CN216871645U

CN216871645U - Halogen-free low-smoke environment-friendly cable

Info

Publication number: CN216871645U
Application number: CN202220418772.7U
Authority: CN
Inventors: 赵明荣; 廖学成
Original assignee: Hongxin Guotai Cable Co ltd
Current assignee: Hongxin Guotai Cable Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-01
Anticipated expiration: 2032-02-28

Abstract

The application relates to the technical field of cables, in particular to a halogen-free low-smoke environment-friendly cable. This application, including the epidermal layer, the even sliding connection of inner wall of epidermal layer has four copper cores, four the surface of copper core is equipped with protective structure, protective structure includes the flame retardant coating, the flame retardant coating is located the surface of four copper cores, the flame retardant coating is the asbestos fiber layer, the surface cement of copper core has the insulating layer, the insulating layer is the polyethylene layer, it has the filling layer to fill between insulating layer and the flame retardant coating, the filling layer is the fire retardant layer, the fixed surface of flame retardant coating installs the armor, the armor is the steel sheet layer, the periphery face cement of epidermal layer has the wearing layer, the wearing layer is the polyamide fiber layer, the lateral wall of epidermal layer is equipped with covers the device. The application solves the problem that toxic smoke is easily generated during the combustion of the surface layer of the cable, so that the pollution to the surrounding environment is caused.

Description

Halogen-free low-smoke environment-friendly cable

Technical Field

The application relates to the technical field of cables, in particular to a halogen-free low-smoke environment-friendly cable.

Background

The cable is commonly called as 'wire', is an important tool for power transmission, when the cable loads in the power transmission process, the cable is easy to blow, the cable epidermal layer burns to easily generate toxic smoke, and the surrounding environment is easily polluted, so that the environment-friendly effect of the cable in the using process is reduced, and in conclusion, the halogen-free low-smoke environment-friendly cable is developed to be particularly important.

SUMMERY OF THE UTILITY MODEL

The application aims to solve the problem that the cable epidermal layer is easy to generate toxic smoke during combustion, so that the pollution to the surrounding environment is caused, and the halogen-free low-smoke environment-friendly cable is provided.

In order to achieve the purpose, the following technical scheme is adopted in the application: the utility model provides a there is not steamed low cigarette environmental protection cable, includes the epidermal layer, be provided with four copper cores, four in the epidermal layer the surface of copper core is equipped with protective structure, protective structure includes the flame retardant coating, the flame retardant coating is located the outside of four copper cores, the flame retardant coating is the asbestos fiber layer, the surface of copper core is equipped with the insulating layer.

The effect that above-mentioned part reaches does: through setting up the flame retardant coating that is formed by the asbestos fiber layer material preparation, asbestos fiber has good thermal-insulated and flame retardant efficiency, can reduce effectively that the contact leads to the phenomenon that the epidermal layer is heated and is lighted appearing between copper core and the epidermal layer, has reduced the production of toxic gas when burning, has further improved the feature of environmental protection in the cable use.

Preferably, a filling layer is filled between the insulating layer and the fire-proof layer, and the filling layer is a fire retardant layer.

The effect that above-mentioned part reaches does: the filling layer formed by the flame retardant separates the four wire cores and the fireproof layer, the flame retardant has good flame-retardant and heat-insulation effects, the fireproof effect of the cable is enhanced, and the environment-friendly effect in the use process of the cable is further improved.

Preferably, the surface of the fireproof layer is fixedly provided with an armor layer, and the armor layer is a steel sheet layer.

The effect that above-mentioned part reaches is: through setting up the billet and arranging in the inside of epidermal layer, the billet has good intensity to improve the holistic toughness of cable, reduced the cracked phenomenon of appearing easily in the cable use.

Preferably, the outer peripheral surface of the skin layer is glued with a wear-resistant layer, and the wear-resistant layer is a polyamide fiber layer.

The effect that above-mentioned part reaches is: the wear-resistant layer made of the polyamide fiber layer has good comprehensive properties including mechanical properties, heat resistance, wear resistance and chemical resistance, and improves the corrosion resistance and wear resistance of the surface layer, thereby prolonging the service life of the cable.

Preferably, the lateral wall of wearing layer is equipped with covering device, covering device includes the drum, the drum is located the distolateral of wearing layer, the lateral wall fixedly connected with of drum connects the rope, connect the one end fixedly connected with helmet that the drum was kept away from to the rope.

The effect that above-mentioned part reaches is: the position that the drum on slip wear layer surface need be taken to the cable is cutting off winding cable product and is taking one section after, covers the port position at the cable with the drum, covers the inner wall at the drum with the helmet, can realize covering to electric wire port position, and then has made things convenient for the protection to cable end position, and setting up of connecting the rope has reduced the phenomenon that the helmet appears losing.

Preferably, the inner wall of the cylinder is glued with a silica gel ring, and the side wall of the protective cap is glued with an elastic ring.

The effect that above-mentioned part reaches is: the silica gel circle is filled between drum and wearing layer and has improved the leakproofness of being connected between drum and the wearing layer, and the elastic ring is filled between helmet and drum and has improved the compactness of interconnect between drum and the helmet.

Preferably, a bolt is inserted into the internal thread of the cylinder, and the cylinder is fixedly connected with the wear-resistant layer through the bolt.

The effect that above-mentioned part reaches is: the bolt is rotated to tightly press the side wall of the wear-resistant layer, so that the connection tightness between the cylinder and the cable is improved, and the phenomenon that the cylinder slides down from the surface of the cable is reduced.

In summary, the following steps:

in this application, set up filling layer and flame retardant coating, reduced the phenomenon that blows and produce toxic gas easily under the cable load situation, improved the feature of environmental protection to in the cable use.

Through setting up the inside of billet range at the epidermal layer, the cracked phenomenon appears in having reduced the cable use easily, and the wearing layer of being formed by polyamide fiber layer preparation has good comprehensive properties, has improved the life to the cable.

Drawings

FIG. 1 is a perspective view of the present application;

FIG. 2 is a cross-sectional structural schematic of the present application;

fig. 3 is a partial structural schematic diagram of fig. 1 in the present application.

Illustration of the drawings: 1. a skin layer; 2. a copper core; 3. a protective structure; 31. an insulating layer; 32. a filling layer; 33. a fire barrier layer; 34. an armor layer; 35. a wear layer; 4. a covering device; 41. a cylinder; 42. a bolt; 43. a silica gel ring; 44. connecting ropes; 45. a protective cap; 46. an elastic ring.

Detailed Description

Referring to fig. 1, the present application provides a technical solution: the utility model provides a there is not steamed low cigarette environmental protection cable, includes epidermal layer 1, is provided with four copper cores 2 in the epidermal layer 1, and the surface of four copper cores 2 is equipped with protective structure 3, and the lateral wall of epidermal layer 1 is equipped with covering device 4.

Referring to fig. 2, in the present embodiment: the protective structure 3 comprises a fireproof layer 33, the fireproof layer 33 is positioned on the outer sides of the four copper cores 2, and the fireproof layer 33 is an asbestos fiber layer; through setting up the flame retardant coating 33 that is formed by the asbestos fiber layer material preparation, asbestos fiber has good thermal-insulated and flame retardant efficiency, can reduce effectively that the contact appears between copper core 2 and the epidermal layer 1 and lead to the phenomenon that epidermal layer 1 is heated and is lighted, has reduced the production of toxic gas when burning, has further improved the feature of environmental protection in the cable use, and the surface of copper core 2 is equipped with insulating layer 31. A filling layer 32 is filled between the insulating layer 31 and the fireproof layer 33, and the filling layer 32 is a flame retardant layer; the filling layer 32 made of the flame retardant separates the four wire cores from the fireproof layer 33, the flame retardant has good flame-retardant and heat-insulation effects, the fireproof effect of the cable is enhanced, and the environment-friendly effect in the use process of the cable is further improved. The surface of the fireproof layer 33 is fixedly provided with an armor layer 34, and the armor layer 34 is a steel sheet layer; through setting up the billet and arranging in the inside of epidermal layer 1, the billet has good intensity to improve the holistic toughness of cable, reduced the cracked phenomenon of appearing easily in the cable use. The outer peripheral surface of the surface layer 1 is glued with a wear-resistant layer 35, and the wear-resistant layer 35 is a polyamide fiber layer; the wear-resistant layer 35 made of the polyamide fiber layer has good comprehensive properties including mechanical properties, heat resistance, wear resistance and chemical resistance, and improves the corrosion resistance and wear resistance effects of the surface layer 1, thereby prolonging the service life of the cable.

Referring to fig. 3, in particular, the covering device 4 includes a cylinder 41, the cylinder 41 is located at an end side of the wear-resistant layer 35, and a connecting rope 44 is fixedly connected to a side wall of the cylinder 41; the arrangement of the connecting rope 44 reduces the loss of the protective cap 45. One end of the connecting rope 44 far away from the cylinder 41 is fixedly connected with a protective cap 45; the cylinder 41 on the surface of the sliding wear-resistant layer 35 is arranged at a position where a cable needs to be taken, after one end of a wound cable product is cut off and taken, the cylinder 41 is covered at the port position of the cable, the protective cap 45 is covered on the inner wall of the cylinder 41, covering of the port position of the electric wire can be achieved, and accordingly protection of the end position of the cable is facilitated. A silica gel ring 43 is glued to the inner wall of the cylinder 41, the silica gel ring 43 is filled between the cylinder 41 and the wear-resistant layer 35, the sealing performance of the connection between the cylinder 41 and the wear-resistant layer 35 is improved, and an elastic ring 46 is glued to the side wall of the protective cap 45; the packing of the elastic ring 46 between the helmet 45 and the cylinder 41 improves the tightness of the interconnection between the cylinder 41 and the helmet 45. A bolt 42 is inserted into the internal thread of the cylinder 41, and the cylinder 41 is fixedly connected with the wear-resistant layer 35 by the bolt 42; the rotating bolt 42 is tightly pressed on the side wall of the wear-resistant layer 35, so that the connection tightness between the cylinder 41 and the cable is improved, and the phenomenon that the cylinder 41 slides off from the surface of the cable is reduced.

The working principle is as follows: the fireproof layer 33 made of the asbestos fiber layer material is arranged, so that the asbestos fiber has good heat insulation and flame retardant effects, the phenomenon that the surface layer 1 is heated and ignited due to contact between the copper core 2 and the surface layer 1 can be effectively reduced, the generation of toxic gas during combustion is reduced, and the environmental protection performance of the cable in the using process is further improved; the four wire cores and the fireproof layer 33 are separated by the filling layer 32 made of the flame retardant, the flame retardant has good flame-retardant and heat-insulation effects, the fireproof effect of the cable is enhanced, and the environment-friendly effect of the cable in the using process is further improved; the insulating layer 31 made of the polyethylene layer material can resist corrosion of most acids and alkalis, has small water absorption, can still keep flexibility at low temperature, and has high electrical insulation, thereby improving the safety of the cable in the using process; through setting up protective structure 3, set up filling layer 32 and flame retardant coating 33, reduced the phenomenon that burns out easily and produce toxic gas under the cable load situation, improved the feature of environmental protection in the cable use.

The steel bars are arranged in the surface layer 1 and have good strength, so that the overall toughness of the cable is improved, and the phenomenon that the cable is easy to break in the using process is reduced; the wear-resistant layer 35 made of the polyamide fiber layer has good comprehensive properties including mechanical properties, heat resistance, wear resistance and chemical resistance, and improves the corrosion resistance and wear resistance effects of the surface layer 1, thereby prolonging the service life of the cable.

When a cable product needs to be taken, the cylinder 41 on the surface of the wear-resistant layer 35 is slid to a position where the cable needs to be taken, after a wound cable product is cut to take a section, the cylinder 41 is covered at the port position of the cable, and the protective cap 45 is covered on the inner wall of the cylinder 41, so that the covering of the port position of the electric wire can be realized, the protection of the end position of the cable is facilitated, and the phenomenon that the protective cap 45 is lost is reduced due to the arrangement of the connecting rope 44; the silica gel ring 43 is filled between the cylinder 41 and the wear-resistant layer 35 to improve the connection tightness between the cylinder 41 and the wear-resistant layer 35, and the elastic ring 46 is filled between the protective cap 45 and the cylinder 41 to improve the connection tightness between the cylinder 41 and the protective cap 45; the bolt 42 is rotated to be tightly pressed on the side wall of the wear-resistant layer 35, so that the connection tightness between the cylinder 41 and the cable is improved, and the phenomenon that the cylinder 41 slides off from the surface of the cable is reduced; through setting up covering device 4, made things convenient for taking covering of back cable product end position, reduced cable product end position copper core 2 and appeared corroding the emergence of phenomenon.

Claims

1. The utility model provides a there is not steamed low cigarette environmental protection cable, includes epidermal layer (1), its characterized in that: be provided with four copper core (2), four in epidermal layer (1) the surface of copper core (2) is equipped with protective structure (3), protective structure (3) include flame retardant coating (33), flame retardant coating (33) are located the outside of four copper core (2), flame retardant coating (33) are the asbestos fiber layer, the surface of copper core (2) is equipped with insulating layer (31).

2. The halogen-free low-smoke environment-friendly cable according to claim 1, characterized in that: and a filling layer (32) is filled between the insulating layer (31) and the fire-proof layer (33), and the filling layer (32) is a flame retardant layer.

3. The halogen-free low-smoke environment-friendly cable according to claim 1, characterized in that: and an armor layer (34) is fixedly arranged on the surface of the fireproof layer (33), and the armor layer (34) is a steel sheet layer.

4. The halogen-free low-smoke environment-friendly cable according to claim 1, characterized in that: the outer peripheral face of epidermal layer (1) is glued with wearing layer (35), wearing layer (35) are polyamide fiber layer.

5. The halogen-free low-smoke environment-friendly cable according to claim 4, characterized in that: the lateral wall of wearing layer (35) is equipped with covering device (4), covering device (4) include drum (41), drum (41) are located the distolateral side of wearing layer (35), the lateral wall fixedly connected with of drum (41) connects rope (44), connect one end fixedly connected with helmet (45) that drum (41) were kept away from in rope (44).

6. The halogen-free low-smoke environment-friendly cable according to claim 5, characterized in that: the inner wall of the cylinder (41) is glued with a silica gel ring (43), and the side wall of the protective cap (45) is glued with an elastic ring (46).

7. The halogen-free low-smoke environment-friendly cable according to claim 5, characterized in that: a bolt (42) is inserted into the internal thread of the cylinder (41), and the cylinder (41) is fixedly connected with the wear-resistant layer (35) through the bolt (42).