CN212032737U - Extruded insulation fire-resistant cable - Google Patents
Extruded insulation fire-resistant cable Download PDFInfo
- Publication number
- CN212032737U CN212032737U CN202021186060.4U CN202021186060U CN212032737U CN 212032737 U CN212032737 U CN 212032737U CN 202021186060 U CN202021186060 U CN 202021186060U CN 212032737 U CN212032737 U CN 212032737U
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- fire
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- resistant cable
- cable
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- 230000009970 fire resistant effect Effects 0.000 title claims description 21
- 238000009413 insulation Methods 0.000 title claims description 9
- 239000004020 conductor Substances 0.000 claims abstract description 37
- 239000003063 flame retardant Substances 0.000 claims abstract description 33
- 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 22
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000008187 granular material Substances 0.000 claims abstract description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 15
- 239000004945 silicone rubber Substances 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 230000001737 promoting effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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Abstract
The utility model discloses an insulating fire resisting cable of crowded package relates to cable technical field, and it includes the conductor and wraps up the shielding layer in the conductor outside, the conductor is provided with flexible flame retardant coating outward, the outer parcel of flexible flame retardant coating has fire-retardant layer, fire-retardant intussuseption is filled with the dry powder granule. The utility model discloses can not burn in helping the protection cable short time, reduce the advantage of the degree of difficulty that the fire fighter looked for the scene starting fire source afterwards.
Description
Technical Field
The utility model belongs to the technical field of the cable technique and specifically relates to an insulating fire resisting cable of crowded package is related to.
Background
The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.
The traditional Chinese patent with the publication number of CN206401052U discloses an environment-friendly composite shielded cable, which is characterized in that a wrapping layer, a first shielding layer, a second shielding layer, an inner liner layer, an armor layer and a sheath layer are sequentially wrapped from inside to outside on the outside of a cable core, the first shielding layer is formed by weaving metal wires, the second shielding layer is formed by wrapping a metal plastic composite belt, the armor layer is of a double-layer armor belt structure, and the armor belt is formed by weaving steel wires.
By adopting the scheme, under the condition of fire, the cable is burnt for a long time through big fire, the cable is burnt, the inner cable core is pinched together through high temperature, the difficulty of searching the site ignition source by a fireman after the fire is happened is increased, and the part to be improved exists.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims to provide an insulating fire resisting cable of crowded package through set up flexible flame retardant coating in the conductor outside and establish inside packing at flexible flame retardant coating and have the fire-retardant layer of dry powder granule, helps protecting cable can not burn in the short time, reduces the degree of difficulty that the conflagration afterwards firefighter looked for to the scene starting fire source.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an insulating fire resisting cable of crowded package, includes the conductor and wraps up the shielding layer in the conductor outside, the conductor is provided with flexible flame retardant coating outward, flexible flame retardant coating wraps up there is fire-retardant layer, fire-retardant in situ packing has the dry powder granule.
Through adopting above-mentioned technical scheme, in the application, the fire burns crowded package insulating fire resisting cable, and the intraformational dry powder granule of fire-retardant can form one deck vitreous overburden under the high temperature effect, blocks the burning of flame, and flexible flame retardant coating also can play the effect that blocks the burning, helps protecting cable not burn in the short time, reduces the degree of difficulty that the fire fighter looked for the scene source of a fire afterwards.
The utility model discloses further set up to: the flexible fireproof layer is arranged as a silicone rubber layer.
Through adopting above-mentioned technical scheme, carry out the guard action by the silastic-layer conductor, help guaranteeing to crowd the flexible of package insulating fire resisting cable and can play the effect of fire prevention simultaneously.
The utility model discloses further set up to: the shielding layer comprises a conductor shielding sleeve, an insulating shielding sleeve and a steel belt shielding sleeve which are sequentially sleeved on the outer side of the conductor.
By adopting the technical scheme, the conductor is shielded by the conductor shielding sleeve, the insulating shielding sleeve and the steel strip shielding sleeve, so that the stability of conductor transmission is ensured.
The utility model discloses further set up to: the flame-retardant layer comprises a wrapping belt, a flame-retardant layer, an inner sheath, an armor layer and an outer sheath which are sequentially sleeved outside the silicon rubber layer, and the dry powder particles are positioned in the outer sheath.
Through adopting above-mentioned technical scheme, through setting up fire-retardant layer into band, flame retardant coating, inner sheath, armor and oversheath, help promoting the fire prevention effect of crowded package insulating fire resisting cable.
The utility model discloses further set up to: the armor tape is an aluminum armor tape.
Through adopting above-mentioned technical scheme, play thermal-insulated effect by aluminium armour tape to the conductor inside, thereby help preventing that the external temperature is too high to influence the transmission of inner conductor.
The utility model discloses further set up to: the aluminum-clad belt is characterized in that clamping blocks are arranged on two sides of the axis of the aluminum-clad belt, a clamping groove is formed in the fire-resistant layer, and the clamping blocks are located in the clamping groove.
Through adopting above-mentioned technical scheme, inform joint piece and the mutual joint of joint groove, help preventing aluminium armour tape and flame retardant coating relative slip.
The utility model discloses further set up to: the armor layer is formed by weaving a plurality of steel sheets.
Through adopting above-mentioned technical scheme, the armor that forms is woven by a plurality of steel sheets helps promoting the fire prevention effect of crowded insulating fire resisting cable on the one hand, and on the other hand helps promoting crowded insulating fire resisting cable and bears axial tension's ability.
The utility model discloses further set up to: the armor layer is provided with protruding thorns, and the protruding thorns extend towards the outer sheath and the inner sheath respectively.
Through adopting above-mentioned technical scheme, fix outer sheath and inner sheath through protruding thorn on the armor, help preventing the relative slip between armor, oversheath and the inner sheath three.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the flexible fireproof layer is arranged on the outer side of the conductor, and the flame-retardant layer filled with the dry powder particles is sleeved outside the flexible fireproof layer, so that the cable can be protected from burning in a short time, and the difficulty of searching for a field ignition source by a fireman after a fire disaster is reduced;
(2) the clamping blocks are clamped with the clamping grooves mutually, and the protruding thorns on the armor layer help to ensure the stability of the extruded insulating fire-resistant cable;
(3) through the setting of aluminium armour tape and silastic layer, help promoting crowded insulating fire resisting cable's of package fireproof effect.
Drawings
Fig. 1 is a sectional view of the entire structure of the extruded insulation fire-resistant cable according to the present embodiment.
Reference numerals: 1. a conductor; 2. a shielding layer; 21. a conductor shield sleeve; 22. an insulating sleeve; 23. an insulating shielding sleeve; 24. a steel belt shielding sleeve; 3. a flexible fire barrier layer; 31. a silicone rubber layer; 4. a flame retardant layer; 41. wrapping belts; 411. aluminum armor tape; 412. a clamping block; 42. a refractory layer; 421. a clamping groove; 43. an inner sheath; 44. an armor layer; 441. convex thorns; 45. an outer sheath; 451. dry powder particles.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Example (b):
referring to fig. 1, an extruded insulation fire-resistant cable comprises a conductor 1 and a shielding layer 2 wrapped outside the conductor 1, preferably, the number of the conductors 1 is three, a silicone rubber layer 31 is arranged outside any one of the conductors 1, the silicone rubber layer 31 is arranged in a penetrating manner on any one of the conductors 1 wrapping the shielding layer 2, the silicone rubber layer 31 is arranged in a round barrel, the three conductors 1 wrapping the shielding layer 2 are uniformly arranged around the axis of the silicone rubber layer 31 at intervals, a flame-retardant layer 4 is wrapped outside the silicone rubber layer 31, and dry powder particles 451 are filled in the flame-retardant layer 4.
In the application, the staff penetrates the three conductors 1 wrapped with the shielding layers 2 into the silicone rubber layer 31 in sequence, then wraps the flame-retardant layer 4 filled with the dry powder particles 451 with the silicone rubber layer 31, and the extruded insulated fire-resistant cable is used after the wrapping is finished.
Referring to fig. 1, the shielding layer 2 includes a conductor shielding sleeve 21, an insulating sleeve 22, an insulating shielding sleeve 23 and a steel strip shielding sleeve 24 which are sequentially sleeved outside the conductor 1, and the axes of the conductor shielding sleeve 21, the insulating sleeve 22, the insulating shielding sleeve 23 and the steel strip shielding sleeve 24 are all overlapped. The flame-retardant layer 4 comprises a wrapping tape 41, a flame-retardant layer 42, an inner sheath 43, an armor layer 44 and an outer sheath 45 which are sequentially sleeved outside the silicone rubber layer 31, the axes of the wrapping tape 41, the flame-retardant layer 42, the inner sheath 43, the armor layer 44 and the outer sheath 45 are all overlapped, and a plurality of dry powder particles 451 are uniformly arranged around the axis of the outer sheath 45 at intervals. The belting 41 sets up to aluminium belting 411 belting 41, and the both sides of aluminium belting 411 belting 41 axis are provided with joint piece 412 respectively, and the corresponding joint groove 421 of having seted up on the flame retardant coating 42, joint piece 412 is located joint groove 421. Armor 44 is woven for a plurality of steel sheets and forms, is provided with protruding thorn 441 on armor 44, and protruding thorn 441 is provided with a plurality ofly around armor 44 evenly at interval, and protruding thorn 441 extends to outer sheath 45 and inner sheath 43 respectively.
The implementation principle of the above embodiment is as follows: in the application, the conductor shield 21, the insulating sleeve 22, the insulating shield 23 and the steel strip shield 24 are wrapped outside the conductor 1 in sequence by a worker, then three wrapped conductors 1 are taken to penetrate into the silicone rubber layer 31 in sequence, then the silicone rubber layer 31 is wrapped by the aluminum wrapping strips 411 and the aluminum wrapping strips 41, then the clamping grooves 421 on the fire-resistant layer 42 correspond to the clamping blocks 412 on the aluminum wrapping strips 411 one by one, the fire-resistant layer 42 is wrapped by the aluminum wrapping strips 411 and the fire-resistant layer 41, after the wrapping of the fire-resistant layer 42 is completed, the fire-resistant layer 42 is wrapped by the inner sheath 43, then the convex thorns 441 inside the armor layer 44 are embedded into the inner sheath 43, the armor layer 44 is fixed, finally, the convex thorns 441 on the side, deviating from the conductor 1, of the inner wall of the outer sheath 45 are embedded into.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an insulating fire resisting cable of crowded package, includes conductor (1) and parcel shielding layer (2) in the conductor (1) outside, its characterized in that, conductor (1) is provided with flexible flame retardant coating (3) outward, flexible flame retardant coating (3) outer parcel has fire-retardant layer (4), fire-retardant layer (4) intussuseption is filled with dry powder granule (451).
2. An extruded insulated fire resistant cable according to claim 1, characterized in that the flexible fire protection layer (3) is provided as a silicone rubber layer (31).
3. The extruded insulation fire-resistant cable according to claim 2, wherein the shielding layer (2) comprises a conductor shielding sleeve (21), an insulation sleeve (22), an insulation shielding sleeve (23) and a steel belt shielding sleeve (24) which are sequentially sleeved outside the conductor (1).
4. The extruded insulation fire-resistant cable according to claim 1, wherein the fire-retardant layer (4) comprises a belt (41), a fire-retardant layer (42), an inner sheath (43), an armor layer (44) and an outer sheath (45) which are sequentially sleeved outside the silicone rubber layer (31), and the dry powder particles (451) are positioned in the outer sheath (45).
5. The extruded insulated fire-resistant cable of claim 4, wherein the tape (41) is provided as an aluminum tape (411).
6. The extruded insulation fire-resistant cable according to claim 5, wherein clamping blocks (412) are arranged on two sides of the axis of the aluminum wrapping tape (411), a clamping groove (421) is formed in the fire-resistant layer (42), and the clamping blocks (412) are located in the clamping groove (421).
7. The extruded insulated fire resistant cable of claim 4 wherein the armor (44) is a plurality of steel sheets braided.
8. The extruded insulated fire resistant cable of claim 7 wherein the armor (44) has barbs (441) disposed thereon, the barbs (441) extending toward the outer jacket (45) and the inner jacket (43), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186060.4U CN212032737U (en) | 2020-06-23 | 2020-06-23 | Extruded insulation fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186060.4U CN212032737U (en) | 2020-06-23 | 2020-06-23 | Extruded insulation fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212032737U true CN212032737U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021186060.4U Active CN212032737U (en) | 2020-06-23 | 2020-06-23 | Extruded insulation fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212032737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735636A (en) * | 2020-12-28 | 2021-04-30 | 安徽宏源特种电缆集团有限公司 | High-temperature-resistant fireproof flexible cable and manufacturing method thereof |
| CN115924656A (en) * | 2023-03-15 | 2023-04-07 | 天津北达线缆集团有限公司 | Assembled medium-voltage flexible cable |
-
2020
- 2020-06-23 CN CN202021186060.4U patent/CN212032737U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735636A (en) * | 2020-12-28 | 2021-04-30 | 安徽宏源特种电缆集团有限公司 | High-temperature-resistant fireproof flexible cable and manufacturing method thereof |
| CN115924656A (en) * | 2023-03-15 | 2023-04-07 | 天津北达线缆集团有限公司 | Assembled medium-voltage flexible cable |
| CN115924656B (en) * | 2023-03-15 | 2023-05-16 | 天津北达线缆集团有限公司 | Assembled medium-voltage flexible cable |
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