CN205918210U - A compound cross arm tangent tower of cat head type for reducing line corridor width - Google Patents
A compound cross arm tangent tower of cat head type for reducing line corridor width Download PDFInfo
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- CN205918210U CN205918210U CN201620965065.4U CN201620965065U CN205918210U CN 205918210 U CN205918210 U CN 205918210U CN 201620965065 U CN201620965065 U CN 201620965065U CN 205918210 U CN205918210 U CN 205918210U
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Abstract
The utility model discloses a compound cross arm tangent tower of cat head type for reducing line corridor width, including the body of the tower, the body of the tower top is fixed with cat head type top of the tower, cat head type top of the tower is the V -arrangement by two and cranks arm and constitute, connect through V type insulator chain between cranking arm for two, wire among V type insulator chain's the fixed high -tension transmission in lower part, body of the tower top both sides the below of cranking arm is fixed with the compound cross arm of V type, the last lateral wall of the compound cross arm of V type is for can reverse the composite insulator cluster, and the side arm is post insulators under it, the tie point of lateral wall and lower lateral wall is fixed with high -tension transmission limit wire on the compound cross arm of V type. The utility model discloses the iron tower adopts compound cross arm, and line corridor reduce 6.7m, reduces to 7.3m by original 14m, and the more ordinary tangent tower of tower weight alleviates about 22%, and basic effort reduces about 19%, has also increased the probe distance of limit wire to the house in addition, and for the influence of reduction to near the resident of circuit, the influence of transmission line to the environment is effectively reduced to the while.
Description
Technical field
This utility model belongs to electric power electricity tower technology field and in particular to a kind of Caput Felis domestica for reducing line corridor width
Type is combined cross-arm tangent tower.
Background technology
With economic continuous development, the rapid expansion of new countryside construction scale, the demand of electric power is increased rapidly, rural area
The quantity building ultra-high-tension power transmission line is also being continuously increased, and the contradiction of line corridor and steel tower occupation of land and New rural zones plan is increasingly
Prominent.At present, existing single loop transmission line tangent tower typically adopts the mode such as wineglass tower, cat-head transmission tower.Wherein wineglass tower wire
Using horizontally arranged, line corridor is wider, and floor space is big, crosses over resident compact district and causes removal amount big, line corridor simultaneously
Removal expense is increasingly expensive, and the ratio that removal expense accounts for total cost is significantly lifted, and produces harmful effect to surrounding；And
Cat-head transmission tower wire adopts high voltage electricity transmission conductive wire triangle arrangement, for meeting the requirement of electric clearance, always high of a relatively high, the tower weight of steel tower
Heavier.Additionally, common wineglass tower, cat-head transmission tower all have by the upper and lower K-type node cranked arm and formed, according to State Grid Corporation of China
The experience of universal design in 2011, K-type node has the defects such as stress is complicated, displacement is larger.Therefore invention one kind is used for reducing line
The cathead of road width of corridor is combined cross-arm tangent tower, improves the transmission capacity of unit corridor, reduction steel tower floor space becomes
Need solving of task for line construction.
Content of the invention
The technical problems to be solved in the utility model is to provide a kind of ultra-high-tension power transmission line when crossing over house City Regions
Cathead for reducing line corridor width is combined cross-arm tangent tower.
This utility model solves above-mentioned technical problem by the following technical programs,
A kind of cathead for reducing line corridor width is combined cross-arm tangent tower, including tower body it is characterised in that
Described tower body 1 top is fixed with cathead tower top, and described cathead tower top is cranked arm in v shape by two and formed；
Described two crank arm between connected by V-shaped insulator chain, high voltage power transmission is fixed in the bottom of described V-shaped insulator chain
Middle wire；
It is fixed with V-shaped and is combined cross-arm in described tower body top both sides, the described lower section cranked arm；
The upper side wall that described V-shaped is combined cross-arm is can to reverse composite insulator string, and its lower side arm is support insulator；
Described V-shaped is combined cross-arm upper side wall and the junction point of lower wall is fixed with high voltage power transmission side wire.
As optimization, described support insulator is fixedly linked by rotating node and tower body, and described rotation node includes double
Angle steel, Contraband shape stiffener, rotating bolt and t junction steel plate, in described t junction steel plate insertion Contraband shape stiffener, and by rotating
Bolt is fixed, and described t junction steel plate is rotated centered on rotating bolt；The other end of described t junction steel plate is fixedly connected described
Support insulator；The bottom of described Contraband shape stiffener is fixed on tower body by described double angle；
As optimization, two fixing tops cranked arm in v shape of described tower body top are fixedly installed lightning conducter.
This utility model steel tower is reduced 6.7m, is reduced to 7.3m, tower weight by original 14m using compound cross-arm, line corridor
Mitigate 22% about compared with ordinary straight transmission tower, basic role power reduces 19% about, also increases the level to house for the side wire in addition
Distance, for reducing the impact to resident near circuit, effectively reduces the impact to environment for the transmission line of electricity simultaneously.This utility model leads to
Cross rotation node and compound cross-arm connects, twist being closed cross-arm by wind-force recurrence of disease at the same time next year, release between compound cross-arm and tower body
Longitudinal unbalance tension force it is ensured that the safety and reliability of steel tower.By above economy, the suitability, safety contrast
Analysis, this utility model cathead is combined cross-arm tangent tower and is better than common cat-head transmission tower, wineglass tower, has comprehensive well effect
Benefit.
Brief description
Fig. 1 is this utility model example structure schematic diagram；
Fig. 2 is this utility model embodiment close-up schematic view；
Fig. 3 rotates node structure schematic diagram for this utility model embodiment.
Specific embodiment
With reference to the accompanying drawings and examples, it is further elaborated on content of the present utility model.
A kind of cathead for reducing line corridor width is combined cross-arm tangent tower, including tower body 1,
Described tower body 1 top is fixed with cathead tower top 2, and described cathead tower top 2 cranks arm 21,22 groups by two in v shape
Become；
Crank arm in v shape 21,22 top of two of the fixing cathead tower top 2 in described tower body 1 top is fixedly installed lightning conducter.
Described two cranking arm is connected by V-shaped insulator chain 4 between 21,22, and the bottom of described V-shaped insulator chain 4 is fixed
Wire 5 in high voltage power transmission；
Described tower body 1 top both sides, described crank arm 21,22 lower section be fixed with V-shaped be combined cross-arm 3；
The upper side arm that described V-shaped is combined cross-arm 3 is to reverse composite insulator string 32, and its lower side arm is support insulator
31；
The junction point that described V-shaped is combined side arm 32 and lower side arm 31 on cross-arm 3 is fixed with high voltage power transmission side wire 6；
Described support insulator 31 passes through to rotate node 7 and tower body 1 is fixedly linked, and described rotation node 7 includes double angle
71st, Contraband shape stiffener 72, rotating bolt 73 and t junction steel plate 74, in described t junction steel plate 74 insertion Contraband shape stiffener 72, and
Fixing by rotating bolt 73, described t junction steel plate 74 can be rotated centered on rotating bolt 73；Described t junction steel plate 74
The other end is fixedly connected described support insulator 31；The bottom of described Contraband shape stiffener 72 is fixed on tower by described double angle 71
On body 1.
This utility model Curve guide impeller in the pattern of existing cat-head transmission tower, high voltage electricity transmission conductive wire still adopts Vertical Triangular
Arrangement, eliminates middle phase cross-arm and the earth wire support on existing cat-head transmission tower, and in high voltage power transmission, wire adopts common V-shaped insulator chain
Fixing, and crank arm with the both sides of the shared cathead tower top of lightning conducter, high voltage power transmission side wire is combined cross-arm using " v " type and is fixed on
On tower body.This utility model is fixed using rotatably compound cross-arm, is connected to tower body top, composite rotation by rotating node
Cross-arm, by reversing composite insulator string and support insulator forms, eliminates the large volume cross-arm of existing cat-head transmission tower, effectively contracts
Short common steel tower cross-arm width, reaches the effect reducing line corridor width.This utility model is directed to what compound cross-arm adopted
Rotate design of node, the upper side arm of compound cross-arm is coilable composite insulator string, support force to be provided based on lower side arm
Support insulator, and be connected with tower body in the fixing node that rotates in support insulator end.When high voltage electricity transmission conductive wire is subject to windage,
When wire has longitudinally twisted load, the compound cross-arm of combination rotates, and discharges Tension Difference, until longitudinal load discharges, really completely
Protect the safety of high tension electric tower.
The cathead for reducing line corridor width that this utility model provides is combined the popularization and application of cross-arm tangent tower,
Be conducive to optimizing line route, reduce line corridor width, reduce construction costs, be well positioned to meet layout of roads and residential block
Build the purpose mutually coordinated, there is certain economic benefit and social benefit.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (3)
1. a kind of cathead for reducing line corridor width be combined cross-arm tangent tower, including tower body it is characterised in that
Described tower body 1 top is fixed with cathead tower top, and described cathead tower top is cranked arm in v shape by two and formed；
Described two crank arm between connected by V-shaped insulator chain, lead in the fixing high voltage power transmission in the bottom of described V-shaped insulator chain
Line；
It is fixed with V-shaped and is combined cross-arm in described tower body top both sides, the described lower section cranked arm；
The upper side wall that described V-shaped is combined cross-arm is can to reverse composite insulator string, and its lower side arm is support insulator；
Described V-shaped is combined cross-arm upper side wall and the junction point of lower wall is fixed with high voltage power transmission side wire.
2. the cathead being used for as claimed in claim 1 reducing line corridor width is combined cross-arm tangent tower it is characterised in that institute
State support insulator and be fixedly linked by rotating node and tower body, described rotation node includes double angle, Contraband shape stiffener, rotation
Bolt and t junction steel plate, in described t junction steel plate insertion Contraband shape stiffener, and are fixed by rotating bolt, described t connects steel
Plate is rotated centered on rotating bolt；The other end of described t junction steel plate is fixedly connected described support insulator；Described Contraband shape adds
The bottom of strength plate is fixed on tower body by described double angle.
3. the cathead being used for as claimed in claim 1 reducing line corridor width is combined cross-arm tangent tower it is characterised in that institute
State two fixing tops cranked arm in v shape of tower body top and lightning conducter is fixedly installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965065.4U CN205918210U (en) | 2016-08-29 | 2016-08-29 | A compound cross arm tangent tower of cat head type for reducing line corridor width |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965065.4U CN205918210U (en) | 2016-08-29 | 2016-08-29 | A compound cross arm tangent tower of cat head type for reducing line corridor width |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918210U true CN205918210U (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620965065.4U Active CN205918210U (en) | 2016-08-29 | 2016-08-29 | A compound cross arm tangent tower of cat head type for reducing line corridor width |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859408A (en) * | 2017-11-14 | 2018-03-30 | 广东天联电力设计有限公司 | Cat-head transmission tower and its loop structure |
| CN108691451A (en) * | 2018-07-23 | 2018-10-23 | 中国能源建设集团山西省电力勘测设计院有限公司 | A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side |
| CN108691450A (en) * | 2018-07-23 | 2018-10-23 | 中国能源建设集团山西省电力勘测设计院有限公司 | A kind of 500 kilovolts of single time electric power pylons |
-
2016
- 2016-08-29 CN CN201620965065.4U patent/CN205918210U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859408A (en) * | 2017-11-14 | 2018-03-30 | 广东天联电力设计有限公司 | Cat-head transmission tower and its loop structure |
| CN107859408B (en) * | 2017-11-14 | 2024-03-08 | 广东天联电力设计有限公司 | Cat head tower and loop structure thereof |
| CN108691451A (en) * | 2018-07-23 | 2018-10-23 | 中国能源建设集团山西省电力勘测设计院有限公司 | A kind of 500 kilovolts of single time mutually compound cross-arms in electric power pylon side |
| CN108691450A (en) * | 2018-07-23 | 2018-10-23 | 中国能源建设集团山西省电力勘测设计院有限公司 | A kind of 500 kilovolts of single time electric power pylons |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 330096 426 Jingdong Avenue, Nanchang hi tech Development Zone, Jiangxi Patentee after: China Electric Power Construction Group Jiangxi Electric Power Design Institute Co., Ltd. Address before: 330096 426 Jingdong Avenue, Nanchang high tech Development Zone, Jiangxi Patentee before: Jiangxi Electric Power Design Institute |
|
| CP03 | Change of name, title or address |