CN209561069U - A kind of low-smoke non-halogen flame-retardant composite cable for rail traffic - Google Patents
A kind of low-smoke non-halogen flame-retardant composite cable for rail traffic Download PDFInfo
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- CN209561069U CN209561069U CN201920593574.2U CN201920593574U CN209561069U CN 209561069 U CN209561069 U CN 209561069U CN 201920593574 U CN201920593574 U CN 201920593574U CN 209561069 U CN209561069 U CN 209561069U
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Abstract
The utility model discloses a kind of low-smoke non-halogen flame-retardant composite cables for rail traffic, it from the inside to the outside successively include general belt layer, fire-resistant waterproof layer and outer jacket, a direct current cables and multiple control cable units are enclosed in general belt layer, multiple control cable units are uniformly arranged along direct current cables excircle, the control cable unit successively includes control protective coverings of cable from outside to inside, control cable braid, control tape for cables layer and control cable, controlling number of cables is two, two control cables are disposed side by side in control tape for cables layer, fire-resistant waterproof layer is using the high flame resistance, low smoke Halogen resistance material for meeting A class flame-retardancy requirements, outer jacket uses the low-smoke halogen-free flame-retardant sheath for meeting the high fire-retardance termite-resistant rodent-resistant antiultraviolet cracking resistance of A class flame-retardancy requirements；The utility model realizes the fire-retardant high flame resistance of A class while synchronous transmitting power and control semiotic function, while also having many advantages, such as protection against rodents, ant proof, antiultraviolet, cracking resistance.
Description
Technical field
The utility model relates to Rail Transit Systems and cable machinery technical field, more particularly to one kind to be used for rail traffic
Low-smoke non-halogen flame-retardant composite cable.
Background technique
Due in the rail traffics such as subway, light rail lay environment complexity and particularity, the anti-flammability of electric system,
The standard that safety and reliability needs to meet is all high, and wherein You Yiqi flame retardant property is most important.Track traffic cable is more
Easily cause great safety accident, therefore, currently, rail traffic once fire occurs in the underground high for population density
The flame retardant property of cabling requires the requirement for meeting A class in GB/T18380.3.Wherein, the dynamic control composite cable of rail traffic is
Suitable for the urban transportations aorta engineering project such as subway, light rail, suburban railway, tramcar voltage rating 1500V and
Dynamic control composite cable below, for realizing power transmission and control signal transmitting collaborative work, solve direct current cables and
The problems such as difficulty of construction is high, the construction time is long caused by control cable is individually laid, but the dynamic control compound electric of existing rail traffic
Cable often has two: (1) flame retardant property tends not to meet the A class flame-retardancy requirements in GB/T18380.3；(2) due to
It is different with direct current cables line footpath to control cable, causes the dynamic control composite cable roundness of rail traffic not high, not only influences appearance matter
Amount, and the cable service life smooth compared to appearance standard is shorter.
Utility model content
The purpose of the utility model is to provide a kind of low-smoke non-halogen flame-retardant composite cables for rail traffic, pass synchronous
While graduating power and control semiotic function, the fire-retardant high flame resistance of A class is realized, while also there is protection against rodents, ant proof, UV resistance
The advantages that line, cracking resistance；Further, additionally it is possible to the roundness for improving entire composite rope, while improving presentation quality between
It connects and improves service life.
The technical solution adopted in the utility model are as follows:
A kind of low-smoke non-halogen flame-retardant composite cable for rail traffic successively includes general belt layer, fire-retardant from the inside to the outside
Waterproof layer and outer jacket are enclosed with a direct current cables and multiple control cable units, multiple control cable lists in general belt layer
Member is uniformly arranged along direct current cables excircle；The control cable unit successively includes control protective coverings of cable, control from outside to inside
Cable braid, control tape for cables layer and control cable processed, control number of cables are two, and two control cables are arranged side by side
In control tape for cables layer；The fire-resistant waterproof layer is using the high fire-retardance termite-resistant rodent-resistant antiultraviolet for meeting A class flame-retardancy requirements
The low-smoke halogen-free flame-retardant sheath of cracking resistance.
Further, between adjacent control cable unit mutually closely.
Further, it is equipped between the control cable and corresponding control tape for cables layer and guarantees control cable unit rounding
The packing of degree.
Further, the control cable includes the control cable for controlling cable conductor and being arranged in outside control cable conductor
Insulating layer.
Further, the direct current cables includes direct current cables conductor and the direct current cables that is arranged in outside direct current cables conductor
Insulating layer.
Further, the direct current cables insulating layer uses silane coupling ethylene propylene rubber insulating layer.
The utility model has the following beneficial effects:
(1) by the way that direct current cables and control cable unit are arranged in belting layer, realize that power is synchronous with control signal
Transmitting solves the problems, such as that difficulty of construction is high in traditional single cable laying, the construction time is long, and using meeting, A class is fire-retardant to be wanted for cooperation
The low-smoke halogen-free flame-retardant sheath for the high fire-retardance termite-resistant rodent-resistant antiultraviolet cracking resistance asked makes this as fire-resistant waterproof layer and outer jacket
Utility model can meet A class flame-retardancy requirements, guarantee the anti-flammability and safety of the utility model；By by multiple control cables
Unit is arranged around the outer circle circumferential direction of direct current cables, guarantees the roundness of the utility model entirety, while also avoiding direct current
The shaking of cable and control cable, guarantees the security performance of the utility model entirety；
(2) by the way that packing is arranged between control cable and corresponding control tape for cables layer, guarantee each cable unit
Roundness and size it is uniform, and then guarantee the utility model internal structure stability；
(3) by mutually will closely be arranged between adjacent control cable unit, guarantee the enclosed annulus knot of control cable unit
The stability of structure, and then ensure the stability of entire control cable unit structure.
Detailed description of the invention
Fig. 1 is the cross section structure schematic diagram of the utility model.
Attached drawing table and explanation:
1, cable conductor is controlled；2, cable insulation is controlled；3, tape for cables layer is controlled；4, cable braid is controlled；5,
Control protective coverings of cable；6, packing；7, direct current cables conductor；8, direct current cables insulating layer；9, general belt layer；10, fire-retardant anti-
Water layer；11, outer jacket.
Specific embodiment
As shown in Figure 1, the utility model from the inside to the outside successively include general belt layer 9, fire-resistant waterproof layer 10 and outer jacket 11,
A direct current cables and multiple control cable units are enclosed in general belt layer 9, multiple control cable units are outside direct current cables
Even circumferential arrangement；The control cable unit from outside to inside successively include control protective coverings of cable 5, control cable braid 4,
Tape for cables layer 3 and control cable are controlled, control number of cables is two, and two control cables are disposed side by side on control cable packet
In belt 3；The fire-resistant waterproof layer 10 is using the high flame resistance, low smoke halogen-free flameproof material for meeting A class flame-retardancy requirements, the outer jacket
11 use the low-smoke halogen-free flame-retardant sheath for meeting the high fire-retardance termite-resistant rodent-resistant antiultraviolet cracking resistance of A class flame-retardancy requirements.
The utility model in order to better understand with reference to the accompanying drawing does furtherly the technical solution of the utility model
It is bright.
As shown in Figure 1, the utility model from the inside to the outside successively include general belt layer 9, fire-resistant waterproof layer 10 and outer jacket 11,
Fire-resistant waterproof layer 10 meets waterproof requirement and flame-retardancy requirements using the high flame resistance, low smoke halogen-free flameproof material for meeting A class flame-retardancy requirements,
Outer jacket 11 uses the low-smoke halogen-free flame-retardant sheath for meeting the high fire-retardance termite-resistant rodent-resistant antiultraviolet cracking resistance of A class flame-retardancy requirements.
A direct current cables and multiple control cable units are enclosed in general belt layer 9, the quantity of preferably control cable unit is six,
Six control cable units are uniformly arranged along direct current cables excircle, between adjacent control cable unit mutually closely, make to control
The circular ring structure that cable unit is constituted is more firm, and then guarantees the roundness and stability of the utility model entirety.
Direct current cables includes direct current cables conductor 7 and the direct current cables insulating layer 8 that is arranged in outside direct current cables conductor 7, directly
Flow cable conductor 7 and use the 5th class copper conductor, the 5th class copper conductor uses good TR1 copper wire wire drawing, bundle strand, twisted stranding distance compared with
It is small, the bendability and flexibility of conductor are improved, meets rail traffic private cable and needs curved requirement；Direct current cables insulation
Layer 8 uses silane coupling ethylene propylene rubber insulating layer.
Control cable unit successively includes control protective coverings of cable 5, control cable braid 4, control cable from outside to inside
Belting layer 3 and control cable, control number of cables are two, and two control cables are disposed side by side in control tape for cables layer 3.
And packing 6 is equipped between two control cables and corresponding control tape for cables layer 3, the circle of control cable unit where guaranteeing
Whole degree.It controls cable braid 4 and shielding is realized using proof copper-wire braided, the interference of outer signals can be effectively prevent.
Each control cable includes the control cable insulation for controlling cable conductor 1 and being arranged in outside control cable conductor 1
Layer 2, control cable conductor 1 use the 5th class copper conductor.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that,
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced, and these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (6)
1. a kind of low-smoke non-halogen flame-retardant composite cable for rail traffic, it is characterised in that: from the inside to the outside successively include total packet
Belt, fire-resistant waterproof layer and outer jacket are enclosed with a direct current cables and multiple control cable units, multiple controls in general belt layer
Cable unit processed is uniformly arranged along direct current cables excircle；The control cable unit successively includes outside control cable from outside to inside
Sheath, control cable braid, control tape for cables layer and control cable, control number of cables are two, two control cables
It is disposed side by side in control tape for cables layer；The fire-resistant waterproof layer is using the high flame resistance, low smoke Halogen for meeting A class flame-retardancy requirements
Flame-proof material, outer jacket use the low-smoke non-halogen flame-retardant for meeting the high fire-retardance termite-resistant rodent-resistant antiultraviolet cracking resistance of A class flame-retardancy requirements
Sheath.
2. the low-smoke non-halogen flame-retardant composite cable according to claim 1 for rail traffic, it is characterised in that: adjacent control
Between cable unit processed mutually closely.
3. the low-smoke non-halogen flame-retardant composite cable according to claim 1 or 2 for rail traffic, it is characterised in that: institute
State the packing for being equipped between control cable and corresponding control tape for cables layer and guaranteeing control cable unit roundness.
4. the low-smoke non-halogen flame-retardant composite cable according to claim 1 or 2 for rail traffic, it is characterised in that: institute
Stating control cable includes the control cable insulation for controlling cable conductor and being arranged in outside control cable conductor.
5. the low-smoke non-halogen flame-retardant composite cable according to claim 1 for rail traffic, it is characterised in that: described straight
Galvanic electricity cable includes direct current cables conductor and the direct current cables insulating layer that is arranged in outside direct current cables conductor.
6. the low-smoke non-halogen flame-retardant composite cable according to claim 2 for rail traffic, it is characterised in that: described straight
It flows cable insulation and uses silane coupling ethylene propylene rubber insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593574.2U CN209561069U (en) | 2019-04-28 | 2019-04-28 | A kind of low-smoke non-halogen flame-retardant composite cable for rail traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593574.2U CN209561069U (en) | 2019-04-28 | 2019-04-28 | A kind of low-smoke non-halogen flame-retardant composite cable for rail traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209561069U true CN209561069U (en) | 2019-10-29 |
Family
ID=68313970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920593574.2U Active CN209561069U (en) | 2019-04-28 | 2019-04-28 | A kind of low-smoke non-halogen flame-retardant composite cable for rail traffic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209561069U (en) |
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2019
- 2019-04-28 CN CN201920593574.2U patent/CN209561069U/en active Active
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