CN205188406U - Reinforcing core of fiber reinforcement copper base combined material contact wire - Google Patents
Reinforcing core of fiber reinforcement copper base combined material contact wire Download PDFInfo
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- CN205188406U CN205188406U CN201520830084.1U CN201520830084U CN205188406U CN 205188406 U CN205188406 U CN 205188406U CN 201520830084 U CN201520830084 U CN 201520830084U CN 205188406 U CN205188406 U CN 205188406U
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Abstract
The embodiment of the utility model provides a reinforcing core of fiber reinforcement copper base combined material contact wire comprises copper alloy wire and carbon fiber bundle, and the axial of reinforcing core includes a plurality of iterative characteristic recycle sections, and the radial cross section of every characteristic recycle section includes and arranges the minor structure that forms by carbon fiber bundle and copper alloy wire. At every in the minor structure, one or a plurality of carbon fiber bundle and one or a plurality of copper alloy wire are crisscross to weave the range. Because it is big that the carbon fiber has a tensile strength, characteristics such as modulus height have great tensile strength so strengthen the core, do not have the potential difference between the alloying element of carbon fiber and copper and interpolation, can promote the holistic corrosion resistance of contact wire, have stronger resistant electrochemical corrosion performance so strengthen the core.
Description
Technical field
The utility model relates to osculatory technical field, particularly relates to a kind of enhancing core of fiber reinforcement Cu-base composites osculatory.
Background technology
Osculatory is the key components of electric railway Pantograph-OCS system, requires that having enough tensile strength hangs tension force to bear it, good gets stream to ensure that electric railway locomotive obtains; Require to there is excellent conductivity, to ensure the electric energy loss that electrified circuit is lower simultaneously.
Nowadays, domestic electric railway construction enters a high-speed developing period, speed per hour is that the technology of the high speed railway construction of 250 kilometers, 350 kilometers and operation is ripe, meanwhile start the R and D upsurge of speed per hour more than the ultra high speed railway of 400 kilometers both at home and abroad, this has higher requirement to electrification railway contact net, require that osculatory possesses high tensile strength to bear higher suspension tension force, thus the off-line spark produced when improving osculatory transmitting speed and reduce locomotive high-speed cruising.
Copper alloy is the most widely used material of high-speed railway osculatory.But the contradiction for a long time, existed in the research and preparation of copper alloy contact wire between high strength and high conductivity.Adding alloying element is the Traditional solutions improving copper alloy contact wire tensile strength, but interpolation solute atoms can cause lattice distortion, and then causes the reduction of its conductivity.At present, existing high-strength copper alloy osculatory is all to sacrifice premised on electroconductibility and plasticity.
Contradiction between high strength and high conductivity is there is in order to solve copper alloy contact wire, domestic and international trial adopts composite structure osculatory, China attempts employing CGLN-250 aluminium Baogang contact line, and Japan has also attempted many kinds, such as the osculatory of TA aluminium Baogang, CS copper sheathed steel, CSD copper sheathed steel.But aluminium, steel, copper three electropotential are different, easily galvanic corrosion occur, therefore there is corrosion-resistant, Reinforced by Metal core easily and the problems such as body material stripping in entirety.
Utility model content
Embodiment of the present utility model provides a kind of enhancing core of fiber reinforcement Cu-base composites osculatory, the fiber reinforcement Cu-base composites osculatory all meeting the requirement of iron mark to provide a kind of stuctures and properties.
To achieve these goals, the utility model takes following technical scheme.
A kind of enhancing core of fiber reinforcement Cu-base composites osculatory, described enhancing core is made up of copper alloy silk and carbon fiber bundle, the axis of described enhancing core comprises the characteristic cycle section of multiple repetition, and the radial section of each characteristic cycle section comprises the minor structure arranged by carbon fiber bundle and copper alloy silk.
Further, in each described minor structure, one or more carbon fiber bundle and the arrangement of one or more copper alloy silk weaving.
Further, comprise multiple described minor structure at the radial section of each characteristic cycle section, multiple described minor structure arranges around the centrosymmetry of described enhancing core.
Further, the carbon fiber bundle in each minor structure and copper alloy silk are around the central rotation of described minor structure.
Further, in each described minor structure, one or more carbon fiber bundle and one or more copper alloy silk compound are formed.
Further, described minor structure comprises triangular substructure, in pairs minor structure and annulus minor structure.
Further, the surface of described enhancing core is through covering Copper treatment and surperficial rounding process.
Further, described enhancing core is identical with the classification of the alloying element comprised by copper alloy matrix of coated described enhancing core, and the mass percent of the alloying element added in described enhancing core is not higher than setting threshold value.
Further, the carbon fiber bundle in described enhancing core is the carbon fiber of tensile strength at more than 3.0GPa.
Alloying element in described copper alloy silk comprises copper silver or copper tin or copper-magnesium alloy.
The technical scheme provided as can be seen from above-mentioned embodiment of the present utility model, the fiber reinforcement Cu-base composites osculatory that the utility model embodiment provides with the copper alloy of high conductivity for matrix, with copper wire and the braiding core of carbon fiber bundle or the composite core of copper and carbon fiber bundle for strengthening core, matrix is coated on enhancing wicking surface equably by extrusion process, obtains the fiber reinforcement Cu-base composites osculatory that stuctures and properties meets the requirement of iron mark.Matrix material osculatory, while guarantee good electric conductivity, can increase the maximum suspension tension force of circuit, reduces the weight of osculatory, promotes highest running speed of train and improve osculatory general safety coefficient.The enhancing core of the fiber reinforcement Cu-base composites osculatory of the utility model embodiment is formed with the braiding formation of copper wire and carbon fiber bundle or copper and carbon fiber bundle compound, has following beneficial effect:
1, it is large that carbon fiber has tensile strength, modulus high, therefore enhancing core has larger tensile strength;
2, the quality of the carbon fiber in the enhancing core that the utility model embodiment provides is about 1/4th of same volume copper, can reduce the weight of osculatory; There is not potential difference between the alloying element of carbon fiber and copper and interpolation, the erosion resistance of osculatory entirety can be promoted, therefore enhancing core has stronger electrochemical corrosion resistant performance;
3, the utility model adopt special braiding structure and treatment process, the associativity strengthened between core and coated copper alloy can be strengthened in osculatory extrusion process;
4, the special braiding structure that the utility model adopts makes enhancing core have certain retractility, can promote overall safety coefficient.
The aspect that the utility model is additional and advantage will part provide in the following description, and these will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the enhancing core of a kind of fiber reinforcement Cu-base composites osculatory that Fig. 1 provides for the utility model embodiment;
A kind of schematic diagram strengthening core and formed by carbon fiber bundle and copper alloy silk weaving that Fig. 2 provides for the utility model embodiment;
The schematic diagram that the another kind enhancing core that Fig. 3 provides for the utility model embodiment is consisted of carbon fiber bundle and copper alloy silk weaving;
The schematic diagram that the another kind enhancing core that Fig. 4 provides for the utility model embodiment is consisted of carbon fiber bundle and copper alloy silk weaving;
Description of reference numerals:
1. strengthen the paired minor structure 7. annulus minor structure of core 2. copper alloy matrix 3. carbon fiber bundle 4. copper alloy silk 5. triangular substructure 6..
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
Those skilled in the art of the present technique are appreciated that unless expressly stated, and singulative used herein " ", " one ", " described " and " being somebody's turn to do " also can comprise plural form.Should be further understood that, the wording used in specification sheets of the present utility model " comprises " and refers to there is described feature, integer, step, operation, element and/or assembly, but does not get rid of and exist or add other features one or more, integer, step, operation, element, assembly and/or their group.Should be appreciated that, when we claim element to be " connected " or " coupling " to another element time, it can be directly connected or coupled to other elements, or also can there is intermediary element.In addition, " connection " used herein or " coupling " can comprise wireless connections or couple.Wording "and/or" used herein comprises one or more arbitrary unit listing item be associated and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the utility model.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
For ease of the understanding to the utility model embodiment, be further explained explanation below in conjunction with accompanying drawing for several specific embodiment, and each embodiment does not form the restriction to the utility model embodiment.
China Express Railway main track generally adopts 150mm
2the copper osculatory in cross section, every ten thousand kilometers, every line consumption electrolytic copper about 1.3 ten thousand tons.According to 120mm
2the osculatory in cross section, electrolytic copper laying length per ton can reach 125% of former laying length, but needs the high strength and the conductivity problems that solve osculatory.
The structural representation of the enhancing core of the fiber reinforcement Cu-base composites osculatory of the utility model embodiment as shown in Figure 1, after enhancing core 1 in Fig. 1 is evenly coated by copper alloy matrix 2, obtain a kind of advanced composite material osculatory of high-strength highly-conductive, the copper alloy matrix 2 of high conductivity is coated on equably by continuous compound hot extrusion process on the enhancing core 1 that woven by copper wire and carbon fiber bundle.Above-mentioned enhancing core 1 is made up of carbon fiber bundle 3 and copper alloy silk 4,
In actual applications, as shown in Figure 2, core can be strengthened and formed by carbon fiber bundle and copper alloy silk weaving.In actual applications, strengthen core to be formed by carbon fiber bundle and copper alloy compound.
Strengthen core identical with the classification of the alloying element that the copper alloy matrix of coated enhancing core comprises, and the mass percent of the alloying element added in described copper alloy matrix and described enhancing core is not higher than setting threshold value, this setting threshold value can be 0.4%.The carbon fiber bundle strengthened in core is the carbon fiber of tensile strength at more than 3.0GPa, and the alloying element added in copper alloy matrix is copper silver or copper tin or copper-magnesium alloy, copper alloy matrix and to strengthen the copper alloy silk that core comprises be low tin-copper alloy.
In fig. 2, the enhancing cored structure of fiber reinforcement Cu-base composites osculatory is by obtaining carbon fiber bundle and copper alloy silk weaving, therefore enhancing core has repeatability vertically, claim the shortest repeated segments to be characteristic cycle section, the radial section of characteristic cycle section is called characteristic cross-section.On the characteristic cross-section strengthening core, can be divided into some carbon fiber bundles and the tight staggered minor structure of copper alloy silk, each minor structure comprises around the enhancing revolution direction at core center and the sense of rotation around minor structure center.Namely comprise multiple described minor structure at the radial section of each characteristic cycle section, multiple described minor structure arranges around the centrosymmetry of described enhancing core, and the carbon fiber bundle in each minor structure and copper alloy silk are around the center spinning of described minor structure.
Embodiment 1:
Get 12K fibrous bundle and tin copper (Theil indices the is 0.15% massfraction ratio) B alloy wire of T700SC type carbon fiber; be placed in braiding machine and carry out weaving process; the enhancing core obtained as shown in Figure 2, in Ar gas atmosphere, covers copper and rounding process to enhancing core.
In its characteristic cycle section, can be considered 1 the triangle minor structure 5 be made up of 2 bundle carbon fiber bundles 3 and 1 copper alloy silk 4,6 triangle minor structures 5 are closely looped around around 1 copper alloy silk, and then all triangle minor structure 5 spirals are drawn, and the spin direction of adjacent triangle minor structure 5 is contrary simultaneously.In the characteristic cycle section that the present embodiment strengthens core, can be considered triangle minor structure 5 spiral extraction vertically, period three silver coin structure spins 360 °, and closely revolves round the sun 180 ° around 1 copper alloy silk.In the present embodiment, carbon fiber bundle 3 has identical diameter of section with copper alloy silk 4.In the characteristic cross-section strengthening core, carbon fiber bundle 3 and the area ratio of copper alloy silk 4 are close to 3:2.
Embodiment 2:
Get fibrous bundle and the yellow gold silk (silver content is 0.10% massfraction ratio) of SYT49 type carbon fiber; be placed in braiding machine and carry out weaving process; enhancing core as shown in Figure 3, in N2 gas atmosphere, is covered copper and carries out rounding process by the enhancing core obtained.
In the generic cyclic section strengthening core, can be considered 1 paired minor structure, 6,8 paired minor structures 6 of being first made up of 1 bundle carbon fiber bundle 3 and 1 copper alloy silk 4 closely around and rear screw is drawn, Adjacent pairs minor structure 6 is identical from the hand of spiral simultaneously.In the present embodiment, carbon fiber bundle 3 has identical diameter of section with copper alloy silk 4.In the characteristic cross-section strengthening core, carbon fiber bundle 3 and the area ratio of copper alloy silk 4 are close to 1:1.
Embodiment 3:
Get the fibrous bundle of SYT50 type carbon fiber, be placed in braiding machine and carry out weaving process, the enhancing core obtained as shown in Figure 4, in vacuum atmosphere, covers copper to enhancing core and adds rounding process.
In the characteristic cycle section strengthening core, primarily of carbon fiber bundle composition, and it has identical model and diameter.The present embodiment adopts laminate structure, and the carbon fiber bundle 3 having diameter identical in every one deck is circumferentially uniform, forms annulus minor structure 7, has internal layer to be respectively 1,6,12,18 to the quantity of the outer carbon fiber bundle 3 comprised.The carbon fiber bundle 3 of all layers vertically spiral is drawn, and two-layer carbon fiber bundle 3 rotation direction of arbitrary neighborhood is contrary.
In sum, the enhancing core of the fiber reinforcement Cu-base composites osculatory of the utility model embodiment is formed with the braiding formation of copper wire and carbon fiber bundle or copper and carbon fiber bundle compound, has following beneficial effect:
1, it is large that carbon fiber has tensile strength, modulus high, therefore enhancing core has larger tensile strength;
2, the quality of the carbon fiber in the enhancing core that the utility model embodiment provides is about 1/4th of same volume copper, can reduce the weight of osculatory; There is not potential difference between the alloying element of carbon fiber and copper and interpolation, the erosion resistance of osculatory entirety can be promoted, therefore enhancing core has stronger electrochemical corrosion resistant performance;
3, the utility model adopt special braiding structure and treatment process, the associativity strengthened between core and coated copper alloy can be strengthened in osculatory extrusion process;
4, the special braiding structure that the utility model adopts makes enhancing core have certain retractility, can promote overall safety coefficient.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for device or system embodiment, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.Apparatus and system embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. the enhancing core of a fiber reinforcement Cu-base composites osculatory, it is characterized in that, described enhancing core is made up of copper alloy silk and carbon fiber bundle, the axis of described enhancing core comprises the characteristic cycle section of multiple repetition, and the radial section of each characteristic cycle section comprises the minor structure arranged by carbon fiber bundle and copper alloy silk.
2. the enhancing core of fiber reinforcement Cu-base composites osculatory according to claim 1, is characterized in that, in each described minor structure, and one or more carbon fiber bundle and the arrangement of one or more copper alloy silk weaving.
3. the enhancing core of fiber reinforcement Cu-base composites osculatory according to claim 1, is characterized in that, comprises multiple described minor structure at the radial section of each characteristic cycle section, and multiple described minor structure arranges around the centrosymmetry of described enhancing core.
4. the enhancing core of fiber reinforcement Cu-base composites osculatory according to claim 3, is characterized in that, the carbon fiber bundle in each minor structure and copper alloy silk are around the central rotation of described minor structure.
5. the enhancing core of fiber reinforcement Cu-base composites osculatory according to claim 1, is characterized in that, in each described minor structure, one or more carbon fiber bundle and one or more copper alloy silk compound are formed.
6. the enhancing core of fiber reinforcement Cu-base composites osculatory according to claim 1, is characterized in that, described minor structure comprises triangular substructure, in pairs minor structure and annulus minor structure.
7. the enhancing core of fiber reinforcement Cu-base composites osculatory according to claim 1, is characterized in that, the surface of described enhancing core is through covering Copper treatment and surperficial rounding process.
8. the enhancing core of the fiber reinforcement Cu-base composites osculatory according to any one of claim 1 to 7, described enhancing core is identical with the classification of the alloying element comprised by copper alloy matrix of coated described enhancing core, and the mass percent of the alloying element added in described enhancing core is not higher than setting threshold value.
9. the enhancing core of fiber reinforcement Cu-base composites osculatory according to claim 8, the carbon fiber bundle in described enhancing core is the carbon fiber of tensile strength at more than 3.0GPa.
10. the enhancing core of fiber reinforcement Cu-base composites osculatory according to claim 8, is characterized in that, the alloying element in described copper alloy silk comprises copper silver or copper tin or copper-magnesium alloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520830084.1U CN205188406U (en) | 2015-10-23 | 2015-10-23 | Reinforcing core of fiber reinforcement copper base combined material contact wire |
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| CN201520830084.1U CN205188406U (en) | 2015-10-23 | 2015-10-23 | Reinforcing core of fiber reinforcement copper base combined material contact wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274451A (en) * | 2015-10-23 | 2016-01-27 | 烟台金晖铜业有限公司 | Enhancement core of fiber-reinforced copper-based composite material contact line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274451A (en) * | 2015-10-23 | 2016-01-27 | 烟台金晖铜业有限公司 | Enhancement core of fiber-reinforced copper-based composite material contact line |
| CN105274451B (en) * | 2015-10-23 | 2018-05-18 | 中国铁路总公司 | The enhancing core of fiber reinforcement Cu-base composites contact line |
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