CN106555496A - A kind of double back overhead transmission line cable cut-offs and draws lower angle tower - Google Patents
A kind of double back overhead transmission line cable cut-offs and draws lower angle tower Download PDFInfo
- Publication number
- CN106555496A CN106555496A CN201610850462.1A CN201610850462A CN106555496A CN 106555496 A CN106555496 A CN 106555496A CN 201610850462 A CN201610850462 A CN 201610850462A CN 106555496 A CN106555496 A CN 106555496A
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- arm
- cross
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- transmission line
- cable
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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
- E04H12/24—Cross arms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
A kind of double back overhead transmission line cable cut-offs and draws lower angle tower, draw lower terminal including tower body, top layer ground wire cross-arm, topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm, bottom auxiliary cross-arm, cable suspension support and fore-telling font cable, the top layer ground wire cross-arm, topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm, bottom auxiliary cross-arm are arranged in T fonts, above-below direction is consistent, the lead wire and earth wire of suspension side overhead transmission line, and with circuit at an angle.Beneficial effects of the present invention：Double back overhead transmission line cable cut-offs to draw lower angle tower and only need to cut-off tower using a base double loop cable realizes that cable cut-offs, construction cost is relatively low, and floor space is less, does not change former line arrangement mode, suitable double back overhead transmission line cable unilateral or bilateral is cut-off, preferably adjacent to tangent tower construction.
Description
Technical field
The present invention relates to ultra-high-tension power transmission line technical field, under especially a kind of double back overhead transmission line cable cut-offs and draws
Angle tower.
Background technology
Existing double back overhead transmission line cable is cut-off in engineering, generally adopts two base double loop cable termination towers, respectively
Hang the overhead transmission line of breaking point both sides.Conventional double loop cable termination tower is by under the anchor support of " drum " type double loop
Increase by one layer of auxiliary cross-arm to be formed below cross-arm, overhead transmission line can be hung, effective fixation of cable termination is capable of achieving.The party
The shortcoming of case is to need newly-built two bases double back line pole tower to complete to cut-off, and shaft tower Quantity is more, and construction cost is higher, takes up an area face
Product is larger.
The content of the invention
The present invention provides a kind of double back overhead transmission line cable and cut-offs and draws lower angle tower, and the tower is applied to overhead transmission line
Road corner, can be used for double loop unilateral or bilateral and cut-offs as the angle tower of 45 degree of -90 degree of the corner number of degrees, preferably neighbouring straight
Transmission tower is built, and compares compared with scheme and saves a base shaft tower, reduce construction cost, reduces floor space.
The present invention solves the technical scheme that adopted of above-mentioned technical problem；
A kind of double back overhead transmission line cable cut-offs and draws lower angle tower, including tower body, top layer ground wire cross-arm, topping wire are horizontal
Load, middle layer conductor cross-arm, lower layer conductor cross-arm, bottom auxiliary cross-arm, cable suspension support and fore-telling font cable draw lower terminal.
The top layer ground wire cross-arm, topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm, bottom auxiliary cross-arm
Arrange in T fonts, above-below direction is consistent, for hanging the lead wire and earth wire of side overhead transmission line, and with circuit at an angle.
The topping wire cross-arm, middle layer conductor cross-arm and lower layer conductor cross-arm, hang transmission line of electricity using both sides cross-arm
Lead wire and earth wire on the outside of corner, per layer is hung lead wire and earth wire on the inside of transmission line of electricity corner using cross-arm.
The topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm, bottom auxiliary cross-arm and cable suspension
Frame, between the wire cross-arm for hanging transmission line of electricity corner inboard wire, hangs transmission line of electricity corner outboard wire cross-arm
And cable termination between lower section bottom auxiliary cross-arm, is fixed, fixed position aids in what cross-arm extended positioned at along wire cross-arm and bottom
Cable suspension support, and a cable termination between cross-arm, can be fixed.
The topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm and bottom auxiliary cross-arm, hangs transmission line of electricity
Between the wire cross-arm of corner outboard wire and hang transmission line of electricity corner inboard wire cross-arm and bottom auxiliary in lower section is horizontal
Can fix cable termination between load, fixed position positioned at the cable suspension support, middle level cross-arm extended along topping wire cross-arm slightly
Portion, the cable suspension support along the prolongation of lower layer conductor cross-arm, bottom auxiliary cross-arm ending, and between cross-arm, fix two cable ends
End.
The fore-telling font cable draws lower terminal and is made up of end, suspension insulator and spark gap, suspension insulator,
Spark gap is arranged vertically, and spark gap is located above suspension insulator, and end is with spark gap at an angle.
Beneficial effects of the present invention：Double back overhead transmission line cable cut-offs and draws lower angle tower and only need using a base double loop
Cable cut-offs tower and realizes that cable cut-offs, and construction cost is relatively low, and floor space is less, does not change former line arrangement mode, is adapted to double
Return overhead transmission line cable unilateral or bilateral to cut-off, preferably adjacent to tangent tower construction.
Description of the drawings
Further illustrate with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the wiring schematic diagram of the present invention；
Fig. 4 is the top view of Fig. 3.
Specific embodiment
A kind of double back overhead transmission line cable as Figure 1-Figure 4 cut-offs and draws lower angle tower, including tower body 1, top layer
Ground wire cross-arm 2, topping wire cross-arm 3, middle layer conductor cross-arm 4, lower layer conductor cross-arm 5, bottom auxiliary cross-arm 6, cable suspension
Frame 7 and fore-telling font cable draw lower terminal 8.
The top layer ground wire cross-arm 2, topping wire cross-arm 3, middle layer conductor cross-arm 4, lower layer conductor cross-arm 5, bottom auxiliary
Cross-arm 6 arranges that in T fonts above-below direction is consistent, for hanging the lead wire and earth wire of side overhead transmission line, and is in certain angle with circuit
Degree.
The topping wire cross-arm 3, middle layer conductor cross-arm 4 and lower layer conductor cross-arm 5, hang power transmission line using both sides cross-arm
Lead wire and earth wire on the outside of the corner of road, per layer is hung lead wire and earth wire on the inside of transmission line of electricity corner using cross-arm.
The fore-telling font cable draws lower terminal 8 and is made up of end, suspension insulator and spark gap, suspension insulator,
Spark gap is arranged vertically, and spark gap is located above suspension insulator, and end is with spark gap at an angle.
Lead wire and earth wire cross-arm length, angle and spacing and cable suspension stent length 7 etc. are electric between font cable termination by foretelling
Distance, the electrical distance between cross-arm and wire, fore-telling font cable termination arrangement parameter etc. are determined.
（1）The double back overhead transmission line cable is cut-off when drawing lower angle tower and implementing double loop bilateral and cut-off scheme.
The topping wire cross-arm 3, middle layer conductor cross-arm 4, lower layer conductor cross-arm 5, bottom auxiliary cross-arm 6 and cable suspension
Support 7, between the wire cross-arm for hanging transmission line of electricity corner inboard wire, hangs transmission line of electricity corner outboard wire horizontal stroke
Cable termination is fixed between load and lower section bottom auxiliary cross-arm, fixed position is positioned at along wire cross-arm and bottom auxiliary cross-arm prolongation
Cable suspension support 7, and between cross-arm, fix a cable termination.
The topping wire cross-arm 3, middle layer conductor cross-arm 4, lower layer conductor cross-arm 5 and bottom auxiliary cross-arm 6, hangs transmission of electricity
At circuit corner between the wire cross-arm of outboard wire, hang transmission line of electricity corner inboard wire cross-arm and lower section bottom auxiliary
Fix cable termination between cross-arm, fixed position positioned at the cable suspension support, middle level cross-arm extended along topping wire cross-arm slightly
Portion, the cable suspension support along the prolongation of lower layer conductor cross-arm, bottom auxiliary cross-arm ending, and between cross-arm, fix two cable ends
End.
The wire of wire cross-arm ending is hung on using wire jumper at the fore-telling font cable termination being introduced at below cross-arm,
Realize that double back overhead transmission line bilateral cable cut-offs.
（2）The double back overhead transmission line cable is cut-off when drawing lower angle tower double loop one side and cut-offfing scheme.
The topping wire cross-arm 3, middle layer conductor cross-arm 4, lower layer conductor cross-arm 5 and bottom auxiliary cross-arm 6, hangs transmission of electricity
At circuit corner between the wire cross-arm of inboard wire, hang transmission line of electricity corner inboard wire cross-arm and lower section bottom auxiliary
Between cross-arm, fixed cable termination is cancelled, and lead on the inside of transmission line of electricity corner while cancelling bottom auxiliary cross-arm 6 and being located to hang
Cross-arm below line cross-arm.
The outboard wire of wire cross-arm ending is hung on using wire jumper around the fore-telling font cable termination being introduced at below cross-arm
Place；The inboard wire for hanging on wire cross-arm ending is directly connected, so as to realize that the unilateral cable of double back overhead transmission line is opened
It is disconnected.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to
Citing and descriptive purpose, and be not intended to limit the invention in described scope of embodiments.In addition people in the art
Member is it is understood that the invention is not limited in above-described embodiment, teaching of the invention can also be made more kinds of
Variants and modifications, within these variants and modifications all fall within scope of the present invention.
Claims (6)
1. a kind of double back overhead transmission line cable cut-offs and draws lower angle tower, it is characterised in that horizontal including tower body, top layer ground wire
Load, topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm, bottom auxiliary cross-arm, cable suspension support and fore-telling font electricity
Cable draws lower terminal.
2. a kind of double back overhead transmission line cable according to claim 1 cut-offs and draws lower angle tower, it is characterised in that institute
It is in T font cloth to state top layer ground wire cross-arm, topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm, bottom auxiliary cross-arm
Put, above-below direction is consistent, for hanging the lead wire and earth wire of side overhead transmission line.
3. a kind of double back overhead transmission line cable according to claim 1 cut-offs and draws lower angle tower, it is characterised in that institute
Topping wire cross-arm, middle layer conductor cross-arm and lower layer conductor cross-arm are stated, per layer is hung transmission line of electricity corner using both sides cross-arm
Outside lead wire and earth wire, per layer is hung lead wire and earth wire on the inside of transmission line of electricity corner using cross-arm.
4. a kind of double back overhead transmission line cable according to claim 1 cut-offs and draws lower angle tower, it is characterised in that institute
Topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm, bottom auxiliary cross-arm and cable suspension support are stated, it is defeated in hanging
Between the wire cross-arm of electric line corner inboard wire and hang transmission line of electricity corner outboard wire cross-arm and lower section bottom
Cable termination is fixed between auxiliary cross-arm, fixed position is positioned at the cable suspension extended along wire cross-arm and bottom auxiliary cross-arm
A cable termination can be fixed between frame, and cross-arm.
5. a kind of double back overhead transmission line cable according to claim 1 cut-offs and draws lower angle tower, it is characterised in that institute
Topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm and bottom auxiliary cross-arm is stated, is hung on the outside of transmission line of electricity corner
Between the wire cross-arm of wire, hang
Cable termination, it is horizontal that fixed position is located at upper strata cross-arm ending, the cable suspension support that layer conductor cross-arm extends in, lower layer conductor
Load and the cable suspension support extended along bottom auxiliary cross-arm, and between cross-arm, fix two cable terminations.
6. a kind of double back overhead transmission line cable according to claim 1 cut-offs and draws lower angle tower, it is characterised in that institute
State fore-telling font cable to draw lower terminal and be made up of end, suspension insulator and spark gap, suspension insulator, spark gap are vertical
Arrangement, spark gap are located above suspension insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850462.1A CN106555496A (en) | 2016-09-26 | 2016-09-26 | A kind of double back overhead transmission line cable cut-offs and draws lower angle tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850462.1A CN106555496A (en) | 2016-09-26 | 2016-09-26 | A kind of double back overhead transmission line cable cut-offs and draws lower angle tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106555496A true CN106555496A (en) | 2017-04-05 |
Family
ID=58418214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610850462.1A Pending CN106555496A (en) | 2016-09-26 | 2016-09-26 | A kind of double back overhead transmission line cable cut-offs and draws lower angle tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106555496A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756420A (en) * | 2018-06-14 | 2018-11-06 | 国网安徽省电力有限公司经济技术研究院 | A kind of cable termination with cross over crane span structure integral type tower |
| CN108756419A (en) * | 2018-06-14 | 2018-11-06 | 国网安徽省电力有限公司经济技术研究院 | A kind of double back cable suitable for built span line draws lower facility |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2742417A1 (en) * | 1977-09-21 | 1979-03-29 | Benteler Werke Ag | Tubular electric steel cable mast - has pair of arms extending from two sides, with tubular, interfitting frusto-conical sections |
| CN204691371U (en) * | 2015-05-19 | 2015-10-07 | 国家电网公司 | A kind of 110kV cable double-circuit line terminal tower |
| CN105155914A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Cut-off angle steel tower for single-loop power transmission line |
| CN105178682A (en) * | 2015-09-10 | 2015-12-23 | 安徽华电工程咨询设计有限公司 | Two-circuit one-sided cut-off cable downlead tangent tower |
-
2016
- 2016-09-26 CN CN201610850462.1A patent/CN106555496A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2742417A1 (en) * | 1977-09-21 | 1979-03-29 | Benteler Werke Ag | Tubular electric steel cable mast - has pair of arms extending from two sides, with tubular, interfitting frusto-conical sections |
| CN204691371U (en) * | 2015-05-19 | 2015-10-07 | 国家电网公司 | A kind of 110kV cable double-circuit line terminal tower |
| CN105155914A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Cut-off angle steel tower for single-loop power transmission line |
| CN105178682A (en) * | 2015-09-10 | 2015-12-23 | 安徽华电工程咨询设计有限公司 | Two-circuit one-sided cut-off cable downlead tangent tower |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756420A (en) * | 2018-06-14 | 2018-11-06 | 国网安徽省电力有限公司经济技术研究院 | A kind of cable termination with cross over crane span structure integral type tower |
| CN108756419A (en) * | 2018-06-14 | 2018-11-06 | 国网安徽省电力有限公司经济技术研究院 | A kind of double back cable suitable for built span line draws lower facility |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170405 |
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| WD01 | Invention patent application deemed withdrawn after publication |