CN220041423U

CN220041423U - Stretch-proofing power cable structure

Info

Publication number: CN220041423U
Application number: CN202320525430.XU
Authority: CN
Inventors: 沈伟佳; 郭克钢
Original assignee: Shenzhen Deep Cable Technology Co ltd
Current assignee: Shenzhen Deep Cable Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-11-17
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to the technical field of cable structures, and particularly discloses a stretch-proofing power cable structure, which comprises the following components: at least three inner cores; and the outer structure comprises an insulating layer, a waterproof layer, a reinforcing layer and a tensile protection layer which are sequentially arranged on the outer side of the inner core. According to the power cable structure, the filling layers made of the aramid fiber are filled between the inner cores, gaps around the inner cores are filled, so that the positions of the inner cores are fixed, the deviation can not occur, the round structure of the cable is guaranteed, the situation of flat and flat cable can not occur, the cable is excellent in performance, insulating effect and protection effect, the cable is excellent in tensile resistance and impact resistance, the inner cores are fully protected, the situation of broken inner cores in the using process can not occur, and the service life is long.

Description

Stretch-proofing power cable structure

Technical Field

The utility model relates to the technical field of cable structures, in particular to a stretch-proof power cable structure.

Background

Cables are wire products used to transmit electrical (magnetic) energy, information and to effect electromagnetic energy conversion.

In the prior art, the application number is disclosed as follows: the utility model of cn201821340236.X, entitled: the utility model provides a tensile high temperature resistant cable, wherein through supporting shoe, supporting spring, cable core body, data sinle silk, buffer, traction sinle silk and filling layer, each part cooperation is fastened cable core body in the buffer.

However, in the prior art, the application number is as follows: the cable mentioned in cn201821340236.X is complex in structure, expensive in manufacturing process, and has voids in the structure inside the cable, which causes cable core deflection and poor tensile properties when the cable is subjected to tensile or shear forces.

Disclosure of Invention

The utility model aims to provide a stretch-proof power cable structure which solves the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

a stretch-resistant power cable structure, the power cable structure comprising:

at least three inner cores;

and the outer structure comprises an insulating layer, a waterproof layer, a reinforcing layer and a tensile protection layer which are sequentially arranged on the outer side of the inner core.

Furthermore, the inner layer is made of polyvinyl chloride material, and the thickness is 0.1-0.2mm.

Further, the filling layer is made of aramid fiber, and the conducting wire is made of aluminum.

Further, the insulating layer is adhered and wrapped on the outer sides of the filling layer and the inner core, and is made of polyethylene material, and the thickness of the insulating layer is 0.2-0.5mm.

Further, the waterproof layer is formed by attaching and wrapping a water blocking tape on the outer side of the insulating layer, and the thickness is 0.1-0.15mm.

Further, the reinforcing layer is arranged on the outer layer of the waterproof layer, the thickness is 0.2-0.3mm, and the reinforcing layer is made of glass fiber materials.

Further, tensile protective layer includes skin, middle level and adhesion layer, and adhesion layer laminating sets up the skin at the enhancement layer, and the skin sets up the outermost at power cable, and one side and the skin laminating of middle level, another layer laminating with adhesion layer.

Further, the outer layer is made of cloth material, and the thickness is 0.1-0.3mm;

the middle layer is made of nylon material and has the thickness of 0.2-0.3mm;

the adhesive layer is made of rubber material and has a thickness of 0.5-0.6mm.

The utility model has the beneficial effects that:

1. according to the power cable structure, the filling layers made of the aramid fiber are filled between the inner cores, and gaps around the inner cores are filled, so that the positions of the inner cores are fixed, the deviation can not occur, the circular structure of the cable is ensured, the situation of flat is not caused, and the cable performance is excellent;

2. the power cable structure has the advantages of good insulation effect, good protection effect, excellent tensile resistance and impact resistance, full protection to the inner core, no inner core fracture in the use process and long service life.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a power cable according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the power cable structure of the present utility model;

fig. 3 is a cross-sectional view of a tensile protective layer of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a stretch-proofing power cable structure, as shown in FIG. 1, power cable structure includes three piece at least inner cores 1, and inner core 1 is formed by four wire transposition that adopt aluminium material, and the outside parcel of inner core 1 has inlayer 7, is equipped with filling layer 2 between inner core 1, and the outside of inner core 1 is equipped with insulating layer 3, waterproof layer 4, enhancement layer 5, tensile protection layer 6 in proper order.

As shown in fig. 1, 2 and 3, the inner layer 7 is made of polyvinyl chloride material and has a thickness of 0.1-0.2mm, and the inner core 1 is bonded and protected to prevent contact leakage between the inner cores 1.

The filling layer 2 is made of aramid fiber, is filled between the inner cores 1, has high strength and flame retardance, protects the inner cores 1, ensures the shape of the insulating layer 3, avoids the phenomenon of cable flattening, and improves the tensile property of the power cable.

The insulating layer 3 is attached and wrapped on the outer sides of the filling layer 2 and the inner core 1, and is made of polyethylene, and the thickness of the insulating layer is 0.2-0.5mm, so that the insulating performance is mainly provided, and the transmission safety of the power cable is protected.

The waterproof layer 4 is formed by laminating and wrapping the waterproof tape on the outer side of the insulating layer 3, has the thickness of 0.1-0.15mm and is used for preventing water molecules from penetrating into the outer side of the insulating layer 3 to cause the electric leakage phenomenon.

The reinforcing layer 5 is arranged on the outer layer of the waterproof layer 4, is made of glass fiber, has the thickness of 0.2-0.3mm, has insulativity, corrosion resistance and high mechanical strength, improves the comprehensive strength of the power cable, and enhances the stretch-proofing and deformation-proofing capabilities.

The tensile protection layer 6 sets up in the outside of enhancement layer 5, and tensile protection layer 6 includes skin 61, middle level 62 and adhesion layer 63, and adhesion layer 63 laminating sets up the skin at enhancement layer 5, and skin 61 sets up the outermost at power cable, and one side and the skin 61 laminating of middle level 62, another layer and adhesion layer 63 laminating.

The outer layer 61 is made of cloth material, is wrapped on the outer layer of the middle layer 62, and has the thickness of 0.1-0.3mm, so that the outer layer of the cable is subjected to cold resistance and heat preservation, and the cable is prevented from aging and breaking.

The middle layer 62 is made of nylon material and has a thickness of 0.2-0.3mm, so that the tensile resistance of the cable is improved.

The adhesion layer 63 is made of rubber material and has a thickness of 0.5-0.6mm, so that the internal structure is protected, and the insulation performance of the cable is further enhanced.

When in use, the using method of the stretch-proof power cable structure comprises the following steps:

the power cable structure protects inner core 1 through multilayer structure, utilizes nylon material's middle level 62, glass fiber material's enhancement layer 5, strengthens cable's stretch-proofing performance for cable radial shock resistance is strong through tensile protective layer 6 and aramid fiber material's filling layer 2, then power cable in the use, the circumstances of the fracture of stretching of inner core 1 can not take place.

The power cable has the advantages of high strength, strong tensile property, good insulation effect, long service life and stable power transmission effect.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A stretch-resistant power cable construction, the power cable construction comprising:

at least three inner cores (1);

and the outer structure, inner core (1) is formed by four wire transposition, and the outside of inner core (1) is equipped with insulating inlayer (7), is equipped with filling layer (2) between inner core (1), and the outer structure is including insulating layer (3), waterproof layer (4), enhancement layer (5), tensile protective layer (6) that set gradually in the inner core (1) outside.

2. A stretch-proof power cable construction according to claim 1, wherein the inner layer (7) is made of polyvinyl chloride material and has a thickness of 0.1-0.2mm.

3. A stretch-proof power cable structure according to claim 1, wherein the filler layer (2) is an aramid material and the wires are aluminum.

4. The stretch-proofing power cable structure according to claim 2, wherein the insulating layer (3) is wrapped on the outer sides of the filling layer (2) and the inner core (1) in a bonding mode, and is made of polyethylene material and has a thickness of 0.2-0.5mm.

5. The stretch-proof power cable structure according to claim 4, wherein the waterproof layer (4) is formed by attaching and wrapping a water-blocking tape on the outer side of the insulating layer (3), and has a thickness of 0.1-0.15mm.

6. The stretch-proof power cable structure according to claim 5, wherein the reinforcing layer (5) is arranged on the outer layer of the waterproof layer (4) and has a thickness of 0.2-0.3mm, and is made of glass fiber.

7. The stretch-proof power cable structure according to claim 6, wherein the stretch-proof protective layer (6) comprises an outer layer (61), a middle layer (62) and an adhesion layer (63), the adhesion layer (63) is attached to the outer layer of the reinforcing layer (5), the outer layer (61) is arranged on the outermost layer of the power cable, one side of the middle layer (62) is attached to the outer layer (61), and the other layer is attached to the adhesion layer (63).

8. A stretch-proof power cable construction according to claim 7, wherein the outer layer (61) is made of cloth material and has a thickness of 0.1-0.3mm;

the middle layer (62) is made of nylon material and has the thickness of 0.2-0.3mm;

the adhesive layer (63) is made of rubber material and has a thickness of 0.5-0.6mm.