CN209561070U - A kind of dynamic control composite rope of the fire-retardant rail traffic of A class - Google Patents

Abstract

The utility model discloses a kind of dynamic control composite ropes of fire-retardant rail traffic of A class, it from the inside to the outside successively include general belt layer, fire-resistant waterproof layer and outer jacket, direct current cables and control cable unit are enclosed in general belt layer, gap in general belt layer is equipped with packing material, controlling cable unit includes the control cable set gradually from the inside to the outside, control tape for cables layer, control cable braid and control protective coverings of cable, control number of cables is at least the six roots of sensation, wherein two control cables are center cable for definition, remaining control cable is peripheral cable, two center cables are arranged side by side, peripheral cable is annular in shape to be centered around two center cable peripheries, fire-resistant waterproof layer and outer jacket meet 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, and roundness is high.

Description

A kind of dynamic control composite rope of the fire-retardant rail traffic of A class

Technical field

The utility model relates to Rail Transit System and cable machinery technical field more particularly to a kind of fire-retardant tracks of A class The dynamic control composite rope of traffic.

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 dynamic control composite rope of fire-retardant rail traffic of A class, in synchronous transmitting power and While controlling semiotic function, the fire-retardant high flame resistance of A class is realized, while also there is protection against rodents, ant proof, antiultraviolet, resist and open The advantages that splitting；Further, additionally it is possible to which the roundness for improving entire composite rope, improving indirectly while improving presentation quality makes Use the service life.

The technical solution adopted in the utility model are as follows:

A kind of dynamic control composite rope of the fire-retardant rail traffic of A class successively includes general belt layer, fire-resistant waterproof layer and outer from the inside to the outside Sheath, direct current cables and control cable unit are enclosed in general belt layer, and the gap in general belt layer is equipped with packing material；Institute Stating direct current cables quantity is one, and the control cable unit includes the control cable set gradually from the inside to the outside, control cable Belting layer, control cable braid and control protective coverings of cable, control number of cables are at least the six roots of sensation；Definition wherein two control Cable is center cable, remaining control cable is peripheral cable, and two center cables are arranged side by side, and peripheral cable is annular in shape to enclose It is wound on two center cable peripheries；The fire-resistant waterproof layer uses the high flame resistance, low smoke halogen-free flameproof 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.

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.

Further, the direct current cables conductor uses the 5th class copper conductor.

Further, it is equipped between the contact point and peripheral cable of two center cables and guarantees peripheral cable institute collarette shape circle The packing of whole degree.

Further, it contacts with each other between adjacent peripheral cable.

Further, the control cable includes the control cable for controlling cable conductor and being arranged in outside control cable conductor 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 the utility model as fire-resistant waterproof layer A class flame-retardancy requirements can be met, guarantee the anti-flammability and safety of the utility model；It is set by the gap in general belt layer Packing material is set, guarantees the roundness of entire composite rope, also avoid direct current cables simultaneously and controls the shaking of cable, guarantees this reality With novel whole security performance；

(2) by the way that packing is arranged between the contact point and peripheral cable of two center cables, guarantee peripheral cable institute The roundness of collarette shape, and then guarantee the roundness of entire control cable unit, guarantee the steady of control cable unit internal structure It is qualitative；

(3) by that will be set as contacting with each other between adjacent peripheral cable, make between all peripheral cables mutually closely, to protect The structural stability of the enclosed annulus of peripheral cable is demonstrate,proved, and then ensures 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, packing；4, tape for cables layer is controlled；5, cable is controlled Braiding layer；6, protective coverings of cable is controlled；7, direct current cables conductor；8, direct current cables insulating layer；9, packing material；10, general belt Layer；11, fire-resistant waterproof layer；12, outer jacket.

Specific embodiment

As shown in Figure 1, the utility model successively includes general belt layer 10, fire-resistant waterproof layer 11 and outer jacket from the inside to the outside 12, direct current cables and control cable unit are enclosed in general belt layer 10, the gap in general belt layer 10 is equipped with packing material 9；The direct current cables quantity is one, and the control cable unit includes the control cable set gradually from the inside to the outside, control Tape for cables layer 4, control cable braid 5 and control protective coverings of cable 6, control number of cables are at least the six roots of sensation；Definition is wherein Two control cables are center cable, remaining control cable is peripheral cable, and two center cables are arranged side by side, and peripheral cable is in Annular shape is centered around two center cable peripheries；The fire-resistant waterproof layer 11 is using the high flame resistance, low smoke for meeting A class flame-retardancy requirements Halogen-free flameproof material, outer jacket 12 using meet A class flame-retardancy requirements high fire-retardance termite-resistant rodent-resistant antiultraviolet cracking resistance low cigarette without Halogen fire retardant jacket.

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.

The utility model successively includes general belt layer 10, fire-resistant waterproof layer 11 and outer jacket 12, fire-resistant waterproof from the inside to the outside Layer 11 meets waterproof requirement and flame-retardancy requirements, outer jacket 12 using the high flame resistance, low smoke halogen-free flameproof material for meeting A class flame-retardancy requirements Using the low-smoke halogen-free flame-retardant sheath for the high fire-retardance termite-resistant rodent-resistant antiultraviolet cracking resistance for meeting A class flame-retardancy requirements.General belt layer Be enclosed in 10 direct current cables and control cable unit, between general belt layer 10 and direct current cables and general belt layer 10 and control electricity Gap between cable unit is equipped with packing material 9, and packing material 9 can guarantee the roundness of the utility model entirety.

The quantity of direct current cables is one, and direct current cables includes direct current cables conductor 7 and is arranged outside direct current cables conductor 7 Direct current cables insulating layer 8.Direct current cables conductor 7 uses the 5th class copper conductor, and the 5th class copper conductor is drawn using good TR1 copper wire Silk, bundle strand, twisted stranding distance are smaller, improve the bendability and flexibility of conductor, meet rail traffic private cable and need to be bent Requirement；Direct current cables insulating layer 8 uses silane coupling ethylene propylene rubber insulating layer.

Control cable unit includes the control cable set gradually from the inside to the outside, control tape for cables layer 4, control cable volume Tissue layer 5 and control protective coverings of cable 6, control number of cables is at least six roots of sensation.Cable braid 5 is controlled to realize using proof copper-wire braided Shielding, prevents the interference of outer signals.Control cable includes the control for controlling cable conductor 1 and being arranged in outside control cable conductor 1 Cable insulation 2 processed, control cable conductor 1 use the 5th class copper conductor.

It is preferred that control number of cables is eight, wherein two control cables are center cable, remaining six roots of sensation control electricity for definition Cable is peripheral cable, and two center cables are arranged side by side, and is constituted a circle by diameter of the outer diameter overall length of two core cables Space, the peripheral cable excircle annular in shape evenly around in circular space, every peripheral cable are electric with adjacent periphery Cable closely, is equipped with the filling for guaranteeing peripheral cable institute collarette shape roundness between the contact point and peripheral cable of two center cables Item 3.

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 (7)

1. a kind of dynamic control composite rope of fire-retardant rail traffic of A class, it is characterised in that: from the inside to the outside successively include general belt layer, fire-retardant Waterproof layer and outer jacket, direct current cables and control cable unit are enclosed in general belt layer, and the gap in general belt layer is equipped with Packing material；The direct current cables quantity is one, and the control cable unit includes the control electricity set gradually from the inside to the outside Cable, control tape for cables layer, control cable braid and control protective coverings of cable, control number of cables are at least the six roots of sensation；Definition Wherein two control cables are center cable, remaining control cable is peripheral cable, and two center cables are arranged side by side, periphery electricity Cable is annular in shape to be centered around two center cable peripheries；The fire-resistant waterproof layer is low using the high fire-retardance for meeting A class flame-retardancy requirements Cigarette halogen-free flameproof material, outer jacket using meet A class flame-retardancy requirements high fire-retardance termite-resistant rodent-resistant antiultraviolet cracking resistance low cigarette without Halogen fire retardant jacket.

2. the dynamic control composite rope of the fire-retardant rail traffic of A class according to claim 1, it is characterised in that: the direct current cables packet The direct current cables insulating layer for including direct current cables conductor and being arranged in outside direct current cables conductor.

3. the dynamic control composite rope of the fire-retardant rail traffic of A class according to claim 2, it is characterised in that: the direct current cables is exhausted Edge layer uses silane coupling ethylene propylene rubber insulating layer.

4. the dynamic control composite rope of the fire-retardant rail traffic of A class according to claim 2, it is characterised in that: the direct current cables is led Body uses the 5th class copper conductor.

5. the dynamic control composite rope of the fire-retardant rail traffic of A class according to claim 1, it is characterised in that: two center cables The packing for guaranteeing peripheral cable institute collarette shape roundness is equipped between contact point and peripheral cable.

6. the dynamic control composite rope of the fire-retardant rail traffic of A class according to claim 1 or 5, it is characterised in that: adjacent peripheral cable Between contact with each other.

7. the dynamic control composite rope of the fire-retardant rail traffic of A class according to claim 1 or 5, it is characterised in that: the control cable Including control cable conductor and the control cable insulation being arranged in outside control cable conductor.