CN212380187U - Aluminum-core polyvinyl chloride insulation polyvinyl chloride sheath power cable - Google Patents
Aluminum-core polyvinyl chloride insulation polyvinyl chloride sheath power cable Download PDFInfo
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- CN212380187U CN212380187U CN202021439279.0U CN202021439279U CN212380187U CN 212380187 U CN212380187 U CN 212380187U CN 202021439279 U CN202021439279 U CN 202021439279U CN 212380187 U CN212380187 U CN 212380187U
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- insulating
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Abstract
The utility model discloses an insulating polyvinyl chloride sheath power cable of aluminium core polyvinyl chloride, it includes oversheath, fire-retardant cover, insulating cover, protective sheath, cable sleeve, aluminium core electric wire, cable sleeve's inside survey is provided with aluminium core electric wire, cable sleeve's the outside is provided with the protective sheath, the outside of protective sheath is provided with insulating cover, insulating cover's the outside is provided with fire-retardant cover, fire-retardant cover's the outside is provided with the oversheath, the inside of oversheath is provided with the wire net, the surface interval of oversheath is provided with the installation cover, the cross-section of installation cover is the rectangle, four angle ends of installation cover are provided with the strengthening rib, the both ends and the wire net of strengthening rib are connected. The utility model discloses the installation is more firm, and the ligature of being convenient for is durable, and the cable strength of installation department strengthens greatly, uses difficult fracture for a long time.
Description
Technical Field
The utility model relates to a cable field especially relates to an insulating polyvinyl chloride sheath power cable of aluminium core polyvinyl chloride.
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.
Current city aluminium core cable all walks the underpass basically, fixes on the lateral wall of underpass through the support, because present cable all is circular, adopts the iron wire ligature usually when the support is fixed, and the time is long, and the local atress of cable is too big, can produce the fracture, leads to cable electric leakage or inefficacy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating polyvinyl chloride sheath power cable of aluminium core polyvinyl chloride to prior art not enough.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
The utility model provides an insulating polyvinyl chloride sheath power cable of aluminium core polyvinyl chloride, it includes oversheath, fire-retardant cover, insulating cover, protective sheath, cable sleeve, aluminium core electric wire, cable sleeve's inside survey is provided with aluminium core electric wire, cable sleeve's the outside is provided with the protective sheath, the outside of protective sheath is provided with insulating cover, insulating cover's the outside is provided with fire-retardant cover, fire-retardant cover's the outside is provided with the oversheath, the inside of oversheath is provided with the wire net, the surface interval of oversheath is provided with the installation cover, the cross-section of installation cover is the rectangle, four angle ends of installation cover are provided with the strengthening rib, the both ends and the wire net of strengthening rib are connected.
Furthermore, the inside of the cable sleeve is provided with electric wire fixing frames at equal intervals, the electric wire fixing frames correspond to the installation sleeve in position, filling materials are filled between the electric wire fixing frames and the cable sleeve (5), electric wire fixing holes are formed in the center and the corner ends of the electric wire fixing frames, and aluminum core electric wires are installed in the electric wire fixing holes.
Further, the flame-retardant sleeve is a glass fiber sleeve.
Furthermore, the insulating sleeve is made of silicon rubber.
Further, the protective sheath is a silica gel soft sheath.
Furthermore, the cable sleeve is a pipe barrel made of polyvinyl chloride, the outer surface and the inner surface of the cable sleeve are respectively provided with a first bulge and a second bulge, the first bulge and the second bulge are arranged in a staggered mode, and the second bulge is connected with the corner end of the wire fixing frame.
Further, the filler is PE filler.
Further, the aluminium core electric wire includes aluminium core conductor, insulating layer, shielding layer, protective layer, the outside of aluminium core conductor is provided with the insulating layer, the outside of insulating layer is provided with the shielding layer, the outside of shielding layer is provided with the protective layer, the insulating layer is polyvinyl chloride insulating sleeve, the shielding layer is tin-plated wire weaving layer, the protective layer is the silica gel cover.
The utility model has the advantages that: 1. the installation sleeve is arranged on the outer sheath, so that the shape of the existing cable installation position is changed, the rectangle is more stable, and binding is convenient and firm; 2. the installation sleeve corresponds to the wire fixing frame, so that the strength of the cable at the installation position is greatly enhanced, and the cable is not easy to break after long-time use.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the aluminum core wire of the present invention;
in the figure: 1. an outer sheath; 2. a flame-retardant sleeve; 3. an insulating sleeve; 4. a protective sleeve; 5. a cable sleeve; 6. a filler; 7. a wire fixing frame; 8. an aluminum core wire; 11. steel wire mesh; 12. installing a sleeve; 13. reinforcing ribs; 51. a first protrusion; 52. a second protrusion; 71. a wire fixing hole; 81. an aluminum core conductor; 82. an insulating layer; 83. a shielding layer; 84. and a protective layer.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.
As shown in the figure: an aluminum core polyvinyl chloride insulation polyvinyl chloride sheath power cable comprises an outer sheath 1, a flame-retardant sleeve 2, an insulation sleeve 3, a protective sleeve 4, a cable sleeve 5, a filling material 6, a wire fixing frame 7 and an aluminum core wire 8.
The outer side of the cable sleeve 5 is provided with a protective sleeve 4, the outer side of the protective sleeve 4 is provided with an insulating sleeve 3, the outer side of the insulating sleeve 3 is provided with a flame-retardant sleeve 2, the outer side of the flame-retardant sleeve 2 is provided with an outer sheath 1, the inside of the cable sleeve 5 is provided with wire fixing frames 7 at equal intervals, one wire fixing frame is generally arranged at an interval of 50-100 cm, the specific interval is the same as the interval distance between supports of an underground passage, a filler 6 is filled between the cable sleeve 5 and the wire fixing frame 7, and an aluminum core wire 8 is installed on.
Oversheath 1 adopts the oversheath of polyvinyl chloride material, the cross-section of oversheath 1 is the rectangle, its inside is provided with wire net 11, the surface interval of oversheath 1 is provided with installation cover 12, installation cover 12 is corresponding with the position of electric wire mount 7, the cross-section of installation cover 12 is the rectangle, its angular end is provided with strengthening rib 13, the both ends and the wire net 11 of strengthening rib 13 are connected, set up like this, in actual installation, stand on the support through installation cover 12, make the big increase of the contact surface of cable and support, be convenient for disperse local atress, and simultaneously, set up installation cover 12 in installation department, strengthen the local intensity of cable installation department, prevent the cable fracture.
The flame-retardant sleeve 2 is a glass fiber sleeve, and has the advantages of good insulativity, strong heat resistance, good corrosion resistance, high mechanical strength and good tensile resistance.
The insulating sleeve 3 is made of silicon rubber, is high-temperature resistant, has good elastic plasticity and is not easy to break.
The cable sleeve 5 is a tube made of polyvinyl chloride, the outer surface and the inner surface of the cable sleeve are respectively provided with a first bulge 51 and a second bulge 52, the first bulge 51 and the second bulge 52 are arranged in a staggered manner, namely, one first bulge 51 on the outer side is positioned between two adjacent second bulges 52. The first protrusion 51 is arranged to increase the friction between the protective sheath 4 and the cable sleeve 5, so that the two can be tightly mounted. The second protrusion 52 is used to provide a fulcrum for the wire fixing frame 7, so as to prevent the corner end of the wire fixing frame 7 from causing local stress and damage to the cable sleeve 5.
The electric wire fixing frame 7 is a polyvinyl chloride support, the cross section of the electric wire fixing frame is a regular polygon, corners of the electric wire fixing frame are arranged on the second protrusions 52, electric wire fixing holes 71 are formed in the center and around the center of the electric wire fixing frame 7, the electric wire fixing holes 71 around the center are uniformly formed in the periphery of the electric wire fixing holes 71, the number of the electric wire fixing holes 71 specifically indicates the number of the aluminum core electric wires 8, the electric wire fixing holes 71 and the aluminum core electric wires are the same, the number of the aluminum core electric wires 8 in an ordinary cable is larger than 5, for example, the number of the aluminum core electric wires 8 is 5, the cross section of the electric wire fixing frame 7 is square, the electric wire fixing holes 71 are formed in the middle of the electric wire fixing frame and in four corner positions, the number of the aluminum core electric wires 8 is 6.
The filler 6 is soft PE filler and is arranged in the cable sleeve 5, so that the overall strength of the cable is enhanced, and meanwhile, the wires are separated, and the wires are prevented from being wound and rubbed with each other.
The aluminum core wire 8 comprises an aluminum core conductor 81, an insulating layer 82, a shielding layer 83 and a protective layer 84, wherein the insulating layer 82 is arranged on the outer side of the aluminum core conductor 81, the shielding layer 83 is arranged on the outer side of the insulating layer 82, the protective layer 84 is arranged on the outer side of the shielding layer 83, and the insulating layer 82 is a polyvinyl chloride insulating sleeve. Shielding layer 83 is the tin-plated wire weaving layer, and protective layer 84 is the silica gel cover, and insulating layer 82, shielding layer 83, protective layer 84's setting can make aluminium core conductor 81 mutual isolation in cable sleeve 5, even when dragging, buckle the cable, still can normally work between the aluminium core conductor 81, each other does not influence.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. In addition, the description which follows is a preferred embodiment of the invention, but is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides an insulating polyvinyl chloride sheath power cable of aluminium core polyvinyl chloride which characterized in that: it comprises an outer sheath (1), a flame-retardant sleeve (2), an insulating sleeve (3), a protective sleeve (4), a cable sleeve (5) and an aluminum core wire (8), an aluminum core wire (8) is arranged on the inner side of the cable sleeve (5), a protective sleeve (4) is arranged on the outer side of the cable sleeve (5), an insulating sleeve (3) is arranged on the outer side of the protective sleeve (4), a flame-retardant sleeve (2) is arranged on the outer side of the insulating sleeve (3), an outer sheath (1) is arranged on the outer side of the flame-retardant sleeve (2), a steel wire mesh (11) is arranged inside the outer sheath (1), the outer surface of the outer sheath (1) is provided with mounting sleeves (12) at intervals, the cross-section of installation cover (12) is the rectangle, four corner ends of installation cover (12) are provided with strengthening rib (13), the both ends and the wire net (11) of strengthening rib (13) are connected.
2. The aluminum-core polyvinyl chloride-insulated polyvinyl chloride-sheathed power cable according to claim 1, characterized in that: the cable is characterized in that electric wire fixing frames (7) are arranged in the cable sleeve (5) at equal intervals, the positions of the electric wire fixing frames (7) and the installation sleeve (12) are corresponding, filling materials (6) are filled between the electric wire fixing frames (7) and the cable sleeve (5), electric wire fixing holes (71) are formed in the center and the corner ends of the electric wire fixing frames (7), and aluminum core electric wires (8) are installed in the electric wire fixing holes (71).
3. The aluminum-core polyvinyl chloride-insulated polyvinyl chloride-sheathed power cable according to claim 1, characterized in that: the flame-retardant sleeve (2) is a glass fiber sleeve.
4. The aluminum-core polyvinyl chloride-insulated polyvinyl chloride-sheathed power cable according to claim 1, characterized in that: the insulating sleeve (3) is made of silicon rubber.
5. The aluminum-core polyvinyl chloride-insulated polyvinyl chloride-sheathed power cable according to claim 1, characterized in that: the protective sleeve (4) is a silica gel soft sleeve.
6. The aluminum-core polyvinyl chloride-insulated polyvinyl chloride-sheathed power cable according to claim 1, characterized in that: the cable sleeve (5) is a pipe barrel made of polyvinyl chloride, the outer surface and the inner surface of the cable sleeve (5) are respectively provided with a first bulge (51) and a second bulge (52), the first bulge (51) and the second bulge (52) are arranged in a staggered mode, and the second bulge (52) is connected with the corner end of the wire fixing frame (7).
7. The power cable with the aluminum core and the polyvinyl chloride insulating sheath as claimed in claim 2, wherein: the filling material (6) is PE filling material.
8. The aluminum-core polyvinyl chloride-insulated polyvinyl chloride-sheathed power cable according to claim 1, characterized in that: the aluminum core electric wire (8) comprises an aluminum core conductor (81), an insulating layer (82), a shielding layer (83) and a protective layer (84), wherein the insulating layer (82) is arranged on the outer side of the aluminum core conductor (81), the shielding layer (83) is arranged on the outer side of the insulating layer (82), the protective layer (84) is arranged on the outer side of the shielding layer (83), the insulating layer (82) is a polyvinyl chloride insulating sleeve, the shielding layer (83) is a tinned wire braid layer, and the protective layer (84) is a silica gel sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021439279.0U CN212380187U (en) | 2020-07-21 | 2020-07-21 | Aluminum-core polyvinyl chloride insulation polyvinyl chloride sheath power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021439279.0U CN212380187U (en) | 2020-07-21 | 2020-07-21 | Aluminum-core polyvinyl chloride insulation polyvinyl chloride sheath power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212380187U true CN212380187U (en) | 2021-01-19 |
Family
ID=74172139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021439279.0U Expired - Fee Related CN212380187U (en) | 2020-07-21 | 2020-07-21 | Aluminum-core polyvinyl chloride insulation polyvinyl chloride sheath power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212380187U (en) |
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2020
- 2020-07-21 CN CN202021439279.0U patent/CN212380187U/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: 20210119 Termination date: 20210721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |