CN212461202U

CN212461202U - High-strength cable

Info

Publication number: CN212461202U
Application number: CN202021651736.2U
Authority: CN
Inventors: 张耘
Original assignee: Jiangxi Liming Wire And Cable Co ltd
Current assignee: Jiangxi Liming Wire And Cable Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-02-02
Anticipated expiration: 2030-08-11

Abstract

The utility model provides a high strength cable, including the steel core, steel core fixed connection billet, billet one end fixed connection inner protective layer, the inner protective layer inboard is equipped with the pencil, the outer armor that is equipped with of inner protective layer, the armor is equipped with the strengthening rib outward, the strengthening rib is equipped with first elastic layer outward, first elastic layer is equipped with first enhancement layer outward, be equipped with the second elastic layer outward, the second elastic layer is equipped with the second enhancement layer outward, the second enhancement layer is equipped with outer protective layer outward. This practicality has improved cable strength effectively, has prolonged the life of cable.

Description

High-strength cable

Technical Field

The utility model relates to a cable field especially relates to a high strength cable.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500 KV and above, and various insulated power cables.

But present cable is mostly laid under the ground to some cable's existence is adjusted comparatively badly, makes the cable receive extrusion deformation easily, and can not have better conduction, consequently need overhaul, makes the intensity of cable not high, can reduce the life of cable.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cable that intensity is high has solved that the current cable intensity mentioned in the above-mentioned background art is not high, can reduce the technical problem of the life of cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high strength cable, includes the steel core, steel core fixed connection billet, billet one end fixed connection inner protective layer, the inner protective layer inboard is equipped with the pencil, the inner protective layer is equipped with the armor outward, the armor is equipped with the strengthening rib outward, the strengthening rib is equipped with first elastic layer outward, first elastic layer is equipped with first enhancement layer outward, be equipped with the second elastic layer outward, the second elastic layer is equipped with the second enhancement layer outward, the second enhancement layer is equipped with outer protective layer outward.

Further, the billet is equipped with 4 at least, and the billet that is equipped with can promote cable strength effectively.

Further, the pencil comprises sinle silk conductor, conductor shielding layer and insulating layer, the sinle silk conductor is equipped with the conductor shielding layer outward, be equipped with the insulating layer outward on the conductor shielding layer, the conductor shielding layer can avoid the sinle silk conductor to receive external disturbance to guarantee that transmission of electricity is steady.

Furthermore, the wire harness, the steel core and the steel bars are filled with the PP ropes, and the PP ropes have high impact resistance, high mechanical property and high toughness and resist corrosion of various organic solvents and acid and alkali, so that the wire harness is protected.

Further, the first reinforcing layer and the second reinforcing layer are the same in thickness and are 0.2-0.5mm in thickness.

Further, the first elastic layer and the second elastic layer are the same in thickness and are 0.5-1.0mm in thickness.

The utility model discloses following beneficial effect has:

1. the steel core is arranged in the cable and fixedly connected with the steel bar, so that the strength of the cable is effectively improved;

2. the ground reinforcing ribs are arranged, so that the strength of the cable is further improved, and the cable is effectively prevented from being extruded and deformed.

3. The first enhancement layer and the second enhancement layer that are equipped with, first elastic layer and second elastic layer alternate each other, can guarantee the holistic intensity performance of cable, and prevent unexpected circumstances such as the extrusion of outer protective layer, arouse the pencil damage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the wire harness structure of the present invention.

Fig. 3 is the structure diagram of the steel core and the steel bar of the present invention.

In the figure: 1. the steel core, 2 steel bars, 3 inner protection layers, 4 wire harnesses, 41 wire core conductors, 42 conductor shielding layers, 43 insulating layers, 5 armor layers, 6 reinforcing ribs, 7 first elastic layers, 8 first reinforcing layers, 9 second elastic layers, 10 second reinforcing layers and 11 outer protection layers.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a high strength cable comprises a steel core 1, wherein the steel core 1 is fixedly connected with a steel bar 2, the steel bar 2 is provided with at least 4 steel bars 2, the provided steel bar 2 effectively increases the strength of the cable, one end of the steel bar 2 is fixedly connected with an inner protection layer 3, the inner protection layer 3 is made of a polyvinyl chloride sleeve, a wire harness 4 is arranged inside the inner protection layer 3, the wire harness 4 is composed of a core conductor 41, a conductor shielding layer 42 and an insulation layer 43, the conductor shielding layer 42 is arranged outside the core conductor 41, the insulation layer 43 is arranged outside the conductor shielding layer 42, the conductor shielding layer 42 can prevent the core conductor 41 from being interfered by the outside, so as to ensure smooth transmission of electricity, the space between the wire harness 4, the steel core 1 and the steel bar 2 is filled with a PP rope 12, the PP rope 12 has high impact resistance, mechanical properties are tough, and can resist corrosion, the cable is characterized in that an armor layer 5 is arranged outside the inner protective layer 3, a reinforcing rib 6 is arranged outside the armor layer 5, the reinforcing rib 6 is a rubber strip, the overall strength of the cable can be improved while the cost is reduced, a first elastic layer 7 is arranged outside the reinforcing rib 6, a first reinforcing layer 8 is arranged outside the first elastic layer 7, a second elastic layer 9 is arranged outside the first reinforcing layer 8, the first elastic layer 7 and the second elastic layer 9 are the same in thickness and are 0.5-1.0mm in thickness, the first elastic layer 7 and the second elastic layer 9 are formed by extrusion molding of natural rubber bodies, the natural rubber bodies are convenient to obtain materials and have good elasticity, the production efficiency is improved by the extrusion molding mode, a second reinforcing layer 10 is arranged outside the second elastic layer 9, the first reinforcing layer 8 and the second reinforcing layer 10 are the same in thickness and are 0.2-0.5mm in thickness, and first enhancement layer 8 and second enhancement layer 10 are woven and form for metal material, can improve protection intensity, make the difficult impaired, be equipped with outer protective layer 11 outside second enhancement layer 10, outer protective layer 11 material is the same with inner protective layer 3 material, is the polyvinyl chloride cover.

The utility model discloses a theory of operation is: the steel core 1 is arranged in the cable, and the steel bar 2 fixedly connected with the steel core 1 effectively improves the strength of the cable; the ground reinforcing ribs 6 are arranged, so that the strength of the cable is further improved, and the cable is effectively prevented from being extruded and deformed; the first reinforcing layer 8 and the second reinforcing layer 10 are arranged, the first elastic layer 7 and the second elastic layer 9 are mutually alternated, the overall strength performance of the cable can be guaranteed, and the damage of the wire harness 4 caused by the extrusion and other accidents of the outer protective layer 11 is prevented.

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. A high strength cable, includes steel core (1), its characterized in that: steel core (1) fixed connection billet (2), billet (2) one end fixed connection inner protective layer (3), inner protective layer (3) inboard is equipped with pencil (4), inner protective layer (3) are equipped with armor (5) outward, armor (5) are equipped with strengthening rib (6) outward, strengthening rib (6) are equipped with first elastic layer (7) outward, first elastic layer (7) are equipped with first enhancement layer (8) outward, first enhancement layer (8) are equipped with second elastic layer (9) outward, second elastic layer (9) are equipped with second enhancement layer (10) outward, second enhancement layer (10) are equipped with outer protective layer (11) outward.

2. A high strength cable according to claim 1, wherein: the steel bars (2) are at least provided with 4 steel bars.

3. A high strength cable according to claim 1, wherein: the wiring harness (4) is composed of a core conductor (41), a conductor shielding layer (42) and an insulating layer (43), the conductor shielding layer (42) is arranged outside the core conductor (41), and the insulating layer (43) is arranged outside the conductor shielding layer (42).

4. A high strength cable according to claim 1, wherein: the wire harness (4), the steel core (1) and the steel bar (2) are filled with PP ropes (12).

5. A high strength cable according to claim 1, wherein: the first reinforcing layer (8) and the second reinforcing layer (10) are the same in thickness, and the thickness is 0.2-0.5 mm.

6. A high strength cable according to claim 1, wherein: the first elastic layer (7) and the second elastic layer (9) are the same in thickness, and the thickness is 0.5-1.0 mm.