CN213025473U - ECP brake cable - Google Patents

Abstract

The utility model provides a cable is made to ECP, include: the cable comprises a cable core, a cable core and a cable core, wherein the cable core is formed by twisting a pair of twisted conductor wires and a plurality of filling wires, the conductor wires sequentially comprise a conductor cable core, a conductor insulating layer, a conductor shielding layer and a braided aramid fiber layer from inside to outside in structure, and the filling wires are filled at the periphery of the conductor wires; the cable core is wound on the wrapping tape, the wrapping tape is sequentially provided with a shielding layer, an inner sheath, a reinforcing layer and an outer sheath, and a drain wire is arranged between the wrapping tape and the shielding layer. The utility model discloses a ECP braking cable signal transmission ability is strong, and mechanical strength is high.

Description

ECP brake cable

Technical Field

The utility model relates to a cable field especially relates to an ECP braking cable.

Background

The cable is a material used for power, communication and related transmission purposes, and at present, with the development of society, the number of cables as transmission media is increased, and the requirements on the cables are higher and higher. In the field of train braking, an ECP (electrically controlled pressure air brake) system capable of ensuring the brake action consistency of the whole train has a high application prospect, but an imported cable is always adopted as a cable for transmitting electric energy and signals in the ECP system, so that the ECP system is high in price and inconvenient to maintain, and the application of the ECP system in the field of train braking in China is greatly limited.

Disclosure of Invention

In order to solve the problem, the utility model provides a ECP braking cable, this ECP braking cable can guarantee transmission signal's reliable and stable nature.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

an ECP braking cable comprising:

the cable comprises a cable core, a cable core and a cable core, wherein the cable core is formed by twisting a pair of twisted conductor wires and a plurality of filling wires, the conductor wires sequentially comprise a conductor cable core, a conductor insulating layer, a conductor shielding layer and a braided aramid fiber layer from inside to outside in structure, and the filling wires are filled at the periphery of the conductor wires;

the cable core is wound on the wrapping tape, the wrapping tape is sequentially provided with a shielding layer, an inner sheath, a reinforcing layer and an outer sheath, and a drain wire is arranged between the wrapping tape and the shielding layer.

Further, the enhancement layer includes aramid fiber silk and non-woven fabrics, aramid fiber silk twine in the inner sheath outside, the non-woven fabrics cladding in the aramid fiber silk outside.

Further, the outer side of the outer sheath is coated with an anticorrosive layer.

Further, the inner sheath and the outer sheath are doped with reinforcing filaments.

Further, the inner sheath and the outer sheath are made of polychloroprene.

Further, the conductor wire gauge is #8 AWG.

Further, the shielding layer is a galvanized copper braided shield.

Further, the filling line is a hemp rope.

The utility model discloses a ECP braking cable has following beneficial effect:

1. the utility model provides an ECP braking cable has compensatied the blank of internal ECP braking cable design preparation.

2. The utility model discloses, set up conductor shielding layer and shielding layer double-deck shielding, strengthened the shielding effect of cable, improve signal transmission ability, make product interference immunity reinforcing. The shielding layer is made of a galvanized copper braided shield, the braiding density is high, the shielding effect of the cable is further enhanced, and the flexible characteristic of the cable can be met.

3. The utility model discloses, the cable chooses for use a pair of pair twist conductor line structure, and pair twist conductor line twists into the core with the filling wire, and the filling wire is crude rope made of hemp, does not have relative slip with pair twist conductor line, has guaranteed the position relatively stable of each line in the sinle silk, can stably transmit control signal.

4. The utility model has the advantages that the reinforcing layer is arranged between the inner sheath and the outer sheath and consists of the aramid fiber wires and the non-woven fabrics, the aramid fiber wires are light in weight and strong in tensile and compressive capacities, and the tensile performance of the cable is enhanced; the non-woven fabrics are coated on the outer side of the aramid fiber yarns to protect the aramid fiber yarns and further enhance the tensile property of the cable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

Fig. 1 is a schematic structural view of an ECP brake cable according to an embodiment of the present invention.

Description of reference numerals:

1-a wire core; 11-a conductor line; 111-a conductor core; 112-conductor insulation layer; 113-a conductor shield layer; 114-a woven aramid layer; 12-a fill line; 2-wrapping a belt; 3-a shielding layer; 4-inner sheath; 5-a reinforcing layer; 51-aramid filaments; 52-non-woven fabric; 6-outer sheath; 7-a drain wire; 8-filament.

Detailed Description

For better understanding of the objects, structure and functions of the present invention, an ECP brake cable according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, it shows an ECP brake cable according to an embodiment of the present invention, including:

the cable core 1 is formed by twisting a pair of twisted conductor wires 11 and a plurality of filling wires 12, the conductor wires 11 sequentially comprise a conductor wire core 111, a conductor insulating layer 112, a conductor shielding layer 113 and a braided aramid fiber layer 114 from inside to outside, and the filling wires 12 are filled on the periphery of the conductor wires 11. The conductor wire core 111 adopts a soft copper stranded conductor to ensure the flexibility of the cable; the conductor shielding layer 113 shields interference signals, and ensures the stability of signal transmission; the woven aramid layer 114 increases the mechanical properties of the individual conductor wires.

Further, the filler wire 12 serves to maintain the cable roundness. More specifically, the filler wire 12 is a hemp rope, and the filler wire 12 made of hemp rope is twisted with the twisted pair conductor wire 11, so that the signal transmission is stable.

Further, the conductor wire 11 is of #8AWG gauge. The conductor wire 11 of this specification can still ensure effective signal transmission for a train with a long train consist.

Further, the periphery of the wire core 1 is wound and coated with a wrapping tape 2, and the wrapping tape protects the wire core 1. The shielding layer 3, the inner sheath 4, the reinforcing layer 5 and the outer sheath 6 are sequentially arranged outside the wrapping tape 2, and the drain wire 7 is arranged between the wrapping tape 2 and the shielding layer 3.

Further, the shielding layer 3 is a galvanized copper braided shield. The weaving density of the braided tinned copper is high, and the shielding effect is good.

Furthermore, the inner sheath 4 and the outer sheath 6 are doped with the reinforcing filaments 8, so that the structural strength of the inner sheath 4 and the outer sheath 6 is enhanced.

Furthermore, the inner sheath 4 and the outer sheath 6 are made of polychloroprene, so that the cable is flexible and keeps better elasticity. The outer side of the outer sheath 6 is coated with an anticorrosive layer, so that the cable is prevented from being damaged and corroded in long-term use, and the service life of the cable is prolonged.

Furthermore, the reinforcing layer 5 includes aramid filaments 51 and non-woven fabrics 52, the aramid filaments 51 are wound outside the inner sheath 4, and the non-woven fabrics 52 are wrapped outside the aramid filaments 51. The aramid fiber yarn 51 has strong tensile resistance, light weight and good flexibility; the non-woven fabric 52 also has a certain tensile resistance, and the tensile resistance of the cable is greatly enhanced under the combined action of the non-woven fabric and the cable, so that the cable is prevented from being pulled apart when a train runs and jolts. In addition, the nonwoven fabric 52 also serves to protect the aramid filaments 51.

The present invention is further described below with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the following embodiments by those skilled in the art upon reading the present specification are within the scope of the present invention.

Claims (8)

1. An ECP brake cable comprising:

the cable comprises a cable core (1) and a cable core, wherein the cable core (1) is formed by twisting a pair of twisted conductor wires (11) and a plurality of filling wires (12), the conductor wires (11) sequentially comprise a conductor cable core (111), a conductor insulating layer (112), a conductor shielding layer (113) and a braided aramid layer (114) from inside to outside, and the filling wires (12) are filled at the periphery of the conductor wires (11);

the cable comprises a cable core (1), wherein a wrapping belt (2) is wound on the periphery of the cable core (1), a shielding layer (3), an inner sheath (4), a reinforcing layer (5) and an outer sheath (6) are sequentially arranged outside the wrapping belt (2), and a drain wire (7) is arranged between the wrapping belt (2) and the shielding layer (3).

2. ECP cable according to claim 1 wherein said reinforcement layer (5) comprises aramid filaments (51) and non-woven fabric (52), said aramid filaments (51) being wound around the outer side of said inner sheath (4), said non-woven fabric (52) being coated around said aramid filaments (51).

3. ECP cable according to claim 1 wherein said outer sheath (6) is coated with a corrosion protection layer.

4. ECP brake cable according to claim 3 wherein said inner sheath (4) and said outer sheath (6) are doped with reinforcing filaments (8).

5. ECP cable according to claim 4 wherein the material of said inner sheath (4) and said outer sheath (6) is polychloroprene.

6. ECP brake cable according to claim 1 wherein said conductor wire (11) is of #8AWG gauge.

7. ECP cable according to claim 1 wherein said shield layer (3) is a galvanized copper braided shield.

8. ECP cable according to claim 1 wherein said filler wire (12) is a hemp rope.

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