CN212516629U

CN212516629U - Flame-retardant wear-resistant cable

Info

Publication number: CN212516629U
Application number: CN202020947442.8U
Authority: CN
Inventors: 左福生
Original assignee: Jiangsu China Railway Huayang Yinhe Cable Co ltd
Current assignee: Jiangsu China Railway Huayang Yinhe Cable Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-09
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a fire-retardant wear-resisting cable relates to cable production technical field. This fire-retardant wear-resisting cable, including the conductor, the conductor outside is provided with the insulating layer, the insulating layer outside is provided with the support bar, the quantity of support bar sets up to a plurality ofly, and is a plurality of be provided with the filling layer between the support bar, the inside first strip of strengthening that is provided with of filling layer, the support bar outside is provided with the mica tape, the inside second that is provided with of mica tape strengthens the strip, the mica tape outside is provided with around the covering, be provided with the protective sheath around the covering outside. The flame-retardant wear-resistant cable can form crystal water when meeting fire in the using process of the mica tape, can absorb a large amount of heat, and therefore can play a good flame-retardant role, the filling layer is made of polyvinyl chloride, decabromodiphenyl ether, chlorinated paraffin and a synergistic flame retardant mixed material, the flame retardance of the polyvinyl chloride can be remarkably improved, and conductors can be protected.

Description

Flame-retardant wear-resistant cable

Technical Field

The utility model relates to a cable manufacture technical field specifically is a fire-retardant wear-resisting cable.

Background

The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation.

But traditional cable often only adopts single fire prevention fire-retardant material to realize to the structure of fire prevention in actual production process, perhaps adopts to fill many well fire-retardant materials and realizes, and the former fire prevention fire-retardant effect is relatively poor, and the latter is owing to fill more fire-retardant material, and the structural strength of cable receives the influence when in actual use, has influenced the whole life-span of cable leisurely.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fire-retardant wear-resisting cable to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a fire-retardant wear-resisting cable, includes the conductor, the conductor outside is provided with the insulating layer, the insulating layer outside is provided with the support bar, the quantity of support bar sets up to a plurality of, and is a plurality of be provided with the filling layer between the support bar, the inside first strip of strengthening that is provided with of filling layer, the support bar outside is provided with the mica tape, the inside second that is provided with of mica tape strengthens the strip, the mica tape outside is provided with around the covering, be provided with the protective sheath around the covering outside, the protective sheath outside is provided with the wearing layer.

Preferably, the insulating layer comprises an inner ring, an outer ring and a filling ring, and the filling ring is arranged between the inner ring and the outer ring.

Preferably, the inner ring and the outer ring are both made of rubber material, and the filling ring is made of cross-linked polyethylene material.

Preferably, the first reinforcing strip and the second reinforcing strip are both made of rubber materials, and the supporting strip is made of rubber materials.

Preferably, the wrapping layer is made of a light non-woven fabric material.

Preferably, the protective sheath is made of polyethylene material.

Preferably, the wear-resistant layer is made of a silicon carbide material, and the filling layer is made of a flame retardant material.

The utility model provides a fire-retardant wear-resisting cable, its beneficial effect who possesses as follows:

1. the wear-resisting layer is made by the carborundum material in this fire-retardant wear-resisting cable, good chemical properties is stable, and the coefficient of heat conductivity is high, thermal expansion coefficient is little, wear resistance is good, can carry out good protection to cable itself in the in-service use, make by light-duty non-woven fabrics material around the covering, good high temperature resistance has, can play certain fire prevention effect, and its inside mica tape is in the use, in case the mica tape meets fire and can form the crystal water, can absorb a large amount of heat, consequently, can play good fire-retardant effect, here the filling layer is made by the fire retardant material, can show the fire resistance that improves the cable, protect the conductor.

2. This fire-retardant wear-resisting cable is through being provided with first enhancement strip in the filling layer inside, and the tensile strength and the bending strength of cable can effectively be improved to the inside second enhancement strip of cooperation mica tape, consequently can carry out certain protection, the practicality is stronger to the cable in actual installation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the supporting bar structure of the present invention;

FIG. 3 is a schematic view of the insulating layer structure of the present invention;

fig. 4 is an enlarged view of the structure of the portion a of fig. 1 according to the present invention.

In the figure: 1. a conductor; 2. an insulating layer; 3. a supporting strip; 4. a filling layer; 5. a first reinforcing strip; 6. Mica tapes; 7. a second reinforcing strip; 8. wrapping a covering; 9. a protective sleeve; 10. a wear layer; 11. an inner circular ring; 12. an outer ring; 13. the ring is filled.

Detailed Description

The embodiment of the utility model provides a flame-retardant wear-resistant cable, as shown in fig. 1-4, including conductor 1, conductor 1 is provided with insulating layer 2 outside, insulating layer 2 includes inner ring 11, outer ring 12 and packing ring 13, packing ring 13 is disposed between inner ring 11 and outer ring 12, inner ring 11 and outer ring 12 are made of rubber materials, packing ring 13 is made of crosslinked polyethylene material, crosslinked polyethylene has good insulating property, conductor 1 can be protected in the actual use process, insulating layer 2 is favorable for protecting conductor 1, insulating layer 2 is provided with support bars 3 outside, the number of support bars 3 is set to be a plurality, packing layer 4 is provided between a plurality of support bars 3, first reinforcing bar 5 is provided inside packing layer 4, mica tape 6 is provided outside support bar 3, second reinforcing bar 7 is provided inside mica tape 6, the first reinforcing strip 5 and the second reinforcing strip 7 are both made of rubber materials, the supporting strip 3 is made of rubber materials, the first reinforcing strip 5 is arranged inside the filling layer 4, the tensile strength and the bending strength of the cable can be effectively improved by matching the second reinforcing strip 7 inside the mica tape 6, similarly, the whole structural strength of the cable can be enhanced outside the conductor 1 by the arranged supporting strip 3, therefore, the cable can be protected to a certain extent in the actual installation process, the practicability is stronger, the wrapping layer 8 is arranged outside the mica tape 6, the wrapping layer 8 is made of light non-woven fabric materials, the cable has good high-temperature resistance, a certain fireproof effect can be achieved, the protective sleeve 9 is arranged outside the wrapping layer 8, the protective sleeve 9 is made of polyethylene materials, the wear-resistant layer 10 is arranged outside the protective sleeve 9, the wear-resistant layer 10 is made of silicon carbide materials, the filling layer 4 is made of flame retardant materials, the cable has good chemical stability, and can be well protected in the actual use process.

The implementation mode is specifically as follows: the wear-resistant layer 10 is arranged on the outer side of the protective sleeve 9, the wear-resistant layer 10 is made of silicon carbide materials, the cable has good chemical performance stability, high heat conductivity coefficient, small thermal expansion coefficient and good wear resistance, the cable can be well protected in the actual use process, the protective sleeve 9 can protect the conductor 1 inside the cable, the service life of the cable is prolonged, the wrapping layer 8 is made of light non-woven fabric materials, the cable has good high-temperature resistance and can play a certain fireproof role, and once the mica tape 6 inside the cable meets fire in the use process, crystal water can be formed by the mica tape 6, a large amount of heat can be absorbed, so that a good flame-retardant effect can be played, the filling layer 4 is made of flame retardant materials, the flame retardance of the cable can be remarkably improved, and the conductor 1 is protected;

through being provided with first enhancement strip 5 inside filling layer 4, the inside second enhancement strip 7 of cooperation mica tape 6 can effectively improve the tensile strength and the bending strength of cable, and on the same hand, the support bar 3 of setting can be at 1 outside reinforced cable's of conductor overall structure intensity, consequently can carry out certain protection to the cable in actual installation, and the practicality is stronger.

The working principle is as follows: the wearing layer 10 is made by the carborundum material, it is stable and wear resistance is good to have good chemical properties, can carry out good protection to the cable itself in the in-service use process, make by light-duty non-woven fabrics material around covering 8, have good high temperature resistance, can play certain fire prevention effect, and its inside mica tape 6 is in the use, in case mica tape 6 meets fire and can form crystal water, can absorb a large amount of heat, consequently, can play good flame retardant efficiency, here filling layer 4 is made by the fire retardant material, can show the fire resistance of cable, protect conductor 1.

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 flame-retardant, abrasion-resistant cable comprising a conductor (1), characterized in that: conductor (1) outside is provided with insulating layer (2), insulating layer (2) outside is provided with support bar (3), the quantity of support bar (3) sets up to a plurality of, and is a plurality of be provided with filling layer (4) between support bar (3), inside first enhancement strip (5) that is provided with of filling layer (4), support bar (3) outside is provided with mica tape (6), mica tape (6) inside is provided with the second and strengthens strip (7), the mica tape (6) outside is provided with around covering (8), be provided with protective sheath (9) around covering (8) outside, protective sheath (9) outside is provided with wearing layer (10).

2. A flame retardant, abrasion resistant cable according to claim 1, wherein: the insulating layer (2) comprises an inner circular ring (11), an outer circular ring (12) and a filling ring (13), wherein the filling ring (13) is arranged between the inner circular ring (11) and the outer circular ring (12).

3. A flame retardant, abrasion resistant cable according to claim 2, wherein: the inner circular ring (11) and the outer circular ring (12) are both made of rubber materials, and the filling ring (13) is made of cross-linked polyethylene materials.

4. A flame retardant, abrasion resistant cable according to claim 1, wherein: the first reinforcing strips (5) and the second reinforcing strips (7) are made of rubber materials, and the supporting strips (3) are made of rubber materials.

5. A flame retardant, abrasion resistant cable according to claim 1, wherein: the wrapping layer (8) is made of light non-woven fabric materials.

6. A flame retardant, abrasion resistant cable according to claim 1, wherein: the protective sleeve (9) is made of polyethylene material.

7. A flame retardant, abrasion resistant cable according to claim 1, wherein: the wear-resistant layer (10) is made of a silicon carbide material, and the filling layer (4) is made of a flame retardant material.