CN210467413U - Non-magnetic material armored cross-linked polyethylene insulated power cable - Google Patents
Non-magnetic material armored cross-linked polyethylene insulated power cable Download PDFInfo
- Publication number
- CN210467413U CN210467413U CN201921782623.3U CN201921782623U CN210467413U CN 210467413 U CN210467413 U CN 210467413U CN 201921782623 U CN201921782623 U CN 201921782623U CN 210467413 U CN210467413 U CN 210467413U
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- China
- Prior art keywords
- layer
- magnetic material
- power cable
- insulated power
- sleeved
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- 239000000696 magnetic material Substances 0.000 title claims abstract description 21
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 18
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 239000003063 flame retardant Substances 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 6
- 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 description 14
- 239000000463 material Substances 0.000 claims description 7
- 239000011490 mineral wool Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000010935 stainless steel Substances 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model discloses a non-magnetic material armor crosslinked polyethylene insulation power cable, including clamp, cable body, otic placode, mounting hole, fixing bolt, first connecting plate, second connecting plate, fixation nut, go-between, draw-in groove, first connecting hole, second connecting hole, through-hole, seal ring, oversheath, non-magnetic area, fire-retardant layer, tensile layer, inner cushion layer, insulating layer and circular conductor. The round conductor adopts a round non-pressing structure and is used for increasing the outer diameter of the cable and improving the bending performance and the outer diameter of the cable, so that the cable can achieve a better heat dissipation effect in the use process; the non-magnetic material can adopt stainless steel bands, aluminum alloy bands, aluminum bands or pure copper bands and the like, the non-magnetic bands are of a double-layer gap wrapping structure, and eddy current can be reduced when alternating current repeatedly passes through the non-magnetic bands, so that heat is reduced; the clamp is fixed at the wiring position through the lug plate, and the sealing performance of the wiring position is improved by matching with the sealing washer, so that the service life is prolonged.
Description
Technical Field
The utility model relates to a power cable specifically is a non-magnetic material armor crosslinked polyethylene insulation power cable, belongs to power cable application technical field.
Background
Since 1879 the first cable of the american utility model, edison, the utility model, has been in history for a hundred years, and with the more widespread use of electric energy, the industry has also developed at a high rate; along with the high-speed development of industry, high-power single-machine equipment is more and more, in China, single-machine equipment with rated voltage of 0.38KV and power of 500KW or even higher is more and more common, the specification of cables is more and more large, most of cables are directly buried and laid in consideration of construction difficulty and construction environment, and sometimes, no cable bridge or cable trench special for cable laying exists, so that a certain amount of requirements are met for single-core steel-tape armored cables.
In the prior art, the galvanized steel strip is adopted in the common steel strip armored cable, the material is a magnetic material, induced current can be generated when alternating current passes repeatedly by the cable, the steel strip can be caused to generate heat to cause the temperature of a conductor to rise, the current-carrying capacity and the service life of the cable can be reduced, the cable is subjected to breakdown due to heating in serious conditions, the sealing performance and the stability of the joint of the current cable are general when the current cable is installed, and the service life of the current cable can be influenced. Therefore, a non-magnetic material armored cross-linked polyethylene insulated power cable is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The objective of the present invention is to provide a non-magnetic material armored cross-linked polyethylene insulated power cable in order to solve the above problems.
The utility model realizes the purpose through the following technical proposal, a non-magnetic material armored cross-linked polyethylene insulated power cable comprises a hoop, a first connecting plate, a second connecting plate, a fixing bolt and a cable body which are sequentially arranged from left to right;
the hoop is sleeved on one end surface of the cable body, the first connecting plate and the second connecting plate are fixedly connected to the two end surfaces of the hoop, and a first connecting hole and a second connecting hole are formed in the surfaces of the first connecting plate and the second connecting plate respectively; the tail end of the fixing bolt penetrates through the first connecting hole and the second connecting hole respectively, and a fixing nut is screwed at the tail end of the fixing bolt;
the cable body comprises an outer sheath, a non-magnetic tape, a flame-retardant layer, a tensile layer, an inner cushion layer, an insulating layer and a round conductor, wherein the insulating layer is sleeved on the outer surface of the round conductor, the inner cushion layer is sleeved on the outer surface of the insulating layer, the tensile layer is sleeved on the outer surface of the inner cushion layer, the flame-retardant layer is sleeved on the outer surface of the tensile layer, the non-magnetic tape is sleeved on the outer surface of the flame-retardant layer, and the outer sheath is sleeved on the outer surface of the non-magnetic tape.
Preferably, the surface rigid coupling of clamp has the otic placode, just the side of otic placode is opened there is the mounting hole.
Preferably, the outer end face of the hoop is fixedly connected with a connecting ring, a clamping groove is formed in the surface of the connecting ring, and a sealing washer is clamped inside the clamping groove.
Preferably, the two ends of the cable body are respectively sleeved with one hoop, and the hoops are of annular structures.
Preferably, a through hole is formed in the connecting ring, and the through hole is formed in the outer end face of the clamp.
Preferably, the round conductor is composed of a plurality of annealed round copper wires, and the plurality of annealed soft round copper wires are twisted and molded in a regular twisting manner.
Preferably, the insulating layer is in a circular ring shape and evenly and tightly covers the surface of the round conductor, and the inner cushion layer is installed in a squeezing or wrapping mode.
Preferably, the non-magnetic belt adopts an aluminum alloy belt, and the non-magnetic belt is of a double-layer gap wrapping structure.
Preferably, the flame-retardant layer is made of rock wool, and the tensile layer is of a net structure woven by copper wires.
Preferably, the outer sheath is made of polyethylene material and is formed in an extrusion coating mode.
The utility model has the advantages that:
1. the utility model discloses circular conductor adopts circular not stiction structure for increase the external diameter of cable, improve the bending property and the cable external diameter of cable, thereby make the cable reach better radiating effect in the use, and the setting of fire-retardant layer can strengthen fire-retardant ability, and the rock wool material gas permeability is better simultaneously, does not influence the radiating effect;
2. the non-magnetic material in the utility model can adopt stainless steel band, aluminum alloy band, aluminum band or pure copper band, etc., the non-magnetic band is a double-layer gap wrapping structure, which can reduce the generation of eddy current when alternating current passes repeatedly, thereby reducing the generation of internal heat and playing a certain protection role;
3. the utility model discloses a fixing bolt can fix the clamp on two terminal surfaces of cable body with fixation nut's cooperation, can pass the through-hole of its terminal surface with circular conductor to this is worked a telephone switchboard, and the rethread otic placode is fixed its clamp in wiring department, and cooperation seal ring improves the leakproofness of wiring department, has prolonged life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an end view of the overall structure of the present invention;
fig. 3 is a side view of the clamp of the present invention;
fig. 4 is a schematic structural view of the cable body of the present invention;
fig. 5 is a schematic view of the structure of the tensile layer of the present invention.
In the figure: 1. the clamp, 2, the cable body, 3, the otic placode, 4, the mounting hole, 5, fixing bolt, 6, first connecting plate, 7, second connecting plate, 8, fixation nut, 9, the go-between, 10, the draw-in groove, 11, first connecting hole, 12, second connecting hole, 13, the through-hole, 14, seal ring, 15, oversheath, 16, non-magnetic tape, 17, fire-retardant layer, 18, tensile layer, 19, the inner cushion layer, 20, the insulating layer, 21, circular conductor.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-5, a non-magnetic material armored cross-linked polyethylene insulated power cable includes a hoop 1, a first connecting plate 6, a second connecting plate 7, a fixing bolt 5, and a cable body 2, which are sequentially installed from left to right;
the hoop 1 is sleeved on one end surface of the cable body 2, the first connecting plate 6 and the second connecting plate 7 are fixedly connected to the two end surfaces of the hoop 1, and a first connecting hole 11 and a second connecting hole 12 are respectively formed in the surfaces of the first connecting plate 6 and the second connecting plate 7; the tail end of the fixing bolt 5 penetrates through the first connecting hole 11 and the second connecting hole 12 respectively, and a fixing nut 8 is screwed at the tail end of the fixing bolt 5;
the cable body 2 is composed of an outer sheath 15, a non-magnetic tape 16, a flame-retardant layer 17, a tensile layer 18, an inner cushion layer 19, an insulating layer 20 and a round conductor 21, the insulating layer 20 is sleeved on the outer surface of the round conductor 21, the inner cushion layer 19 is sleeved on the outer surface of the insulating layer 20, the tensile layer 18 is sleeved on the outer surface of the inner cushion layer 19, the flame-retardant layer 17 is sleeved on the outer surface of the tensile layer 18, the non-magnetic tape 16 is sleeved on the outer surface of the flame-retardant layer 17, and the outer sheath 15 is sleeved on the outer surface of the non-magnetic tape 16.
An ear plate 3 is fixedly connected to the surface of the hoop 1, and a mounting hole 4 is formed in the side surface of the ear plate 3; a connecting ring 9 is fixedly connected to the end face of the outer end of the hoop 1, a clamping groove 10 is formed in the surface of the connecting ring 9, and a sealing washer 14 is clamped inside the clamping groove 10; the two ends of the cable body 2 are respectively sleeved with the hoop 1, and the hoop 1 is of a circular structure; a through hole 13 is formed in the connecting ring 9, and the through hole 13 is formed in the outer end face of the hoop 1; the round conductor 21 consists of a plurality of annealed round copper wires, and a plurality of annealed soft round copper wires are twisted and molded in a regular twisting manner; the insulating layer 20 is uniformly and tightly covered on the surface of the circular conductor 21 in a circular ring shape, and the inner cushion layer 19 is installed in an extruding or wrapping mode; the non-magnetic belt 16 is made of aluminum alloy belt and has a double-layer gap wrapping structure; the flame-retardant layer 17 is made of rock wool, and the tensile layer 18 is of a net structure formed by weaving copper wires; the outer sheath 15 is made of polyethylene material and is formed by extrusion.
When the utility model is used, firstly, the circular conductor 21 is arranged in the cable body 2, the circular conductor 21 adopts a circular non-compression structure and is used for increasing the outer diameter of the cable and improving the bending property and the outer diameter of the cable, so that the cable can achieve better heat dissipation effect in the use process, the flame retardant layer 17 can enhance the flame retardant capability, and meanwhile, the air permeability of the rock wool material is better, and the heat dissipation effect is not influenced; the non-magnetic belt 16 can be a stainless steel belt, an aluminum alloy belt, an aluminum belt or a pure copper belt, and the like, the non-magnetic belt 16 is of a double-layer gap wrapping structure, and can reduce the generation of eddy current when alternating current repeatedly passes through, so that the generation of internal heat is reduced, and a certain protection effect is achieved;
then when the wiring, can fix clamp 1 on two terminal surfaces of cable body 2 through the cooperation of fixing bolt 5 and fixation nut 8, pass circular conductor 21 through the through-hole 13 of clamp 1 terminal surface to this carries out the wiring, fixes its clamp 1 in the wiring department through otic placode 3, and cooperation sealing washer 14 improves the leakproofness of wiring department, has prolonged life.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a non-magnetic material armor crosslinked polyethylene insulated power cable which characterized in that: the cable clamp comprises a clamp hoop (1), a first connecting plate (6), a second connecting plate (7), a fixing bolt (5) and a cable body (2) which are sequentially arranged from left to right;
the hoop (1) is sleeved on one end surface of the cable body (2), the first connecting plate (6) and the second connecting plate (7) are fixedly connected to the two end surfaces of the hoop (1), and a first connecting hole (11) and a second connecting hole (12) are formed in the surfaces of the first connecting plate (6) and the second connecting plate (7) respectively; the tail end of the fixing bolt (5) penetrates through the first connecting hole (11) and the second connecting hole (12) respectively, and a fixing nut (8) is screwed at the tail end of the fixing bolt (5);
the cable body (2) is composed of an outer sheath (15), a non-magnetic tape (16), a flame-retardant layer (17), a tensile layer (18), an inner cushion layer (19), an insulating layer (20) and a circular conductor (21), wherein the insulating layer (20) is sleeved on the outer surface of the circular conductor (21), the inner cushion layer (19) is sleeved on the outer surface of the insulating layer (20), the tensile layer (18) is sleeved on the outer surface of the inner cushion layer (19), the flame-retardant layer (17) is sleeved on the outer surface of the tensile layer (18), the non-magnetic tape (16) is sleeved on the outer surface of the flame-retardant layer (17), and the outer sheath (15) is sleeved on the outer surface of the non-magnetic tape (16).
2. A non-magnetic material armored cross-linked polyethylene insulated power cable according to claim 1, wherein: the surface rigid coupling of clamp (1) has otic placode (3), just mounting hole (4) have been opened to the side of otic placode (3).
3. A non-magnetic material armored cross-linked polyethylene insulated power cable according to claim 1, wherein: the outer end face of clamp (1) is fixedly connected with a connecting ring (9), a clamping groove (10) is formed in the surface of the connecting ring (9), and a sealing washer (14) is clamped inside the clamping groove (10).
4. A non-magnetic material armored cross-linked polyethylene insulated power cable according to claim 1, wherein: the two ends of the cable body (2) are respectively sleeved with the hoop (1), and the hoop (1) is of a circular ring structure.
5. A non-magnetic material armored cross-linked polyethylene insulated power cable according to claim 3, wherein: the inside of go-between (9) is equipped with through-hole (13), just through-hole (13) are seted up clamp (1) outer terminal surface.
6. A non-magnetic material armored cross-linked polyethylene insulated power cable according to claim 1, wherein: the round conductor (21) is composed of a plurality of annealed round copper wires, and the annealed soft round copper wires are twisted and molded in a regular twisting mode.
7. A non-magnetic material armored cross-linked polyethylene insulated power cable according to claim 1, wherein: the insulating layer (20) is in a circular ring shape and evenly and tightly covers the surface of the round conductor (21), and the inner cushion layer (19) is installed in an extruding or wrapping mode.
8. A non-magnetic material armored cross-linked polyethylene insulated power cable according to claim 1, wherein: the non-magnetic belt (16) is an aluminum alloy belt and is of a double-layer gap wrapping structure.
9. A non-magnetic material armored cross-linked polyethylene insulated power cable according to claim 1, wherein: the flame-retardant layer (17) is made of rock wool materials, and the tensile layer (18) is of a net structure woven by copper wires.
10. A non-magnetic material armored cross-linked polyethylene insulated power cable according to claim 1, wherein: the outer sheath (15) is made of polyethylene materials and is formed in an extrusion wrapping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782623.3U CN210467413U (en) | 2019-10-22 | 2019-10-22 | Non-magnetic material armored cross-linked polyethylene insulated power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782623.3U CN210467413U (en) | 2019-10-22 | 2019-10-22 | Non-magnetic material armored cross-linked polyethylene insulated power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210467413U true CN210467413U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921782623.3U Expired - Fee Related CN210467413U (en) | 2019-10-22 | 2019-10-22 | Non-magnetic material armored cross-linked polyethylene insulated power cable |
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| Country | Link |
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| CN (1) | CN210467413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725775A (en) * | 2020-06-12 | 2020-09-29 | 兰新伟 | Electric power engineering is with having electric power repair pipe that protective structure is convenient for cut off |
-
2019
- 2019-10-22 CN CN201921782623.3U patent/CN210467413U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725775A (en) * | 2020-06-12 | 2020-09-29 | 兰新伟 | Electric power engineering is with having electric power repair pipe that protective structure is convenient for cut off |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |