CN211929097U

CN211929097U - Single-core aluminum sheath cable

Info

Publication number: CN211929097U
Application number: CN202020513935.0U
Authority: CN
Inventors: 于红霞; 崔耀华; 孙建伟; 桑胜男
Original assignee: Shandong Kunyu Cable Co ltd
Current assignee: Shandong Kunyu Cable Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-11-13
Anticipated expiration: 2030-04-09

Abstract

The utility model relates to a single core aluminium sheath cable, including the conductor, the conductor outsourcing is equipped with the rubber sleeve, and the rubber sleeve outsourcing is equipped with fire-resistant belting, and fire-resistant belting is provided with the copper sheathing outward, and the copper sheathing is provided with the copper mesh cover outward, and the copper mesh cover overcoat is equipped with the aluminium mesh cover, and the aluminium mesh cover is provided with the aluminium sheath outward, and it has the fire prevention insulating layer to fill between aluminium sheath and the aluminium mesh cover. The utility model discloses in, the cover is equipped with copper sheathing, copper mesh cover and aluminium mesh cover between conductor and the aluminium sheath through cable owner core to when making sheath inner wall and cable owner core bump, receive the three-layer protection of copper sheathing, copper mesh cover and aluminium mesh cover, realized a collision-resistant's breakage-proof single core cable.

Description

Single-core aluminum sheath cable

Technical Field

The utility model belongs to the technical field of the cable technique and specifically relates to a single core aluminum sheath cable.

Background

Along with economic construction's high-speed development, the power consumption safety receives people's attention more and more, guarantees that transmission line's safety becomes the first task of prevention electric fire, and the cable on the existing market adopts insulating material to wrap up the wire more, then sheathes in metal protection overcoat, fills some fillers that are used for extrusion fixed wire that have insulating fire prevention function between metal protection overcoat and cable.

However, in the transportation and use process of the existing single-core cable, the conducting wire often collides with the inner wall of the metal protective outer sleeve in a friction mode, so that the insulating material wrapping the conducting wire is damaged, the safety of a power transmission line is seriously affected, and the service life of the conducting wire is shortened.

Disclosure of Invention

The utility model is a single core aluminium sheath cable that takes place damaged problem easily in order to solve the collision of single core cable, and proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a single core aluminium sheath cable, includes the conductor, the conductor outsourcing is equipped with the rubber sleeve, the rubber sleeve outsourcing is equipped with fire-resistant band, be provided with the copper sheathing outside the fire-resistant band, the copper sheathing is provided with the copper net cover outward, the copper net cover overcoat is equipped with the aluminium net cover, the aluminium net cover is provided with the aluminium sheath outward, it has the fire prevention insulating layer to fill between aluminium sheath and the aluminium net cover.

Preferably, a sand sleeve is arranged between the fire-resistant wrapping tape and the copper sheath, and an insulating and heat-insulating layer is filled between the sand sleeve and the fire-resistant wrapping tape.

Preferably, the sand sleeve consists of a fire-resistant cloth sleeve and fine sand in the fire-resistant cloth sleeve, a plurality of sand strips are circumferentially arrayed on the side wall of the sand sleeve, and the length of each sand strip is parallel to the axial lead of the conductor.

Preferably, a plurality of clamping seats are circumferentially arrayed on the end face of the inner side of the copper sheath, and the clamping seats are clamped with the corresponding sand bars.

Preferably, the fireproof insulating layer is made of mica tapes and is wrapped outside the aluminum mesh sleeve.

Preferably, the insulating layer is a mixture of ceramic silicon rubber and foam fragments.

Preferably, the fire-resistant wrapping tape and the fire-resistant cloth cover are both woven by nomex fibers and Kevlar aramid fibers.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the cover is equipped with copper sheathing, copper mesh cover and aluminium mesh cover between conductor and the aluminium sheath through cable owner core to when making sheath inner wall and cable owner core bump, receive the three-layer protection of copper sheathing, copper mesh cover and aluminium mesh cover, realized a collision-resistant's breakage-proof single core cable.

2. The utility model discloses in, through the setting of outer fire prevention insulating layer, the setting of inboard insulating insulation layer to and inside packing has the setting of the husky cover of fine sand, and the setting of the fire-resistant band of establishing of conductor outer continuous bag, with the fire proofness that has improved single core cable.

Drawings

Fig. 1 shows a schematic cross-sectional view provided in accordance with an embodiment of the present invention;

fig. 2 is a schematic side view illustrating a copper mesh and an aluminum mesh sleeve provided according to an embodiment of the present invention;

fig. 3 shows a schematic diagram of a sand cover side view provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a conductor; 2. a rubber sleeve; 3. fire-resistant wrapping tape; 4. an insulating and heat-insulating layer; 5. sleeving sand; 6. sand strip; 7. a copper sheath; 8. a card holder; 9. an aluminum mesh sleeve; 10. a copper mesh sleeve; 11. a fire-resistant insulating layer; 12. an aluminum sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be made clear below by referring to the attached drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a single-core aluminum sheath cable comprises a conductor 1, wherein a rubber sleeve 2 is arranged outside the conductor 1, the rubber sleeve 2 is used for basic insulation protection of the conductor 1, a fireproof wrapping tape 3 is arranged outside the rubber sleeve 2, the fireproof wrapping tape 3 is used for performing first-layer fireproof protection on the conductor, a copper sheath 7 is arranged outside the fireproof wrapping tape 3, the thickness of the copper sheath 7 is optimized to be 1-3mm, and the copper sheath 7 is optimized to be one layer of loss prevention protection of the conductor 1; the copper mesh sleeve 10 is arranged outside the copper sheath 7, the aluminum mesh sleeve 9 is sleeved outside the copper mesh sleeve 10, and preferably, the copper mesh sleeve 10 and the aluminum mesh sleeve 9 are tightly attached to be used for two-layer damage prevention protection of the conductor 1, so that the single-core cable capable of preventing breakage and damage is realized; an aluminum sheath 12 is arranged outside the aluminum mesh 9, the thickness of the aluminum sheath 12 is optimized to be 2-5mm and used for protecting three layers of damage prevention and outer fire resistance outside the single-core cable, a fireproof insulating layer 11 is filled between the aluminum sheath 12 and the aluminum mesh 9, and the thickness of the fireproof insulating layer 11 is optimized to be 3-6mm and used for protecting the fire prevention and insulation of the single-core cable.

Specifically, as shown in fig. 1-3, a sand sleeve 5 is arranged between a fire-resistant wrapping tape 3 and a copper sheath 7, an insulating and heat-insulating layer 4 is filled between the sand sleeve 5 and the fire-resistant wrapping tape 3, and the insulating and heat-insulating layer 4 is used for heat insulation and insulation of the cable conductor 1, so that the influence of external high temperature on the main body of the conductor 1 is reduced, and the fire resistance of the conductor 1 is improved; the sand sleeve 5 is composed of a fire-resistant cloth sleeve and fine sand in the fire-resistant cloth sleeve, when a fire disaster happens, if the fire-resistant cloth sleeve is damaged, the fine sand in the cloth sleeve is gushed out to realize the fire extinguishing treatment of the cable, the fire resistance of the single-core cable is improved, the fire hazard is reduced, a plurality of sand strips 6 are circumferentially arrayed on the side wall of the sand sleeve 5, the sand strips 6 are sewn with the fire-resistant cloth sleeve, the length of the sand strips 6 is parallel to the axial lead of the conductor 1, so that gaps are reserved among the sand strips 6 to facilitate the change of the external diameter of the main body of the conductor 1 caused by thermal expansion and cold contraction; the circumference array has a plurality of cassettes 8 on the medial surface of copper sheath 7, and cassette 8 and the 6 joint of sand strip that correspond have guaranteed the stability that 7 suspended packages of copper sheath were established.

Specifically, as shown in fig. 1, the fireproof insulating layer 11 is a mica tape, preferably, the mica tape in the patent is a synthetic mica tape fluorophlogopite tape, and does not contain crystal water; the insulation layer 4 is a mixture of ceramic silicon rubber and foam fragments, the ceramic silicon rubber has excellent characteristics of fire resistance, flame retardance, low smoke, no toxicity and the like, and is combined with the foam fragments to improve the fire resistance and high temperature resistance of the conductor 1; the fire-resistant wrapping tape 3 and the fire-resistant cloth cover are both formed by weaving nomex fibers and Kevlar aramid fibers, and the fire-resistant wrapping tape 3 is continuously wound on the rubber cover 2, so that the impact-resistant, high-temperature-resistant and fire-resistant single-core cable is realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a single core aluminium sheath cable, includes conductor (1), its characterized in that, conductor (1) outsourcing is equipped with rubber sleeve (2), rubber sleeve (2) outsourcing is equipped with fire-resistant band (3), fire-resistant band (3) are provided with copper sheath (7) outward, copper sheath (7) are provided with copper mesh cover (10) outward, copper mesh cover (10) overcoat is equipped with aluminium mesh cover (9), aluminium mesh cover (9) are provided with aluminium sheath (12) outward, it has fire-proof insulation layer (11) to fill between aluminium sheath (12) and aluminium mesh cover (9).

2. The single-core aluminum sheathed cable according to claim 1, wherein a sand sleeve (5) is arranged between the fire-resistant wrapping tape (3) and the copper sheath (7), and an insulating and heat-insulating layer (4) is filled between the sand sleeve (5) and the fire-resistant wrapping tape (3).

3. The mono-core aluminum sheathed cable according to claim 2, wherein the sand cover (5) is composed of a fire-resistant cloth cover and fine sand in the fire-resistant cloth cover, a plurality of sand stripes (6) are arrayed on the side wall of the sand cover (5) in a circumferential manner, and the length of the sand stripes (6) is parallel to the axial lead of the conductor (1).

4. The mono-core aluminum sheath cable according to claim 2, wherein a plurality of clamping seats (8) are circumferentially arrayed on the inner side end face of the copper sheath (7), and the clamping seats (8) are clamped with the corresponding sand strips (6).

5. The single core aluminum sheathed cable according to claim 1, wherein the fire-proof insulating layer (11) is a mica tape and is wrapped outside the aluminum mesh (9).

6. The single-core aluminum sheath cable as claimed in claim 1, wherein the fire-resistant wrapping tape (3) and the fire-resistant cloth cover are all woven by nomex fibers and Kevlar aramid fibers.