CN210838890U - 35kV cable draws device down - Google Patents
35kV cable draws device down Download PDFInfo
- Publication number
- CN210838890U CN210838890U CN201921419869.4U CN201921419869U CN210838890U CN 210838890 U CN210838890 U CN 210838890U CN 201921419869 U CN201921419869 U CN 201921419869U CN 210838890 U CN210838890 U CN 210838890U
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- China
- Prior art keywords
- tower
- type strain
- strain clamp
- hardware string
- bolt type
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- 239000012212 insulator Substances 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims abstract description 14
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Abstract
The utility model provides a 35kV cable down-leading device, which comprises a tower reserved hanging plate, a suspension type lightning arrester hardware string, an insulator hardware string, a tower reserved hanging ring, a cable terminal and a cable terminal; one end of the reserved hanging plate of the tower is connected with a first layer cross arm of the tower, the other end of the reserved hanging plate of the tower is connected with one end of a suspension type lightning arrester hardware string, and the other end of the suspension type lightning arrester hardware string is connected with a first bolt type strain clamp; one end of the reserved hanging ring of the tower is connected with the second-layer cross arm of the tower, the other end of the reserved hanging ring of the tower is connected with one end of the insulator hardware string, and the other end of the insulator hardware string is connected with a second bolt type strain clamp; a drainage wire is connected between the first bolt type strain clamp and the second bolt type strain clamp; a copper-aluminum transition wire clamp is installed on the cable terminal, the copper-aluminum transition wire clamp is connected with a steel-cored aluminum strand, and the other end of the steel-cored aluminum strand is connected with a second bolt type strain clamp; the jumper wire is connected with the first bolt type strain clamp.
Description
Technical Field
The utility model relates to a technical field is drawn down to the cable, especially relates to a device is drawn down to 35kV cable.
Background
With the rapid development of urbanization construction and the continuous expansion of urban scale, part of suburbs gradually develop into urban areas, and the 35kV overhead lines originally located in the suburbs gradually become factors restricting the urban development. The transformation of the 35kV overhead line under the cable is imperative, so how to safely and reliably lead the 35kV cable down from the current 35kV overhead line is still a technical problem to be solved.
At present, two design schemes are mainly adopted for leading down 35kV cables in most regions. One method is that a cable terminal mounting platform is additionally arranged on a tower, and a cable terminal is placed on the platform, so that the method has the disadvantages of more consumed materials, large occupied space, high construction difficulty and high safety risk during platform mounting; another is to suspend the cable termination under the arrester and the rod-shaped composite insulator in such a way that, in windy weather, the cable termination swings with the wind, causing damage to the stress cone in the cable termination, which in the past may lead to discharge failure of the cable termination.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model provides a device is drawn down to 35kV cable need not to install cable termination mounting platform additional, and can be fixed with cable termination, makes it not swing along with the wind, safe and reliable.
The utility model adopts the technical proposal that:
a35 kV cable down-leading device comprises a pole tower reserved hanging plate, a suspension type lightning arrester hardware string, an insulator hardware string and a pole tower reserved hanging ring;
one end of the reserved hanging plate of the tower is connected with a first layer cross arm of the tower, the other end of the reserved hanging plate of the tower is connected with one end of a suspension type lightning arrester hardware string, and the other end of the suspension type lightning arrester hardware string is connected with a first bolt type strain clamp;
one end of the reserved hanging ring of the tower is connected with the second-layer cross arm of the tower, the other end of the reserved hanging ring of the tower is connected with one end of the insulator hardware string, and the other end of the insulator hardware string is connected with a second bolt type strain clamp;
and a drainage wire is connected between the first bolt type strain clamp and the second bolt type strain clamp.
The cable terminal is provided with a copper-aluminum transition wire clamp, the copper-aluminum transition wire clamp is connected with a steel-cored aluminum strand, and the other end of the steel-cored aluminum strand is connected with a second bolt type strain clamp.
Further, still include the wire jumper, the wire jumper is connected first bolt type strain clamp.
Furthermore, the hanging plate is reserved on the tower, the hanging type lightning arrester hardware string, the first bolt type strain clamp, the drainage wire, the second bolt type strain clamp, the insulator hardware string and the hanging ring are reserved on the same vertical line.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model does not need to install a platform, and has the advantages of less material consumption, small occupied space and simple construction;
(2) the utility model discloses can be fixed with cable termination, make it not swing along with the wind, avoided the possibility of insulation damage, guarantee power supply safe and reliable.
Drawings
Fig. 1 is a front view of a 35kV cable take-down device according to an embodiment of the present invention;
fig. 2 is a side view of a 35kV cable take-down apparatus according to an embodiment of the present invention;
the hanging plate is reserved on the tower 1, the hanging plate is reserved on the tower 2, the hanging arrester hardware string is reserved on the tower 3, the first bolt type strain clamp is 4, the drainage wire is 5, the copper-aluminum transition clamp is 6, the insulator hardware string is 7, the hanging ring is reserved on the tower 8, the cable terminal is 9, the jumper wire is 10, the first layer cross arm is 11, the second layer cross arm is 12 and the second bolt type strain clamp is 12.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be fixedly connected, or may be integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides a 35kV cable draws device down, the device include the shaft tower reserve link plate 1, 35kV suspension type arrester gold utensil cluster 2, first bolt type strain clamp 3, drainage wire 4, second bolt type strain clamp 12, copper aluminium transition fastener 5, insulator gold utensil cluster 6, the shaft tower reserve link 7, cable termination 8 and wire jumper 9.
Specifically, one end of a tower reserved hanging plate 1 is connected with a first layer cross arm 10 of a tower, the other end of the tower reserved hanging plate is connected with one end of a 35kV suspension type lightning arrester hardware string 2, the other end of the 35kV suspension type lightning arrester hardware string 2 is connected with a first bolt type strain clamp 3, one end of a tower reserved hanging ring 7 is connected with a second layer cross arm 1 of the tower, the other end of the tower reserved hanging ring is connected with one end of an insulator hardware string 6, the other end of the insulator hardware string 6 is connected with a second bolt type strain clamp 12, a drainage wire 4 is connected between the first bolt type strain clamp 3 and the second bolt type strain clamp 12, a copper-aluminum transition clamp 5 is installed on a cable terminal 8, the copper-aluminum transition clamp 5 is connected with an aluminum stranded wire 13, the other end of the aluminum stranded wire 13 is connected with the second bolt type strain clamp 12, a jumper 9 is connected with the first bolt type strain clamp 3, the steel-cored aluminum strand is connected with the jumper wire 9 through the second bolt type strain clamp 12, the drainage wire 4 and the first bolt type strain clamp 3, and the steel-cored aluminum strand is tightened to keep the 35kV suspension type lightning arrester hardware string and the insulator hardware string on the same vertical line as far as possible.
In this embodiment, the pole tower reserved hanging plate 1, the 35kV suspended lightning arrester hardware string 2, the first bolt type strain clamp 3, the drainage wire 4, the second bolt type strain clamp 12, the insulator hardware string 6 and the pole tower reserved hanging ring 7 are located on the same vertical line.
The 35kV cable leading-down device provided by the embodiment installs the 35kV suspension type lightning arrester hardware string 1 and the insulator hardware string 6 on two layers of cross arms of a tower, keeps the cross arms on a vertical line as much as possible, and simultaneously connects the steel-cored aluminum stranded wire 13 led out from the cable terminal 8 with a jumper wire through a bolt type strain clamp installed on the suspension type lightning arrester hardware string and the insulator hardware string.
In this embodiment, the 35kV suspension type lightning arrester hardware string 2 is hung on the first-layer cross arm 10 of the tower through the tower reservation hanging plate 1.
In this embodiment, the insulator hardware string 6 is hung on the second-layer cross arm 11 of the tower through the tower reserved hanging ring 7.
In this embodiment, two bolt-type strain clamps are installed at the other ends 6 of the suspended type arrester fitting string 2 and the insulator fitting string, respectively.
In the embodiment, the copper-aluminum transition wire clamp 5 is installed on the cable terminal 8, and then the steel-cored aluminum stranded wire 13 is led out from the copper-aluminum transition wire clamp 5.
In this embodiment, the steel-cored aluminum strand 13 is connected to the jumper wire 9 by two bolt-type strain clamps, and the steel-cored aluminum strand 13 is tightened at the same time, so that the suspension type lightning arrester hardware string 2 and the insulator hardware string 6 are on the same vertical line.
As shown in fig. 2, when the 35kV cable take-down device provided by the utility model is used, firstly, the 35kV suspension type lightning arrester hardware string 2 is hung on the first layer cross arm 10 of the tower through the tower reserved hanging plate 1; the insulator hardware string 6 is hung on a cross arm 11 at the second layer of the tower through a tower reserved hanging ring 7; a copper-aluminum transition wire clamp is installed on a cable terminal, a steel-cored aluminum stranded wire 12 is led out from the copper-aluminum transition wire clamp 5, and is connected with a jumper wire through two bolt type strain clamps and tightened, so that a 35kV suspension type lightning arrester hardware string and an insulator hardware string are kept on the same vertical line.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (4)
1. A35 kV cable down-leading device is characterized by comprising a pole tower reserved hanging plate, a suspension type lightning arrester hardware string, an insulator hardware string and a pole tower reserved hanging ring;
one end of the reserved hanging plate of the tower is connected with a first layer cross arm of the tower, the other end of the reserved hanging plate of the tower is connected with one end of a suspension type lightning arrester hardware string, and the other end of the suspension type lightning arrester hardware string is connected with a first bolt type strain clamp;
one end of the reserved hanging ring of the tower is connected with the second-layer cross arm of the tower, the other end of the reserved hanging ring of the tower is connected with one end of the insulator hardware string, and the other end of the insulator hardware string is connected with a second bolt type strain clamp;
and a drainage wire is connected between the first bolt type strain clamp and the second bolt type strain clamp.
2. The 35kV cable down-lead device according to claim 1, further comprising a cable terminal, wherein the cable terminal is provided with a copper-aluminum transition wire clamp, the copper-aluminum transition wire clamp is connected with a steel-cored aluminum strand, and the other end of the steel-cored aluminum strand is connected with a second bolt type strain clamp.
3. The 35kV cable pull-down device of claim 1, further comprising a jumper wire connecting the first bolt-type strain clamp.
4. The 35kV cable down-leading device according to claim 1, wherein the pole tower reserved hanging plate, the hanging type lightning arrester hardware string, the first bolt type strain clamp, the drainage conductor, the second bolt type strain clamp, the insulator hardware string and the pole tower reserved hanging ring are located on the same vertical line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419869.4U CN210838890U (en) | 2019-08-28 | 2019-08-28 | 35kV cable draws device down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419869.4U CN210838890U (en) | 2019-08-28 | 2019-08-28 | 35kV cable draws device down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210838890U true CN210838890U (en) | 2020-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921419869.4U Active CN210838890U (en) | 2019-08-28 | 2019-08-28 | 35kV cable draws device down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210838890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114825167A (en) * | 2022-04-22 | 2022-07-29 | 贵州西电电力股份有限公司黔北发电厂 | Optimization method for diversion wire reconnection |
-
2019
- 2019-08-28 CN CN201921419869.4U patent/CN210838890U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114825167A (en) * | 2022-04-22 | 2022-07-29 | 贵州西电电力股份有限公司黔北发电厂 | Optimization method for diversion wire reconnection |
| CN114825167B (en) * | 2022-04-22 | 2023-09-05 | 贵州西电电力股份有限公司黔北发电厂 | Optimization method for drainage wire reconnection |
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