CN112420250A

CN112420250A - Novel cable

Info

Publication number: CN112420250A
Application number: CN202011252604.7A
Authority: CN
Inventors: 徐刚
Original assignee: Jiangsu Mingyang Cable Co ltd
Current assignee: Jiangsu Mingyang Cable Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-02-26

Abstract

The invention discloses a novel cable which comprises a conductor, wherein an insulating layer wraps the outside of the conductor, a shielding layer wraps the outside of the insulating layer, an alkali-resistant glass fiber mesh fabric wraps the outside of the shielding layer, a finishing mucilage is coated on the alkali-resistant glass fiber mesh fabric, an inner protective layer is bonded on the finishing mucilage, a silicone rubber waterproof coating is coated outside the inner protective layer, a metal grid mesh is bonded outside the silicone rubber waterproof coating, quartz sand is filled in grid gaps of the metal grid mesh, sharp spines are fixedly connected at grid intersection points of the metal grid mesh, an outer protective layer wraps the outside of the metal grid mesh, and sharp spines penetrate into the outer protective layer. Pierce the outer protective layer through the spine on the metal grid net for the outer protective layer can not take place excessively to twist reverse because of external rolling, thereby improves the life of cable, comes bonding shielding layer and inner protective layer through plaster mortar and alkali-resisting glass fiber net cloth simultaneously, has improved the tensile of cable and the ability of resistance to compression, makes the cable can not be because of dragging or the extrusion and ftractures.

Description

Novel cable

Technical Field

The invention relates to the technical field of cables, in particular to a novel cable.

Background

The cable is widely applied to the needs of power transmission in life, the cable is required to have extrusion resistance when being used in certain situations, for example, in the fields of automatic production and processing, construction sites and temporary use needs in life, the cable is pulled or extruded along with the action of processing parts, and the existing cable has poor compressive strength, so that a cable protective layer is easy to crack, a conductor is deformed, and the power transmission quality is influenced; simultaneously when the cable was inconvenient to erect, will lay subaerial as required, and the transport means and the vehicle that make a round trip then can form the cable and roll, lead to the cable outer jacket to take place excessively to twist reverse for the outer jacket fracture takes place electric power potential safety hazard easily like this, causes great economic loss.

Disclosure of Invention

The invention aims to provide a novel cable to solve the problems of poor anti-pulling capability and easy breakage of an outer protective layer of the cable in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a novel cable, includes the conductor, the outer parcel of conductor has the insulating layer, the outer parcel of insulating layer has the shielding layer, the outer parcel of shielding layer has alkali-resisting glass fiber net cloth, scribble rendering coat mortar on the alkali-resisting glass fiber net cloth, it has interior protective layer to adhere on the rendering coat mortar, interior protective layer scribbles silicon rubber waterproof coating outward, silicon rubber waterproof coating outward bonds has metal grid net, the net space intussuseption of metal grid net is filled with quartz sand, the net crosspoint department rigid coupling of metal grid net has sharp thorn, the outer parcel of metal grid net has outer protective layer, the most advanced of sharp thorn pierces in the outer protective layer.

Furthermore, the mesh size of the alkali-resistant glass fiber mesh cloth is 4 x 4 mm.

Furthermore, the shielding layer, the alkali-resistant glass fiber mesh cloth and the inner protective layer are bonded through the plastering mortar.

Furthermore, the folding ratio of the plastering mortar is 2-2.5, and the thickness is 3 mm.

Further, the thickness of the coating of the silicone rubber waterproof coating is 0.5 mm.

Further, the metal grid mesh is woven by steel wires, and the mesh size is 4 x 4 mm.

Further, the inner protective layer and the outer protective layer are both made of polyvinyl chloride.

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

1. according to the invention, the metal grid net is adhered to the inner protective layer through the silicon rubber waterproof coating, so that the stability of the metal grid net is enhanced, and meanwhile, the sharp pricks on the metal grid net penetrate into the outer protective layer, so that the outer protective layer cannot be excessively twisted due to external rolling, the stability of the outer protective layer is improved, the service life of the cable is prolonged, and the potential safety hazard of electric power is avoided;

2. according to the invention, the shielding layer and the inner protective layer are bonded by the plastering mortar and the alkali-resistant glass fiber mesh cloth, so that the tensile strength and the compressive strength between the shielding layer and the inner protective layer are improved, the pulling resistance and the compressive resistance of the cable are improved, the cable cannot crack due to pulling or extrusion, the conductor cannot deform or break, and the power transmission quality of the cable is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a structural sectional view of the present invention.

In the figure: 1. a conductor; 2. an insulating layer; 3. a shielding layer; 4. alkali-resistant glass fiber mesh cloth; 5. coating adhesive cement; 6. an inner protective layer; 7. silicone rubber waterproof coating; 8. a metal grid mesh layer; 9. quartz sand; 10. pricking with a sharp point; 11. and an outer protective 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, the present invention provides a technical solution:

a novel cable comprises a conductor 1, wherein an insulating layer 2 wraps the conductor 1, a shielding layer 3 wraps the insulating layer 2, an alkali-resistant glass fiber mesh cloth 4 wraps the shielding layer 3, a plastering mortar 5 is coated on the alkali-resistant glass fiber mesh cloth 4, an inner protective layer 6 is bonded on the plastering mortar 5, a silicone rubber waterproof coating 7 is coated on the outer surface of the inner protective layer 6, a metal grid mesh 8 is bonded on the outer surface of the silicone rubber waterproof coating 7, quartz sand 9 is filled in gaps of grids of the metal grid mesh 8, sharp spines 10 are fixedly connected at intersections of the grids of the metal grid mesh 8, an outer protective layer 11 wraps the outer surface of the metal grid mesh 8, and sharp ends of the sharp spines 10 penetrate into the outer protective layer 11;

the mesh size of the alkali-resistant glass fiber mesh fabric 4 is 4mm, the compression ratio of the plastering mortar 5 is 2-2.5, the thickness of the plastering mortar is 3mm, the shielding layer 3, the alkali-resistant glass fiber mesh fabric 4 and the inner protective layer 6 are bonded through the plastering mortar 5, the tensile strength and the compressive strength between the shielding layer 3 and the inner protective layer 6 are improved, the pulling resistance and the compressive resistance of the cable are improved, the cable is prevented from being cracked due to pulling or extrusion, the conductor 1 in the cable is protected, and therefore the power transmission quality of the cable is improved;

the coating thickness of the silicon rubber waterproof coating 7 is 0.5mm, the metal grid mesh 8 is woven by steel wires, the mesh size is 4 x 4mm, the silicon rubber waterproof coating 7 bonds the metal grid mesh 8 and the inner protection layer 6 together, so that the metal grid mesh 8 is more stable, when the sharp spines 10 on the metal grid mesh 8 penetrate into the outer protection layer 11, the outer protection layer 11 is more stable and is not easy to twist, and meanwhile, under the action of the metal grid mesh 8 and the quartz sand 9, the compressive strength between the inner protection layer 6 and the outer protection layer 11 is also improved;

the silicon rubber waterproof coating 7 is used for enhancing the moisture-proof capability of the cable and preventing moisture from entering the inner protective layer 6 of the cable;

the inner protective layer 6 and the outer protective layer 11 are both made of polyvinyl chloride;

the working principle of the invention is as follows:

when the outer protection layer 11 of the cable is rolled by a reciprocating transport tool and a vehicle, the metal grid mesh 8 and the inner protection layer 6 are bonded together by the silicon rubber waterproof coating 7, so that the metal grid mesh 8 is more stable, and meanwhile, the sharp pricks 10 on the metal grid mesh 8 penetrate into the outer protection layer 11, so that the outer protection layer 11 cannot be excessively twisted due to rolling, the stability and the service life of the outer protection layer 11 are improved, and the service life of the cable is further prolonged;

metal grid net 8 and quartz sand 9 are as first compressive structures, alkali-resisting glass fiber net check cloth 4 and rendering coat mortar 5 are as second compressive structures, under metal grid net 8 and quartz sand 9's effect, compressive strength between inner protective layer 6 and the outer protective layer 11 has been strengthened, under alkali-resisting glass fiber net check cloth 4 and rendering coat mortar 5's effect, compressive strength and tensile strength between shielding layer 3 and inner protective layer 6 have been strengthened, make the cable can not lead to inside fracture because of external rolling or dragging, thereby guarantee that conductor 1 can not take place to warp or split, avoid taking place electric power safety hidden danger, the power transmission quality of cable has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel cable, includes conductor (1), conductor (1) outer parcel has insulating layer (2), insulating layer (2) outer parcel has shielding layer (3), its characterized in that: the shielding layer (3) is wrapped by alkali-resistant glass fiber mesh cloth (4), a plastering mortar (5) is smeared on the alkali-resistant glass fiber mesh cloth (4), an inner protective layer (6) is bonded on the plastering mortar (5), silicone rubber waterproof paint (7) is coated on the inner protective layer (6), a metal grid mesh (8) is bonded on the silicone rubber waterproof paint (7), quartz sand (9) is filled in grid gaps of the metal grid mesh (8), sharp spines (10) are fixedly connected at grid intersection points of the metal grid mesh (8), an outer protective layer (11) is wrapped on the metal grid mesh (8), and sharp ends of the sharp spines (10) pierce into the outer protective layer (11).

2. The novel cable of claim 1, wherein: the mesh size of the alkali-resistant glass fiber mesh cloth (4) is 4 x 4 mm.

3. The novel cable of claim 1, wherein: the shielding layer (3), the alkali-resistant glass fiber mesh cloth (4) and the inner protective layer (6) are bonded through the plastering mortar (5).

4. The novel cable of claim 1, wherein: the press-fold ratio of the plastering mortar (5) is 2-2.5, and the thickness is 3 mm.

5. The novel cable of claim 1, wherein: the thickness of the coating of the silicon rubber waterproof coating (7) is 0.5 mm.

6. The novel cable of claim 1, wherein: the metal grid mesh (8) is woven by steel wires, and the mesh size is 4 x 4 mm.

7. The novel cable of claim 1, wherein: the inner protection layer (6) and the outer protection layer (11) are both made of polyvinyl chloride.