CN211319794U - Power cable with good wear resistance - Google Patents
Power cable with good wear resistance Download PDFInfo
- Publication number
- CN211319794U CN211319794U CN201922410886.8U CN201922410886U CN211319794U CN 211319794 U CN211319794 U CN 211319794U CN 201922410886 U CN201922410886 U CN 201922410886U CN 211319794 U CN211319794 U CN 211319794U
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- cable
- wear
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- resistant
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- 239000003063 flame retardant Substances 0.000 claims abstract description 28
- 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 25
- 238000005299 abrasion Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- 230000000916 dilatatory effect Effects 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 42
- 239000007787 solid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- Ropes Or Cables (AREA)
Abstract
The utility model discloses a power cable that abrasion resistance is good, including cable and wear-resisting district, the cable outer fringe is provided with the wear-resisting district of a plurality of groups, is provided with dilatory district between two sets of wear-resisting districts, and the symmetry is provided with two sets of handles that draw in dilatory district, wear-resisting district includes wear-resisting ball and wear-resisting strip, the cable has set gradually fire-retardant filling layer, enhancement layer, insulating layer, crushing resistance layer, outer flame retardant coating and restrictive coating from inside to outside, wear-resisting ball and wear-resisting strip set up and all set up in the restrictive coating, the symmetry is provided with four group's cable cores in the fire-retardant filling layer, the center that uses the cable in the fire-retardant filling layer is provided with four first tensile ropes of group as centre of a circle annular array, the inside center that uses the. This power cable that wear resistance is good, reasonable in design can improve power cable's wear-resisting tensile and compressive property, improves cable life, is fit for using widely.
Description
Technical Field
The utility model belongs to the technical field of the cable, concretely relates to power cable that abrasion resistance is good.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. Most cables are fixed and have low requirements on the wear resistance of the cables, but some power cables have high requirements on the wear resistance, such as cables which are frequently moved outdoors, cables for mobile power supply in industrial and mining enterprises and the like. Since these cables are often rubbed against the ground, if they are not wear resistant, the protective layer of the cable may be worn over time, with serious consequences.
The existing power cable is poor in wear resistance, and is inconvenient for workers to drag and move due to smooth surface when dragging and moving.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power cable that abrasion resistance is good to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a power cable with good wear resistance comprises a cable and wear-resistant areas, wherein a plurality of groups of wear-resistant areas are arranged on the outer edge of the cable, a dragging area is arranged between the two groups of wear-resistant areas, two groups of pull handles are symmetrically arranged in the dragging area, the wear-resistant area comprises wear-resistant balls and wear-resistant strips, the wear-resistant strips are arranged in an annular array by taking the center of the cable as the circle center, a plurality of groups of wear-resistant balls are arranged between two groups of wear-resistant strips at the outer edge of the cable at equal intervals, the wear-resistant balls are in a semicircular spherical structure, the cable is sequentially provided with a flame-retardant filling layer, a reinforcing layer, an insulating layer, a pressure-resistant layer, an outer flame-retardant layer and a sheath layer from inside to outside, the wear-resistant balls and the wear-resistant strips are arranged in the sheath layer, four groups of cable cores are symmetrically arranged in the flame-retardant filling layer, four groups of first tensile ropes are arranged in the flame-retardant filling layer in an annular array by taking the center of the cable as the circle center, and a plurality of groups of second anti-pulling ropes are arranged in the outer flame-retardant layer in an annular array by taking the center of the cable as the circle center.
Preferably, the first tensile rope is formed by gluing a plurality of groups of thin steel wires together, the second tensile rope is formed by weaving a plurality of groups of nylon ropes and a plurality of groups of metal wires in a combined mode, and the first tensile rope and the second tensile rope extend along the length direction of the cable.
Preferably, the enhancement layer is the crisscross network structure that forms of a plurality of groups iron wire combination, the anti-pressure layer includes circular solid fixed cylinder and support bar, and the inner edge of solid fixed cylinder uses the barrel center of solid fixed cylinder to be centre of a circle annular array and is provided with the trapezoidal hollow support bar of a plurality of groups, and the support bar is fixed on solid fixed cylinder inner edge.
Preferably, the outer flame-retardant layer is formed by extruding and wrapping low-smoke halogen-free weather-resistant flame-retardant ceramic polyolefin sheath materials, and the flame-retardant filling layer is formed by overlapping and wrapping nanometer low-smoke halogen-free fireproof silica gel tapes.
Preferably, the outer edge of the cable core is provided with a covering layer comprising the cable core, the cable is a metal conductor formed by stranding a plurality of wires, and the insulating layer and the covering layer are both made of crosslinked polyethylene.
The utility model discloses a technological effect and advantage: this power cable that wear resistance is good, through setting up the wear-resisting district at the cable outer fringe, wear-resisting ball of a plurality of groups that the annular array distributes on the wear-resisting district and a plurality of groups that the equidistance between two sets of wear-resisting strip set up, can be in the working process as far as possible avoid cable foreign language ground contact, through setting up the handle that draws outside the cable, can be when needs cable removal, draw the handle, and then make things convenient for the cable to remove, through setting up the first tensile rope of a plurality of groups and the second tensile rope that sets up at the inside annular array of cable, can improve the tensile strength of cable, avoid pulling cable in-process cable and appear damaging. This power cable that wear resistance is good, reasonable in design can improve power cable's wear-resisting tensile and compressive property, improves cable life, is fit for using widely.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention;
fig. 3 is a schematic structural view of the anti-pressure layer of the present invention.
In the figure: the cable comprises a cable 1, a flame-retardant filling layer 2, a reinforcing layer 3, an insulating layer 4, a pressure-resistant layer 5, a support bar 51, an outer flame-retardant layer 6, a sheath layer 7, a wear-resistant area 8, a wear-resistant ball 9, a wear-resistant strip 10, a pull handle 11, a cable core 12, a first tensile rope 13 and a second tensile rope 14.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a power cable with good wear resistance as shown in figures 1-3, which comprises a cable 1 and a wear-resistant area 8, wherein a plurality of groups of wear-resistant areas 8 are arranged at the outer edge of the cable 1, a dragging area is arranged between the two groups of wear-resistant areas 8, two groups of pull handles 11 are symmetrically arranged in the dragging area, the wear-resistant area 8 comprises wear-resistant balls 9 and wear-resistant strips 10, six groups of wear-resistant strips 10 are arranged in an annular array by taking the center of the cable 1 as the circle center, a plurality of groups of wear-resistant balls 9 are equidistantly arranged between the two groups of wear-resistant strips 10 at the outer edge of the cable 1, the wear-resistant balls 9 are in a semicircular spherical structure, the cable 1 is sequentially provided with a flame-retardant filling layer 2, a reinforcing layer 3, an insulating layer 4, a pressure-resistant layer 5, an outer flame-retardant layer 6 and a sheath layer 7 from inside to outside, the wear-resistant balls, four groups of first tensile ropes 13 are arranged in the flame-retardant filling layer 2 in an annular array by taking the center of the cable 1 as a circle center, and a plurality of groups of second tensile ropes 14 are arranged in the outer flame-retardant layer 6 in an annular array by taking the center of the cable 1 as a circle center.
Specifically, the first tensile rope 13 is formed by gluing a plurality of groups of thin steel wires together, the second tensile rope 14 is formed by weaving a plurality of groups of nylon ropes and a plurality of groups of metal wires in a combined manner, and the first tensile rope 13 and the second tensile rope 14 extend along the length direction of the cable.
Specifically, the enhancement layer 3 is the crisscross network structure that forms of a plurality of groups iron wire combinations, the anti-pressure layer 5 includes circular solid fixed cylinder and support bar 51, and the inner edge of solid fixed cylinder uses the bobbin centre of solid fixed cylinder to be provided with the trapezoidal hollow support bar 51 of a plurality of groups as centre of a circle annular array, and support bar 51 is fixed on solid fixed cylinder inner edge.
Specifically, the outer flame-retardant layer 6 is formed by extruding and wrapping low-smoke halogen-free weather-resistant flame-retardant ceramic polyolefin sheath materials, and the flame-retardant filling layer 2 is formed by overlapping and wrapping nanometer low-smoke halogen-free fireproof silica gel tapes.
Specifically, the outer edge of the cable core 12 is provided with a covering layer including the cable core 12, the cable 1 is a metal conductor formed by twisting a plurality of wires on the cable core 12, and the insulating layer 4 and the covering layer are both made of cross-linked polyethylene.
Specifically, this power cable that wear resistance is good, in operation, when needing cable 1 to remove, the pulling is drawn 11, through drawing 11 and then drawing cable 1 and remove, when cable 1 removes, a plurality of groups wear-resisting ball 9 and wear-resisting strip 10 that set up on cable 1 can carry out auxiliary stay to cable 1 at the removal in-process, avoid 1 outer wall of cable and ground contact drag, draw the tensile effect that first stretch-proofing rope 13 of in-process, and second stretch-proofing rope 14 can guarantee cable 1, avoid the condition such as fracture to appear in cable 1, the compressive layer 5 and the enhancement layer 3 of 1 inside compressive layer of cable can be improving the compressive bearing ability of cable 1, and then avoid cable 1 to appear damaging. This power cable that wear resistance is good, reasonable in design can improve power cable's wear-resisting tensile and compressive property, improves cable life, is fit for using widely.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. A power cable with good abrasion resistance performance comprises a cable (1) and an abrasion-resistant area (8), and is characterized in that: the cable comprises a cable (1), and is characterized in that a plurality of groups of wear-resistant areas (8) are arranged on the outer edge of the cable (1), a dragging area is arranged between the two groups of wear-resistant areas (8), two groups of pull handles (11) are symmetrically arranged in the dragging area, each wear-resistant area (8) comprises a wear-resistant ball (9) and a wear-resistant strip (10), the wear-resistant strips (10) are arranged in an annular array by taking the center of the cable (1) as the circle center, a plurality of groups of wear-resistant balls (9) are arranged between the two groups of wear-resistant strips (10) on the outer edge of the cable (1) at equal intervals, each wear-resistant ball (9) is of a semicircular spherical structure, the cable (1) is sequentially provided with a flame-retardant filling layer (2), a reinforcing layer (3), an insulating layer (4), a compression-resistant layer (5), an outer flame-retardant layer (6) and a sheath layer (7), the wear-resistant balls, four groups of first tensile ropes (13) are arranged in the flame-retardant filling layer (2) in an annular array by taking the center of the cable (1) as a circle center, and a plurality of groups of second tensile ropes (14) are arranged in the outer flame-retardant layer (6) in an annular array by taking the center of the cable (1) as a circle center.
2. The power cable with good abrasion resistance according to claim 1, wherein: the first tensile rope (13) is formed by gluing a plurality of groups of thin steel wires together, the second tensile rope (14) is formed by weaving a plurality of groups of nylon ropes and a plurality of groups of metal wires in a combined mode, and the first tensile rope (13) and the second tensile rope (14) extend along the length direction of the cable.
3. The power cable with good abrasion resistance according to claim 1, wherein: the reinforcing layer (3) is a plurality of groups of iron wires which are combined and staggered to form a net-shaped structure, the pressure resistant layer (5) comprises a circular fixed cylinder and a plurality of groups of supporting bars (51), the inner edge of the fixed cylinder is provided with a plurality of groups of trapezoidal hollow supporting bars (51) by taking the cylinder center of the fixed cylinder as a circle center annular array, and the supporting bars (51) are fixed on the inner edge of the fixed cylinder.
4. The power cable with good abrasion resistance according to claim 1, wherein: the outer flame-retardant layer (6) is formed by extruding and wrapping low-smoke halogen-free weather-resistant flame-retardant ceramic polyolefin sheath materials, and the flame-retardant filling layer (2) is formed by overlapping and wrapping nanometer low-smoke halogen-free fireproof silica gel tapes.
5. The power cable with good abrasion resistance according to claim 1, wherein: the cable is characterized in that a covering layer comprising the cable core (12) is arranged on the outer edge of the cable core (12), the cable (1) is a metal conductor formed by stranding a plurality of wires on the cable core (12), and the insulating layer (4) and the covering layer are both made of crosslinked polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410886.8U CN211319794U (en) | 2019-12-28 | 2019-12-28 | Power cable with good wear resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410886.8U CN211319794U (en) | 2019-12-28 | 2019-12-28 | Power cable with good wear resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211319794U true CN211319794U (en) | 2020-08-21 |
Family
ID=72082775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922410886.8U Expired - Fee Related CN211319794U (en) | 2019-12-28 | 2019-12-28 | Power cable with good wear resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211319794U (en) |
-
2019
- 2019-12-28 CN CN201922410886.8U patent/CN211319794U/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 |
Granted publication date: 20200821 |