Anti-cracking special cable

Abstract

The utility model provides an anti-cracking special cable, and belongs to the technical field of cables. The anti-cracking special cable comprises a core wire structure and an anti-cracking structure. The core wire structure comprises a core wire group, a second filling layer and a wrapping layer, the core wire group is located in the wrapping layer, and the second filling layer is filled between the core wire group and the wrapping layer. The anti-cracking structure comprises an anti-cracking layer group, an anti-extrusion layer group and an outer sheath layer, the anti-extrusion layer group is wrapped on the anti-cracking layer group, and the outer sheath layer is wrapped outside the anti-extrusion layer group. According to the utility model, the external pressure bearing effect of the special cable is improved, the deformation possibility of the special cable is reduced, the toughness is increased, the internal core wire can be wrapped to prevent cracking when the special cable is deformed, the damage and unforeseen circumstances caused by the exposure of the cable core wire due to cracking are effectively reduced, and the special cable is safer to use.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more specifically, to a special cable that prevents cracking. Background Art

[0002] Special cables are cables with special uses and can be used in specific occasions. Special cables can withstand high temperatures, resist acids and alkalis, prevent termites, and are used as wires and cables in occasions such as ships, airplanes, and nuclear power plants. In terms of classification, it does not belong to the same classification method as power, control, computer cables, etc. That is, the above-listed cables also include special cables. Generally, enterprise internal control standards need to be formulated for special cables.

[0003] At present, most of the existing special cables have layer structures such as fireproof and corrosion-resistant layers inside. This causes the special cable to be easily flattened under greater pressure, and cracks will appear on both sides, resulting in the exposure of the internal core wires of the special cable, leading to damage or accidents. Therefore, it is necessary to propose a special cable that prevents cracking to solve the above problems. Summary of the Utility Model

[0004] To make up for the above deficiencies, the utility model provides a special cable that prevents cracking, aiming to improve the problem that the special cable is easily flattened under greater pressure, and cracks will appear on both sides, resulting in the exposure of the internal core wires of the special cable, leading to damage or accidents.

[0005] The utility model is implemented as follows:

[0006] The utility model provides a special cable that prevents cracking, including a core wire structure and an anti-cracking structure.

[0007] The core wire structure includes a core wire group, a second filling layer, and a wrapping layer. The core wire group is located inside the wrapping layer, and the second filling layer is filled between the core wire group and the wrapping layer. The anti-cracking structure includes an anti-cracking layer group, an anti-extrusion layer group, and an outer sheath layer. The anti-cracking layer group is wrapped outside the wrapping layer, the anti-extrusion layer group is wrapped on the anti-cracking layer group, and the outer sheath layer is wrapped outside the anti-extrusion layer group; the anti-extrusion layer group includes a plurality of outer rings and a plurality of inner rings, the outer rings and the inner rings are fixed by staggered reinforcing plates, the outer rings and the inner rings are fixed by connecting plates, and the outer rings and the inner rings are embedded inside the outer sheath layer.

[0008] In one embodiment of the utility model, the core wire group includes a plurality of core wires, an insulating layer, and a high-temperature resistant layer. The insulating layer is wrapped outside the plurality of core wires, and a first filling layer is provided between the high-temperature resistant layer and the insulating layer.

[0009] In an embodiment of the present utility model, the anti-cracking layer group includes transverse steel wires and circular steel wires, the circular steel wires are vertically fixed on the transverse steel wires, and the transverse steel wires and the circular steel wires are wrapped on the wrapping layer.

[0010] In an embodiment of the present utility model, grooves are formed on the surface of the outer sheath layer, the cross-section of the grooves is arc-shaped, and the grooves are circumferentially distributed on the surface of the outer sheath layer.

[0011] In an embodiment of the present utility model, marking lines are further provided on the surface of the outer sheath layer, and the marking lines are equidistantly spaced and distributed on the surface of the outer sheath layer.

[0012] The beneficial effects of the present utility model are as follows: A special anti-cracking cable obtained by the above design of the present utility model, during use, the anti-cracking layer group is wrapped outside the core wire group, which can increase the toughness of the internal core wire structure when subjected to external extrusion, thereby reducing the possibility of cracking. At the same time, the anti-extrusion layer group is embedded inside the outer sheath layer, which can further protect the core wire structure from the outside. By setting the anti-extrusion layer group, the anti-extrusion effect of the special cable is improved, so that the special cable will not deform after being subjected to pressure, thereby effectively preventing the occurrence of cracking. Such a special cable, during use, improves the effect of external pressure resistance, reduces the possibility of deformation of the special cable, and at the same time increases the toughness to wrap the internal core wire to prevent cracking when deforming, effectively reducing the damage and accidents caused by the exposure of the cable core wire due to cracking, and making the use safer. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.

[0014] Figure 1 It is a schematic cross-sectional structure diagram of the first perspective of the anti-cracking special cable provided by the embodiment of the present utility model;

[0015] Figure 2 It is a partial structure diagram of the second perspective of the anti-cracking special cable provided by the embodiment of the present utility model;

[0016] Figure 3 It is a schematic structure diagram of the anti-extrusion layer group of the anti-cracking special cable provided by the embodiment of the present utility model;

[0017] Figure 4 Schematic diagram of the anti-cracking layer group structure of a special cable for preventing cracking provided by an embodiment of the present invention.

[0018] In the figure: 100 - core wire structure; 110 - core wire group; 111 - core wire; 112 - insulating layer; 113 - first filling layer; 114 - high-temperature resistant layer; 120 - second filling layer; 130 - wrapping layer; 200 - anti-cracking structure; 210 - anti-cracking layer group; 211 - transverse steel wire; 212 - circular steel wire; 220 - anti-extrusion layer group; 221 - outer ring; 222 - inner ring; 223 - reinforcing plate; 224 - connecting plate; 230 - outer sheath layer; 231 - groove; 232 - marking line. Specific embodiments

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Embodiment

[0021] Please refer to Figures 1 - 4 , the present invention provides a technical solution: a special cable for preventing cracking, including a core wire structure 100 and an anti-cracking structure 200.

[0022] Please refer to Figure 1 , the core wire structure 100 includes a core wire group 110, a second filling layer 120, and a wrapping layer 130. The core wire group 110 is located inside the wrapping layer 130, and the second filling layer 120 is filled between the core wire group 110 and the wrapping layer 130.

[0023] The core wire group 110 includes a plurality of core wires 111, an insulating layer 112, and a high-temperature resistant layer 114. The insulating layer 112 is wrapped outside the plurality of core wires 111. A first filling layer 113 is provided between the high-temperature resistant layer 114 and the insulating layer 112. Both the first filling layer 113 and the second filling layer 120 here are fireproof fillers. Here, the first filling layer 113 can be used to increase the fireproof effect of the core wire group 110, thereby improving the safety of use.

[0024] Please refer to Figures 1 - 4, the anti-cracking structure 200 includes an anti-cracking layer group 210, an anti-extrusion layer group 220, and an outer sheath layer 230. The anti-cracking layer group 210 is wrapped around the outside of the wrapping layer 130, the anti-extrusion layer group 220 is wrapped on the anti-cracking layer group 210, and the outer sheath layer 230 is wrapped around the outside of the anti-extrusion layer group 220.

[0025] The anti-cracking layer group 210 includes transverse steel wires 211 and annular steel wires 212. The annular steel wires 212 are vertically fixed on the transverse steel wires 211. The transverse steel wires 211 and the annular steel wires 212 are wrapped on the wrapping layer 130. Here, the core wire structure 100 is wrapped by the transverse steel wires 211 and the annular steel wires 212, which can increase the overall toughness and wrap the core wire structure 100 when being extruded, thereby preventing cracking and improving the use safety. The anti-extrusion layer group 220 includes a plurality of outer rings 221 and a plurality of inner rings 222. The outer rings 221 and the inner rings 222 are fixed by staggered reinforcing plates 223. The outer rings 221 and the inner rings 222 are fixed by connecting plates 224. The outer rings 221 and the inner rings 222 are installed inside the outer sheath layer 230. Here, through the outer rings 221, the inner rings 222 and the reinforcing plates 223 installed inside the outer sheath layer 230, the anti-extrusion effect of the entire special cable can be improved, thereby effectively preventing the problem of the exposed cracked core wire 111 caused by the special cable being flattened, improving the use safety and reducing losses.

[0026] Grooves 231 are formed on the surface of the outer sheath layer 230. The cross-section of the grooves 231 is arc-shaped, and the grooves 231 are circumferentially distributed on the surface of the outer sheath layer 230. Marking lines 232 are also provided on the surface of the outer sheath layer 230. The marking lines 232 are equally spaced and distributed on the surface of the outer sheath layer 230. Here, the setting of the grooves 231 can increase the heat dissipation area of the special cable, and at the same time, the use length of the cable can be controlled by using the marking lines 232, and it is also convenient to find the position of the special cable.

[0027] Specifically, the structural principle of the special anti-cracking cable: The transverse steel wires 211 and the circular steel wires 212 are wrapped around the outside of the core wire group 110, which can increase the toughness of the internal core wire structure 100 when subjected to external extrusion, thereby reducing the possibility of cracking. At the same time, the outer ring 221, the inner ring 222 and the reinforcing plate 223 are embedded inside the outer sheath layer 230, which can further enclose the core wire structure 100 from the outside. The anti-extrusion layer group 220 is provided to improve the anti-extrusion effect of the special cable, so that the special cable will not deform after being pressurized, thereby effectively preventing the occurrence of cracking. When such a special cable is in use, the effect of external pressure is improved, the possibility of deformation of the special cable is reduced, and at the same time, the toughness is increased, and when deformation occurs, the internal core wire 111 can be wrapped to prevent cracking, effectively reducing the damage and accidents caused by the exposure of the cable core wire 111 caused by cracking, and making the use safer.

[0028] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A special anti-cracking cable, comprising a core wire structure (100) and an anti-cracking structure (200) wrapped on the core wire structure (100), characterized in that: The core wire structure (100) comprises a core wire group (110), a second filling layer (120) and a wrapping layer (130), wherein the core wire group (110) is located inside the wrapping layer (130), and the second filling layer (120) is filled between the core wire group (110) and the wrapping layer (130); The anti-cracking structure (200) comprises an anti-cracking layer group (210), an anti-extrusion layer group (220) and an outer sheath layer (230), wherein the anti-cracking layer group (210) is wrapped around the outside of the wrapping layer (130), the anti-extrusion layer group (220) is wrapped around the anti-cracking layer group (210), and the outer sheath layer (230) is wrapped around the outside of the anti-extrusion layer group (220); The anti-extrusion layer group (220) includes a plurality of outer rings (221) and a plurality of inner rings (222); the outer rings (221) and the inner rings (222) are fixed via staggered reinforcing plates (223); the outer rings (221) and the inner rings (222) are fixed via connecting plates (224); and the outer rings (221) and the inner rings (222) are embedded inside the outer sheath layer (230).

2. A crack-resistant special cable according to claim 1, characterized in that: The core wire group (110) comprises a plurality of core wires (111), an insulating layer (112) and a high temperature resistant layer (114); the insulating layer (112) is wrapped around the outside of the plurality of core wires (111); and a first filling layer (113) is provided between the high temperature resistant layer (114) and the insulating layer (112).

3. The anti-cracking special cable according to claim 1, characterized in that: The anti-cracking layer group (210) comprises a transverse steel wire (211) and an annular steel wire (212), wherein the annular steel wire (212) is vertically fixed on the transverse steel wire (211), and the transverse steel wire (211) and the annular steel wire (212) are wrapped on the wrapping layer (130).

4. The anti-cracking special cable according to claim 1, characterized in that: A groove (231) is formed on the surface of the outer jacket layer (230); the cross section of the groove (231) is arc-shaped; the grooves (231) are distributed circumferentially on the surface of the outer jacket layer (230).

5. The anti-cracking special cable according to claim 1, characterized in that: The surface of the outer sheath layer (230) is also provided with marking lines (232), and the marking lines (232) are distributed at equal intervals on the surface of the outer sheath layer (230).

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