CN109914895A - A kind of not contour cross-arm brill crossing pole tower of overhead transmission line - Google Patents
A kind of not contour cross-arm brill crossing pole tower of overhead transmission line Download PDFInfo
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- CN109914895A CN109914895A CN201910290083.5A CN201910290083A CN109914895A CN 109914895 A CN109914895 A CN 109914895A CN 201910290083 A CN201910290083 A CN 201910290083A CN 109914895 A CN109914895 A CN 109914895A
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- conducting wire
- transmission line
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Abstract
The present invention relates to a kind of not contour cross-arms of overhead transmission line to bore crossing pole tower, crossing pole tower is bored including a kind of not contour cross-arm of overhead transmission line, including the multiple mobile jibs arranged vertically, the mobile jib top is fixed with high cross-arm, lower part is equipped with low cross-arm, the high cross-arm is arranged in parallel with low cross-arm, difference in height between the two, can adjust according to crossing over, boring actual conditions more；The high cross-arm crosses over side conducting wire for connecting, and the low cross-arm gets over side conducting wire for connecting to bore；Drainage wire portion is provided between the high cross-arm and low cross-arm, the drainage wire portion and mobile jib keep safe distance setting.The present invention can be realized a shaft tower while cross over, bore purpose more, and can guarantee that each electrical body keeps setting electric clearance with shaft tower main body and ground respectively in shaft tower, improves the safety of shaft tower.
Description
Technical field
The invention belongs to electrical equipment technical fields, and in particular to a kind of not contour cross-arm brill crossing pole of overhead transmission line
Tower.
Background technique
Overhead transmission line refers to: it is set up on ground, it is defeated with underground using the power circuit of insulator and air insulation
Electric line compares, and overhead construction is at low cost, and short construction period is easy to repair and maintenance.Therefore, overhead transmission line transmission of electricity is electricity
Used main power transmission mode since power industrial development.Commonly called transmission line of electricity just refers to overhead transmission line.Pass through
Overhead transmission line connects the power station of different regions, substation, load point, conveys or exchange electric energy, constitutes various voltages
The electric power networks or power distribution network of grade.
Inventor thinks: the shaft tower two sides conducting wire hanging wire point height of existing overhead transmission line routine is identical, and scene encounters
Side needs to cross over, the other side needs to bore when getting over, and cannot achieve.It needs using the aerial scheme to detour or got over using cable drill,
Construction investment is higher.There is part engineering to cause not bore because that can not bore more more scheme, the drilled more route of transformation need to be increased, be related to
To power failure, engineering construction difficulty is larger, and construction investment is higher.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of not contour cross-arm of overhead transmission line
Bore crossing pole tower, can be realized a shaft tower while crossing over, boring the purpose got over, and can guarantee in shaft tower each route respectively with shaft tower
Main body and ground keep the electric clearance of safety, improve the safety of shaft tower.
To achieve the above object, the present invention adopts the following technical solutions: a kind of not contour cross-arm of overhead transmission line bore across
Shaft tower, including the multiple mobile jibs arranged vertically, mobile jib top is fixed with high cross-arm, and lower part is equipped with low cross-arm, high cross-arm with it is low
Cross-arm is arranged in parallel, and has set distance between the high cross-arm and low cross-arm；High cross-arm crosses over side conducting wire, low cross for connecting
Load gets over side conducting wire for connecting to bore；
Drainage wire portion is provided between high cross-arm and low cross-arm, drainage wire portion keeps the setting of safety electrical with mobile jib
Distance and be parallel to mobile jib setting；
The connection for being carried out across side conducting wire and being bored more side conducting wire respectively using high cross-arm and low cross-arm, can be avoided using frame
Sky is detoured or is got over using cable version brill；
Using drainage wire portion drainage, more side conducting wire will be bored and be connected to across side conducting wire, conducting wire conduction part and mobile jib are kept
The setting electrical distance of safety, can satisfy the electric clearance requirement between live wire and mobile jib, meets the safety of device
Demand.
Further, described to be led respectively by horizontally disposed first strain insulator-string with drainage across side conducting wire and brill more side conducting wire
The connection of line portion.
Using the first wire tension-resistant string, it can guarantee to bore more side conducting wire and cross over distance between side wire termination and mobile jib,
Guarantee electric clearance.
Drainage wire portion includes vertical the second wire tension-resistant string arranged and connect respectively with high cross-arm, low cross-arm, and two
Pass through drainage conducting wire tensioning setting between second wire tension-resistant string.
Using the second wire tension-resistant string, it can guarantee that the upper and lower ends for draining conducting wire are kept with high cross-arm, low cross-arm respectively
Electric clearance is set, the safety of device is met.
Further, described to be connect across side conducting wire by the first wire jumper with the upper end for draining conducting wire, the first wire jumper is in circular arc
Shape arrangement.
Further, the more side conducting wire that bores is connect by the second wire jumper with the lower end for draining conducting wire, the second wire jumper and low cross
Composite post insulator is provided between load, composite post insulator is used to increase the electric equipment compartment between the second wire jumper and low cross-arm
Gap prevents wind swing.
Setting electric clearance is kept between first wire jumper and mobile jib, high cross-arm, is protected between the second wire jumper and mobile jib, low cross-arm
Setting electric clearance is held, can satisfy the security requirement of device.
Further, the upper and lower ends of the drainage conducting wire pass through T-type wire clamp respectively and connect with the second wire tension-resistant series winding.
Further, high cross-arm is greater than low cross-arm in the height of vertical direction, and high cross-arm can basis at a distance from low cross-arm
The height setting that object is got over across object, brill at scene.
Beneficial effects of the present invention:
The present invention carries out connecting across side conducting wire and brill more side conducting wire with low cross-arm using special high cross-arm respectively, can
It avoids getting over scheme using aerial detour or using cable drill；
Using conducting wire conduction part, more side conducting wire will be bored and be connected to across side conducting wire, conducting wire conduction part and mobile jib keep safety
Set distance, can satisfy the electric clearance requirement between live wire and mobile jib, meet the requirement of equipment safety.
Using the structure of the first wire jumper and the second wire jumper, the first wire jumper realizes the effect of jumper string under gravity,
Second wire jumper realizes the effect of jumper string under the supporting role of composite post insulator, can guarantee the first wire jumper, second
Wire jumper has the electric clearance of setting with shaft tower respectively.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is overall structure main view in the embodiment of the present invention；
Fig. 2 is overall structure side view in the embodiment of the present invention.
In figure: 1, the first wire tension-resistant string；2, the second wire tension-resistant string；3, conducting wire is drained；4, T-type wire clamp；5, composite support
Column insulator；6, mobile jib；7, high cross-arm；8, low cross-arm；9, the second wire jumper；10, the first wire jumper.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In a kind of exemplary embodiment of the invention, as shown in Figs. 1-2, this implementation provides a kind of overhead transmission line etc.
High cross-arm bores crossing pole tower, and including the multiple mobile jibs 6 arranged vertically, 6 top of mobile jib is fixed with high cross-arm 7, and lower part is equipped with
Low cross-arm 8, the high cross-arm 7 are arranged in parallel with low cross-arm 8；The high cross-arm 7 crosses over side conducting wire, the low cross-arm for connecting
8 get over side conducting wire for connecting to bore；
Drainage wire portion is provided between the high cross-arm 7 and low cross-arm 8, the drainage wire portion and mobile jib 6 keep pacifying
Complete set distance and it is parallel to the setting of mobile jib 6；
The drainage wire portion is spaced about mobile jib 6 to be arranged, and is provided with a master between each adjacent two drainage wire portion
Bar 6.
Preferably, it is described across side conducting wire and boring get over side conducting wire pass through respectively horizontally disposed first wire tension-resistant string 1 and
Drain wire portion connection.
Preferably, the drainage wire portion includes that vertical second for arranging and connecting respectively with high cross-arm 7, low cross-arm 8 is led
Line strain insulator-string 2 passes through drainage 3 tensioning of conducting wire setting between two the second wire tension-resistant strings 2.
Preferably, described to be connect across side conducting wire by the first wire jumper 10 with the upper end for draining conducting wire 3, first wire jumper
10 arrange in arc-shaped.
Preferably, the more side conducting wire that bores is connect by the second wire jumper 9 with the lower end for draining conducting wire 3, second wire jumper 9
Composite post insulator 5 is provided between low cross-arm 8, the composite post insulator 5 is for increasing the second wire jumper 9 and low cross
Electric clearance between load 8.
Preferably, the upper and lower ends of the drainage conducting wire 3 pass through T-type wire clamp 4 respectively and connect with the second wire tension-resistant string 2.
Specifically, conducting wire conduction part meets itself electric clearance between high cross-arm 7, low cross-arm 8 by T-type wire clamp 4.
Preferably, high cross-arm 7 is greater than low cross-arm 8 in the height of vertical direction, difference in height between the two, according to cross over,
Bore the distance of both actual conditions adjustment more.
Working principle: will connect across side conducting wire with the first wire tension-resistant string 1 on high cross-arm 7, will bore get over side conducting wire and
The second wire tension-resistant string 2 connection on low cross-arm 8, then will be across side wire termination and drainage conducting wire 3 using the first wire jumper 10
Top connection, and the first wire jumper 10 should ensure that naturally droop into arc-shaped under the effect of gravity；It will be bored using the second wire jumper 9 and get over side
Wire termination connect with drainage 3 bottom end of conducting wire, and the second wire jumper 9 is supported using composite post insulator 5, guarantee the second wire jumper 9 and
Electric clearance between shaft tower.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (7)
1. a kind of not contour cross-arm of overhead transmission line bores crossing pole tower characterized by comprising
The multiple mobile jibs arranged vertically, the mobile jib top are fixed with high cross-arm, and lower part is equipped with low cross-arm, and the high cross-arm is used
Side conducting wire is crossed in connection, the low cross-arm gets over side conducting wire for connecting to bore；
It is provided with drainage wire portion between the high cross-arm and low cross-arm, drains and keeps set distance between wire portion and mobile jib.
2. the not contour cross-arm of overhead transmission line according to claim 1 bores crossing pole tower, which is characterized in that described to cross over side
Conducting wire and brill more side conducting wire pass through horizontally disposed first wire tension-resistant string respectively and connect with drainage wire portion.
3. the not contour cross-arm of overhead transmission line according to claim 2 bores crossing pole tower, which is characterized in that the drainage is led
Line portion includes vertical the second wire tension-resistant string arranged and connect respectively with high cross-arm, low cross-arm, two the second wire tension-resistant strings
Between by drainage conducting wire tensioning setting.
4. the not contour cross-arm of overhead transmission line according to claim 3 bores crossing pole tower, which is characterized in that described to cross over side
Conducting wire is connect by the first wire jumper with the upper end for draining conducting wire, and first wire jumper is arranged in arc-shaped.
5. the not contour cross-arm of overhead transmission line according to claim 3 bores crossing pole tower, which is characterized in that described bore gets over side
Conducting wire is connect by the second wire jumper with the lower end for draining conducting wire, and it is exhausted to be provided with composite post between second wire jumper and low cross-arm
Edge, the composite post insulator are used to increase the electric clearance between the second wire jumper and low cross-arm.
6. the not contour cross-arm of overhead transmission line according to claim 3 bores crossing pole tower, which is characterized in that the drainage is led
The upper and lower ends of line pass through T-type wire clamp respectively and connect with the second wire tension-resistant series winding.
7. the not contour cross-arm of overhead transmission line according to claim 1 bores crossing pole tower, which is characterized in that the high cross-arm
It is greater than low cross-arm in the height of vertical direction, there is set distance between high cross-arm and low cross-arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290083.5A CN109914895A (en) | 2019-04-11 | 2019-04-11 | A kind of not contour cross-arm brill crossing pole tower of overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290083.5A CN109914895A (en) | 2019-04-11 | 2019-04-11 | A kind of not contour cross-arm brill crossing pole tower of overhead transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109914895A true CN109914895A (en) | 2019-06-21 |
Family
ID=66969518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910290083.5A Pending CN109914895A (en) | 2019-04-11 | 2019-04-11 | A kind of not contour cross-arm brill crossing pole tower of overhead transmission line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961394A (en) * | 2022-06-29 | 2022-08-30 | 国网河南省电力公司经济技术研究院 | Transmission line abnormal shape is breathed high T and is connect pole tower |
-
2019
- 2019-04-11 CN CN201910290083.5A patent/CN109914895A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961394A (en) * | 2022-06-29 | 2022-08-30 | 国网河南省电力公司经济技术研究院 | Transmission line abnormal shape is breathed high T and is connect pole tower |
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Application publication date: 20190621 |
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| RJ01 | Rejection of invention patent application after publication |