CN109346228A - A kind of flame retardant rubber cable - Google Patents
A kind of flame retardant rubber cable Download PDFInfo
- Publication number
- CN109346228A CN109346228A CN201811292067.1A CN201811292067A CN109346228A CN 109346228 A CN109346228 A CN 109346228A CN 201811292067 A CN201811292067 A CN 201811292067A CN 109346228 A CN109346228 A CN 109346228A
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- Prior art keywords
- rubber
- cable
- fire
- draw runner
- resistant layer
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Classifications
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- 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
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- 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
-
- 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
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- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
-
- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
-
- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention belongs to fireproof cable technical fields, specifically a kind of flame retardant rubber cable including elliptoid rubber fire-resistant layer, in rubber fire-resistant layer and is enclosed with the cable core of insulating layer, cable holder compatible with cable core, among two cable holders and the rubber tube equipped with water and the fire prevention draw runner one being slidably connected with cable holder and fire prevention draw runner two；The outer wall of cable holder is adapted with rubber fire-resistant layer inner wall shape, and the both ends of cable holder are equipped with the groove of semi-oval；Cable core is located at the notch of groove；The top and bottom of rubber tube are provided with apopore；Candle piece one is provided at apopore, and apopore is sealed by candle piece one；The present invention is not only easy to radiate but also the performance with anti-flaming thermal-insulation, when fire occurs, cable core can be effectively prevent to be burnt, it is impaired to avoid flame retardant rubber cable main body point.
Description
Technical field
The invention belongs to fireproof cable art field, specifically a kind of flame retardant rubber cable.
Background technique
The fire-resisting cable of the prior art mostly using magnesium oxide mineral insulation fire-resisting cable and with Mica tape without
The fire-resisting cable of machine insulation.Magnesium oxide mineral insulation fire-resisting cable advantage is that the fusing point of insulant magnesia is 2800 DEG C, 750
DEG C flame combustion when, the construction of cable is not in problem, have excellent fire resistance, but the rated voltage for cable only
Reach 750V, manufacture production technology is many and diverse, and energy consumption is high for manufacturing process, and equipment investment is expensive.Since the cable is discontinuous
Formula production, low output, manufacturing cost is high, incompatible with ever-increasing market demand.The factory length of cable is limited, such as long
Distance laying needs multiple connector, and magnesia is easy the moisture absorption, and cable is caused to decline in the insulation resistance of joint, influences
Electric property.In addition the bending property of the cable is poor, and mounting and installation is inconvenient, and use scope is subject to certain restrictions.
Patent document 1: a kind of flame-retardant composite fireproof cable, application number 2013107166037
In above patent document 1, it includes at least two and is successively enclosed with mica fireprotection layer from the inside to the outside respectively, insulate and prevent
Damp layer, aluminium alloy lock armo barrier layer, flame-retardant layer twisted copper wires conductor composition cable core, be successively wrapped in cable from the inside to the outside
Stranding band, oxygen barrier layer, ceramic fireprotection layer, lock armo layer, fire-retardant outer jacket outside core, and it is filled in cable core and stranding
Flame-retardant filler between band holds in use although the flame-retardant composite fireproof cable fire retardant effect is good
Easily fever and not easy heat radiation are easy that cable core heat is made to gather and reduce the service life.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of flame retardant rubber cable proposed by the present invention, the cable are both easy to radiate
Cable core can be effectively prevent to be burnt, avoid flame retardant rubber cable master when fire occurs with the performance of anti-flaming thermal-insulation again
Body portion is impaired.
The technical solution adopted by the present invention to solve the technical problems is: a kind of flame retardant rubber cable of the present invention,
Including elliptoid rubber fire-resistant layer, in rubber fire-resistant layer and it is enclosed with the cable core of insulating layer, is adapted with cable core
Cable holder, the rubber tube equipped with water and be slidably connected among two cable holders and with cable holder
It prevents fires draw runner one and fire prevention draw runner two, fireproof coating is coated on the inner wall of the rubber fire-resistant layer；The cable holder
Outer wall is adapted with rubber fire-resistant layer inner wall shape, and the both ends of cable holder are equipped with the groove of semi-oval；The cable
Core is located at the notch of groove；The top and bottom of the rubber tube are provided with apopore；Candle is provided at the apopore
Piece one, and apopore is sealed by candle piece one；The fire prevention draw runner one and water of the draw runner two in rubber tube of preventing fires are heated outer
It overflows after squeezing, can push cable core to groove inside to the movement of cable core retainer two sides.When work, fire is not occurring
When, cable core is located at rubber fire-resistant layer avris, cable core using when be easy to radiate, cable core aging can be reduced, extend cable core
Service life；After the kindling of flame retardant rubber cable surrounding, flame retardant rubber cable heated, rubber fire-resistant layer is heated and shrinks, two
Cable holder slides in opposition on the inside of elliptoid rubber fire-resistant layer and squeezes rubber tube, and the candle piece one at rubber tube is heated
Melt, the water in rubber tube is easy to evaporate after heated, and the water of evaporation will overflow apopore and push fire prevention draw runner one and fire prevention
Draw runner two, fire prevention draw runner one and fire prevention draw runner two will slide along cable holder and shift to cable holder both ends, prevent fires
Under the pushing of draw runner one and fire prevention draw runner two, cable core will be caught up on the inside of groove, make cable core far from rubber fire-resistant layer, simultaneously
Fire prevention draw runner one and fire prevention draw runner two will be kept off at groove notch, and cable core is isolated from the outside, cable core is protected, is kept away
Exempting from cable core is ignite.
The rubber fire-resistant layer has been embedded in heat conducting metal thread；The heat conducting metal thread is along rubber fire-resistant layer length direction cloth
It sets.When work, rubber fire-resistant layer surface is heated, on the one hand, heat conducting metal thread has reinforced stock fireprotection layer, consolidates to rubber fire-resistant layer
The effect of shape, on the other hand, heat conducting metal thread can conduct heat, the rubber fire-resistant layer heat of local heating spread out,
Make rubber fire-resistant layer be easy to radiate, improve the heat resistance of rubber fire-resistant layer, and then improves the heat dissipation of flame retardant rubber fireproofing of cable
Ability.
It is described fire prevention draw runner one, prevent fires draw runner two upper surface be provided with water-flowing trough；The water-flowing trough is along fire prevention draw runner
One or fire prevention two glide direction of draw runner open up, and one end of water-flowing trough is provided with candle piece two, and water-flowing trough passes through two envelope of candle piece
It is stifled.When work, heated vapor, vapor or the water of becoming of water accumulation in rubber tube slides pushing fire prevention draw runner one with fire prevention
Item two realizes the grafting of fire prevention draw runner one and draw runner two of preventing fires, meanwhile, candle piece one continues heated and melts, a large amount of water or
Vapor will be flowed in groove by water-flowing trough, be cooled down to cable core, fire prevention draw runner one and fire prevention draw runner two, to improve
Flame retardant rubber fireproofing of cable heat-qualities.
One end end of the fire prevention draw runner one is provided with chamber；The chamber is provided with dry sand and cement, and chamber and anti-
Fiery one outer surface of draw runner passes through diaphragm seal；One end of the fire prevention draw runner two is provided with convex stick, and fire prevention draw runner two and fire prevention are slided
Item one realizes be adapted to grafting of the convex stick with chamber under the pushing of water or vapor, and cable core is inwardly pushed.When work, prevent
Fiery draw runner one and fire prevention draw runner two slide along cable holder under the thrust of water or vapor and shift to cable and keep
Frame both side ends, and realize the grafting of convex stick and chamber, while a small amount of water or vapor diffuses in chamber, makes cement and dry sand
It mixes and solidifies, realize fire prevention draw runner one and fire prevention two fit sealing cable core of draw runner, improve the shielded coefficient of cable core,
Meanwhile a small amount of water or vapor can also be alleviated cable core is made to cool down.
The surface of the convex stick is provided with rough convex closure.When work, the water accumulation in rubber tube is heated and becomes water
Steam, vapor or water will push fire prevention draw runner one and fire prevention draw runner two, realize the grafting of fire prevention draw runner one and draw runner two of preventing fires,
The convex closure of convex stick surface irregularity will promote the cement in rubber tube and sand to mix, and reinforce fire prevention draw runner one and prevent fires and slide
The connection of item two is conducive to the being completely embedded property for improving fire prevention draw runner one between draw runner two of preventing fires, is not easy cable core from recessed
It is backing out in slot, protect cable core not encroached on.
Rubber fire-resistant layer thickness along the upper and lower side of short-axis direction is less than other part thickness of rubber fire-resistant layer.Work
When, elliptoid rubber fire-resistant layer is heated and shrinks inwardly, and upper and lower side thickness of the rubber fire-resistant layer on short-axis direction is small
In other part thickness of rubber fire-resistant layer, so that elliptoid rubber fire-resistant layer is shunk more acutely on long axis direction, contraction
Rubber fire-resistant layer squeezes two cable holders to centre, and two cable holders will squeeze rubber tube to intermediate movement,
To make the water in rubber tube is easier to be extruded out, so that entire flame retardant rubber cable is cooled, fire-retardant rubber is improved
Glue fireproofing of cable thermal protective performance.
Beneficial effects of the present invention are as follows:
1. cable core of the invention is located at rubber fire-resistant layer avris, cable core using when be easy to radiate, cable core can be reduced
Aging extends cable core service life；It is heated after contraction in rubber fire-resistant layer, two cable holders are in elliptoid rubber
It slides in opposition on the inside of fireprotection layer and squeezes rubber tube, the water in rubber tube will push fire prevention draw runner one and fire prevention after by thermal evaporation
Draw runner two slides, make cable core will be caught up on the inside of groove, make cable core far from rubber fire-resistant layer, by cable core and it is external every
Absolutely, it is protected cable core, cable core is avoided to be ignite, effectively improve flame retardant rubber cable fire-proof performance.
2. the present invention has reinforced stock anti-by being embedded in heat conducting metal thread, one side heat conducting metal thread in rubber fire-resistant layer
Fire bed, to the effect of rubber fire-resistant layer solid, on the other hand, heat conducting metal thread can conduct heat, by the rubber of local heating
Fireprotection layer heat spreads out, and rubber fire-resistant layer is made to be easy to radiate, and improves the heat resistance of rubber fire-resistant layer, and then improve fire-retardant
The fire prevention heat-sinking capability of rubber cable.
3. the present invention mixes cement and dry sand and solidifies by the grafting of convex stick and chamber under the action of water, real
Now fire prevention draw runner one and fire prevention two fit sealing cable core of draw runner, improve the shielded coefficient of cable core.
Detailed description of the invention
Fig. 1 is flame retardant rubber construction of cable schematic diagram of the invention；
Fig. 2 is enlarged drawing at the A about Fig. 1；
Fig. 3 is enlarged drawing at the B about Fig. 1；
In figure: rubber fire-resistant layer 1, heat conducting metal thread 11, cable core 2, cable holder 3, groove 31, rubber tube 4, water outlet
Hole 41, fire prevention draw runner 1, chamber 51, fire prevention draw runner 26, convex stick 61, water-flowing trough 62, candle piece 2 63.
Specific embodiment
A kind of flame retardant rubber cable of the invention is carried out using Fig. 1 to Fig. 3 as described below.
As shown in Figure 1 to Figure 3, a kind of flame retardant rubber cable of the present invention, including elliptoid rubber fire-resistant layer 1,
In rubber fire-resistant layer 1 and it is enclosed with the cable core 2 of insulating layer, cable holder 3 compatible with cable core 2, is located at two
Among a cable holder 3 and the rubber tube 4 of water and the fire prevention draw runner 1 being slidably connected with cable holder 3 are housed and prevented
Fiery draw runner 26 is coated with fireproof coating on the inner wall of the rubber fire-resistant layer 1；The outer wall and rubber of the cable holder 3 are anti-
1 inner wall shape of fire bed is adapted, and the both ends of cable holder 3 are equipped with the groove 31 of semi-oval；The cable core 2 is located at recessed
At the notch of slot 31；The top and bottom of the rubber tube 4 are provided with apopore 41；Candle piece is provided at the apopore 41
One, and apopore 41 is sealed by candle piece one；The fire prevention draw runner 1 and water of the draw runner 26 in rubber tube 4 of preventing fires are heated
After excessive extruding, can be mobile to 2 retainer two sides of cable core and by cable core 2 to pushing on the inside of groove 31.When work, do not sending out
When calamity of lighting a fire, cable core 2 is located at 1 avris of rubber fire-resistant layer, and cable core 2 is easy to radiate when using, and can reduce 2 aging of cable core,
Extend 2 service life of cable core；After the kindling of flame retardant rubber cable surrounding, flame retardant rubber cable heated, rubber fire-resistant layer 1 is heated
And shrink, two cable holders 3 slide in opposition on the inside of elliptoid rubber fire-resistant layer 1 and squeeze rubber tube 4, rubber tube 4
The candle piece one at place is heated to be melted, and the water in rubber tube 4 is easy to evaporate after heated, and the water of evaporation will overflow apopore 41 and push away
Fire prevention draw runner 1 and fire prevention draw runner 26 are squeezed, fire prevention draw runner 1 and fire prevention draw runner 26 will be slided along cable holder 3 and be moved
To 3 both ends of cable holder, under the pushing of fire prevention draw runner 1 and draw runner 26 of preventing fires, cable core 2 will be caught up with into groove 31
Side makes cable core 2 far from rubber fire-resistant layer 1, while prevent fires draw runner 1 and fire prevention draw runner 26 will be kept off at 31 notch of groove, will
Cable core 2 is isolated from the outside, and is protected cable core 2, and cable core 2 is avoided to be ignite.
The rubber fire-resistant layer 1 has been embedded in heat conducting metal thread 11；The heat conducting metal thread 11 is along 1 length of rubber fire-resistant layer
Direction arrangement.When work, 1 surface of rubber fire-resistant layer is heated, on the one hand, heat conducting metal thread 11 has reinforced stock fireprotection layer 1, to rubber
The effect of 1 solid of glue fireprotection layer, on the other hand, heat conducting metal thread 11 can conduct heat, by the rubber fire-resistant layer 1 of local heating
Heat spreads out, and rubber fire-resistant layer 1 is made to be easy to radiate, and improves the heat resistance of rubber fire-resistant layer 1, and then improve flame retardant rubber
Fireproofing of cable heat-sinking capability.
It is described fire prevention draw runner 1, prevent fires draw runner 26 upper surface be provided with water-flowing trough 62；The water-flowing trough 62 is along anti-
Fiery draw runner 1 or fire prevention 26 glide direction of draw runner open up, and one end of water-flowing trough 62 is provided with candle piece 2 63, water-flowing trough 62
It is blocked by candle piece 2 63.When work, heated vapor, vapor or the water of becoming of water accumulation in rubber tube 4 will be pushed
Fire prevention draw runner 1 and fire prevention draw runner 26 realize the grafting of fire prevention draw runner 1 with draw runner 26 of preventing fires, meanwhile, candle piece one continues
It is heated and melts, a large amount of water or vapor will be flowed in groove 31 by water-flowing trough 62, to cable core 2, fire prevention one 5 and of draw runner
Fire prevention draw runner 26 is cooled down, to improve flame retardant rubber fireproofing of cable heat-qualities.
One end end of the fire prevention draw runner 1 is provided with chamber 51；The chamber 51 is provided with dry sand and cement, and chamber
51 pass through diaphragm seal with fire prevention one 5 outer surface of draw runner；One end of the fire prevention draw runner 26 is provided with convex stick 61, draw runner of preventing fires
26 and fire prevention draw runner 1 realize the grafting that is adapted to of convex stick 61 with chamber 51 under the pushing of water or vapor, and by cable core 2
Inwardly push.When work, fire prevention draw runner 1 and fire prevention draw runner 26 are kept under the thrust of water or vapor along cable
Frame 3 slides and shifts to 3 both side ends of cable holder, and realizes the grafting of convex stick 61 and chamber 51, while a small amount of water or water
Steam diffuses in chamber 51, mixes cement and dry sand and solidifies, and realizes fire prevention draw runner 1 and fire prevention 26 fit sealing of draw runner
Cable core 2 improves the shielded coefficient of cable core 2, meanwhile, a small amount of water or vapor, which can also be alleviated, makes cable core 2 cool down.
The surface of the convex stick 61 is provided with rough convex closure.When work, the water accumulation in rubber tube 4 is heated and is become
Vapor, vapor or water will push fire prevention draw runner 1 and fire prevention draw runner 26, realize fire prevention draw runner 1 and fire prevention draw runner 26
Grafting, the convex closure of convex 61 surface irregularity of stick will promote the cement in rubber tube 4 and sand to mix, and reinforce fire prevention draw runner
1 and fire prevention draw runner 26 connection, be conducive to improve fire prevention draw runner 1 and prevent fires draw runner 26 between being completely embedded property, make
Cable core 2 is not easy backing out out of groove 31, and cable core 2 is protected not encroached on.
The rubber fire-resistant layer 1 thickness along the upper and lower side of short-axis direction is less than other part thickness of rubber fire-resistant layer 1.Work
When making, elliptoid rubber fire-resistant layer 1 is heated and shrinks inwardly, and upper and lower side of the rubber fire-resistant layer 1 on short-axis direction is thick
Degree is less than other part thickness of rubber fire-resistant layer 1, so that elliptoid rubber fire-resistant layer 1 is shunk more acutely on long axis direction,
The rubber fire-resistant layer 1 of contraction squeezes two cable holders 3 to centre, and two cable holders 3 will be squeezed to intermediate movement
Rubber tube 4 is pressed, to make the water in rubber tube 4 is easier to be extruded out, so that entire flame retardant rubber cable is cooled, is mentioned
High flame retardant rubber fireproofing of cable thermal protective performance.
Specific workflow is as follows:
When work, when fire does not occur, cable core 2 is located at 1 avris of rubber fire-resistant layer, and cable core 2 is easy to scattered when using
Heat can reduce 2 aging of cable core, extend 2 service life of cable core；After the kindling of flame retardant rubber cable surrounding, flame retardant rubber electricity
Cable is heated, and rubber fire-resistant layer 1 is heated and shrinks, and two cable holders 3 slide in opposition on the inside of elliptoid rubber fire-resistant layer 1
And rubber tube 4 is squeezed, the candle piece one at rubber tube 4 is heated to be melted, and the water in rubber tube 4 is easy to evaporate after heated, is evaporated
Water will overflow apopore 41 and push fire prevention draw runner 1 and fire prevention draw runner 26, fire prevention draw runner 1 and fire prevention draw runner 26 are by edge
The sliding of cable holder 3 and shift to 3 both ends of cable holder, and realize the grafting of convex stick 61 with chamber 51, while a small amount of
Water or vapor diffuse in chamber 51, mix cement and dry sand and solidify, and the convex closure of convex 61 surface irregularity of stick will promote
Cement and sand mixing in rubber tube 4, and reinforce the connection of fire prevention draw runner 1 and draw runner 26 of preventing fires；In fire prevention draw runner 1
Under pushing with fire prevention draw runner 26, cable core 2 will be caught up with to 31 inside of groove, make cable core 2 far from rubber fire-resistant layer 1, simultaneously
Prevent fires draw runner 1 and fire prevention draw runner 26 will keep off at 31 notch of groove, cable core 2 is isolated from the outside, make cable core 2 by
Protection, avoids cable core 2 from being ignite；
Heat conducting metal thread 11 is embedded in rubber fire-resistant layer 1, after 1 surface of rubber fire-resistant layer is heated, on the one hand, thermally conductive gold
Belonging to line 11 plays the role of reinforced stock fireprotection layer 1, gives rubber fire-resistant layer 1 solid, and on the other hand, heat conducting metal thread 11 can conduct
1 heat of rubber fire-resistant layer of local heating is spread out, rubber fire-resistant layer 1 is made to be easy to radiate by heat, improves rubber fire-resistant layer
1 heat resistance, and then improve flame retardant rubber fireproofing of cable heat-sinking capability；After rubber fire-resistant layer 1 is persistently heated, rubber is anti-
Upper and lower side thickness of the fire bed 1 on short-axis direction is less than other part thickness of rubber fire-resistant layer 1, so that elliptoid rubber fire-resistant
Layer 1 is shunk more acutely on long axis direction, and the rubber fire-resistant layer 1 of contraction squeezes two cable holders 3 to centre, two electricity
Cable retainer 3 will squeeze rubber tube 4 to intermediate movement, thus make that the water in rubber tube 4 is easier to be extruded out, so that
Entire flame retardant rubber cable is cooled, improves flame retardant rubber fireproofing of cable thermal protective performance.
More than, it is illustrated about one embodiment of the present invention, but the present invention is not limited to the above embodiments, not
Various changes are able to carry out in the range of disengaging present subject matter.
Industrial applicibility
According to the present invention, because cable core is located at rubber fire-resistant layer avris, cable core using when be easy to radiate, cable can be reduced
Core aging extends cable core service life；It is heated after contraction in rubber fire-resistant layer, two cable holders are in elliptoid rubber
It slides in opposition on the inside of glue fireprotection layer and squeezes rubber tube, the water in rubber tube will push fire prevention draw runner one and prevent after by thermal evaporation
Fiery draw runner two slides, and catch up with cable core will on the inside of groove, makes cable core far from rubber fire-resistant layer, by cable core and it is external every
Absolutely, it is protected cable core, cable core is avoided to be ignite, effectively improve flame retardant rubber cable fire-proof performance；Therefore this is fire-retardant
Rubber cable is useful in fireproof cable technical field.
Claims (6)
1. a kind of flame retardant rubber cable, it is characterised in that: including elliptoid rubber fire-resistant layer (1), be located at rubber fire-resistant layer (1)
Cable core (2) that is interior and being enclosed with insulating layer keeps with cable core (2) compatible cable holder (3), positioned at two cables
The intermediate and rubber tube (4) equipped with water of frame (3) and the fire prevention draw runner one (5) being slidably connected with cable holder (3) and fire prevention
The outer wall of draw runner two (6), the cable holder (3) is adapted with rubber fire-resistant layer (1) inner wall shape, cable holder (3)
Both ends be equipped with the groove (31) of semi-oval；The cable core (2) is located at the notch of groove (31)；The rubber tube
(4) top and bottom are provided with apopore (41), candle piece one are provided at the apopore (41), and apopore (41) is logical
Cross the sealing of candle piece one；Fire prevention draw runner one (5) and draw runner two (6) water in rubber tube (4) of preventing fires are heated excessive extruding
Afterwards, cable core (2) can be pushed to groove (31) inside to the movement of cable core (2) retainer two sides.
2. a kind of flame retardant rubber cable according to claim 1, it is characterised in that: the rubber fire-resistant layer (1) is embedded in
There are heat conducting metal thread (11)；The heat conducting metal thread (11) is arranged along rubber fire-resistant layer (1) length direction.
3. a kind of flame retardant rubber cable according to claim 1, it is characterised in that: the fire prevention draw runner one (5), fire prevention are slided
The upper surface of item two (6) is provided with water-flowing trough (62)；The water-flowing trough (62) is along fire prevention draw runner one (5) or fire prevention draw runner two
(6) glide direction opens up.
4. a kind of flame retardant rubber cable according to claim 3, it is characterised in that: one end of fire prevention draw runner one (5)
End is provided with chamber (51)；The chamber (51) is provided with dry sand and cement, and chamber (51) and fire prevention draw runner one (5) outer surface
Pass through diaphragm seal；One end of fire prevention draw runner two (6) is provided with convex stick (61), draw runner one of preventing fires draw runner two (6) and prevent fires
(5) be adapted to grafting of the convex stick (61) with chamber (51) is realized under the pushing of water or vapor, and cable core (2) is inwardly pushed away
It squeezes.
5. a kind of flame retardant rubber cable according to claim 4, it is characterised in that: the surface of the convex stick (61) is provided with
Rough convex closure.
6. a kind of flame retardant rubber cable according to claim 1, it is characterised in that: the rubber fire-resistant layer (1) is along short axle
Thickness is less than rubber fire-resistant layer (1) other part thickness at the upper and lower side in direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292067.1A CN109346228A (en) | 2018-10-30 | 2018-10-30 | A kind of flame retardant rubber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292067.1A CN109346228A (en) | 2018-10-30 | 2018-10-30 | A kind of flame retardant rubber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109346228A true CN109346228A (en) | 2019-02-15 |
Family
ID=65312956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811292067.1A Pending CN109346228A (en) | 2018-10-30 | 2018-10-30 | A kind of flame retardant rubber cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN109346228A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994276A (en) * | 2019-04-18 | 2019-07-09 | 重庆渝丰电线电缆有限公司 | A kind of unshielded high-voltage ignition cable of automobile with temperature-sensitive warning function |
| CN110610778A (en) * | 2019-09-23 | 2019-12-24 | 贵州昌源建材科技有限公司 | Composite cable |
| CN112670011A (en) * | 2020-11-28 | 2021-04-16 | 安徽华能电缆股份有限公司 | Novel silver-plated copper core polytetrafluoroethylene composite insulated wire and cable and forming process thereof |
-
2018
- 2018-10-30 CN CN201811292067.1A patent/CN109346228A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994276A (en) * | 2019-04-18 | 2019-07-09 | 重庆渝丰电线电缆有限公司 | A kind of unshielded high-voltage ignition cable of automobile with temperature-sensitive warning function |
| CN110610778A (en) * | 2019-09-23 | 2019-12-24 | 贵州昌源建材科技有限公司 | Composite cable |
| CN112670011A (en) * | 2020-11-28 | 2021-04-16 | 安徽华能电缆股份有限公司 | Novel silver-plated copper core polytetrafluoroethylene composite insulated wire and cable and forming process thereof |
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Application publication date: 20190215 |