CN218414053U

CN218414053U - Armored safety cable

Info

Publication number: CN218414053U
Application number: CN202222373870.6U
Authority: CN
Inventors: 邢明; 郎旬旬; 叶蕾; 夏国兴; 徐皞博; 闫继鹏
Original assignee: Ruiyang Group Northeast Cable Co ltd
Current assignee: Ruiyang Group Northeast Cable Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-31
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to an armoured cable technical field, and an armoured safety cable is disclosed, including the back shaft, the outer wall fixed mounting of back shaft has five evenly distributed's isolation layer, is provided with the insulating layer between per two adjacent isolation layers, and the cross section of insulating layer is the loop configuration, and the inside of every insulating layer all is provided with the copper core, and the cross section of copper core is circular, and the outer wall of every insulating layer and correspond and be provided with the insulating filling layer between two isolation layers, the utility model discloses in, because be provided with double-sided insulating tape between inner sheath and the steel band armor, and the double-sided double-insulated tape all has viscidity, the outer wall of sheath including double-sided insulating tape can the adhesion, makes the steel band armor adhesion on double-sided insulating tape's outer wall simultaneously, makes the steel band armor break away from with double-sided insulating tape, leads to the steel band armor can't produce not hard up with cable subassembly to avoid the cable further damage or phenomenon such as the infiltration to appear.

Description

Armored safety cable

Technical Field

The utility model relates to an armoured cable technical field especially relates to an armoured safety cable.

Background

The armored cable is characterized in that a layer of steel belt is wrapped on the outer layer of the cable, the damage condition of the cable in the extrusion process can be reduced, the frequency of short circuit phenomena is reduced, meanwhile, the gnawing of mice and birds in the field can be prevented, the transmission of field power is protected, the armored cable is usually used under the geographical condition, and the armored cable can be used for cable trench laying or direct burial.

The existing armored cable is generally characterized in that a layer of steel belt is wrapped on the outer layer of a cable component, but the steel belt cannot be well attached to an internal cable component, and if a cable outer sheath is damaged, the steel belt is easily separated from the cable component, so that short circuit phenomenon occurs in water seepage inside the cable.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide an armor formula safety cable.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, an armoured safety cable, including the back shaft, the outer wall fixed mounting of back shaft has five evenly distributed's isolation layer, be provided with the insulating layer between per two adjacent isolation layers, the cross section of insulating layer is the loop configuration, the inside of every insulating layer all is provided with the copper core, the cross section of copper core is circular, the outer wall of every insulating layer and corresponding be provided with insulating filling layer between two isolation layers, insulating filling layer's outer wall fixedly connected with inner sheath, the cross section of inner sheath is the loop configuration, the outer wall fixedly connected with double-sided insulating sticky tape of inner sheath, double-sided insulating sticky tape's cross section is the loop configuration, double-sided insulating sticky tape's outer wall fixedly connected with steel band armor, the cross section of steel band armor is the loop configuration.

Preferably, the support shaft has a circular cross-section.

Preferably, the cross section of the isolation layer is a rectangular structure.

Preferably, the outer wall surface of the steel strip armor layer is fixedly connected with a water-resistant layer, and the cross section of the water-resistant layer is of an annular structure.

Preferably, the outer wall surface of the waterproof layer is fixedly connected with a fireproof protective layer, the cross section of the fireproof protective layer is of an annular structure, the outer wall surface of the fireproof protective layer is fixedly connected with an outer sheath, and the cross section of the outer sheath is of an annular structure.

Advantageous effects

The utility model provides an armor formula safety cable. The method has the following beneficial effects:

(1) This armored safety cable, in the in-service use process, the inside transmission of signal of telecommunication at the copper core, the signal of telecommunication passes through the insulating layer and keeps apart when the inside transmission of copper core, if the cable appears artificial construction or when open-air worm and mouse gnaws the damage, at first can pass through the oversheath, the fire protection layer, the water blocking layer, the steel band armor is protected, if the oversheath, the fire protection layer, the damage appears in the water blocking layer, the not hard up and cable subassembly break away from the condition appear very easily in the steel band armor under general condition, lead to the unable performance of the protecting effect of steel band armor, nevertheless because be provided with double-sided insulating tape between inner sheath and the steel band armor this moment, and double-sided insulating tape is two-sided all has viscidity, the outer wall of sheath including double-sided insulating tape can the adhesion, make the steel band armor adhesion on double-sided insulating tape's outer wall simultaneously, make the steel band armor can's unable and double-sided insulating tape break away from, lead to the unable infiltration of steel band layer and cable subassembly to produce not hard up, thereby avoid the further damage of cable or phenomenon such as short circuit to appear.

(2) This armored safety cable, because the outer wall fixed mounting of back shaft has five evenly distributed's isolation layer, the cross section of isolation layer is the rectangle structure, when the cable outside receives the extrusion, the effort can pass through the oversheath, the fire protection layer, the water blocking layer, the steel strip armor, double-sided insulating adhesive tape, the inner sheath and then produce the extrusion to the isolation layer, the isolation layer can avoid insulating layer and copper core directly to receive the extrusion and influence signal of telecommunication transmission, the back shaft can produce the support to the isolation layer simultaneously, the reinforcing protecting effect, the outer wall fixedly connected with water blocking layer of steel strip armor simultaneously, the outer wall fixedly connected with fire protection layer of water blocking layer, the water blocking layer can be isolated with outside moisture and play the effect of blocking water, the fire protection layer can isolated outside intensity of a fire to inside delay burning, play the effect of protection cable, thereby the life of improvement cable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a detailed schematic diagram of the internal structure of the insulating layer of the present invention.

Illustration of the drawings:

1. a support shaft; 2. an isolation layer; 3. an insulating layer; 4. a copper core; 5. an insulating filling layer; 6. an inner sheath; 7. double-sided insulating tape; 8. a steel tape armor layer; 9. a water resistant layer; 10. a fire protection layer; 11. an outer sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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 work belong to the protection scope of the present invention.

Example (b): the utility model provides an armoured type safety cable, as shown in fig. 1-3, including back shaft 1, the cross section of back shaft 1 is circular, the outer wall fixed mounting of back shaft 1 has five evenly distributed's isolation layer 2, the cross section of isolation layer 2 is the rectangle structure, be provided with insulating layer 3 between every two adjacent isolation layers 2, the cross section of insulating layer 3 is the annular structure, the inside of every insulating layer 3 all is provided with copper core 4, the cross section of copper core 4 is circular, be provided with insulating filling layer 5 between the outer wall of every insulating layer 3 and the two isolation layers 2 that correspond, the outer wall fixedly connected with inner sheath 6 of insulating filling layer 5, the cross section of inner sheath 6 is the annular structure, the outer wall fixedly connected with double-sided insulating tape 7 of inner sheath 6, the cross section of double-sided insulating tape 7 is the annular structure, the outer wall fixedly connected with steel strip armouring layer 8 of double-sided insulating tape 7, the cross section of armouring layer 8 is the annular structure, the outer wall fixedly connected with water blocking layer 9 of armouring layer 8, the cross section of water blocking layer 9 is the annular structure, the outer wall fixedly connected with protective layer 10 of fire-resistant layer 10, the outer wall fixedly connected with protective layer 11 of fire-resistant layer.

The utility model discloses a theory of operation:

further, in the actual use process, the electric signal is transmitted inside the copper core 4, the electric signal is isolated by the insulating layer 3 when being transmitted inside the copper core 4, if the cable is artificially constructed or damaged by gnawing of insects and rats in the field, the electric signal can firstly pass through the outer sheath 11, the fireproof protective layer 10, the water blocking layer 9 and the steel tape armor layer 8 to protect, if the outer sheath 11, the fireproof protective layer 10 and the water blocking layer 9 are damaged, the steel tape armor layer 8 is easy to loosen and separate from the cable assembly under the general condition, so that the protection effect of the steel tape armor layer 8 cannot be exerted, but because the double-sided insulating adhesive tape 7 is arranged between the inner sheath 6 and the steel tape armor layer 8 at the moment, the double-sided insulating adhesive tape 7 has double sides with viscosity, the double-sided insulating adhesive tape 7 can be adhered to the outer wall surface of the inner sheath 6, and the steel tape armor layer 8 is adhered to the outer wall surface of the double-sided insulating adhesive tape 7, so that the steel tape armor layer 8 cannot separate from the double-sided insulating tape 7, so that the steel tape armor layer 8 cannot loosen from the cable assembly, thereby avoiding further damage or the phenomena of short circuit and the like.

Further, because the outer wall fixed mounting of back shaft 1 has five evenly distributed's isolation layer 2, the cross section of isolation layer 2 is the rectangle structure, when the cable outside received the extrusion, the effort can be through oversheath 11, fire protection layer 10, water blocking layer 9, steel strip armor 8, double-sided insulating tape 7, inner sheath 6 and then produce the extrusion to isolation layer 2, isolation layer 2 can avoid insulating layer 3 and copper core 4 directly to receive the extrusion to influence signal of telecommunication transmission, back shaft 1 can support isolation layer 2 simultaneously, reinforcing protecting effect, simultaneously steel strip armor 8's outer wall fixedly connected with water blocking layer 9, water blocking layer 9's outer wall fixedly connected with fire protection layer 10, water blocking layer 9 can completely cut off outside moisture and play the effect of blocking water, fire protection layer 10 can completely cut off outside intensity of a fire to inside delay burning, play the effect of protection cable, thereby the life of improvement cable.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An armoured safety cable, comprising a support shaft (1), characterized in that: the outer wall fixed mounting of back shaft (1) has five evenly distributed's isolation layer (2), be provided with insulating layer (3) between per two adjacent isolation layer (2), the cross section of insulating layer (3) is the loop configuration, the inside of every insulating layer (3) all is provided with copper core (4), the cross section of copper core (4) is circular, be provided with insulating filling layer (5) between the outer wall of every insulating layer (3) and two isolation layer (2) of correspondence, the outer wall fixedly connected with inner sheath (6) of insulating filling layer (5), the cross section of inner sheath (6) is the loop configuration, the outer wall fixedly connected with double-sided insulating tape (7) of inner sheath (6), the cross section of double-sided insulating tape (7) is the loop configuration, the outer wall fixedly connected with steel band armor (8) of double-sided insulating tape (7), the cross section of steel band armor (8) is the loop configuration.

2. An armored safety cable according to claim 1, wherein: the cross section of the supporting shaft (1) is circular.

3. An armored safety cable according to claim 1, wherein: the cross section of the isolation layer (2) is of a rectangular structure.

4. An armored safety cable according to claim 1, wherein: the outer wall surface of the steel-tape armor layer (8) is fixedly connected with a water-resistant layer (9), and the cross section of the water-resistant layer (9) is of an annular structure.

5. An armored safety cable according to claim 4, wherein: the outer wall surface of the waterproof layer (9) is fixedly connected with a fireproof protective layer (10), the cross section of the fireproof protective layer (10) is of an annular structure, the outer wall surface of the fireproof protective layer (10) is fixedly connected with an outer sheath (11), and the cross section of the outer sheath (11) is of an annular structure.