CN219716530U - Soft dampproofing fire prevention track traffic cable - Google Patents
Soft dampproofing fire prevention track traffic cable Download PDFInfo
- Publication number
- CN219716530U CN219716530U CN202320216456.6U CN202320216456U CN219716530U CN 219716530 U CN219716530 U CN 219716530U CN 202320216456 U CN202320216456 U CN 202320216456U CN 219716530 U CN219716530 U CN 219716530U
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- Prior art keywords
- layer
- fire
- inner sheath
- cable
- waterproof layer
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- 230000002265 prevention Effects 0.000 title claims description 5
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 15
- 239000010445 mica Substances 0.000 claims abstract description 14
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a soft dampproof fireproof track traffic cable, and belongs to the technical field of cables. Including the sinle silk unit, the sinle silk unit includes the copper core and sets up at its outside insulating layer, the outer layer of sinle silk unit is equipped with the filling layer, the outer layer of filling layer is equipped with the inner sheath, the surface of inner sheath is equipped with a plurality of first annular, the outer layer of inner sheath is equipped with the steel tape armor, the outer layer of steel tape armor is equipped with the waterproof layer, the surface of waterproof layer is equipped with a plurality of second annular, the outer layer of waterproof layer is equipped with fire-resistant mica tape, the outer layer of fire-resistant mica tape is equipped with the oversheath. The fire-resistant mica tape and the waterproof layer are arranged in the structure, and the cable has fire resistance and moisture resistance and stable performance; the surfaces of the inner sheath and the waterproof layer in the structure are provided with annular grooves in the axial direction, so that the cable has good flexibility; the filling layer adopts a glass fiber filling layer, so that the flexibility of the cable is improved.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a soft dampproof fireproof track traffic cable.
Background
The rail transit cable is generally applied to a subway system, and the safety performance requirement of the wire cable used in the field is higher than that of the wire cable used in the general field due to the specificity of the subway system. At present, most inter-city rail transit system cables are poor in moisture resistance, signal interference resistance, external force impact resistance, fire resistance and safety performance and poor in flexibility, so that the problems of low cable safety performance and distortion of transmission signals are often caused, normal use of the cables is further affected, and maintenance cost is increased.
Disclosure of Invention
In order to solve the problems, the utility model provides a soft dampproof fireproof track traffic cable.
The utility model is realized by the following technical scheme:
the utility model provides a soft dampproofing fire prevention track traffic cable, includes the sinle silk unit, the sinle silk unit includes the copper core and sets up at its outside insulating layer, the outer layer of sinle silk unit is equipped with the filling layer, the outer of filling layer is equipped with the inner sheath, the surface of inner sheath is equipped with a plurality of first annular, the outer of inner sheath is equipped with the steel tape armor, the outer of steel tape armor is equipped with the waterproof layer, the surface of waterproof layer is equipped with a plurality of second annular, the outer of waterproof layer is equipped with fire-resistant mica tape, the outer of fire-resistant mica tape is equipped with the oversheath.
The filling layer adopts a glass fiber filling layer.
The inner sheath and the outer sheath adopt low-smoke halogen-free polyolefin sheaths.
The waterproof layer adopts a PE waterproof layer.
Compared with the prior art, the utility model has the beneficial effects that:
the fire-resistant mica tape and the waterproof layer are arranged in the structure, and the cable has fire resistance and moisture resistance and stable performance; the surfaces of the inner sheath and the waterproof layer in the structure are provided with annular grooves in the axial direction, so that the cable has good flexibility; the filling layer adopts a glass fiber filling layer, so that the flexibility of the cable is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the inner sheath according to the present utility model;
fig. 3 is a schematic structural view of a waterproof layer in the present utility model.
In the figure: 1. a filling layer; 2. a copper core; 3. an insulating layer; 4. an inner sheath; 5. a steel tape armor layer; 6. a waterproof layer; 7. a fire resistant mica tape; 8. an outer sheath; 9. a first ring groove; 10. and a second ring groove.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in figure 1 of the accompanying drawings, the soft dampproof fireproof track traffic cable comprises a wire core unit, wherein the wire core unit comprises a copper core 2 and an insulating layer 3 arranged outside the copper core unit, a filling layer 1 is arranged on the outer layer of the wire core unit, an inner sheath 4 is arranged on the outer layer of the filling layer 1, a plurality of first annular grooves 9 are arranged on the surface of the inner sheath 4, a steel tape armor layer 5 is arranged on the outer layer of the inner sheath 4, a waterproof layer 6 is arranged on the outer layer of the steel tape armor layer 5, a plurality of second annular grooves 10 are arranged on the surface of the waterproof layer 6, a fireproof mica tape 7 is arranged on the outer layer of the waterproof layer 6, and an outer sheath 8 is arranged on the outer layer of the fireproof mica tape 7.
The filling layer 1 is a glass fiber filling layer.
The inner sheath 4 and the outer sheath 8 adopt low-smoke halogen-free polyolefin sheaths.
The waterproof layer 6 adopts a PE waterproof layer.
Example 1
The utility model provides a soft dampproofing fire prevention track traffic cable, includes the sinle silk unit, the sinle silk unit includes copper core 2 and sets up at its outside insulating layer 3, the skin of sinle silk unit is equipped with filling layer 1, filling layer 1 adopts the glass fiber filling layer, the skin of filling layer 1 is equipped with inner sheath 4, the surface of inner sheath 4 is equipped with a plurality of first annular 9, the skin of inner sheath 4 is equipped with steel tape armor 5, the skin of steel tape armor 5 is equipped with waterproof layer 6, the surface of waterproof layer 6 is equipped with a plurality of second annular 10, the skin of waterproof layer 6 is equipped with fire-resistant mica tape 7, the skin of fire-resistant mica tape 7 is equipped with oversheath 8. The inner sheath 4 and the outer sheath 8 adopt low smoke zero halogen polyolefin sheaths, and the waterproof layer 6 adopts a PE waterproof layer.
In the embodiment, the fire-resistant mica tape 7 and the waterproof layer 6 are arranged in the structure, and the cable has fire resistance and moisture resistance and stable performance; the surfaces of the inner sheath 4 and the waterproof layer 6 in the structure are provided with annular grooves in the axial direction, so that the cable has good flexibility; the filling layer 1 adopts a glass fiber filling layer, so that the flexibility of the cable is improved.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, but rather the equivalent variations and modifications in shape, construction, characteristics and spirit according to the scope of the claims should be construed to be included in the scope of the claims.
Claims (4)
1. A soft dampproofing fire prevention track traffic cable, its characterized in that: including the sinle silk unit, the sinle silk unit includes copper core (2) and sets up insulating layer (3) in its outside, the skin of sinle silk unit is equipped with filling layer (1), the skin of filling layer (1) is equipped with inner sheath (4), the surface of inner sheath (4) is equipped with a plurality of first annular (9), the skin of inner sheath (4) is equipped with steel tape armor (5), the skin of steel tape armor (5) is equipped with waterproof layer (6), the surface of waterproof layer (6) is equipped with a plurality of second annular (10), the skin of waterproof layer (6) is equipped with fire-resistant mica tape (7), the skin of fire-resistant mica tape (7) is equipped with oversheath (8).
2. A flexible moisture and fire resistant rail transit cable as claimed in claim 1, wherein: the filling layer (1) is a glass fiber filling layer.
3. A flexible moisture and fire resistant rail transit cable as claimed in claim 1, wherein: the inner sheath (4) and the outer sheath (8) adopt low-smoke halogen-free polyolefin sheaths.
4. A flexible moisture and fire resistant rail transit cable as claimed in claim 1, wherein: the waterproof layer (6) adopts a PE waterproof layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216456.6U CN219716530U (en) | 2023-02-14 | 2023-02-14 | Soft dampproofing fire prevention track traffic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216456.6U CN219716530U (en) | 2023-02-14 | 2023-02-14 | Soft dampproofing fire prevention track traffic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716530U true CN219716530U (en) | 2023-09-19 |
Family
ID=88001317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320216456.6U Active CN219716530U (en) | 2023-02-14 | 2023-02-14 | Soft dampproofing fire prevention track traffic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716530U (en) |
-
2023
- 2023-02-14 CN CN202320216456.6U patent/CN219716530U/en active Active
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