CN206128799U - Two overhead transmission line cables that return that adopt K style of calligraphy cross arm cut -off strain insulator tower - Google Patents
Two overhead transmission line cables that return that adopt K style of calligraphy cross arm cut -off strain insulator tower Download PDFInfo
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- CN206128799U CN206128799U CN201621081067.3U CN201621081067U CN206128799U CN 206128799 U CN206128799 U CN 206128799U CN 201621081067 U CN201621081067 U CN 201621081067U CN 206128799 U CN206128799 U CN 206128799U
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Abstract
The utility model relates to a two overhead transmission line cables that return that adopt K style of calligraphy cross arm cut -off strain insulator tower, including body of the tower, top layer ground wire cross arm, upper wire cross arm, middle level wire cross arm, lower floor's wire cross arm, the supplementary cross arm of bottom and cable lift kits, the supplementary cross arm of top layer ground wire cross arm, upper wire cross arm, middle level wire cross arm, lower floor's wire cross arm, bottom all adopts the two -segment type structure, and each layer cross arm all is the K style of calligraphy and arranges, direction is unanimous about each layer cross arm. The angle tower only need adopt basic two loop cable to cut -off the tower and realize that the cable cut -offs under two times overhead transmission line cables cut -off and draw, and construction cost is lower, and area is less, does not change former circuit arrangement, is fit for pair time overhead transmission line cable unilaterals or bilateral and cut -offs, should be close to the tangent tower construction.
Description
Technical field
This utility model is related to ultra-high-tension power transmission line technical field, and especially a kind of double back of employing K font cross-arms is maked somebody a mere figurehead
Power line cables cut-off anchor support.
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
Cross-arm lower section increases by one layer of auxiliary cross-arm and is formed, and can hang overhead transmission line, is capable of achieving effective fixation of cable termination.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.
Utility model content
This utility model provides a kind of double back overhead transmission line cable of employing K font cross-arms and cut-offs anchor support, the tower
Suitable for overhead transmission line corner, double loop can be can be used for unilateral or double as the angle tower of 45 degree of -90 degree of the corner number of degrees
Side is cut-off, and preferably adjacent to tangent tower construction, is compared compared with scheme and is saved a base shaft tower, reduces construction cost, is reduced and is accounted for
Ground area.
This utility model solves the technical scheme that adopted of above-mentioned technical problem：
A kind of double back overhead transmission line cable of employing K font cross-arms cut-offs anchor support, including tower body, top layer ground wire horizontal stroke
Load, topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor cross-arm, bottom auxiliary cross-arm and cable suspension support, 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 adopt two-part structure,
And each layer cross-arm arranges that each layer cross-arm above-below direction is consistent in K fonts.
The two-part structure is that cross-arm is arranged vertically cross-arm outside both sides, and two outer horizontal strokes in tower body side on the outside of epimere corner
Angle is in 180 degree between load；In cross-arm in 45 degree of arrangement both sides between cross-arm outside hypomere corner inner side cross-arm and tower body side, and
Angle is in 90 degree between cross-arm in two.
Cross-arm is utilized outside two on the outside of the epimere corner of the topping wire cross-arm, middle layer conductor cross-arm and lower layer conductor cross-arm
Cross-arm hangs lead wire and earth wire on the outside of transmission line of electricity corner, with lead wire and earth wire in the unspecified angle between 22.5-45 degree；In hypomere corner
Side cross-arm utilizes cross-arm in two to hang transmission line of electricity corner inner side lead wire and earth wire, with lead wire and earth wire in the arbitrary angle between 0-22.5 degree
Degree.
Cable termination is fixed between the outer cross-arm of the adjacent two layers cross-arm, on each cross-arm cable suspension is respectively connected with
Support, cable termination is arranged on cable suspension support.
, to foretell font structure, the fore-telling font cable termination is by end, suspension insulator and keeps away for described cable termination
Thunder device is constituted, and suspension insulator, spark gap are arranged vertically, and suspension insulator is located at spark gap top.
The beneficial effects of the utility model：Double back overhead transmission line cable cut-off draw lower angle tower only need it is double using a base
Return cable is cut-off 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 fitted
Close double back 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 front view of the present utility model；
Fig. 2 is side view of the present utility model；
Fig. 3 is wiring schematic diagram of the present utility model；
Fig. 4 is the top view of Fig. 3.
Specific embodiment
A kind of double back overhead transmission line cable of employing K font cross-arms as Figure 1-Figure 4 cut-offs anchor support, 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 support 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
4th, lower layer conductor cross-arm 5, bottom auxiliary cross-arm 6 adopts two-part structure, and in K fonts arrangement, above-below direction is consistent.
The two-part structure is that cross-arm is arranged vertically outside both sides outside cross-arm 11, and two in tower body side on the outside of epimere corner
Angle is in 180 degree between cross-arm；In cross-arm in 45 degree of arrangement both sides between cross-arm outside hypomere corner inner side cross-arm and tower body side
Angle is in 90 degree between cross-arm in 12, and two.
The topping wire cross-arm 3, middle layer conductor cross-arm 4 and lower layer conductor cross-arm 5, cross-arm utilizes two on the outside of epimere corner
Side cross-arm hangs lead wire and earth wire on the outside of transmission line of electricity corner, with lead wire and earth wire in the unspecified angle between 22.5-45 degree；Hypomere corner
Inner side cross-arm utilizes cross-arm in two to hang transmission line of electricity corner inner side lead wire and earth wire, with lead wire and earth wire in arbitrary between 0-22.5 degree
Angle.Both sides lead wire and earth wire tends to parallel
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 suspension insulator is located at spark gap top, 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 etc. are by electric between fore-telling font cable termination
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, between the wire cross-arm for hanging transmission line of electricity corner outboard 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 located at and extends along wire cross-arm and bottom auxiliary cross-arm
Cable suspension support, and a cable termination is fixed between cross-arm.The topping wire cross-arm 3, middle layer conductor cross-arm 4, under
Layer conductor cross-arm 5 and bottom auxiliary cross-arm 6, hang between the wire cross-arm of transmission line of electricity corner inboard wire, hang transmission of electricity
Fix between cable termination, and cross-arm between inboard wire cross-arm and lower section bottom auxiliary cross-arm at circuit corner and fix an electricity
Cable terminal.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, it is real
Existing 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
Fixed cable termination is cancelled between cross-arm, while cancel bottom auxiliary cross-arm 6 leading positioned at transmission line of electricity corner inner side is hung
Cross-arm below line cross-arm.The outboard wire of wire cross-arm ending is hung on using wire jumper around the fore-telling word being introduced at below cross-arm
At type cable termination；The inboard wire for hanging on wire cross-arm ending is directly connected, so as to realize double back overhead transmission line list
The cable of side cut-offs.
This utility model is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is
For citing and descriptive purpose, and it is not intended to that this utility model is limited in described scope of embodiments.In addition ability
Field technique personnel it is understood that this utility model is not limited to above-described embodiment, according to teaching of the present utility model also
More kinds of variants and modifications can be made, these variants and modifications all fall within this utility model scope required for protection with
It is interior.
Claims (5)
1. a kind of double back overhead transmission line cable of employing K font cross-arms cut-offs anchor support, including tower body, top layer ground wire horizontal stroke
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, it is characterised in that：The top layer ground wire cross-arm, topping wire cross-arm, middle layer conductor cross-arm, lower layer conductor are horizontal
Load, bottom auxiliary cross-arm adopt two-part structure, and each layer cross-arm arranges that each layer cross-arm above-below direction is consistent in K fonts.
2. the double back overhead transmission line cable of employing K font cross-arms according to claim 1 cut-offs anchor support, its feature
It is：The two-part structure is that cross-arm is arranged vertically cross-arm outside both sides, and two outer cross-arms in tower body side on the outside of epimere corner
Between angle be in 180 degree；Cross-arm in both sides, and two are arranged outside hypomere corner inner side cross-arm and tower body side in 45 degree between cross-arm
Angle is in 90 degree between interior cross-arm.
3. the double back overhead transmission line cable of employing K font cross-arms according to claim 2 cut-offs anchor support, its feature
It is：Cross-arm is outer horizontal using two on the outside of the epimere corner of the topping wire cross-arm, middle layer conductor cross-arm and lower layer conductor cross-arm
Load hangs lead wire and earth wire on the outside of transmission line of electricity corner, with lead wire and earth wire in the unspecified angle between 22.5-45 degree；Hypomere corner inner side
Cross-arm utilizes cross-arm in two to hang transmission line of electricity corner inner side lead wire and earth wire, with lead wire and earth wire in the arbitrary angle between 0-22.5 degree
Degree.
4. the double back overhead transmission line cable of employing K font cross-arms according to claim 3 cut-offs anchor support, its feature
It is：Cable termination is fixed between the outer cross-arm of the adjacent two layers cross-arm, cable suspension is respectively connected with each cross-arm
Frame, cable termination is arranged on cable suspension support.
5. the double back overhead transmission line cable of employing K font cross-arms according to claim 4 cut-offs anchor support, its feature
It is：, to foretell font structure, the fore-telling font cable termination is by end, suspension insulator and spark gap for described cable termination
Constitute, suspension insulator, spark gap are arranged vertically, suspension insulator is located at spark gap top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081067.3U CN206128799U (en) | 2016-09-26 | 2016-09-26 | Two overhead transmission line cables that return that adopt K style of calligraphy cross arm cut -off strain insulator tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081067.3U CN206128799U (en) | 2016-09-26 | 2016-09-26 | Two overhead transmission line cables that return that adopt K style of calligraphy cross arm cut -off strain insulator tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206128799U true CN206128799U (en) | 2017-04-26 |
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ID=58569922
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621081067.3U Active CN206128799U (en) | 2016-09-26 | 2016-09-26 | Two overhead transmission line cables that return that adopt K style of calligraphy cross arm cut -off strain insulator tower |
Country Status (1)
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| CN (1) | CN206128799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567596A (en) * | 2016-09-26 | 2017-04-19 | 安徽华电工程咨询设计有限公司 | Double-loop overhead power transmission line cable breaking strain tower adopting K-shaped cross arm |
-
2016
- 2016-09-26 CN CN201621081067.3U patent/CN206128799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567596A (en) * | 2016-09-26 | 2017-04-19 | 安徽华电工程咨询设计有限公司 | Double-loop overhead power transmission line cable breaking strain tower adopting K-shaped cross arm |
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