CN209785604U - Cold-resistant and torsion-resistant composite medium-voltage cable - Google Patents
Cold-resistant and torsion-resistant composite medium-voltage cable Download PDFInfo
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- CN209785604U CN209785604U CN201920387832.1U CN201920387832U CN209785604U CN 209785604 U CN209785604 U CN 209785604U CN 201920387832 U CN201920387832 U CN 201920387832U CN 209785604 U CN209785604 U CN 209785604U
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- resistant
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- outer sheath
- cold
- wear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model provides a cold-resistant and torsion-resistant composite medium-voltage cable, which comprises an outer sheath, an outer wear-resistant layer and talcum powder; a plurality of groups of supporting plates are uniformly distributed on the inner side of the outer sheath along the cable direction; the talcum powder is filled in a gap between the inner sheath and the outer sheath. The outer side of the outer sheath is provided with the outer wear-resistant layer, the outer layer of the cable is protected by the outer wear-resistant layer, the wear-resistant performance of the cable is enhanced, meanwhile, the aging of the outer sheath can be effectively reduced, and the outer sheath is prevented from becoming brittle and damaged in a low-temperature state; the two adjacent groups of supporting plates are connected together by adopting the connecting steel wire, so that the relative position between the supporting plates is kept, the torsion resistance of the cable is improved, and the strength and tensile strength of the cable can be enhanced; this cable simple structure, manufacturing cost is lower relatively, intensity and the tensile ability that can effectual improvement cable have fine anti-twist ability, have good wear-resisting, ageing-resistant, cold-resistant ability simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the electric cable, more specifically says, in particular to cold-resistant compound medium voltage cable of turning round.
Background
The cable in the power transmission line is a main power transmission conductive material, the quality of the cable directly relates to the power transmission capacity and stability of the power transmission line, and the existing power transmission cable generally adopts an inner sheath and an outer sheath which are coated on the outer side of a conductor wire core to protect the cable.
Based on the above, the insulating protective sleeve on the outer side of the existing common cable has limited wear resistance and is easy to wear, and meanwhile, the insulating protective sleeve on the outer side with low air temperature in a cold area becomes brittle, so that the protective capability is reduced, meanwhile, the anti-torsion capability is insufficient, the cable is easy to crack due to repeated torsion, and the manufacturing cost of the existing armored cable is high.
In view of the above, research and improvement are made on the existing structure and defects, and a cold-resistant and torsion-resistant composite medium voltage cable is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a cold-resistant compound medium voltage cable of turning round to the insulating protective cover abrasive resistance who solves the current ordinary cable outside is limited, and easy wearing and tearing are simultaneously because the insulating protective cover in the lower outside of temperature can become fragile in cold areas, and protective capacities reduces, and the torsional resistance is not enough simultaneously, easily owing to twist reverse the fracture repeatedly, and the higher problem of current armoured cable manufacturing cost.
The utility model relates to a purpose and efficiency of cold-resistant compound middling pressure cable of turning round is reached by following specific technological means:
A cold-resistant and torsion-resistant composite medium-voltage cable comprises an outer sheath, an outer wear-resistant layer, a woven reinforcing net, an inner sheath, a wire core, a supporting plate, a connecting steel wire and talcum powder; a plurality of groups of supporting plates are uniformly distributed on the inner side of the outer sheath along the cable direction; seven groups of inner sheaths and wire cores are fixed inside the supporting plate; the inner sheath is positioned on the outer side of the wire core; the talcum powder is filled in a gap between the inner sheath and the outer sheath.
Furthermore, the outer side of the outer sheath is provided with the outer side wear-resistant layer which is formed by tightly weaving wear-resistant fibers.
Furthermore, a group of the woven reinforcing mesh woven by steel wires is arranged in the middle of the outer sheath.
Further, the support plate divides a gap between the outer sheath and the inner sheath into a plurality of sections, and divides the talc powder into a plurality of sections.
Furthermore, two adjacent groups of the supporting plates are connected with each other through a plurality of groups of the connecting steel wires.
Compared with the prior art, the utility model discloses following beneficial effect has:
The outer side of the outer sheath is provided with the outer wear-resistant layer, the outer layer of the cable is protected by the outer wear-resistant layer, the wear-resistant performance of the cable is enhanced, meanwhile, the aging of the outer sheath can be effectively reduced, and the outer sheath is prevented from becoming brittle and damaged in a low-temperature state; the braided strengthening net is arranged inside the outer sheath, so that the strength of the cable is enhanced, and the torsion resistance of the cable is improved; the cable is supported by the uniformly distributed support plates, so that the torsion resistance of the cable is improved, and meanwhile, the talcum powder is stored in a grid manner by the support plates, so that the talcum powder at other positions cannot be influenced when the cable is damaged; the talcum powder is arranged in the cable, so that the cable is fully supported, the torsion resistance is improved, and the cable has good anti-skid, moisture-proof and insulating capabilities; the two adjacent groups of supporting plates are connected together by adopting the connecting steel wire, so that the relative position between the supporting plates is kept, the torsion resistance of the cable is improved, and the strength and tensile strength of the cable can be enhanced; this cable simple structure, manufacturing cost is lower relatively, intensity and the tensile ability that can effectual improvement cable have fine anti-twist ability, have good wear-resisting, ageing-resistant, cold-resistant ability simultaneously.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic diagram of the structure of the support plate mounting shaft side of the present invention.
Fig. 3 is a schematic cross-sectional structure of the present invention.
in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. An outer sheath; 101. an outer wear layer; 102. weaving a reinforcing net; 2. an inner sheath; 3. a wire core; 4. a support plate; 401. connecting steel wires; 5. talc powder.
Detailed Description
the following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
As shown in figures 1 to 3:
the utility model provides a cold-resistant and torsion-resistant composite medium-voltage cable, which comprises an outer sheath 1, an outer wear-resistant layer 101, a woven reinforcing net 102, an inner sheath 2, a wire core 3, a support plate 4, a connecting steel wire 401 and talcum powder 5; a plurality of groups of support plates 4 are uniformly distributed on the inner side of the outer sheath 1 along the cable direction; seven groups of inner sheaths 2 and wire cores 3 are fixed inside the supporting plate 4; the inner sheath 2 is positioned outside the wire core 3; the space between the inner sheath 2 and the outer sheath 1 is filled with the talcum powder 5.
The outer side of the outer sheath 1 is provided with the outer side wear-resistant layer 101, the outer side wear-resistant layer 101 is formed by tightly weaving wear-resistant fibers, the wear-resistant performance of the cable is enhanced, and meanwhile, the outer sheath 1 can be effectively prevented from being aged.
The middle part of the outer sheath 1 is provided with a group of the woven reinforcing mesh 102 woven by steel wires, so that the strength and the tensile property of the outer sheath 1 are enhanced.
the support plate 4 divides a gap between the outer sheath 1 and the inner sheath 2 into multiple sections, and the talcum powder 5 is divided into multiple sections to prevent the talcum powder 5 at other parts from loosening and flowing out when the outer sheath 1 is damaged.
Two adjacent groups of the support plates 4 are connected with each other through a plurality of groups of the connecting steel wires 401, so that the relative positions of the support plates 4 are kept from changing, and the tensile strength and the torsion resistance of the cable are enhanced.
the specific use mode and function of the embodiment are as follows:
The outer side of the outer sheath 1 is provided with the outer side wear-resistant layer 101, the outer layer of the cable is protected by the outer side wear-resistant layer 101, the wear-resistant performance of the cable is enhanced, meanwhile, the aging of the outer sheath 1 can be effectively reduced, and the outer sheath 1 is prevented from becoming brittle and damaged in a low-temperature state; the braided strengthening net 102 is arranged inside the outer sheath 1, so that the strength of the cable is enhanced, and the torsion resistance of the cable is improved; the cables are supported by the uniformly distributed support plates 4, so that the torsion resistance of the cables is improved, and meanwhile, the talcum powder 5 is stored in a grid mode by the support plates 4, so that the talcum powder 5 at other positions cannot be influenced when the cables are damaged; the talcum powder 5 is arranged in the cable, so that the cable is fully supported, the torsion resistance is improved, and the cable has good anti-skid, moisture-proof and insulating capabilities; through adopting connecting wire 401 to link together two sets of adjacent backup pads 4, keep the relative position between the backup pad 4, improve the antitorque ability of cable, can strengthen the good tensile ability of intensity of cable simultaneously.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides a compound medium voltage cable of cold-resistant turning round which characterized in that: the cold-resistant and torsion-resistant composite medium-voltage cable comprises an outer sheath (1), an outer side wear-resistant layer (101), a woven reinforcing net (102), an inner sheath (2), a wire core (3), a supporting plate (4), a connecting steel wire (401) and talcum powder (5); a plurality of groups of support plates (4) are uniformly distributed on the inner side of the outer sheath (1) along the cable direction; seven groups of inner sheaths (2) and wire cores (3) are fixed inside the supporting plate (4); the inner sheath (2) is positioned outside the wire core (3); the talcum powder (5) is filled in a gap between the inner sheath (2) and the outer sheath (1).
2. The cold-resistant and torsion-resistant composite medium voltage cable as claimed in claim 1, wherein: the outer side of the outer sheath (1) is provided with the outer side wear-resistant layer (101), and the outer side wear-resistant layer (101) is formed by tightly weaving wear-resistant fibers.
3. The cold-resistant and torsion-resistant composite medium voltage cable as claimed in claim 1, wherein: the middle part of the outer sheath (1) is provided with a group of the woven reinforcing mesh (102) woven by steel wires.
4. The cold-resistant and torsion-resistant composite medium voltage cable as claimed in claim 1, wherein: the support plate (4) divides a gap between the outer sheath (1) and the inner sheath (2) into a plurality of sections, and simultaneously divides the talcum powder (5) into a plurality of sections.
5. The cold-resistant and torsion-resistant composite medium voltage cable as claimed in claim 1, wherein: two adjacent groups of the supporting plates (4) are connected with each other through a plurality of groups of the connecting steel wires (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387832.1U CN209785604U (en) | 2019-03-26 | 2019-03-26 | Cold-resistant and torsion-resistant composite medium-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387832.1U CN209785604U (en) | 2019-03-26 | 2019-03-26 | Cold-resistant and torsion-resistant composite medium-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209785604U true CN209785604U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920387832.1U Expired - Fee Related CN209785604U (en) | 2019-03-26 | 2019-03-26 | Cold-resistant and torsion-resistant composite medium-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209785604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807352A (en) * | 2022-12-21 | 2023-03-17 | 青岛亿和海丽安防科技有限公司 | Anti-twist branch cable |
-
2019
- 2019-03-26 CN CN201920387832.1U patent/CN209785604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115807352A (en) * | 2022-12-21 | 2023-03-17 | 青岛亿和海丽安防科技有限公司 | Anti-twist branch cable |
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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: 20191213 Termination date: 20210326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |