CN110017051A - A kind of novel T of double-circuit line connects tower - Google Patents
A kind of novel T of double-circuit line connects tower Download PDFInfo
- Publication number
- CN110017051A CN110017051A CN201910421250.5A CN201910421250A CN110017051A CN 110017051 A CN110017051 A CN 110017051A CN 201910421250 A CN201910421250 A CN 201910421250A CN 110017051 A CN110017051 A CN 110017051A
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- CN
- China
- Prior art keywords
- arm
- cross
- connects
- tower
- double
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
Abstract
The invention discloses a kind of novel T of double-circuit line to connect tower, including former line steel tower, the distance between the cross-arm of the original line steel tower increases setting, the T that in-between position is provided perpendicular to main line cross-arm direction connects cross-arm, a Ji ShuanhuiluTJie Ta is newly found under the original route, former line conductor is hung to main line cross-arm, the conductor leading of the original route connects cross-arm and connect cross-arm by T to T directly to be connect with double loop, the ground wire cross-arm of the original line steel tower is T-type structure, the novel T of this double-circuit line connects tower, have the benefit that and reduce construction work amount: it uses double-loop T connection tower wiring, double-circuit line T can be completed under original line route to connect, T contact need to only assemble 1 Ji Ta, really realize that " point " T of double-circuit line connects, scheme is connect with previous T to compare, it is clear that the T connects form wiring, it is easy, column foot number Amount is reduced to 1 base, and project amount is greatly decreased, and the duration shortens.
Description
Technical field
The present invention relates to T to connect tower technology field, and specially a kind of novel T of double-circuit line connects tower.
Background technique
Multiple-circuit on same tower T connects, and the especially equidirectional double T of multiple-circuit on same tower connect, and it is always tired that the mode of connection is complicated
A problem of route design is disturbed, when T connects outward, double T connect multiple-circuit on same tower in the same direction for the double loop being especially arranged vertically,
T will face side T link and bore, across by T link mode when connecing, traditional T connects mode in selection anchor support as T contact
Afterwards, it is bored more using 3-4 base steel tower and steel pole by T link, is merged into double back with other side T link again later, realize double back
Double T connect in the same direction on road, and it is more that traditional T connects mode shaft tower usage quantity, and the mode of connection is complicated, are restricted location in landform and realize T
It connects more difficult, virtually increases project cost, cause unnecessary waste, since shaft tower quantity is more, increase near T contact
Shaft tower land occupation, land occupation co-ordination is more difficult, and exterior angle side T link uses low drill steel bar, and conductor spacing ground is closer,
It is easy to happen external force touching conductive wire scenario, and leads to power grid accident.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of novel T of double-circuit line and connects tower, reduces
Construction work amount saves tower material, reduces land occupation, and reinforced earth wire support, using modular construction, production and processing is convenient, can be with
Effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of novel T of double-circuit line connects tower, including former line
The distance between the cross-arm of road steel tower, the original line steel tower increases setting, and in-between position is provided perpendicular to main line cross-arm
The T in direction connects cross-arm, newly founds a Ji ShuanhuiluTJie Ta under the original route, former line conductor is hung to main line cross-arm, the original
The conductor leading of route connects cross-arm and connects cross-arm by T and directly connect with double loop to T.
As a preferred technical solution of the present invention, the T connects cross-arm and main line cross-arm in cross staggered pattern
Distribution.
As a preferred technical solution of the present invention, electric clearance required distance is able to satisfy between each layer cross-arm.
As a preferred technical solution of the present invention, which meets the common material Q420 high that tower uses iron tower of power transmission line
Qiang Gang.
As a preferred technical solution of the present invention, the cross-arm of the original line steel tower connects cross-arm with T and is staggered.
As a preferred technical solution of the present invention, the ground wire cross-arm of the original line steel tower is T-type structure.
As a preferred technical solution of the present invention, insulator chain is equipped on each layer cross-arm.
As a preferred technical solution of the present invention, water-repellent layer is equipped on the surface on each layer cross-arm.
As a preferred technical solution of the present invention, it is tubular structure that the T, which connects cross-arm, and the inside that T connects cross-arm is equipped with
Resistance wire, the outside that the T connects cross-arm, which is equipped with, provides the sun-generated electric power of electric energy for resistance wire, sun-generated electric power by conducting wire and
Resistance wire is electrically connected.
Compared with prior art, it the beneficial effects of the present invention are: the novel T of this double-circuit line connects tower, has the benefit that
1, reduce construction work amount: it uses double-loop T connection tower wiring, can complete double-circuit line under original line route
T connects, and T contact need to only assemble 1 Ji Ta, really realizes that " point " T of double-circuit line connects, and connects scheme with previous T and compares, which connects form
Wiring is clear, easy, and column foot reduced number is 1 base, and project amount is greatly decreased, and the duration shortens.
2, tower material is saved, reduce land occupation: general T connects mode, and line construction is cumbersome, needs to create near by T link
More base shaft towers not only increase construction, operation and maintenance amount, but also take up an area more and intensive, use instead after novel T connects tower, one
Base T, which connects tower double back T can be completed, to be connect, and column foot land occupation has been saved while reducing construction workload, is reduced to environment near T contact
Influence, improve steel tower soil space utilization rate.
3, reinforced earth wire support: the T connects tower earth wire support using T font, is connect using this pattern main line direction, T
Line direction can hang ground wire, substantially increase ground wire to the protective capability of main line and T wiring line conductor.
4, modular construction: the tower is designed based on Guo Wang company modular design tower, modular design tower
Size has more engineering experience, and pyramidal structure pattern is simple, securely and reliably, not only reduces the calculation amount in design process, and
And process when simplifying steel tower production and processing, while improving site operation person works' efficiency.
5, production and processing is convenient: the steel tower uses iron tower of power transmission line common material Q420 high-strength steel, can effectively save
About tower material, and raw material are extensive, convenient for buying, steel tower production and processing is convenient and simple.
Detailed description of the invention
Fig. 1 is that double loop of the present invention T in the same direction connects schematic diagram;
Fig. 2 is that original double loop T in the same direction connects schematic diagram.
In figure: 1 former line steel tower, 2 former routes, 3 double-loop T connection towers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of novel T of double-circuit line connects tower, including former route iron
Tower 1, the distance between the cross-arm of former line steel tower 1 increase setting, and in-between position is provided perpendicular to the T in main line cross-arm direction
Cross-arm is connect, newly founds a base double-loop T connection tower 3 under former route, former 2 conducting wire of route is hung to main line cross-arm, and the conducting wire of former route 2 draws
Line connects cross-arm and connects cross-arm by T and directly connect with double loop to T.
T connects cross-arm and main line cross-arm and is distributed in cross staggered pattern.
Electric clearance required distance is able to satisfy between each layer cross-arm.
The T connects the common material Q420 high-strength steel that tower uses iron tower of power transmission line.
The cross-arm of former line steel tower 1 connects cross-arm with T and is staggered.
The ground wire cross-arm of former line steel tower 1 is T-type structure.
Insulator chain is equipped on each layer cross-arm.
It it is equipped with water-repellent layer on surface on each layer cross-arm, avoids moisture attack that cross-arm is caused to corrode, ensure that and use
Safety.
It is tubular structure that T, which connects cross-arm, and the inside that T connects cross-arm is equipped with resistance wire, and the outside that T connects cross-arm is equipped with to be mentioned for resistance wire
For the sun-generated electric power of electric energy, sun-generated electric power is electrically connected by conducting wire and resistance wire, avoids T from connecing product on cross-arm by heating
Snow, is adapted to cold district, environmentally protective using sun-generated electric power as power supply unit.
The novel T of double-circuit line connects the application effect of tower: double-circuit line T connects tower and is suitable for various 110,000 for creating or being transformed
Volt and 35 kilovolts of overhead transmission lines, it is practical, versatility is wide, it has not only saved land occupation but also has reduced investment outlay, while having simplified engineering construction
In workload, one 110 kilovolts double T links connect mode in pole and tower foundation material than former T using double-loop T connection tower mode
Data target is compared to reducing about 60% in terms of amount, occupied area, and 800,000 yuan of investment reduction, economic benefit and social benefit are all
Considerable.
It 2011, cuts and changes in engineering in 220 kilovolts of well mine 110 KV line of station, the double T Jia Zhuan double-circuit lines in the station Jing Kuang, line
Road T contact is placed exactly in the station Jing Kuang east side, and construction area work is coordinated very since distance Xi Wangshe is closer in the village Xi Wangshe west side
Difficulty, it is very big that steel tower takes up an area resistance.
This engineering is at the beginning of design in view of coordinating land occupation operational difficulties, designing and carrying out double loop using the tower
T connects, and connects project plan comparison with former T, advantage is as follows:
1) land occupation is saved, reduce clear compensation amount: route T contact steel tower quantity is reduced to 1 base by 5 bases, and column foot land occupation saves 200
Square metre, the expenses such as young crops reparation, land occupation compensation are accordingly reduced.
2) reduce shaft tower quantity, reduce ontology investment: T contact shaft tower quantity is greatly reduced, steel tower steel material, basic steel
Material amount of concrete is reduced simultaneously, and foundation excavation high-volume invest by scaled-back, the ontology that T contact route is greatly decreased.
3) reduce construction work amount and construction period: after steel tower and basic quantity are reduced, excavation of foundation pit, basis poured, iron
The work progress such as tower assembling are accordingly reduced, and the construction machineries reduction such as artificial, crane, excavator, the duration shortens simultaneously.
4) be conducive to line security: cancelling low drill steel bar, conducting wire distance to the ground significantly improves, and can effectively reduce accident
Rate increases line security.
It needs according to common double-loop T connection mode using three base double-loop terminal towers, the low brill strain insulator steel pole of two bases, shaft tower is total
50 tons are weighed about, and double T can be realized using one base of double-loop T connection tower and connect mode, about 20 tons of steel tower weight, tower body can save material
30 tons, furthermore become base basis from four base bases of common solution, only engineering ontology investment can reduce about 400,000 yuan, and double T connect
Tower not only reduces ontology cost, since column foot quantity is reduced, construction area co-ordination, the corresponding reduction of young crops reparation, and T contact
Gross investment can reduce about 800,000 yuan, that is, saved co-ordination time early period, and reduce construction period, reduced investment.
New and old T connects mode major parameter contrast table
Novel line T connects scheme and mainly passes through the novel tower structure of design, realizes that double back is aerial on a base anchor support
The T of route connects, on shaft tower, main line cross-arm with T link cross-arm is in 90 ° is staggered, only need to be by main line line conductor when T connects
It leads to T and connects cross-arm, so that original more base strain rod towers are compressed to a base strain rod tower, not only save land occupation but also save and throw
Money, and work progress is simplified, while reducing the workload of land occupation co-ordination.
Since double-loop T connection tower mode does not use low drill steel bar, conducting wire distance to the ground is significantly improved, and can effectively reduce accident
Incidence increases line security.
Double-circuit line T direct type formula generallys use in the electric system of 110 kilovolts and following voltage class, application rate
Height, according to statistics, in the electric system of 110 kilovolts of Shijiazhuang District, about 15% route is double back T link.
Double-circuit line T connects tower and is suitable for various newly-built or transformation 110 kilovolts and 35 kilovolts of overhead transmission lines, which is applicable in
Conducting wire, ground wire model can include in 110 kilovolts and 35 kilovolts electric system of Southern Hebei Network commonly use grounded-line model, the tower
It is practical, versatility is wide, reduces investment, is conducive to the concept for practicing Guo Wang company " environmental-friendly, resource-effective ", form three
It has gained situation, has been highly suitable for promoting in state's net Corporation system.
When in use: double back T connects tower and is transformed on Guo Wang company modular design iron tower foundation, and former tower main line is horizontal
Distance is increased between load, and position setting perpendicular to the T in main line cross-arm direction connects cross-arm therebetween, and T is consequently formed and connects cross-arm
It is in cross staggered pattern with main line cross-arm, and guarantees to be able to satisfy electric clearance required distance between each layer cross-arm, in double back
When route road T in the same direction connects, a Ji ShuanhuiluTJie Ta can be newly found under former route, former line conductor is hung to main line cross-arm, then will be former
Line conductor lead connects cross-arm to T, then connects cross-arm by T and directly connect with double loop, and completion double circuit line T in the same direction connects and needs
It asks, requires ground wire cross-arm to use T shape mode at wire-protecting angle for convenience of T link ground wire.
The present invention can reduce construction work amount, save tower material, reduce land occupation, reinforced earth wire support, using modularization
Structure, production and processing are convenient.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of novel T of double-circuit line connects tower, including former line steel tower (1), it is characterised in that: the original line steel tower (1)
The distance between cross-arm increases setting, and the T that in-between position is provided perpendicular to main line cross-arm direction connects cross-arm, the original route
(2) Ji ShuanhuiluTJie Ta (3) newly are stood under, former route (2) conducting wire is hung to main line cross-arm, and the conducting wire of the original route (2) draws
Line connects cross-arm and connects cross-arm by T and directly connect with double loop to T.
2. the novel T of a kind of double-circuit line according to claim 1 connects tower, it is characterised in that: the T connects cross-arm and main line is horizontal
Load is distributed in cross staggered pattern.
3. the novel T of a kind of double-circuit line according to claim 1 connects tower, it is characterised in that: be able to satisfy between each layer cross-arm
Electric clearance required distance.
4. the novel T of a kind of double-circuit line according to claim 1 connects tower, it is characterised in that: the T connects tower using transmission line of electricity
The common material Q420 high-strength steel of steel tower.
5. the novel T of a kind of double-circuit line according to claim 1 connects tower, it is characterised in that: the original line steel tower (1)
Cross-arm connects cross-arm with T and is staggered.
6. the novel T of a kind of double-circuit line according to claim 1 connects tower, it is characterised in that: the original line steel tower (1)
Ground wire cross-arm is T-type structure.
7. the novel T of a kind of double-circuit line according to claim 1 connects tower, it is characterised in that: be equipped on each layer cross-arm absolutely
Edge substring.
8. the novel T of a kind of double-circuit line according to claim 1 connects tower, it is characterised in that: on the surface on each layer cross-arm
It is equipped with water-repellent layer.
9. the novel T of a kind of double-circuit line according to claim 1 connects tower, it is characterised in that: it is tubulose knot that the T, which connects cross-arm,
Structure, the inside that T connects cross-arm are equipped with resistance wire, and the outside that the T connects cross-arm, which is equipped with, provides the sun-generated electric power of electric energy for resistance wire,
Sun-generated electric power is electrically connected by conducting wire and resistance wire.
Priority Applications (1)
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CN201910421250.5A CN110017051A (en) | 2019-05-21 | 2019-05-21 | A kind of novel T of double-circuit line connects tower |
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CN201910421250.5A CN110017051A (en) | 2019-05-21 | 2019-05-21 | A kind of novel T of double-circuit line connects tower |
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CN201910421250.5A Pending CN110017051A (en) | 2019-05-21 | 2019-05-21 | A kind of novel T of double-circuit line connects tower |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112160642A (en) * | 2020-09-23 | 2021-01-01 | 国网河北省电力有限公司邯郸供电分公司 | Double-return pi-shaped connecting tower |
Citations (5)
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CN103046790A (en) * | 2012-11-29 | 2013-04-17 | 安徽华电工程咨询设计有限公司 | Novel single circuit T-connecting transmission tower |
CN203729648U (en) * | 2014-01-26 | 2014-07-23 | 盘锦电力设计研究所 | 66-kV four-loop and double-T-connection branch tower |
CN206397249U (en) * | 2017-01-11 | 2017-08-11 | 河北鲲能电力工程咨询有限公司 | A kind of novel double-loop T connects tower |
CN207939173U (en) * | 2018-04-02 | 2018-10-02 | 长沙有色冶金设计研究院有限公司 | A kind of " T " binding structure suitable for plateau type 35kV double back overhead transmission lines |
CN210032836U (en) * | 2019-05-21 | 2020-02-07 | 石家庄电业设计研究院有限公司 | Novel T of two circuit connects tower |
-
2019
- 2019-05-21 CN CN201910421250.5A patent/CN110017051A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103046790A (en) * | 2012-11-29 | 2013-04-17 | 安徽华电工程咨询设计有限公司 | Novel single circuit T-connecting transmission tower |
CN203729648U (en) * | 2014-01-26 | 2014-07-23 | 盘锦电力设计研究所 | 66-kV four-loop and double-T-connection branch tower |
CN206397249U (en) * | 2017-01-11 | 2017-08-11 | 河北鲲能电力工程咨询有限公司 | A kind of novel double-loop T connects tower |
CN207939173U (en) * | 2018-04-02 | 2018-10-02 | 长沙有色冶金设计研究院有限公司 | A kind of " T " binding structure suitable for plateau type 35kV double back overhead transmission lines |
CN210032836U (en) * | 2019-05-21 | 2020-02-07 | 石家庄电业设计研究院有限公司 | Novel T of two circuit connects tower |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112160642A (en) * | 2020-09-23 | 2021-01-01 | 国网河北省电力有限公司邯郸供电分公司 | Double-return pi-shaped connecting tower |
CN112160642B (en) * | 2020-09-23 | 2021-09-07 | 国网河北省电力有限公司邯郸供电分公司 | Double-return pi-shaped connecting tower |
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