CN106298010B - A kind of anti-splitting carbon fibre composite wire plug of high tenacity and preparation method thereof - Google Patents

A kind of anti-splitting carbon fibre composite wire plug of high tenacity and preparation method thereof Download PDF

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Publication number
CN106298010B
CN106298010B CN201610822027.8A CN201610822027A CN106298010B CN 106298010 B CN106298010 B CN 106298010B CN 201610822027 A CN201610822027 A CN 201610822027A CN 106298010 B CN106298010 B CN 106298010B
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layer
wire plug
resin
fibre
fiber
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CN201610822027.8A
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CN106298010A (en
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朱波
曹伟伟
乔琨
王永伟
于宽
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山东大学
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24Sheathing; Armouring; Screening; Applying other protective layers by extrusion
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/26Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/04Flexible cables, conductors, or cords, e.g. trailing cables

Abstract

The invention discloses anti-splitting carbon fibre composite wire plug of a kind of high tenacity and preparation method thereof, the wire plug uses the multiple fiber hybrid composite using carbon fiber as main body reinforcing fiber to prepare, from inside to outside by rigid core, ductile layers, anti- splitting layer and surface wear-resistant layer composition, rigid core ensures the non-deformability of integral core rod using high-performance carbon fibre composite, flexible layer uses glass fiber compound material to ensure the toughness of plug to reach the winding of certain curvature, anti- splitting layer avoids splitting problem of the wire plug in winding using assorted fibre spiral winding structure, surface wear-resistant layer uses carbon fiber surface felt or control of two-dimensional braided high-performance fiber to mix guarantee surface abrasion resistance characteristic effectively to protect plug internal structure stability.The sandwich construction carbon fibre composite wire plug of the present invention can improve the comprehensive mechanical property of current wire steel core or conventional composite materials wire plug, effectively increase the service life.

Description

A kind of anti-splitting carbon fibre composite wire plug of high tenacity and preparation method thereof

Technical field

The invention belongs to electric power transmission field, more particularly to a kind of anti-splitting carbon fibre composite wire plug of high tenacity And preparation method thereof.

Background technology

Requirement more and more higher of the development of modern industrial technology to electrical power transmission system, not only needs telephone communication, for It is more and more urgent and necessary to have both the requirement of the information integration transmission of the Large Copacities such as remote control, remote measurement, transmission of video, while with electricity Outfit that power equipment automatically controls and computer supervisory control system are widely used, and the transmission of huge information content turns into power system Necessary work.Therefore the requirement to power transmission increasingly develops to high speed, Large Copacity, durability etc..This development Trend requires that transmission line of electricity stresses towards extra-high voltage, quick transmission of electricity direction, and this necessarily causes the specification of transmission line of electricity and deadweight Improve.Using steel core as backing material, steel core outside is conducted using aluminum stranded conductor as main transmission of electricity to be carried traditional transmission line of electricity Body, and the transmission line structure of this steel-cored aluminium strand is due to all using metal material, there are problems, such as:Deadweight Greatly, it is poor etc. intolerant to the big yielding, environmental suitability of burn into sag.Then the research on composite material quality conductor structure Start to occur, what application was more at present is improved as alternative materials using composite conductor plug in transmission pressure core Integral rigidity, reduce sag, while improve and service life is finally improved to the environmental suitability of the harsh weather such as frost, accumulated snow.

However, although the wire plug of single composite solves at present deadweight and the problems such as resistance to deformation, due to Also there are the intrinsic a variety of drawbacks of composite in the limitation of material, such as:The function unification of mandrel structure, only with power Learn based on rigid lifting, toughness deficiency causes plug to occur splitting damage in transport, installation or winding;Composite plug The compactness on surface not enough causes to wear no resistance, colliding with easily occurs in work progress, scrape caused by mechanical deficiencies.These problems Defect hidden danger will be brought for the long-term use of composite plug.Therefore, a kind of preferable wire of combination property is needed badly at present Plug solves above technical problem.

The content of the invention

In order to solve this problem of single material composite conductor plug, the present invention proposes a kind of sandwich construction Carbon fibre composite mixes the structure and preparation method of the transmission pressure plug of material, passes through the different high property based on carbon fiber Can fiber mix use and the overall characteristic of multiple functions layer plays, can effectively improve the overall wearability of wire plug, The multiple performances such as anti-fissibility, high-flexibility, overall permanence is effectively improved on the basis of plug rigidity and corrosion resistance is ensured, Extend the service life of composite conductor plug.

Technical scheme is as follows:

First purpose of the present invention there is provided a kind of carbon fibre composite wire plug, from core to surface successively It is made up of four rigid core, flexible layer, anti-splitting layer and wearing layer parts;

The rigid core is by high-performance carbon fibre and thermosetting resin composite molding;

The flexible layer is the assorted fibre and thermoplastic modified thermoset by both glass fibre or glass fibre and carbon fiber Property resin molding compound;

The anti-splitting layer is by glass fibre, aramid fiber, basalt fibre, silicon carbide fibre, alumina fibre A kind of fiber or a variety of assorted fibres two-dimensional fabric and thermosetting resin composite molding;

The wearing layer is the two-dimensional fabric and thermoplastic resin by carbon fiber surface felt or glass fibre or aramid fiber Composite molding.

Rigid core of the present invention, its reinforcing fiber are high-performance carbon fibre, and matrix is thermosetting resin;The high property Energy carbon fiber is the assorted fibre of high-strength carbon fiber and high modulus carbon fiber;Preferably, the high-strength carbon fiber is selected One or more in T300, T700, T800;The high modulus carbon fiber is from one or both of M40J, M60J.Enter one Step is preferable, and the high-strength carbon fiber and high modulus carbon fiber mix mass ratio for 1:1~10:1.

The thermosetting resin is one kind in epoxy resin, phenolic resin, unsaturated polyester resin.Preferably, it is described Resin content in rigid core is 30~50%

For the intensity for the rigid core being prepared, the thermosetting resin uses pultrusion with high-performance carbon fibre Rigid core is prepared in technique;A diameter of 3~15mm of the rigid core of final molding.

Rigid core ensures the non-deformability of integral core rod using high-performance carbon fibre composite.

Flexible layer of the present invention is located at the outer surface of rigid core, its reinforcing fiber be glass fibre or glass fibre and The assorted fibre of both carbon fibers, matrix are thermoplastic modified heat convertible resin.

The glass fibre selects the one or two of S glasses or E glasses, while mixes the high-strength carbon fiber (height The one or more that strength carbon fiber is selected in T300, T700, T800) as rigidity regulation, wherein, the glass fibre and carbon Fiber mixes mass ratio for 1:1~10:1.Or the glass fibre that can be used alone is as reinforcing fiber.

The thermoplastic modified heat convertible resin is from polyurethane modified epoxy resin, polyurethane modified unsaturated polyester resin In one kind.Preferably, the resin content in the flexible layer is 30~50%.

For the performance for the flexible layer being prepared, flexible layer of the invention uses pultrusion or Wrapping formed system It is standby;The thickness of the flexible layer of final molding is 0.5~5mm.

Flexible layer uses glass fiber compound material to ensure the toughness of plug to reach the winding of certain curvature.

Anti- splitting layer of the present invention is located at the surface of flexible layer, is prepared using winding shaping process, winding uses two Dimensional fabric, dipping thermosetting resin matrix are wrapped in flexible layer surface afterwards, and winding angle is 30~60 degree.

Preferably, the width of the two-dimensional fabric is 5~15mm.

Preferably, the fiber used of the two-dimensional fabric selects to be used as assorted fibre using glass fibre and/or aramid fiber Main fibre, other fibers are auxiliary fiber, and the auxiliary fiber is basalt fibre, silicon carbide fibre, alumina fibre In one or more.Wherein, the mass ratio that mixes of main fibre and auxiliary fiber is 2:1~10:1.

The thermosetting resin is from one kind in epoxy resin, phenolic resin, unsaturated polyester resin;Preferably, institute The resin content stated in anti-splitting layer is 30~50%;The thickness of the anti-splitting layer of final molding is 0.5~2mm.

Anti- splitting layer avoids splitting problem of the wire plug in winding using assorted fibre spiral winding structure.

The wearing layer of the present invention is prepared, winding uses carbon fiber positioned at the surface of anti-splitting layer using winding shaping process Surface felt or high-performance fiber two-dimensional fabric, dipping thermoplastic resin matrix are wrapped in anti-splitting layer surface afterwards.

The carbon fiber surface felt is prepared from high intensity chopped carbon fiber, and chopped carbon fiber length is 1~5cm;It is described High-performance fiber two-dimensional fabric is plain weave, twill or the satin fabric from glass fibre or aramid fiber.

The thermoplastic resin is from one kind in polyurethane, polyethylene, polypropylene, polyphenylene sulfide;Preferably, it is described resistance to It is 30~50% to grind the resin content in layer;The thickness of the wearing layer of final molding is 0.5~2mm.

Surface wear-resistant layer uses carbon fiber surface felt or control of two-dimensional braided high-performance fiber mix ensure surface abrasion resistance characteristic with Effectively protection plug internal structure stability.

Reinforcing fiber and matrix in wire plug all have an impact to its performance, without isostructural combination equally to leading The performance of core rod has an impact.Inventor obtains the material and knot of the invention used by largely testing and researching and analysing Structure can effective lifting lead wire plug overall performance.

Second object of the present invention there is provided the preparation method of above-mentioned carbon fibre composite wire plug, including with Lower step:

(1) rigid core is prepared using pultrusion molding process with thermosetting resin in high-performance carbon fibre;

(2) flexible layer is prepared using pultrusion molding process or winding shaping process on the surface of the rigid core, it is described soft Reinforcing fiber in tough layer is from the assorted fibre of both glass fibre or glass fibre and carbon fiber, and matrix is from thermoplastic modification Thermosetting resin;

(3) anti-splitting layer, the enhancing of the anti-splitting layer are prepared using winding shaping process on the surface of the flexible layer Fiber is mixed from the one or more in glass fibre, aramid fiber, basalt fibre, silicon carbide fibre, alumina fibre The two-dimensional fiber fabric of fiber, matrix select thermosetting resin;

(4) wearing layer is prepared using winding shaping process on the surface of the anti-splitting layer, the enhancing of the wearing layer is fine Dimension selects carbon fiber surface felt or high-performance fiber two-dimensional fabric, and matrix selects thermoplastic resin.

Third object of the present invention is to provide a kind of carbon fiber composite core wire, including the carbon fibre composite is led Core rod and the ring-shaped conductive layer for being wrapped in its outer surface.The ring-shaped conductive layer can be made up of metals such as copper, aluminum or aluminum alloy, Belong to the common knowledge of this area.

A technical scheme in above-mentioned technical proposal has the advantages that:

1st, wire plug of the invention uses the multiple fiber hybrid composite system using carbon fiber as main body reinforcing fiber It is standby, it is made up of from inside to outside rigid core, ductile layers, anti-splitting layer and surface wear-resistant layer, is specifically:

(1) rigid core is prepared with high-performance carbon fibre and thermosetting resin composite molding in the present invention, obtained core body Tensile strength is larger, ensure that the non-deformability of integral core rod, and a good basis is played for the preparation of wire plug.

(2) outer surface of rigid core of the invention is provided with flexible layer, and the flexible layer selects glass fibre, or mixes high-strength Fiber to be spent to adjust as rigidity, matrix selects thermoplastic modified heat convertible resin, and thermoplastic modification resin can have certain toughness, Improve suppleness can resistance to deformation ability, both are used cooperatively so that the pliabilities of the Rotating fields is high, while ensures wire stylet The toughness of rod is to reach the winding of certain curvature.

(3) outer surface of flexible layer of the invention is provided with anti-splitting layer, and the anti-splitting layer is using thermosetting resin as matrix, choosing With assorted fibre spiral winding structure, the anti-fissibility of wire plug is improved, avoids splitting of the wire plug in winding from asking Topic.

(4) outer surface of anti-splitting layer of the invention is provided with wearing layer, and the wearing layer is using thermoplastic resin as matrix, selection The structure of carbon fiber surface felt or high-performance hybrid fiber two-dimensional fabric so that the compactness of wire mandrel surface is improved, The wearability of wire mandrel surface is ensure that, effectively protects the stability of wire plug internal structure.

The sandwich construction carbon fibre composite wire plug of the present invention can mention current wire steel core or conventional composite material Expect the comprehensive mechanical property of wire plug, effectively increase the service life.

2nd, the high flexible anti-splitting carbon fibre composite wire plug of one kind of the invention and other composite conductor cores Rod is compared, and is mixed using sandwich construction, various material, on the basis of the integral rigidity for ensureing wire plug using carbon fiber, is played The overall characteristic of the multiple fibers such as glass fibre, aramid fiber, basalt fibre, alumina fibre, silicon carbide fibre, effectively Improve the overall performance of wire plug.

3rd, wire plug of the invention is from inside to outside by four rigid core, ductile layers, anti-splitting layer and surface wear-resistant layer knots Structure forms, and Structural assignments are reasonable, four structure synergies, causes wire plug to have good wearability, anti-splitting jointly Property and the performance such as pliability, severe use environment can be born, improve service life.

Brief description of the drawings

Fig. 1 is the sandwich construction schematic diagram of carbon fibre composite wire plug, including rigid core 1, flexible layer 2, anti-is split 4 four parts of parting 3 and surface wear-resistant layer form.

Embodiment

Embodiment 1

A kind of high-flexibility, anti-splitting carbon fibre composite wire plug, as shown in figure 1, including rigidity from the inside to the outside 4 four core 1, flexible layer 2, anti-splitting layer 3 and surface wear-resistant layer parts form.Its preparation method includes:It is the preparation of rigid core, soft The preparation of tough layer, the preparation of anti-splitting layer and the preparation of surface wear-resistant layer.

The preparation of rigid core:Using T300 carbon fibers as high intensity reinforcing fiber, strengthened using M40J as high-modulus Carbon fiber, high-strength/high-modules carbon fibre mix mass ratio for 10:1, using epoxy resin as matrix resin, resin content For 40%.Resin is molded with reinforcing fiber using pultrude process, and the diameter of the rigid core of final molding is in 3mm.

The preparation of flexible layer:Be main body reinforcing fiber from S glasses, mix T700 high-strength carbon fibers, glass fibre and Carbon fiber mixes mass ratio for 5:1, resin matrix uses polyurethane modified epoxy resin, and the content of resin matrix is 40%, resin and reinforcing fiber are molded using winding process, and the thickness of final molding flexible layer is in 0.5mm.

The preparation of anti-splitting layer:Use winding angle for 30 degree, fabric arrowband that width is 5mm carry out two-dimentional spiral shell Prepared by rotation winding, for arrowband fiber from glass fibre as main body, basalt fibre is auxiliary fiber, main body and auxiliary fiber Mix mass ratio 6:1.Epoxy resin is used as resin matrix, resin dipping content is 50%, the thickness of final anti-splitting layer Degree is in 1mm.

The preparation of surface wear-resistant layer:It is reinforcement to use length to prepare surface felt for 1cm chopped T700 carbon fibers, is used The thermoplastic polyurethane that content is 45% is resin matrix, and surface wear-resistant layer, final molding table are prepared using winding shaping process The thickness of face wearing layer is in 0.5mm.

The excellent in mechanical performance of the wire plug finally obtained, wherein impact strength (are than conventional composite plug Refer to single material composite conductor plug) improve more than 30%.

Embodiment 2

The preparation of a kind of high-flexibility, anti-splitting carbon fibre composite wire plug includes:It is the preparation of rigid core, flexible The preparation of layer, the preparation of anti-splitting layer and the preparation of surface wear-resistant layer.

The preparation of rigid core:Using T700 carbon fibers as high intensity reinforcing fiber, using M60J carbon fibers as Gao Mo Amount enhancing carbon fiber, high-strength/high-modules carbon fibre mix mass ratio for 3:Between 1, using phenolic resin as matrix resin, Resin content is 30%.Resin is molded with reinforcing fiber using pultrude process, and the diameter of the rigid core of final molding is in 6mm.

The preparation of flexible layer:It is main body reinforcing fiber from E glasses, mixes T800 high-strength carbon fibers, glass and carbon is fine Dimension mixes mass ratio for 4:1, resin matrix uses polyurethane modified unsaturated polyester resin, and the content of resin matrix is 35%, resin and reinforcing fiber are molded using winding process, and the thickness of final molding flexible layer is in 1mm.

The preparation of anti-splitting layer:Use winding angle for 40 degree, fabric arrowband that width is 8mm carry out two-dimentional spiral shell Prepared by rotation winding, for arrowband fiber from aramid fiber as main body, silicon carbide fibre is auxiliary fiber, main body and auxiliary fiber Mix mass ratio 4:1.Epoxy resin is used as resin matrix, resin dipping content is 39%, the thickness of final anti-splitting layer Degree is in 1.5mm.

The preparation of surface wear-resistant layer:It is reinforcement to use length to prepare surface felt for 1cm chopped T800 carbon fibers, is used The thermoplastic polyethylene that content is 41% is resin matrix, and surface wear-resistant layer, final molding table are prepared using winding shaping process The thickness of face wearing layer is in 2mm.

The excellent in mechanical performance of the wire plug finally obtained, wherein, impact strength (is than conventional composite plug Refer to single material composite conductor plug) improve more than 35%.

Embodiment 3

The preparation of a kind of high-flexibility, anti-splitting carbon fibre composite wire plug includes:It is the preparation of rigid core, flexible The preparation of layer, the preparation of anti-splitting layer and the preparation of surface wear-resistant layer.

The preparation of rigid core:Using T800 carbon fibers as high intensity reinforcing fiber, using M60J carbon fibers as Gao Mo Amount enhancing carbon fiber, high-strength/high-modules carbon fibre mix mass ratio for 8:Between 1, using unsaturated polyester resin as base Body resin, resin content 45%.Resin is molded with reinforcing fiber using pultrude process, and the diameter of the rigid core of final molding exists 12mm。

The preparation of flexible layer:It is main body reinforcing fiber from E glasses, mixes T300 high-strength carbon fibers, glass and carbon is fine Dimension mixes mass ratio for 5:1, resin matrix uses polyurethane modified epoxy resin, and the content of resin matrix is 36%, tree Fat and reinforcing fiber are molded using winding process, and the thickness of final molding flexible layer is in 1mm.

The preparation of anti-splitting layer:Use winding angle for 40 degree, fabric arrowband that width is 8mm carry out two-dimentional spiral shell Prepared by rotation winding, for arrowband fiber from aramid fiber as main body, alumina fibre is auxiliary fiber, main body and auxiliary fiber Mix mass ratio 7:1.Epoxy resin is used as resin matrix, resin dipping content is 38%, the thickness of final anti-splitting layer Degree is in 2mm.

The preparation of surface wear-resistant layer:The glass fabric of plain weave structure is used to use content for reinforcement as 42% Thermoplastic polypropylene is resin matrix, and surface wear-resistant layer, the thickness of final molding surface wear-resistant layer are prepared using winding shaping process Degree is in 2mm.

The excellent in mechanical performance of the wire plug finally obtained, wherein, impact strength (is than conventional composite plug Refer to single material composite conductor plug) improve more than 34%.

Embodiment 4

The preparation of a kind of high-flexibility, anti-splitting carbon fibre composite wire plug includes:It is the preparation of rigid core, flexible The preparation of layer, the preparation of anti-splitting layer and the preparation of surface wear-resistant layer.

The preparation of rigid core:Using T300 carbon fibers as high intensity reinforcing fiber, strengthened using M40J as high-modulus Carbon fiber, high-strength/high-modules carbon fibre mix mass ratio for 6:Between 1, contained using epoxy resin as matrix resin, resin Measure as 43%.Resin is molded with reinforcing fiber using pultrude process, and the diameter of the rigid core of final molding is in 11mm.

The preparation of flexible layer:It is main body reinforcing fiber from S glasses, mixes T700 high-strength carbon fibers, glass and carbon is fine Dimension mixes mass ratio for 5:1, resin matrix uses polyurethane modified epoxy resin, and the content of resin matrix is 50%, tree Fat and reinforcing fiber are molded using winding process, and the thickness of final molding flexible layer is in 5mm.

The preparation of anti-splitting layer:Use winding angle for 50 degree, fabric arrowband that width is 11mm carry out two dimension Prepared by spiral winding, for arrowband fiber from aramid fiber as main body, basalt fibre is auxiliary fiber, main body and auxiliary fiber Mix mass ratio 4:1.Epoxy resin is used as resin matrix, resin dipping content is 32%, final anti-splitting layer Thickness is in 1mm.

The preparation of surface wear-resistant layer:The aramid fabric of satin construction is used to use content for reinforcement as 44% Thermoplastic polyurethane is resin matrix, and surface wear-resistant layer, the thickness of final molding surface wear-resistant layer are prepared using winding shaping process Degree is in 1mm.

The excellent in mechanical performance of the wire plug finally obtained, wherein, impact strength (is than conventional composite plug Refer to single material composite conductor plug) improve more than 32%.

Embodiment 5

A kind of carbon fiber composite core wire, including carbon fibre composite wire plug described in embodiment 1 and it is wrapped in it The ring-shaped conductive layer of outer surface;The ring-shaped conductive layer can be made up of metals such as copper, aluminum or aluminum alloy.

Comparative example

A kind of carbon fibre composite wire plug, it is resistance to including rigid core, anti-splitting layer, flexible layer and surface from the inside to the outside Four part of layer are ground to form.Its preparation method includes:The preparation of rigid core, the preparation of anti-splitting layer, the preparation of flexible layer and table The preparation of face wearing layer.

The preparation of rigid core:Using T300 carbon fibers as high intensity reinforcing fiber, strengthened using M40J as high-modulus Carbon fiber, high-strength/high-modules carbon fibre mix mass ratio for 10:1, using epoxy resin as matrix resin, resin content For 40%.Resin is molded with reinforcing fiber using pultrude process, and the diameter of the rigid core of final molding is in 3mm.

The preparation of anti-splitting layer:Use winding angle for 30 degree, fabric arrowband that width is 5mm carry out two-dimentional spiral shell Prepared by rotation winding, for arrowband fiber from glass fibre as main body, basalt fibre is auxiliary fiber, main body and auxiliary fiber Mix mass ratio 6:1.Epoxy resin is used as resin matrix, resin dipping content is 50%, the thickness of final anti-splitting layer Degree is in 1mm.

The preparation of flexible layer:It is main body reinforcing fiber from S glasses, mixes T700 high-strength carbon fibers, glass and carbon is fine Dimension mixes mass ratio for 5:1, resin matrix uses polyurethane modified epoxy resin, and the content of resin matrix is 40%, tree Fat and reinforcing fiber are molded using winding process, and the thickness of final molding flexible layer is in 0.5mm.

The preparation of surface wear-resistant layer:It is reinforcement to use length to prepare surface felt for 1cm chopped T700 carbon fibers, is used The thermoplastic polyurethane that content is 45% is resin matrix, and surface wear-resistant layer, final molding table are prepared using winding shaping process The thickness of face wearing layer is in 0.5mm.

The impact strength of the wire plug finally given (refers to single material composite with conventional composite plug Wire plug) quite.Due to comparative example use structure combination it is unreasonable, the mechanical property of the wire plug finally obtained is bright The aobvious wire plug being not so good as in embodiment 1~4, it is seen that the cooperation of each structure produces important shadow to the performance of wire plug Ring.

Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification, Equivalent substitute mode is should be, is included within protection scope of the present invention.

Claims (13)

1. a kind of carbon fibre composite wire plug, it is characterized in that:The wire plug from core to surface successively by rigid core, Four flexible layer, anti-splitting layer and wearing layer parts are formed;
The rigid core be by high-performance carbon fibre and thermosetting resin composite molding, the rigid core of final molding a diameter of 3 ~ 15mm;The high-performance carbon fibre is the assorted fibre of high-strength carbon fiber and high modulus carbon fiber;The high-strength carbon fiber From the one or more in T300, T700, T800;The high modulus carbon fiber is from one or both of M40J, M60J;
The flexible layer is the assorted fibre and thermoplastic modified heat convertible tree by both glass fibre or glass fibre and carbon fiber Fat composite molding, the thickness of the flexible layer of final molding is 0.5 ~ 5mm;The thermoplastic modified heat convertible resin is changed from polyurethane One kind in property epoxy resin, polyurethane modified unsaturated polyester resin;
The anti-splitting layer is by one in glass fibre, aramid fiber, basalt fibre, silicon carbide fibre, alumina fibre The two-dimensional fabric of kind fiber or a variety of assorted fibres and thermosetting resin composite molding, the thickness of the anti-splitting layer of final molding are 0.5~2mm;The anti-splitting layer is prepared using winding shaping process, and winding uses two-dimensional fabric, impregnates thermosetting resin matrix Flexible layer surface is wrapped in afterwards, and winding angle is 30 ~ 60 degree;The width of the two-dimensional fabric is 5 ~ 15mm;
The wearing layer is compound with thermoplastic resin by the two-dimensional fabric of carbon fiber surface felt or glass fibre or aramid fiber Shaping, the thickness of the wearing layer of final molding is 0.5 ~ 2mm;The thermoplastic resin from polyurethane, polyethylene, polypropylene, One kind in polyphenylene sulfide;
Wherein, the thermosetting resin is one kind in epoxy resin, phenolic resin, unsaturated polyester resin.
2. wire plug as claimed in claim 1, it is characterized in that:In rigid core, the high-strength carbon fiber and high-modulus Carbon fiber mixes mass ratio for 1:1~10:1.
3. wire plug as claimed in claim 1, it is characterized in that:In rigid core, the resin content in the rigid core is 30~50%。
4. wire plug as claimed in claim 1, it is characterized in that:In rigid core, the high-performance carbon fibre and thermosetting Rigid core is prepared using formed by extrusion and tension technique in resin.
5. wire plug as claimed in claim 1, it is characterized in that:In flexible layer, the glass fibre selects S glasses or E The one or two of glass.
6. wire plug as claimed in claim 1, it is characterized in that:In flexible layer, the glass fibre and carbon fiber mix Impurity level ratio is 1:1~10:1.
7. wire plug as claimed in claim 1, it is characterized in that:In flexible layer, the resin content in the flexible layer is 30~50%。
8. wire plug as claimed in claim 1, it is characterized in that:In flexible layer, the flexible layer using pultrusion or It is prepared by winding shaping process.
9. wire plug as claimed in claim 1, it is characterized in that:Resin content in the anti-splitting layer is 30 ~ 50%.
10. wire plug as claimed in claim 1, it is characterized in that:The wearing layer uses winding shaping process, impregnates thermoplastic Property resin matrix after be wrapped in anti-splitting layer surface;The carbon fiber surface felt is prepared from high intensity chopped carbon fiber, fine Dimension length is 1 ~ 5cm;The two-dimensional fabric of glass fibre or aramid fiber in wearing layer is plain weave, twill or satin fabric.
11. wire plug as claimed in claim 1, it is characterized in that:In wearing layer, the resin content in the wearing layer is 30~50%。
12. the preparation method of the carbon fibre composite wire plug any one of claim 1 ~ 11, it is characterized in that, bag Include following steps:
(1)Rigid core is prepared using pultrusion molding process with thermosetting resin in high-performance carbon fibre;
(2)Flexible layer, the flexible layer are prepared using pultrusion molding process or winding shaping process on the surface of the rigid core In reinforcing fiber from the assorted fibre of both glass fibre or glass fibre and carbon fiber, matrix selects thermoplastic modified thermoset Property resin;
(3)Anti- splitting layer is prepared using winding shaping process on the surface of the flexible layer;
(4)Wearing layer is prepared using winding shaping process on the surface of the anti-splitting layer.
13. a kind of carbon fiber composite core wire, it is characterized in that:It is compound including the carbon fiber any one of claim 1 ~ 11 Material wire plug and the ring-shaped conductive layer for being wrapped in its outer surface.
CN201610822027.8A 2016-09-13 2016-09-13 A kind of anti-splitting carbon fibre composite wire plug of high tenacity and preparation method thereof CN106298010B (en)

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