CN213366193U

CN213366193U - Corrosion-resistant tensile medium-voltage waterproof cable for rail transit

Info

Publication number: CN213366193U
Application number: CN202022186344.XU
Authority: CN
Inventors: 蒋军熙; 卫宇
Original assignee: Jiangsu Kaida Cable Co ltd
Current assignee: Jiangsu Kaida Cable Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-04
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a track traffic is with corrosion-resistant tensile type middling pressure waterproof cable belongs to cable technical field. The corrosion-resistant tensile medium-voltage waterproof cable for rail transit comprises a rubber layer, wherein the inner wall of the rubber layer is fixedly connected with a water-resistant layer, the inner wall of the water-resistant layer is fixedly connected with an insulating layer, and the inner wall of the insulating layer is fixedly connected with a protective sleeve; the utility model discloses, through setting up the lag, kevlar filler and galvanized steel strip, lag self is made by the high elasticity plastic, the promotion of very big degree the pliability of this cable, its inside kevlar filler has heat-resisting fire-retardant, antistatic properties, high strength, high abrasion and high tear resistance's characteristics, cooperation galvanized steel strip is further again the tensile strength who promotes this cable, play the guard action to cable core in the cable, the range when avoiding the cable to buckle or stretch greatly causes inside cable core fracture or impaired condition to appear, thereby reach the high characteristics of this cable tensile strength.

Description

Corrosion-resistant tensile medium-voltage waterproof cable for rail transit

Technical Field

The utility model relates to the technical field of cables, especially, relate to track traffic is with corrosion-resistant tensile type middling pressure waterproof cable.

Background

Cables are generally rope-like cables made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from each other and often twisted around a center, and covered with a highly insulating coating over the entire outside, and have characteristics of internal current conduction and external insulation, which are used in a wide range of applications, for example: power systems, information transmission and instrumentation systems, etc.

The track traffic waterproof cable in the prior art has the advantages that the tensile resistance of the track traffic waterproof cable is poor usually, the track traffic waterproof cable in the prior art is complex in environment, daily use of the track traffic is difficult to meet, and once the tensile amplitude is too large, cable cores are damaged and even broken easily in the laying process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the relatively poor problem of resistance to stretching nature in the prior art, and the track traffic that proposes is with corrosion-resistant tensile type middling pressure waterproof cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the corrosion-resistant tensile medium-voltage waterproof cable for rail transit comprises a rubber layer, wherein a waterproof layer is fixedly connected to the inner wall of the rubber layer, an insulating layer is fixedly connected to the inner wall of the waterproof layer, a protective sleeve is fixedly connected to the inner wall of the insulating layer, Kevlar fillers are arranged inside the protective sleeve, gaps are formed in the Kevlar fillers, and galvanized steel bars are arranged inside the gaps.

Preferably, the number of the galvanized steel strips is nine, and the diameter of the galvanized steel strips is 2.2 mm.

Preferably, a hole is formed in the protecting sleeve, and a cable core rubber layer is inserted into the inner wall of the hole.

Preferably, the inner wall of the cable core rubber layer is fixedly connected with an anticorrosive coating, and the inner wall of the anticorrosive coating is fixedly connected with an armor coating.

Preferably, the inner wall of the armor layer is fixedly connected with three cable cores.

Preferably, the outer surface of the rubber layer is sleeved with a first sheath, the outer surface of the rubber layer is sleeved with a second sheath, the upper surface of the first sheath is provided with a threaded hole, and the inner wall of the threaded hole is in threaded connection with a screw rod.

Preferably, the top of the first sheath is fixedly connected with a first telescopic rod, the top of the first telescopic rod is fixedly connected with a first anti-skid pad, the bottom of the second sheath is fixedly connected with a second telescopic rod, and the bottom of the second telescopic rod is fixedly connected with a second anti-skid pad.

Compared with the prior art, the utility model provides a track traffic is with corrosion-resistant tensile type middling pressure waterproof cable possesses following beneficial effect:

1. the utility model discloses, through setting up the lag, kevlar filler and galvanized steel strip, lag self is made by the high elasticity plastic, the promotion of very big degree the pliability of this cable, its inside kevlar filler has heat-resisting fire-retardant, antistatic properties, high strength, high abrasion and high tear resistance's characteristics, cooperation galvanized steel strip is further again the tensile strength who promotes this cable, the guard action to the inside cable core of cable has been played, avoid the great inside cable core fracture or impaired condition that causes of the range of cable when buckling or tensile greatly, thereby the high characteristics of this cable tensile strength have been reached.

2. The utility model discloses, through setting up first sheath, the second sheath, the screw rod, first telescopic link, first slipmat, second telescopic link and second slipmat, when laying the cable in the cable duct, at first carry out fixed connection with first sheath and second sheath through the screw rod, then adjust first telescopic link and second telescopic link according to the diameter size of cable duct, make first slipmat and second slipmat all with the inner wall contact of cable duct, first slipmat and second slipmat play the effect of supporting whole cable this moment, prevent that the cable from rocking in cable duct, thereby further promotion the tensile strength of this cable.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses anti tensile properties's characteristics are strong.

Drawings

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

fig. 2 is a schematic sectional view of the protective cover of the present invention;

FIG. 3 is a schematic cross-sectional view of the rubber layer of the cable core of the present invention;

fig. 4 is a schematic structural view of the second anti-skid pad of the present invention.

In the figure: 1. a rubber layer; 2. a water resistant layer; 3. an insulating layer; 4. a protective sleeve; 5. kevlar fillers; 6. galvanized steel strips; 7. a hole; 8. a cable core rubber layer; 9. an anticorrosive layer; 10. an armor layer; 11. a cable core; 12. a first sheath; 13. a second sheath; 14. a screw; 15. a first telescopic rod; 16. a first non-slip mat; 17. a second telescopic rod; 18. and a second non-slip mat.

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.

Referring to fig. 1-4, the corrosion-resistant tensile medium-voltage waterproof cable for rail transit comprises a rubber layer 1, a waterproof layer 2 is fixedly connected to the inner wall of the rubber layer 1, the waterproof layer 2 comprises a base layer, waterproof layers covering the upper surface and the lower surface of the base layer, and waterproof paint attached to the waterproof layers, the waterproof and waterproof effects are good, the waterproofness of the cable in a humid environment is effectively enhanced, an insulating layer 3 is fixedly connected to the inner wall of the waterproof layer 2, a protective sleeve 4 is fixedly connected to the inner wall of the insulating layer 3, a kevlar filler 5 is arranged inside the protective sleeve 4, a gap is arranged inside the kevlar filler 5, a galvanized steel strip 6 is arranged inside the gap, the protective sleeve 4 is made of high-elasticity plastic through the arrangement of the protective sleeve 4, the flexibility of the cable is greatly improved, and the kevlar filler 5 inside the cable has heat-resistant, flame retardant, heat-resistant and flame-retardant properties, The cable has the characteristics of antistatic property, high strength, high wear resistance and high tear resistance, the tensile property of the cable is further improved by matching with the galvanized steel strips 6, the protection effect on the cable core 11 inside the cable is achieved, and the condition that the inner cable core 11 is broken or damaged due to large bending or stretching amplitude of the cable is avoided, so that the cable has the characteristic of high tensile property, the number of the galvanized steel strips 6 is nine, the diameter of the galvanized steel strips 6 is 2.2mm, the hole 7 is formed in the protective sleeve 4, the cable core rubber layer 8 is inserted into the inner wall of the hole 7, the anticorrosive layer 9 is fixedly connected to the inner wall of the rubber layer 8, the armor layer 10 is fixedly connected to the inner wall of the anticorrosive layer 9, the mechanical strength of the cable is increased by the arrangement of the armor layer 10, the corrosion prevention capability of the cable at the point is improved, the cable core 11 is fixedly connected to the inner wall of the armor layer 10, and the, the outer surface of the rubber layer 1 is sleeved with a first sheath 12, the outer surface of the rubber layer 1 is sleeved with a second sheath 13, the upper surface of the first sheath 12 is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a screw rod 14, the top of the first sheath 12 is fixedly connected with a first telescopic rod 15, the top of the first telescopic rod 15 is fixedly connected with a first anti-skid pad 16, the bottom of the second sheath 13 is fixedly connected with a second telescopic rod 17, the first telescopic rod 15 and the second telescopic rod 17 are composed of an upper rod, a lower rod and a control bolt, the upper rod is inserted into the slot by arranging a slot matched with the upper rod on the upper surface of the lower rod, the control bolt is in threaded connection inside the threaded hole by arranging the threaded hole on the outer surface of the lower rod, one end of the control bolt is in contact with the outer part of the upper rod, when the length needs to be adjusted, the control bolt is rotated outwards, the lower rod is kept still, when the lower rod is adjusted to a proper length, the control bolt is rotated inwards, one end of the control bolt is contacted with the outer part of the upper rod, the bottom of the second telescopic rod 17 is fixedly connected with a second anti-skid pad 18, by arranging the first sheath 12, the second sheath 13, the screw 14, the first telescopic rod 15, the first non-slip mat 16, the second telescopic rod 17 and the second non-slip mat 18, when laying the cable in the cable duct, the first sheath 12 and the second sheath 13 are first fixedly connected by the screw 14, then adjust first telescopic link 15 and second telescopic link 17 according to the diameter size of cable duct, make first slipmat 16 and second slipmat 18 all with the inner wall contact of cable duct, first slipmat 16 and second slipmat 18 play the effect of supporting whole cable this moment, prevent that the cable from rocking in the cable duct to further promoting the tensile strength of this cable.

In the utility model, by arranging the protective sleeve 4, the Kevlar filler 5 and the galvanized steel strip 6, the protective sleeve 4 is made of high-elasticity plastic, the flexibility of the cable is greatly improved, the Kevlar filler 5 in the protective sleeve has the characteristics of heat resistance, flame retardance, antistatic property, high strength, high wear resistance and high tear resistance, the tensile property of the cable is further improved by matching with the galvanized steel strip 6, the protective function on the cable core 11 in the cable is achieved, the situation that the cable is broken or damaged in the inner cable core 11 caused by large bending or stretching amplitude of the cable is avoided, and the characteristic of high tensile property of the cable is achieved, and by arranging the first protective sleeve 12, the second protective sleeve 13, the screw 14, the first telescopic rod 15, the first anti-skid pad 16, the second telescopic rod 17 and the second anti-skid pad 18, when the cable in the cable pipeline is laid, first, first sheath 12 and second sheath 13 are fixedly connected through screw 14, then first telescopic link 15 and second telescopic link 17 are adjusted according to the diameter of cable duct, first non-slip mat 16 and second non-slip mat 18 are all in contact with the inner wall of cable duct, and at the moment, first non-slip mat 16 and second non-slip mat 18 play a role in supporting the whole cable, so that the cable is prevented from shaking in the cable duct, and the tensile property of the cable is further improved.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. Corrosion-resistant tensile type middling pressure waterproof cable for track traffic, including rubber layer (1), its characterized in that, the inner wall fixedly connected with water blocking layer (2) of rubber layer (1), the inner wall fixedly connected with insulating layer (3) of water blocking layer (2), the inner wall fixedly connected with lag (4) of insulating layer (3), the inside of lag (4) is provided with kevlar filler (5), the inside of kevlar filler (5) is provided with the clearance, the inside in clearance is provided with galvanized steel strip (6).

2. Corrosion-resistant tensile medium voltage waterproof cable for rail transit according to claim 1, wherein the number of said galvanized steel strips (6) is nine, and the diameter of said galvanized steel strips (6) is 2.2 mm.

3. The corrosion-resistant tensile medium-voltage waterproof cable for rail transit as claimed in claim 1, wherein a hole (7) is formed in the protective sleeve (4), and a cable core rubber layer (8) is inserted into the inner wall of the hole (7).

4. The corrosion-resistant tensile medium-voltage waterproof cable for rail transit according to claim 3, wherein an anticorrosive layer (9) is fixedly connected to the inner wall of the cable core rubber layer (8), and an armor layer (10) is fixedly connected to the inner wall of the anticorrosive layer (9).

5. The corrosion-resistant tensile medium-voltage waterproof cable for rail transit according to claim 4, wherein cable cores (11) are fixedly connected to the inner wall of the armor layer (10), and the number of the cable cores (11) is three.

6. The corrosion-resistant tensile medium-voltage waterproof cable for rail transit according to claim 1, wherein a first sheath (12) is sleeved on the outer surface of the rubber layer (1), a second sheath (13) is sleeved on the outer surface of the rubber layer (1), a threaded hole is formed in the upper surface of the first sheath (12), and a screw rod (14) is connected to the inner wall of the threaded hole in a threaded manner.

7. The corrosion-resistant and tensile medium-voltage waterproof cable for rail transit according to claim 6, wherein a first telescopic rod (15) is fixedly connected to the top of the first sheath (12), a first anti-skid pad (16) is fixedly connected to the top of the first telescopic rod (15), a second telescopic rod (17) is fixedly connected to the bottom of the second sheath (13), and a second anti-skid pad (18) is fixedly connected to the bottom of the second telescopic rod (17).