CN212208994U

CN212208994U - Cable for rail transit

Info

Publication number: CN212208994U
Application number: CN202021388619.1U
Authority: CN
Inventors: 李丹阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-12-22
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a cable for track traffic, including the cable core, the surface of cable core is provided with prevents dragging the core frame, it has the inoxidizing coating to prevent dragging to fill between core frame and the cable core, the inoxidizing coating parcel is whole to prevent dragging core frame and cable core, the surface of inoxidizing coating is provided with the epidermal layer. This cable for track traffic, prevent dragging the core frame through setting up by connecting stub wire and wire component, make this cable have certain performance of preventing dragging, the inside of aluminum material's wire and the connection stub wire of iron material simultaneously, all can switch on current, make animals such as mouse when gnawing the cable conductor, can be shocked by the electric current, power supply system detects out the change of electric current simultaneously, can gnawing the surface of this cable and sting and supervise, because the cable core is located prevents dragging the inside of core frame, make the mouse when not gnawing the cable core, will be detected, thereby be convenient for protect the cable core, reduce the loss.

Description

Cable for rail transit

Technical Field

The utility model relates to a track traffic technical field specifically is a cable for track traffic.

Background

Rail transit has long emerged as a public transport in cities. Plays an increasingly important role. The history of traffic development in cities of economically developed countries tells that an effective way for fundamentally improving urban public traffic conditions is only to adopt an urban rail transit system for carrying large amounts of passengers.

With the rapid development of urban rail transit industry, the demand of cables for rail transit is increasing. The material performance of the existing common rail transit cable can not meet the requirements of rail transit, for example, an underground rail transit cable is in a dark and humid underground for a long time and is easy to be corroded by chemical components in soil and bitten by insects such as mice and the like.

Therefore, we propose a cable for rail transit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable for track traffic to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cable for track traffic comprises a cable core, wherein an anti-pulling core frame is arranged on the outer surface of the cable core, a protective layer is filled between the anti-pulling core frame and the cable core, the protective layer wraps the whole anti-pulling core frame and the cable core, and a surface layer is arranged on the surface of the protective layer;

the cable core is composed of a copper inner core, an insulating layer and a reinforced surface layer, wherein the insulating layer is made of polyurethane rubber, the reinforced surface layer is made of epoxy resin, and the thickness of the reinforced surface layer is 0.3 cm;

the anti-pulling core frame is composed of four metal wires and connecting short wires, the four metal wires are distributed in a rectangular shape and wrapped outside the cable core, and two adjacent metal wires are fixedly connected through the connecting short wires.

Preferably, the protective layer is made of silicon rubber, a plurality of rock wool ropes are arranged inside the protective layer, the length of each rock wool rope is 20-30cm, and the diameter of each rock wool rope is 0.1 cm.

Preferably, the epidermal layer comprises anticorrosive coating, waterproof layer and enhancement layer, the material of anticorrosive coating is PTFE anticorrosive paint, the material of waterproof layer is polyurethane waterproof paint, the material of enhancement layer is transparent ya keli.

Preferably, the metal wire is made of aluminum, and the connecting short wire is made of iron.

Advantageous effects

The utility model provides a cable for track traffic possesses following beneficial effect:

1. this cable for track traffic, prevent dragging the core frame through setting up by connecting stub wire and wire component, make this cable have certain performance of preventing dragging, the inside of aluminum material's wire and the connection stub wire of iron material simultaneously, all can switch on current, make animals such as mouse when gnawing the cable conductor, can be shocked by the electric current, power supply system detects out the change of electric current simultaneously, can gnawing the surface of this cable and sting and supervise, because the cable core is located prevents dragging the inside of core frame, make the mouse when not gnawing the cable core, will be detected, thereby be convenient for protect the cable core, reduce the loss.

2. This cable for track traffic, through setting up the inoxidizing coating between cable core and epidermal layer, the material of its inoxidizing coating is silicon rubber, and silicon rubber has excellent heat-proof quality, can reduce the heat flow direction phenomenon that the underground low temperature form led to the fact the cable, avoids low temperature to cause transmission loss, and the inside of inoxidizing coating is provided with a plurality of rock wool ropes simultaneously, and the improvement has improved the intensity of this cable.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic cross-sectional structure of the present invention;

fig. 4 is a schematic view of the structure of the skin layer of the present invention.

In the figure: 1 cable core, 101 copper inner core, 102 insulating layer, 103 strengthening surface layer, 2 anti-pulling core frame, 201 metal wire, 202 connecting short wire, 3 protective layer, 4 surface layer, 401 anticorrosive layer, 402 waterproof layer and 403 strengthening layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a cable for track traffic comprises a cable core 1, wherein an anti-pulling core frame 2 is arranged on the outer surface of the cable core 1, a protective layer 3 is filled between the anti-pulling core frame 2 and the cable core 1, the protective layer 3 wraps the whole anti-pulling core frame 2 and the cable core 1, and a surface layer 4 is arranged on the surface of the protective layer 3;

the cable core 1 consists of a copper inner core 101, an insulating layer 102 and a reinforced surface layer 103, wherein the insulating layer 102 is made of polyurethane rubber, the reinforced surface layer 103 is made of epoxy resin, and the thickness of the reinforced surface layer 103 is 0.3 cm;

prevent dragging the core frame 2 and constitute by four metal wire 201 and connection stub wire 202, four metal wire 201 become the rectangle and distribute, wrap up in the outside of cable core 1, through a plurality of connection stub wire 202 fixed connection between two adjacent metal wire 201, the material of metal wire 201 is aluminium, and the material of connecting stub wire 202 is iron.

The protective layer 3 is made of silicon rubber, a plurality of rock wool ropes are arranged inside the protective layer 3, the length of each rock wool rope is 20-30cm, and the diameter of each rock wool rope is 0.1 cm.

The skin layer 4 is composed of an anticorrosive layer 401, a waterproof layer 402 and a reinforcing layer 403, the anticorrosive layer 401 is made of PTFE anticorrosive paint, the waterproof layer 402 is made of polyurethane waterproof paint, and the reinforcing layer 403 is made of transparent acrylic.

This cable for track traffic, prevent dragging core frame 2 through setting up by connecting stub 202 and wire 201 and constituteing, make this cable have certain performance of preventing dragging, the inside of the wire 201 of aluminium material and the connection stub 202 of iron material simultaneously, all can switch on current, make animals such as mouse when gnawing the cable conductor, can be by the electric current electric shock, power supply system detects out the change of electric current simultaneously, can gnaw to chew to the surface of this cable and supervise, because cable core 1 is located prevents dragging core frame 2's inside, make the mouse when gnawing the cable core, will be detected, thereby be convenient for protect cable core 1, reduce the loss.

The working principle is as follows: when using this cable, at first cable core 1 is connected with information transmission and receiving terminal, then will insert certain low-voltage current, make and prevent dragging the inside electrified state that is in of core print 2 by connecting stub wire 202 and wire 201 constitution, bite skin layer 4 as the animal, when further gnawing the cable, contacted electrified and prevented dragging core print 2 and shocked by the electric shock, because the electric shock animal in-process, the electric current changes, adopt the instrument to detect the current change information, can detect whether cable itself has the damage, skin layer 4 coating of this track traffic cable has PTFE anticorrosive coating, make it be in the environment of dark moisture for a long time, excellent corrosion resisting property has, skin layer 4 adopts transparent acryl material simultaneously, the intensity of skin layer 4 has been improved, the life of this cable has been prolonged greatly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cable for track traffic, includes cable core (1), its characterized in that: the anti-pulling cable core is characterized in that an anti-pulling core frame (2) is arranged on the outer surface of the cable core (1), a protective layer (3) is filled between the anti-pulling core frame (2) and the cable core (1), the protective layer (3) wraps the whole anti-pulling core frame (2) and the cable core (1), and a surface layer (4) is arranged on the surface of the protective layer (3);

the cable core (1) is composed of a copper inner core (101), an insulating layer (102) and a reinforced surface layer (103), wherein the insulating layer (102) is made of polyurethane rubber, the reinforced surface layer (103) is made of epoxy resin, and the thickness of the reinforced surface layer (103) is 0.3 cm;

the anti-pulling core frame (2) is composed of four metal wires (201) and connecting short wires (202), the four metal wires (201) are distributed in a rectangular shape and wrapped outside the cable core (1), and two adjacent metal wires (201) are fixedly connected through the connecting short wires (202).

2. A cable for rail transit according to claim 1, characterized in that: the protective layer (3) is made of silicon rubber, a plurality of rock wool ropes are arranged inside the protective layer (3), the rock wool ropes are 20-30cm in length, and the diameter of the rock wool ropes is 0.1 cm.

3. A cable for rail transit according to claim 1, characterized in that: the epidermal layer (4) comprises anticorrosive coating (401), waterproof layer (402) and enhancement layer (403), the material of anticorrosive coating (401) is PTFE anticorrosive paint, the material of waterproof layer (402) is polyurethane waterproof paint, the material of enhancement layer (403) is transparent ya keli.

4. A cable for rail transit according to claim 1, characterized in that: the metal lead (201) is made of aluminum, and the connecting short lead (202) is made of iron.