CN212303172U - Crosslinked polyethylene insulated power cable - Google Patents
Crosslinked polyethylene insulated power cable Download PDFInfo
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- CN212303172U CN212303172U CN202021036750.1U CN202021036750U CN212303172U CN 212303172 U CN212303172 U CN 212303172U CN 202021036750 U CN202021036750 U CN 202021036750U CN 212303172 U CN212303172 U CN 212303172U
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Abstract
The utility model discloses an insulating power cable of crosslinked polyethylene relates to the power cable field, for the current crosslinked polyethylene insulated cable among the solution prior art inconvenient fixed when the installation of buckling, the problem of easily knoing. The cable comprises a cable shell and is characterized in that a positioning ring is arranged outside the cable shell, positioning openings are formed in two sides of the positioning ring, fixing strips are arranged on two sides of the outside of each positioning opening, a buckle is arranged at one end of each fixing strip, a flexible copper strip is arranged on the inner surface of the cable shell, an outer insulating protective sleeve is arranged on the inner surface of the flexible copper strip, an outer semiconductor shielding ring is arranged inside the outer insulating protective sleeve, a steel wire strip is arranged between the outer semiconductor shielding ring and the outer insulating protective sleeve, a conductor and a plurality of inner semiconductor shielding rings are arranged inside the outer semiconductor shielding ring, inner insulating protective sleeves are arranged outside the inner semiconductor shielding ring, and filling layers are arranged inside the outer semiconductor shielding ring.
Description
Technical Field
The utility model relates to a power cable technical field specifically is an insulating power cable of crosslinked polyethylene.
Background
The cross-linked polyethylene insulated cable is a cable suitable for the field of distribution network, etc., it has advantages that PVC insulated cable is incomparable, it is simple in construction, light in weight, good in heat resistance, strong in load capacity, non-melting, chemical corrosion resistant, high in mechanical strength, the manufacture of the cable is completely different from the production mode of most electromechanical products, electromechanical products usually adopt assembling parts into parts, assembling multiple parts into a single product, the product is measured by number or number, the cable is length as basic measuring unit, all cables are processed from conductor, the cable product is made by adding insulation, shielding, cabling, protective layer, etc. layer by layer on the periphery of conductor, the more complicated the product structure, the more the superimposed layers, the cross-linked polyethylene insulated cable adopts peroxide cross-linking method, making the polyethylene molecule change from linear molecular structure into three-dimensional net structure, the thermoplastic material is changed into the thermosetting material, the working temperature is increased from 70 ℃ to 90 ℃, and the current carrying capacity of the cable is obviously improved.
The crosslinked polyethylene insulated cable is characterized in that a chemical method or a physical method is utilized to convert insulated polyethylene molecules of the cable from a linear molecular structure into a main body reticular molecular structure, namely thermoplastic polyethylene is converted into thermosetting crosslinked polyethylene, so that the heat resistance and the mechanical property of the cable are greatly improved, the contractibility of the cable is reduced, the cable is not melted after being heated, and the excellent electrical property is kept, but the existing crosslinked polyethylene insulated cable is inconvenient to fix and easy to knot when being bent and installed; therefore, the market urgently needs to develop a crosslinked polyethylene insulated power cable to help people to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating power cable of crosslinked polyethylene to current crosslinked polyethylene insulated cable who proposes in solving above-mentioned background art is inconvenient fixed, the problem of easily knoing when the installation of buckling.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating power cable of crosslinked polyethylene, includes cable housing, cable housing's outside is provided with the position circle, the position circle is provided with a plurality of, a plurality of the position circle all laminates with cable housing, the internal surface of position circle is provided with the skid resistant course, and skid resistant course and position circle set up structure as an organic whole, the position circle passes through skid resistant course and cable housing fixed connection.
Preferably, both sides of position circle all are provided with the location mouth, the location mouth is provided with a plurality of, a plurality of the bore of location mouth all is the same with the outside diameter of cable housing.
Preferably, the outside both sides of location mouth all are provided with the fixed strip, the fixed strip sets up structure as an organic whole with the position circle, the fixed strip and cable sheathing block.
Preferably, the one end of fixed strip is provided with the buckle, the buckle sets up structure as an organic whole with the fixed strip, the buckle sets up to circular-arc, and the buckle passes through fixed strip and cable jacket fixed connection.
Preferably, the inner surface of the cable shell is provided with a flexible copper strip, the inner surface of the flexible copper strip is provided with an outer insulating protective sleeve, the flexible copper strip is respectively bonded with the outer insulating protective sleeve and the cable shell, an outer semiconductor shielding ring is arranged inside the outer insulating protective sleeve, a steel wire bar is arranged between the outer semiconductor shielding ring and the outer insulating protective sleeve, and the steel wire bar is provided with a plurality of steel wires which are all attached to the outer semiconductor shielding ring and the outer insulating protective sleeve.
Preferably, the inside of outer semiconductor shielding circle is provided with the conductor, the conductor is provided with a plurality of, a plurality of the outside of conductor all is provided with interior semiconductor shielding circle, the outside of interior semiconductor shielding circle is provided with the internal insulation protective sheath, the internal insulation protective sheath is connected with interior semiconductor shielding circle bonding, the inside of outer semiconductor shielding circle is provided with the filling layer.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can position the cable shell by fixing the positioning ring on the outer surface of the cable shell when the cross-linked polyethylene insulated power cable is installed and fixed during use, and can extend the two ends of the cable shell to the positioning ports on the two sides of the positioning ring respectively when the cable shell is required to be in a vertical state, so that the cable shell can be kept in the vertical state, and when a plurality of cables are stored, the cables are not easy to knot, thereby prolonging the long-term service life of the cables, when the cable shell is required to be bent and put into a cable bridge, one end of the cable shell can be bent to one side of the positioning ring and popped out through the positioning port on one side surface, the cable shell can be kept stable enough during bending by the buckles and the fixing strips on the two sides of the positioning port, thereby the cable shell can be kept stable after being installed for a long time, through the location mouth that all is equipped with on four sides with, the buckle can make cable housing buckle at a plurality of angles, convenient to use, and the functionality is strong.
Drawings
Fig. 1 is a side view of a cross-linked polyethylene insulated power cable according to the present invention;
fig. 2 is a side view of the cross-linked polyethylene insulated power cable of the present invention after bending;
fig. 3 is a front view of the cross-linked polyethylene insulated power cable of the present invention.
In the figure: 1. a cable housing; 2. positioning rings; 3. positioning the opening; 4. buckling; 5. a fixing strip; 6. a soft copper strip; 7. an outer insulating protective sleeve; 8. a steel wire strip; 9. an outer semiconductor shield ring; 10. an inner insulating protective sleeve; 11. an inner semiconductor shield ring; 12. a conductor; 13. and (5) filling the layer.
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. 1-3, the present invention provides an embodiment: the utility model provides an insulating power cable of crosslinked polyethylene, includes cable casing 1, cable casing 1's outside is provided with position circle 2, position circle 2 is provided with a plurality of, a plurality of position circle 2 all with the laminating of cable casing 1, the internal surface of position circle 2 is provided with the skid resistant course, and the skid resistant course sets up structure as an organic whole with position circle 2, position circle 2 passes through skid resistant course and 1 fixed connection of cable casing, fixes a position cable casing 1 on 1 surface of cable casing through position circle 2.
Further, the both sides of position circle 2 all are provided with location mouth 3, and location mouth 3 is provided with a plurality of, and the bore of a plurality of location mouths 3 all is the same with the outside diameter of cable housing 1, the location mouth 3 that all is equipped with on four sides and buckle 4 can make cable housing 1 buckle at a plurality of angles, convenient to use, and is functional strong.
Further, the outside both sides of location mouth 3 all are provided with fixed strip 5, and fixed strip 5 sets up structure as an organic whole with position circle 2, and fixed strip 5 and 1 block of cable sheathing are buckled to one side of position circle 2 through the one end with cable sheathing 1, pop out through the location mouth 3 on a side surface.
Further, the one end of fixed strip 5 is provided with buckle 4, buckle 4 sets up structure as an organic whole with fixed strip 5, and buckle 4 sets up to circular-arcly, and buckle 4 passes through fixed strip 5 and cable sheathing 1 fixed connection, can make cable sheathing 1 keep sufficient stability when buckling through buckle 4 and the fixed strip 5 of 3 both sides of location mouth to can make cable sheathing 1 keep stable work for a long time after the installation.
Further, the internal surface of cable sheathing 1 is provided with soft copper strips 6, the internal surface of soft copper strips 6 is provided with outer insulating protective sheath 7, soft copper strips 6 bind with outer insulating protective sheath 7 and cable sheathing 1 respectively and are connected, the inside of outer insulating protective sheath 7 is provided with outer semiconductor shield circle 9, be provided with steel wire strip 8 between outer semiconductor shield circle 9 and the outer insulating protective sheath 7, steel wire strip 8 is provided with a plurality of, and a plurality of steel wire strip 8 all with outer semiconductor shield circle 9 and the laminating of outer insulating protective sheath 7, improve the inside rigidity of cable sheathing 1 through steel wire strip 8, make cable sheathing 1 have certain intensity.
Further, conductor 12 is provided with in the inside of outer semiconductor shield circle 9, and conductor 12 is provided with a plurality of, and the outside of a plurality of conductor 12 all is provided with interior semiconductor shield circle 11, and the outside of interior semiconductor shield circle 11 is provided with interior insulating protective sheath 10, and interior insulating protective sheath 10 and interior semiconductor shield circle 11 bonding connection, the inside of outer semiconductor shield circle 9 are provided with filling layer 13, through outer semiconductor shield circle 9 of multilayer and interior semiconductor shield circle 11 improvement cable insulating nature and waterproof nature.
The working principle is as follows: when the cable is used, when the crosslinked polyethylene insulated power cable is installed and fixed, the cable shell 1 can be positioned on the outer surface of the cable shell 1 through the positioning ring 2, when the cable shell 1 is required to be in a vertical state, two ends of the cable shell 1 can be respectively extended out of the positioning openings 3 at two sides of the positioning ring 2, so that the cable shell 1 can be kept in the vertical state, when a plurality of cables are stored, knotting is not easy to occur, the long-term service life of the cables is prolonged, the cable shell 1 can be bent at a plurality of angles through the positioning openings 3 and the buckles 4 which are arranged on four sides, when the cable shell 1 is required to be bent and placed into a cable bridge, one end of the cable shell 1 can be bent to one side of the positioning ring 2 and popped out through the positioning opening 3 on one side surface, and the buckles 4 and the fixing strips 5 on two sides of the positioning opening 3 can ensure that the cable shell 1 can be kept sufficiently stable when being, therefore, the cable shell 1 can keep stable operation for a long time after being installed, the rigidity inside the cable shell 1 is improved through the steel wire strips 8, the cable shell 1 has certain strength, and the insulativity and the waterproofness of the cable are improved through the multiple layers of the outer semi-conductor shielding rings 9 and the inner semi-conductor shielding rings 11.
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.
Claims (6)
1. A crosslinked polyethylene insulated power cable comprising a cable sheath (1), characterized in that: the outside of cable sheathing (1) is provided with position circle (2), position circle (2) are provided with a plurality of, a plurality of position circle (2) all laminate with cable sheathing (1), the internal surface of position circle (2) is provided with the skid resistant course, and skid resistant course and position circle (2) set up structure as an organic whole, position circle (2) are through skid resistant course and cable sheathing (1) fixed connection.
2. A crosslinked polyethylene insulated power cable according to claim 1, characterized in that: the two sides of the positioning ring (2) are provided with positioning openings (3), the positioning openings (3) are provided with a plurality of positioning openings, and the calibers of the positioning openings (3) are the same as the outside diameter of the cable shell (1).
3. A crosslinked polyethylene insulated power cable according to claim 2, characterized in that: the outside both sides of location mouth (3) all are provided with fixed strip (5), fixed strip (5) set up structure as an organic whole with position circle (2), fixed strip (5) and cable sheathing (1) block.
4. A crosslinked polyethylene insulated power cable according to claim 3, characterized in that: the one end of fixed strip (5) is provided with buckle (4), buckle (4) set up structure as an organic whole with fixed strip (5), buckle (4) set up to circular-arc, and buckle (4) are through fixed strip (5) and cable jacket (1) fixed connection.
5. A crosslinked polyethylene insulated power cable according to claim 3, characterized in that: the cable sheath is characterized in that a flexible copper strip (6) is arranged on the inner surface of the cable sheath (1), an outer insulating protective sleeve (7) is arranged on the inner surface of the flexible copper strip (6), the flexible copper strip (6) is respectively bonded with the outer insulating protective sleeve (7) and the cable sheath (1), an outer semiconductor shielding ring (9) is arranged inside the outer insulating protective sleeve (7), a steel wire bar (8) is arranged between the outer semiconductor shielding ring (9) and the outer insulating protective sleeve (7), the steel wire bar (8) is provided with a plurality of steel wires, and the steel wires (8) are all attached to the outer semiconductor shielding ring (9) and the outer insulating protective sleeve (7).
6. A crosslinked polyethylene insulated electric power cable according to claim 5, characterized in that: the inside of outer semiconductor shielding circle (9) is provided with conductor (12), conductor (12) are provided with a plurality of, a plurality of the outside of conductor (12) all is provided with interior semiconductor shielding circle (11), the outside of interior semiconductor shielding circle (11) is provided with interior insulating protective sheath (10), interior insulating protective sheath (10) and interior semiconductor shielding circle (11) adhesive bonding are connected, the inside of outer semiconductor shielding circle (9) is provided with filling layer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036750.1U CN212303172U (en) | 2020-06-09 | 2020-06-09 | Crosslinked polyethylene insulated power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036750.1U CN212303172U (en) | 2020-06-09 | 2020-06-09 | Crosslinked polyethylene insulated power cable |
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| CN212303172U true CN212303172U (en) | 2021-01-05 |
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| CN202021036750.1U Active CN212303172U (en) | 2020-06-09 | 2020-06-09 | Crosslinked polyethylene insulated power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496356A (en) * | 2022-02-18 | 2022-05-13 | 翔临智(阳谷)电缆有限公司 | Light and soft power cable |
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2020
- 2020-06-09 CN CN202021036750.1U patent/CN212303172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496356A (en) * | 2022-02-18 | 2022-05-13 | 翔临智(阳谷)电缆有限公司 | Light and soft power cable |
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