CN216014870U - Underground power cable with strong pressure resistance - Google Patents
Underground power cable with strong pressure resistance Download PDFInfo
- Publication number
- CN216014870U CN216014870U CN202121854396.8U CN202121854396U CN216014870U CN 216014870 U CN216014870 U CN 216014870U CN 202121854396 U CN202121854396 U CN 202121854396U CN 216014870 U CN216014870 U CN 216014870U
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- Prior art keywords
- outer side
- power cable
- underground power
- circular ring
- layer
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- 238000013016 damping Methods 0.000 claims abstract description 28
- 239000010410 layer Substances 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 6
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229920005549 butyl rubber Polymers 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 206010003399 Arthropod bite Diseases 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses an underground power cable with strong compressive capacity, which comprises a filling core, wherein a conductive core is arranged on the inner side of the filling core, an armor layer is fixedly connected to the outer side of the filling core, a connecting layer is fixedly connected to the outer side of the armor layer, a circular ring is arranged on the outer side of the connecting layer, a vibration reduction sheet is arranged on the outer side of the circular ring, a vibration reduction bulge is fixedly connected to the inner side of the vibration reduction sheet, and an anti-corrosion wear-resistant layer is arranged on the outer side of the vibration reduction sheet. According to the utility model, the connecting layer is fixedly connected to the outer side of the armor layer, the rings are arranged on the outer side of the connecting layer, the rings are distributed outside the armor layer at intervals, the underground high-pressure environment can be adapted, the internal structure of the armor layer can be prevented from being crushed, the rings have vibration resistance by arranging the notches, the vibration damping effect can be achieved by the vibration damping sheets and the vibration damping bulges, the vibration damping and damping performance can be achieved, the water resistance is good, and the water-resistant water-proof armored cable is worthy of great popularization.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an underground power cable with high pressure resistance.
Background
A cable is made up of one or more mutually insulated conductors and an outer insulating protective layer, the conductors carrying power or information from one location to another, usually being rope-like cables stranded from several or groups of conductors (at least two in each group), each group of conductors being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering, the cable being characterized by an inner current-carrying and an outer insulation.
Patent document CN212782848U discloses an integrated cable for use in a smart city underground cable pipe gallery, which includes an integrated cable, the integrated cable includes a power cable, a signal control cable, a communication coaxial cable and a second waterproof layer, the signal pair twisted body is formed by twisting four signal pairs with different colors, and the performances of the integrated cable meet the requirements of flame retardance, water resistance, corrosion, rat and ant bite resistance, high and low temperature resistance, pressure resistance and explosion resistance; patent document CN212032746U discloses a low-voltage power cable for underground burying, which is provided with a supporting filling core, a high-strength tensile layer, a tensile breaking-proof strip, a compression-resistant supporting layer, a supporting ring, an inner corrosion-resistant layer, an insect-proof and prick-proof layer, and a corrosion-resistant protective sheath, so that the cable has strong compression resistance, tensile resistance, insect prevention, prick prevention, corrosion resistance, and the like, and is suitable for underground burying. However, the existing underground power cable still has insufficient pressure resistance, does not have a vibration damping effect, and has a short service life in the underground complex environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an underground power cable with strong pressure resistance.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an underground power cable that compressive capacity is strong, includes the packing core, the inboard of packing core is provided with electrically conductive core, the outside of electrically conductive core is provided with the protection network, the outside fixedly connected with armor of packing core, the outside fixedly connected with articulamentum of armor, the outside of articulamentum is provided with the ring, the outside of ring is provided with the damping piece, the inboard fixedly connected with damping arch of damping piece, the outside of damping piece is provided with anticorrosive wearing layer.
As a further description of the above technical solution:
and protective layers are arranged on the inner side and the outer side of the protective net.
As a further description of the above technical solution:
the vibration reduction sheet and the vibration reduction bulge are integrally formed and wound on the outer side of the circular ring.
As a further description of the above technical solution:
one side of the circular ring is provided with a notch.
As a further description of the above technical solution:
one end of the circular ring is provided with an insertion block, and the other end of the circular ring is provided with a slot.
As a further description of the above technical solution:
the material of the circular ring is a magnesium alloy steel ring.
As a further description of the above technical solution:
the protective net is a woven steel wire mesh.
The utility model has the following beneficial effects:
1. according to the utility model, the connecting layer is fixedly connected to the outer side of the armor layer, the rings are arranged on the outer side of the connecting layer, the rings are distributed outside the armor layer at intervals, the high-pressure environment underground can be adapted, the internal structure of the armor layer can be prevented from being crushed, and the rings are made of magnesium alloy steel rings, so that the high-pressure-resistant steel armor has the advantages of small density, high strength, large elastic modulus, good heat dissipation, strong impact load bearing capacity and good organic matter and alkali corrosion resistance.
2. According to the utility model, the vibration reduction sheet and the vibration reduction bulge are integrally formed and wound on the outer side of the circular ring, one side of the circular ring is provided with the notch, one end of the circular ring is provided with the insert block, the other end of the circular ring is provided with the insert slot, the circular ring is clamped with the insert block after being extruded, the circular ring has vibration resistance through the notch, the vibration reduction effect can be achieved through the vibration reduction sheet and the vibration reduction bulge, good vibration absorption and vibration reduction performance can be achieved, the water resistance is good, the underground environment with high vibration strength can be adapted, the service life is prolonged, and the vibration reduction device is worthy of being widely popularized.
Drawings
Fig. 1 is a schematic structural diagram of an underground power cable with strong pressure resistance according to the present invention;
FIG. 2 is a schematic view of a ring structure of an underground power cable with high pressure resistance according to the present invention;
fig. 3 is a schematic structural view of a vibration damping sheet of an underground power cable with high pressure resistance according to the present invention.
Illustration of the drawings:
1. a conductive core; 2. a protective net; 3. a protective layer; 4. filling the core; 5. an armor layer; 6. a connecting layer; 7. a circular ring; 8. a slot; 9. inserting a block; 10. a vibration reduction protrusion; 11. a vibration damping sheet; 12. an anti-corrosion wear-resistant layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, one embodiment provided by the present invention: an underground power cable with strong pressure resistance comprises a filling core 4, a conductive core 1 is arranged on the inner side of the filling core 4, a protective screen 2 is arranged on the outer side of the conductive core 1, an armor layer 5 is fixedly connected on the outer side of the filling core 4, a connecting layer 6 is fixedly connected on the outer side of the armor layer 5, a circular ring 7 is arranged on the outer side of the connecting layer 6, a vibration damping sheet 11 is arranged on the outer side of the circular ring 7, a vibration damping bulge 10 is fixedly connected on the inner side of the vibration damping sheet 11, the vibration damping sheet 11 and the vibration damping protrusion 10 can play a role in vibration damping, the outer side of the vibration damping sheet 11 is provided with an anti-corrosion wear-resistant layer 12, through the compressive strength of protection network 2 reinforcing conductive core 1, through the compressive strength of armor 5 and ring 7 reinforcing cable, 7 interval distribution of a plurality of ring are in the outside of armor 5, and reinforcing compressive capacity can adapt to underground high pressure environment, can prevent that its inner structure from being crushed.
The inside and outside both sides of protection network 2 all are provided with inoxidizing coating 3, play insulating and shielding effect, damping piece 11 and damping arch 10 are integrated into one piece and twine in the outside of ring 7, damping piece 11 is butyl rubber, butyl rubber is a kind of synthetic rubber, by isobutene and a small amount of isoprene synthesis, can play good vibration absorption, damping performance, still good water resistance has, it can also be heat-resisting, ozone-resistant, ageing-resistant, chemical resistance, and there is electrical insulation performance, one side of ring 7 is provided with the breach, the one end of ring 7 is provided with inserted block 9, the other end of ring 7 is provided with slot 8, slot 8 and inserted block 9 block after ring 7 is extrudeed, make ring 7 have vibration resistance through setting up the breach, the material of ring 7 is the magnesium alloy steel ring, form the alloy with the steel on the basis with magnesium, its characteristics are: the composite material has the advantages of small density, high strength, large elastic modulus, good heat dissipation, good shock absorption, larger impact load bearing capacity than aluminum alloy, good organic matter and alkali corrosion resistance, and the protective net 2 is a woven steel wire mesh.
The working principle is as follows: the outer side of the armor layer 5 is fixedly connected with the connecting layer 6, the outer side of the connecting layer 6 is provided with the circular ring 7, the outer side of the circular ring 7 is provided with the vibration reduction sheet 11, the inner side of the vibration reduction sheet 11 is fixedly connected with the vibration reduction bulge 10, the vibration reduction sheet 11 and the vibration reduction bulge 10 are integrally formed and wound on the outer side of the circular ring 7, the vibration reduction sheet 11 is made of butyl rubber, the vibration reduction effect can be achieved through the vibration reduction sheet 11 and the vibration reduction bulge 10, good vibration absorption and vibration reduction performance can be achieved, good water resistance is also achieved, the compressive strength of the conductive core 1 is enhanced through the protective net 2, the compressive strength of the cable is enhanced through the armor layer 5 and the circular ring 7, the plurality of circular rings 7 are distributed outside the armor layer 5 at intervals, the compressive capacity is enhanced, the cable can adapt to the underground high-pressure environment, the internal structure of the cable can be prevented from being crushed, one side of the circular ring 7 is provided with a notch, one end of the circular ring 7 is provided with the inserting block 9, the other end of ring 7 is provided with slot 8, and slot 8 and inserted block 9 block behind ring 7 is extruded make ring 7 have the shock resistance through setting up the breach to the material of ring 7 is magnesium alloy steel ring, and it is little to have a density, and intensity is high, and elastic modulus is big, and the heat dissipation is good, and the shock absorption is good, and it is big to bear the impact load ability than the aluminum alloy, the advantage that the corrosion behavior of resistant organic matter and alkali is good.
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 or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. An underground power cable with strong pressure resistance, which comprises a filling core (4), and is characterized in that: the utility model discloses a damping device, including packing core (4), the inboard of packing core (4) is provided with conductive core (1), the outside of conductive core (1) is provided with protection network (2), the outside fixedly connected with armor (5) of packing core (4), the outside fixedly connected with articulamentum (6) of armor (5), the outside of articulamentum (6) is provided with ring (7), the outside of ring (7) is provided with damping piece (11), the inboard fixedly connected with damping arch (10) of damping piece (11), the outside of damping piece (11) is provided with anticorrosive wearing layer (12).
2. A high pressure resistant underground power cable according to claim 1, wherein: the protective layer (3) is arranged on the inner side and the outer side of the protective net (2).
3. A high pressure resistant underground power cable according to claim 1, wherein: the vibration reduction sheet (11) and the vibration reduction bulge (10) are integrally formed and are wound on the outer side of the circular ring (7).
4. A high pressure resistant underground power cable according to claim 1, wherein: one side of the circular ring (7) is provided with a notch.
5. A high pressure resistant underground power cable according to claim 1, wherein: one end of the circular ring (7) is provided with an insertion block (9), and the other end of the circular ring (7) is provided with a slot (8).
6. A high pressure resistant underground power cable according to claim 1, wherein: the circular ring (7) is made of a magnesium alloy steel ring.
7. A high pressure resistant underground power cable according to claim 1, wherein: the protective net (2) is a woven steel wire mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121854396.8U CN216014870U (en) | 2021-08-10 | 2021-08-10 | Underground power cable with strong pressure resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121854396.8U CN216014870U (en) | 2021-08-10 | 2021-08-10 | Underground power cable with strong pressure resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216014870U true CN216014870U (en) | 2022-03-11 |
Family
ID=80588372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121854396.8U Expired - Fee Related CN216014870U (en) | 2021-08-10 | 2021-08-10 | Underground power cable with strong pressure resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216014870U (en) |
-
2021
- 2021-08-10 CN CN202121854396.8U patent/CN216014870U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220311 |