CN206021956U - A kind of fire prevention tensile cable - Google Patents
A kind of fire prevention tensile cable Download PDFInfo
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- CN206021956U CN206021956U CN201620963049.1U CN201620963049U CN206021956U CN 206021956 U CN206021956 U CN 206021956U CN 201620963049 U CN201620963049 U CN 201620963049U CN 206021956 U CN206021956 U CN 206021956U
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Abstract
The utility model discloses a kind of fire prevention tensile cable, it is characterised in which includes wire group, tension nylon group, rubber filling layer, sheath, the second tensile layer, flexible sheath and outer jacket；Wherein, the wire group includes that four wires, the wire include conductor cores, fireprotection layer, insulating barrier；The wire group and tension nylon group are arranged in rubber filling layer；Rubber filling layer outside wrap jacket, the second tensile layer, flexible sheath and outer jacket successively.The fire prevention tensile cable that the utility model is provided is provided with tension nylon group and the second tensile layer, and wherein, tension nylon layer is arranged in rubber filling layer jointly with wire group, can be with the highly efficient stretch-proof effect for lifting the cable.
Description
Technical field
The utility model is related to cable, more particularly to a kind of fire prevention tensile cable.
Background technology
With developing rapidly for social process of industrialization, people require more and more higher, especially fire-type to cable technology
Power cable.For the special industries such as iron and steel, oil, chemical industry or heat-resisting quantity, high flexibility, the Special use such as convenient for installation and maintenance
How occasion, both ensured fireproofing of cable performance, can meet the tension demand in the actually used operating mode of cable again, it has also become anti-
A kind of development trend of thermoelectricity cable, in the urgent need to meeting the fire prevention tensile cable of sector application demand.
Utility model content
In view of the deficiency that fire-resisting cable is present at present, a kind of fire prevention tensile cable of the utility model offer, can reach strong
Change the purpose of tension effect.
For reaching above-mentioned purpose, embodiment of the present utility model is adopted the following technical scheme that：
A kind of fire prevention tensile cable, it include wire group, tension nylon group, rubber filling layer, sheath, the second tensile layer,
Flexible sheath and outer jacket；
Wherein, the wire group includes that four wires, the wire include conductor cores, fireprotection layer, insulating barrier；
The wire group and tension nylon group are arranged in rubber filling layer；The outside wrap jacket successively of rubber filling layer,
Second tensile layer, flexible sheath and outer jacket；
Preferably, the conductor cores are formed for several copper wires rule is stranded.
Preferably, the sheath includes the antitorque layer of sheath in protective cover material and protective cover material, wherein, the antitorque layer bag of the sheath
Include ceramic fibre braiding layer or the one kind in aramid fiber braided layer.
Preferably, second tensile layer includes high-temperature-resisting silicon rubber and the tension nylon in high-temperature-resisting silicon rubber
Fabric.
Preferably, also include one second fireprotection layer between flexible sheath and outer jacket.
Preferably, the tension nylon group includes three nylon cores, and the nylon core is stranded by nylon yarn rule.Enter
Preferably, four wires of the wire group include that a zero line, zero line compare live wire to one step.It is further preferred that described three
The distribution triangular in shape of root live wire, the zero line is between three live wires.Further occasionally select, the nylon core is located at two fire
Between line.
The advantage that the utility model is implemented：By above-mentioned technical proposal, the utility model can reach following technique effect：
1st, the fire prevention tensile cable that the utility model is provided is provided with tension nylon group and the second tensile layer, wherein, tension
Nylon layer is arranged in rubber filling layer jointly with wire group, and which can directly suppress the stretcher strain of rubber filling layer, carry
Rise the non-deformability of wire group.Due to cable laying when to be stressed directly be outer jacket with installation site directly contact,
Its stress and caused possible deformation are gradually conducted to wire group, and the second tensile layer is located on the outside of sheath, then can be
Suppress the deformation in the transmittance process of the tensile deformation to the conduction of rubber filling layer, can be more positive and highly efficient
Lift the stretch-proof effect of the cable.
2nd, the fire prevention tensile cable that the utility model is provided, is provided with fireprotection layer except wire to prevent wire heat production to electricity
, rapidly along wire to outside external diffusion, which is also provided with the second fireprotection layer, the second fireprotection layer position for the harm of cable and the suppression condition of a fire
On the inside of outer jacket, which causes cable that there is the ability for bearing small-scale fire in short-term, further improves this fireproofing of cable energy
Power.
Description of the drawings
For the technical scheme being illustrated more clearly that in the utility model embodiment, below will be to making needed for embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings acquisitions
Other accompanying drawings.
Fig. 1 is a kind of schematic cross-section of fire prevention tensile cable described in the utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Embodiment in based on the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
A kind of fire prevention tensile cable, which includes that wire group 10, tension nylon group 2, rubber filling layer 3, sheath 4, second resist
Draw layer 5, flexible sheath 6 and outer jacket 7；
Wherein, the wire group 10 includes that four wires, the wire include conductor cores 101, fireprotection layer 102, insulating barrier
103；
The wire group 10 and tension nylon group 2 are arranged in rubber filling layer 3；Rubber filling layer 3 is outwards wrapped up successively
Sheath 4, the second tensile layer 5, flexible sheath 6 and outer jacket 7.
The fire prevention tensile cable that the utility model is provided is provided with tension nylon group and the second tensile layer, wherein, tension Buddhist nun
Imperial layer is arranged in rubber filling layer jointly with wire group, and which can directly suppress the stretcher strain of rubber filling layer, is lifted
The non-deformability of wire group.Due to cable laying when to be stressed directly be outer jacket with installation site directly contact, its
Institute's stress and caused possible deformation are gradually conducted to wire group, and the second tensile layer is located on the outside of sheath, then can be at this
Suppress the deformation in the transmittance process of tensile deformation to the conduction of rubber filling layer, more positive and highly efficient can carry
Rise the stretch-proof effect of the cable.
Wherein, in a kind of concrete application, the insulating barrier is using Ceramic silicon rubber or cross-linking type ceramic polyolefin
CABLE MATERIALS.
Wherein, in a kind of concrete application, the conductor cores 101 are that several copper wires rule is stranded to be formed.The copper wire is
Ultra-fine soft naked copper, realizes in stranding process controlled per the tension force of rosette copper silk.So, it is ensured that the homogeneity of conductor cores, make
Each section of whole cable of electric conductivity is homogeneous；In stranded copper wire, the quantity of stranded copper wire is different, the conductor cores of formation
Diameter also differ, thus, it is possible to according to the concrete application environmental requirement of client adjust product specification so that product has more
Applicability.
Wherein, in a kind of concrete application, the sheath bag 4 includes protective cover material 42 and the antitorque layer 41 of the sheath in protective cover material,
Wherein, the antitorque layer 41 of the sheath includes ceramic fibre braiding layer or the one kind in aramid fiber braided layer；The protective cover material 42
For the one kind in polyurethane or cross-linking type dynamic vulcanization elastomeric material.The sheath can effectively increase the torsional resistance of cable,
Reduce cable core break risk.
Wherein, in a kind of concrete application, second tensile layer 5 includes high-temperature-resisting silicon rubber 52 and is located at high temperature resistant
Tension RIPSTOP 51 in silicon rubber 52.Wherein, the high-temperature resistant rubber can be ceramic rubber.
Wherein, in a kind of concrete application, also include one second fireprotection layer between flexible sheath 6 and outer jacket 7.This
Two fireprotection layers are located on the inside of outer jacket, and which causes cable that there is the ability for bearing small-scale fire in short-term, further improves this electricity
The fire resistance property of cable.
Wherein, in a kind of concrete application, the tension nylon group 2 includes three nylon cores, and the nylon core is by nylon
Silk rule is stranded.It is further preferred that four wires of the wire group include a zero line 12 and three live wires 11, zero
Line 12 is thinner than live wire 11.It is further preferred that three live wires, 11 distribution triangular in shape, the zero line 12 is in three live wires
Between 11.Still further preferably, the nylon core is located between two live wires.
The distribution triangular in shape of three live wires and zero line is centered around centre, helps to maintain the phase of the position between each wire
To homogeneity that is stable and improving whole cable.Tension nylon group using nylon core structure, its can higher realization exist
Balance between pull resistance and cable flexibility so that cable while possessing tensile property also has certain flexibility, is easy to
The installation and use of cable.
Wherein, in a kind of concrete application, the flexible sheath 6 and and outer jacket 7 between include well a screen layer, described
Screen layer is the wire netting that two groups of thin copper wires perpendicular to one another are interwoven.
Wherein, in a kind of concrete application, this fire prevention tensile cable is particularly suited for setting up electrical network, especially close in electrical network
Degree is than larger or power grid environment complex condition electrical network.The high intensity of the cable, especially high tensile strength, can allow
Cable is installed using more work fiercer means, it is also possible to make cable more be applied to the erection ring for supporting interval longer
Border.
Wherein, in a kind of concrete application, the fire prevention tensile cable also includes at least one live wire, i.e., whole cable tool
There are at least four live wires and a zero line.The live wire is around fragmentary uniform arrangement.Wherein, the color of every live wire not phase
With, used as power line conduct power, other live wires can be used as siding, but its main purposes is conduct for three live wires
Monitoring wire.The principle of the monitoring wire is as follows：See on the whole, stretching, torsion, bending and extruding that all live wires are experienced
Essentially identical etc. various physical environments, therefore, it can rational supposition, between each live wire because of reasons such as physical extensions caused by
Wire damages basically identical.Accordingly, the change of the resistance of detection monitoring wire can be passed through, speculates that other live wires also experienced
Similar resistance variations.For example, if the resistance for detecting monitoring wire is significantly increased, other live wires reasonably can be derived
Resistance also there occurs that significant increase, cable there may be the situations such as excessive tensile.Be based on this, can also in real time or take place frequently right
Monitoring cable resistance detected, real-time assessment is carried out to the integrality of cable；If detecting resistance significantly to increase suddenly
Height, can rationally speculate that cable suffers from damage suddenly.Thus, the state of the detection cable that maintainer can be caused higher,
And rational maintenance and maintenance is arranged according to cable status.
Wherein, in a kind of concrete application, a fluorescence coating is set, the fluorescence coating between the oversheath and flexible sheath
Can be the fluorescence sprayed coating, or the cladding being made up of the elastic caoutchouc containing fluorescent material being sprayed on flexible sheath
Layer.When oversheath occurs damaged, the fluorescence coating is revealed.At this point it is possible to pass through the observation and detection of the fluorescence to leaking outside,
Know rapidly the damage of the cable, and take measures in time in case the damage extends to more internal structure, to cause paroxysmal electricity
Cable failure.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any those skilled in the art disclosed in the utility model in technical scope, the change that can readily occur in
Change or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described
Scope of the claims is defined.
Claims (9)
1. a kind of fire prevention tensile cable, it is characterised in that it include wire group, tension nylon group, rubber filling layer, sheath, the
Two tensile layers, flexible sheath and outer jacket；
Wherein, the wire group includes that four wires, the wire include conductor cores, fireprotection layer, insulating barrier；
The wire group and tension nylon group are arranged in rubber filling layer；Rubber filling layer be outwards enclosed with successively sheath,
Two tensile layers, flexible sheath and outer jacket.
2. fire prevention tensile cable as claimed in claim 1, it is characterised in that the conductor cores are for several copper wires rule is stranded
Into.
3. fire prevention tensile cable as claimed in claim 1, it is characterised in that the sheath is included in protective cover material and protective cover material
The antitorque layer of sheath, wherein,
The antitorque layer of the sheath includes ceramic fibre braiding layer or the one kind in aramid fiber braided layer.
4. fire prevention tensile cable as claimed in claim 1, it is characterised in that second tensile layer includes high-temperature-resisting silicon rubber
And the tension RIPSTOP in high-temperature-resisting silicon rubber.
5. the fire prevention tensile cable as described in any one of Claims 1 to 4, it is characterised in that flexible sheath and outer jacket it
Between also include one second fireprotection layer.
6. fire prevention tensile cable as claimed in claim 5, it is characterised in that the tension nylon group includes three nylon cores,
The nylon core is stranded by nylon yarn rule.
7. fire prevention tensile cable as claimed in claim 6, it is characterised in that four wires of the wire group include one zero
Line, zero line are thinner than live wire.
8. fire prevention tensile cable as claimed in claim 7, it is characterised in that three live wires distribution triangular in shape, described
Zero line is between three live wires.
9. fire prevention tensile cable as claimed in claim 8, it is characterised in that the nylon core is located between two live wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620963049.1U CN206021956U (en) | 2016-08-27 | 2016-08-27 | A kind of fire prevention tensile cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620963049.1U CN206021956U (en) | 2016-08-27 | 2016-08-27 | A kind of fire prevention tensile cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206021956U true CN206021956U (en) | 2017-03-15 |
Family
ID=58252356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620963049.1U Active CN206021956U (en) | 2016-08-27 | 2016-08-27 | A kind of fire prevention tensile cable |
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| Country | Link |
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| CN (1) | CN206021956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447602A (en) * | 2018-04-25 | 2018-08-24 | 四川鑫电电缆有限公司 | The fire-retardant three cores midium voltage cable of temperature-sensitive tension |
-
2016
- 2016-08-27 CN CN201620963049.1U patent/CN206021956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447602A (en) * | 2018-04-25 | 2018-08-24 | 四川鑫电电缆有限公司 | The fire-retardant three cores midium voltage cable of temperature-sensitive tension |
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