CN203684771U - Double-circuit transmission line T-type single-side pi junction tower - Google Patents
Double-circuit transmission line T-type single-side pi junction tower Download PDFInfo
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- CN203684771U CN203684771U CN201420022998.0U CN201420022998U CN203684771U CN 203684771 U CN203684771 U CN 203684771U CN 201420022998 U CN201420022998 U CN 201420022998U CN 203684771 U CN203684771 U CN 203684771U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
- 239000004020 conductor Substances 0.000 claims description 115
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a double-circuit transmission line T-type single-side pi junction tower which comprises a public tower body (1). The tower is characterized in that the straight circuit side of the public tower body (1) is sequentially provided with a straight side ground wire cross arm (2), a straight side upper-phase wire cross arm (3), a straight side middle-phase wire cross arm (4) and a straight side lower-phase wire cross arm (5) from top to bottom, and the pi junction circuit side of the public tower body (1) is sequentially provided with a pi junction side ground wire cross arm (6), a pi junction side upper-phase wire cross arm (7), a pi junction side middle-phase wire cross arm (8) and a pi junction side lower-phase wire cross arm (9) from top to bottom. Single-side pi junction of a double-circuit transmission line is achieved on a base tower, the areas occupied by line channels and towers are reduced, project investment is saved, and the tower is simple in pi junction mode and easy to achieve.
Description
Technical field
The utility model relates to a kind of strain resistant steel tower connecing for transmission line of electricity π, and specifically the T-shaped one-sided π of a kind of double back transmission line connects tower.
Background technology
Along with the high speed development of China's transmission line construction, line density constantly increases, and Electric Power Network Planning is also more complicated.Cities and towns enterprise and small towns construction developing rapidly in recent years, also constantly increases the requirement of power supply, also just needs a large amount of circuit π to connect engineering simultaneously and supports to coordinate transmission of electricity to require and electrical network layout.Only need π to connect this type systematic demand one time for double-circuit line, domesticly generally transform the steel tower of former circuit π contact both sides as two base anchor supports, simultaneously connect the newly-built base anchor support of side at π, and the place that utilizes above-mentioned 3 newly-built base steel towers to surround triangular shape could meet one-sided π and connects requirement.The method can cause that workload is large, cost is high, large to ambient influnence.In order to reduce engineering quantity, construction costs and circuit floor space, connect scheme therefore be necessary to optimize π.
Utility model content
For solving the problem that permanent occupation of land is many, workload is large, construction costs is high facing in the one-sided π link of current double back transmission line engineering, the purpose of this utility model is to provide a kind of steel tower connecing for the one-sided π of double back transmission line, handsome in appearance, easy to use and flexible, can effectively reduce construction investment, line channel and steel tower and take up an area, little to ambient influnence.
The utility model solves the technical scheme that its technical problem adopts:
The T-shaped one-sided π of double back transmission line connects tower, comprise public tower body, it is characterized in that, in the straight circuit of described public tower body side, phase conductor cross-arm under phase conductor cross-arm and straight-through side is installed in straight-through side ground wire cross-arm, straight-through side in phase conductor cross-arm, straight-through side from top to bottom successively, the π of public tower body take back trackside install successively from top to bottom π connect side ground wire cross-arm, π connect in side phase conductor cross-arm, π connect side in phase conductor cross-arm and π connect phase conductor cross-arm under side.
In straight-through side ground wire cross-arm, straight-through side, in phase conductor cross-arm, straight-through side, under phase conductor cross-arm and straight-through side, phase conductor cross-arm is sharp cross-arm structure, and π connects side ground wire cross-arm, π and meets in side phase conductor cross-arm, π and connect in side phase conductor cross-arm and π to connect phase conductor cross-arm under side be T-shaped structure.
Described straight circuit ground wire, upper phase conductor, middle phase conductor, lower phase conductor are successively set in straight-through side ground wire cross-arm, straight-through side in phase conductor cross-arm, straight-through side the both sides of phase conductor cross-arm under phase conductor cross-arm and straight-through side by straight-through side strain insulator-string, connect described both sides wire form straight circuit by wire jumper.
Described π takes back road ground wire, upper phase conductor, middle phase conductor, lower phase conductor takes back trackside strain insulator-string by π and is connected to π and connects side ground wire cross-arm, π connects phase conductor cross-arm 7 in side, π connects phase conductor cross-arm and π in side and connects phase conductor cross-arm two ends under side, π takes back road ground wire, upper phase conductor, middle phase conductor, lower phase conductor connects side ground wire cross-arm from π, π connects phase conductor cross-arm in side, after π connects in side phase conductor cross-arm and π and connects under side phase conductor cross-arm side is quoted and respectively, meet side wire jumper connection π by π and connect side ground wire cross-arm, π connects phase conductor cross-arm in side, π connects two ends that phase conductor cross-arm and π in side connect phase conductor cross-arm under side to be become π and takes back road.
The beneficial effects of the utility model are:
1, the utility model π takes back that lead on road, ground wire cross-arm adopts T-shaped structure, the mode of cut-offfing of need transformation or newly-built three base anchor supports, is reduced to the T-shaped one-sided π of a newly-built base double back transmission line and connects tower, saves construction investment and steel tower and takes up an area;
2, the utility model is strain resistant steel tower, it is-10 ~ 10 degree that straight circuit allows angle range, after π connects, allow angle range to be-30-30 degree, the interior outside π that can realize in straight line shelves and angle tower position connects, and meets the needs that the one-sided π of most double-circuit lines connects;
3, the utility model π takes back the reserved double jump string hanging hole of the T-shaped cross-arm of line conductor, and the wire of connecting T-shaped cross-arm both sides with wire jumper can be used as common anchor support use, can realize easily circuit distant view π and connect the straight-through recovery of reserving after connecing with π.
Accompanying drawing explanation
Fig. 1 is that π connects tower front view
Fig. 2 is that π connects tower lateral view
Fig. 3 is that π connects tower top view
Fig. 4 is that π connects pylon line 3-D view
Fig. 5 is that π connects the 3-D view of tower as straight-through anchor support stringing
In figure, the public tower body of 1-, 2-leads directly to side ground wire cross-arm, phase conductor cross-arm in the straight-through side of 3-, phase conductor cross-arm in the straight-through side of 4-, phase conductor cross-arm under the straight-through side of 5-, 6-π connects the T-shaped cross-arm of side ground wire, 7-π connects the T-shaped cross-arm of phase conductor in side, and 8-π connects the T-shaped cross-arm of phase conductor in side, and 9-π connects the T-shaped cross-arm of phase conductor under side.
The specific embodiment
For technological means creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
For technological means creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
Referring to Fig. 1 and Fig. 2, the utility model provides the strain insulator steel tower that is built in π contact while connecing for the one-sided π in double loop, and the T-shaped one-sided π of double back transmission line connects tower, the one-sided double loop rear formation double loop of cut-offfing can be connect to direction to π.Comprise that π connects public tower body 1, in the straight circuit of public tower body 1 side, phase conductor cross-arm 5 under phase conductor cross-arm 4 and straight-through side is installed in straight-through side ground wire cross-arm 2, straight-through side in phase conductor cross-arm 3, straight-through side from top to bottom successively, the π of public tower body 1 take back trackside install successively from top to bottom π connect side ground wire cross-arm 6, π connect in side phase conductor cross-arm 7, π connect side in phase conductor cross-arm 8 and π connect phase conductor cross-arm 9 under side.
As shown in Figure 3 and Figure 4, in straight-through side ground wire cross-arm 2, straight-through side, in phase conductor cross-arm 3, straight-through side, under phase conductor cross-arm 4 and straight-through side, phase conductor cross-arm 5 be sharp cross-arm structure, and π connects side ground wire cross-arm 6, π and meets in side phase conductor cross-arm 7, π and connect in side phase conductor cross-arm 8 and π to connect phase conductor cross-arm 9 under side be T-shaped structure.
As shown in Figure 5, wire, ground wire connection tower formula are strain resistant, straight circuit ground wire, upper phase conductor, middle phase conductor, lower phase conductor are successively set in straight-through side ground wire cross-arm 2, straight-through side in phase conductor cross-arm 3, straight-through side the both sides of phase conductor cross-arm 5 under phase conductor cross-arm 4 and straight-through side by straight-through side strain insulator-string, connect described both sides wire form straight circuit by straight-through side wire jumper.
Described π takes back road ground wire, upper phase conductor, middle phase conductor, lower phase conductor and takes back trackside strain insulator-string by π and be connected to π and connect side ground wire cross-arm 6, π and meet in side phase conductor cross-arm 7, π and connect phase conductor cross-arm 8 and π in side and connect phase conductor cross-arm 9 two ends under side.
π take back road ground wire, upper phase conductor, middle phase conductor, lower phase conductor from π connect side ground wire cross-arm 6, π connect side phase conductor cross-arm 7, π connect in side phase conductor cross-arm 8 and π connect under side phase conductor cross-arm 9 respectively side after turning, draw, connect side wire jumper by π and connect π and connect side ground wire cross-arm 6, π and meet phase conductor cross-arm 7, π in side and connect two ends that phase conductor cross-arm 8 and π in side connect phase conductor cross-arm 9 under side and become π and take back road; π take back road ground wire, upper phase conductor, middle phase conductor, lower phase conductor π connect side ground wire cross-arm 6, π connect in side phase conductor cross-arm 7, π connect side in phase conductor cross-arm 8 and π connect under side after the T-shaped structure cross-arm of phase conductor cross-arm 9 cut-offs, from T-shaped structure cross-arm termination, side turns respectively, forms double back π link.
π connects tower and allows angle range for-10 ~ 10 degree in straight circuit direction, takes back road direction allow angle range to be-30-30 degree at π, can meet the needs that most one-sided π connect.π connects tower and also can make in the recent period common anchor support and use, and π meets in side phase conductor cross-arm 7, π and connects phase conductor cross-arm 8 in side and can directly be connected by wire jumper with the wire that π connects phase conductor cross-arm 9 both sides under side.When one-sided circuit at a specified future date needs π to connect, only need a wire jumper reconfiguration to connect on side line road to π, complete circuit π termination process.The circuit method of operation is flexible, and reconfiguration is convenient.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. the T-shaped one-sided π of double back transmission line connects tower, comprise public tower body (1), it is characterized in that, set gradually from top to bottom in straight-through side ground wire cross-arm (2), straight-through side in phase conductor cross-arm (3), straight-through side phase conductor cross-arm (5) under phase conductor cross-arm (4) and straight-through side in the straight circuit side of described public tower body (1), the π of public tower body (1) take back trackside be disposed with from top to bottom π connect side ground wire cross-arm (6), π connect in side phase conductor cross-arm (7), π connect side in phase conductor cross-arm (8) and π connect phase conductor cross-arm (9) under side.
2. the T-shaped one-sided π of double back transmission line according to claim 1 connects tower, it is characterized in that, in straight-through side ground wire cross-arm (2), straight-through side, in phase conductor cross-arm (3), straight-through side, under phase conductor cross-arm (4) and straight-through side, phase conductor cross-arm (5) is sharp cross-arm structure, and π connects side ground wire cross-arm (6), π and meets in side phase conductor cross-arm (7), π and connect in side phase conductor cross-arm (8) and π to connect phase conductor cross-arm (9) under side be T-shaped structure.
3. the T-shaped one-sided π of double back transmission line according to claim 1 connects tower, it is characterized in that, described straight circuit ground wire, upper phase conductor, middle phase conductor, lower phase conductor are successively set in straight-through side ground wire cross-arm (2), straight-through side in phase conductor cross-arm (3), straight-through side the both sides of phase conductor cross-arm (5) under phase conductor cross-arm (4) and straight-through side by straight-through side strain insulator-string, connect wire formation straight circuit, described both sides by straight-through side wire jumper.
4. the T-shaped one-sided π of double back transmission line according to claim 1 connects tower, it is characterized in that, described π takes back road ground wire, upper phase conductor, middle phase conductor, lower phase conductor takes back trackside strain insulator-string by π and is connected to π and connects side ground wire cross-arm (6), π connects phase conductor cross-arm (7) in side, π connects phase conductor cross-arm (8) and π in side and connects phase conductor cross-arm (9) two ends under side, π takes back road ground wire, upper phase conductor, middle phase conductor, lower phase conductor connects side ground wire cross-arm (6) from π, π connects phase conductor cross-arm (7) in side, after π connects in side phase conductor cross-arm (8) and π and connects under side phase conductor cross-arm (9) side is quoted and respectively, meet side wire jumper connection π by π and connect side ground wire cross-arm (6), π connects phase conductor cross-arm (7) in side, π connects in side phase conductor cross-arm (8) and π and connects under side the two ends of phase conductor cross-arm (9) and become π and take back road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420022998.0U CN203684771U (en) | 2014-01-15 | 2014-01-15 | Double-circuit transmission line T-type single-side pi junction tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420022998.0U CN203684771U (en) | 2014-01-15 | 2014-01-15 | Double-circuit transmission line T-type single-side pi junction tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203684771U true CN203684771U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420022998.0U Expired - Lifetime CN203684771U (en) | 2014-01-15 | 2014-01-15 | Double-circuit transmission line T-type single-side pi junction tower |
Country Status (1)
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| CN (1) | CN203684771U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005458A (en) * | 2018-01-10 | 2018-05-08 | 国网江苏省电力公司经济技术研究院 | Singly cut-off π sections towers in double loop |
| CN113258506A (en) * | 2021-06-08 | 2021-08-13 | 国核电力规划设计研究院有限公司 | Temporary connection power transmission method of overhead power transmission line |
| CN113363921A (en) * | 2021-06-07 | 2021-09-07 | 国核电力规划设计研究院有限公司 | Connecting structure and connecting method for single-side pi connection of same-tower multi-circuit overhead transmission line |
-
2014
- 2014-01-15 CN CN201420022998.0U patent/CN203684771U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005458A (en) * | 2018-01-10 | 2018-05-08 | 国网江苏省电力公司经济技术研究院 | Singly cut-off π sections towers in double loop |
| CN113363921A (en) * | 2021-06-07 | 2021-09-07 | 国核电力规划设计研究院有限公司 | Connecting structure and connecting method for single-side pi connection of same-tower multi-circuit overhead transmission line |
| CN113258506A (en) * | 2021-06-08 | 2021-08-13 | 国核电力规划设计研究院有限公司 | Temporary connection power transmission method of overhead power transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP JIANGSU ELECTRIC PO Free format text: FORMER NAME: JIANGSU ELECTRIC POWER DESIGNING INST. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 5 Patentee after: CHINA ENERGY ENGINEERING GROUP JIANGSU POWER DESIGN INSTITUTE CO.,LTD. Address before: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 5 Patentee before: Jiangsu Electric Power Design Institute |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |