CN208767066U - A kind of etch-proof Metro Cable - Google Patents

Abstract

The utility model relates to Metro Cable anticorrosion technique fields; and disclose a kind of etch-proof Metro Cable; including Metro Cable; the outer surface gluing of Metro Cable is fixed with external protection; the internal layer gluing of external protection is fixed with the first decompression layer; the lower surface of the first decompression layer is circumferentially equidistant to be fixedly connected with protruding block, and the lower surface of protruding block is fixed with the second decompression layer, opens up at the upper surface and position corresponding with protruding block of the second decompression layer fluted.The etch-proof Metro Cable; realize the fixed structure by changing Metro Cable internal layer; power is pullled to slow down that cable is subject to; it effectively realizes the Metro Cable and is pullled power not by the external world during use and will lead to the appearance of rupture event; cooperate the design of external protection simultaneously; the Metro Cable can be effectively protected not to be influenced integrally by underground water, solves the problems, such as that Metro Cable is easy water inlet in use.

Description

A kind of etch-proof Metro Cable

Technical field

The utility model relates to Metro Cable anticorrosion technique field, specially a kind of etch-proof Metro Cable.

Background technique

Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.

A kind of China's publication " stretch-proof anticorrosion cable " (notification number: CN204577139U, the day for announcing； 2015.08.19), the disclosure patent includes cable body, which includes conductor, insulating layer, shielded layer and oversheath, The cable body is internally provided with more conductors, which is circular configuration, and more carbon fibers are provided with outside the conductor Composite core rod, and the carbon fiber composite core rod and conductor are tangent extrudes a layer insulating outside the conductor, the insulating layer and conductor it Between gap portion be provided with filled layer, extrude one layer of shielded layer outside the insulating layer, which is successively extruded with from inside to outside Protective layer and Halogen layer, the Halogen layer extrude one layer of inner sheath outside, one layer of oversheath, but the technical solution are extruded outside the inner sheath It finds in use, realizes the protection to cable since the inside of cable is added to a protective layer, the protection Although layer has the advantages that corrosion-resistant, antiacid alkali and non-aging, cable still will receive the external world during use The influence for pullling power and weather, therefore cable occurs rupturing and cable being caused to be intake, when cable for a long time by underground water ooze into When, the case where cable just will appear more serious corrosion, it is therefore desirable to which one kind both can guarantee that cable will not be broken when pullling Split the technical solution being not easy with the appearance of cable into water.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of etch-proof Metro Cable, has the cable and exists Power is pullled during use and does not allow easily rupturable and the advantages of be not easy in into water, is solved electric in original technology scheme Cable is pullled the problem of power is easily broken off and cable is caused to be intake in use.

(2) technical solution

To realize that the above-mentioned cable is not allowed easily rupturable and be not easy into water in by power is pullled during use Purpose, the utility model provide the following technical solutions: a kind of etch-proof Metro Cable, including Metro Cable, described ground ferroelectricity The outer surface gluing of cable is fixed with external protection, and the internal layer gluing of the external protection is fixed with the first decompression layer, this first subtracts The lower surface of pressurized layer is circumferentially equidistant to be fixedly connected with protruding block, and the lower surface of the protruding block is fixed with the second decompression layer, Fluted, the following table of the second decompression layer is opened up at the upper surface and position corresponding with protruding block of the second decompression layer Face gluing is fixed with stratum reticulare, and the lower surface gluing of the stratum reticulare is fixed with filled layer, and the inner cavity of the filled layer has extended transversely through three Root wire body, through having carbon fiber composite core rod, the outer surface glue of the wire body at the angular position of two wire bodies Conjunction is fixed with insulating layer.

Preferably, the first decompression layer is fixed on the left and right two of groove inner wall by the left and right sides gluing of protruding block Side fits at the top of the bottom of the protruding block and groove.

Preferably, the external protection is a kind of rubber layer of waterproof and surface is coated with one layer of polyurethane water-proof paint, should The thickness of protective layer is thicker than insulating layer, filled layer, stratum reticulare, the first decompression layer and the second decompression layer.

Preferably, the wire body and carbon fiber composite core rod are in the inner cavity that triangular shape is distributed in filled layer, described to fill out Filling layer is a kind of mica powder particle with insulation performance.

Preferably, the stratum reticulare is a kind of more soft metal net of quality.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of etch-proof Metro Cable, have it is following the utility model has the advantages that

The etch-proof Metro Cable passes through carbon fiber composite core rod, stratum reticulare, the first decompression layer, protruding block, the second decompression The design of layer and groove realizes the fixed structure by changing Metro Cable internal layer, so that slows down that cable is subject to pulls power, It effectively realizes the Metro Cable and is pullled power not by the external world during use and will lead to the appearance of rupture event, together The design of Shi Peihe external protection, the Metro Cable can be effectively protected not to be influenced integrally by underground water, solves subway Cable is easy the problem of water inlet in use, is designed by these, same improving to Metro Cable internal structure When, that is, realizing the Metro Cable can effectively prevent rupture, and also achieving the Metro Cable during use can be with It is not influenced and is worked normally by underground water.

Detailed description of the invention

Fig. 1 is the utility model structural upright schematic diagram；

Fig. 2 is the utility model texture edge schematic cross-sectional view.

In figure: 1, Metro Cable；2, external protection；3, wire body；31, insulating layer；4, carbon fiber composite core rod；5, it fills Layer；6, stratum reticulare；7, the second decompression layer；71, groove；8, the first decompression layer；81, protruding block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The outer surface of a kind of etch-proof Metro Cable referring to FIG. 1-2, including Metro Cable 1, Metro Cable 1 is glued It is fixed with external protection 2, the internal layer gluing of external protection 2 is fixed with the first decompression layer 8, the lower surface edge of the first decompression layer 8 Circumference is equidistant to be fixedly connected with protruding block 81, and the lower surface of protruding block 81 is fixed with the second decompression layer 7, the second decompression layer 7 Fluted 71 are opened up at upper surface and position corresponding with protruding block 81, the first decompression layer 8 passes through the left and right two of protruding block 81 Side gluing is fixed on the left and right sides of 71 inner wall of groove, and the bottom of protruding block 81 and the top of groove 71 fit, which can The lower surface gluing of 1 rupture when preferably guaranteeing that Metro Cable 1 is pullled power, the second decompression layer 7 is fixed with stratum reticulare 6, net A kind of metal net more soft for quality of layer 6, the design can preferably guarantee that Metro Cable 1 is bent, stratum reticulare 6 Lower surface gluing be fixed with filled layer 5, the inner cavity of the filled layer 5 has extended transversely through three wire bodies 3, two wire bodies 3 Through there is carbon fiber composite core rod 4 at angular position, wire body 3 and carbon fiber composite core rod 4 are distributed in filling in triangular shape The inner cavity of layer 5, filled layer 5 are a kind of mica powder particle with insulation performance, which can more effectively increase ground ferroelectricity For flexibility inside cable 1 to guarantee to damage when being pullled power, the outer surface gluing of wire body 3 is fixed with insulating layer 31, external protection 2 is a kind of rubber layer of waterproof and surface is coated with one layer of polyurethane water-proof paint, and the thickness of the protective layer 2 is equal It is thicker than insulating layer 31, filled layer 5, stratum reticulare 6, first and depressurizes layer 8 and the second decompression layer 7, which can be more effectively to subway Cable 1 carries out protective effect.

Working principle: when being laid with, staff needs that Metro Cable 1 is pullled or is bent the Metro Cable 1, During pullling or is curved, the power that Metro Cable 1 is subject to passes through the mating reaction of groove 71 and protruding block 81, due to convex Bittiness 81 bottom and the top of groove 71 are fit-state, can effectively be weakened to it when there is external force impact, To reach the protection to cable internal layer, while cooperating filled layer 5 that can effectively protect to wire body 3, when Metro Cable 1 After laying, by the design of external protection 2, underground water can effectively be avoided to ooze into the inside of Metro Cable 1.

In conclusion the etch-proof Metro Cable, layer 8, convex is depressurized by carbon fiber composite core rod 4, stratum reticulare 6, first The design of bittiness 81, second decompression layer 7 and groove 71, realizes the fixed structure by changing 1 internal layer of Metro Cable, to subtract What slow cable was subject to pulls power, effectively realize the Metro Cable 1 pullled power by the external world during use will not Lead to the appearance of rupture event, while cooperating the design of external protection 2, can be effectively protected the Metro Cable 1 it is whole not by The influence of underground water solves the problems, such as that Metro Cable 1 is easy water inlet in use, is designed by these, to subway While 1 internal structure of cable improves, that is, realizing the Metro Cable 1 can effectively prevent rupture, also achieve this Metro Cable 1 can not be influenced by underground water during use and be worked normally.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of etch-proof Metro Cable, including Metro Cable (1), it is characterised in that: the outer surface of the Metro Cable (1) Gluing is fixed with external protection (2), and the internal layer gluing of the external protection (2) is fixed with the first decompression layer (8), first decompression The lower surface of layer (8) is circumferentially equidistant to be fixedly connected with protruding block (81), and the lower surface of the protruding block (81) is fixed with the Two depressurize layer (7), open up at the upper surface and position corresponding with protruding block (81) of second decompression layer (7) fluted (71), the lower surface gluing of second decompression layer (7) is fixed with stratum reticulare (6), and the lower surface gluing of the stratum reticulare (6) is fixed with Filled layer (5), the inner cavity of the filled layer (5) have extended transversely through three wire bodies (3), the angle position of two wire bodies (3) Through having carbon fiber composite core rod (4), the outer surface gluing of the wire body (3) is fixed with insulating layer (31) at the place of setting.

2. a kind of etch-proof Metro Cable according to claim 1, it is characterised in that: first decompression layer (8) is logical The left and right sides gluing for crossing protruding block (81) is fixed on the left and right sides of groove (71) inner wall, the bottom of the protruding block (81) with Groove fits at the top of (71).

3. a kind of etch-proof Metro Cable according to claim 1, it is characterised in that: the external protection (2) is one The rubber layer of kind of waterproof and surface is coated with one layer of polyurethane water-proof paint, the thickness of the protective layer (2) be thicker than insulating layer (31), Filled layer (5), stratum reticulare (6), the first decompression layer (8) and the second decompression layer (7).

4. a kind of etch-proof Metro Cable according to claim 1, it is characterised in that: the wire body (3) and carbon fiber Dimension composite core rod (4) is distributed in the inner cavity of filled layer (5) in triangular shape, and the filled layer (5) is a kind of with insulation performance Mica powder particle.

5. a kind of etch-proof Metro Cable according to claim 1, it is characterised in that: the stratum reticulare (6) is a germplasm The more soft metal net in ground.