CN214897719U

CN214897719U - Cable for track

Info

Publication number: CN214897719U
Application number: CN202121336635.0U
Authority: CN
Inventors: 赵超现; 刘建娜; 高峰; 王啸鹏
Original assignee: Henan Lishun Cable Co ltd
Current assignee: Henan Lishun Cable Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-11-26
Anticipated expiration: 2031-06-16

Abstract

The utility model provides a cable for track, includes the steel core, the outside of steel core is equipped with interior protective layer, be equipped with multiunit sinle silk and multiunit sinle silk between interior protective layer and the steel core and distribute along the circumference array of steel core, the outside of interior protective layer is equipped with fire-retardant layer, water blocking layer and shielding layer in proper order, the outside of shielding layer is equipped with the outer protective layer, many first elasticity posts of fixed are established to the outer protective layer outside, many first elasticity posts all are the screw thread form setting along steel core circumference array distribution and many first elasticity posts. The bending resistance of the cable can be improved, the damage caused by bending of the cable is reduced, the service life of the cable is prolonged, and the abrasion of a cable sheath is reduced.

Description

Cable for track

Technical Field

The utility model relates to a cable equipment technical field especially relates to a cable for track.

Background

The rail transit means a type of transportation means or transportation system in which an operating vehicle needs to travel on a specific rail, and the most typical rail transit is a railway system consisting of a traditional train and a standard railway, and with the diversification development of train and railway technologies, the rail transit is more and more types, not only extending over long-distance land transportation, but also being widely applied to middle and short-distance urban public transportation, the outer layer of the cable of the existing rail transit locomotive is an outer layer rubber sleeve of the cable, the abrasion resistance is poor, the outer layer rubber sleeve is easy to break due to abrasion in the using process, the cable leaks electricity and the like, the cable is dangerous to the safe operation of a locomotive, most of the existing cable for the rail transit locomotive keeps the flexibility of the cable through the flexible characteristic of the rubber sleeve of the cable, however, the flexibility of the rubber sleeve is poor, and after the cable is bent for a long time, the bent part of the rubber sleeve is stressed greatly and is easy to break.

SUMMERY OF THE UTILITY MODEL

To above-mentioned condition, for overcoming prior art's defect, the utility model aims at providing a cable for track, can avoid the cable to produce cracked condition after buckling for a long time, increase the anti bending performance of cable.

Its solution is, a cable for track, including the steel core, the outside of steel core is equipped with the inner protective layer, be equipped with multiunit sinle silk and multiunit sinle silk between inner protective layer and the steel core and distribute along the circumference array of steel core, the outside of inner protective layer is equipped with fire-retardant layer, water blocking layer and shielding layer in proper order, the outside of shielding layer is equipped with outer protective layer, many first elastic columns of fixed are established to outer protective layer outside, many first elastic columns all are the screw thread form setting along steel core circumference array distribution and many first elastic columns.

Preferably, be equipped with many second elastic columns between shielding layer and the outer protective layer, many second elastic columns along steel core circumference array distribution and many second elastic columns all are the screw thread form setting, the screw thread direction of many second elastic columns is opposite with the screw thread direction of many first elastic columns.

Preferably, the plurality of first elastic columns and the plurality of second elastic columns are made of polypropylene fibers.

Preferably, a plurality of supporting columns fixedly connected with the second elastic columns are arranged outside the shielding layer, and the supporting columns are arranged along the axis of the steel core.

Preferably, a plurality of supporting rods distributed along the axis of the steel core in an array mode are fixed on the supporting columns, and one ends, far away from the supporting columns, of the supporting rods are connected with the outer protection layer.

Preferably, a plurality of supporting rods are far away from one end of the supporting column and are respectively fixed with a damping block, and the damping blocks are fixed on the outer protective layer.

Preferably, a powdery filling material is arranged between the outer protection layer and the shielding layer.

The utility model has the advantages that: the tensile resistance and the bending resistance of cable can be improved, the cable damage caused by cable bending is reduced, the service life of the cable is prolonged, meanwhile, the cable has a higher damping effect, and the service life of the cable is further prolonged.

Drawings

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

Fig. 2 is a schematic structural view of the whole side of the present invention.

Fig. 3 is a schematic structural diagram of the whole shaft side of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Given by figure 1, figure 2 and figure 3, a cable for track, including steel core 1, its characterized in that, the outside of steel core 1 is equipped with inner protective layer 3, be equipped with between inner protective layer 3 and the steel core 1 multiunit sinle silk 2 and multiunit sinle silk 2 along the circumference array distribution of steel core 1, inner protective layer 3's outside is equipped with fire-retardant layer 4, water blocking layer 5 and shielding layer 6 in proper order, shielding layer 6's outside is equipped with outer protective layer 10, outer protective layer 10 outside is established fixed many first elasticity posts 11, many first elasticity posts 11 all are the screw thread form setting along steel core 1 circumference array distribution and many first elasticity posts 11.

When the device is used, the device is firstly laid to the position to be used, the transmission of electric power or signals is realized through the plurality of groups of wire cores 2, the cable can be protected by the flame-retardant layer 4, the water-resistant layer 5 and the shielding layer 6, the use effect of the cable is improved, the steel core 1 can improve the tensile resistance of the cable when in use, by arranging the plurality of first elastic columns 11, the plurality of first elastic columns 11 are arranged in a thread shape, so that the plurality of first elastic columns 11 have elasticity and repositionability, the cable can have better elasticity after being bent, and the excessive bending of the cable is avoided, thereby reducing the cable damage caused by the bending of the cable, further improving the use effect and the service life of the cable, and the first elastic column 11 arranged outside the outer protection layer 10 can reduce the abrasion of the cable outer protection layer 10, and further prolongs the service life of the cable.

Be equipped with many second elastic columns 7 between shielding layer 6 and the outer protective layer 10, many second elastic columns 7 are along 1 circumference array distribution of steel core and many second elastic columns 7 all are the screw thread form setting, the screw thread direction of many second elastic columns 7 is opposite with many first elastic columns 11's screw thread direction.

In order to further improve the bending resistance of the cable, the plurality of second elastic columns 7 are arranged, and the direction of the second elastic columns is opposite to that of the first elastic columns 11, so that the bending resistance of the cable can be further improved, and the bending damage of the cable can be reduced.

Many first elastic columns 11 and many second elastic columns 7 all adopt the polypropylene fibre material.

Polypropylene (PP) is a semi-crystalline thermoplastic. Has high impact resistance, high mechanical property and high resistance to corrosion of various organic solvents and acid and alkali. The use effect of the device can be further improved by adopting the polypropylene fiber.

A plurality of supporting columns 8 fixedly connected with the second elastic columns 7 are arranged outside the shielding layer 6, and the supporting columns 8 are arranged along the axis of the steel core 1.

Through setting up a plurality of support columns 8, the improvement that can be further during the use the anti bending property of cable, the tensile properties of improvement cable that support column 8 and second elastic column 7 fixed connection can be further simultaneously.

A plurality of supporting rods 12 distributed along the axis of the steel core 1 in an array mode are fixed on the supporting columns 8, and one ends, far away from the supporting columns 8, of the supporting rods 12 are connected with the outer protection layer 10.

Through setting up support column 8, can support the outer layer of cable to with second elastic column 7 and outer protective layer 10 separation, improve the elastic effect of second elastic column 7.

And one ends of the support rods 12 far away from the support column 8 are respectively fixed with a damping block 9, and the damping blocks 9 are fixed on the outer protective layer 10.

The shock absorption block 9 improves the shock resistance of the cable and reduces damage to the cable caused by shock.

And powdery filling materials are arranged between the outer protection layer 10 and the shielding layer 6.

The powdery filler can improve the roundness of the cable and simultaneously improve the damping effect of the cable.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a cable for track, includes steel core (1), its characterized in that, the outside of steel core (1) is equipped with inner protective layer (3), be equipped with between inner protective layer (3) and steel core (1) multiunit sinle silk (2) and multiunit sinle silk (2) along the circumference array distribution of steel core (1), the outside of inner protective layer (3) is equipped with fire-retardant layer (4), water blocking layer (5) and shielding layer (6) in proper order, the outside of shielding layer (6) is equipped with outer protective layer (10), fixed many first elasticity posts (11) are established to outer protective layer (10) outside, many first elasticity posts (11) are all the setting of screw thread form along steel core (1) circumference array distribution and many first elasticity posts (11).

2. A track cable as claimed in claim 1, wherein a plurality of second resilient columns (7) are disposed between the shielding layer (6) and the outer protective layer (10), the plurality of second resilient columns (7) are circumferentially distributed along the steel core (1) in an array manner, and the plurality of second resilient columns (7) are disposed in a threaded manner, wherein the direction of the threads of the plurality of second resilient columns (7) is opposite to the direction of the threads of the plurality of first resilient columns (11).

3. A track cable according to claim 2, wherein the first elastic columns (11) and the second elastic columns (7) are made of polypropylene fiber.

4. A track cable according to claim 2, characterized in that a plurality of supporting columns (8) fixedly connected to the second elastic columns (7) are provided outside the shielding layer (6), said plurality of supporting columns (8) being arranged along the axis of the steel core (1).

5. A track cable according to claim 4, wherein a plurality of supporting rods (12) are fixed on the plurality of supporting columns (8) and distributed along the axis of the steel core (1) in an array manner, and one ends of the plurality of supporting rods (12) far away from the supporting columns (8) are connected with the outer protective layer (10).

6. A track cable according to claim 5, wherein the ends of the supporting rods (12) remote from the supporting column (8) are each fixed with a shock-absorbing block (9), and the shock-absorbing blocks (9) are fixed on the outer protective layer (10).

7. A track cable according to claim 1, characterized in that a powdered filling material is provided between the outer protective layer (10) and the shielding layer (6).