CN208985749U - A kind of fire resisting resistance to compression band-armored - Google Patents
A kind of fire resisting resistance to compression band-armored Download PDFInfo
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- CN208985749U CN208985749U CN201821525030.4U CN201821525030U CN208985749U CN 208985749 U CN208985749 U CN 208985749U CN 201821525030 U CN201821525030 U CN 201821525030U CN 208985749 U CN208985749 U CN 208985749U
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Abstract
The utility model discloses a kind of fire resisting resistance to compression band-armoreds of power cable technical field, including external shielding layer, the inner cavity of the external shielding layer is evenly arranged with conductor, polypropylene layer is filled between the external shielding layer and conductor, the outer wall of the conductor is provided with internal shield, the outer wall of the internal shield is provided with polyvinyl chloride insulation layer, the outer wall of the polyvinyl chloride insulation layer is provided with polyethylene oxygen barrier layer, this kind of fire resisting resistance to compression band-armored, design is reasonable, it is practical, external shielding layer and internal shield mating reaction, conductor is avoided shelf depreciation occurs and generates spark, polyethylene oxygen barrier layer has completely cut off oxygen and has contacted with conductor, play fire-retardant effect, reinforce the refractory ability of cable, armouring tape strengthens the overall stiffness of cable, pressure-resistent ring further strengthens the rigidity of cable, supporting block and compression block are matched Cooperation is used, and anti-pressure ability of cable when by external force is further strengthened.
Description
Technical field
The utility model relates to power cable technical field, specially a kind of fire resisting resistance to compression band-armored.
Background technique
Cable to transmit electric (magnetic) can, information and the wire product for realizing electromagnetic energy conversion, usually by several or several groups
Conducting wire (every group at least two) is twisted, mutually insulated between every group of conducting wire, and is often twisted into around a center, entire outer
Bread has the coating of high-insulation, has interior energization, the feature of external insulation.It is used in the fields such as industry, coal mine and electric power
Cable, it is all especially high to the requirement in terms of the fire resisting compressive property of cable, such as in incinerator, igniter etc. hot industry
It in environment, needs the fire resisting compressive property of cable strong, if the fire resisting compressive property of cable is poor, will affect the work in these fields
Make benefit and the safety of staff.For this purpose, it is proposed that a kind of fire resisting resistance to compression band-armored.
Utility model content
The purpose of this utility model is to provide a kind of fire resisting resistance to compression band-armoreds, to solve in above-mentioned background technique
If the fire resisting compressive property of the cable proposed is poor, working efficiency in these fields and the safety of staff will affect
Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of fire resisting resistance to compression band-armored, packet
External shielding layer is included, the inner cavity of the external shielding layer is evenly arranged with conductor, and poly- third is filled between the external shielding layer and conductor
Alkene layer, the outer wall of the conductor are provided with internal shield, and the outer wall of the internal shield is provided with polyvinyl chloride insulation layer, described
The outer wall of polyvinyl chloride insulation layer is provided with polyethylene oxygen barrier layer, and the outer wall of the external shielding layer is provided with protection in polyvinyl chloride
Set, the outer wall of the polyvinyl chloride internal protective cover are provided with armouring tape, and the outer wall of the armouring tape is provided with polyvinyl chloride
Outer jointing jacket, the outer wall of the polyvinyl chloride outer jointing jacket are provided with Mica tape layer, the outside of the Mica tape layer
It is provided with resistance to compression layer, the outer wall of the resistance to compression layer is provided with neoprene oversheath.
Preferably, the resistance to compression layer includes pressure-resistent ring, and the outer wall integrated molding of the pressure-resistent ring is connected with supporting block, and props up
The shape of bracer is U-shaped, and the recess of each adjacent two supporting block is integrally formed and is connected with compression block, and the resistance to compression layer is rubber
Resistance to compression layer.
Preferably, the internal shield and external shielding layer are foil shielding layer.
Preferably, the quantity of the conductor is at least five.
Preferably, the number of plies of the Mica tape layer is three layers.
Compared with prior art, the utility model has the beneficial effects that this kind of fire resisting resistance to compression band-armored, design is closed
Reason, practical, external shielding layer and internal shield mating reaction avoid conductor and shelf depreciation occur and generates spark, poly- second
Alkene oxygen barrier layer has completely cut off oxygen and has contacted with conductor, plays fire-retardant effect, reinforces the refractory ability of cable, and armouring tape strengthens
The overall stiffness of cable, pressure-resistent ring further strengthen the rigidity of cable, supporting block and compression block mating reaction, further strengthen electricity
Anti-pressure ability of cable when by external force.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model resistance to compression layer longitudinal sectional drawing.
In figure: 1 conductor, 2 internal shields, 3 polyvinyl chloride insulation layers, 4 polyethylene oxygen barrier layers, 5 polypropylene layers, 6 external shields
Layer, 7 polyvinyl chloride internal protective covers, 8 armouring tapes, 9 polyvinyl chloride outer jointing jackets, 10 Mica tape layers, 11 resistance to compression layers, 111
Pressure-resistent ring, 112 supporting blocks, 113 compression blocks, 12 neoprene oversheaths.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of fire resisting resistance to compression band-armored, including
External shielding layer 6, the inner cavity of the external shielding layer 6 are evenly arranged with conductor 1, filled with poly- between the external shielding layer 6 and conductor 1
Propylene layer 5, the outer wall of the conductor 1 are provided with internal shield 2, and the outer wall of the internal shield 2 is provided with polyvinyl chloride insulation
Layer 3, the outer wall of the polyvinyl chloride insulation layer 3 is provided with polyethylene oxygen barrier layer 4, and the outer wall of the external shielding layer 6 is provided with poly-
Vinyl chloride internal protective cover 7, the outer wall of the polyvinyl chloride internal protective cover 7 are provided with armouring tape 8, the armouring tape 8 it is outer
Wall is provided with polyvinyl chloride outer jointing jacket 9, and the outer wall of the polyvinyl chloride outer jointing jacket 9 is provided with Mica tape layer 10, institute
The outside for stating Mica tape layer 10 is provided with resistance to compression layer 11, and the outer wall of the resistance to compression layer 11 is provided with neoprene oversheath
12。。
Wherein, the resistance to compression layer 11 includes pressure-resistent ring 111, and the outer wall integrated molding of the pressure-resistent ring 111 is connected with support
Block 112, and the shape of supporting block 112 is U-shaped, the recess of each adjacent two supporting block 112 is integrally formed and is connected with compression block
113, the resistance to compression layer 11 is rubber resistance to compression layer, and the internal shield 2 and external shielding layer 6 are foil shielding layer, the conductor 1
Quantity be at least five, the number of plies of the Mica tape layer 10 is three layers.
Working principle: conductor 1 is twisted by stranded conductor, and internal shield 2 is extruded in the outer wall of conductor 1, external shield
Layer 6 is extruded in the outer wall of polypropylene layer 5, can be homogenized the electric field of conductive surface, prevents internal field from concentrating and discharging, polyethylene
Oxygen barrier layer 4 has completely cut off oxygen and has contacted with conductor 1, plays fire-retardant effect, reinforces the refractory ability of cable, and polypropylene layer 5 is filled
In the gap of cable, so that the construction of cable is stable, becomes rounding, polyvinyl chloride internal protective cover 7, armouring tape 8 and polychlorostyrene second
Alkene outer jointing jacket 9 cooperates jointly, plays the rigidity for reinforcing cable, and Mica tape layer 10 is protected inside cable within a certain period of time
It is not influenced by external high temperature, makes cable at high temperature, remained in the case where neoprene oversheath 12 and resistance to compression layer 11 damage
There is certain insulation performance by mica, when compression block 113 is under pressure, supporting block 112 is supported, and pressure-resistent ring 111 is protected
The internal structure of cable is protected, resistance to compression layer 11 strengthens the anti-pressure ability of cable.
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 (5)
1. a kind of fire resisting resistance to compression band-armored, including external shielding layer (6), it is characterised in that: the external shielding layer (6) it is interior
Chamber is evenly arranged with conductor (1), is filled with polypropylene layer (5) between the external shielding layer (6) and conductor (1), the conductor (1)
Outer wall be provided with internal shield (2), the outer wall of the internal shield (2) is provided with polyvinyl chloride insulation layer (3), the polychlorostyrene
The outer wall of ethylene insulating layer (3) is provided with polyethylene oxygen barrier layer (4), and the outer wall of the external shielding layer (6) is provided with polyvinyl chloride
The outer wall of internal protective cover (7), the polyvinyl chloride internal protective cover (7) is provided with armouring tape (8), the armouring tape (8)
Outer wall is provided with polyvinyl chloride outer jointing jacket (9), and the outer wall of the polyvinyl chloride outer jointing jacket (9) is provided with Mica tape layer
(10), the outside of the Mica tape layer (10) is provided with resistance to compression layer (11), and the outer wall of the resistance to compression layer (11) is provided with chlorine
Buna oversheath (12).
2. a kind of fire resisting resistance to compression band-armored according to claim 1, it is characterised in that: resistance to compression layer (11) packet
It including pressure-resistent ring (111), the outer wall integrated molding of the pressure-resistent ring (111) is connected with supporting block (112), and supporting block (112)
Shape is U-shaped, and the recess of each adjacent two supporting block (112), which is integrally formed, to be connected with compression block (113), the resistance to compression layer
It (11) is rubber resistance to compression layer.
3. a kind of fire resisting resistance to compression band-armored according to claim 1, it is characterised in that: the internal shield (2)
It is foil shielding layer with external shielding layer (6).
4. a kind of fire resisting resistance to compression band-armored according to claim 1, it is characterised in that: the number of the conductor (1)
Amount is at least five.
5. a kind of fire resisting resistance to compression band-armored according to claim 1, it is characterised in that: the Mica tape layer
(10) the number of plies is three layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525030.4U CN208985749U (en) | 2018-09-18 | 2018-09-18 | A kind of fire resisting resistance to compression band-armored |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525030.4U CN208985749U (en) | 2018-09-18 | 2018-09-18 | A kind of fire resisting resistance to compression band-armored |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208985749U true CN208985749U (en) | 2019-06-14 |
Family
ID=66784582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821525030.4U Active CN208985749U (en) | 2018-09-18 | 2018-09-18 | A kind of fire resisting resistance to compression band-armored |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208985749U (en) |
-
2018
- 2018-09-18 CN CN201821525030.4U patent/CN208985749U/en active Active
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