CN113488274A - Flexible fireproof cable - Google Patents
Flexible fireproof cable Download PDFInfo
- Publication number
- CN113488274A CN113488274A CN202110660062.5A CN202110660062A CN113488274A CN 113488274 A CN113488274 A CN 113488274A CN 202110660062 A CN202110660062 A CN 202110660062A CN 113488274 A CN113488274 A CN 113488274A
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- Prior art keywords
- strip
- fire
- cable core
- cable
- flame
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Links
- 239000003063 flame retardant Substances 0.000 claims abstract description 85
- 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 claims abstract description 53
- 238000005192 partition Methods 0.000 claims abstract description 50
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000009970 fire resistant effect Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 229920001875 Ebonite Polymers 0.000 claims 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims 4
- 239000005995 Aluminium silicate Substances 0.000 claims 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims 1
- 229910000323 aluminium silicate Inorganic materials 0.000 claims 1
- 235000012211 aluminium silicate Nutrition 0.000 claims 1
- 239000010445 mica Substances 0.000 claims 1
- 229910052618 mica group Inorganic materials 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 239000000872 buffer Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
Abstract
The invention discloses a flexible fireproof cable, which belongs to the technical field of cables, wherein an inner sheath is formed by splicing and combining a plurality of strip-shaped flexible rubber blocks in a fan-ring structure, each strip-shaped flexible rubber block is correspondingly provided with a cable core bundle, an elastic flame-retardant partition plate is arranged at the radial connecting position of every two adjacent strip-shaped flexible rubber blocks, the radial side wall of each strip-shaped flexible rubber block is tightly attached to the side wall of the corresponding flame-retardant partition plate, all the flame-retardant partition plates are intersected and fixed on the center of a circle of the outer sheath, a fireproof layer is sleeved on the inner sheath, and the inner ring of the fireproof layer is connected with the flame-retardant partition plates through a limiting mechanism. In the invention, a fireproof area capable of coating a single cable core bundle is formed between every two adjacent flame-retardant partition plates and the fireproof layer, so that when a certain cable core bundle in the cable is in a fire disaster, the cable core bundle in the fire disaster can be separated from other cable core bundles through the fireproof area, and the protection of other cable core bundles is realized.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a flexible fireproof cable.
Background
The cable is an insulated conductor formed by arranging one or more mutually insulated conductive cores in a sealed sheath, a protective covering layer can be added outside the insulated conductor for transmitting, distributing electric energy or transmitting electric signals, the cable has the characteristics of internal electrification and external insulation, the cable is various in types, and different cables are applied to different fields.
The cable of present majority all is located same appearance intracavity owing to its inside a plurality of cable core bundles, lead to certain cable core bundle when taking place the short circuit and locally take place the conflagration, the intensity of a fire can lead to the fact the damage to the cable core bundle in other positions, make the cable appear destruction by a large scale, increase the cost of maintenance of cable, and because present majority cable can not be when having good fire resistance, still have good buffer performance, lead to the cable in the in-process of using, be squeezed the deformation easily, and make the inside wire of cable appear the fracture easily, the phenomenon of disconnection, influence the life of wire.
Disclosure of Invention
1. Technical problem to be solved
The present invention has been made to solve the above-mentioned problems occurring in the background art, and an object of the present invention is to provide a flexible fire-resistant cable.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a fire prevention type cable with flexibility, includes the inner sheath, the inside equidistant of inner sheath is equipped with the cable core bundle, and the inner sheath sheathe in and is equipped with the oversheath of being made by the polyethylene material, the cable core bundle includes wire, the insulating layer of cladding on the peripheral border of wire, the inner sheath is formed by a plurality of bar flexible rubber blocks concatenation combinations that are fan ring column structure, and every bar flexible rubber block all corresponds cable core bundle of installation, all is equipped with one on every two adjacent bar flexible rubber block radial connected positions and has elastic fire-retardant division board, and every bar flexible rubber block radial ascending lateral wall all with the inseparable laminating of lateral wall of corresponding fire-retardant division board, on all fire-retardant division boards all intersect and are fixed in the centre of circle, the inner sheath sheathes in is equipped with the flame retardant coating, and the inner circle of flame retardant coating passes through stop gear and is connected with fire-retardant division board.
Preferably, the flame-retardant separation plate is made of filament ultra-light aluminum silicate fibers.
Preferably, the fireproof layer is a cloud machine mother belt layer.
Furthermore, each strip-shaped soft rubber block is provided with a strip-shaped mounting groove for mounting a corresponding cable core bundle, annular containing cavities coaxial with the cable core bundles are arranged on each strip-shaped soft rubber block in the length direction at equal intervals, flame retardant materials are filled in each annular containing cavity, and a protective sleeve capable of coating the cable core bundles is formed between the inner ring of each annular containing cavity and the inner ring of each strip-shaped soft rubber block.
Furthermore, the distance between every two adjacent annular cavities is less than 5 mm.
Preferably, the flame retardant material is a powdery inorganic fireproof blocking material.
Preferably, the limiting mechanism comprises strip-shaped limiting grooves which are arranged on the inner ring of the fireproof layer at equal intervals and correspond to the flame-retardant partition plates one to one, each flame-retardant partition plate is inserted into the corresponding strip-shaped limiting groove, and the end part of each flame-retardant partition plate is fixedly connected with the inner wall of the corresponding strip-shaped limiting groove through adhesion.
Preferably, the strip-shaped soft rubber block is made of a rubber material.
Furthermore, inner teeth and outer teeth are arranged on the outer ring of the inner ring of each strip-shaped soft rubber block at equal intervals.
Further, each strip-shaped soft rubber block is symmetrically provided with two steel wire ropes, and each strip-shaped soft rubber block is provided with a strip-shaped mounting hole for mounting the steel wire ropes.
3. Advantageous effects
1. The invention can separate a plurality of cable core bundles through the flame-retardant partition board, and the connection of the flame-retardant partition board and the fireproof layer forms a fireproof area which can coat a single cable core bundle between every two adjacent flame-retardant partition boards and the fireproof layer, so that when a certain cable core bundle in the cable is in fire, the cable core bundle in fire can be separated from other cable core bundles through the fireproof area, so as to realize the protection of other cable core bundles, thereby reducing the required cost of the cable in maintenance, and the cable core bundles are separated through the flame-retardant partition board respectively, thereby being convenient for the staff to independently maintain each cable core bundle in later period, in addition, the cable can buffer the cable core bundle in the cable through the deformation generated by the flame-retardant partition board and the strip-shaped flexible rubber block when being extruded or bent, so as to realize the protection of the cable core bundle;
in conclusion, the cable can not only perform independent fireproof protection on each cable core bundle to reduce the maintenance cost of the cable, but also perform buffering protection on the cable core bundles under stress, and is convenient for people to maintain the damaged cable core bundles in the later period.
2. According to the invention, when a certain cable core bundle is in short circuit and a local part of the cable core bundle is in fire, the fire can burn the protective sleeve coated on the cable core bundle, and at the moment, the annular cavity positioned on the fire area can be burned, so that the flame retardant material filled in the annular cavity can cover the flame, thereby extinguishing the local flame and reducing the fire.
3. According to the invention, the distance between every two adjacent annular cavities is less than 5mm, so that the flame retardant material filled in the annular cavities can perform fire retardant protection on the cable core bundle relatively comprehensively.
4. According to the invention, the flame-retardant partition plate can be limited during connection through the plug-in connection between the flame-retardant partition plate and the fireproof layer, and the end part of the flame-retardant partition plate is connected with the inner wall of the strip-shaped limiting groove in a sticking manner, so that after the flame-retardant partition plate is deformed, the flame-retardant partition plate can be guided to reset through the sticking connection between the flame-retardant partition plate and the strip-shaped limiting groove, and the phenomenon that the flame-retardant partition plate and the fireproof layer are dislocated in the circumferential direction to cause twisting of a cable core bundle inside a cable, thereby causing deformation of a lead inside the cable core bundle and influencing the service life of the lead is avoided.
5. When the cable is extruded or bent, the buffering effect of the strip-shaped soft rubber block under stress can be enhanced by the mutual approaching or separating of the teeth on the inner ring and the outer ring of the strip-shaped soft rubber block in the fan-ring structure, the strength of the cable can be enhanced by the steel wire rope, and meanwhile, certain buffering protection can be performed on the stressed cable by the flexibility of the steel wire rope.
Drawings
FIG. 1 is a schematic front view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of the connection of the inner jacket to the fire retardant separator plate;
FIG. 3 is a schematic side view of the interior of the strip-shaped soft rubber block;
fig. 4 is a front view of the internal structure of the strip-shaped soft rubber block.
Reference numerals: 1. an inner sheath; 2. a cable core bundle; 3. an outer sheath; 4. a fire barrier layer; 5. a strip-shaped soft rubber block; 6. a strip-shaped mounting groove; 7. an annular cavity; 8. a flame retardant material; 9. a wire rope; 10. a strip-shaped mounting hole; 11. external teeth; 12. a protective sleeve; 13. a strip-shaped limiting groove; 14. a flame-retardant partition plate; 15. and an internal tooth.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
As shown in figures 1 and 2, the flexible fireproof cable comprises an inner sheath 1, cable core bundles 2 are arranged inside the inner sheath 1 at equal intervals, an outer sheath 3 made of polyethylene material is sleeved on the inner sheath 1, each cable core bundle 2 comprises a lead and an insulating layer coated on the periphery of the lead, the inner sheath 1 is formed by splicing and combining a plurality of strip-shaped soft rubber blocks 5 in a fan-ring structure, each strip-shaped soft rubber block 5 is correspondingly provided with one cable core bundle 2, each strip-shaped soft rubber block 5 is made of rubber material, an elastic flame-retardant partition plate 14 is arranged at the radial connection position of every two adjacent strip-shaped soft rubber blocks 5, the radial side wall of each strip-shaped soft rubber block 5 is tightly attached to the side wall of the corresponding flame-retardant partition plate 14, each flame-retardant partition plate 14 is made of filament ultra-light aluminum silicate fiber, and has stable performance through the filament ultra-light aluminum silicate fiber, the cable has the advantages of long fiber length, high tensile strength, strong anti-seismic performance, few slag balls, light volume weight, low heat conductivity coefficient and good heat insulation performance, ensures that the flame-retardant partition plates 14 have good flame-retardant effect and certain flexibility so as to enhance the compressive performance of the cable, all the flame-retardant partition plates 14 are intersected and fixed on the center of the outer sheath 3, the inner sheath 1 is sleeved with the fireproof layer 4, the inner ring of the fireproof layer 4 is connected with the flame-retardant partition plates 14 through the limiting mechanism, the fireproof layer 4 is a cloud machine mother tape layer, the cloud machine mother tape has fireproof performance, the cable core bundles 2 at the inner side of the fireproof layer 4 are subjected to fireproof protection, the plurality of cable core bundles 2 can be respectively separated through the flame-retardant partition plates 14, and through the connection of the flame-retardant partition plates 14 and the fireproof layer 4, a fireproof area capable of coating the single cable core bundle 2 is formed between every two adjacent flame-retardant partition plates 14 and the fireproof layer 4, so that when a certain cable core bundle 2 in the cable is in fire, the cable core bundle 2 in fire can be separated from other cable core bundles 2 through the fireproof area to realize the protection of other cable core bundles 2, thereby reducing the required cost of the cable during maintenance, and the cable core bundles 2 are respectively separated by the flame-retardant separation plate 14, which is convenient for the later-stage individual maintenance of each cable core bundle 2 by the staff, in addition, due to the elasticity of the flame-retardant partition plate 14 and the strip-shaped soft rubber block 5, the cable can buffer the cable core bundle 2 in the cable through the deformation generated by the flame-retardant partition plate 14 and the strip-shaped soft rubber block when being extruded or bent, so that the protection of the cable core bundle 2 is realized, and the cable can be obtained in a comprehensive manner, the cable not only can carry out independent fire protection on each cable core bundle 2, but also can buffer and protect the cable core bundles 2 when stressed, and is convenient for people to maintain the damaged cable core bundles 2 in later period.
As shown in fig. 2, 3 and 4, each strip-shaped soft rubber block 5 is provided with a strip-shaped mounting groove 6 for mounting a corresponding cable core bundle 2, each strip-shaped soft rubber block 5 is provided with annular accommodating chambers 7 coaxial with the cable core bundle 2 at equal intervals in the length direction, the interior of each annular accommodating chamber 7 is filled with a flame retardant material 8, the flame retardant material 8 is a powdery inorganic fireproof blocking material, a protective sleeve 12 capable of coating the cable core bundle 2 is formed between the inner ring of each annular accommodating chamber 7 and the inner ring of each strip-shaped soft rubber block 5, when a short circuit occurs in a certain cable core bundle 2 and a local fire of the cable core bundle 2 occurs, the protective sleeve 12 coated on the cable core bundle 2 is burnt by fire, the annular accommodating chamber 7 located in a fire area is burnt at the moment, so that the flame retardant material 8 filled in the annular accommodating chamber 7 covers a fire to realize local fire extinguishing, reduce the intensity of a fire, the annular holds the setting of the equidistant distribution of chamber 7 in bar flexible rubber piece 5 length direction in addition, the annular holds chamber 7 promptly is the inside of establishing at bar flexible rubber piece 5 of compartment, this kind of setting makes the inside fire-retardant material 8 of annular chamber 7 when the section is got in the cable is cut, can not cause a large amount of fire-retardant material 8's hourglass, with this make fire-retardant material 8 can be local carry out effectual back-fire relief protection to cable core bundle 2, still can reduce the influence that the setting of itself caused the cable when cutting, the distance that every two adjacent annular held between the chamber 7 is less than 5mm, the distance is less than 5 mm's setting between every two adjacent annular holds chamber 7, make pack the inside fire-retardant material 8 of annular chamber 7 can be comparatively comprehensive carry out the back-fire relief protection to cable core bundle 2.
As shown in fig. 1, the limiting mechanism includes strip-shaped limiting grooves 13 which are equidistantly arranged on the inner ring of the fire-retardant layer 4 and correspond to the fire-retardant partition plates 14 one by one, and each fire-retardant partition plate 14 is inserted into the corresponding strip-shaped limiting groove 13, and the end of each fire-retardant partition plate 14 is fixedly connected with the inner wall of the corresponding strip-shaped limiting groove 13 by adhesion, and through the insertion connection between the fire-retardant partition plate 14 and the fire-retardant layer 4, the fire-retardant partition plate 14 can be limited when connected, and through the adhesion connection between the end of the fire-retardant partition plate 14 and the inner wall of the strip-shaped limiting groove 13, after the fire-retardant partition plate 14 is deformed, the deformation of the conductor inside the cable core bundle 2 can be avoided by the adhesion connection between the fire-retardant partition plate 14 and the strip-shaped limiting groove 13, so as to help the fire-retardant partition plate 14 to be guided to reset, thereby avoiding the dislocation of the fire-retardant partition plate 14 and the fire-retardant layer 4 in the circumferential direction, which leads to the cable core bundle 2 to be twisted, affecting the service life of the wire.
As shown in fig. 2 and 4, the inner ring and the outer ring of each strip-shaped soft rubber block 5 are provided with the inner teeth 15 and the outer teeth 11 at equal intervals, and when the cable is extruded or bent, the inner ring and the outer ring of each strip-shaped soft rubber block 5 with a fan-shaped ring structure can be close to or far away from each other to enhance the buffering effect of the strip-shaped soft rubber block 5 under stress.
As shown in fig. 1 and 4, two steel wire ropes 9 are symmetrically arranged on each strip-shaped soft rubber block 5, a strip-shaped mounting hole 10 for mounting the steel wire ropes 9 is formed in each strip-shaped soft rubber block 5, the strength of the cable can be enhanced through the steel wire ropes 9, and certain buffering protection can be performed on the stressed cable through the flexibility of the steel wire ropes 9.
The specific application process of the flexible fireproof cable is as follows: when in use, when a short circuit occurs in a certain cable core bundle 2 and a local fire disaster occurs in the cable core bundle 2, the fire can burn the protective sleeve 12 coated on the cable core bundle 2, at the moment, the annular cavity 7 positioned in the fire disaster area can be burnt, so that the flame-retardant material 8 filled in the annular cavity 7 can cover the flame to extinguish the local flame and reduce the fire, at the same time, the plurality of cable core bundles 2 can be separated by the flame-retardant separation plates 14, and the fire-retardant partition plates 14 are connected with the fire-retardant layer 4, so that a fire-retardant area capable of coating a single cable core bundle 2 is formed between every two adjacent fire-retardant partition plates 14 and the fire-retardant layer 4, when a fire disaster happens to one cable core bundle 2 in the cable, the cable core bundle 2 in fire can be separated from other cable core bundles 2 through the fireproof area, so that the other cable core bundles 2 can be protected;
when the cable is extruded or bent, the cable is extruded or bent through the flame-retardant partition plate 14 and the elasticity of the strip-shaped soft rubber block 5, so that the cable can buffer the cable core bundle 2 inside the cable through the deformation generated by the two when the cable is extruded or bent, the protection of the cable core bundle 2 is realized, when the strip-shaped soft rubber block 5 deforms, the teeth on the inner ring and the outer ring of the strip-shaped soft rubber block 5 in a fan-ring structure can be close to or far away from each other, so that the buffering effect of the strip-shaped soft rubber block 5 when stressed is enhanced, in addition, when the cable is extruded or bent, the strength of the cable can be enhanced through the steel wire rope 9, meanwhile, certain buffering protection can be performed on the stressed cable through the flexibility of the steel wire rope 9, and the use process of the flexible fireproof cable is completed.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a fire prevention type cable with flexibility, includes inner sheath (1), the inside equidistant cable core bundle (2) that is equipped with of inner sheath (1), and the cover is equipped with oversheath (3) of being made by the polyethylene material on inner sheath (1), cable core bundle (2) include the wire, the insulating layer of cladding on the peripheral border of wire, its characterized in that, inner sheath (1) is formed by a plurality of bar ebonite piece (5) concatenation combinations that are fan-ring structure, and every bar ebonite piece (5) all corresponds installation cable core bundle (2), all is equipped with one on every two adjacent bar ebonite piece (5) radial connection's the position and has elastic fire-retardant division board (14), and every bar ebonite piece (5) radial ascending lateral wall all with the inseparable laminating of the lateral wall of corresponding fire-retardant division board (14), all fire-retardant division boards (14) are crossing and are fixed in on the centre of circle of oversheath (3), the fireproof layer (4) is sleeved on the inner sheath (1), and the inner ring of the fireproof layer (4) is connected with the flame-retardant partition plate (14) through a limiting mechanism.
2. A flexible fire-resistant cable according to claim 1, characterised in that said fire-resistant partition (14) is made of filament ultra-light aluminium silicate fibres.
3. A flexible fire-resistant cable according to claim 1, wherein the fire-resistant layer (4) is a mica tape layer.
4. The flexible fireproof cable according to claim 1, wherein each strip-shaped flexible rubber block (5) is provided with a strip-shaped mounting groove (6) for mounting a corresponding cable core bundle (2), each strip-shaped flexible rubber block (5) is provided with an annular accommodating cavity (7) coaxial with the cable core bundle (2) at equal intervals in the length direction, the interior of each annular accommodating cavity (7) is filled with a flame retardant material (8), and a protective sleeve (12) capable of coating the cable core bundle (2) is formed between the inner ring of each annular accommodating cavity (7) and the inner ring of each strip-shaped flexible rubber block (5).
5. A flexible fire-resistant cable according to claim 4, wherein the distance between each two adjacent annular cavities (7) is less than 5 mm.
6. A flexible fire-protected cable according to claim 1, wherein said fire-retardant material (8) is an inorganic fire-blocking material in powder form.
7. The flexible fireproof cable according to claim 1, wherein the limiting mechanism comprises strip-shaped limiting grooves (13) which are arranged on the inner circle of the fireproof layer (4) at equal intervals and correspond to the flame-retardant partition plates (14) in a one-to-one manner, each flame-retardant partition plate (14) is inserted into the corresponding strip-shaped limiting groove (13), and the end of each flame-retardant partition plate (14) is fixedly connected with the inner wall of the corresponding strip-shaped limiting groove (13) through adhesion.
8. A flexible fire-resistant cable according to claim 1, wherein the strip-shaped rubber block (5) is made of rubber material.
9. A flexible fire-resistant cable according to claim 1, wherein the inner ring and the outer ring of each strip-shaped soft rubber block (5) are provided with inner teeth (15) and outer teeth (11) at equal intervals.
10. The flexible fireproof cable according to claim 1, wherein two steel cables (9) are symmetrically arranged on each strip-shaped flexible rubber block (5), and each strip-shaped flexible rubber block (5) is provided with a strip-shaped mounting hole (10) for mounting the steel cable (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660062.5A CN113488274A (en) | 2021-06-15 | 2021-06-15 | Flexible fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660062.5A CN113488274A (en) | 2021-06-15 | 2021-06-15 | Flexible fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113488274A true CN113488274A (en) | 2021-10-08 |
Family
ID=77935258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110660062.5A Pending CN113488274A (en) | 2021-06-15 | 2021-06-15 | Flexible fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113488274A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530286A (en) * | 2022-03-01 | 2022-05-24 | 安徽四惠电缆有限公司 | Composite fireproof cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070831A1 (en) * | 1999-12-24 | 2003-04-17 | Hudson Martin Frederick Arthur | Communications cable |
| CN205621469U (en) * | 2016-05-24 | 2016-10-05 | 哈尔滨理工大学 | Polymer insulating material cable |
| CN213070718U (en) * | 2020-08-17 | 2021-04-27 | 天津浩瑞光电科技有限公司 | Super six types of network cables of resistance to compression with skeleton |
| CN213070702U (en) * | 2020-09-10 | 2021-04-27 | 凯仕勒光电智能科技(江苏)有限公司 | Flame-retardant multi-core cable |
-
2021
- 2021-06-15 CN CN202110660062.5A patent/CN113488274A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070831A1 (en) * | 1999-12-24 | 2003-04-17 | Hudson Martin Frederick Arthur | Communications cable |
| CN205621469U (en) * | 2016-05-24 | 2016-10-05 | 哈尔滨理工大学 | Polymer insulating material cable |
| CN213070718U (en) * | 2020-08-17 | 2021-04-27 | 天津浩瑞光电科技有限公司 | Super six types of network cables of resistance to compression with skeleton |
| CN213070702U (en) * | 2020-09-10 | 2021-04-27 | 凯仕勒光电智能科技(江苏)有限公司 | Flame-retardant multi-core cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530286A (en) * | 2022-03-01 | 2022-05-24 | 安徽四惠电缆有限公司 | Composite fireproof cable |
| CN114530286B (en) * | 2022-03-01 | 2024-03-19 | 安徽四惠电缆有限公司 | Composite fireproof cable |
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Application publication date: 20211008 |