CN216362058U - Fireproof and flame-retardant cable for subway - Google Patents
Fireproof and flame-retardant cable for subway Download PDFInfo
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- CN216362058U CN216362058U CN202122790683.3U CN202122790683U CN216362058U CN 216362058 U CN216362058 U CN 216362058U CN 202122790683 U CN202122790683 U CN 202122790683U CN 216362058 U CN216362058 U CN 216362058U
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- Prior art keywords
- layer
- cable
- retardant
- flame
- subway
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 38
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000005253 cladding Methods 0.000 claims abstract description 38
- 239000010425 asbestos Substances 0.000 claims abstract description 12
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 12
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 9
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims abstract description 9
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims abstract description 9
- 235000009120 camo Nutrition 0.000 claims abstract description 9
- 235000005607 chanvre indien Nutrition 0.000 claims abstract description 9
- 239000011487 hemp Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 141
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 10
- 229920006327 polystyrene foam Polymers 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000009422 external insulation Methods 0.000 claims description 6
- 238000009421 internal insulation Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011491 glass wool Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a fireproof and flame-retardant subway cable which comprises a cable core, wherein a cable outer cladding layer is coated on the outer surface of the cable core, a hemp rope layer is coated on the outer surface of the cable outer cladding layer, an inner insulating layer is coated on the outer surface of the hemp rope layer, an asbestos layer is coated on the outer surface of the inner insulating layer, an outer insulating layer is coated on the outer surface of the asbestos layer, a flame-retardant layer is coated on the outer insulating layer, a cold-resistant layer is coated on the outer surface of the flame-retardant layer, and a reinforcing layer is coated on the outer surface of the cold-resistant layer. According to the fireproof and flame-retardant cable for the subway, the flame-retardant layer is arranged, and the first heat-insulating layer, the second heat-insulating layer and the fireproof sleeve are matched with the inner insulating layer, the asbestos layer and the outer insulating layer, so that the problems that the conventional subway cable is poor in flame-retardant effect, the cable is easy to burn and break in a high-temperature environment or in a fire disaster, the subway breaks down, and the normal operation of the subway is influenced are solved.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a fireproof and flame-retardant cable for a subway.
Background
Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. Installation requires special care since the cable is live. Along with the rapid development of economy in China, the urban modernization process is obviously accelerated, subways gradually appear in large and medium-sized cities, in recent years, fire disasters cause great loss of lives and properties of people, people have deeper understanding on fire prevention safety, the requirements on electric wires and cables used in important occasions are higher and higher, but the existing cables for subways have the following defects: 1. most of the existing cables for the subway have poor flame-retardant and fireproof effects, and have great potential safety hazards in the using process, so that the cables are easy to burn and break in a high-temperature environment or in a fire disaster, the subway breaks down, and the normal operation of the subway is influenced; 2. at present, a cable for a subway is easily damaged by external force of human factors, and water easily enters the cable from a damaged position to cause the electrical property of the cable to be reduced. Therefore, a fireproof and flame-retardant cable for subways is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a fireproof and flame-retardant cable for a subway, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a fire-retardant cable for subway of preventing fires, includes the sinle silk, sinle silk surface cladding has the cable surrounding layer, cable surrounding layer surface cladding has the rope made of hemp layer, rope made of hemp layer surface cladding has the internal insulation layer, the external surface cladding of internal insulation layer has the asbestos layer, asbestos layer surface cladding has the external insulation layer, the external insulation layer cladding has fire-retardant layer, fire-retardant layer surface cladding has cold-resistant layer, cold-resistant layer surface cladding has the enhancement layer.
Preferably, the material of the inner insulating layer and the material of the outer insulating layer are both made of chloroprene rubber.
Preferably, the flame-retardant layer comprises a first heat-insulating layer, an adhesive layer is bonded to the outer surface of the first heat-insulating layer, a second heat-insulating layer is bonded to the outer surface of the adhesive layer, a fireproof sleeve is wrapped on the outer surface of the second heat-insulating layer, and the inner wall surface of the first heat-insulating layer is wrapped on the outer surface of the outer heat-insulating layer.
Preferably, the first heat insulation layer and the second heat insulation layer are both made of ceramic silicon rubber.
Preferably, the cold-resistant layer includes interior lag, interior lag surface cladding has the foam layer, the cotton layer of glass of foam layer surface cladding, the cotton layer surface cladding of glass has outer lag, the internal face cladding of interior lag has at the telescopic surface of fire prevention.
Preferably, the enhancement layer includes the steel wire armor, the steel wire armor surface cladding has the polystyrene foam buffer layer, the outer surface cladding of polystyrene foam buffer layer has the nylon cover, the internal face cladding of steel wire armor is at the surface of outer lag.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the flame-retardant layer, the first heat-insulating layer, the second heat-insulating layer and the fireproof sleeve are matched with the inner insulating layer, the asbestos layer and the outer insulating layer, so that the problems that the conventional subway cable is poor in flame-retardant effect, the cable is easy to burn and break in a high-temperature environment or in a fire disaster, the subway breaks down and the normal operation of the subway is influenced are solved;
2. through setting up the enhancement layer, steel wire armor wherein makes the inside sinle silk protected, has the tensile function of anti-pressure, can prevent effects such as mouse bite worm-eaten, and the styrene foam inner wall bubble in the polystyrene foam buffer layer is the closure form, and each other does not communicate with each other, and the water absorption rate is little, and freezing resistance is good, has guaranteed still to have good heat-proof quality under the condition of soaking.
Drawings
FIG. 1 is an overall layered view of a fireproof and flame-retardant cable for a subway of the present invention;
FIG. 2 is a layered view of a flame retardant layer of a cable for a subway of the present invention;
FIG. 3 is a layered diagram of the cold-resistant layer of the fireproof and flame-retardant cable for subway of the present invention;
fig. 4 is a layered view of a reinforcing layer of a cable for a subway of the present invention, which is fireproof and flame retardant.
In the figure: 1. a wire core; 2. a cable jacket; 3. a hemp rope layer; 4. an inner insulating layer; 5. an asbestos layer; 6. an outer insulating layer; 7. a flame retardant layer; 8. a cold-resistant layer; 9. a reinforcing layer; 71. a first insulating layer; 72. an adhesive layer; 73. a second thermal insulation layer; 74. a fire-resistant sleeve; 81. an inner protective sleeve; 82. a foam plastic layer; 83. a glass wool layer; 84. an outer protective sleeve; 91. a steel wire armor layer; 92. a polystyrene foam buffer layer; 93. a nylon sleeve.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, a fire-retardant subway cable prevents fires, including sinle silk 1, sinle silk 1 surface cladding has cable surrounding layer 2, cable surrounding layer 2 surface cladding has hemp layer 3, 3 surface claddings on hemp layer have internal insulation layer 4, 4 surface claddings on internal insulation layer have asbestos layer 5, 5 surface claddings on asbestos layer have external insulation layer 6, 6 claddings on external insulation layer have fire- retardant layer 7, 7 surface claddings on fire-retardant layer have cold- resistant layer 8, 8 surface claddings on cold-resistant layer have enhancement layer 9.
The material of the inner insulating layer 4 and the material of the outer insulating layer 6 are both made of chloroprene rubber; the flame-retardant layer 7 comprises a first heat-insulating layer 71, an adhesive layer 72 is adhered to the outer surface of the first heat-insulating layer 71, a second heat-insulating layer 73 is adhered to the outer surface of the adhesive layer 72, a fireproof sleeve 74 is wrapped on the outer surface of the second heat-insulating layer 73, and the inner wall surface of the first heat-insulating layer 71 is wrapped on the outer surface of the outer insulating layer 6; the material of the first heat insulation layer 71 and the material of the second heat insulation layer 73 are both ceramic silicon rubber; the cold-resistant layer 8 comprises an inner protective sleeve 81, the outer surface of the inner protective sleeve 81 is coated with a foam plastic layer 82, the outer surface of the foam plastic layer 82 is coated with a glass wool layer 83, the outer surface of the glass wool layer 83 is coated with an outer protective sleeve 84, and the inner wall surface of the inner protective sleeve 81 is coated with the outer surface of the fireproof sleeve 74; the reinforcing layer 9 comprises a steel wire armor layer 91, the outer surface of the steel wire armor layer 91 is coated with a polystyrene foam buffer layer 92, the outer surface of the polystyrene foam buffer layer 92 is coated with a nylon sleeve 93, and the inner wall surface of the steel wire armor layer 91 is coated on the outer surface of the outer protective sleeve 84.
It should be noted that, the utility model is a fire-proof and flame-retardant cable for subway, when in use, the first heat-insulating layer 71, the second heat-insulating layer 73 and the fire-proof sleeve 74 are matched with the inner insulating layer 4, the asbestos layer 5 and the outer insulating layer 6, so as to solve the problem that most of the traditional subway cables have poor flame-retardant effect, so that the cable is easy to burn and break in high-temperature environment or fire, thereby causing the subway to break and affecting the normal operation of the subway, the steel wire armor layer 91 protects the inner core 1, has the functions of resisting strong pressure and stretching, preventing the damage of mouse and insect, and the like, the bubbles on the inner wall of the styrene foam in the polystyrene foam buffer layer 92 are closed and not communicated with each other, the water absorption rate is small, the freezing resistance is good, the cable still has good heat-insulating performance under the water immersion condition, the nylon sleeve 93 can improve the whole wear resistance of the cable, and avoid the problem of serious wear of the outer wall of the cable, use through the cooperation of outer lag 84 and interior lag 81, better plays the cladding effect to sinle silk 1, installs foam layer 82 and the cotton layer 83 of glass additional between outer lag 84 and interior lag 81 and can improve the cold-resistant frost-proof effect of conductor core 1 greatly, has effectually reduceed interior lag 81 fracture, has prolonged sinle silk 1's life under the environment that the environment is abominable.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a fire prevention fire-retardant cable for subway, includes sinle silk (1), its characterized in that: sinle silk (1) surface cladding has cable surrounding layer (2), cable surrounding layer (2) surface cladding has rope made of hemp layer (3), rope made of hemp layer (3) surface cladding has internal insulation layer (4), internal insulation layer (4) surface cladding has asbestos layer (5), asbestos layer (5) surface cladding has external insulation layer (6), external insulation layer (6) cladding has fire-retardant layer (7), fire-retardant layer (7) surface cladding has cold-resistant layer (8), cold-resistant layer (8) surface cladding has enhancement layer (9).
2. The cable for a fire-proof and flame-retardant subway of claim 1, wherein: the inner insulating layer (4) and the outer insulating layer (6) are both made of chloroprene rubber.
3. The cable for a fire-proof and flame-retardant subway of claim 1, wherein: the flame-retardant layer (7) comprises a first heat-insulating layer (71), an adhesive layer (72) is bonded on the outer surface of the first heat-insulating layer (71), a second heat-insulating layer (73) is bonded on the outer surface of the adhesive layer (72), a fireproof sleeve (74) is coated on the outer surface of the second heat-insulating layer (73), and the outer surface of the outer heat-insulating layer (6) is coated with the inner wall surface of the first heat-insulating layer (71).
4. The cable for a fire-proof and flame-retardant subway of claim 3, wherein: the first heat insulation layer (71) and the second heat insulation layer (73) are both made of ceramic silicon rubber.
5. The cable for a fire-proof and flame-retardant subway of claim 3, wherein: cold-resistant layer (8) are including interior lag (81), interior lag (81) surface cladding has foam plastic layer (82), foam plastic layer (82) surface cladding has cotton layer of glass (83), the cotton layer of glass (83) surface cladding has outer lag (84), the internal face cladding of interior lag (81) has the surface at fire prevention sleeve (74).
6. The cable for a fire-proof and flame-retardant subway of claim 5, wherein: the reinforced layer (9) comprises a steel wire armor layer (91), the outer surface of the steel wire armor layer (91) is coated with a polystyrene foam buffer layer (92), the outer surface of the polystyrene foam buffer layer (92) is coated with a nylon sleeve (93), and the outer surface of the outer protective sleeve (84) is coated with the inner wall surface of the steel wire armor layer (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122790683.3U CN216362058U (en) | 2021-11-15 | 2021-11-15 | Fireproof and flame-retardant cable for subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122790683.3U CN216362058U (en) | 2021-11-15 | 2021-11-15 | Fireproof and flame-retardant cable for subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216362058U true CN216362058U (en) | 2022-04-22 |
Family
ID=81190339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122790683.3U Expired - Fee Related CN216362058U (en) | 2021-11-15 | 2021-11-15 | Fireproof and flame-retardant cable for subway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216362058U (en) |
-
2021
- 2021-11-15 CN CN202122790683.3U patent/CN216362058U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220422 |