Individual through hole, each through hole sequentially passes through copper busbar, Copper-Aluminum compound conductive plate and aluminum rail, and each through hole sets in one end of copper busbar
There is counterbore, load copper fastening bolt in through-holes and copper busbar, Copper-Aluminum compound conductive plate and aluminum rail are connected fastening, this is copper
The bolt head of fastening bolt is located in described counterbore and is less than the conductive contact surfaces of copper busbar.
Compared with prior art, it is an advantage of the current invention that: the Copper-Aluminum compound conductor rail of the present invention by copper busbar connect
It is used for contacting with locomotive pantagraph current collector carrying out conduction on aluminum rail, its contact point resistance is low, good conductivity, be difficult to generate heat, especially suitable
Close resting state conducting heavy current, the composite conductor rail of steel and aluminum being compared to current use has greater advantage;And the leading of copper busbar
Electric interface be plane, compared to tradition conflux single pair of ditch copper cash of row folding point contact by conductance electrically, conductive contact surfaces
With the contact surface width of locomotive, the impact of more high current can be born, can effective protection test locomotive vehicle be subject to flow device safety,
The generation of pantagraph current collector equipment burning damage accident when reducing rolling stock static debugging or charging operation;Meanwhile, conductive in aluminum rail and copper
It is provided with Copper-Aluminum compound conductive plate, it is possible to resolve the problem of copper-aluminium transition galvano-cautery between row.This Copper-Aluminum compound track structures is simple,
Can be achieved with producing in batches with low cost.
Brief description
Fig. 1 is the overlooking the structure diagram of Copper-Aluminum compound conductor rail of the present invention.
Fig. 2 is a a section view mplifying structure schematic diagram in Fig. 1.
Fig. 3 is the side structure schematic view of aluminum rail in Copper-Aluminum compound conductor rail of the present invention.
Fig. 4 is the side structure schematic view of copper busbar in Copper-Aluminum compound conductor rail of the present invention.
Marginal data:
1st, aluminum rail;11st, press-fit groove;12nd, boss;13rd, containing cavity;14th, reinforcement;15th, compressed part;2nd, copper busbar;21、
Conductive contact surfaces;22nd, counterbore;3rd, Copper-Aluminum compound conductive plate;4th, copper fastening bolt.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As depicted in figs. 1 and 2, the Copper-Aluminum compound conductor rail of the present invention, leads with the copper being connected on aluminum rail 1 including aluminum rail 1
Electricity row 2, copper busbar 2 is provided with the conductive contact surfaces 21 for contacting with locomotive pantagraph current collector, and conductive contact surfaces 21 are plane, aluminum rail
It is additionally provided with more than two pieces Copper-Aluminum compound conductive plates 3, Copper-Aluminum compound conductive plate 3 includes being connected in one between 1 and copper busbar 2
Aluminium sheet and copper coin, aluminium sheet is connected with aluminum rail 1, and copper coin is connected with copper busbar 2.Copper busbar 2 is connected on aluminum rail 1 present invention
It is used for contacting with locomotive pantagraph current collector carrying out conduction, its contact point resistance is low, good conductivity, be difficult to generate heat, be especially suitable for static shape
State conducting heavy current, the composite conductor rail of steel and aluminum being compared to current use has greater advantage;And the conductive contact surfaces of copper busbar 2
21 is plane, compared to tradition conflux single pair of ditch copper cash of row folding point contact by conductance electrically, conductive contact surfaces 21 and machine
The contact surface width of car, can bear the impact of more high current, can effective protection test locomotive vehicle be subject to flow device safety, reduce
The generation of pantagraph current collector equipment burning damage accident when rolling stock static debugging or charging operation;Meanwhile, in aluminum rail 1 and copper busbar 2
Between be provided with Copper-Aluminum compound conductive plate 3, it is possible to resolve the problem of copper-aluminium transition galvano-cautery.This Copper-Aluminum compound track structures is simple,
Can be achieved with producing in batches with low cost.
In the present embodiment, as shown in Figure 3 and Figure 4, aluminum rail 1 is provided with and press-fits groove 11 towards the upper surface of locomotive, copper busbar 2
It is installed on by press-fit approach and press-fits in groove 11, and the conductive contact surfaces 21 of copper busbar 2 are higher than the upper surface of aluminum rail 1, conductive
Difference in height between the upper surface of contact surface 21 and aluminum rail 1 is 2mm.Specifically, the both sides of aluminum rail 1 are equipped with compressed part 15, copper
Busbar 2 is arranged on by compressed part 15 compression of aluminum rail 1 and press-fits in groove 11.This press-fit approach not only further increases and prevents
The effect of copper-aluminium transition galvano-cautery, and be easy to ensure the smooth of the conductive contact surfaces 21 of copper busbar 2, do not affect by stream operation.
Aluminum rail 1 is provided with and is located at the boss 12 press-fiting in groove 11, and copper busbar 2 is in u-shaped, and u-shaped copper busbar 2 is wrapped in the outer of boss 12
Portion.Two containing cavities 13 are offered on boss 12, two pieces of Copper-Aluminum compound conductive plates 3 correspond to respectively and are installed in two containing cavities 13
In, and copper busbar 2 is fixed Copper-Aluminum compound conductive plate 3.Two containing cavities 13 of the present embodiment are divided near 1 liang of aluminum rail
At the position at end.
In the present embodiment, between aluminum rail 1 and copper busbar 2, it is provided with copper fastening bolt 4, copper fastening bolt 4 is passed through successively
Wear copper busbar 2, Copper-Aluminum compound conductive plate 3 and aluminum rail 1, copper busbar 2 is additionally provided with counterbore 22, the spiral shell of copper fastening bolt 4
Bolt head is located in counterbore 22 and is less than the conductive contact surfaces 21 of copper busbar 2, to avoid being contacted with locomotive pantagraph current collector.By copper
The fastening effect of fastening bolt 4, can strengthen the contact of Copper-Aluminum compound conductive plate 3 and aluminum rail 1 and copper busbar 2, also improve simultaneously
Stable connection between aluminum rail 1 and copper busbar 2 and reliability.
In the present embodiment, aluminium sheet and copper coin connect as one formation Copper-Aluminum compound conductive plate 3 by explosive welding mode, should
Copper-Aluminum compound conductive plate 3 can bear specified high current, and can be mass.
In the present embodiment, aluminum rail 1 is in I shape, and the middle part of the narrow boards connecting portion in the middle of I shape aluminum rail 1 is provided with to both sides
The reinforcement 14 protruding, can effectively strengthen conductor rail lateral stiffness, particularly in the application of portable contact net, can improve
The horizontal anti-bending strength in sidesway and expansion action for the conductor rail.
Can be attached using aluminum fish platee between two Copper-Aluminum compound conductor rails it is only necessary to clamp Copper-Aluminum compound drawing electricity point
Plate, other positions need not carry out Copper-Aluminum compound transition again.
A kind of manufacture method of above-mentioned Copper-Aluminum compound conductor rail, comprises the following steps:
(1) aluminum rail 1, copper busbar 2 and Copper-Aluminum compound conductive plate 3 are prepared, wherein, aluminum rail 1 adopts I shape aluminum mother plate
As main material, carry boss 12 in the upper surface of aluminum rail 1 is made press-fits groove 11, mills out two containing cavities on boss 12
13, two containing cavities 13 are respectively close to two ends of aluminum rail 1;Copper busbar 2 is rolled into surely u-shaped as composite wood;Copper aluminum is multiple
Conjunction conductive plate 3 is connected in one by copper coin and aluminium sheet and is formed, as contact material;
(2) it is respectively charged into one piece of Copper-Aluminum compound conductive plate 3 in each containing cavity 13, make the aluminium sheet of Copper-Aluminum compound conductive plate 3
Towards aluminum rail 1, then copper busbar 2 is covered press-fiting on groove 11, using milling train, copper busbar 2 is press-fited in press-fiting in groove 11;
(3) on press-fiting the Copper-Aluminum compound conductor rail completing, the position of corresponding each piece of Copper-Aluminum compound conductive plate 3 all gets out
Four through holes, each through hole sequentially passes through copper busbar 2, Copper-Aluminum compound conductive plate 3 and aluminum rail 1, and each through hole is in copper busbar 2
One end is provided with counterbore 22, loads copper fastening bolt 4 in through-holes by copper busbar 2, Copper-Aluminum compound conductive plate 3 and aluminum rail 1 even
Connect fastening, so that the bolt head of this copper fastening bolt 4 is located in counterbore 22 and be less than the conductive contact surfaces 21 of copper busbar 2, protect
The smooth no salient point of conductive contact surfaces 21 of card copper busbar 2.
This manufacture method has the advantages that easy to operate, high beneficial to procedure production, production efficiency.
Using current lifting device (unit type: saq-4000a) and infrared radiation thermometer (unit type: gm1150) to Copper-Aluminum compound
Conductor rail is tested, and test parameter and structure are as shown in table 1 it is seen that this Copper-Aluminum compound conductor rail has and excellent is difficult to generate heat
Performance.
Table 1
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example.To those of ordinary skill in the art, obtained improvement and change under without departing from the technology of the present invention concept thereof
Change and also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of Copper-Aluminum compound conductor rail it is characterised in that: include aluminum rail (1) and the copper busbar that is connected on aluminum rail (1)
(2), described copper busbar (2) is provided with the conductive contact surfaces (21) for contacting, described conductive contact surfaces with locomotive pantagraph current collector
(21) it is plane, between described aluminum rail (1) and copper busbar (2), be additionally provided with more than two pieces Copper-Aluminum compound conductive plates (3), described copper
Aluminum composite conductive plate (3) includes the aluminium sheet that is connected in one and copper coin, and described aluminium sheet is connected with aluminum rail (1), described copper coin and copper
Busbar (2) connects;Described aluminum rail (1) is provided with and press-fits groove (11) towards the upper surface of locomotive, and described copper busbar (2) passes through pressure
Dress mode press-fits in groove (11) described in being installed on, and the conductive contact surfaces (21) of described copper busbar (2) are higher than the upper of aluminum rail (1)
End face;Described press-fit be provided with boss (12) in groove (11), described copper busbar (2) is in u-shaped, and u-shaped copper busbar (2) is wrapped in
The outside of boss (12);Containing cavity (13) is offered on described boss (12), described Copper-Aluminum compound conductive plate (3) is installed in described
In containing cavity (13), described copper busbar (2) is fixed described Copper-Aluminum compound conductive plate (3).
2. Copper-Aluminum compound conductor rail according to claim 1 it is characterised in that: described aluminum rail (1) both sides are equipped with compression
The compressed part (15) of described copper busbar (2).
3. Copper-Aluminum compound conductor rail according to claim 1 it is characterised in that: described aluminum rail (1) and copper busbar (2) it
Between be provided with copper fastening bolt (4), described copper fastening bolt (4) sequentially passes through copper busbar (2), Copper-Aluminum compound conductive plate
(3) and aluminum rail (1), described copper busbar (2) is additionally provided with counterbore (22), the bolt head of described copper fastening bolt (4) is located at
In described counterbore (22) and less than copper busbar (2) conductive contact surfaces (21).
4. Copper-Aluminum compound conductor rail according to claim 1 it is characterised in that: described conductive contact surfaces (21) and aluminum rail
(1) the difference in height between upper surface is 2mm.
5. Copper-Aluminum compound conductor rail according to claim 1 it is characterised in that: described aluminium sheet and copper coin pass through explosive welding
Mode connects as one.
6. Copper-Aluminum compound conductor rail according to any one of claim 1 to 5 it is characterised in that: described aluminum rail (1) be in work
Font, the middle part of the narrow boards connecting portion in the middle of I shape aluminum rail (1) is provided with the reinforcement (14) protruding to both sides.
7. a kind of manufacture method of Copper-Aluminum compound conductor rail as claimed in claim 1 it is characterised in that: comprise the following steps:
(1) aluminum rail (1), copper busbar (2) and the Copper-Aluminum compound conductive plate being formed that is connected in one by copper coin and aluminium sheet are prepared
(3), copper busbar (2) is rolled into u-shaped, carry boss (12) in the upper surface of aluminum rail (1) is made press-fits groove (11),
At least two containing cavities (13) are milled out on boss (12);
(2) it is respectively charged into one piece of Copper-Aluminum compound conductive plate (3) in each containing cavity (13), make the aluminum of Copper-Aluminum compound conductive plate (3)
Plate is press-fiting on groove (11) towards aluminum rail (1), then by copper busbar (2) covering, is press-fited copper busbar (2) in pressure using milling train
In tankage (11);
(3) on press-fiting the Copper-Aluminum compound conductor rail completing the position of corresponding each piece of Copper-Aluminum compound conductive plate (3) all get out many
Individual through hole, each through hole sequentially passes through copper busbar (2), Copper-Aluminum compound conductive plate (3) and aluminum rail (1), and each through hole is conductive in copper
One end of row (2) is provided with counterbore (22), and loading copper fastening bolt (4) in through-holes will be conductive to copper busbar (2), Copper-Aluminum compound
Plate (3) and aluminum rail (1) connect fastening, and the bolt head of this copper fastening bolt (4) is located in described counterbore (22) and leads less than copper
The conductive contact surfaces (21) of electricity row (2).
Priority Applications (1)
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CN201510157334.4A CN104773093B (en) | 2015-04-03 | 2015-04-03 | Copper-aluminum composite conductor rail and manufacturing method thereof |
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CN201510157334.4A CN104773093B (en) | 2015-04-03 | 2015-04-03 | Copper-aluminum composite conductor rail and manufacturing method thereof |
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CN104773093B true CN104773093B (en) | 2017-01-18 |
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Families Citing this family (2)
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CN106891070B (en) * | 2017-02-23 | 2023-11-07 | 深圳市科达利实业股份有限公司 | Copper-aluminum composite board, pole connecting plate structure and battery |
CN106965710A (en) * | 2017-05-11 | 2017-07-21 | 李雷 | The method that composite conductor rail of steel and aluminum reduces connection resistance |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3836394A (en) * | 1971-07-29 | 1974-09-17 | Alusuisse | Method of manufacture of a conductor rail |
CN2759833Y (en) * | 2004-11-07 | 2006-02-22 | 江苏华鹏城市轨道交通设备有限公司 | Steel-aluminium composite conductor rail |
CN101327750A (en) * | 2007-06-18 | 2008-12-24 | 上海磁浮交通工程技术研究中心 | Composite power supply rail and method for producing the same |
CN103303164A (en) * | 2013-05-20 | 2013-09-18 | 新誉集团有限公司 | Expansion joint for conductive rail |
CN204526871U (en) * | 2015-04-03 | 2015-08-05 | 株洲瑞泰装备技术有限公司 | Copper-Aluminum compound conductor rail |
-
2015
- 2015-04-03 CN CN201510157334.4A patent/CN104773093B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3836394A (en) * | 1971-07-29 | 1974-09-17 | Alusuisse | Method of manufacture of a conductor rail |
CN2759833Y (en) * | 2004-11-07 | 2006-02-22 | 江苏华鹏城市轨道交通设备有限公司 | Steel-aluminium composite conductor rail |
CN101327750A (en) * | 2007-06-18 | 2008-12-24 | 上海磁浮交通工程技术研究中心 | Composite power supply rail and method for producing the same |
CN103303164A (en) * | 2013-05-20 | 2013-09-18 | 新誉集团有限公司 | Expansion joint for conductive rail |
CN204526871U (en) * | 2015-04-03 | 2015-08-05 | 株洲瑞泰装备技术有限公司 | Copper-Aluminum compound conductor rail |
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