CN212209025U - Dedicated corrosion-resistant dampproofing power cable of large-scale construction machinery - Google Patents
Dedicated corrosion-resistant dampproofing power cable of large-scale construction machinery Download PDFInfo
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- CN212209025U CN212209025U CN202020937065.XU CN202020937065U CN212209025U CN 212209025 U CN212209025 U CN 212209025U CN 202020937065 U CN202020937065 U CN 202020937065U CN 212209025 U CN212209025 U CN 212209025U
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000005260 corrosion Methods 0.000 title claims abstract description 17
- 230000007797 corrosion Effects 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 80
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 6
- 229920002635 polyurethane Polymers 0.000 claims abstract description 6
- 239000004814 polyurethane Substances 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims abstract 3
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 238000009954 braiding Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- 239000000314 lubricant Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model relates to a power cable technical field, concretely relates to dedicated corrosion-resistant dampproofing power cable of large-scale construction machinery, a dedicated corrosion-resistant dampproofing power cable of large-scale construction machinery, including stranded conductor core, the outside of conductor core is provided with interior semi-conductive layer, the outside of interior semi-conductive layer is crowded and is wrapped up with the insulating layer, the outside of insulating layer is provided with outer semi-conductive layer, interior semi-conductive layer, the insulating layer and outer semi-conductive layer are three-layer coextrusion structure; the outer sides of the multiple conductive wire cores are wrapped with moisture-proof layers, and the moisture-proof layers are made of non-woven fabric tapes; a shielding layer is arranged on the outer side of the moisture-proof layer; a double-steel-belt protective layer is arranged on the outer side of the shielding layer, an outer protective layer is arranged on the outer side of the double-steel-belt protective layer, and the outer protective layer is made of a polyurethane material; utility model compact structure, mechanical strength is high, and possesses excellent dampproofing and anticorrosion characteristic.
Description
Technical Field
The utility model relates to a power cable technical field, concretely relates to dedicated corrosion-resistant dampproofing power cable of large construction machinery.
Background
The power cable is a cable for transmitting and distributing electric energy, and is a cable product for transmitting and distributing high-power electric energy in a main line of a power system, and comprises various voltage grades of 1-500KV and above and various insulated power cables; due to different use environments, power cables often need to have different characteristics to meet specific use requirements.
Nowadays, the frequency of use and occasions of large construction machinery are increasing, and due to deterioration of the surrounding environment, the existing power cable is easy to corrode, so that failure frequency and service life of the cable are shortened, and in addition, higher requirements are also put on the moisture resistance of the cable, and the more moisture in the cable, the faster the corrosion process of the cable is.
SUMMERY OF THE UTILITY MODEL
For solving the problem that proposes among the above-mentioned background art, the utility model provides a dedicated corrosion-resistant dampproofing power cable of large construction machinery, compact structure, mechanical strength is high, and possesses excellent dampproofing and anticorrosion characteristic.
In order to achieve the above object, the utility model provides a following technical scheme: a corrosion-resistant damp-proof power cable special for large-scale construction machinery comprises a plurality of conductive wire cores, wherein an inner semi-conductive layer is arranged on the outer side of each conductive wire core, an insulating layer is extruded on the outer side of each inner semi-conductive layer, an outer semi-conductive layer is arranged on the outer side of each insulating layer, and the inner semi-conductive layer, the insulating layer and the outer semi-conductive layer are of a three-layer co-extrusion structure; the outer sides of the multiple conductive wire cores are wrapped with moisture-proof layers, and the moisture-proof layers are made of non-woven fabric tapes; a shielding layer is arranged on the outer side of the moisture-proof layer; the outside of shielding layer is provided with two steel band protective layers, the outside of two steel band protective layers is provided with the outer jacket, the outer jacket adopts the polyurethane material to make.
Further, the insulating layer is made of a cross-linked polyethylene material.
According to the technical scheme, the cross-linked polyethylene material is high in structural stability and has the characteristics of low smoke and zero halogen.
Furthermore, a filling rope is arranged in a gap between the moisture-proof layer and the multiple strands of the conductive wire cores.
According to the technical scheme, after the gaps are filled with the filling ropes, the roundness of the cross section of the cable can be enhanced, the purposes of high strength and compact structure are achieved, and moisture can be effectively prevented from permeating.
Furthermore, the shielding layer is braided and shielded by adopting a tinned copper wire, and the braiding density is not less than 80%.
According to the technical scheme, the shielding layer can prevent the magnetic field generated by large current from interfering the normal work of adjacent electrical appliances because the electric power of the large construction machinery is generally large.
Furthermore, the double-steel-strip protective layer is made of galvanized steel strips.
According to the technical scheme, the galvanized steel strip has better anti-corrosion property.
Furthermore, the stranded conducting wire cores are made of oxygen-free bare copper wires.
According to the technical scheme, the oxygen-free bare copper wire has certain oxidation resistance.
Compared with the prior art, the beneficial effects of the utility model are that:
in the technical scheme, the inner semi-conductive layer, the insulating layer and the outer semi-conductive layer are of a three-layer co-extrusion structure, so that the compactness of the interior of the power cable can be enhanced; the outer sides of the multiple conductive wire cores are wrapped with moisture-proof layers, the moisture-proof layers are made of non-woven fabric belts, and the non-woven fabric has the characteristics of moisture resistance, ventilation, flexibility, light weight, no combustion supporting, no toxicity, no irritation and low price; a shielding layer is arranged on the outer side of the moisture-proof layer; the cable has certain shielding performance; a double-steel-belt protective layer is arranged on the outer side of the shielding layer to enhance the mechanical property of the cable; an outer protective layer is arranged on the outer side of the double-steel-belt protective layer and is made of a polyurethane material; the polyurethane material has stable performance and is more durable under the severe environment with mechanical stress, and can contact various lubricants containing mineral oil components, diluted acid, alkaline aqueous solution and other chemical media, protect the power cable from the invasion of external impurities and moisture, and prevent external force from directly damaging the power cable.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a conductive wire core; 2. an inner semiconductive layer; 3. an insulating layer; 4. an outer semiconducting layer; 5. filling a rope; 6. a moisture barrier; 7. a shielding layer; 8. a double steel belt protective layer; 9. an outer jacket.
Detailed Description
In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Example one
Referring to fig. 1, the present invention provides the following technical solutions: a corrosion-resistant damp-proof power cable special for large-scale construction machinery comprises a plurality of conductive wire cores 1, wherein an inner semi-conductive layer 2 is arranged on the outer side of each conductive wire core 1, an insulating layer 3 is extruded on the outer side of each inner semi-conductive layer 2, an outer semi-conductive layer 4 is arranged on the outer side of each insulating layer 3, and the inner semi-conductive layer 2, the insulating layer 3 and the outer semi-conductive layer 4 are of a three-layer co-extrusion structure; the outer side of the multi-strand conductive wire core 1 is wrapped with a moisture-proof layer 6, and the moisture-proof layer 6 is made of a non-woven fabric tape; a shielding layer 7 is arranged on the outer side of the moisture-proof layer 6; the outside of shielding layer 7 is provided with two steel band protective layers 8, and the outside of two steel band protective layers 8 is provided with outer jacket 9, and outer jacket 9 adopts polyurethane material crowded package to make.
According to the embodiment, the insulating layer 3 is made of the cross-linked polyethylene material, and the cross-linked polyethylene material has high structural stability and low smoke and zero halogen characteristics.
According to the embodiment, the filling ropes 5 are arranged in the gaps between the moisture-proof layer 6 and the multi-strand conductive wire cores 1, and after the gaps are filled with the filling ropes 5, the section roundness of the cable can be enhanced, the purposes of high strength and compact structure are achieved, and moisture can be effectively prevented from permeating.
According to the embodiment, the shielding layer 7 is braided and shielded by adopting the tinned copper wire, the braiding density is not less than 80%, and the shielding layer 7 can prevent a magnetic field generated by large internal current from interfering the normal work of adjacent electric appliances because the electric power of large-scale construction machinery is generally large.
According to the above embodiment, the double steel strip protective layer 8 is made of a galvanized steel strip, which has better corrosion resistance properties.
According to the above embodiment, the multi-strand conductive core 1 is made of an oxygen-free bare copper wire, which has a certain antioxidant property.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a dedicated corrosion-resistant dampproofing power cable of large construction machinery, includes stranded conductor core (1), its characterized in that: an inner semi-conducting layer (2) is arranged on the outer side of the conductive wire core (1), an insulating layer (3) is extruded on the outer side of the inner semi-conducting layer (2), an outer semi-conducting layer (4) is arranged on the outer side of the insulating layer (3), and the inner semi-conducting layer (2), the insulating layer (3) and the outer semi-conducting layer (4) are of a three-layer co-extrusion structure; the moisture-proof layer (6) is wrapped on the outer side of the multiple conductive wire cores (1), and the moisture-proof layer (6) is made of a non-woven fabric tape; a shielding layer (7) is arranged on the outer side of the moisture-proof layer (6); the outside of shielding layer (7) is provided with two steel band protective layers (8), the outside of two steel band protective layers (8) is provided with outer jacket (9), outer jacket (9) adopt the polyurethane material to make.
2. The corrosion-resistant moisture-proof power cable special for large construction machinery according to claim 1, wherein: the insulating layer (3) is made of a cross-linked polyethylene material.
3. The corrosion-resistant moisture-proof power cable special for large construction machinery according to claim 1, wherein: and a filling rope (5) is arranged in a gap between the moisture-proof layer (6) and the stranded conductive wire cores (1).
4. The corrosion-resistant moisture-proof power cable special for large construction machinery according to claim 1, wherein: the shielding layer (7) is braided and shielded by adopting a tinned copper wire, and the braiding density is not less than 80%.
5. The corrosion-resistant moisture-proof power cable special for large construction machinery according to claim 1, wherein: the double-steel-strip protective layer (8) is made of galvanized steel strips.
6. The corrosion-resistant moisture-proof power cable special for large construction machinery according to claim 1, wherein: the stranded conductive wire cores (1) are made of oxygen-free bare copper wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020937065.XU CN212209025U (en) | 2020-05-28 | 2020-05-28 | Dedicated corrosion-resistant dampproofing power cable of large-scale construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020937065.XU CN212209025U (en) | 2020-05-28 | 2020-05-28 | Dedicated corrosion-resistant dampproofing power cable of large-scale construction machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212209025U true CN212209025U (en) | 2020-12-22 |
Family
ID=73812301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020937065.XU Expired - Fee Related CN212209025U (en) | 2020-05-28 | 2020-05-28 | Dedicated corrosion-resistant dampproofing power cable of large-scale construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212209025U (en) |
-
2020
- 2020-05-28 CN CN202020937065.XU patent/CN212209025U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |