CN105155903B - A kind of double loop, which becomes, exhales high shaft tower - Google Patents
A kind of double loop, which becomes, exhales high shaft tower Download PDFInfo
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- CN105155903B CN105155903B CN201510562175.6A CN201510562175A CN105155903B CN 105155903 B CN105155903 B CN 105155903B CN 201510562175 A CN201510562175 A CN 201510562175A CN 105155903 B CN105155903 B CN 105155903B
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Abstract
A kind of double loop, which becomes, exhales high shaft tower.It includes tower body, top layer ground wire cross-arm, totally one layer of the top layer ground wire cross-arm, from tower body both sides cross-arm is arranged perpendicular to newly-built line direction, three layers of the topping wire cross-arm point, each layer arranges one layer of both sides cross-arm from tower body perpendicular to newly-built line direction, and the middle level auxiliary cross-arm has multilayer, and each layer arranges one layer of both sides cross-arm from tower body perpendicular to newly-built line direction, totally three layers of the lower layer conductor cross-arm, each layer arranges one layer of both sides cross-arm from tower body perpendicular to newly-built line direction.The present invention realizes double loop change by a basic invention shaft tower and exhales high bore to cross over, reduce first across cross link transformation in rear driller's journey, put cable underground and the conversion of single double loop probability, avoid the power failure of cross link, add electric network reliability, construction cost is reduced, while further have compressed the newly-built circuit ground wire distance to the ground for boring and getting over shelves.
Description
Technical field：
High shaft tower is exhaled the present invention relates to ultra-high-tension power transmission line technical field, more particularly to a kind of change of double loop.
Background technology：
Work transmission line construction is the important component in power grid construction, and transmission is taken in power system, is divided
Match somebody with somebody, the effect of pressure regulation.In view of transmission line of electricity to transmit corridor principle of selecting the best qualified it is identical, for reduce cost, reduce take up an area examine
Consider, transmission line of electricity generally parallel cabling.Influenceed by newly-built transformer station's drop point site, newly-built circuit often with built transmission line of electricity
Often intersect, according to regulatory requirements, preferably cross over the relatively low circuit of voltage class and bore and get over the higher circuit of voltage class, therefore transmission of electricity
Circuit is first bored across rear（Or after subdrilling across）Situation occur repeatedly.
In Practical Project, first bored for transmission line of electricity across rear（Or after subdrilling across）Situation, by landform and site environment
Influence, is often difficult to be directly realized by, it usually needs take following several means only with 1 base shaft tower：
1）By raising voltage class higher line road or the reduction relatively low circuit of voltage class, but cause line outage, increase
Ledger line road construction cost.
2）By the way of overhead crossing, cable drill are got over, but cost of putting cable underground is higher, and circuit is not easy to patrol after building up
Inspection.
3）Double loop is changed to single loop, newly-built 2 base single loop drilling more tower, which is realized, to be bored more, there is that floor space is big, build
The problem of cost is high.
In summary, such scheme constructional difficulties and comprehensive cost is higher, are unfavorable for engineering construction.
The content of the invention：
Become it is an object of the invention to provide a kind of double loop and exhale high shaft tower, the line crossing side of the shaft tower, brill get over side wire
Arranged in drum type, it is identical with conventional line arrangement, brill is optimized across scheme, it is to avoid influence to adjacent tower wire arrangements,
Avoid old track remodelling and put cable underground.
In order to solve problem present in background technology, the present invention uses following technical scheme：It is with including tower body, top layer
It is provided with below line cross-arm, top layer ground wire cross-arm below topping wire cross-arm, topping wire cross-arm and is provided with middle level auxiliary cross-arm,
Lower layer conductor cross-arm, totally one layer of the top layer ground wire cross-arm, from tower body perpendicular to newly-built circuit are set below the auxiliary cross-arm of middle level
Both sides cross-arm is arranged in direction, and three layers of the topping wire cross-arm point, each layer arranges one from tower body perpendicular to newly-built line direction
Layer both sides cross-arm, the middle level auxiliary cross-arm has multilayer, and each layer arranges one layer of both sides from tower body perpendicular to newly-built line direction
Cross-arm, totally three layers of the lower layer conductor cross-arm, each layer arranges one layer of both sides cross-arm from tower body perpendicular to newly-built line direction；
Topmost one layer of both sides cross-arm is provided with a support insulator, the post insulator to the topping wire cross-arm
Son is arranged on cross-arm taper and is provided with two branch on newly-built line direction, two layers below of every layer of both sides cross-arm
Post insulator, wherein there is one to be arranged on cross-arm taper and perpendicular to newly-built line direction, another is arranged in the middle part of cross-arm
Span line side and each parallel to newly-built line direction；
The middle level auxiliary cross-arm is provided with three support insulators in each layer of both sides cross-arm, and one of pillar is exhausted
Edge is arranged on cross-arm taper and perpendicular to newly-built line direction, and one is arranged on cross-arm taper positioned at span line side and puts down
Row is in newly-built line direction, and another is arranged on cross-arm middle part span line side and parallel to newly-built line direction；
Lower layer conductor cross-arm two layers of both sides cross-arm below is provided with the jumper string with support tube, in highest one
Three support insulators are provided with the cross-arm of layer both sides, wherein there is one to be arranged on cross-arm taper and perpendicular to newly-built circuit side
To one is arranged on cross-arm taper positioned at span line side and parallel to newly-built line direction, and another is arranged in cross-arm
One layer of both sides cross-arm is provided with two branch in the middle of portion span line side and parallel to newly-built line direction, lower layer conductor cross-arm
Post insulator, wherein there is one to be arranged on cross-arm taper positioned at span line side and parallel to newly-built line direction, another
It is arranged on cross-arm middle part span line side and parallel to newly-built line direction, lower layer conductor cross-arm bottom both sides cross-arm is all provided with
A support insulator is equipped with, support insulator is arranged on cross-arm middle part span line side and parallel to newly-built line direction.
The present invention realizes double loop change by a basic invention shaft tower and exhales high bore to cross over, and reduces first across rear brill（Or first
After brill across）Cross link transformation in engineering, put cable underground and the conversion of single double loop probability, it is to avoid the power failure of cross link,
Electric network reliability is added, construction cost is reduced, the newly-built circuit ground wire for getting over shelves is bored to distance while further have compressed
From.
Brief description of the drawings：
Fig. 1 is structural representation of the invention；
Fig. 2 is wiring schematic diagram of the invention.
Embodiment：
Reference picture 1-2, it includes tower body 1, top layer ground wire cross-arm 2, and it is horizontal that the lower section of top layer ground wire cross-arm 2 is provided with topping wire
Load 3, the lower section of topping wire cross-arm 3 is provided with middle level auxiliary cross-arm 4, and the lower section of middle level auxiliary cross-arm 4 sets lower layer conductor cross-arm 5,
Totally one layer of 2 load of top layer ground wire horizontal stroke, arranges both sides cross-arm, the topping wire is horizontal from tower body 1 perpendicular to newly-built line direction
3 points three layers of load, each layer arranges one layer of both sides cross-arm from tower body 1 perpendicular to newly-built line direction, and the middle level auxiliary cross-arm 4 has
Multilayer, each layer from tower body 1 perpendicular to newly-built line direction arrange one layer of both sides cross-arm, totally three layers of the lower layer conductor cross-arm 5,
Each layer arranges one layer of both sides cross-arm from tower body 1 perpendicular to newly-built line direction.
The length of the top layer ground wire cross-arm 2 and the spacing with wire cross-arm, need to meet lightning protection, ground wire spacing
It is required that, the topping wire cross-arm 3, middle level auxiliary cross-arm 4, the length of lower layer conductor cross-arm 5 and spacing need to meet wire pitch,
The requirement of electric clearance, lightning protection, the number of plies of the middle level auxiliary cross-arm 4 is more put by boring and determined across the discrepancy in elevation between point
Fixed, the number of plies of the discrepancy in elevation more upper mesophere auxiliary cross-arm is more.
Topmost one layer of both sides cross-arm is provided with a support insulator 6 to the topping wire cross-arm 3, and the pillar is exhausted
Edge 6 is arranged on cross-arm taper and is provided with two on newly-built line direction, two layers below of every layer of both sides cross-arm
Individual support insulator 6, wherein there is one to be arranged on cross-arm taper and perpendicular to newly-built line direction, another is arranged on cross-arm
Middle part span line side and each parallel to newly-built line direction.
The middle level auxiliary cross-arm 4 is provided with three support insulators 6, one of pillar in each layer of both sides cross-arm
Insulator 6 is arranged on cross-arm taper and perpendicular to newly-built line direction, and one is arranged on cross-arm taper positioned at span line side
And parallel to newly-built line direction, another is arranged on cross-arm middle part span line side and parallel to newly-built line direction.
The lower layer conductor cross-arm 5 is provided with the jumper string 7 with support tube in lower two layers of both sides cross-arm, in highest one
Three support insulators 6 are provided with the cross-arm of layer both sides, wherein there is one to be arranged on cross-arm taper and perpendicular to newly-built circuit
Direction, one is arranged on cross-arm taper positioned at span line side and parallel to newly-built line direction, and another is arranged on cross-arm
One layer of both sides cross-arm is provided with two in the middle of middle part span line side and parallel to newly-built line direction, lower layer conductor cross-arm 6
Individual support insulator 6, wherein thering is one to be arranged on cross-arm taper positioned at span line side and parallel to newly-built line direction, separately
One is arranged on cross-arm middle part span line side and parallel to newly-built line direction, and the lower bottom both sides of layer conductor cross-arm 6 are horizontal
Load is provided with a support insulator 6, and support insulator 6 is arranged on cross-arm middle part span line side and parallel to newly-built line
Road direction.
Described powered spacing of support insulator 6, powered point and wire, ground wire spacing, the spacing of powered point and tower body should
Meet electric requirement.
Leap side ground wire is hung on top layer ground wire cross-arm 2, and the more side ground wire that bores is suspended on middle level auxiliary cross-arm 4
Place, according to lightning protection, the requirement of ground wire spacing, determines the radical and hanging position of ground wire.
Reference picture 2, exhales high shaft tower, across side boring newly-built one basic invention double loop change more between circuit and span line
Wire is suspended at topping wire cross-arm 3, is suspended on across side ground wire at top layer ground wire cross-arm 2, is bored more side wire and is suspended on down
At layer conductor cross-arm 5, bore get over side ground wire be suspended on middle level auxiliary cross-arm 4 at, across side on phase conductor utilize topping wire cross-arm
3rd, middle level auxiliary cross-arm 4, on lower layer conductor cross-arm 5 vertical newly-built line direction support insulator 6, be connected to brill and get over and mutually led on side
Line, phase conductor is using under one layer of jumper string 7 and topping wire cross-arm 3 with support tube in the middle of lower layer conductor cross-arm 5 across in side
Two layers of face, middle level auxiliary cross-arm 4, the lower cross-arm of layer conductor cross-arm 5 middle part support insulator 6, are connected to brill and get over phase conductor under side, cross over
Phase conductor utilizes lower 5 minimum one layers of jumper string 7 with support tube of layer conductor cross-arm and middle level auxiliary cross-arm 4, lower layer conductor under side
The cross-arm taper of cross-arm 5 is connected to brill and gets over phase conductor in side, shelves are crossed over after implementation parallel to the support insulator 6 of newly-built line direction
Wire, brill are got over shelves wire and arranged in drum type.
According to lightning protection, the requirement of ground wire spacing, when needing to retain ground wire, need to meet across side wire with by across
More line grounding wire, bore the spacing of more side ground wire and drilled more line conductor；When cancelling ground wire, it need to meet across side wire and quilt
Span line ground wire, the spacing for boring more side wire and drilled more line conductor.
Claims (1)
1. a kind of double loop, which becomes, exhales high shaft tower, it is characterised in that it is included under tower body, top layer ground wire cross-arm, top layer ground wire cross-arm
Side, which is provided with below topping wire cross-arm, topping wire cross-arm, is provided with middle level auxiliary cross-arm, is set below the auxiliary cross-arm of middle level
Lower layer conductor cross-arm, totally one layer of the top layer ground wire cross-arm arranges both sides cross-arm from tower body perpendicular to newly-built line direction, described
Three layers of topping wire cross-arm point, each layer arranges one layer of both sides cross-arm from tower body perpendicular to newly-built line direction, and the middle level is auxiliary
Cross-arm is helped to have multilayer, each layer arranges one layer of both sides cross-arm, the lower layer conductor cross-arm from tower body perpendicular to newly-built line direction
Totally three layers, each layer arranges one layer of both sides cross-arm from tower body perpendicular to newly-built line direction；
Topmost one layer of both sides cross-arm is provided with a support insulator to the topping wire cross-arm, and the support insulator is set
Put in cross-arm taper and on newly-built line direction, two layers below of every layer of both sides cross-arm to be provided with two pillars exhausted
Edge, wherein there is one to be arranged on cross-arm taper and perpendicular to newly-built line direction, another is arranged on leap in the middle part of cross-arm
Circuit side and each parallel to newly-built line direction；
The middle level auxiliary cross-arm is provided with three support insulators, one of support insulator in each layer of both sides cross-arm
Be arranged on cross-arm taper and perpendicular to newly-built line direction, one be arranged on cross-arm taper positioned at span line side and parallel to
Newly-built line direction, another is arranged on cross-arm middle part span line side and parallel to newly-built line direction；
Lower layer conductor cross-arm two layers of both sides cross-arm below is provided with the jumper string with support tube, in one layer two of highest
Three support insulators are provided with the cross-arm of side, wherein there is one to be arranged on cross-arm taper and perpendicular to newly-built line direction,
One is arranged on cross-arm taper positioned at span line side and parallel to newly-built line direction, another be arranged in the middle part of cross-arm across
To be provided with two pillars exhausted for one layer of both sides cross-arm in the middle of more circuit side and parallel to newly-built line direction, lower layer conductor cross-arm
Edge, wherein there is one to be arranged on cross-arm taper positioned at span line side and parallel to newly-built line direction, another setting
The span line side and parallel to newly-built line direction in the middle part of cross-arm, lower layer conductor cross-arm bottom both sides cross-arm is provided with
One support insulator, support insulator is arranged on cross-arm middle part span line side and parallel to newly-built line direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562175.6A CN105155903B (en) | 2015-09-07 | 2015-09-07 | A kind of double loop, which becomes, exhales high shaft tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562175.6A CN105155903B (en) | 2015-09-07 | 2015-09-07 | A kind of double loop, which becomes, exhales high shaft tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105155903A CN105155903A (en) | 2015-12-16 |
| CN105155903B true CN105155903B (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510562175.6A Active CN105155903B (en) | 2015-09-07 | 2015-09-07 | A kind of double loop, which becomes, exhales high shaft tower |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484554A (en) * | 2016-01-06 | 2016-04-13 | 国网浙江省电力公司湖州供电公司 | High-voltage staggered-layer penetrating and crossing tower |
| CN106567597A (en) * | 2016-09-26 | 2017-04-19 | 安徽华电工程咨询设计有限公司 | Novel double-loop variable-norminal-height tower |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006311774A (en) * | 2005-05-02 | 2006-11-09 | Chugoku Electric Power Co Inc:The | Cable-mounting arm |
| CN202416965U (en) * | 2011-12-27 | 2012-09-05 | 江苏省电力设计院 | Mixed voltage multiloop cross-shaped crossover tower |
| CN202810314U (en) * | 2012-09-11 | 2013-03-20 | 河北省电力勘测设计研究院 | 220kV T-shaped double-circuit drilling tower |
| CN103603536B (en) * | 2013-10-25 | 2016-02-10 | 国家电网公司 | Multiloop cross is handed over across steel pipe pole |
| CN203951136U (en) * | 2014-07-03 | 2014-11-19 | 福建永福工程顾问有限公司 | The switching Wiring device of overhead power transmission conducting wire and cable |
| CN204983860U (en) * | 2015-09-07 | 2016-01-20 | 安徽华电工程咨询设计有限公司 | Two return circuits become exhales high shaft tower |
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| CN105155903A (en) | 2015-12-16 |
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