CN205046908U - Two return circuits of compact become exhales high shaft tower - Google Patents
Two return circuits of compact become exhales high shaft tower Download PDFInfo
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- CN205046908U CN205046908U CN201520685754.5U CN201520685754U CN205046908U CN 205046908 U CN205046908 U CN 205046908U CN 201520685754 U CN201520685754 U CN 201520685754U CN 205046908 U CN205046908 U CN 205046908U
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Abstract
The utility model provides a two return circuits of compact become exhales high shaft tower. It includes body of the tower, top layer ground wire cross arm, top layer ground wire cross arm is the one deck altogether, arranges the both sides cross arm from the newly -built circuit direction of body of the tower perpendicular to, upper strata wire cross arm divides the three -layer, and the both sides cross arm is arranged from the newly -built circuit direction of body of the tower perpendicular to in each layer, multilayer both sides cross arm is arranged from the newly -built circuit direction of body of the tower perpendicular to to the supplementary cross arm in middle level, lower floor's ground wire cross arm is the one deck altogether, arranges the both sides cross arm from the newly -built circuit direction of body of the tower perpendicular to, lower floor's wire cross arm is two -layer altogether, and the both sides cross arm is arranged from the newly -built circuit direction of body of the tower perpendicular to in each layer. The utility model discloses the circuit of this shaft tower is crossed over the side wire and is the drum type and arranges, and is the same with conventional line arrangement mode, has avoided the influence of arranging adjacent tower wire, bores the wire that inclines more and adopts compact trefoil formation mode, compressed lead, wire pair ground height, further optimized brill vietnamese side case, the possibility that reduced old circuit transformation, put cable underground, single two return circuits varies.
Description
technical field:
The utility model relates to ultra-high-tension power transmission line technical field, particularly relates to the change of a kind of compact double circuit and exhales high shaft tower.
background technology:
Work transmission line construction is the important component part in power grid construction, the effect of transmission, distribution, pressure regulation is taken in power system, in view of the principle of selecting the best qualified of transmission line of electricity to transmission corridor is identical, for the consideration reducing costs, reduce occupation of land, the usual parallel cabling of transmission line of electricity.By the impact of newly-built transformer station drop point site, newly-built circuit often often intersects with built transmission line of electricity, according to regulatory requirements, the lower circuit of electric pressure should be crossed over and bore the circuit that more electric pressure is higher, therefore transmission line of electricity first occurs repeatedly across the situation of rear brill (or after subdrilling across).
In Practical Project, for transmission line of electricity first across the situation of rear brill (or after subdrilling across), affect by landform and site environment, only adopt a base shaft tower to be often difficult to direct realization, usually need to take following several means:
1) by boosted voltage grade higher line road or the lower circuit of reduction electric pressure, but cause line outage, increase line construction cost.
2) mode that employing overhead crossing, cable drill are got over, but cost of putting cable underground is higher, is not easy to patrol and examine after circuit builds up.
3) change double loop into single loop, newly-built two base single loop drillings more tower realize boring more, there is the problem that floor space is large, construction cost is high.
In sum, such scheme constructional difficulties and comprehensive cost is higher, is unfavorable for engineering construction.
summary of the invention:
The purpose of this utility model is to provide the change of a kind of compact double circuit and exhales high shaft tower, the line crossing side wire of this shaft tower is that drum type is arranged, identical with conventional line arrangement, avoid the impact on adjacent tower wire arrangements, bore more side wire and adopt compact rounded projections arranged mode, have compressed lead, ground wire to ground level, optimize further and bore Vietnamese side case, reduce old track remodelling, put cable underground, the possibility of single double loop conversion.
In order to solve Problems existing in background technology, the utility model is by the following technical solutions: it comprises tower body, top layer ground wire cross-arm, topping wire cross-arm is provided with below top layer ground wire cross-arm, be provided with middle level below topping wire cross-arm and assist cross-arm, middle level is assisted below cross-arm and is arranged lower floor's ground wire cross-arm, below lower floor's ground wire cross-arm, lower layer conductor cross-arm is set, described top layer ground wire cross-arm is one deck altogether, both sides cross-arm is arranged perpendicular to newly-built line direction from tower body, described topping wire cross-arm divides three layers, every one deck arranges both sides cross-arm from tower body perpendicular to newly-built line direction, cross-arm is assisted from tower body perpendicular to newly-built line direction arranging multiplayer both sides cross-arm in described middle level, described lower floor ground wire cross-arm is one deck altogether, both sides cross-arm is arranged perpendicular to newly-built line direction from tower body, described lower layer conductor cross-arm is two-layer altogether, every one deck arranges both sides cross-arm from tower body perpendicular to newly-built line direction,
Described topping wire cross-arm higher one deck both sides cross-arm is provided with the jumper string of band stay pipe, and every layer of two-layer below both sides cross-arm taper is provided with two support insulators, one of them support insulator is perpendicular to newly-built line direction, and another is parallel to newly-built line direction and is positioned to bore gets over circuit side;
Described middle level assists cross-arm to be provided with three support insulators at every one deck both sides cross-arm taper, one of them support insulator is perpendicular to newly-built line direction, one is parallel to newly-built line direction and is positioned at brill more circuit side, and another is parallel to newly-built line direction and is positioned at span line side;
Described lower floor ground wire cross-arm is provided with three support insulators on the cross-arm of every one deck both sides, wherein has one to be arranged on cross-arm taper and is parallel to newly-built line direction, and two other is separately positioned on both sides in the middle part of cross-arm and is all parallel to newly-built line direction;
Described lower layer conductor cross-arm is provided with two support insulators on the cross-arm of every one deck both sides, wherein there is one to be arranged on cross-arm taper and be parallel to newly-built line direction, another one is arranged on span line side in the middle part of cross-arm and is parallel to newly-built line direction, is respectively provided with the jumper string of a band stay pipe at the taper of lower one deck both sides cross-arm and middle part respectively.
The utility model achieves double loop change by a base shaft tower and exhales high boring to cross over, reduce first transform across cross link in rear brill (or after subdrilling across) engineering, put cable underground, probability that single double loop converts, avoid the power failure of cross link, add electric network reliability, reduce construction cost, have compressed the newly-built circuit lead wire and earth wire distance to the ground boring more shelves simultaneously further.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is wiring schematic diagram of the present utility model.
detailed description of the invention:
With reference to Fig. 1-2, it comprises tower body 1, top layer ground wire cross-arm 2, topping wire cross-arm 3 is provided with below top layer ground wire cross-arm 2, be provided with middle level below topping wire cross-arm 3 and assist cross-arm 4, middle level is assisted below cross-arm 4 and is arranged lower floor's ground wire cross-arm 5, below lower floor's ground wire cross-arm 5, lower layer conductor cross-arm 6 is set, described top layer ground wire cross-arm 2 is one deck altogether, both sides cross-arm is arranged perpendicular to newly-built line direction from tower body 1, described topping wire cross-arm 3 points three layers, every one deck arranges both sides cross-arm from tower body 1 perpendicular to newly-built line direction, cross-arm 4 is assisted from tower body perpendicular to newly-built line direction arranging multiplayer both sides cross-arm in described middle level, described lower floor ground wire cross-arm 5 is one deck altogether, both sides cross-arm is arranged perpendicular to newly-built line direction from tower body 1, described lower layer conductor cross-arm 6 is two-layer altogether, every one deck arranges both sides cross-arm from tower body 1 perpendicular to newly-built line direction.The described length of top layer ground wire cross-arm 2 and the spacing with wire cross-arm, lightning protection need be met, the requirement of lead wire and earth wire spacing, described topping wire cross-arm 3, cross-arm 4 is assisted in middle level, lower floor's ground wire cross-arm 5, length and the interlamellar spacing of lower layer conductor cross-arm 6 need meet electric requirement, length and the spacing of described upper strata leap cross-arm 3 also need with reference to crossing over side line line conductor arrangement form, described middle level assists the number of plies of cross-arm 4 to be determined by the discrepancy in elevation of boring more between point and crossover point, the discrepancy in elevation more upper mesophere assists the number of plies of cross-arm 4 more, described lower floor ground wire cross-arm 5 length and lead wire and earth wire spacing need be met with the spacing of wire cross-arm, the requirement of lightning protection.
Described topping wire cross-arm 3 higher one deck both sides cross-arm is provided with the jumper string 7 of band stay pipe, and every layer of two-layer below both sides cross-arm taper is provided with two support insulators 8, one of them support insulator 8 is perpendicular to newly-built line direction, and another is parallel to newly-built line direction and is positioned to bore gets over circuit side.
Described middle level assists cross-arm 4 to be provided with three support insulators 8 at every one deck both sides cross-arm taper, one of them support insulator 8 is perpendicular to newly-built line direction, one is parallel to newly-built line direction and is positioned at brill more circuit side, and another is parallel to newly-built line direction and is positioned at span line side.
Described lower floor ground wire cross-arm 5 is provided with three support insulators 8 on the cross-arm of every one deck both sides, wherein has one to be arranged on cross-arm taper and is parallel to newly-built line direction, and two other is separately positioned on both sides in the middle part of cross-arm and is all parallel to newly-built line direction.
Described lower layer conductor cross-arm 6 is provided with two support insulators 8 on the cross-arm of every one deck both sides, wherein there is one to be arranged on cross-arm taper and be parallel to newly-built line direction, another one is arranged on span line side in the middle part of cross-arm and is parallel to newly-built line direction, is respectively provided with the jumper string 7 of a band stay pipe at the taper of lower one deck both sides cross-arm and middle part respectively.
The charged dot spacing of described support insulator 8, charged point and wire, distance between centers of tracks, the spacing of charged point and tower body, should meet electric requirement.
Described leap side ground wire hangs on top layer ground wire cross-arm 2, and described brill is got over side ground wire and is suspended on lower floor's ground wire cross-arm 5, according to the requirement of lightning protection, lead wire and earth wire spacing, determines radical and the hanging position of ground wire.
With reference to Fig. 2, get over newly-built one basic invention compact double circuit change between circuit and span line at brill and exhale high shaft tower, cross over side wire and be suspended on topping wire cross-arm 3 place, cross over side ground wire and be suspended on top layer ground wire cross-arm 2 place, bore more side wire and be suspended on lower layer conductor cross-arm 6 place, bore more side ground wire and be suspended on ground wire cross-arm 5 place of lower floor, cross over phase conductor on side and utilize jumper string 7 and topping wire cross-arm 3 lower two layers of topping wire cross-arm 3 maximum layer band stay pipe, cross-arm 4 is assisted in middle level, lower floor's ground wire cross-arm 5 bores more circuit side support insulator 8, be connected to bore and get over phase conductor on side, crossing over phase conductor in side utilizes the middle one deck of topping wire cross-arm 3 perpendicular to the support insulator 8 of newly-built line direction and topping wire cross-arm 3 lower two layers, support insulator 8 and lower floor's ground wire cross-arm 5 of the vertical newly-built line direction of cross-arm 4 are assisted in middle level, lower layer conductor cross-arm 6 span line side support insulator 8, band stay pipe insulator string 7 on the lower one deck cross-arm of lower layer conductor cross-arm 6, be connected to bore and get over the lower phase conductor of side away from tower body, under crossing over side, phase conductor utilizes the minimum one deck of topping wire cross-arm 3, cross-arm 4 is assisted in middle level, lower floor's ground wire cross-arm 5, lower layer conductor cross-arm 6 span line side support insulator 8, band stay pipe insulator string 7 on the lower one deck cross-arm of lower layer conductor cross-arm 6, be connected to bore and get over the lower phase conductor of side near tower body, crossing over shelves wire after implementing is that drum type is arranged, boring more shelves wire is that triangular form is arranged.
According to the requirement of lightning protection, lead wire and earth wire spacing; when needs retain ground wire; the spacing of crossing over side wire and crossed line ground wire, boring more side ground wire and drilled more line conductor need be met; when cancelling ground wire; the spacing of crossing over side wire and crossed line ground wire, boring more side wire and drilled more line conductor need be met, cancellation lower floor ground wire cross-arm.
Claims (1)
1. high shaft tower is exhaled in a compact double circuit change, it is characterized in that, it comprises tower body, top layer ground wire cross-arm, topping wire cross-arm is provided with below top layer ground wire cross-arm, be provided with middle level below topping wire cross-arm and assist cross-arm, middle level is assisted below cross-arm and is arranged lower floor's ground wire cross-arm, below lower floor's ground wire cross-arm, lower layer conductor cross-arm is set, described top layer ground wire cross-arm is one deck altogether, both sides cross-arm is arranged perpendicular to newly-built line direction from tower body, described topping wire cross-arm divides three layers, every one deck arranges both sides cross-arm from tower body perpendicular to newly-built line direction, cross-arm is assisted from tower body perpendicular to newly-built line direction arranging multiplayer both sides cross-arm in described middle level, described lower floor ground wire cross-arm is one deck altogether, both sides cross-arm is arranged perpendicular to newly-built line direction from tower body, described lower layer conductor cross-arm is two-layer altogether, every one deck arranges both sides cross-arm from tower body perpendicular to newly-built line direction,
Described topping wire cross-arm higher one deck both sides cross-arm is provided with the jumper string of band stay pipe, and every layer of two-layer below both sides cross-arm taper is provided with two support insulators, one of them support insulator is perpendicular to newly-built line direction, and another is parallel to newly-built line direction and is positioned to bore gets over circuit side;
Described middle level assists cross-arm to be provided with three support insulators at every one deck both sides cross-arm taper, one of them support insulator is perpendicular to newly-built line direction, one is parallel to newly-built line direction and is positioned at brill more circuit side, and another is parallel to newly-built line direction and is positioned at span line side;
Described lower floor ground wire cross-arm is provided with three support insulators on the cross-arm of every one deck both sides, wherein has one to be arranged on cross-arm taper and is parallel to newly-built line direction, and two other is separately positioned on both sides in the middle part of cross-arm and is all parallel to newly-built line direction;
Described lower layer conductor cross-arm is provided with two support insulators on the cross-arm of every one deck both sides, wherein there is one to be arranged on cross-arm taper and be parallel to newly-built line direction, another one is arranged on span line side in the middle part of cross-arm and is parallel to newly-built line direction, is respectively provided with the jumper string of a band stay pipe at the taper of lower one deck both sides cross-arm and middle part respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685754.5U CN205046908U (en) | 2015-09-07 | 2015-09-07 | Two return circuits of compact become exhales high shaft tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685754.5U CN205046908U (en) | 2015-09-07 | 2015-09-07 | Two return circuits of compact become exhales high shaft tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205046908U true CN205046908U (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520685754.5U Withdrawn - After Issue CN205046908U (en) | 2015-09-07 | 2015-09-07 | Two return circuits of compact become exhales high shaft tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205046908U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155902A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Compact type pole tower with variable nominal height |
| CN111173346A (en) * | 2019-12-28 | 2020-05-19 | 国网安徽省电力有限公司经济技术研究院 | Single-loop drill span steel pipe rod |
-
2015
- 2015-09-07 CN CN201520685754.5U patent/CN205046908U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155902A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Compact type pole tower with variable nominal height |
| CN111173346A (en) * | 2019-12-28 | 2020-05-19 | 国网安徽省电力有限公司经济技术研究院 | Single-loop drill span steel pipe rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160224 Effective date of abandoning: 20171124 |
|
| AV01 | Patent right actively abandoned |