CN213303715U

CN213303715U - High-strength flame-retardant cable

Info

Publication number: CN213303715U
Application number: CN202022510545.0U
Authority: CN
Inventors: 穆申申; 刘立志; 巩石磊; 崔亮亮; 王珊珊; 董美红; 韩树文; 徐运涛; 王宝花
Original assignee: Taitong Cable Co ltd
Current assignee: Taitong Cable Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-05-28
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a high strength flame retarded cable, include by interior first inoxidizing coating, fire-retardant layer, shielding layer, armor and the second inoxidizing coating that sets gradually outside to, inlay in the first inoxidizing coating and be equipped with insulating skeleton, be provided with a plurality of wires in the insulating skeleton, it has first filling layer to fill in the clearance between first skid resistant course and insulating skeleton, the wire. The utility model discloses an insulating skeleton is as the cable inner core with the wire cooperation to strengthened the intensity of cable self greatly, insulating skeleton can avoid external force to cause the destruction to the wire, thereby improved the intensity of cable self, and the wire is inside protects the conductor core through the inside liner frame with the supporting pad cooperation, can further strengthen the protection to the cable, thereby prolonged the life of cable greatly.

Description

High-strength flame-retardant cable

Technical Field

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

Background

The cable has the functions of power transmission and information transmission, plays an important role in life and production of people, is the first cable and wire producing country in the world in China, and has become the most important part in cable development in order to meet the use requirements of various industries and how to improve the performances of the cable, such as flame retardance, strength and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a high strength flame retarded cable to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-strength flame-retardant cable comprises a first protective layer, a flame-retardant layer, a shielding layer, an armor layer and a second protective layer which are sequentially arranged from inside to outside, wherein an insulating framework is embedded in the first protective layer, a plurality of wires are arranged in the insulating framework, and a first filling layer is filled in gaps among the first anti-slip layer, the insulating framework and the wires;

the insulation framework comprises a cross-shaped main frame, an arc-shaped supporting part is arranged at the end part of each supporting rod on the main frame, the supporting parts are attached to the inner wall of the first protective layer, and the conducting wire is arranged in an installation cavity formed by the supporting parts and the main frame;

the lead comprises an inner sheath, a quincunx lining frame is arranged in the inner sheath, a cross-shaped supporting pad is arranged at the center of the lining frame, a plurality of conductor cores are arranged in the lining frame along the circumferential direction of the supporting pad, and a second filling layer is filled between the inner sheath and the lining frame;

and an arc-shaped groove matched with the appearance of the conductor core is arranged on the supporting pad.

Furthermore, the first protective layer and the inner sheath are both made of polyvinyl chloride.

Further, the flame-retardant layer is made of mica tapes.

Furthermore, the shielding layer is made of polyester aluminum foil.

Further, the armor layer is formed by weaving copper wires.

Furthermore, the second protective layer is made of low-smoke halogen-free flame-retardant polyolefin.

Furthermore, the insulating framework, the lining frame and the supporting pad are all made of polypropylene.

Further, the first filling layer is polypropylene silk.

Further, the second filling layer is a hemp rope.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses an insulating skeleton is as the cable inner core with the wire cooperation to strengthened the intensity of cable self greatly, insulating skeleton can avoid external force to cause the destruction to the wire, thereby improved the intensity of cable self, and the wire is inside protects the conductor core through the inside liner frame with the supporting pad cooperation, can further strengthen the protection to the cable, thereby prolonged the life of cable greatly.

Drawings

Fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure view of a wire according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the high-strength flame-retardant cable according to the embodiment includes a first protective layer 1, a flame-retardant layer 2, a shielding layer 3, an armor layer 4, and a second protective layer 5, which are sequentially disposed from inside to outside, wherein an insulating framework 6 is embedded in the first protective layer 1, a plurality of wires are disposed in the insulating framework 6, and a first filling layer 7 is filled in a gap between the first anti-slip layer 1 and the insulating framework 6, and between the wires;

the insulating framework 6 comprises a cross-shaped main frame 6a, an arc-shaped supporting part 6b is arranged at the end part of each supporting rod on the main frame 6a, the supporting part 6b is attached to the inner wall of the first protective layer 1, and the conducting wire is arranged in an installation cavity formed by the supporting part 6b and the main frame 6 a;

the lead comprises an inner sheath 8, a quincunx lining frame 9 is arranged in the inner sheath 8, a cross-shaped supporting pad 10 is arranged at the center of the lining frame 9, a plurality of conductor cores 11 are arranged in the lining frame 9 along the circumferential direction of the supporting pad 10, and a second filling layer 12 is filled between the inner sheath 8 and the lining frame 9;

the supporting pad 10 is provided with an arc-shaped groove matched with the shape of the conductor core 11.

During the equipment, place conductor core 11 along every curved tip of inside liner 9, then install supporting pad 10 in center department for arc groove on the supporting pad 10 and the laminating of conductor core 11, inside liner 9 and supporting pad 10 cooperate each other and fix conductor core 11.

Preferably, the first protective layer 1 and the inner sheath 8 are both made of polyvinyl chloride.

Preferably, the flame retardant layer 2 is made of mica tape, and the mica tape is wound on the outer side of the shielding layer 3.

Preferably, the shielding layer 3 is made of polyester aluminum foil, so that the anti-interference capability of the cable is improved.

Preferably, the armor layer is formed by weaving copper wires 4, so that the shielding capacity of the cable is further enhanced.

Preferably, the second protective layer 5 is made of low-smoke halogen-free flame-retardant polyolefin, and the material has strong wear resistance and corrosion resistance, so that the structure of the internal cable is protected better.

Preferably, the insulating framework 6, the lining frame 9 and the supporting pad 10 are made of polypropylene, and the material has certain elasticity and can play a supporting role.

Preferably, the first filling layer 7 is polypropylene filaments.

Preferably, the second filling layer 12 is a hemp rope.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A high strength flame retarded cable which characterized in that: the anti-skid cable comprises a first protective layer, a flame-retardant layer, a shielding layer, an armor layer and a second protective layer which are sequentially arranged from inside to outside, wherein an insulating framework is embedded in the first protective layer, a plurality of wires are arranged in the insulating framework, and a first filling layer is filled in a gap between the first anti-skid layer and the insulating framework as well as between the first anti-skid layer and the wires;

2. The high-strength flame-retardant cable according to claim 1, wherein: the first protective layer and the inner sheath are made of polyvinyl chloride.

3. The high-strength flame-retardant cable according to claim 1, wherein: the flame-retardant layer is made of mica tapes.

4. The high-strength flame-retardant cable according to claim 1, wherein: the shielding layer is made of polyester aluminum foil.

5. The high-strength flame-retardant cable according to claim 1, wherein: the armor layer is formed by weaving copper wires.

6. The high-strength flame-retardant cable according to claim 1, wherein: the second protective layer is made of low-smoke halogen-free flame-retardant polyolefin.

7. The high-strength flame-retardant cable according to claim 1, wherein: the insulating framework, the lining frame and the supporting pad are all made of polypropylene.

8. The high-strength flame-retardant cable according to claim 1, wherein: the first filling layer is polypropylene silk.

9. The high-strength flame-retardant cable according to claim 1, wherein: the second filling layer is a hemp rope.