CN113707376A

CN113707376A - Reinforced composite shielding instrument control cable

Info

Publication number: CN113707376A
Application number: CN202110967952.0A
Authority: CN
Inventors: 黄少成; 邵文贞; 缪鹏生; 肖含生; 汪晓林; 裴伟; 丁建国
Original assignee: Anhui Huashang Cable Technology Co ltd
Current assignee: Anhui Huashang Cable Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2021-11-26
Anticipated expiration: 2041-08-23
Also published as: CN113707376B

Abstract

The invention discloses a reinforced composite shielding instrument control cable which comprises a cable core, and an insulating layer, a copper strip shielding layer and a shielding sheath layer which are sequentially coated on the outer side of the cable core from inside to outside, wherein the cable core comprises a belting layer, a main wire core and a control wire core which are extruded and coated in the belting layer, and a reinforcing layer coated on the outer side of the belting layer; the reinforcing layer comprises semi-ring single bodies and semi-ring single bodies, wherein the semi-ring single bodies are arranged on the outer side of the reinforcing layer at equal intervals along the length direction of the belting layer, and the semi-ring single bodies are arranged on the outer side of the reinforcing layer at equal intervals along the length direction of the belting layer. When the cable is extruded, the elastic layer firstly plays a role of preliminary buffering, then, pressure is applied to the reinforcing layer, so that the semi-ring monomer I and the semi-ring monomer II are close to each other, at the moment, the inclined surface I between the semi-ring monomer I and the semi-ring monomer II is matched with the inclined surface II, the semi-ring monomer I and the semi-ring monomer move upwards in the axial direction of the cable, the pressure is decomposed to the length direction of the cable, and the pressure resistance of the cable is improved.

Description

Reinforced composite shielding instrument control cable

Technical Field

The invention relates to the technical field of cables, in particular to a reinforced composite shielding instrument control cable.

Background

At present, cables used in the fields of steel plants, power plants, ships, aviation and the like have high quality requirements on all aspects of the cables, safety in the fields is very important, and potential safety hazards generally cannot be allowed to exist.

In view of this, a reinforced composite shielding instrument control cable is designed to solve the above problems.

Disclosure of Invention

The invention aims to provide a reinforced composite shielding instrument control cable to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a reinforced composite shielding instrument control cable comprises a cable core, and an insulating layer, a copper strip shielding layer and a shielding sheath layer which are sequentially coated on the outer side of the cable core from inside to outside, wherein the cable core comprises a belting layer, a main wire core and a control wire core which are extruded and coated in the belting layer, and a reinforcing layer coated on the outer side of the belting layer;

the enhancement layer includes that the equidistant semi-ring monomer one that sets up in its outside along band length direction and the equidistant semi-ring monomer two that sets up in its outside along band length direction, wherein, the crisscross symmetry each other of semi-ring monomer two with semi-ring monomer two is attached in the both sides face in the enhancement layer outside, the both sides at semi-ring monomer one both ends all are provided with the inclined plane one of mutual symmetry, the both sides at semi-ring monomer two both ends all are provided with the inclined plane two of mutual symmetry and the mutual adaptation of inclined plane one, and are adjacent inclined plane one and inclined plane two are attached each other.

Preferably, the cable core further comprises an elastic layer coated between the reinforcing layers.

Preferably, the insulating layer is made of fluorinated ethylene propylene.

Preferably, the main wire core is composed of a tin-plated copper conductor, and a silicone rubber insulating layer, a butyronitrile insulating layer and a copper strip armor layer which are sequentially wrapped outside the tin-plated copper conductor.

Preferably, the control wire core is composed of three aluminum conductors and a polyperfluorinated ethylene insulating layer group wrapped outside the three aluminum conductors.

Compared with the prior art, the invention has the beneficial effects that:

the invention is provided with a reinforcing layer outside a belting layer, and an elastic layer outside the reinforcing layer, a first half ring monomer and a second half ring monomer are staggered and symmetrically positioned at two sides of the belting layer, a gap is arranged between the first half ring monomer and the second half ring monomer, the whole cable can be bent at the gap (namely, the first half ring monomer or the second half ring monomer at the bent position can be pushed to the elastic layer, the first half ring monomer at the adjacent position increases the distance, the second half ring monomer decreases the distance, the second half ring monomer increases the distance), the cable can be rolled for convenient transportation, when the cable is extruded, the elastic layer firstly plays a role of preliminary buffering, then, the pressure is applied to the reinforcing layer, so that the first half ring monomer and the second half ring monomer approach each other, and at the moment, the first inclined plane between the first half ring monomer and the second half ring monomer is matched with the second inclined plane, make half ring monomer one and half ring monomer two to cable axial displacement, and then decompose pressure to cable length direction, improve the compressive property of cable.

Drawings

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

fig. 2 is a schematic top view of the present invention.

In the figure: 1. an insulating layer; 2. a copper strip shielding layer; 3. a shielding sheath layer; 4. a belting layer; 5. a main wire core; 6. a control wire core; 7. a strong layer; 71. a semi-ring single body I; 72. a semi-ring monomer II; 73. a first inclined plane; 74. a second inclined plane; 8. an elastic layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is shown: a reinforced composite shielding instrument control cable comprises a cable core, and an insulating layer 1, a copper strip shielding layer 2 and a shielding sheath layer 3 which are sequentially coated on the outer side of the cable core from inside to outside, wherein the cable core comprises a belting layer 4, a main wire core 5 and a control wire core 6 which are extruded and coated in the belting layer 4, and a reinforcing layer 7 coated on the outer side of the belting layer 4;

the reinforcing layer 7 comprises semi-ring single bodies 71 which are arranged on the outer side of the reinforcing layer 4 at equal intervals along the length direction of the belting layer 4 and semi-ring single bodies 72 which are arranged on the outer side of the reinforcing layer 4 at equal intervals along the length direction of the belting layer, wherein the semi-ring single bodies 72 and the semi-ring single bodies 72 are attached to two side surfaces of the outer side of the reinforcing layer 7 in a staggered and symmetrical mode, two inclined surfaces 73 which are mutually symmetrical are arranged on two sides of two ends of each semi-ring single body 71, two inclined surfaces 74 which are mutually symmetrical and mutually matched with the inclined surfaces 73 are arranged on two sides of two ends of each semi-ring single body 72, and the adjacent inclined surfaces 73 and the inclined surfaces 74 are attached to each other;

the cable core also comprises an elastic layer 8 coated between the reinforcing layers 7.

In this embodiment, the insulating layer 1 is made of fluorinated ethylene propylene.

In this embodiment, the main core 5 is composed of a tin-plated copper conductor, and a silicone rubber insulating layer, a butyronitrile insulating layer and a copper strip armor layer which are sequentially wrapped outside the tin-plated copper conductor.

In this embodiment, the control wire core 6 is composed of three aluminum conductors and a polyperfluorinated ethylene insulating layer group wrapped outside the three aluminum conductors.

Working principle; when the cable is used, the reinforcing layer 7 is arranged on the outer side of the belting layer 4, the elastic layer 8 is arranged on the outer side of the reinforcing layer 7, the half ring single bodies 71 and the half ring single bodies 72 are mutually staggered and symmetrically positioned on two sides of the belting layer 4, a gap is formed between the adjacent half ring single bodies 71 and the adjacent half ring single bodies 72, the whole cable can be bent at the gap (namely, the half ring single bodies 71 or the half ring single bodies 72 at the bent position are pushed to the elastic layer, the distance between the adjacent half ring single bodies 71 is increased, the distance between the adjacent half ring single bodies 72 is decreased or the distance between the half ring single bodies 71 is decreased, and the distance between the adjacent half ring single bodies 72 is increased), the cable can be wound for convenient transportation, when the cable is extruded, the elastic layer 8 firstly plays a role of preliminary buffering, then, pressure is applied to the reinforcing layer to enable the half ring single bodies 71 and the half ring single bodies 72 to be close to each other, and at the inclined plane 73 between the half ring single bodies 71 and the half ring single bodies 72 is matched with the inclined plane 74, the first half-ring monomer 71 and the second half-ring monomer 72 move axially of the cable, so that the pressure is decomposed to the length direction of the cable, and the pressure resistance of the cable is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A reinforced composite shielding instrument control cable is characterized by comprising a cable core, an insulating layer (1), a copper strip shielding layer (2) and a shielding sheath layer (3), wherein the insulating layer, the copper strip shielding layer and the shielding sheath layer are sequentially coated on the outer side of the cable core from inside to outside, the cable core comprises a belting layer (4), a main wire core (5) and a control wire core (6) which are extruded and coated in the belting layer (4), and a reinforcing layer (7) coated on the outer side of the belting layer (4);

the reinforcing layer (7) comprises a first half ring monomer (71) and a second half ring monomer (72), wherein the first half ring monomer (71) is arranged on the outer side of the reinforcing layer at equal intervals along the length direction of the belting layer (4) and the second half ring monomer (72) is arranged on the outer side of the reinforcing layer at equal intervals along the length direction of the belting layer (4), the first half ring monomer (72) and the second half ring monomer (72) are symmetrically attached to the two side faces of the outer side of the reinforcing layer (7) in a staggered mode, a first inclined plane (73) is arranged on each of two sides of the first half ring monomer (71), a second inclined plane (74) which is symmetrical to each other and is matched with the first inclined plane (73) is arranged on each of two sides of two ends of the second half ring monomer (72), and the first inclined plane (73) and the second inclined plane (74) are adjacent to each other.

2. The reinforced composite shielding instrument control cable of claim 1, wherein: the cable core further comprises an elastic layer (8) coated between the reinforcing layers (7).

3. The reinforced composite shielding instrument control cable of claim 1, wherein: the insulating layer (1) is made of fluorinated ethylene propylene.

4. The reinforced composite shielding instrument control cable of claim 1, wherein: the main wire core (5) is composed of a tin-plated copper conductor, and a silicon rubber insulating layer, a butyronitrile insulating layer and a copper strip armor layer which are sequentially wrapped outside the tin-plated copper conductor.

5. The reinforced composite shielding instrument control cable of claim 1, wherein: the control wire core (6) is composed of three aluminum conductors and a polyperfluorinated ethylene insulating layer group wrapped outside the three aluminum conductors.