CN220208586U - Special compression-resistant flexible cable - Google Patents
Special compression-resistant flexible cable Download PDFInfo
- Publication number
- CN220208586U CN220208586U CN202321431435.2U CN202321431435U CN220208586U CN 220208586 U CN220208586 U CN 220208586U CN 202321431435 U CN202321431435 U CN 202321431435U CN 220208586 U CN220208586 U CN 220208586U
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- Prior art keywords
- wall
- buffer
- flexible cable
- layer
- cable
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- 230000006835 compression Effects 0.000 title claims abstract description 35
- 238000007906 compression Methods 0.000 title claims abstract description 35
- 239000000945 filler Substances 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 16
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 74
- 230000004888 barrier function Effects 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 4
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 241000238631 Hexapoda Species 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 230000009545 invasion Effects 0.000 description 4
- 241000257303 Hymenoptera Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000700159 Rattus Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Installation Of Indoor Wiring (AREA)
Abstract
The utility model discloses a special compression-resistant flexible cable which comprises a cable core, wherein the outer wall of the cable core is wrapped with a shell, the outer wall of the shell is provided with flame-retardant filler, and the outer part of the flame-retardant filler is provided with a supporting framework. This special type resistance to compression flexible cable through the setting of braced skeleton, buffer module to in this special type resistance to compression flexible cable use, through the braced skeleton of equilateral triangular prism column structure can effectively ensure that its inside cable core can not be impaired under high pressure, simultaneously through the setting of fire-retardant filler, avoid the inside fire of braced skeleton and make a plurality of cable cores damage, simultaneously through buffer layer, the setting of buffering hole, thereby can cushion external pressure, the setting of cooperation buffer module simultaneously, and then further cushion pressure through a plurality of buffer springs, guaranteed the compressive property of this special type resistance to compression flexible cable, and then improved the life of this special type resistance to compression flexible cable.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a special compression-resistant flexible cable.
Background
The power cable is widely applied to urban underground power grids, outgoing lines of power stations, power supply in industrial and mining enterprises, through lines of railways, underwater power lines passing through rivers and strait, and the like, in recent years, the power cable lines in urban power grids in China are rapidly increased, and requirements on cables are higher and higher, so that flexible cables are needed in some special environments.
As disclosed in chinese patent CN202222666443.7, a special composite flexible cable is known, which comprises a cable core, a filler wrapped on the surface of the cable core, and a combined sheath layer extruded outside the filler, wherein the cable core is composed of four insulated wires, each insulated wire is composed of a copper flexible conductor and an insulation layer coaxially extruded outside the copper flexible conductor; the combined sheath layer comprises a wrapping belt wrapped on the outer layer of the filler, an inner sheath layer wrapped outside the wrapping belt and used for preventing rats and ants, and an outer sheath layer. Aiming at the problems of serious defects in cold resistance, oxidation resistance and the like in the prior art, cracks are easy to generate when the sheath is fragile and bent, the use safety is low and the like, the utility model has the advantages of excellent electrical performance, ageing resistance, cold resistance, acid and alkali resistance and the like, better flexibility, difficult occurrence of cracks and the like under the low-temperature condition.
Based on the search of the prior art, it is known that most special cables in the prior art adopt mechanical equipment or use special materials to wrap to achieve high strength and compression resistance, but the compression resistance equipment is required to be installed on the cables in part of special cables to relieve the pressure in the underground and the water, the compression resistance of the cables can not be increased due to the fact that materials cannot be filled in the cables, the cables are easy to damage, and the capital expenditure is increased.
Disclosure of Invention
The utility model aims to provide a special compression-resistant flexible cable for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special resistance to compression flexible cable, includes the cable core, the outer wall parcel of cable core has the shell, and the outer wall of shell is provided with fire-retardant filler, fire-retardant outside of packing is provided with braced frame, and braced frame's outer wall laminating is provided with the buffer layer, the inside equidistance of buffer layer is provided with the buffer hole, braced frame's outer wall still equidistance is provided with buffer assembly.
Preferably, the buffer component comprises a cylinder, and one end part of the cylinder is fixedly connected to the outer wall of the supporting framework.
Preferably, the inner wall of the cylinder is fixedly connected with a buffer spring, and the other end part of the buffer spring is fixedly connected with a jacking column.
Preferably, the outer wall sliding connection of jack-prop is at the inner wall of barrel, and the one end of jack-prop supports at the inner wall of buffer layer through buffer spring.
Preferably, a protective layer is filled between the outer wall of the supporting framework and the inner wall of the buffer layer, and the supporting framework is of an equilateral triangular prism structure.
Preferably, the outer wall of the buffer layer is provided with an insulating layer, and the inside of the insulating layer is provided with a barrier layer.
Preferably, the outer wall of the insulating layer is provided with a shielding layer, and the outer wall of the shielding layer is provided with an outer sheath.
Compared with the prior art, the utility model has the beneficial effects that: the special compression-resistant flexible cable is characterized in that the cable is a cable;
1. through braced skeleton, buffer module's setting to in this special resistance to compression flexible cable use, the braced skeleton through equilateral triangular prism column structure can effectively ensure that its inside cable core can not be impaired under high pressure, simultaneously through the setting of fire-retardant filler, avoid the inside fire of braced skeleton and make a plurality of cable cores damage, simultaneously through buffer layer, buffer hole's setting, thereby can cushion external pressure, cooperate buffer module's setting simultaneously, and then further cushion pressure through a plurality of buffer springs, the compressive property of this special resistance to compression flexible cable has been guaranteed, and then the life of this special resistance to compression flexible cable has been improved.
2. Through the setting of insulating layer to in this special resistance to compression flexible cable use, avoid appearing the electric leakage condition, improve the safety in utilization, set up through the barrier layer simultaneously, thereby can dispel the insect through insect-proof ant material to the insect, with avoid insect invasion to bite broken insulating layer and appear the potential safety hazard, simultaneously through the setting of shielding layer, thereby can avoid external electromagnetism to cause the interference to working signal, and then improved the practicality of this special resistance to compression flexible cable.
Drawings
FIG. 1 is a schematic overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the integral part of the present utility model;
FIG. 3 is a schematic view of a buffer assembly according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
In the figure: 1. a cable core; 2. a housing; 3. flame retardant filler; 4. a support skeleton; 5. a buffer layer; 6. buffering holes; 8. a protective layer; 9. an insulating layer; 10. a barrier layer; 11. a shielding layer; 12. an outer sheath; 7. a buffer assembly; 701. a cylinder; 702. a buffer spring; 703. and (5) a top column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a special resistance to compression flexible cable, including cable core 1, cable core 1's outer wall parcel has shell 2, and shell 2's outer wall is provided with fire-retardant packing 3, and fire-retardant packing 3's outside is provided with supporting framework 4, then supporting framework 4's outer wall laminating is provided with buffer layer 5, and buffer layer 5's inside equidistance is provided with buffer hole 6, and supporting framework 4's outer wall still equidistance is provided with buffer assembly 7, further buffer assembly 7 includes barrel 701, and barrel 701 one end fixed connection is at supporting framework 4's outer wall, and barrel 701's inner wall fixed connection buffer spring 702, then buffer spring 702's other end fixed connection has jack-prop 703, and jack-prop 703's outer wall sliding connection is at barrel 701's inner wall, and one end of jack-prop 703 supports at buffer layer 5's inner wall through buffer spring 702, simultaneously supporting framework 4's outer wall and buffer layer 5's inner wall between pack have protective layer 8, and supporting framework 4 are equilateral triangular prism column structure;
more specifically, in the present embodiment, during the use of the special compression-resistant flexible cable, the outer wall of the cable core 1 is wrapped with the outer shell 2, the outer wall of the outer shell 2 is provided with the flame-retardant filler 3, and the outer part of the flame-retardant filler 3 is provided with the supporting framework 4, so that the damage of a plurality of cable cores 1 caused by the internal firing of the supporting framework 4 can be avoided, meanwhile, the supporting framework 4 is in an equilateral triangular prism-shaped structure, so that the cable core 1 in the cable core 1 under high pressure can be effectively ensured not to be damaged, then, the buffer layer 5 is attached to the outer wall of the supporting framework 4, and the buffer holes 6 are equidistantly arranged in the buffer layer 5, so that when the cable is subjected to pressure, the buffer holes 6 in the buffer layer 5 can effectively buffer pressure, and meanwhile, one end part of the supporting column 703 is propped against the inner wall of the buffer layer 5 through the buffer springs 702, so that when the buffer layer 5 is compressed to squeeze the plurality of supporting columns 703, the pressure can be further buffered through the buffer springs 702, and the compression-resistant performance of the special compression-resistant flexible cable is ensured;
through as above to in this special type resistance to compression flexible cable use, can effectively ensure through equilateral triangular prism structure's braced skeleton 4 that its inside cable core 1 can not be impaired under high pressure, simultaneously through the setting of fire-retardant filler 3, avoid braced skeleton 4 inside to fire and make a plurality of cable cores 1 destroy, simultaneously through buffer layer 5, buffer hole 6's setting, thereby can cushion external pressure, cooperate buffer module 7's setting simultaneously, and then further cushion pressure through a plurality of buffer springs 702, guaranteed the compressive property of this special type resistance to compression flexible cable, and then improved the life of this special type resistance to compression flexible cable.
Embodiment two:
on the basis of the above embodiment, the outer wall of the buffer layer 5 is provided with the insulating layer 9, and the inside of the insulating layer 9 is provided with the barrier layer 10, and the outer wall of the insulating layer 9 is provided with the shielding layer 11, while the outer wall of the shielding layer 11 is provided with the outer sheath 12;
more specifically, in this embodiment, in the use process of the special compression-resistant flexible cable, the insulation layer 9 is arranged on the outer wall of the buffer layer 5, so that the electric leakage condition can be avoided in the use process, the use safety of the cable is improved, meanwhile, in order to avoid potential safety hazards caused by invasion of insects and ants into the insulation layer 9 in the use process, the barrier layer 10 is arranged in the insulation layer 9, and insect and ant preventing substances are contained in the barrier layer 10, so that the insects and ants can be repelled by the insect and ant preventing substances, and then the shielding layer 11 is arranged on the outer wall of the insulation layer 9, so that the influence of external electromagnetic interference on the cable can be limited;
through as mentioned above to in this special resistance to compression flexible cable use, avoid appearing the electric leakage condition, improve the safety in utilization, simultaneously through the setting of barrier layer 10, thereby can dispel the worm ant through protection against insects ant material, with avoid the invasion of worm ant to bite broken insulating layer 9 and appear the potential safety hazard, simultaneously through the setting of shielding layer 11, thereby can avoid external electromagnetism to cause the interference to working signal, and then improved the practicality of this special resistance to compression flexible cable.
Working principle: when the special compression-resistant flexible cable is used, the flame-retardant filler 3 is arranged on the outer wall of the shell 2, and the supporting framework 4 is arranged outside the flame-retardant filler 3, so that the damage of a plurality of cable cores 1 caused by the internal firing of the supporting framework 4 can be avoided, meanwhile, the supporting framework 4 is in an equilateral triangular prism-shaped structure, so that the cable cores 1 in the cable can be effectively ensured not to be damaged under high pressure, meanwhile, when the cable is pressurized, the buffer hole 6 in the buffer layer 5 can effectively buffer pressure, and meanwhile, one end part of the top column 703 is propped against the inner wall of the buffer layer 5 through the buffer spring 702, so that when the buffer layer 5 is pressurized and the plurality of top columns 703 are extruded, the pressure can be further buffered through the plurality of buffer springs 702, and the compression resistance of the special compression-resistant flexible cable is ensured;
the outer wall through buffer layer 5 is provided with insulating layer 9 then to can avoid appearing the electric leakage condition in the use, improve the security when this cable is used, simultaneously for avoiding the invasion of worm ant and biting broken insulating layer 9 and appear the potential safety hazard in the use, contain the protection against insects ant material in through barrier layer 10, thereby can expel the worm ant through protection against insects ant material, be provided with shielding layer 11 through the outer wall of insulating layer 9 then, thereby can restrict the influence of outside electromagnetic interference to this cable.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A special compression-resistant flexible cable, which comprises a cable core (1), and is characterized in that: the outer wall of the cable core (1) is wrapped with a shell (2), the outer wall of the shell (2) is provided with a flame-retardant filler (3), the outer part of the flame-retardant filler (3) is provided with a supporting framework (4), the outer wall of the supporting framework (4) is attached with a buffer layer (5), buffer holes (6) are formed in the buffer layer (5) at equal intervals, and buffer components (7) are further arranged on the outer wall of the supporting framework (4) at equal intervals;
the buffer assembly (7) comprises a cylinder (701), and one end part of the cylinder (701) is fixedly connected to the outer wall of the supporting framework (4);
the inner wall of the cylinder body (701) is fixedly connected with a buffer spring (702), and the other end part of the buffer spring (702) is fixedly connected with a jack-prop (703);
the outer wall of the top column (703) is slidably connected to the inner wall of the cylinder body (701), and one end part of the top column (703) is abutted against the inner wall of the buffer layer (5) through a buffer spring (702);
a protective layer (8) is filled between the outer wall of the supporting framework (4) and the inner wall of the buffer layer (5), and the supporting framework (4) is of an equilateral triangular prism structure.
2. A special compression-resistant flexible cable according to claim 1, characterized in that the outer wall of the buffer layer (5) is provided with an insulating layer (9), and that the inside of the insulating layer (9) is provided with a barrier layer (10).
3. A special compression-resistant flexible cable according to claim 2, characterized in that the outer wall of the insulating layer (9) is provided with a shielding layer (11), and the outer wall of the shielding layer (11) is provided with an outer jacket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321431435.2U CN220208586U (en) | 2023-06-05 | 2023-06-05 | Special compression-resistant flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321431435.2U CN220208586U (en) | 2023-06-05 | 2023-06-05 | Special compression-resistant flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220208586U true CN220208586U (en) | 2023-12-19 |
Family
ID=89148805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321431435.2U Active CN220208586U (en) | 2023-06-05 | 2023-06-05 | Special compression-resistant flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220208586U (en) |
-
2023
- 2023-06-05 CN CN202321431435.2U patent/CN220208586U/en active Active
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