CN209674917U - With the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force - Google Patents
With the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force Download PDFInfo
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- CN209674917U CN209674917U CN201920882601.8U CN201920882601U CN209674917U CN 209674917 U CN209674917 U CN 209674917U CN 201920882601 U CN201920882601 U CN 201920882601U CN 209674917 U CN209674917 U CN 209674917U
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Abstract
The utility model is provided with the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, including conductor, flame retardant coating, insulating layer；The conductor is provided with everywhere in cross-shaped, and flame retardant coating is wrapped in the outside of conductor；The insulating layer is wrapped in the outside of flame retardant coating, and insulating sheath is wrapped in the outside of insulating layer；The flame-retardant layer is wrapped in the outside of insulating sheath, and filled layer is filled at the gap between flame-retardant layer and insulating sheath；The inner sheath is wrapped in the outside of flame-retardant layer；The utility model passes through the improvement to steel wire armored cable sheath; with reasonable in design; structure is protected using two kinds of armourings of steel band and steel wire, mechanical strength is big, improves load ability; cable is set to be able to bear stronger mechanical external force; the impact energy uptake of cable is big, high temperature resistant, and insulation effect is good; anti-fire ability strong advantage, to go wrong in effective solution existing apparatus and insufficient.
Description
Technical field
The utility model relates to armored cable technical fields, more specifically, more particularly to a kind of mechanical outer with bearing
The flame-resistant insulation shaped steel wire armored cable sheath of power.
Background technique
Armored cable is mounted in the metal sleeve for having insulating materials by different material conductors, is processed to flexible
Solid assembly.The high mechanical strength of armored cable, erosion prevention is strong, is for vulnerable to mechanical damage and extremely erodible
Area and the wire and cable designed.It can be laid using any method, be more suitable for the directly buried installation of Rock Region.
Existing armored cable only relies on external single steel-tape armouring layer or steel wire armor layer as receiving mechanical external force
Stress layer, load effect is more general, and mechanical strength is lower, and the mechanical external force being able to bear is smaller, and fire resistance
Poor, anti-fire effect is general, has some limitations when in use.
In view of this, being studied improvement for existing problem, provide a kind of with the insulation resistance for bearing mechanical external force
Fire shaped steel wire armored cable sheath, it is intended to by the technology, achieve the purpose that solve the problems, such as and improve practical value.
Utility model content
The purpose of this utility model is to provide have bear mechanical external force flame-resistant insulation shaped steel wire armored cable sheath,
External single steel-tape armouring layer or wire armoring are only relied on to solve existing armored cable mentioned above in the background art
Layer is as the stress layer for bearing mechanical external force, and load effect is more general, and mechanical strength is lower, the mechanical external force being able to bear
The problem of smaller, and fire resistance is poor, anti-fire effect is general, has some limitations when in use and deficiency.
To achieve the above object, the utility model is provided with the flame-resistant insulation shaped steel wire armouring electricity for bearing mechanical external force
Cable sheath is reached by technological means in detail below: conductor is provided with everywhere in cross-shaped, and flame retardant coating is wrapped in conductor
Outside；The insulating layer is wrapped in the outside of flame retardant coating, and insulating sheath is wrapped in the outside of insulating layer；The flame-retardant layer packet
It is rolled in the outside of insulating sheath, and filled layer is filled at the gap between flame-retardant layer and insulating sheath；The inner sheath
It is wrapped in the outside of flame-retardant layer；First armor is wrapped in the outside of inner sheath, and the second armor is wrapped in the first armour
Fill the outside of layer；The oversheath is wrapped in the outside of the second armor.
As advanced optimizing for the technical program, the material of flame retardant coating is mica tape, and flame retardant coating is wound in the shape of a spiral
On the outer wall of conductor.
As advanced optimizing for the technical program, the material of insulating layer is magnesium oxide powder, and insulating layer is by flame retardant coating
It is isolated with insulating sheath.
As advanced optimizing for the technical program, the material of insulating sheath is polyvinyl chloride.
As advanced optimizing for the technical program, the material of filled layer is alkali-free glass fibre.
As advanced optimizing for the technical program, the material of flame-retardant layer is fireproof glass silk ribbon.
As advanced optimizing for the technical program, inner sheath and oversheath are low-smoke and halogen-free flame retardant polyolefin jacket.
As advanced optimizing for the technical program, the first armor is galvanized steel strip, and the first armor is in the shape of a spiral
It is wrapped on the outer wall of inner sheath.
As advanced optimizing for the technical program, zinc-coated wire that the second armor is distributed by more circular array shapes
Composition, and the second armor is spirally wrapped around on the outer wall of the first armor.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the material of the utility model flame retardant coating is mica tape, and flame retardant coating is spirally wrapped around on the outer wall of conductor,
The material of insulating layer is magnesium oxide powder, and insulating layer is isolated by flame retardant coating with insulating sheath, and the material of insulating sheath is polychlorostyrene
The setting of ethylene, mica tape have many advantages, such as that insulation, high temperature resistant, thermal insulation are good, and the outside for being directly wound in conductor effectively extends
Normal working hours of the conductor in the condition line of kindling, and be still able to maintain insulation resistance in high temperature and do not decline, and oxygen
Changing magnesium dust has stronger insulating properties, and will not burn, will not be combustion-supporting, long service life, insulation made of polyvinyl chloride
Sheath has preferable mechanical performance, enhances the mechanical strength inside cable.
2, the material of the utility model filled layer is alkali-free glass fibre, and the material of flame-retardant layer is fireproof glass silk ribbon, interior
Sheath and oversheath are the setting of low-smoke and halogen-free flame retardant polyolefin jacket, and alkali-free glass fibre tensile strength is high, increase cable
Impact energy uptake, fireproof glass silk ribbon high temperature resistant, good heat-insulation effect, and fire protection flame retarding improve the anti-fire of cable
Performance, and toxic gas and dense smoke will not be discharged when low-smoke and halogen-free flame retardant polyolefin jacket burning, it is slow to prolong speed.
3, the first armor of the utility model is galvanized steel strip, and the first armor is spirally wrapped around the outer of inner sheath
On wall, the second armor is made of the zinc-coated wire that more circular array shapes are distributed, and the second armor is wound in the shape of a spiral
Setting on the outer wall of the first armor protects structure using two kinds of armourings of steel band and steel wire, effectively enhances cable entirety
Mechanical strength, improve load ability, so that cable is able to bear stronger mechanical external force.
4, the utility model is by the improvement to steel wire armored cable sheath, have it is reasonable in design, using steel band with
Two kinds of armourings of steel wire protect structure, and mechanical strength is big, improve load ability, cable is made to be able to bear stronger mechanical external force, electricity
The impact energy uptake of cable is big, and high temperature resistant, insulation effect is good, the strong advantage of anti-fire ability, so that effective solution is existing
Have and goes wrong in device and insufficient.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional structure schematic diagram of the utility model.
In figure: conductor 1, flame retardant coating 2, insulating layer 3, insulating sheath 4, filled layer 5, flame-retardant layer 6, inner sheath 7, the first armouring
Layer the 8, second armor 9, oversheath 10.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Figure 1 to Fig. 2, the utility model, which provides, has the flame-resistant insulation shaped steel wire armored cable for bearing mechanical external force
The particular technique embodiment of sheath: there is the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, including conductor
1, flame retardant coating 2, insulating layer 3, insulating sheath 4, filled layer 5, flame-retardant layer 6, inner sheath 7, the first armor 8, the second armor 9,
Oversheath 10；Conductor 1 is provided with everywhere in cross-shaped, and flame retardant coating 2 is wrapped in the outside of conductor 1；Insulating layer 3 is wrapped in
The outside of flame retardant coating 2, and insulating sheath 4 is wrapped in the outside of insulating layer 3；Flame-retardant layer 6 is wrapped in the outside of insulating sheath 4, and
Filled layer 5 is filled at the gap between flame-retardant layer 6 and insulating sheath 4；Inner sheath 7 is wrapped in the outside of flame-retardant layer 6；The
One armor 8 is wrapped in the outside of inner sheath 7, and the second armor 9 is wrapped in the outside of the first armor 8；Oversheath 10 wraps
It is rolled in the outside of the second armor 9.
The material of flame retardant coating 2 is mica tape, and flame retardant coating 2 is spirally wrapped around on the outer wall of conductor 1.
The material of insulating layer 3 is magnesium oxide powder, and insulating layer 3 is isolated by flame retardant coating 2 with insulating sheath 4.
The material of insulating sheath 4 is polyvinyl chloride.
The material of filled layer 5 is alkali-free glass fibre.
The material of flame-retardant layer 6 is fireproof glass silk ribbon.
Inner sheath 7 and oversheath 10 are low-smoke and halogen-free flame retardant polyolefin jacket.
First armor 8 is galvanized steel strip, and the first armor 8 is spirally wrapped around on the outer wall of inner sheath 7.
Second armor 9 is made of the zinc-coated wire that more circular array shapes are distributed, and the second armor 9 is in the shape of a spiral
It is wrapped on the outer wall of the first armor 8.
Specific implementation step: the outside of conductor 1 is directly wound with the flame retardant coating 2 of mica tape support, and flame retardant coating 2 is outer
Portion is enclosed with insulating layer 3 made of magnesium oxide powder, and the outside of insulating layer 3 is enclosed with insulating sheath 4, effectively increases in cable
The insulation and fire protecting performance in portion effectively extend conductor 1 in the normal working hours of the condition line of kindling, and in high temperature according to
The old insulation resistance that is able to maintain does not decline, and cable combines two kinds of armourings of steel band and steel wire, and it is whole effectively to enhance cable
The mechanical strength of body improves load ability, cable is made to be able to bear stronger mechanical external force；Internal filled layer 5 and flame-retardant layer 6
Flame retardant property is improved, inner sheath 7 made of low smoke halogen-free flame-retardant polyolefin and oversheath 10 will not discharge when burning poison gas
Body and dense smoke, it is slow to prolong speed.
In summary: this has the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, passes through flame retardant coating
Material is mica tape, and flame retardant coating is spirally wrapped around on the outer wall of conductor, and the material of insulating layer is magnesium oxide powder, and absolutely
Edge layer is isolated by flame retardant coating with insulating sheath, and the material of insulating sheath is the setting of polyvinyl chloride, and mica tape has insulation, resistance to height
Temperature, the advantages that thermal insulation is good, the outside for being directly wound in conductor effectively extends conductor in the normal work of the condition line of kindling
Time, and be still able to maintain insulation resistance in high temperature and do not decline, and magnesium oxide powder has stronger insulating properties, and will not
Burning, will not be combustion-supporting, long service life, and insulating sheath made of polyvinyl chloride has preferable mechanical performance, enhances cable
Internal mechanical strength；Material by filled layer is alkali-free glass fibre, and the material of flame-retardant layer is fireproof glass silk ribbon, interior shield
Set and oversheath are the setting of low-smoke and halogen-free flame retardant polyolefin jacket, and alkali-free glass fibre tensile strength is high, increase cable
Impact energy uptake, fireproof glass silk ribbon high temperature resistant, good heat-insulation effect, and fire protection flame retarding, improve the anti-fire of cable
Can, and toxic gas and dense smoke will not be discharged when low-smoke and halogen-free flame retardant polyolefin jacket burning, it is slow to prolong speed；Pass through the first armouring
Layer is galvanized steel strip, and the first armor is spirally wrapped around on the outer wall of inner sheath, the second armor by more in a ring
The zinc-coated wire composition of array-like distribution, and the second armor is spirally wrapped around the setting on the outer wall of the first armor,
Structure is protected using two kinds of armourings of steel band and steel wire, the mechanical strength of cable entirety is effectively enhanced, improves load ability, make electricity
Cable is able to bear stronger mechanical external force；By the improvement to steel wire armored cable sheath, have it is reasonable in design, using steel
Band protects structure with two kinds of armourings of steel wire, and mechanical strength is big, improves load ability, is able to bear cable stronger mechanical outer
The impact energy uptake of power, cable is big, and high temperature resistant, insulation effect is good, the strong advantage of anti-fire ability, thus effective solution
It goes wrong in existing apparatus and insufficient.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. have bear mechanical external force flame-resistant insulation shaped steel wire armored cable sheath, comprising: conductor (1), flame retardant coating (2), absolutely
Edge layer (3), insulating sheath (4), filled layer (5), flame-retardant layer (6), inner sheath (7), the first armor (8), the second armor
(9), oversheath (10)；It is characterized by: the conductor (1) is provided with everywhere in cross-shaped, and flame retardant coating (2) is wrapped in
The outside of conductor (1)；The insulating layer (3) is wrapped in the outside of flame retardant coating (2), and insulating sheath (4) is wrapped in insulating layer (3)
Outside；The flame-retardant layer (6) is wrapped in the outside of insulating sheath (4), and filled layer (5) be filled with flame-retardant layer (6) with
At gap between insulating sheath (4)；The inner sheath (7) is wrapped in the outside of flame-retardant layer (6)；First armor (8)
It is wrapped in the outside of inner sheath (7), and the second armor (9) is wrapped in the outside of the first armor (8)；The oversheath (10)
It is wrapped in the outside of the second armor (9).
2. according to claim 1 have the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, feature
Be: the material of the flame retardant coating (2) is mica tape, and flame retardant coating (2) is spirally wrapped around on the outer wall of conductor (1).
3. according to claim 1 have the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, feature
Be: the material of the insulating layer (3) is magnesium oxide powder, and insulating layer (3) is isolated by flame retardant coating (2) with insulating sheath (4).
4. according to claim 1 have the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, feature
Be: the material of the insulating sheath (4) is polyvinyl chloride.
5. according to claim 1 have the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, feature
Be: the material of the filled layer (5) is alkali-free glass fibre.
6. according to claim 1 have the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, feature
Be: the material of the flame-retardant layer (6) is fireproof glass silk ribbon.
7. according to claim 1 have the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, feature
Be: the inner sheath (7) and oversheath (10) are low-smoke and halogen-free flame retardant polyolefin jacket.
8. according to claim 1 have the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, feature
Be: first armor (8) is galvanized steel strip, and the first armor (8) is spirally wrapped around the outer wall of inner sheath (7)
On.
9. according to claim 1 have the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force, feature
It is: the zinc-coated wire composition of the second armor (9) You Duogen circular array shape distribution, and the second armor (9) is in
Spiral wound is on the outer wall of the first armor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920882601.8U CN209674917U (en) | 2019-06-13 | 2019-06-13 | With the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920882601.8U CN209674917U (en) | 2019-06-13 | 2019-06-13 | With the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209674917U true CN209674917U (en) | 2019-11-22 |
Family
ID=68575775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920882601.8U Expired - Fee Related CN209674917U (en) | 2019-06-13 | 2019-06-13 | With the flame-resistant insulation shaped steel wire armored cable sheath for bearing mechanical external force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209674917U (en) |
-
2019
- 2019-06-13 CN CN201920882601.8U patent/CN209674917U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 Termination date: 20210613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |