CN217902785U

CN217902785U - Cold-resistant anticorrosive insulating aerial [ insulated ] cable

Info

Publication number: CN217902785U
Application number: CN202221644202.6U
Authority: CN
Inventors: 周鹏; 吴忠伟; 骆志平
Original assignee: Wuxi Dengfeng Cable Co ltd
Current assignee: Wuxi Dengfeng Cable Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-25
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a cold-resistant anticorrosive insulating aerial [ insulated ] cable, including stretch-proofing sinle silk, conductive copper core, conductive core and oversheath, stretch-proofing sinle silk's the outside is provided with the inner sheath, conductive copper core, conductive core's the outside is provided with insulating layer, first heat-conducting layer respectively, conductive core includes insulating cladding net and sets up at the inboard inside graphite particle of insulating cladding net, conductive copper core, conductive core interval winding are in stretch-proofing sinle silk's the outside and constitute the internal line body, the outside of the internal line body has set gradually filling layer, second heat-conducting layer, insulating cover, the oversheath cover is established in the outside of insulating cover, just the outside of oversheath is provided with the anticorrosive coating. The utility model discloses cross the electric conduction sinle silk circular telegram and produce the heat to by first heat-conducting layer, second heat-conducting layer with heat transfer to the inside of cable, maintain the inside temperature of cable, thereby prevent that the cable is whole to become fragile, produce the crack under low temperature environment.

Description

Cold-resistant anticorrosive insulating aerial [ insulated ] cable

Technical Field

The utility model relates to a relevant technical field of cable specifically is a cold-resistant anticorrosive insulating aerial [ insulated ] cable.

Background

The overhead cable (called overhead insulated cable) is an overhead conductor with insulating layer and protective sheath, and is a special cable made up by adopting the similar production process of cross-linked cable, and is a new power transmission mode between overhead conductor and underground cable. The aerial cable is a single core, and can be divided into a duralumin wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core threaded structure (the wire core can be duralumin or duralumin wire) and the like according to different structures.

Because the distance overlength that the overhead cable set up when using, current overhead cable has the relatively poor condition of tensile strength ability, is unfavorable for long distance laying, simultaneously, lays the overhead cable in severe cold district, and the condition that current overhead cable produced the crack because low temperature environment appears easily makes the overhead cable receive the damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold-resistant anticorrosive insulating aerial [ insulated ] cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a cold-resistant anticorrosive insulating aerial [ insulated ] cable, includes stretch-proofing sinle silk, conductive copper core, conductive core and oversheath, stretch-proofing sinle silk's the outside is provided with the inner sheath, conductive copper core, conductive core's the outside is provided with insulating layer, first heat-conducting layer respectively, conductive core includes insulating cladding net and sets up at the inboard inside graphite particle of insulating cladding net, conductive copper core, conductive core interval winding are in stretch-proofing sinle silk's the outside and constitute the internal thread body, the outside of the internal thread body has set gradually filling layer, second heat-conducting layer, insulating cover, the oversheath cover is established in the outside of insulating cover, just the outside of oversheath is provided with the anticorrosive coating.

As a further preferred feature of the present invention, the filling layer is made of insulating particles, and the insulating particles are abutted to the inner sheath, the insulating layer, the outer surface of the first heat conducting layer, and the inner surface of the second heat conducting layer.

As a further preferable mode of the present technical solution, the outer wall of the first heat conduction layer is provided with a plurality of heat conduction fins.

As a further preferred option of this technical scheme, the outside of stretch-proofing sinle silk is provided with tensile structure, tensile structure includes a plurality of cardboard and cassette, the cardboard sets up in the inboard of second heat-conducting layer, and with the inner wall fixed connection of second heat-conducting layer, the cassette sets up the outside surface of sheath including, the middle part of cassette is through seting up the draw-in groove and inlay in the centre bore department of cardboard.

As a further preferred aspect of the present technical solution, the clamping plate is provided with a plurality of first through holes and second through holes on an outer side of the central hole, the conductive copper core is disposed inside the first through holes, and the conductive wire core is disposed inside the second through holes.

As a further preferable feature of the present invention, the clamping plate has a plurality of openings formed in a hole wall of the central hole.

As a further preferable mode of the present invention, the outer side surface of the corrosion-resistant layer is provided with a wear-resistant coating.

The utility model provides a cold-resistant anticorrosive insulating aerial [ insulated ] cable possesses following beneficial effect:

(1) The utility model discloses a set up conductive core in the outside of stretch-proofing sinle silk, and set up the outside at stretch-proofing rope sinle silk with conductive copper core interval winding, set up first heat-conducting layer in the outside of conductive core simultaneously, set up the second heat-conducting layer in the outside of the line body, in the use, be connected conductive core and outside power, thereby produce the heat through the circular telegram of conductive core, and by first heat-conducting layer, the inside with heat transfer to cable of second heat-conducting layer, maintain the inside temperature of cable, thereby prevent that the cable is whole to become fragile under low temperature environment, produce the crack.

(2) The utility model discloses a set up tensile structure in the inside of cable, with the cardboard of tensile structure and the cassette block in the stretch-proofing sinle silk outside, prevent that the cable from receiving tensile, electrically conductive copper core or electrically conductive sinle silk fracture, and when the cable received the bending, the insulating particle of filling layer takes place relative displacement, and the cardboard takes place deformation along the opening in centre bore department to avoid causing the damage to the cable.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is an enlarged view of the present invention at a in fig. 1;

fig. 3 is a schematic structural view of the conductive wire core of the present invention;

FIG. 4 is a schematic view of the connection between the clamping plate and the clamping seat of the present invention;

figure 5 is a side view of the clip of the present invention.

In the figure: 1. a tensile wire core; 2. a conductive copper core; 3. a conductive wire core; 4. an outer sheath; 5. an inner sheath; 6. an insulating layer; 7. a first thermally conductive layer; 8. insulating and covering the net; 9. graphite particles; 10. a filling layer; 11. a second thermally conductive layer; 12. an insulating sleeve; 13. an anticorrosive layer; 14. clamping a plate; 15. a card holder; 16. a central bore; 17. a first perforation; 18. a second perforation; 19. and (4) opening.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-5, the utility model provides a technical scheme: the utility model provides a cold-resistant anticorrosive insulating aerial [ insulated ] cable, includes stretch-proofing sinle silk 1, conductive copper core 2, conductive core 3 and oversheath 4, stretch-proofing sinle silk 1's the outside is provided with inner sheath 5, conductive copper core 2, conductive core 3's the outside is provided with insulating layer 6, first heat-conducting layer 7 respectively, conductive core 3 includes insulating coated net 8 and sets up at the inside graphite particle 9 of insulating coated net 8 inboard, conductive copper core 2, conductive core 3 interval winding are in stretch-proofing sinle silk 1's the outside and constitute the internal line body, the outside of the internal line body has set gradually filling layer 10, second heat-conducting layer 11, insulating cover 12, oversheath 4 cover is established in the outside of insulating cover 12, just the outside of oversheath 4 is provided with anticorrosive coating 13.

In this embodiment, specifically: the filling layer 10 is specifically made of insulating particles, and the insulating particles are abutted with the inner sheath 5, the insulating layer 6, the outer side surface of the first heat conduction layer 7 and the inner side surface of the second heat conduction layer 11.

In this embodiment, specifically: the outer wall of the first heat conduction layer 7 is provided with the heat conduction fins, so that heat generated by the conductive wire core 3 can be quickly transferred to the outside of the first heat conduction layer 7, and the cable is prevented from becoming brittle and generating cracks under a low-temperature environment.

In this embodiment, specifically: the outside of stretch-proofing sinle silk 1 is provided with tensile structure, tensile structure includes a plurality of cardboard 14 and cassette 15, cardboard 14 sets up in the inboard of second heat-conducting layer 11, and with the inner wall fixed connection of second heat-conducting layer 11, cassette 15 sets up at the outside surface of sheath 5, the middle part of cassette 15 inlays the centre bore 16 department of establishing at cardboard 14 through seting up the draw-in groove, is connected electrically conductive copper core 2, electrically conductive sinle silk 3 and stretch-proofing sinle silk 1 through cardboard 14, cassette 15 to effectual when receiving tensile, electrically conductive copper core 2 or electrically conductive sinle silk 3 fracture have been prevented.

In this embodiment, specifically: the card board 14 is provided with a plurality of first through holes 17 and second through holes 18 on the outer side of the central hole 16, the conductive copper core 2 is arranged inside the first through holes 17, and the conductive wire core 3 is arranged inside the second through holes 18.

In this embodiment, specifically: the clamping plate 14 is provided with a plurality of openings 19 on the hole wall of the central hole 16, and when the cable is integrally bent, the clamping plate 14 deforms along the openings 19 on the central hole 16, so that the cable is prevented from being damaged.

In this embodiment, specifically: the outer side surface of the anticorrosive coating 13 is provided with a wear-resistant coating, so that the overall wear resistance of the device is improved.

The working principle is that after the cable is integrally installed, the end of the conductive wire core 3 is connected with an external power supply, so that in the using process, the graphite particles 9 of the conductive wire core 3 are conductive and generate heat, and the heat is transferred to the inside of the cable under the action of the first heat conduction layer 7 and the second heat conduction layer 11, so that the temperature inside the cable is maintained, and the whole cable is effectively prevented from becoming brittle and cracking in a low-temperature environment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cold-resistant anticorrosive insulating aerial cable, its characterized in that, includes stretch-proofing sinle silk (1), conductive copper core (2), conductive sinle silk (3) and oversheath (4), the outside of stretch-proofing sinle silk (1) is provided with inner sheath (5), the outside of conductive copper core (2), conductive sinle silk (3) is provided with insulating layer (6), first heat-conducting layer (7) respectively, conductive sinle silk (3) are including insulating coated net (8) and set up inside graphite particle (9) at insulating coated net (8) inboard, conductive copper core (2), conductive sinle silk (3) interval winding are in the outside of stretch-proofing sinle silk (1) and constitute the internal line body, the outside of the internal line body has set gradually filling layer (10), second heat-conducting layer (11), insulating cover (12), oversheath (4) cover is established in the outside of insulating cover (12), just the outside of oversheath (4) is provided with anticorrosive coating (13).

2. The cold-resistant anticorrosive insulated overhead cable of claim 1, characterized in that: the filling layer (10) is made of insulating particles, and the insulating particles are abutted to the inner sheath (5), the insulating layer (6), the outer side surface of the first heat conduction layer (7) and the inner side surface of the second heat conduction layer (11).

3. The cold-resistant anticorrosive insulated overhead cable of claim 1, characterized in that: the outer wall of the first heat conduction layer (7) is provided with a plurality of heat conduction fins.

4. The cold-resistant anticorrosive insulated overhead cable of claim 1, characterized in that: the outer side of stretch-proofing sinle silk (1) is provided with tensile structure, tensile structure includes a plurality of cardboard (14) and cassette (15), cardboard (14) set up in the inboard of second heat-conducting layer (11), and with the inner wall fixed connection of second heat-conducting layer (11), the outside surface of sheath (5) including cassette (15) set up, the middle part of cassette (15) is inlayed and is established centre bore (16) department at cardboard (14) through seting up the draw-in groove.

5. The cold-resistant anticorrosive insulated overhead cable of claim 4, characterized in that: the clamping plate (14) is provided with a plurality of first through holes (17) and second through holes (18) on the outer side of the central hole (16), the conductive copper core (2) is arranged inside the first through holes (17), and the conductive wire core (3) is arranged inside the second through holes (18).

6. The cold-resistant anticorrosive insulated overhead cable of claim 4, characterized in that: the clamping plate (14) is provided with a plurality of openings (19) on the hole wall of the central hole (16).

7. The cold-resistant anticorrosive insulated overhead cable of claim 1, characterized in that: and the outer side surface of the anticorrosive layer (13) is provided with a wear-resistant coating.