CN206249915U - A kind of light rail underground railway vehicle full-shield multi-core controlled cable - Google Patents

Abstract

The utility model discloses a kind of light rail underground railway vehicle full-shield multi-core controlled cable, it is related to rail traffic vehicles accessory cables technical field.Tin plating soft copper core conductive cable core outside extrudes one layer of irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer compositing monomer insulated conductive wires core, monomer insulated conductive wires core is formed a team stranding two-by-two, and in the metal knitted sub-shield composition split screen line pair of outer braid of two groups of monomer insulated conductive wires core strandings, two pairs of split screen lines to stranding of forming a team again, the good split conductor of stranding puts up wrapped fire-retardant heatproof flexible polyester band layer to outside using overlap, the wrapped metal knitted total screen layer in fire-retardant heatproof flexible polyester band layer outside does full-shield, the outermost layer of metal knitted total screen layer is flexible environment friendly cross-linking radiation polyolefin external sheath layer.It possesses the multinomial specific function such as water-fast, oil resistant, wear-resisting, ageing-resistant, weatherability.It is modern railway transportation vehicle light rail underground railway vehicle full-shield multi-core controlled cable traction and supporting essential.

Description

A kind of light rail underground railway vehicle full-shield multi-core controlled cable

Technical field：

The utility model is related to a kind of light rail underground railway vehicle full-shield multi-core controlled cable, belongs to rail traffic vehicles and matches somebody with somebody Set field of cable technology.

Background technology：

Urban track traffic has that freight volume is big, speed fast, safety, on schedule, the spy such as environmental protection, energy saving and land used Point, countries in the world increase development process.China's Development of China's Urbanization was very fast in recent years, and the urbanization rate in the whole nation will be huge more than 60% Big population will pour in city, it is meant that public transport need to bear more freight volumes.Coming years urban track traffic will be located In the situation of supply-less-than-demand.Countries in the world it is well recognized that：The fundamental solution for solving the traffic problems in city is to first develop It is the supporting urban rail of key intercity public transport and subway with track traffic.Track traffic is to significantly improve traffic transport power The mode of supply capacity, can provide basic guarantee to alleviate traffic congestion.The hair of the city rail of China's high speed development in recent years Exhibition shows, it is the important channel of domestic communication congestion problem of releiving to greatly develop city rail.With the day of urban traffic blocking Beneficial serious, track traffic development in domestic city will further raise speed.Chinese city track traffic develops with prosperity of having passed by 15 years Country's development course of 100 years, the technology and equipment of track traffic is also moved towards autonomy-oriented, domestic is melted from original dependence on import Hair.The light rail underground railway vehicle safe operation speed per hour of the particularly nearly period designed, designed exploitation of China reaches 420 kilometers and has become Reality, imply that the track traffic cause Chaoyang of China's high speed development is flourishing；Expect the year two thousand twenty, National urban track traffic visitor Freight volume is by more than 20,000,000,000 person-times, this causes that the market prospects that track is equipped are huge, and warp-wise construction perfects industrial chain development, many Enterprise is intended to enter the production and supply field of equipment.According to market and modern railway transportation technological development requirement, with reference to state Outer advanced technology makes reference, and we develop a kind of light rail underground railway vehicle full-shield multi-core controlled cable.This cable possesses soft Soft, high fire-retardance, water-fast, oil resistant, wear-resisting, ageing-resistant, resistance to high/low temperature, weatherability etc. are multinomial to meet the supporting spy of light rail underground railway vehicle Different functional requirement.Thus, traditional supporting and external import product cable is light be not suitable with that China's independent intellectual property right develops Rail railcar it is supporting, it is necessary to update and improve.

Utility model content：

Regarding to the issue above, the technical problems to be solved in the utility model there is provided a kind of light rail underground railway vehicle with full frame Cover multi-core controlled cable, its not only have environmental protection, it is soft, with fire resisting, smokeless nontoxic, resistance to combustion, it is fire retardant, ageing-resistant, resistance to it is high, The items excellent properties such as low temperature, weatherability, environment protecting is splendid, and simple structure, mature preparation process, helps to reduce and makes This is caused, meets CHINESE INDUSTRIES policy, and be external tradition import substitute, it is adaptable to modern light rail underground railway vehicle synthesis Support the use.

Light rail underground railway vehicle of the present utility model full-shield multi-core controlled cable.It includes tin plating soft copper core conductive cable core 1st, irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer 2, metal knitted sub-shield 3, fire-retardant heatproof flexible polyester band layer 4, Metal knitted total screen layer 5 and flexible environment friendly cross-linking radiation polyolefin external sheath layer 6, the outside of tin plating soft copper core conductive cable core 1 are squeezed One layer of compositing monomer insulated conductive wires core of irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer 2 of bag, monomer insulated conductive wires core two Two form a team stranding, and in the metal knitted composition of the sub-shield 3 split screen line of outer braid of two groups of monomer insulated conductive wires core strandings Right, two pairs of split screen lines to stranding of forming a team again, it is flexible that the good split conductor of stranding puts up wrapped fire-retardant heatproof to outside using overlap Polyester band layer 4, the wrapped metal knitted total screen layer 5 in outside of fire-retardant heatproof flexible polyester band layer 4 does full-shield, metal knitted The outermost layer of total screen layer 5 is flexible environment friendly cross-linking radiation polyolefin external sheath layer 6.

Preferably, described tin plating soft copper core conductive cable core 1 is led by the soft copper of many tin plating soft copper silk bundle strands Body.

Preferably, described irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer 2 is irradiation crosslinked polyolefin insulating material Material is made.

Preferably, the metal knitted sub-shield 3 is formed for tin plating soft thin copper wire braiding, it is comprehensive to play the extraneous electricity of shielding Magnetic disturbance is acted on；

Preferably, described fire-retardant heatproof flexible polyester band layer 4 plays a part of to tighten isolation and equilibrium stress.

Preferably, described metal knitted total screen layer 5, is formed using the tin plating soft copper braiding of five classes, screen is fully played Cover external electromagnetic wave interference, it is ensured that internal each split screen line sets up another the effect of neutral ground core to preferably work.

Preferably, after described flexible environment friendly cross-linking radiation polyolefin external sheath layer 6 is irradiated, physical property is added By force, waterproof, heatproof, weather-proof, anti-scratch mill, cut resistant, fire resisting, resistance to combustion, fire retardant, ageing-resistant, smokeless nontoxic multi-functional is fully played Effect.

The beneficial effects of the utility model：It is many that it possesses water-fast, oil resistant, wear-resisting, ageing-resistant, resistance to high/low temperature, weatherability etc. Item specific function.Be the traction of modern railway transportation vehicle light rail underground railway vehicle full-shield multi-core controlled cable and it is supporting must Choosing, detects through censorship authoritative institution, and product physical and mechanical properties completely arrives at external high-end supporting demand, is replacing for external import For product, its wide market.

Brief description of the drawings：

For ease of explanation, the utility model is described in detail by following specific implementations and accompanying drawing.

Fig. 1 is structural representation of the present utility model；

Fig. 2 is tin plating soft copper core conductive cable core, irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer, gold in the utility model The attachment structure schematic diagram of category woven separated-shielding layer.

Reference：

Tin plating soft copper core conductive cable core 1, irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer 2, metal knitted sub-shield 3rd, fire-retardant heatproof flexible polyester band layer 4, metal knitted total screen layer 5 and flexible environment friendly cross-linking radiation polyolefin external sheath layer 6.

Specific embodiment：

As shown in Figure 1-2, this specific embodiment uses following technical scheme：It comprising tin plating soft copper core conductive cable core 1, Irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer 2, metal knitted sub-shield 3, fire-retardant heatproof flexible polyester band layer 4, gold Category braided overall-shielding layer 5 and flexible environment friendly cross-linking radiation polyolefin external sheath layer 6, the outside of tin plating soft copper core conductive cable core 1 extrudes One layer of compositing monomer insulated conductive wires core of irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer 2, monomer insulated conductive wires core is two-by-two Form a team stranding, and in the metal knitted composition of the sub-shield 3 split screen line pair of outer braid of two groups of monomer insulated conductive wires core strandings, Two pairs of split screen lines to stranding of forming a team again, the good split conductor of stranding puts up wrapped fire-retardant heatproof flexible polyester to outside using overlap Band layer 4, the wrapped metal knitted total screen layer 5 in outside of fire-retardant heatproof flexible polyester band layer 4 does full-shield, metal knitted total screen The outermost layer for covering layer 5 is flexible environment friendly cross-linking radiation polyolefin external sheath layer 6.

Wherein, described tin plating soft copper core conductive cable core 1 is by many soft copper conductors of tin plating soft copper silk bundle strand；Institute The irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer 2 stated is for irradiation crosslinked polyolefin insulating material is made；The metal Woven separated-shielding layer 3 is formed for tin plating soft thin copper wire braiding, comprehensive to play shielding outside electromagnetic interference；Described fire-retardant heatproof Flexible polyester band layer 4 plays a part of to tighten isolation and equilibrium stress；Described metal knitted total screen layer 5, is to use five The tin plating soft copper braiding of class is formed, and fully plays shielding external electromagnetic wave interference, it is ensured that internal each split screen line is set up another to preferably work Neutral ground core is acted on；After described flexible environment friendly cross-linking radiation polyolefin external sheath layer 6 is irradiated, physical property is added By force, waterproof, heatproof, weather-proof, anti-scratch mill, cut resistant, fire resisting, resistance to combustion, fire retardant, ageing-resistant, smokeless nontoxic multi-functional is fully played Effect.

General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model Claimed scope is by appending claims and its equivalent thereof.

Claims (5)

1. a kind of light rail underground railway vehicle full-shield multi-core controlled cable, it is characterised in that：It includes tin plating soft copper core cable Core (1), irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer (2), metal knitted sub-shield (3), fire-retardant heatproof flexible polyester Band layer (4), metal knitted total screen layer (5) and flexible environment friendly cross-linking radiation polyolefin external sheath layer (6), tin plating soft copper core are led Cable core (1) outside extrudes one layer of irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer (2) compositing monomer insulated conductive wires core, single Body insulated conductive wires core is formed a team stranding two-by-two, and in two groups of metal knitted split screens of outer braid of monomer insulated conductive wires core stranding Layer (3) composition split screen line pair is covered, two pairs of split screen lines to stranding of forming a team again, the good split conductor of stranding is put up to outside using overlap Wrapped fire-retardant heatproof flexible polyester band layer (4), the wrapped metal knitted total shielding in fire-retardant heatproof flexible polyester band layer (4) outside Layer (5) does full-shield, and the outermost layer of metal knitted total screen layer (5) is flexible environment friendly cross-linking radiation polyolefin external sheath layer (6).

2. according to a kind of light rail underground railway vehicle full-shield multi-core controlled cable described in claim 1, it is characterised in that：It is described Tin plating soft copper core conductive cable core (1) be by many soft copper conductors of tin plating soft copper silk bundle strand.

3. according to a kind of light rail underground railway vehicle full-shield multi-core controlled cable described in claim 1, it is characterised in that：It is described Irradiated crosslinking low-smoke and halogen-free polyolefin inner insulating layer (2) be made for irradiation crosslinked polyolefin insulating material.

4. according to a kind of light rail underground railway vehicle full-shield multi-core controlled cable described in claim 1, it is characterised in that：It is described Metal knitted sub-shield (3) forms for tin plating soft thin copper wire braiding.

5. according to a kind of light rail underground railway vehicle full-shield multi-core controlled cable described in claim 1, it is characterised in that：It is described Metal knitted total screen layer (5) formed using the braiding of five classes tin plating soft copper.