CN215265637U

CN215265637U - High-strength anti-fracture power cable

Info

Publication number: CN215265637U
Application number: CN202120708063.8U
Authority: CN
Inventors: 苏浩晴; 苏璇; 张金利
Original assignee: Nanjing Sulan Cable Manufacturing Co ltd
Current assignee: Nanjing Sulan Cable Manufacturing Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-21
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a high-strength anti-fracture power cable, which comprises a protective layer, a filler and a conductor, wherein a copper-plated copper stranded layer is wrapped inside the protective layer, a flame-retardant oxygen-isolating layer is wrapped inside the copper-plated copper stranded layer, the filler is fully distributed in the gap inside the cable, when the cable is laid by the staff, the force acting on the cable passes through the nine rubber tubes and the six conductors in the cable, the force can uniformly pass through the six conductors, then the rubber tube is transmitted to nine rubber tubes which can play a role of buffering and offsetting a part of force, the resistance force applied by the force can be increased along with the increase of the large rubber tube at the center of the cable, further, the elastic force of the rubber tube can extrude or stretch the counteracting force, after the counteracting force acts, the arrangement of the memory metal sleeve in the cable can return to an unstressed state, so that the service life of the cable is prolonged.

Description

High-strength anti-fracture power cable

Technical Field

The utility model relates to a wire and cable technical field especially relates to a cracked power cable is prevented to high strength.

Background

At present, with the development of science and technology, the fields of industry and the like are also rapidly improved, and the use amount of the cable is increased, the cable is usually a cable which is similar to a rope and is formed by twisting at least two stranded wires in each group of a plurality of or a plurality of groups of wires, the wires in each group are mutually insulated and are often twisted around a center, the whole outer surface is coated with a high-insulation covering layer, the types of the cable are various, the cable can be applied to different fields, and the use environment of the cable in different fields is different, so that different requirements are also required on the cable.

However, the existing cable cannot play a role in preventing breakage due to unreasonable structural design, and the cable is prone to breakage when bearing large force, so that the cable cannot work, and great inconvenience is brought to people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cracked power cable is prevented to high strength to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a cracked power cable is prevented to high strength, includes inoxidizing coating, filler and conductor, the inside parcel of inoxidizing coating has copper-plated copper strand layer, the inside parcel of copper-plated copper strand layer has fire-retardant oxygen layer that separates, the filler is covered with in the inside space department of cable, the outside parcel of conductor has the aramid fiber layer, the outside parcel in aramid fiber layer has the first insulation layer, the fixed memory metal covering that is equipped with in conductor one side, the inside parcel of memory metal covering has the rubber tube, memory metal covering one side is fixed and is equipped with the shielding layer, the inside parcel of shielding layer has the second insulation layer, the inside parcel of second insulation layer has the strengthening core.

Preferably, the cable is a special-shaped circular cable formed by intersecting two circles.

Preferably, the copper-plated copper stranded layer is made of copper-plated copper stranded wires which are criss-cross.

Preferably, the flame-retardant oxygen-isolating layer is a double-sided synthetic fire-resistant mica tape.

Preferably, the aramid fiber layer and the reinforcing core are both made of aramid fiber ropes.

Preferably, the number of the conductors is six in the cable, the number of the memory metal sleeves is nine in the cable, the number of the rubber tubes is nine in the cable, and the number of the reinforcing cores is two in the cable.

Compared with the prior art, the beneficial effects of the utility model are that: when a worker lays a cable, force acting on the cable is uniformly dispersed because the cable is a special-shaped circle formed by intersecting two circles, force points of the cable can be uniformly dispersed, then the force can uniformly pass through the six conductors 5 through the nine rubber tubes 9 and the six conductors 5 in the cable and then is transmitted to the nine rubber tubes 9, the rubber tubes 9 can play a role in buffering and offsetting a part of force, the resistance force borne by the force can be increased along with the increase of the large rubber tubes 9 in the center of the cable, further the force can be offset by extrusion or stretching of the offset force under the action of the elastic force of the rubber tubes 9, and after the action of the offset force, the arrangement of the memory metal sleeve 8 in the cable can return to an unstressed state, so that the service life of the cable is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a high-strength anti-fracture power cable according to the present invention;

fig. 2 is the utility model relates to a cracked power cable structure sketch map is prevented to high strength.

In the figure: 1. a protective layer; 2. copper-plated copper stranded layers; 3. a flame retardant oxygen barrier layer; 4. a filler; 5. a conductor; 6. an aramid fiber layer; 7. a first insulating layer; 8. a memory metal sleeve; 9. a rubber tube; 10. a shielding layer; 11. A second insulating layer; 12. and (6) reinforcing the core.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention will be further described with reference to the following embodiments:

example one

A high-strength anti-fracture power cable comprises a protective layer 1, a filler 4 and a conductor 5, wherein a copper-plated copper strand layer 2 wraps the protective layer 1, a flame-retardant oxygen-isolating layer 3 wraps the copper-plated copper strand layer 2, the filler 4 is fully distributed in a gap inside the cable, an aramid fiber layer 6 wraps the conductor 5, a first insulating layer 7 wraps the aramid fiber layer 6, a memory metal sleeve 8 is fixedly arranged on one side of the conductor 5, a rubber pipe 9 wraps the memory metal sleeve 8, a shielding layer 10 is fixedly arranged on one side of the memory metal sleeve 8, a second insulating layer 11 wraps the shielding layer 10, and a reinforcing core 12 wraps the second insulating layer 11;

the cable is a special-shaped circular cable formed by two circles, wherein a protective layer 1 is made of 50-85 parts of polyvinyl chloride resin, 40-65 parts of three-type resin, 40-55 parts of synthetic resin, 15-30 parts of sponge rubber, 5-15 parts of chlorinated polyethylene, 3-10 parts of magnesium oxide, 1-3 parts of stearic acid, 4-7 parts of nano kaolin, 10-18 parts of talcum powder and 5-10 parts of bentonite, and the special-shaped circular cable is characterized in that: because this cable is the dysmorphism circle that two circles intersect and form, so the stress point of this cable can even dispersion, and because the material of inoxidizing coating 1, make this cable have the wearability, prevent the fracture, and prevent for a long time also can not corroded, can improve the anti cracked intensity of cable and structural strength, prolonged the life of cable.

Example two

Copper-plated copper stranded layer 2 is made by vertically and horizontally staggered copper-plated copper stranded conductor, and fire-retardant oxygen layer 3 is two-sided synthetic fire-resistant mica tape, in this setting: the copper-plated copper stranded layers 2 are arranged in a criss-cross mode, so that the cable is high in corrosion resistance, and the copper layers are high in adhesion degree, so that the tensile strength performance of the cable is more excellent, the double-sided synthetic fire-resistant mica tape is formed by using synthetic mica paper as a base material, using glass fiber cloth as a double-sided reinforcing material and using a silicone resin adhesive for adhesion, and has high fire resistance.

EXAMPLE III

Aramid fiber layer 6 and enhancement core 12 all are made by aramid fiber rope, and conductor 5 is equipped with six inside the cable altogether, and memory metal cover 8 is equipped with nine inside the cable altogether, and rubber tube 9 is equipped with nine inside the cable altogether, and enhancement core 12 is equipped with two inside the cable altogether, in this setting: the aramid fiber rope made of aramid fiber has high-strength toughness and wear resistance, when the cable is stressed, when the cable passes through the aramid fiber layer 6, part of force can be counteracted by the aramid fiber rope 6, and because the conductors 5, the memory metal 8 and the rubber tubes 9 are arranged in the cable, the force can pass through the aramid fiber layer 6 after passing through the peculiar shape of the protective layer 1, then passes through the nine rubber tubes 9 and the six conductors 5 in the cable, the force can uniformly pass through the six conductors 5 and then is transmitted to the nine rubber tubes 9, the rubber tubes 9 can play a role in buffering and counteracting part of force, the resistance borne by the force can be increased along with the increase of the large rubber tubes 9 in the center of the cable, further the extrusion or stretching of the counteracting force can be realized through the elastic action of the rubber tubes 9, after the counteracting force, the arrangement of the memory metal sleeve 8 in the cable can return to an unstressed state, the service life of the cable is improved.

The working principle of the high-strength anti-fracture power cable is as follows: even if the cable is used for a long time, one of the two reinforcing cores 12 arranged in the cable is damaged due to accidents, the other reinforcing core 12 can continue to work, the cable cannot be incapable of working due to the damage of one reinforcing core 12, when a worker lays the cable, the force acting on the cable can be uniformly dispersed on the stress point of the cable because the cable is a special-shaped circle formed by the intersection of two circles, then the force can uniformly pass through the six conductors 5 through the nine rubber tubes 9 and the six conductors 5 in the cable, and then is transmitted to the nine rubber tubes 9, the rubber tubes 9 can buffer and offset part of the force, the resistance to which the force is applied can be increased along with the increase of the large rubber tube 9 in the center of the cable, and further the extrusion or stretching of the offset force can be realized through the elastic force of the rubber tubes 9, after the counteracting force acts, the memory metal sleeve 8 can return to an unstressed state through the arrangement inside the cable, so that the service life of the cable is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cracked power cable is prevented to high strength which characterized in that: including inoxidizing coating (1), filler (4) and conductor (5), the inside parcel of inoxidizing coating (1) has copper-plated copper strand layer (2), copper-plated copper strand layer (2) inside parcel has fire-retardant oxygen layer (3) that separates, filler (4) are covered with in cable inside space department, conductor (5) outside parcel has aramid fiber layer (6), aramid fiber layer (6) outside parcel has first insulation layer (7), conductor (5) one side is fixed and is equipped with memory metal cover (8), memory metal cover (8) inside parcel has rubber tube (9), memory metal cover (8) one side is fixed and is equipped with shielding layer (10), the inside parcel of shielding layer (10) has second insulating layer (11), the inside parcel of second insulating layer (11) has enhancement core (12).

2. A high strength fracture-resistant power cable according to claim 1, wherein: the cable is a special-shaped circular cable formed by intersecting two circles.

3. A high strength fracture-resistant power cable according to claim 1, wherein: the copper-plated copper stranded layer (2) is made of copper-plated copper stranded wires which are criss-cross.

4. A high strength fracture-resistant power cable according to claim 1, wherein: the flame-retardant oxygen-isolating layer (3) is a double-sided synthetic fire-resistant mica tape.

5. A high strength fracture-resistant power cable according to claim 1, wherein: the aramid fiber layer (6) and the reinforcing core (12) are both made of aramid fiber ropes.

6. A high strength fracture-resistant power cable according to claim 1, wherein: the cable is characterized in that the number of the conductors (5) is six in total, the number of the memory metal sleeves (8) is nine in total, the number of the rubber tubes (9) is nine in total, and the number of the reinforcing cores (12) is two in total.