CN213815581U - Compression-resistant flexible cable - Google Patents
Compression-resistant flexible cable Download PDFInfo
- Publication number
- CN213815581U CN213815581U CN202023290088.5U CN202023290088U CN213815581U CN 213815581 U CN213815581 U CN 213815581U CN 202023290088 U CN202023290088 U CN 202023290088U CN 213815581 U CN213815581 U CN 213815581U
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- China
- Prior art keywords
- layer
- inner liner
- cable
- steel wire
- wire armor
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- Expired - Fee Related
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- 230000006835 compression Effects 0.000 title abstract description 23
- 238000007906 compression Methods 0.000 title abstract description 23
- 239000010410 layer Substances 0.000 claims abstract description 80
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 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 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of cables, a resistance to compression flexible cable is disclosed, include: an outer protective layer; the inner surface of the outer protective layer is provided with a steel wire armor layer with a matched shape, and the outer protective layer is fixedly connected with the steel wire armor layer; the steel wire armor layer is internally provided with an inner liner layer with a matched shape, and is wrapped on the inner liner layer and fixedly connected with the inner liner layer; a flexible strip is arranged inside the inner liner in a matching manner, a gap is formed between the flexible strip and the inner liner, and a glass fiber rope is arranged in the gap in a matching manner; a plurality of symmetrically arranged cable core assemblies are matched and arranged on the flexible strip; the flexible strip middle part matches and is equipped with the round hole, matches in the round hole and is equipped with the buffer layer. The utility model discloses increased the whole flexibility of cable, made the cable have better bendability, can resist outside pressure simultaneously, the crushing resistance is better, has still alleviateed the holistic weight of cable to make it have buffering and support the protection effect.
Description
Technical Field
The utility model relates to a resistance to compression cable technical field especially relates to resistance to compression flexible cable.
Background
The cables usually comprise low-voltage, heavy-voltage and high-voltage cables, the cables are applied to power transmission and distribution, the working environments of the cables are various, the cables are hung in the air, and the cables are laid underground, and under some special conditions, the cables need to have a certain compression-resistant function, so that the flexibility of the cables is met, and the cables also have an anti-extrusion function;
common cable buries when using underground, use the steel wire armor to offset the pressure of underground usually, prevent outside destruction, these cables generally use the copper as the conductor, outside general parcel insulating layer, interior sheath, the filling layer, steel wire armor and outer jacket, these parcel layers make cable self weight increase, the flexibility is lower, a deformation during the pressurized, holistic resistance to compression function is not ideal enough yet, especially use when filling electric pile (filling and exchanging the power station and using) at the auto-ignition, long-time and frequent rolling, trample, under dragging and the exposed environment uses, the life-span consumption of cable accelerates, produce the fracture, the condition such as inner core fracture.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcomings existing in the prior art and providing a compression-resistant flexible cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a crush resistant flexible cable comprising: an outer protective layer; the inner surface of the outer protective layer is provided with a steel wire armor layer with a matched shape, and the outer protective layer is fixedly connected with the steel wire armor layer; the steel wire armor layer is internally provided with an inner liner layer with a matched shape, and is wrapped on the inner liner layer and fixedly connected with the inner liner layer; a flexible strip is arranged inside the inner liner in a matching mode, a gap exists between the flexible strip and the inner liner, and a glass fiber rope is arranged in the gap in a matching mode; a plurality of symmetrically arranged cable core assemblies are matched and arranged on the flexible strip; the middle part of the flexible strip is provided with a round hole in a matching mode, and a buffer layer is arranged in the round hole in a matching mode.
Preferably, the outer protective layer is a polyvinyl chloride wrapping layer.
Preferably, the inner liner layer is a polyethylene wrapping layer.
Preferably, the cable core assembly comprises an insulating layer and a shielding layer, the shielding layer wraps the outer side of the insulating layer, and a copper battery core is fixedly matched in the insulating layer.
Preferably, the flexible strip is made of rubber.
Preferably, honeycomb-shaped reinforcing ribs are fixedly matched and arranged in the buffer layer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the compression-resistant flexible cable is provided with the flexible strips, so that the effect of ensuring the whole flexibility of the cable can be achieved, the cable has better flexibility, the cable is made of rubber materials and has certain physical compression resistance, the compression resistance is better, the buffer layer is arranged in the flexible strips, the whole weight of the cable is reduced, and meanwhile, the cable has certain buffering and supporting protection effects when being compressed, and the compression resistance of the cable is further increased;
2. this resistance to compression flexible cable is through setting up outer protective layer and steel wire armor to further play the effect of protection resistance to compression flexible cable structural integrity, the effectual life who increases resistance to compression flexible cable, through setting up the inner liner, thereby play better position and prescribe a limit to the effect, still have better support nature, through set up glass fiber rope in the inner liner, have the flame retardant efficiency of high performance when having increased the cable flexibility.
Drawings
Fig. 1 is a schematic structural view of a compression-resistant flexible cable according to the present invention;
fig. 2 is the utility model provides a vertical cross-sectional structure schematic diagram of resistance to compression flexible cable.
In the figure: the cable comprises an outer protective layer 1, a steel wire armor layer 2, an inner liner layer 3, a flexible strip 4, a glass fiber rope 5, an insulating layer 6, a shielding layer 7, a copper battery core 8 and a buffer layer 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a crush resistant flexible cable includes: the outer protective layer 1, the outer protective layer 1 plays the role of external protection; the inner surface of the outer protective layer 1 is provided with the steel wire armor layer 2 with a matched shape, the steel wire armor layer 2 is made of steel wire materials and has certain stretchability, the steel wire armor layer 2 protects the structural integrity and the electrical performance of the compression-resistant flexible cable, and the service life of the compression-resistant flexible cable is prolonged; the outer protection layer 1 is fixedly connected with the steel wire armor layer 2, and the outer protection layer 1 is fixedly connected with the steel wire armor layer 2, so that better stability is ensured; the steel wire armor layer 2 is internally provided with an inner liner layer 3 with a matched shape, the steel wire armor layer 2 is wrapped on the inner liner layer 3, the steel wire armor layer 2 is fixedly connected with the inner liner layer 3, and the inner liner layer 3 plays a role in isolating the steel wire armor layer 2; the inner liner 3 is internally provided with the flexible strips 4 in a matching way, the flexible strips 4 have good flexibility, gaps exist between the flexible strips 4 and the inner liner 3, the glass fiber ropes 5 are arranged in the gaps in a matching way, and the glass fiber ropes 5 have good drawability and certain fire resistance; a plurality of symmetrically arranged cable core components are matched and arranged on the flexible strip 4, and the plurality of cable core components are arranged correspondingly to compound the electrical characteristics; the middle part of the flexible strip 4 is provided with a round hole in a matching way, a buffer layer 9 is matched and arranged in the round hole, and the buffer layer 9 plays a role of buffer support;
the outer protective layer 1 is a polyvinyl chloride wrapping layer, is made of a soft polyvinyl chloride material, accords with the characteristics of the compression-resistant flexible cable, has the characteristics of corrosion resistance and aging resistance, and prolongs the insulation property and the service life of the compression-resistant flexible cable;
the inner liner layer 3 is a polyethylene wrapping layer, and polyethylene is non-toxic, odorless and good in insulating property and plays a role in insulation protection;
the cable core assembly comprises an insulating layer 6 and a shielding layer 7, the shielding layer 7 wraps the outer side of the insulating layer 6, a copper battery core 8 is fixedly matched in the insulating layer 6, the insulating layer 6 ensures the safety of the copper battery core 8, and the shielding layer 7 provides good electrical property for the copper battery core 8;
the flexible strips 4 are made of rubber, are soft in texture and have good pressure resistance, and can restore to the original shape after being deformed;
wherein, buffer layer 9 internal fixation matches and is equipped with cellular strengthening rib, and cellular strengthening rib adopts the rubber material, and cellular strengthening rib is favorable to buffering external force, has certain supporting role, still has the characteristic of quick recovery original state.
The utility model provides a resistance to compression flexible cable is in the use, when the cable received external pressure, external protection layer 1 played the effect to external protection, and steel wire armor 2 plays the structural integrity of protection resistance to compression flexible cable, and pressure extrusion flexible strip 4, and then buffer layer 9 receives the extrusion, takes place the shrink, plays the buffering guard action to a plurality of cable core subassemblies, and flexible strip 4 cooperates with buffer layer 9, when guaranteeing flexibility, still avoids a plurality of cable core subassemblies to be compressed and warp. In practical application, the electric core is particularly suitable for being used for mopping for a long time, the influence of dragging, treading and wheel rolling can be prevented, and the impact and the influence on the breakage of the electric core are reduced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A crush-resistant flexible cable, comprising:
an outer protective layer (1);
the inner surface of the outer protection layer (1) is provided with a steel wire armor layer (2) with a matched shape, and the outer protection layer (1) is fixedly connected with the steel wire armor layer (2);
the steel wire armor layer (2) is internally provided with an inner liner layer (3) with a matched shape, the steel wire armor layer (2) is wrapped on the inner liner layer (3), and the steel wire armor layer (2) is fixedly connected with the inner liner layer (3);
a flexible strip (4) is arranged inside the inner liner (3) in a matching manner, a gap exists between the flexible strip (4) and the inner liner (3), and a glass fiber rope (5) is arranged in the gap in a matching manner;
a plurality of symmetrically arranged cable core assemblies are matched and arranged on the flexible strip (4);
the middle part of the flexible strip (4) is provided with a round hole in a matching way, and a buffer layer (9) is arranged in the round hole in a matching way.
2. The crush-resistant flexible cable according to claim 1, wherein the outer protective layer (1) is a polyvinyl chloride wrapping.
3. The crush-resistant flexible cable as recited in claim 1, wherein the inner liner (3) is a polyethylene wrapping.
4. The pressure-resistant flexible cable according to claim 1, wherein the cable core assembly comprises an insulating layer (6) and a shielding layer (7), the shielding layer (7) is wrapped outside the insulating layer (6), and a copper battery core (8) is fixedly arranged in the insulating layer (6) in a matching manner.
5. The crush-resistant flexible cable as claimed in claim 1, wherein the flexible strips (4) are of rubber material.
6. The cable according to any of claims 1 to 5, wherein the buffer layer (9) comprises honeycomb reinforcement ribs arranged in a fixed mating arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023290088.5U CN213815581U (en) | 2020-12-30 | 2020-12-30 | Compression-resistant flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023290088.5U CN213815581U (en) | 2020-12-30 | 2020-12-30 | Compression-resistant flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213815581U true CN213815581U (en) | 2021-07-27 |
Family
ID=76948875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023290088.5U Expired - Fee Related CN213815581U (en) | 2020-12-30 | 2020-12-30 | Compression-resistant flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213815581U (en) |
-
2020
- 2020-12-30 CN CN202023290088.5U patent/CN213815581U/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: 20210727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |