CN108756419A - A kind of double back cable suitable for built span line draws lower facility - Google Patents
A kind of double back cable suitable for built span line draws lower facility Download PDFInfo
- Publication number
- CN108756419A CN108756419A CN201810610362.0A CN201810610362A CN108756419A CN 108756419 A CN108756419 A CN 108756419A CN 201810610362 A CN201810610362 A CN 201810610362A CN 108756419 A CN108756419 A CN 108756419A
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- arm
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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 cable suitable for built span line draws lower facility.It includes shaft, upper layer cross-arm；The upper layer cross-arm is located at the top of shaft, and both sides cross-arm is arranged in parallel circuit direction, and pillar arrester is arranged in cross-arm ending, arranges that cable termination is arranged in both sides cross-arm, cross-arm ending in 60 degree of angles counterclockwise with line direction；The middle level cross-arm is located at below the cross-arm of upper layer, and both sides cross-arm is arranged in parallel circuit direction, and cable termination is arranged in cross-arm ending, both sides cross-arm is arranged in 60 degree of angles clockwise with line direction, pillar arrester is arranged in cross-arm ending；Lower layer's cross-arm is located at below the cross-arm of middle level, and both sides cross-arm is arranged in 60 degree of angles counterclockwise with line direction, pillar arrester is arranged in cross-arm ending, and both sides cross-arm is arranged in 60 degree of angles clockwise with line direction, cable termination is arranged in cross-arm ending.The present invention is closed in the case where built line crossing shelves both sides anchor support draws, and avoid leads to unnecessary cable laying because cable draws lower position.
Description
【Technical field】
The present invention relates to ultra-high-tension power transmission line technical fields, especially a kind of double back cable suitable for built span line
Draw lower facility.
【Background technology】
With China's rapid economic development, overhead transmission line, high-speed railway, highway etc. are largely built with surprising rapidity
If being limited by factors such as landform, traffic, distance, densely populated place degree, the friendships such as overhead transmission line and high-speed railway, highway
It is very universal to pitch situation.For the overhead transmission line across facilities such as high-speed railway, highways, newly-built, fortune inspection can with transformation
Under the influence of square iron road and highway safety, to ensure safety, traffic department even can will temporarily stoppage in transit railway and highway, influence huge
Greatly.
For needing the engineering in built double-circuit line across under drawing in shelves, traditional scheme by cable draw lower point be transferred to across
More outside shelves, while paying attention to control and crossing at a distance from the anchor support of shelves both sides, anchor support is avoided to exceed because unbalanced tensile force changes
Use scope, but the distance of cable laying laying can be significantly increased, lead to construction cost, building time, civil coordination.
Therefore, it is necessary to propose that a kind of double back cable suitable for built span line draws lower facility, built circuit is utilized
Across the anchor support of shelves both sides, reduces cable and draw the lower influence to span line.
【Invention content】
The main purpose of the present invention is to provide a kind of double back cables suitable for built span line to draw lower facility, is suitble to
Under in built line crossing shelves both sides, anchor support draws, avoid leads to unnecessary cable laying because cable draws lower position.
To achieve the above object, the technical solution that the present invention takes is：
A kind of double back cable suitable for built span line draws lower facility, it includes shaft, upper layer cross-arm, middle level cross
Load, lower layer's cross-arm, pillar arrester, cable termination and cable；
The upper layer cross-arm is located at the top of shaft, and both sides cross-arm is arranged in parallel circuit direction, and branch is arranged in cross-arm ending
Column arrester arranges both sides cross-arm in 60 degree of angles counterclockwise with line direction, cable termination is arranged in cross-arm ending；
The middle level cross-arm is located at below the cross-arm of upper layer, and both sides cross-arm is arranged in parallel circuit direction, is arranged in cross-arm ending
Cable termination is arranged both sides cross-arm in 60 degree of angles clockwise with line direction, pillar arrester is arranged in cross-arm ending；
Lower layer's cross-arm is located at below the cross-arm of middle level, and both sides cross-arm is arranged in 60 degree of angles counterclockwise with line direction, in
Pillar arrester is arranged in cross-arm ending, and both sides cross-arm is arranged in 60 degree of angles clockwise with line direction, electricity is arranged in cross-arm ending
Cable terminal.
Compared with prior art, beneficial effects of the present invention：1) it is suitble to be close to built line crossing shelves anchor support construction；2)
Shaft tower construction is small to built line influence；2) double-loop T connection can be achieved, cut-off and the multiple functions such as reconfiguration；3) with newly-built straight line,
Anchor support is compared, and construction cost is greatly reduced, and reduces floor space.
【Description of the drawings】
Fig. 1 is that the present invention coordinates wiring schematic diagram with built double back strain insulator steel tower；
Fig. 2 is that cable of the present invention draws lower arrangement schematic diagram.
【Specific implementation mode】
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
As shown in Figs. 1-2, a kind of double back cable suitable for built span line draws lower facility, it includes shaft 1, upper layer
Cross-arm 2, middle level cross-arm 3, lower layer's cross-arm 4, pillar arrester 5, cable termination 6 and cable 7.
The upper layer cross-arm 2 is located at the top of shaft 1, and both sides cross-arm is arranged in parallel circuit direction, is arranged in cross-arm ending
Pillar arrester 5 arranges both sides cross-arm in 60 degree of angles counterclockwise with line direction, cable termination 6 is arranged in cross-arm ending.
The middle level cross-arm 3 is located at below the cross-arm of upper layer, and both sides cross-arm is arranged in parallel circuit direction, is arranged in cross-arm ending
Both sides cross-arm is arranged in 60 degree of angles clockwise with line direction in cable termination 6, in cross-arm ending setting pillar arrester 5.
Lower layer's cross-arm 4 is located at below the cross-arm of middle level, and both sides cross-arm is arranged in 60 degree of angles counterclockwise with line direction, in
Pillar arrester 5 is arranged in cross-arm ending, and both sides cross-arm is arranged in 60 degree of angles clockwise with line direction, electricity is arranged in cross-arm ending
Cable terminal 6.
5 place cross-arm of the pillar arrester is in 60 degree of angles, and 6 place cross-arm of cable termination is in 60 degree of angles, it is ensured that cable is whole
The cable of 6 lower section of end is not in same vertical plane.
The overhead transmission line using wire jumper by the conducting wire at anchor support be connected to the adjacent pillar arrester 5 of same layer cross-arm with
Cable termination 6 forms cable and is located at below 6 place cross-arm of cable termination, arranged along shaft 1, under realizing that cable draws.
The cross-arm that cable termination 6 is fixed in the upper layer cross-arm 2, middle level cross-arm 3, lower layer's cross-arm 4 is in mutually 60 degree and does not exist
Same vertical plane does not fix the cross-arm of pillar arrester 5 in the upper layer cross-arm 2, middle level cross-arm 3, lower layer's cross-arm 4 mutually in 60 degree and not
Same vertical plane again ensures power cable at a distance from live part when being under cable draws.
Same layer cross-arm is arranged in " X ", is conducive to cross-arm fixation on shaft 1 and is easily installed, it is advantageously ensured that cross-arm is slightly
Electrical distance between bilge cod arrester 5, cable termination 6, shaft 1, is conducive to be effectively compressed whole height.
The upper layer cross-arm 2, middle level cross-arm 3, the length of lower layer's cross-arm 4 and spacing need to meet electric clearance, lightning protection
Requirement；Existing line conducting wire is satisfied by the requirement of electric clearance, lightning protection with the cross-arm.
Embodiment 1
For with built line crossing shelves strain insulator steel tower cooperation T connect draw under in the case of, as shown in Figure 1, being close to double loop
Cable draws lower facility at line tension tower 7 newly-built one, topping wire be respectively connected to the A seating arrester 5 of 2 taper of upper layer cross-arm with
At cable termination 6, vertical plane of the switching at cable along 6 place cross-arm of cable terminal introduces underground, during middle layer conductor is respectively connected to
The A seating arrester 5 of layer 3 taper of cross-arm draws with the vertical plane at cable along 6 place cross-arm of cable terminal of at cable termination 6, transferring
Enter underground；Lower layer conductor is respectively connected to the A seating arrester 5 of 4 taper of lower layer's cross-arm at cable termination 6, and switching is at cable along electricity
The vertical plane of 6 place cross-arm of cable cable terminal introduces underground.
Embodiment 2
For with built line crossing shelves strain insulator steel tower cooperation cut-off draw under in the case of, in built line crossing shelves strain insulator iron
Tower both sides create cable at one and draw lower facility respectively, and it is same as Example 1 that cable draws the lower facility mode of connection, while will be existing resistance to
The wire jumper for opening tower is all unlocked.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should be included within the scope of the present invention.
Claims (1)
1. a kind of double back cable suitable for built span line draws lower facility, it is characterised in that：It includes shaft, upper layer cross
Load, middle level cross-arm, lower layer's cross-arm, pillar arrester, cable termination and cable；
The upper layer cross-arm is located at the top of shaft, and both sides cross-arm is arranged in parallel circuit direction, is kept away in cross-arm ending setting pillar
Thunder device arranges both sides cross-arm in 60 degree of angles counterclockwise with line direction, cable termination is arranged in cross-arm ending；
The middle level cross-arm is located at below the cross-arm of upper layer, and both sides cross-arm is arranged in parallel circuit direction, and cable is arranged in cross-arm ending
Terminal is arranged both sides cross-arm in 60 degree of angles clockwise with line direction, pillar arrester is arranged in cross-arm ending；
Lower layer's cross-arm is located at below the cross-arm of middle level, both sides cross-arm is arranged in 60 degree of angles counterclockwise with line direction, in cross-arm
Pillar arrester is arranged in ending, and both sides cross-arm is arranged in 60 degree of angles clockwise with line direction, whole in cross-arm ending setting cable
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610362.0A CN108756419A (en) | 2018-06-14 | 2018-06-14 | A kind of double back cable suitable for built span line draws lower facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610362.0A CN108756419A (en) | 2018-06-14 | 2018-06-14 | A kind of double back cable suitable for built span line draws lower facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108756419A true CN108756419A (en) | 2018-11-06 |
Family
ID=64021170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810610362.0A Pending CN108756419A (en) | 2018-06-14 | 2018-06-14 | A kind of double back cable suitable for built span line draws lower facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108756419A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043104A (en) * | 2019-04-17 | 2019-07-23 | 国网安徽省电力有限公司经济技术研究院 | A kind of multistage shaft tower |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201319483Y (en) * | 2008-11-08 | 2009-09-30 | 青海省电力设计院 | Cable terminal pole |
| CN105178678A (en) * | 2015-09-07 | 2015-12-23 | 安徽华电工程咨询设计有限公司 | Two-circuit line breaking and four-circuit cable leading-down tower |
| CN105298201A (en) * | 2015-11-06 | 2016-02-03 | 江苏省电力公司苏州供电公司 | Electric-transmission-line cable-terminal three-dimensional downwards-leading device |
| CN106555496A (en) * | 2016-09-26 | 2017-04-05 | 安徽华电工程咨询设计有限公司 | A kind of double back overhead transmission line cable cut-offs and draws lower angle tower |
| CN206220621U (en) * | 2016-09-26 | 2017-06-06 | 安徽华电工程咨询设计有限公司 | A kind of double back overhead transmission line cable cut-offs and draws lower angle tower |
| CN208473419U (en) * | 2018-06-14 | 2019-02-05 | 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 |
-
2018
- 2018-06-14 CN CN201810610362.0A patent/CN108756419A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201319483Y (en) * | 2008-11-08 | 2009-09-30 | 青海省电力设计院 | Cable terminal pole |
| CN105178678A (en) * | 2015-09-07 | 2015-12-23 | 安徽华电工程咨询设计有限公司 | Two-circuit line breaking and four-circuit cable leading-down tower |
| CN105298201A (en) * | 2015-11-06 | 2016-02-03 | 江苏省电力公司苏州供电公司 | Electric-transmission-line cable-terminal three-dimensional downwards-leading device |
| CN106555496A (en) * | 2016-09-26 | 2017-04-05 | 安徽华电工程咨询设计有限公司 | A kind of double back overhead transmission line cable cut-offs and draws lower angle tower |
| CN206220621U (en) * | 2016-09-26 | 2017-06-06 | 安徽华电工程咨询设计有限公司 | A kind of double back overhead transmission line cable cut-offs and draws lower angle tower |
| CN208473419U (en) * | 2018-06-14 | 2019-02-05 | 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 |
Non-Patent Citations (2)
| Title |
|---|
| 于永洋;赵晖;谢涛;: "双回路单侧电缆T接直线杆引下方法的研究", 电网与清洁能源, no. 02, pages 67 - 70 * |
| 赵晖: "复用架空输电线路杆塔的电缆引下方式研究", 《计算机产品与流通》, no. 5, pages 114 - 115 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043104A (en) * | 2019-04-17 | 2019-07-23 | 国网安徽省电力有限公司经济技术研究院 | A kind of multistage shaft tower |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181116 Address after: 230071 Hongyuan Building, Hefei Municipal Administration District, Anhui Province, 9th Floor Applicant after: State Grid Anhui Electric Power Co., Ltd. Institute of economics and technology Applicant after: Anhui Electric Power Co., Ltd. Address before: 230071 Hongyuan Building, Hefei Municipal Administration District, Anhui Province, 9th Floor Applicant before: State Grid Anhui Electric Power Co., Ltd. Institute of economics and technology Applicant before: Anhui Electric Power Co., Ltd. Applicant before: Anhui Huadian Engineering Consultating & Design Co., Ltd. |