CN210777884U - Anti-aging high-performance rubber insulation subway cable with composite sheath - Google Patents
Anti-aging high-performance rubber insulation subway cable with composite sheath Download PDFInfo
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- CN210777884U CN210777884U CN201921605232.4U CN201921605232U CN210777884U CN 210777884 U CN210777884 U CN 210777884U CN 201921605232 U CN201921605232 U CN 201921605232U CN 210777884 U CN210777884 U CN 210777884U
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Abstract
The utility model discloses an ageing resistance high performance composite sheath rubber insulation subway cable, including the fire prevention sheath, the inner circle of fire prevention sheath is inlayed and is had light magnesium oxide granule, the inner circle of fire prevention sheath and be located light magnesium oxide granule and be provided with insulating sheath, insulating sheath's inner circle is inlayed and is had the copper electric conductor, the outer lane parcel of fire prevention sheath has the shielding sheath, the outer lane parcel of shielding sheath has the ageing resistance sheath, the outer lane parcel of ageing resistance sheath has the PE membrane. The utility model discloses a cooperation that sets up ageing resistance vulcanized rubber sheath and ageing resistance silicon rubber sheath is used, has improved subway cable's ageing resistance, and subway cable's life is longer like this, has solved subway cable when using, because of lacking the ageing resistance protection for subway cable is ageing damage easily in the use, thereby leads to the shorter problem of life to appear in the subway cable, has prolonged subway cable's life greatly.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be an ageing resistance high performance composite sheath rubber insulation subway cable.
Background
Along with the development of present urbanization, for the trip of people conveniently, the subway has obtained extensive construction in the city, need use a large amount of cables in the subway construction process, and current subway cable lacks effectual anti-oxidant protection when using for the easy aging damage of subway cable in the use, thereby lead to the shorter problem of life to appear in the subway cable, greatly reduced subway cable's practicality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ageing resistance high performance composite sheath rubber insulation subway cable possesses the advantage of ageing resistance protection, has solved the shorter problem of life appears in subway cable.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-aging high-performance composite sheath rubber insulation subway cable comprises a fireproof sheath, wherein light magnesium oxide particles are embedded in an inner ring of the fireproof sheath, an insulation sheath is arranged in the light magnesium oxide particles and positioned in the inner ring of the fireproof sheath, a copper conductor is embedded in the inner ring of the insulation sheath, a shielding sheath is wrapped on an outer ring of the fireproof sheath, an anti-aging sheath is wrapped on the outer ring of the shielding sheath, and a PE film is wrapped on the outer ring of the anti-aging sheath;
the fireproof sheath comprises a glass fiber winding layer, a halogen-free low-smoke flame-retardant polyolefin layer wraps the outer ring of the glass fiber winding layer, the insulating sheath comprises a polyethylene sheath, butyl rubber wraps the outer ring of the polyethylene sheath, the shielding sheath comprises a metal armor net, a metal connecting net wraps the outer ring of the metal armor net, the anti-aging sheath comprises an anti-aging silicon rubber sheath, and an anti-aging vulcanized rubber sheath wraps the outer ring of the anti-aging silicon rubber sheath.
Preferably, the surface of the inner ring of the glass fiber winding layer is in contact with the light magnesium oxide particles, and the surface of the outer ring of the halogen-free low-smoke flame-retardant polyolefin layer is in contact with the surface of the inner ring of the shielding sheath.
Preferably, the surface of the inner ring of the polyethylene sheath is in contact with the surface of the copper conductor, and the surface of the outer ring of the butyl rubber is in contact with the light magnesium oxide particles.
Preferably, the surface of the metal armor mesh inner ring is in contact with the surface of the halogen-free low-smoke flame-retardant polyolefin layer outer ring, and the surface of the metal connecting mesh outer ring is in contact with the surface of the anti-aging sheath inner ring.
Preferably, the surface of the inner ring of the anti-aging silicon rubber sheath is in contact with the surface of the outer ring of the metal connecting net, and the surface of the outer ring of the anti-aging vulcanized rubber sheath is in contact with the surface of the inner ring of the PE film.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a cooperation that sets up ageing resistance vulcanized rubber sheath and ageing resistance silicon rubber sheath is used, has improved subway cable's ageing resistance, and subway cable's life is longer like this, has solved subway cable when using, because of lacking the ageing resistance protection for subway cable is ageing damage easily in the use, thereby leads to the shorter problem of life to appear in the subway cable, has prolonged subway cable's life greatly, is worth promoting.
2. The utility model discloses a cooperation on glass fiber winding layer, steamed low fire-retardant polyolefin layer of cigarette and light magnesium oxide granule has not had, has improved subway cable's fire resistance, through the cooperation of butyl rubber and polyethylene sheath, can carry out insulation protection to the copper electric conductor, through the cooperation of metal connecting net and metal armor net, has improved subway cable's electromagnetic shield nature, through the PE protection film, can confront the ageing sheath and shield.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the insulating sheath of the present invention;
FIG. 3 is a schematic view of the structure of the fireproof sheath of the present invention;
fig. 4 is a schematic structural view of the shielding sheath of the present invention;
fig. 5 is the schematic view of the anti-aging sheath structure of the utility model.
In the figure: the fireproof insulation material comprises a fireproof sheath 1, a halogen-free low-smoke flame-retardant polyolefin layer 11, a glass fiber winding layer 12, an insulating sheath 2, butyl rubber 21, a polyethylene sheath 22, an anti-aging sheath 3, an anti-aging vulcanized rubber sheath 31, an anti-aging silicone rubber sheath 32, a shielding sheath 4, a metal connecting net 41, a metal armored net 42, a PE film 5, light magnesium oxide particles 6 and a copper conductor 7.
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. 1-5, an anti-aging high-performance composite sheath rubber insulation subway cable comprises a fireproof sheath 1, light magnesium oxide particles 6 are embedded in an inner ring of the fireproof sheath 1, an insulation sheath 2 is arranged in the inner ring of the fireproof sheath 1 and positioned in the light magnesium oxide particles 6, a copper conductor 7 is embedded in the inner ring of the insulation sheath 2, a shielding sheath 4 is wrapped on an outer ring of the fireproof sheath 1, an anti-aging sheath 3 is wrapped on an outer ring of the shielding sheath 4, and a PE film 5 is wrapped on an outer ring of the anti-aging sheath 3;
the fireproof sheath 1 comprises a glass fiber winding layer 12, an outer ring of the glass fiber winding layer 12 is wrapped by a halogen-free low-smoke flame-retardant polyolefin layer 11, the surface of an inner ring of the glass fiber winding layer 12 is in contact with light magnesium oxide particles 6, the surface of an outer ring of the halogen-free low-smoke flame-retardant polyolefin layer 11 is in contact with the surface of an inner ring of a shielding sheath 4, the flame retardance of the subway cable is improved through the cooperation of the glass fiber winding layer 12, the halogen-free low-smoke flame-retardant polyolefin layer 11 and the light magnesium oxide particles 6, the insulating sheath 2 comprises a polyethylene sheath 22, the outer ring of the polyethylene sheath 22 is wrapped by butyl rubber 21, the surface of the inner ring of the polyethylene sheath 22 is in contact with the surface of a copper conductor 7, the surface of the outer ring of the butyl rubber 21 is in contact with the light magnesium oxide particles 6, the copper conductor 7 can be insulated and protected through the cooperation of the butyl, the outer ring of the metal armored net 42 is wrapped with the metal connecting net 41, the surface of the inner ring of the metal armored net 42 is in contact with the surface of the outer ring of the halogen-free low-smoke flame-retardant polyolefin layer 11, the surface of the outer ring of the metal connecting net 41 is in contact with the surface of the inner ring of the anti-aging sheath 3, the electromagnetic shielding performance of the subway cable is improved through the matching of the metal connecting net 41 and the metal armored net 42, the anti-aging sheath 3 comprises the anti-aging silicon rubber sheath 32, the outer ring of the anti-aging silicon rubber sheath 32 is wrapped with the anti-aging vulcanized rubber sheath 31, the anti-aging performance of the subway cable is improved through the matching use of the anti-aging vulcanized rubber sheath 31 and the anti-aging silicon rubber sheath 32, the service life of the subway cable is longer, and the problem that the subway cable is easy to age and damage in the using process due to lack of, the service life of the subway cable is greatly prolonged, the subway cable is worth popularizing, the surface of the inner ring of the anti-aging silicon rubber sheath 32 is in contact with the surface of the outer ring of the metal connecting net 41, the surface of the outer ring of the anti-aging vulcanized rubber sheath 31 is in contact with the surface of the inner ring of the PE film 5, and the anti-aging sheath 3 can be shielded through the PE protective film 5.
When the anti-aging rubber cable is used, the anti-aging property of the subway cable is improved by the matching use of the anti-aging vulcanized rubber sheath 31 and the anti-aging silicon rubber sheath 32, so that the service life of the subway cable is longer, the problem that the subway cable is easy to age and damage in the use process due to lack of anti-aging protection when the subway cable is used is solved, the service life of the subway cable is shorter, and the service life of the subway cable is greatly prolonged; the flame retardance of the subway cable is improved by the cooperation of the glass fiber winding layer 12, the halogen-free low-smoke flame-retardant polyolefin layer 11 and the light magnesium oxide particles 6; the copper conductor 7 can be insulated and protected by matching the butyl rubber 21 with the polyethylene sheath 22; the electromagnetic shielding performance of the subway cable is improved by matching the metal connecting net 41 and the metal armor net 42; the weathering jacket 3 is shielded by a protective film 5 of PE.
In summary, the following steps: this compound sheath rubber insulation subway cable of ageing resistance high performance uses through the cooperation that sets up ageing resistance vulcanized rubber sheath 31 and ageing resistance silicon rubber sheath 32, has solved the short problem of life appears in the subway cable.
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 (5)
1. The utility model provides an ageing resistance high performance composite sheath rubber insulation subway cable, includes fire prevention sheath (1), its characterized in that: light magnesium oxide particles (6) are embedded in the inner ring of the fireproof sheath (1), an insulating sheath (2) is arranged in the inner ring of the fireproof sheath (1) and is positioned in the light magnesium oxide particles (6), a copper conductor (7) is embedded in the inner ring of the insulating sheath (2), a shielding sheath (4) is wrapped on the outer ring of the fireproof sheath (1), an anti-aging sheath (3) is wrapped on the outer ring of the shielding sheath (4), and a PE film (5) is wrapped on the outer ring of the anti-aging sheath (3);
fireproof sheath (1) includes glass fiber winding layer (12), the outer lane parcel of glass fiber winding layer (12) has halogen-free low smoke flame retardant polyolefin layer (11), insulating sheath (2) includes polyethylene sheath (22), the outer lane parcel of polyethylene sheath (22) has butyl rubber (21), shielding sheath (4) is including metal armour net (42), the outer lane parcel of metal armour net (42) has metal connecting net (41), ageing resistance sheath (3) is including ageing resistance silicon rubber sheath (32), the outer lane parcel of ageing resistance silicon rubber sheath (32) has ageing resistance vulcanized rubber sheath (31).
2. The anti-aging high-performance composite sheath rubber insulation subway cable according to claim 1, characterized in that: the surface of the inner ring of the glass fiber winding layer (12) is in contact with the light magnesium oxide particles (6), and the surface of the outer ring of the halogen-free low-smoke flame-retardant polyolefin layer (11) is in contact with the surface of the inner ring of the shielding sheath (4).
3. The anti-aging high-performance composite sheath rubber insulation subway cable according to claim 1, characterized in that: the surface of the inner ring of the polyethylene sheath (22) is in contact with the surface of the copper conductor (7), and the surface of the outer ring of the butyl rubber (21) is in contact with the light magnesium oxide particles (6).
4. The anti-aging high-performance composite sheath rubber insulation subway cable according to claim 1, characterized in that: the surface of the inner ring of the metal armored net (42) is in contact with the surface of the outer ring of the halogen-free low-smoke flame-retardant polyolefin layer (11), and the surface of the outer ring of the metal connecting net (41) is in contact with the surface of the inner ring of the anti-aging sheath (3).
5. The anti-aging high-performance composite sheath rubber insulation subway cable according to claim 1, characterized in that: the surface of the inner ring of the anti-aging silicon rubber sheath (32) is in contact with the surface of the outer ring of the metal connecting net (41), and the surface of the outer ring of the anti-aging vulcanized rubber sheath (31) is in contact with the surface of the inner ring of the PE film (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921605232.4U CN210777884U (en) | 2019-09-25 | 2019-09-25 | Anti-aging high-performance rubber insulation subway cable with composite sheath |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921605232.4U CN210777884U (en) | 2019-09-25 | 2019-09-25 | Anti-aging high-performance rubber insulation subway cable with composite sheath |
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| CN210777884U true CN210777884U (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309630A (en) * | 2020-09-27 | 2021-02-02 | 新亚特电缆股份有限公司 | Subway cable of ageing resistance |
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2019
- 2019-09-25 CN CN201921605232.4U patent/CN210777884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309630A (en) * | 2020-09-27 | 2021-02-02 | 新亚特电缆股份有限公司 | Subway cable of ageing resistance |
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