CN215868750U

CN215868750U - Energy-saving long-life cable

Info

Publication number: CN215868750U
Application number: CN202122422014.0U
Authority: CN
Inventors: 解海萍
Original assignee: Tianjin Zhengbiao Jinda Cable Group Co ltd
Current assignee: Tianjin Zhengbiao Jinda Cable Group Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-18
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to an energy-saving long-life cable which comprises a plurality of conductors, an inner sheath wrapped outside the conductors, an outer sheath wrapped outside the inner sheath, and a reinforcing core arranged in the center of the cable, wherein the plurality of conductors are wrapped and twisted outside the reinforcing core, the reinforcing core comprises a rope core, a first steel wire layer wrapped and twisted outside the rope core, a rubber layer wrapped and twisted outside the first steel wire layer, a first heat-resistant layer wrapped and twisted outside the rubber layer, the conductors comprise a conductive core, a second heat-resistant layer wrapped and wound outside the conductive core, an insulating layer wrapped and wound outside the second heat-resistant layer, and a shielding layer wrapped and wound outside the insulating layer, a third heat-resistant layer is wrapped outside the conductors, a filling layer is filled between the third heat-resistant layer and the conductors, the inner sheath is wrapped and wound outside the third heat-resistant layer, the second steel wire layer is wrapped and wound outside the inner sheath, a waterproof layer is wrapped and wound outside the waterproof layer, an armor layer is arranged outside the waterproof layer, and a fireproof layer is arranged outside the armor layer, the outer sheath is wrapped outside the fireproof layer. The utility model has good fireproof and heat-resistant effects and long service life.

Description

Energy-saving long-life cable

Technical Field

The utility model relates to the field of cables, in particular to an energy-saving long-life cable.

Background

Along with the high-speed development of the urbanization construction of china, the mill, the building, field development such as electrical apparatus is rapid, the electric power resource can not be left during the period, and power transmission generally adopts the cable, the structure of cable includes the conductor mostly, the filling layer, inside and outside sheath, traditional cable strength and pliability are general, easily break, and traditional cable heat resistance is low, lead to its current-carrying capacity to be low, the loss is great among the electric energy transmission process, and can give off the heat during cable transmission, install and easily receive weather effect at outdoor cable, cause the damage to the cable, reduce cable life.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides an energy-saving long-life cable.

In order to achieve the purpose, the utility model adopts the following technical scheme: an energy-saving long-life cable comprises a plurality of conductors, an inner sheath wrapped outside the conductors, an outer sheath wrapped outside the inner sheath, and a reinforcing core arranged in the center of the cable, wherein the conductors are wrapped and twisted outside the reinforcing core, the reinforcing core comprises a rope core, a first steel wire layer wrapped and twisted outside the rope core, a rubber layer wrapped and twisted outside the first steel wire layer, a first heat-resistant layer wrapped and twisted outside the rubber layer, the conductors comprise a conductive core, a second heat-resistant layer wrapped and twisted outside the conductive core, an insulating layer wrapped and twisted outside the second heat-resistant layer, and a shielding layer wrapped and wrapped outside the insulating layer, a third heat-resistant layer is wrapped and wrapped outside the conductors, a filling layer is filled between the third heat-resistant layer and the conductors, the inner sheath is wrapped and twisted outside the third heat-resistant layer, a waterproof layer is wrapped and wrapped outside the inner sheath, an armor layer is arranged outside the second steel wire layer, an armor layer is arranged outside the waterproof layer, and an armor layer is arranged outside the armor layer, the outer sheath is wrapped outside the fireproof layer.

Particularly, the rubber layer comprises a plurality of trapezoidal rubber strips, and the rubber strips are wrapped and twisted on the outer side of the steel wire layer.

In particular, the filling layer is filled with chemical fiber ropes.

Particularly, the diameter of the steel wire in the first steel wire layer is smaller than that of the steel wire in the second steel wire layer.

Particularly, the first heat-resistant layer, the second heat-resistant layer and the third heat-resistant layer are formed by wrapping a ceramic fireproof fire-resistant composite tape.

In particular, the outer side of the outer sheath is coated with ultraviolet-proof paint.

The utility model has the beneficial effects that: according to the utility model, the reinforcing core, the first heat-resistant layer, the second heat-resistant layer, the third heat-resistant layer, the waterproof layer and the second steel wire layer are arranged, so that the cable is high in strength, good in flexibility, not easy to break, good in heat resistance, good in fireproof and waterproof effects, capable of reducing the possibility of damage of the cable caused by heating and reducing the electric energy loss in the transmission process of the cable, good in energy-saving effect, and good in fireproof and waterproof effects, and meanwhile, the ultraviolet-resistant coating is coated on the outer side, so that the damage caused by ultraviolet irradiation can be effectively reduced, and the service life of the cable is prolonged.

Drawings

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

in the figure: 1-an outer sheath; 2-a fire-proof layer; 3-an armor layer; 4-waterproof layer; 5-steel wire layer two; 6-inner sheath; 7-heat-resistant layer III; 8-a filling layer; 9-a shielding layer; 10-an insulating layer; 11-heat-resistant layer two; 12-a conductive core; 13-heat resistant layer one; 14-a rubber layer; 15-steel wire layer one; 16-a rope core;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in fig. 1, an energy-saving long-life cable comprises a plurality of conductors, an inner sheath 6 wrapped outside the conductors, an outer sheath 1 wrapped outside the inner sheath 6, and a reinforcement core arranged in the center of the cable, wherein the plurality of conductors are wrapped and twisted outside the reinforcement core, the reinforcement core comprises a rope core 16, a first steel wire layer 15 wrapped and twisted outside the rope core 16, a rubber layer 14 wrapped and twisted outside the first steel wire layer 15, and a first heat-resistant layer 13 wrapped outside the rubber layer 14, the rubber layer 14 comprises a plurality of trapezoidal rubber strips, and the rubber strips are wrapped and twisted outside the first steel wire layer 15;

the conductor comprises a conductive core 12, a second heat-resistant layer 11 wrapped outside the conductive core 12, an insulating layer 10 wrapped outside the second heat-resistant layer 11, and a shielding layer 9 wrapped outside the insulating layer 10, a third heat-resistant layer 7 is wrapped outside the conductor, a filling layer 8 is filled between the third heat-resistant layer 7 and the conductor, the filling layer 8 is filled with chemical fiber ropes, and the first heat-resistant layer 13, the second heat-resistant layer 11 and the third heat-resistant layer 7 are all formed by wrapping a ceramic fireproof fire-resistant composite belt;

inner sheath 6 winds the package in the three 7 outsides of heat-resistant layer, and 6 outside package twists with fingers of inner sheath has steel wire layer two 5, and the two 5 outsides of steel wire layer have waterproof layer 4 around the package, and 4 outsides of waterproof layer have armor 3 around the package, and 3 outsides of armor have flame retardant coating 2 around the package, and oversheath 1 winds the package in the 2 outsides of flame retardant coating, and the steel wire diameter in steel wire layer one 15 is less than the steel wire diameter in steel wire layer two 5, and the 1 outside of oversheath is brushed and has been prevented ultraviolet coating.

Specifically, through setting up the reinforcement core at the cable center, especially steel wire layer one 15, rubber layer 14, the setting of heat-resistant layer one 13, make cable intensity high, pliability and heat resistance are good, through setting up heat-resistant layer two 11 on the conductor, be convenient for protect insulating layer 10, avoid conducting core 12 to generate heat and then damage insulating layer 10, through setting up heat-resistant layer three 7, steel wire layer two 5, waterproof layer 4, flame retardant coating 2 and applying paint ultraviolet protection coating on outer sheath 1, make cable intensity high, heat resistance is good, reduce the cable and lead to the possibility of damaging because of generating heat, reduce the electric energy loss in the cable transmission process, energy-conserving effectual, and cable fire prevention waterproof effect is good, still can effectively reduce the damage that ultraviolet irradiation brought, extension cable life.

The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.

Claims

1. An energy-saving long-life cable comprises a plurality of conductors, an inner sheath (6) wrapped outside the conductors, and an outer sheath (1) wrapped outside the inner sheath (6), and is characterized by further comprising a reinforcing core arranged at the center of the cable, wherein the plurality of conductors are wrapped and twisted outside the reinforcing core, the reinforcing core comprises a rope core (16), a first steel wire layer (15) wrapped and twisted outside the rope core (16), a rubber layer (14) wrapped and twisted outside the first steel wire layer (15), and a first heat-resistant layer (13) wrapped outside the rubber layer (14), the conductors comprise a conductive core (12), a second heat-resistant layer (11) wrapped outside the conductive core (12), an insulating layer (10) wrapped outside the second heat-resistant layer (11), and a shielding layer (9) wrapped outside the insulating layer (10), a third heat-resistant layer (7) is arranged outside the conductors, and a filling layer (8) is filled between the third heat-resistant layer (7) and the conductors, inner sheath (6) are around package in the heat-resistant layer three (7) outside, and inner sheath (6) outside package is twisted with fingers has steel wire layer two (5), and steel wire layer two (5) outside has around package waterproof layer (4), and waterproof layer (4) outside has around package armor (3), and the armor (3) outside has around package flame retardant coating (2), and oversheath (1) is around package in the flame retardant coating (2) outside.

2. An energy saving long life cable according to claim 1 wherein the rubber layer (14) comprises trapezoidal rubber strips twisted around the first steel wire layer (15).

3. An energy saving long life cable according to claim 2 wherein the filling layer (8) is filled with chemical fiber rope.

4. An energy saving long life cable according to claim 3 wherein the diameter of the wires in wire layer one (15) is smaller than the diameter of the wires in wire layer two (5).

5. The energy-saving long-life cable according to claim 4, wherein the first heat-resistant layer (13), the second heat-resistant layer (11) and the third heat-resistant layer (7) are formed by wrapping a ceramic fireproof and fire-resistant composite tape.

6. An energy saving long life cable according to claim 5 wherein the outer sheath (1) is coated with an ultraviolet resistant paint on the outside.