CN112712921A - Copper-clad aluminum alloy conductor - Google Patents

Copper-clad aluminum alloy conductor Download PDF

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Publication number
CN112712921A
CN112712921A CN202011532646.6A CN202011532646A CN112712921A CN 112712921 A CN112712921 A CN 112712921A CN 202011532646 A CN202011532646 A CN 202011532646A CN 112712921 A CN112712921 A CN 112712921A
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copper
aluminum alloy
clad aluminum
plastic
outer sleeve
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CN202011532646.6A
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Chinese (zh)
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闫哲
张海涛
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H01B7/0807—Twin conductor or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H01B7/0869—Flat or ribbon cables comprising one or more armouring, tensile- or compression-resistant elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/184—Sheaths comprising grooves, ribs or other projections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1875—Multi-layer sheaths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1895—Internal space filling-up means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/207—Metal tubes, e.g. lead sheaths composed of iron or steel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame

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Abstract

The invention relates to the technical field of wires, in particular to a copper-clad aluminum alloy wire, which comprises an outer sleeve and plastic blocks, wherein the outer sleeve is in a waist-shaped tubular shape, an inner cavity is formed in the outer sleeve, copper-clad aluminum alloy wires are arranged on two sides of the inner cavity, the two plastic blocks with the same specification are respectively embedded to the upper part and the lower part of the middle part of the inner cavity, and a resetting piece is arranged between the two plastic blocks. The heat-resistant plastic insulating layer on the copper-clad aluminum alloy wire can effectively prevent the insulating layer from being burnt out due to high temperature to achieve the purpose of preventing high temperature, can eliminate potential safety hazards simultaneously, and the conical tooth sheets can effectively prevent part of rodents from biting and damaging, so that the phenomenon that the copper-clad aluminum alloy wire is damaged or animals are subjected to electric shock due to the fact that the copper-clad aluminum alloy wire is directly exposed outside after each jacket layer coated outside the copper-clad aluminum alloy wire is damaged is avoided.

Description

Copper-clad aluminum alloy conductor
Technical Field
The invention relates to the technical field of wires, in particular to a copper-clad aluminum alloy wire.
Background
The copper-clad aluminum wire is an electric wire which takes an aluminum core wire as a main body and is plated with a copper layer with a certain proportion on the outer surface, and can be used as a conductor for a coaxial cable and a conductor for an electric wire and a cable in electric equipment. The aluminum wire has small specific gravity, but the welding performance is not good, so the copper-clad aluminum wire can utilize the advantage of small specific gravity of aluminum and improve the welding performance by wrapping a copper layer outside the aluminum wire. The method is suitable for the industries of electric power and electric appliances, and the category grade is international and domestic.
And current copper clad aluminum alloy wire is at the in-process that uses, owing to used more insulating material, the resistance to compression tensile ability of wire is poor, and the inside copper clad aluminum alloy wire associativity of wire is strong, leads to whole root wire to need to be changed because a sinle silk is impaired easily, and the overall arrangement is comparatively spacious for a bit to current wire simultaneously, and some rodents interlock wires easily not only make the wire impaired easily, still make the animal electric shock easily.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a copper-clad aluminum alloy wire.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a copper clad aluminum alloy wire, includes outer tube and plastic piece, the outer tube is waist type tubulose, and has seted up the inner chamber in the outer tube, the both sides of inner chamber all are provided with copper clad aluminum alloy line, and two specifications are the same the plastic piece gomphosis respectively to the upper and lower two places at inner chamber middle part, and install the piece that resets between two plastic pieces.
Specifically, each all fixed cover is equipped with heat-resisting plastic insulation layer on the copper clad aluminum alloy line, install the step-down layer that is used for reducing copper clad aluminum alloy line compressive strength on the heat-resisting plastic insulation layer, install the inoxidizing coating that is used for preventing animal interlock copper clad aluminum alloy line on the heat-resisting plastic insulation layer, install plastic foaming cover on the inoxidizing coating, and plastic foaming sheathes in and has cup jointed the steel wire sleeve through the hot melt adhesive is fixed.
Specifically, the decompression layer includes rubber arch, halogen-free flame retardant polyolefin filler and hollow plastic tube, and a plurality of specification is the same the rubber arch gomphosis respectively is on heat-resisting plastic insulating layer's outer wall, and is filled with the halogen-free flame retardant polyolefin filler of capacity in the clearance between the adjacent rubber arch, fixed inserting is equipped with the cavity plastic pipe on the halogen-free flame retardant polyolefin filler, and the outer lane cladding of halogen-free flame retardant polyolefin filler has the thin pipe of HDPE.
Specifically, the protective layer comprises conical tooth sheets and a steel wire ring, the conical tooth sheets with the same specifications are fixedly embedded on the outer pipe wall of the HDPE thin pipe respectively, the conical tooth sheets distributed in the radial direction are distributed in an annular mode, the steel wire ring penetrates through all the conical tooth sheets distributed in the annular mode on the same plane, and the inner ring of the plastic foaming sleeve is embedded into the conical tooth sheets.
Specifically, a half-arc steel wire mesh is fixedly embedded in the outer half circle of the steel wire sleeve, and the half-arc steel wire mesh is fixedly connected with the inner pipe wall of the outer sleeve in a co-extrusion mode.
Specifically, the piece that resets includes stereoplasm hollow tube, gasbag, pressure stopper, slip post and crescent steel pad, two the stereoplasm hollow tube is fixed the gomphosis respectively on the inner wall of two plastic piece, and fixed gomphosis has the gasbag between two stereoplasm hollow tubes, two all install sliding connection's pressure stopper in the stereoplasm hollow tube, and two equal fixed mounting of terminal surface that the pressure stopper carried on the back mutually have a slip post, two the other end of slip post extends the hollow tube respectively and fills up fixed connection with the crescent steel of fixed gomphosis in the plastic piece.
Specifically, both side walls of the hard hollow pipe are fixedly provided with a pressure spring, and the other end of the pressure spring is fixedly connected with the corresponding side wall of the steel wire sleeve.
Specifically, the installation cavity has been seted up at the top of plastic block, and fixed mounting has the same silica gel ball of a plurality of specification in the installation cavity, the top and the interior pipe wall fixed connection of outer tube middle part of silica gel ball.
Specifically, the middle part of outer tube both sides is protruding, and protruding department and edge are equipped with excessive cambered surface, and the fixed gomphosis has flexible plastic piece on the excessive cambered surface.
Specifically, the outer sleeve is coated with RTV anti-pollution flashover coating.
The invention has the beneficial effects that:
1. according to the copper-clad aluminum alloy wire, the heat-resistant plastic insulating layer on the copper-clad aluminum alloy wire can effectively prevent the insulating layer from being burnt out due to high temperature, so that the aim of preventing high temperature is fulfilled, and meanwhile, potential safety hazards can be eliminated;
2. according to the copper-clad aluminum alloy wire, when the outer sleeve is trampled and rolled, the rubber bulge is compressed and deformed, so that the pressure on the copper-clad aluminum alloy wire is reduced, the filled halogen-free flame-retardant polyolefin filler can improve the fireproof performance of the whole structure, and meanwhile, the deformed rubber bulge and the hollow plastic pipe are matched to have better tensile resistance;
3. according to the copper-clad aluminum alloy wire, the conical tooth sheet can effectively prevent partial rodent from being bitten by, the phenomenon that the copper-clad aluminum alloy wire is damaged or an animal is subjected to electric shock due to the fact that the copper-clad aluminum alloy wire is directly exposed outside after each jacket layer outside the copper-clad aluminum alloy wire is damaged is avoided, the conical tooth sheet can be wrapped by the plastic foaming sleeve, and the problems that the conical tooth sheet cuts and scratches an outer sleeve of an outer ring are solved;
4. according to the copper-clad aluminum alloy wire, after the outer sleeve is pressed, the crescent steel pad enables the sliding column to push the pressing plug to push downwards, so that the air bag expands, on one hand, compressed gas in the air bag can relieve pressure on the outer sleeve, on the other hand, the collided air bag is matched with the pressure springs after being connected with the steel wire sleeves on two sides, partial pressure on two sides of the outer sleeve can be eliminated, and when the wire sleeves are spontaneously combusted, heptafluoromethane in the damaged air bag can effectively limit fire situations.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of an overall structure of a copper-clad aluminum alloy conductor according to a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the wire body of FIG. 1;
FIG. 3 is a schematic structural diagram of the copper-clad aluminum alloy wire shown in FIG. 2;
fig. 4 is a schematic structural view of the reset member shown in fig. 2.
In the figure: 1. the steel wire rope comprises an outer sleeve, 2, an inner cavity, 3, a copper-clad aluminum alloy wire, 4, a heat-resistant plastic insulating layer, 5, a pressure reduction layer, 51, a rubber bulge, 52, a halogen-free flame-retardant polyolefin filler, 53, a hollow plastic pipe, 6, a protective layer, 61, a conical tooth sheet, 62, a steel wire ring, 7, a plastic foaming sleeve, 8, a steel wire sleeve, 9, a plastic block, 9a, a resetting piece, 91a, a hard hollow pipe, 92a gas bag, 93a, a press plug, 94a, a sliding column, 95a, a crescent steel pad, 9b, a pressure spring, 9c, a mounting cavity, 9d, a silica gel ball, 9e, a half-arc steel wire net, 9f and a flexible plastic sheet.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the copper-clad aluminum alloy conductor of the present invention includes an outer sleeve 1 and a plastic block 9, the outer sleeve 1 is in a waist-shaped tube shape, the middle of two sides of the outer sleeve 1 is protruded, and the protruded part and the edge are provided with an excessive arc surface, a flexible plastic sheet 9f is fixedly embedded on the excessive arc surface, the outer sleeve 1 is coated with an RTV anti-pollution flashover coating, the flexible plastic sheet 9f can avoid the cracking phenomenon at the excessive arc surface of the outer sleeve 1, and the coated RTV anti-pollution flashover coating can effectively prevent moist and dirty water drops from entering the outer sleeve 1 under humid climatic conditions, thereby ensuring the normal communication of circuits in the outer sleeve 1.
In a specific implementation process, as shown in fig. 1 and 2, an inner cavity 2 is formed in an outer sleeve 1, copper-clad aluminum alloy wires 3 are arranged on two sides of the inner cavity 2, a heat-resistant plastic insulating layer 4 is fixedly sleeved on each copper-clad aluminum alloy wire 3, a pressure reduction layer 5 for reducing the compression strength of the copper-clad aluminum alloy wires 3 is installed on each heat-resistant plastic insulating layer 4, a protective layer 6 for preventing animals from occluding the copper-clad aluminum alloy wires 3 is installed on each heat-resistant plastic insulating layer 4, a plastic foaming sleeve 7 is installed on each protective layer 6, a steel wire sleeve 8 is fixedly sleeved on each plastic foaming sleeve 7 through hot melt adhesive, a semi-arc steel wire mesh 9e is fixedly embedded in an outer semi-circle of each steel wire sleeve 8, and the semi-arc steel wire mesh 9e is fixedly connected with an inner pipe wall; the heat-resistant plastic insulating layer 4 on the copper-clad aluminum alloy wire 3 can effectively prevent the insulating layer from being burnt out due to high temperature to achieve the purpose of preventing high temperature, can eliminate potential safety hazards simultaneously, and meanwhile, the mutually independent aluminum alloy wires 3 arranged on the two sides of the outer sleeve 1 are low in correlation and not easy to influence each other.
Referring to fig. 2 and 3, the pressure reducing layer 5 includes rubber protrusions 51, a halogen-free flame-retardant polyolefin filler 52 and a hollow plastic tube 53, the rubber protrusions 51 with the same specification are respectively embedded on the outer wall of the heat-resistant plastic insulating layer 4, a gap between adjacent rubber protrusions 51 is filled with a sufficient amount of halogen-free flame-retardant polyolefin filler 52, the hollow plastic tube 53 is fixedly inserted on the halogen-free flame-retardant polyolefin filler 52, and the outer ring of the halogen-free flame-retardant polyolefin filler 52 is coated with a thin HDPE tube.
It should be noted that: when the outer sleeve 1 is trampled and rolled, the rubber bulge 51 is compressed and deformed, the pressure on the copper-clad aluminum alloy wire 3 is reduced, the filled halogen-free flame-retardant polyolefin filler 52 can improve the fireproof performance of the whole structure, and meanwhile, the rubber bulge 51 and the hollow plastic pipe 53 which are deformed in a matched mode have better tensile resistance.
Referring to fig. 2 and 3, the protective layer 6 includes tapered teeth 61 and a steel wire ring 62, the tapered teeth 61 with the same specification are respectively fixedly embedded on the outer wall of the HDPE thin pipe, the tapered teeth 61 distributed in the radial direction are distributed annularly, the steel wire ring 62 penetrates through all the tapered teeth 61 distributed annularly on the same plane, and the inner ring of the plastic foam sleeve 7 is embedded in the tapered teeth 61.
It should be noted that: the conical tooth sheet 61 can effectively prevent partial rodent (such as a mouse, a cat, a dog and the like) from being bitten by, the phenomenon that the copper-clad aluminum alloy wire 3 is damaged or an animal is subjected to electric shock due to the fact that the copper-clad aluminum alloy wire 3 is directly exposed outside after each jacket layer wrapped outside the copper-clad aluminum alloy wire 3 is damaged is avoided, the steel wire ring 62 reinforced on the conical tooth sheet 61 can improve the stability of the conical tooth sheet 61 on the same plane, the plastic foaming sleeve 7 can wrap the conical tooth sheet 61, and the problem that the outer sleeve 1 of the outer ring is cut and scratched by the conical tooth sheet 61 is avoided.
Referring to fig. 2 and 4, two plastic blocks 9 with the same specification are respectively embedded in the upper and lower parts of the middle part of the inner cavity 2, a reset piece 9a is installed between the two plastic blocks 9, the reset piece 9a includes a hard hollow tube 91a, an air bag 92a, a press plug 93a, a sliding column 94a and a crescent steel pad 95a, the two hard hollow tubes 91a are respectively and fixedly embedded in the inner walls of the two plastic blocks 9, the air bag 92a is fixedly embedded between the two hard hollow tubes 91a, the air bag 92a can be filled with sufficient nitrogen or heptafluoromethane, the two hard hollow tubes 91a are respectively installed with the press plug 93a in a sliding connection, the opposite end surfaces of the two press plugs 93a are respectively and fixedly installed with the sliding column 94a, the other ends of the two sliding columns 94a respectively extend out of the hollow tubes 91a and are fixedly connected with the crescent steel pad 95a fixedly embedded in the plastic blocks 9, and the two side walls of the hard hollow tubes 91a are respectively and fixedly installed with a compression, and the other end of the pressure spring 9b is fixedly connected with the corresponding side wall of the steel wire sleeve 8.
It should be noted that: when the outer sleeve 1 is trampled and rolled, the crescent steel pad 95a is pressed at the bulge of the outer sleeve 1 to enable the sliding column 94a to push the press plug 93a to be pushed down, so that the air bag 92a expands, on one hand, the compressed air in the air bag 92a can relieve the pressure on the outer sleeve 1, on the other hand, the air bag 92a which collides with the two sides of the steel wire sleeve 8 is in contact with the pressure spring 9b, partial pressure on the two sides of the outer sleeve 1 can be eliminated, and when spontaneous combustion occurs on the wire sleeve, the heptafluoromethane in the air bag 92a after damage can effectively limit the fire.
In the embodiment, the top of the plastic block 9 is provided with an installation cavity 9c, and a plurality of silica gel balls 9d with the same specification are fixedly installed in the installation cavity 9c, and the top of the silica gel ball 9d is fixedly connected with the inner pipe wall in the middle of the outer sleeve 1, so that the convex part of the outer sleeve 1 is not easy to deform.
The principle of the copper-clad aluminum alloy conductor provided by the invention is as follows:
when the outer sleeve 1 is trampled and rolled, the rubber bulge 51 is compressed and deformed, so that the pressure on the copper-clad aluminum alloy wire 3 is reduced, the filled halogen-free flame-retardant polyolefin filler 52 can improve the fireproof performance of the whole structure, meanwhile, the deformed rubber bulge 51 and the hollow plastic tube 53 have better tensile resistance, the crescent steel pad 95a is pressed at the bulge of the outer sleeve 1, so that the sliding column 94a pushes the pressing plug 93a to push down, so that the air bag 92a expands, on one hand, the compressed gas in the air bag 92a can relieve the pressure on the outer sleeve 1, on the other hand, the collided air bag 92a is contacted with the steel wire sleeves 8 at two sides and then matched with the pressure spring 9b, so that partial pressure on two sides of the outer sleeve 1 can be eliminated, and when the wire tube spontaneously ignites, the heptafluoro methane inside the air bag 92a after being damaged can effectively limit the fire, the conical tooth sheet 61 can effectively prevent partial rodent (such as a mouse, a cat, a dog and the like) from being bitten by, the phenomenon that the copper-clad aluminum alloy wire 3 is damaged or an animal is subjected to electric shock due to the fact that the copper-clad aluminum alloy wire 3 is directly exposed outside after each jacket layer wrapped outside the copper-clad aluminum alloy wire 3 is damaged is avoided, the steel wire ring 62 reinforced on the conical tooth sheet 61 can improve the stability of the conical tooth sheet 61 on the same plane, the plastic foaming sleeve 7 can wrap the conical tooth sheet 61, and the problem that the outer sleeve 1 of the outer ring is cut and scratched by the conical tooth sheet 61 is avoided.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A copper-clad aluminum alloy wire is characterized in that: the method comprises the following steps:
the outer sleeve (1) is in a waist-shaped tubular shape, an inner cavity (2) is formed in the outer sleeve (1), and copper-clad aluminum alloy wires (3) are arranged on two sides of the inner cavity (2);
the plastic block (9) is embedded in the upper portion and the lower portion of the middle of the inner cavity (2) respectively, and the two plastic blocks (9) are the same in specification, and a reset piece (9a) is installed between the two plastic blocks (9).
2. The copper-clad aluminum alloy conductor of claim 1, wherein: each all fixed cover is equipped with heat-resisting plastic insulation layer (4) on copper clad aluminum alloy wire (3), install on heat-resisting plastic insulation layer (4) and be used for reducing step-down layer (5) of copper clad aluminum alloy wire (3) compressive strength, install inoxidizing coating (6) that are used for preventing animal interlock copper clad aluminum alloy wire (3) on heat-resisting plastic insulation layer (4), install plastic foaming cover (7) on inoxidizing coating (6), and fixed steel wire sleeve pipe (8) of having cup jointed through the hot melt adhesive on plastic foaming cover (7).
3. The copper-clad aluminum alloy conductor of claim 2, wherein: the pressure reduction layer (5) comprises rubber bulges (51), halogen-free flame-retardant polyolefin fillers (52) and hollow plastic pipes (53), wherein the rubber bulges (51) are embedded on the outer wall of the heat-resistant plastic insulating layer (4) respectively, and sufficient halogen-free flame-retardant polyolefin fillers (52) are filled in gaps between the adjacent rubber bulges (51), the halogen-free flame-retardant polyolefin fillers (52) are fixedly inserted with the hollow plastic pipes (53), and the outer rings of the halogen-free flame-retardant polyolefin fillers (52) are coated with HDPE thin pipes.
4. The copper-clad aluminum alloy conductor of claim 2, wherein: the protective layer (6) comprises conical tooth sheets (61) and a steel wire ring (62), the conical tooth sheets (61) with the same specification are fixedly embedded on the outer pipe wall of the HDPE thin pipe respectively, the conical tooth sheets (61) distributed in the radial direction are distributed in an annular mode, the steel wire ring (62) penetrates through all the conical tooth sheets (61) which are coplanar and distributed in the annular mode, and the inner ring of the plastic foaming sleeve (7) is embedded into the conical tooth sheets (61).
5. The copper-clad aluminum alloy conductor of claim 2, wherein: the outer half circle of the steel wire casing pipe (8) is fixedly embedded with a half-arc steel wire mesh (9e), and the half-arc steel wire mesh (9e) is fixedly connected with the inner pipe wall of the outer casing pipe (1) in a co-extrusion mode.
6. The copper-clad aluminum alloy conductor of claim 1, wherein: reset piece (9a) including stereoplasm hollow tube (91a), gasbag (92a), pressure plug (93a), slip post (94a) and crescent steel pad (95a), two stereoplasm hollow tube (91a) fixed gomphosis respectively on the inner wall of two plastic block (9), and fixed gomphosis has gasbag (92a) between two stereoplasm hollow tube (91a), two all install sliding connection's pressure plug (93a) in stereoplasm hollow tube (91a), and two equal fixed mounting of terminal surface that presses plug (93a) to carry on the back the body have slip post (94a), two the other end of slip post (94a) extends hollow tube (91a) respectively and with fixed gomphosis crescent steel pad (95a) fixed connection in plastic block (9).
7. The copper-clad aluminum alloy conductor of claim 6, wherein: and two side walls of the hard hollow pipe (91a) are fixedly provided with a pressure spring (9b), and the other end of the pressure spring (9b) is fixedly connected with the corresponding side wall of the steel wire sleeve (8).
8. The copper-clad aluminum alloy conductor of claim 1, wherein: an installation cavity (9c) is formed in the top of the plastic block (9), a plurality of silica gel balls (9d) with the same specification are fixedly installed in the installation cavity (9c), and the top of each silica gel ball (9d) is fixedly connected with the inner pipe wall in the middle of the outer sleeve (1).
9. The copper-clad aluminum alloy conductor of claim 1, wherein: the middle parts of the two sides of the outer sleeve (1) are protruded, transition arc surfaces are arranged at the protruded parts and the edges, and flexible plastic sheets (9f) are fixedly embedded on the transition arc surfaces.
10. The copper-clad aluminum alloy conductor of claim 1, wherein: the outer sleeve (1) is coated with RTV anti-pollution flashover coating.
CN202011532646.6A 2020-12-22 2020-12-22 Copper-clad aluminum alloy conductor Pending CN112712921A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113936851A (en) * 2021-11-02 2022-01-14 怀化宇隆电工材料有限公司 Tensile cable for preparing connecting wire of charging gun

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