CN210073428U - Cross-linked polyethylene insulated polyethylene sheath aerial cable - Google Patents
Cross-linked polyethylene insulated polyethylene sheath aerial cable Download PDFInfo
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- CN210073428U CN210073428U CN201921168797.0U CN201921168797U CN210073428U CN 210073428 U CN210073428 U CN 210073428U CN 201921168797 U CN201921168797 U CN 201921168797U CN 210073428 U CN210073428 U CN 210073428U
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Abstract
The utility model discloses an insulating polyethylene sheath aerial [ insulated ] cable of crosslinked polyethylene, including outer protective layer, the outside upper end fixed mounting of outer protective layer has first couple, the lower extreme fixed mounting of outer protective layer has the stiffener, the both ends fixed mounting of stiffener has the second couple, welded fastening has the installation piece on the inner wall of outer protective layer, the inboard fixed mounting of installation piece has the telescopic link, the inboard fixed mounting of telescopic link is at the connecting block, the inboard fixed mounting of connecting block has the polyethylene insulating layer, compression spring's upper end welded fastening is on the installation piece, the installation piece passes through compression spring and connecting block fixed connection. The utility model discloses a plurality of damping device cooperations carry out the shock attenuation, have reached the inside overhead state that all is in of polyethylene insulating layer, improve compressive property, and product property can be excellent, improves the life of device, satisfies user demand's purpose.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be insulating polyethylene sheath aerial [ insulated ] cable of crosslinked polyethylene.
Background
The existing overhead insulated cable with rated voltage of 1kV and 10kV consists of conductors, a semi-conductive shielding layer and insulation, wherein a plurality of conductors are firstly twisted and compacted to form a round compacted conductor, then an insulating material is compacted and wrapped on the surface of the conductor through a plastic extruding machine, then the cable wrapped with an insulating layer is placed in a steam chamber to complete insulated crosslinking within specified temperature and time, and finally a qualified overhead insulated cable product is completed.
At present, the existing crosslinked polyethylene insulated ethylene sheath overhead cable is generally applied to long-distance power transmission, a high-bridging support is generally adopted for supporting, and the cable is in a suspended state, so that the compression resistance and stability of the cable have high requirements.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an insulating polyethylene sheath aerial [ insulated ] cable of crosslinked polyethylene has solved current insulating polyethylene sheath aerial [ insulated ] cable of crosslinked polyethylene, and general application is in remote transmission electric power, generally adopts the high support of taking to support, because the cable is in unsettled state, its compression stability can have the problem of higher requirement.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: crosslinked polyethylene insulating ethylene sheath aerial [ insulated ] cable, including outer protective layer, the outside upper end fixed mounting of outer protective layer has first couple, the lower extreme fixed mounting of outer protective layer has the stiffener, the both ends fixed mounting of stiffener has the second couple, welded fastening has the installation piece on the inner wall of outer protective layer, the inboard fixed mounting of installation piece has the telescopic link, the inboard fixed mounting of telescopic link is at the connecting block, the inboard fixed mounting of connecting block has the polyethylene insulating layer.
Preferably, the telescopic rod is sleeved with a compression spring, the upper end of the compression spring is welded and fixed on the mounting block, and the mounting block is fixedly connected with the connecting block through the compression spring.
Preferably, a metal protective layer is fixedly sleeved in the polyethylene insulating layer, a buffer layer is filled in the metal protective layer, an inner insulating layer is arranged in the buffer layer, and a metal power line is arranged in the inner insulating layer.
Preferably, a metal reinforcing core is fixedly connected to the inner side of the inner insulating layer.
Preferably, the outer protective layer and the inner insulating layer are made of polyethylene.
Preferably, the filling material of the buffer layer is a PP rope.
Compared with the prior art, beneficial effect does:
the utility model provides a crosslinked polyethylene insulating polyethylene sheath aerial [ insulated ] cable, through with first couple and the fixed articulate on high-voltage line defeated wire cable of second couple, because the inside installation piece that sets up of outer protective layer, set up the telescopic link in the installation piece, the top of telescopic link is provided with the connecting block, the connecting block contacts with the polyethylene insulating layer, extrude, a plurality of damping device cooperation, carry out the shock attenuation, the inside overhead state that all is in of polyethylene insulating layer has been reached, compressive property is improved, product property can be excellent, the life of improvement device, satisfy user demand's purpose.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the polyethylene insulation layer of the present invention;
fig. 3 is a schematic structural view of the damping device of the present invention.
In the figure: 1. an outer protective layer; 2. a first hook; 3. a reinforcing bar; 4. a second hook; 5. mounting blocks; 6. a telescopic rod; 7. a compression spring; 8. connecting blocks; 9. a polyethylene insulating layer; 10. a metal protective layer; 11. a buffer layer; 12. an inner insulating layer; 13. a metal power line; 14. a metal reinforcing core.
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.
Referring to fig. 1-3, the present invention provides a technical solution: insulating polyethylene sheath aerial [ insulated ] cable of crosslinked polyethylene, including outer protective layer 1, the outside upper end fixed mounting of outer protective layer 1 has first couple 2, the lower extreme fixed mounting of outer protective layer 1 has stiffener 3, the both ends fixed mounting of stiffener 3 has second couple 4, welded fastening has installation piece 5 on the inner wall of outer protective layer 1, the inboard fixed mounting of installation piece 5 has telescopic link 6, the inboard fixed mounting of telescopic link 6 is at connecting block 8, the inboard fixed mounting of connecting block 8 has polyethylene insulation layer 9.
Specifically, compression spring 7 has been cup jointed on the telescopic link 6, and compression spring 7's upper end welded fastening is on installation piece 5, and installation piece 5 passes through compression spring 7 and connecting block 8 fixed connection.
In this embodiment: the compression spring 7 has a good buffering effect, and when the outer protection layer 1 receives external impact, the elastic potential energy of the compression spring 7 can be increased, and the pressure received by an internal working element can be reduced.
Specifically, the metal protective layer 10 and the metal protective layer 10 are fixedly sleeved in the polyethylene insulating layer 9, the buffer layer 11 is filled in the metal protective layer 10, the inner insulating layer 12 is arranged in the buffer layer 11, and the metal power line 13 is arranged in the inner insulating layer 12.
In this embodiment: the polyethylene insulation layer 9 contains the main body of the cable, and the stability of the single cable is improved.
Specifically, a metal reinforcing core 14 is fixedly connected to the inner side of the inner insulating layer 12.
In this embodiment: the metal core 14 may improve the compressive and tensile resistance of the overall device.
Specifically, the outer protective layer 1 and the inner insulating layer 12 are made of polyethylene.
In this embodiment: the materials used for the outer protective layer 1 and the inner insulating layer 12 have good insulating properties.
Specifically, the filling material of the buffer layer 11 is a PP rope.
In this embodiment: the buffer layer 11 can prevent the insulating layers 12 from being crushed against each other.
During the use, with first couple 2 and the fixed articulate on high-voltage line defeated wire cable of second couple 4, because outer protective layer 1 is inside to set up installation piece 5, set up telescopic link 6 in the installation piece 5, the top of telescopic link 6 is provided with connecting block 8, connecting block 8 contacts with polyethylene insulating layer 9, extrude, a plurality of damping device cooperations, carry out the shock attenuation, it all is in built on stilts state to have reached polyethylene insulating layer inside, the compressive property is improved, product performance is excellent, the life of the device is prolonged, the purpose of user demand is satisfied.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Insulating polyethylene sheath aerial [ insulated ] cable of crosslinked polyethylene, including outer protective layer (1), its characterized in that: the utility model discloses a building protective layer, including outer protective layer (1), the outside upper end fixed mounting of outer protective layer (1) has first couple (2), the lower extreme fixed mounting of outer protective layer (1) has stiffener (3), the both ends fixed mounting of stiffener (3) has second couple (4), welded fastening has installation piece (5) on the inner wall of outer protective layer (1), the inboard fixed mounting of installation piece (5) has telescopic link (6), the inboard fixed mounting of telescopic link (6) is at connecting block (8), the inboard fixed mounting of connecting block (8) has polyethylene insulation layer (9).
2. The cross-linked polyethylene insulated polyethylene sheathed overhead cable according to claim 1, wherein: the telescopic rod (6) is sleeved with a compression spring (7), the upper end of the compression spring (7) is welded and fixed on the installation block (5), and the installation block (5) is fixedly connected with the connecting block (8) through the compression spring (7).
3. The cross-linked polyethylene insulated polyethylene sheathed overhead cable according to claim 1, wherein: the metal protection layer (10) is fixedly sleeved in the polyethylene insulation layer (9), the metal protection layer (10) is filled in the metal protection layer (10), the inner layer insulation layer (12) is arranged in the buffer layer (11), and the metal power line (13) is arranged in the inner layer insulation layer (12).
4. The cross-linked polyethylene insulated polyethylene sheathed overhead cable of claim 3, wherein: and a metal reinforcing core (14) is fixedly connected to the inner side of the inner insulating layer (12).
5. The cross-linked polyethylene insulated polyethylene sheathed overhead cable according to claim 1, wherein: the outer protective layer (1) and the inner insulating layer (12) are made of polyethylene.
6. The cross-linked polyethylene insulated polyethylene sheathed overhead cable of claim 3, wherein: the filling material of the buffer layer (11) is a PP rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168797.0U CN210073428U (en) | 2019-07-24 | 2019-07-24 | Cross-linked polyethylene insulated polyethylene sheath aerial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168797.0U CN210073428U (en) | 2019-07-24 | 2019-07-24 | Cross-linked polyethylene insulated polyethylene sheath aerial cable |
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| CN210073428U true CN210073428U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921168797.0U Active CN210073428U (en) | 2019-07-24 | 2019-07-24 | Cross-linked polyethylene insulated polyethylene sheath aerial cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397239A (en) * | 2020-11-09 | 2021-02-23 | 安徽福日光电科技有限公司 | Practical wire and cable of resistance to compression heat resistance |
| CN112670018A (en) * | 2020-12-22 | 2021-04-16 | 欧耐特线缆集团有限公司 | Rubber cable convenient to install and resistant to compression and compression resistant method thereof |
-
2019
- 2019-07-24 CN CN201921168797.0U patent/CN210073428U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397239A (en) * | 2020-11-09 | 2021-02-23 | 安徽福日光电科技有限公司 | Practical wire and cable of resistance to compression heat resistance |
| CN112670018A (en) * | 2020-12-22 | 2021-04-16 | 欧耐特线缆集团有限公司 | Rubber cable convenient to install and resistant to compression and compression resistant method thereof |
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