CN213815605U - Fireproof and moistureproof cable for high-speed rail - Google Patents
Fireproof and moistureproof cable for high-speed rail Download PDFInfo
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- CN213815605U CN213815605U CN202022525150.8U CN202022525150U CN213815605U CN 213815605 U CN213815605 U CN 213815605U CN 202022525150 U CN202022525150 U CN 202022525150U CN 213815605 U CN213815605 U CN 213815605U
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Abstract
The utility model belongs to the technical field of the cable technique and specifically relates to a fire-resistant damp-proofing cable for high-speed railway, the cable core comprises a cable core, the surface bonding of cable core has the insulating layer, gap department between cable core and the insulating layer fills there is filler, the surface bonding of insulating layer has the waterproof layer, the surface bonding of waterproof layer has the resist compression layer, the surface bonding of resist compression layer has the flame retardant coating, the flame retardant coating includes the chloroprene rubber layer, the surface bonding of chloroprene rubber layer has the mica bisque, the surface bonding of mica bisque has the polyvinyl chloride layer, the surface bonding of flame retardant coating has the dampproof course, the dampproof course includes the EPT rubber layer, the surface bonding of EPT rubber layer has the polyurethane layer, the surface bonding of polyurethane layer has the polyethylene layer, the surface bonding of dampproof course has the protective layer, the surface bonding of protective layer has the corrosion resistant layer. The utility model discloses has good fire resistance and humidity resistance.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a fire-resistant damp-proofing cable for high-speed railway.
Background
Typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.
The existing cable for the high-speed rail is poor in fire resistance, easy to ignite, and easy to influence signal transmission due to moisture in the using process, so that the normal work of the high-speed rail is influenced, and potential safety hazards are brought.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that has fire proofness and humidity resistance not good among the prior art, and the cable for fire-resistant damp-proofing high-speed railway that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fire-resistant and moisture-proof cable for high-speed rails is designed, which comprises a cable core, wherein an insulating layer is bonded on the outer surface of the cable core, the gap between the cable core and the insulating layer is filled with filling materials, the outer surface of the insulating layer is bonded with a waterproof layer, the outer surface of the waterproof layer is bonded with a pressure-resistant layer, the outer surface of the pressure-resistant layer is bonded with a fire-resistant layer, the fire-resistant layer comprises a chloroprene rubber layer, a mica powder layer is bonded on the outer surface of the chloroprene rubber layer, the outer surface of the mica powder layer is bonded with a polyvinyl chloride layer, the outer surface of the fire-resistant layer is bonded with a damp-proof layer, the moisture-proof layer comprises an ethylene propylene diene monomer rubber layer, a polyurethane layer is bonded on the outer surface of the ethylene propylene diene monomer rubber layer, the outer surface of polyurethane layer bonds has the polyethylene layer, the surface bonding of dampproof course has the protective layer, the surface bonding of protective layer has corrosion resistant layer.
Preferably, the resistance to compression layer is including the first elastic connection piece of even bonding at the waterproof layer surface, one side of first elastic connection piece bonds and has the rubber post, one side of rubber post bonds and has the second elastic connection piece, one side of second elastic connection piece bonds and has the flame retardant coating.
Preferably, the rubber columns are bonded with tensile ribs.
Preferably, elastic filler is filled between one side of the tensile rib and the waterproof layer, and elastic filler is also filled between the other side of the tensile rib and the fire-resistant layer.
Preferably, the outer surface of the corrosion-resistant layer is sprayed with a waterproof coating.
The utility model provides a pair of fire-resistant damp-proofing cable for high-speed railway, beneficial effect lies in:
1. the setting of waterproof layer can prevent that the cable in-core from getting into moisture, and the pliability of cable can be increased in the setting of anti-pressure layer, and the setting of flame retardant coating can conveniently strengthen the fire resistance of cable.
2. The setting of dampproof course can prevent that the cable is moist to can avoid signal transmission to receive the influence, thereby avoid influencing the normal work of high-speed railway, the cooperation setting between protective layer and the corrosion-resistant layer can prevent that the cable from corroding, prolongs the life of cable.
Drawings
Fig. 1 is a schematic structural view of a fire-resistant and moisture-proof cable for high-speed rail according to the present invention;
fig. 2 is a schematic structural diagram of a fire-resistant layer of a fire-resistant and moisture-proof cable for a high-speed rail according to the present invention;
fig. 3 is the utility model provides a structural schematic diagram of the dampproof course of fire-resistant damp-proof cable for high-speed railway.
In the figure: the cable comprises a cable core 1, a filling material 2, an insulating layer 3, a waterproof layer 4, a first elastic connecting block 5, a rubber column 6, a second elastic connecting block 7, an anti-pulling rib 8, an elastic filler 9, a fire-resistant layer 10, a moisture-proof layer 11, a protective layer 12, an anti-corrosion layer 13, a chloroprene rubber layer 14, a mica powder layer 15, a polyvinyl chloride layer 16, an ethylene propylene diene monomer rubber layer 17, a polyurethane layer 18 and a polyethylene layer 19.
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.
Example 1
Referring to fig. 1-3, a fire-resistant and moisture-proof cable for high-speed rail comprises a cable core 1, an insulating layer 3 is bonded on the outer surface of the cable core 1, a filling material 2 is filled in a gap between the cable core 1 and the insulating layer 3, a waterproof layer 4 is bonded on the outer surface of the insulating layer 3, a pressure-resistant layer is bonded on the outer surface of the waterproof layer 4, a fire-resistant layer 10 is bonded on the outer surface of the pressure-resistant layer, the fire-resistant layer 10 comprises a chloroprene rubber layer 14, a mica powder layer 15 is bonded on the outer surface of the chloroprene rubber layer 14, a polyvinyl chloride layer 16 is bonded on the outer surface of the mica powder layer 15, and the waterproof layer 4 is arranged to prevent water from entering the cable core, the arrangement of the pressure-resistant layer can increase the flexibility of the cable, the arrangement of the fire-resistant layer 10 can conveniently enhance the fire resistance of the cable, the chloroprene rubber layer 14 has high tensile strength, elongation and reversible crystallinity, and good bonding property, and aging resistance, The mica powder layer 15 has good elasticity, toughness, good insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance and strong adhesive force, and the polyvinyl chloride layer 16 has the characteristics of flame retardancy, acid and alkali resistance, microorganism resistance, wear resistance and the like, and has good heat retention and elasticity.
The outer surface of the fire-resistant layer 10 is bonded with a moisture-proof layer 11, the moisture-proof layer 11 comprises an ethylene propylene diene monomer rubber layer 17, the outer surface of the ethylene propylene diene monomer rubber layer 17 is bonded with a polyurethane layer 18, the outer surface of the polyurethane layer 18 is bonded with a polyethylene layer 19, the outer surface of the moisture-proof layer 11 is bonded with a protective layer 12, the outer surface of the protective layer 12 is bonded with an anti-corrosion layer 13, the outer surface of the anti-corrosion layer 13 is sprayed with waterproof paint, the moisture-proof layer 11 is arranged, the cable can be prevented from being wet, signal transmission can be prevented from being influenced, normal work of high-speed rail is prevented from being influenced, the protective layer 12 and the anti-corrosion layer 13 are arranged in a matching mode, the cable can be prevented from being corroded, the service life of the cable is prolonged, the ethylene propylene diene monomer rubber layer 17 has resistance to polar solution and chemicals, the water absorption rate is low, the flame-resistant property is good, the wear-resistant performance of the polyurethane layer 18 is good, the mechanical strength is high, the polyethylene layer 19 has excellent low-temperature resistance, good chemical stability, acid and alkali resistance, small water absorption and excellent electrical insulation.
Example 2
Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the compression-resistant layer includes a first elastic connection block 5 uniformly adhered to the outer surface of a waterproof layer 4, a rubber column 6 is adhered to one side of the first elastic connection block 5, a second elastic connection block 7 is adhered to one side of the rubber column 6, a fire-resistant layer 10 is adhered to one side of the second elastic connection block 7, tension-resistant ribs 8 are adhered between the rubber columns 6, elastic fillers 9 are filled between one side of the tension-resistant ribs 8 and the waterproof layer 4, elastic fillers 9 are also filled between the other side of the tension-resistant ribs 8 and the fire-resistant layer 10, the first elastic connection block 5, the cooperation setting between 6 and the second elastic connection piece 7 of rubber column can make the cable have good compressive property, avoids the cable fracture in the use, and the compressive tensile property of strengthening the cable that can step forward is set up in the cooperation between tensile muscle 8 and the elastic packing 9.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The fire-resistant and damp-proof cable for the high-speed rail comprises a cable core (1) and is characterized in that an insulating layer (3) is bonded on the outer surface of the cable core (1), a filling material (2) is filled in a gap between the cable core (1) and the insulating layer (3), a waterproof layer (4) is bonded on the outer surface of the insulating layer (3), a pressure-resistant layer is bonded on the outer surface of the waterproof layer (4), a fire-resistant layer (10) is bonded on the outer surface of the pressure-resistant layer, the fire-resistant layer (10) comprises a chloroprene rubber layer (14), a mica powder layer (15) is bonded on the outer surface of the chloroprene rubber layer (14), a polyvinyl chloride layer (16) is bonded on the outer surface of the mica powder layer (15), a damp-proof layer (11) is bonded on the outer surface of the fire-resistant layer (10), an ethylene propylene diene rubber layer (17) is bonded on the outer surface of the ethylene propylene diene rubber layer (17) to form a polyurethane layer (18), the outer surface of polyurethane layer (18) bonds has polyethylene layer (19), the outer surface bonding of dampproof course (11) has protective layer (12), the outer surface bonding of protective layer (12) has corrosion resistant layer (13).
2. The fire-resistant and moisture-proof high-speed railway cable according to claim 1, wherein the compression-resistant layer comprises a first elastic connecting block (5) uniformly adhered to the outer surface of the waterproof layer (4), a rubber column (6) is adhered to one side of the first elastic connecting block (5), a second elastic connecting block (7) is adhered to one side of the rubber column (6), and the fire-resistant layer (10) is adhered to one side of the second elastic connecting block (7).
3. A fire-resistant moisture-proof high-speed railway cable according to claim 2, characterized in that the bonding between said rubber columns (6) is with tensile ribs (8).
4. The fire-resistant and moisture-proof high-speed railway cable according to claim 3, wherein an elastic filler (9) is filled between one side of the tensile rib (8) and the waterproof layer (4), and an elastic filler (9) is also filled between the other side of the tensile rib (8) and the fire-resistant layer (10).
5. The fire-resistant moisture-proof cable for high-speed rails according to claim 1, wherein the outer surface of the corrosion-resistant layer (13) is sprayed with a waterproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022525150.8U CN213815605U (en) | 2020-11-04 | 2020-11-04 | Fireproof and moistureproof cable for high-speed rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022525150.8U CN213815605U (en) | 2020-11-04 | 2020-11-04 | Fireproof and moistureproof cable for high-speed rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213815605U true CN213815605U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022525150.8U Active CN213815605U (en) | 2020-11-04 | 2020-11-04 | Fireproof and moistureproof cable for high-speed rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213815605U (en) |
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2020
- 2020-11-04 CN CN202022525150.8U patent/CN213815605U/en active Active
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