CN220821167U - Environment-friendly water tree resistant crosslinked polyethylene insulated medium-voltage power cable - Google Patents
Environment-friendly water tree resistant crosslinked polyethylene insulated medium-voltage power cable Download PDFInfo
- Publication number
- CN220821167U CN220821167U CN202321924724.6U CN202321924724U CN220821167U CN 220821167 U CN220821167 U CN 220821167U CN 202321924724 U CN202321924724 U CN 202321924724U CN 220821167 U CN220821167 U CN 220821167U
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- Prior art keywords
- crosslinked polyethylene
- water tree
- resistant crosslinked
- voltage power
- power cable
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- 240000005572 Syzygium cordatum Species 0.000 title claims abstract description 22
- 235000006650 Syzygium cordatum Nutrition 0.000 title claims abstract description 22
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 22
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920013716 polyethylene resin Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses an environment-friendly water tree-resistant crosslinked polyethylene insulation medium-voltage power cable, and relates to the technical field of cables. The utility model includes a guide assembly; the guide assembly comprises a lower fixed ring, a buckle, an upper fixed ring, a connecting column, a telescopic column and a guide ring, wherein the lower fixed ring is in sliding contact with the lower end of the surface of the outer sheath, the buckle is arranged on the outer surface of the top end of the lower fixed ring, the upper fixed ring is connected to the outer surface of the buckle, the connecting column is arranged on the middle part of the top end of the upper fixed ring, the telescopic column is connected to the upper surface of the connecting column, and the guide ring is arranged on the upper surface of the telescopic column. The guide component provided by the utility model solves the problems that in the existing cable installation process, the cable needs to be pulled, when a plurality of cables are pulled, the same tension load needs to be kept, in the multi-cable pulling process, manual alignment is needed, comparison is needed, then the pulling is carried out, manual error measurement is easy to occur, and the load of the same tension cannot be met.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an environment-friendly water tree-resistant crosslinked polyethylene insulated medium-voltage power cable.
Background
A cable made of one or more mutually insulated conductors and an outer insulating protective layer, wires for transmitting power or information from one place to another. The cables include power cables, control cables, compensation cables, shield cables, high temperature cables, computer cables, signal cables, coaxial cables, fire resistant cables, marine cables, mining cables, aluminum alloy cables, and the like. They are composed of single or multi-strand wires and insulating layers for connecting circuits, appliances, etc.
However, the following drawbacks still exist in practical use:
The existing cable is required to be pulled in the installation process, when a plurality of cables are pulled, the same tensile load is required to be kept, when the plurality of cables are pulled, manual alignment is required, comparison is carried out, then the cables are pulled, manual error measurement is easy to occur, and the load with the same tensile force cannot be met.
Therefore, an environment-friendly water tree resistant crosslinked polyethylene insulated medium voltage power cable is newly proposed to solve the above problems.
Disclosure of utility model
1. Technical problem to be solved
The utility model aims to provide an environment-friendly water tree-resistant crosslinked polyethylene insulated medium-voltage power cable, which is provided with a guide component to solve the problems that the cable needs to be pulled in the installation process of the traditional cable, the same tensile load needs to be kept when a plurality of cables are pulled, the cables need to be aligned manually in the pulling process of the plurality of cables, and the cables are aligned manually, compared and pulled, so that the manual error measurement is easy to occur, and the load with the same tensile force cannot be met.
2. Technical proposal
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The utility model relates to an environment-friendly water tree resistant crosslinked polyethylene insulated medium voltage power cable, which comprises:
A protective assembly;
The protection component comprises an outer sheath and a metal wire of the metal wire shielding layer, wherein the metal wire of the metal wire shielding layer is embedded in the outer sheath;
A guide assembly;
The guide assembly comprises a lower fixed ring, a buckle, an upper fixed ring, a connecting column, a telescopic column and a guide ring, wherein the lower fixed ring is in sliding contact with the lower end of the surface of the outer sheath, the buckle is arranged on the outer surface of the top end of the lower fixed ring, the upper fixed ring is connected to the outer surface of the buckle, the connecting column is arranged on the middle part of the top end of the upper fixed ring, the telescopic column is connected to the upper surface of the connecting column, and the guide ring is arranged on the upper surface of the telescopic column.
Further, a clamping groove is formed in the bottom end of the upper fixing ring, and the clamping groove is spliced with the buckle;
Specifically, through the connection of draw-in groove and buckle, reach the operation of carrying out dismouting with last solid fixed ring and lower solid fixed ring, improve the convenience of device.
Further, the insulating component comprises a conductor, the semi-conductive conductor shielding layer is coated on the periphery of the conductor, the water tree-resistant crosslinked polyethylene insulating layer is coated on the periphery of the semi-conductive conductor shielding layer, and the semi-conductive insulating shielding layer is coated on the periphery of the water tree-resistant crosslinked polyethylene insulating layer;
The outer sheath is coated on the periphery of the semiconductive insulating shielding layer;
Specifically, the arranged conductor shielding and insulation shielding are semiconductive shielding materials, the insulation is water tree-resistant crosslinked polyethylene insulating materials, and the insulating materials are harmless and recyclable; the long-term running working temperature reaches 90 ℃; the voltage-resistant level is high, insulating water branches are not easy to generate in the long-term operation process of the cable, the service life of the cable is greatly prolonged, and the loss is reduced; the polyethylene resin has the advantages of rich yield, convenient acquisition and low processing cost.
Further, the radius ratio of the semi-conductive insulating shielding layer to the metal wire shielding layer is 6-10 times;
Further, the thickness range of the water tree resistant crosslinked polyethylene insulating layer is 5.33-6.35 mm.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
1. According to the utility model, under the use of the guide ring, when a plurality of cables are pulled in the same way, the guide ring can be penetrated to maintain the same tensile load, so that the specified requirement is met during the pulling, and the damage of the cables caused by different tensile forces is reduced;
2. Based on the upper fixing ring and the lower fixing ring which are arranged below the guide ring in the first beneficial effect, the guide ring can be quickly adjusted to a required position through the arrangement of the buckle and the clamping groove, so that the efficiency is higher when the optical cable is pulled;
3. Based on the second beneficial effect, the conductor shielding and the insulation shielding are arranged to be semi-conductive shielding materials, the insulation is water tree-resistant crosslinked polyethylene insulation materials, the recyclable performance is achieved, the service life of the cable is greatly prolonged, and the loss is reduced; the polyethylene resin has the advantages of rich yield, convenient acquisition and low processing cost.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an external view of the present utility model;
FIG. 2 is a block diagram of a guide assembly of the present utility model;
Fig. 3 is a structural view of an insulation assembly according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
100. A protective assembly; 110. a wire shielding layer; 120. an outer sheath; 200. a guide assembly; 210. a lower fixing ring; 220. a buckle; 230. an upper fixing ring; 240. a connecting column; 250. a telescopic column; 260. a guide ring; 300. an insulating assembly; 310. a conductor; 320. a semiconductive shield layer; 330. a water tree resistant crosslinked polyethylene insulation layer; 340. a semiconductive insulating shield.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Examples
Referring to fig. 1-2, the present embodiment is an environment-friendly water tree-resistant crosslinked polyethylene insulated medium voltage power cable, comprising:
A guard assembly 100;
The protection component 100 comprises an outer sheath 120 and wires of the wire shielding layer 110 are embedded in the outer sheath 120;
a guide assembly 200;
The guide assembly 200 includes a lower fixing ring 210 slidably contacting the lower end of the surface of the outer sheath 120, a buckle 220 provided on the outer surface of the top end of the lower fixing ring 210, an upper fixing ring 230 connected to the outer surface of the buckle 220, a connection post 240 provided on the middle of the top end of the upper fixing ring 230, a telescopic post 250 connected to the upper surface of the connection post 240, and a guide ring 260 provided on the upper surface of the telescopic post 250;
A clamping groove is formed in the bottom end of the upper fixing ring 230, and the clamping groove is spliced with the buckle 220;
The guide assembly 200 is used:
Upon installation of the assembly;
After aligning the lower fixing ring 210 with the upper fixing ring 230, applying opposite force to the lower fixing ring 210 and the upper fixing ring 230 until the clamping groove is connected with the buckle 220, applying upward force to the telescopic column 250 to a required height, and passing the traction tool through the guide ring 260;
Upon disassembly of the assembly;
Applying opposite force to the lower fixing ring 210 and the upper fixing ring 230 until the clamping groove is separated from the buckle 220, and then removing the lower fixing ring 210 and the upper fixing ring 230 from the outer surface of the outer sheath 120;
The use of the guide assembly 200 is completed.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. An environment-friendly water tree resistant crosslinked polyethylene insulated medium voltage power cable, comprising:
A protective assembly (100);
The protection component (100) comprises an outer sheath (120) and a metal wire of the metal wire shielding layer (110) which are arranged, wherein the metal wire of the metal wire shielding layer (110) is embedded in the outer sheath (120);
A guide assembly (200);
The guide assembly (200) comprises a lower fixing ring (210) which is in sliding contact with the lower end of the surface of the outer sheath (120), a buckle (220) arranged on the outer surface of the top end of the lower fixing ring (210), an upper fixing ring (230) connected to the outer surface of the buckle (220), a connecting column (240) arranged on the middle of the top end of the upper fixing ring (230), a telescopic column (250) connected to the upper surface of the connecting column (240) and a guide ring (260) arranged on the upper surface of the telescopic column (250).
2. The environment-friendly water tree-resistant crosslinked polyethylene insulated medium voltage power cable according to claim 1, wherein a clamping groove is formed in the bottom end of the upper fixing ring (230), and the clamping groove is spliced with the buckle (220).
3. The environment-friendly water tree-resistant crosslinked polyethylene insulated medium voltage power cable according to claim 1, further comprising an insulation component (300), wherein the insulation component (300) comprises a conductor (310), a semiconductive conductor shielding layer (320) is coated on the periphery of the conductor (310), a water tree-resistant crosslinked polyethylene insulation layer (330) is coated on the periphery of the semiconductive conductor shielding layer (320), and a semiconductive insulation shielding layer (340) is coated on the periphery of the water tree-resistant crosslinked polyethylene insulation layer (330);
the outer sheath (120) is wrapped around the semiconductive insulating shield (340).
4. An environmentally friendly water tree resistant crosslinked polyethylene insulated medium voltage power cable according to claim 3 wherein said semiconductive insulation shield (340) has a radius of 6-10 times the radius of said wire shield (110).
5. An environmentally friendly water tree resistant crosslinked polyethylene insulated medium voltage power cable according to claim 3 wherein the thickness of the water tree resistant crosslinked polyethylene insulation layer (330) is in the range of 5.33-6.35 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321924724.6U CN220821167U (en) | 2023-07-21 | 2023-07-21 | Environment-friendly water tree resistant crosslinked polyethylene insulated medium-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321924724.6U CN220821167U (en) | 2023-07-21 | 2023-07-21 | Environment-friendly water tree resistant crosslinked polyethylene insulated medium-voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220821167U true CN220821167U (en) | 2024-04-19 |
Family
ID=90708769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321924724.6U Active CN220821167U (en) | 2023-07-21 | 2023-07-21 | Environment-friendly water tree resistant crosslinked polyethylene insulated medium-voltage power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220821167U (en) |
-
2023
- 2023-07-21 CN CN202321924724.6U patent/CN220821167U/en active Active
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