CN106150177B - A kind of terminal anchor support for double-layer frame outlet - Google Patents
A kind of terminal anchor support for double-layer frame outlet Download PDFInfo
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- CN106150177B CN106150177B CN201610740019.9A CN201610740019A CN106150177B CN 106150177 B CN106150177 B CN 106150177B CN 201610740019 A CN201610740019 A CN 201610740019A CN 106150177 B CN106150177 B CN 106150177B
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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
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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Abstract
The present invention relates to a kind of terminal anchor support for double-layer frame outlet, solves the Traverse phase-order arrangement in double-layer frame outlet of terminal anchor support compared with prior art and selects the defects of limited.Framework side wire tension-resistant insulator chain is installed in the terminal tower framework side of first layer cross-arm, second layer cross-arm and third layer cross-arm in the present invention, terminal tower inlet wire conducting wire is mounted on framework side wire tension-resistant insulator chain, line side wire strain insulator string is installed in the terminal tower line side of second layer cross-arm, third layer cross-arm and the 4th layer of cross-arm, and terminal tower outgoing conductor is mounted on line side wire strain insulator string.The present invention can greatly improve the double-layer frame outgoing conductor phase sequence arrangement free degree, meet to require stringent special engineering to Traverse phase-order arrangement.
Description
Technical field
The present invention relates to iron tower of power transmission line technical field, and specifically a kind of terminal for double-layer frame outlet is resistance to
Open tower.
Background technology
Substation's outlet design is typically the structure type for individual layer framework, but in economically developed, denser population
Area, for compression substation size, reduces permanent occupation of land, more and more substations are considered as the structure type of double-layer frame.
Double-layer frame outlet at present uses common double loop terminal anchor support, i.e. one layer of earth wire support and three layer conductors are horizontal
Load, as depicted in figs. 1 and 2, conducting wire is arranged vertically within three layer conductor cross-arms, in same layer arrangement.It is calculated analytically, using common
Double loop terminal anchor support, most of phase sequence arrangement (about 56.6%) can cause inlet wire shelves conducting wire phase spacing to be unsatisfactory for specification will
Ask.If the wire arrangements of double-layer frame are negative phase sequence (upper strata cba, lower floor CBA), common three layer conductor of double loop terminal anchor support
Cross-arm is respectively upper, middle and lower.Analyzed by calculating, the prior art shared using common double-loop terminal tower " under (1) a/C on
(2) under a under/upper (3) b of B/upper (4) a of C under/C in (5) a/C on " five kinds of situations can be applicable in, and other 20 kinds arrangements are alternate
Distance is unsatisfactory for code requirement, i.e., 56.6% is unsatisfactory for requiring.Therefore the terminal anchor support of the prior art is not suitable for bilayer
Major part Traverse phase-order arranging situation during framework outlet, becomes the restraining factors of substation's arrangement double-layer frame.
How a kind of terminal anchor support that in double-layer frame outlet can at utmost meet a variety of phase sequence arrangements is developed
Have become the technical problem for being badly in need of solving.
The content of the invention
The purpose of the present invention is to solve terminal anchor support in the prior art, in double-layer frame outlet, Traverse phase-order is arranged
The defects of column selection is limited, there is provided a kind of to solve the above problems for the terminal anchor support of double-layer frame outlet.
To achieve these goals, technical scheme is as follows：
A kind of terminal anchor support for double-layer frame outlet, including tower body, the tower body are installed successively from top to bottom
There are first layer cross-arm, second layer cross-arm, third layer cross-arm and the 4th layer of cross-arm, first layer cross-arm, second layer cross-arm and third layer
Same side end of the cross-arm based on tower body is mounted on framework side wire tension-resistant insulator chain, second layer cross-arm, third layer cross-arm
Line side wire strain insulator string, framework side wire tension-resistant are mounted on the 4th layer of same side end of the cross-arm based on tower body
Insulator chain is located at the same side of tower body with line side wire strain insulator string；
Framework side wire tension-resistant insulator chain is installed in the terminal of first layer cross-arm, second layer cross-arm and third layer cross-arm
Tower framework side, is mounted on terminal tower inlet wire conducting wire, line side wire strain insulator on framework side wire tension-resistant insulator chain
String is installed in the terminal tower line side of second layer cross-arm, third layer cross-arm and the 4th layer of cross-arm, the insulation of line side wire strain insulator
Terminal tower outgoing conductor is mounted on substring；
The terminal tower inlet wire conducting wire of first layer cross-arm is connected by wire jumper with the terminal tower outgoing conductor of second layer cross-arm, the
The terminal tower inlet wire conducting wire of two layers of cross-arm is connected by wire jumper with the terminal tower outgoing conductor of third layer cross-arm, third layer cross-arm
Terminal tower inlet wire conducting wire is connected by wire jumper with the terminal tower outgoing conductor of the 4th layer of cross-arm.
The wire jumper suspension assembly on first layer cross-arm is further included, wire jumper suspension assembly and framework side wire tension-resistant are exhausted
Edge substring is located at the same side of tower body；The wire jumper suspension assembly includes wire jumper insulator chain and jumper wire support pipe, wire jumper are exhausted
Edge substring is installed on the lower section of first layer cross-arm, and jumper wire support pipe is installed on the lower section of wire jumper insulator chain, first layer cross-arm
Terminal tower inlet wire conducting wire is connected on one end of jumper wire support pipe by wire jumper, and the terminal tower outgoing conductor of second layer cross-arm passes through wire jumper
It is connected on the other end of jumper wire support pipe.
First layer cross-arm, second layer cross-arm, third layer cross-arm and the 4th layer of cross-arm is trapezoidal inverted structure.
The top of the first layer cross-arm is provided with framework side ground wire strain hardware fitting string and line side ground wire strain hardware fitting
String, framework side ground wire strain hardware fitting string, line side ground wire strain hardware fitting string are located at tower with framework side wire tension-resistant insulator chain
The same side of body, framework side ground wire strain hardware fitting displacement is in the terminal tower framework side of first layer cross-arm, line side ground wire strain insulator gold
Has displacement in the terminal tower line side of first layer cross-arm.
The quantity of the wire jumper insulator chain is 2.
Beneficial effect
A kind of terminal anchor support for double-layer frame outlet of the present invention, can greatly improve double compared with prior art
The layer framework outgoing conductor phase sequence arrangement free degree, meets to require stringent special engineering to Traverse phase-order arrangement.
By the layer of four layers of cross-arm every wire jumper Transition Design so that the upper strata outlet and lower floor's outlet of double-layer frame realize
Staggered floor designs, and situation can not be applicable in the present invention only " under a on C ", and 4 kinds of arrangement phase spacings are unsatisfactory for code requirement, i.e.,
11.1% is unsatisfactory for requiring, and can meet most of arrangements of conductors situation, the phase sequence arrangement free degree is significantly increased, and " under a on C " feelings
Condition also can give reality by increasing the existing means such as double-layer frame vertical interval, the adjustment of follow-up line Phases on the basis of the present invention
It is existing.Have the characteristics that it is simple in structure, have a wide range of application.
Brief description of the drawings
Fig. 1 is the structure front view of terminal anchor support in the prior art；
Fig. 2 is the structural side view of Fig. 1；
Fig. 3 is the structure front view of the present invention；
Fig. 4 is the side view of Fig. 3；
Fig. 5 is that the tower body structure of the present invention uses the structural side view of prior art insulator arrangement；
Fig. 6 is structure diagram of the present invention in practical application；
Fig. 7 calculates analysis chart for conventional double-loop terminal tower in the prior art；
The double-loop terminal tower that Fig. 8 is the present invention calculates analysis chart；
Wherein, 1- tower bodies, 2- first layers cross-arm, 3- second layers cross-arm, 4- third layer cross-arm, 5- the 4th layer of cross-arm, 6- structures
Frame side ground wire strain hardware fitting string, 7- framework side wire tension-resistants insulator chain, 8- wire jumpers insulator chain, 9- jumper wire supports pipe, 10- lines
Trackside wire tension-resistant insulator chain, 11- terminal tower inlet wires conducting wire, 12- terminal towers outgoing conductor, 13- line sides ground wire strain insulator gold
Have string, 14- double-layer frames, 15- double-layer frames lower floor, 16- double-layer frames upper strata, 17- anchor supports.
Embodiment
The effect of to make to architectural feature of the invention and being reached, has a better understanding and awareness, to preferable
Embodiment and attached drawing coordinate detailed description, are described as follows：
As shown in figure 3, a kind of terminal anchor support for double-layer frame outlet of the present invention, including tower body 1, tower body
1 is sequentially installed with first layer cross-arm 2, second layer cross-arm 3, third layer cross-arm 4 and the 4th layer of cross-arm 5 from top to bottom, and first layer is horizontal
Load 2 shares cross-arm for ground wire and conducting wire, considers that inlet wire shelves span is typically small, thus ground wire and the requirement of upper conducting wire vertical interval compared with
It is small, it may be disposed so that one layer of cross-arm.
It is directed to for tower body 1, the cross-arm installed thereon can realize the installation suspension in two circuits, i.e., pacify in tower body 1
One side end of cross-arm of dress is used for a circuit and installs, and the cross-arm end side that tower body 1 is installed is used for another circuit and installs.
As shown in figure 4, the same side end of first layer cross-arm 2, second layer cross-arm 3 and third layer cross-arm 4 based on tower body 1 is mounted on structure
Frame side wire tension-resistant insulator chain 7, the quantity of framework side wire tension-resistant insulator chain 7 is 3, is used to the peace in same circuit
Dress.Second layer cross-arm 3, third layer cross-arm 4 and the 4th layer of same side end of the cross-arm 5 based on tower body 1 are mounted on line side and lead
Line strain insulator string 10, the quantity of line side wire strain insulator string 10 is also 3, similarly for same circuit
Installation.Framework side wire tension-resistant insulator chain 7 is located at the same side of tower body 1, i.e. structure with line side wire strain insulator string 10
Both frame side wire tension-resistant insulator chain 7 and line side wire strain insulator string 10, which cooperate, pacifies a circuit
Dress.
Framework side wire tension-resistant insulator chain 7 is installed in first layer cross-arm 2, second layer cross-arm 3 and third layer cross-arm 4
Terminal tower framework side, terminal tower framework side are first layer cross-arm 2, second layer cross-arm 3 and third layer cross-arm 4 and 14 phase of double-layer frame
To side.Terminal tower inlet wire conducting wire 11, i.e. first layer cross-arm 2, the second layer are mounted on framework side wire tension-resistant insulator chain 7
The terminal tower framework side of cross-arm 3 and third layer cross-arm 4 is used to the terminal tower inlet wire conducting wire 11 of installation double-layer frame 14.Line side
Wire tension-resistant insulator chain 10 is installed in the terminal tower line side of second layer cross-arm 3, third layer cross-arm 4 and the 4th layer of cross-arm 5,
Terminal tower line side is first layer cross-arm 2, second layer cross-arm 3 and third layer cross-arm 4 and 17 opposite side of anchor support.Lead in line side
Terminal tower outgoing conductor 12, i.e. first layer cross-arm 2, second layer cross-arm 3 and third layer are mounted on line strain insulator string 10
The terminal tower line side of cross-arm 4 is used to the terminal tower outgoing conductor 12 of installation anchor support 17.
The terminal tower inlet wire conducting wire 11 of first layer cross-arm 2 passes through wire jumper and the terminal tower outgoing conductor 12 of second layer cross-arm 3
It is connected, does not install wire tension-resistant string in the terminal tower line side of this first layer cross-arm 2, its terminal directly with second layer cross-arm 3
Tower line side is attached, hereby it is achieved that the staggered floor of first layer cross-arm 2 to second layer cross-arm 3 designs.Similarly, the second layer is horizontal
The terminal tower inlet wire conducting wire 11 of load 3 is connected by wire jumper with the terminal tower outgoing conductor 12 of third layer cross-arm 4, third layer cross-arm 4
Terminal tower inlet wire conducting wire 11 be connected by wire jumper with the terminal tower outgoing conductor 12 of the 4th layer of cross-arm 5.The end of 4th layer of cross-arm 5
Also without the design of cross-arm, it is only intended to coordinate and is designed with the staggered floor of third layer cross-arm 4 head tower framework side.Mistake in this way
Layer design so that four layer conductor cross-arm of terminal anchor support be respectively it is upper, in it is upper, under, lower four azimuth designs, add conducting wire
Between clearance space up and down, greatly improve Traverse phase-order arrangement the free degree.
In order to further increase the clearance space up and down between conducting wire, wire jumper can also be installed on first layer cross-arm 2 and hang
Hanging component, wire jumper suspension assembly is located at the same side of tower body 1 with framework side wire tension-resistant insulator chain 7, for coordinating framework side
Wire tension-resistant insulator chain 7 and line side wire strain insulator string 10.Wire jumper suspension assembly includes wire jumper insulator chain 8 and jumps
Line support tube 9, wire jumper insulator chain 8 are installed on the lower section of first layer cross-arm 2, and jumper wire support pipe 9 is installed on wire jumper insulator chain 8
Lower section, wherein the quantity of wire jumper insulator chain 8 can be 2.The terminal tower inlet wire conducting wire 11 of first layer cross-arm 2 passes through wire jumper
One end of jumper wire support pipe 9 is connected on, the terminal tower outgoing conductor 12 of second layer cross-arm 3 is connected on jumper wire support pipe 9 by wire jumper
The other end, by the design of jumper wire support pipe 9, meets wire jumper to tower body safe distance requirement.Similarly, in 3 He of second layer cross-arm
Third layer cross-arm 4 can also use the design of wire jumper suspension assembly.Can also be by first layer cross-arm 2, second layer cross-arm the 3, the 3rd
Layer cross-arm 4 and the 4th layer of cross-arm 5 are trapezoidal inverted structure, using the height of cross-arm itself, between further increase cross-arm
Distance up and down.
Ground wire installation is directed to, framework side ground wire strain hardware fitting string 6 and line side are installed on the top of first layer cross-arm 2
Ground wire strain hardware fitting string 13, first layer cross-arm 2 share cross-arm as ground wire with conducting wire.Framework side ground wire strain hardware fitting string 6, circuit
Side ground wire strain hardware fitting string 13 is located at the same side of tower body 1, framework side ground wire strain insulator with framework side wire tension-resistant insulator chain 7
Hardware string 6 is located at the terminal tower framework side of first layer cross-arm 2, and line side ground wire strain hardware fitting string 13 is located at first layer cross-arm 2
Terminal tower line side, ground wire are installed on framework side ground wire strain hardware fitting string 6 and line side ground wire strain insulator by traditional mounting means
On hardware string 13.
It is double-layer frame 14 in the terminal tower framework side of the present invention as shown in fig. 6, in actual use, double-layer frame 14
Double-layer frame lower floor 15 and double-layer frame upper strata 16 are equipped with, is anchor support 17 in the terminal tower line side of the present invention.According to double
Phase sequence design on layer framework 14, can be directed to and use different gage systems.By taking Fig. 6 as an example, institute in double-layer frame lower floor 15
Tower body 1 can be accessed by way of the prior art by connecing conducting wire (black line in Fig. 6).I.e. in the present invention, two based on tower body 1
Side can be designed using 4 layers of cross-arm staggered floor at the same time, can also side using staggered floor design, opposite side is as shown in figure 5, using existing
Three layers of cross-arm design in technology.Double-layer frame upper strata 16 picks out end according to its Signal Phase Design needs on double-layer frame upper strata 16
Head tower inlet wire conducting wire 11 (dotted line in Fig. 6) to first layer cross-arm 2, second layer cross-arm 3, third layer cross-arm 4, then staggered floor is connected to second
Layer cross-arm 3, third layer cross-arm 4 and the 4th layer of cross-arm 5, are picked out by second layer cross-arm 3, third layer cross-arm 4 and the 4th layer of cross-arm 5
Terminal tower outgoing conductor 12 is to anchor support 17.
For interfloor distance 7.0m, hanging point absolute altitude 14.0m, it is spaced apart as 2.5m~4.0m~4.0m~2.5m, every phase
Maximum tension is the 220kV double-layer frames 14 of 10kN, and quantity and ordering are spaced according to double-layer frame 14, and 2 are used with conducting wire
Exemplified by × JL/G1A-400/35, the inlet wire shelves that span is 80m.Conventional double-loop terminal tower calculates analysis such as Fig. 7 in the prior art
Shown, the same circuit is respectively mutually directly connected to framework individual layer, and the alternate hanging point distance of every layer of framework is consistent with routine, so same time
It is believed that meeting the requirements between the two-phase of road, it is only necessary to examine spacing between different circuit difference phase.
If the cross-arm abc on double-layer frame upper strata 16 is connected to DEF sides in existing terminal anchor support cross-arm Fig. 7, double-layer frame
15 cross-arm ABC of lower floor is connected to GHI sides in terminal anchor support cross-arm Fig. 7.
Through calculating, share AD-cI, BD-cI, AD-bI, AE-cI, AD-cH, AE-bI sequence symmetric position there may be
Problem.As shown in table 1,
Conventional double loop terminal does not meet situation checklist under 1 typical calculation of table
From calculated above, double-layer frame outlet, is arranged not using the phase sequence of conventional double-loop terminal tower larger area
Meet the requirements, the ratio of being unsatisfactory for reaches 55.6% (20/36).
As shown in figure 8, use outlet split connection, double-layer frame lower floor with four layers of cross-arm double-loop terminal tower of the present invention
15 3 are connected three-phase under terminal tower side, and double-layer frame upper strata 16 3 is connected three-phase on terminal tower side.
If the cross-arm abc on double-layer frame upper strata 16 is connected to the DEFG sides in Fig. 8 of the present invention, the cross-arm of double-layer frame lower floor 15
ABC is connected to the HJIK sides in Fig. 8.
It is unsatisfactory for requiring by calculating only aF-CI.As shown in table 2,
The terminal situation checklist of the present invention of table 2
Calculate and understand according to more than, during using four layers of cross-arm terminal tower, only aF-CI inlet wires shelves conducting wire phase spacing is unsatisfactory for
It is required that other phase sequences are satisfied by requiring, the arrangement flexibility of outlet phase sequence is greatly improved.And aF-CI inlet wire shelves conducting wires, it can pass through
Follow-up position-changing tension tower is realized.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent defines.
Claims (5)
1. a kind of terminal anchor support for double-layer frame outlet, including tower body（1）, it is characterised in that：The tower body（1）From
First layer cross-arm is sequentially installed with（2）, second layer cross-arm（3）, third layer cross-arm（4）With the 4th layer of cross-arm（5）, first
Layer cross-arm（2）, second layer cross-arm（3）With third layer cross-arm（4）Based on tower body（1）Same side end be mounted on framework side and lead
Line strain insulator string（7）, second layer cross-arm（3）, third layer cross-arm（4）With the 4th layer of cross-arm（5）Based on tower body（1）It is same
Side end is mounted on line side wire strain insulator string（10）, framework side wire tension-resistant insulator chain（7）Led with line side
Line strain insulator string（10）Positioned at tower body（1）The same side；
Framework side wire tension-resistant insulator chain（7）It is installed in first layer cross-arm（2）, second layer cross-arm（3）With third layer cross-arm
（4）Terminal tower framework side, framework side wire tension-resistant insulator chain（7）On be mounted on terminal tower inlet wire conducting wire（11）, circuit
Side wire tension-resistant insulator chain（10）It is installed in second layer cross-arm（3）, third layer cross-arm（4）With the 4th layer of cross-arm（5）End
Head tower line side, line side wire strain insulator string（10）On be mounted on terminal tower outgoing conductor（12）；
First layer cross-arm（2）Terminal tower inlet wire conducting wire（11）Pass through wire jumper and second layer cross-arm（3）Terminal tower outgoing conductor
（12）It is connected, second layer cross-arm（3）Terminal tower inlet wire conducting wire（11）Pass through wire jumper and third layer cross-arm（4）Terminal tower outlet
Conducting wire（12）It is connected, third layer cross-arm（4）Terminal tower inlet wire conducting wire（11）Pass through wire jumper and the 4th layer of cross-arm（5）Terminal tower
Outgoing conductor（12）It is connected.
A kind of 2. terminal anchor support for double-layer frame outlet according to claim 1, it is characterised in that：Further include peace
Mounted in first layer cross-arm（2）On wire jumper suspension assembly, wire jumper suspension assembly and framework side wire tension-resistant insulator chain（7）It is located at
Tower body（1）The same side；The wire jumper suspension assembly includes wire jumper insulator chain（8）With jumper wire support pipe（9）, wire jumper insulation
Substring（8）Installed in first layer cross-arm（2）Lower section, jumper wire support pipe（9）Installed in wire jumper insulator chain（8）Lower section,
One layer of cross-arm（2）Terminal tower inlet wire conducting wire（11）Jumper wire support pipe is connected on by wire jumper（9）One end, second layer cross-arm（3）
Terminal tower outgoing conductor（12）Jumper wire support pipe is connected on by wire jumper（9）The other end.
A kind of 3. terminal anchor support for double-layer frame outlet according to claim 1, it is characterised in that：Described
One layer of cross-arm（2）, second layer cross-arm（3）, third layer cross-arm（4）With the 4th layer of cross-arm（5）It is trapezoidal inverted structure.
A kind of 4. terminal anchor support for double-layer frame outlet according to claim 1, it is characterised in that：Described
One layer of cross-arm（2）Top framework side ground wire strain hardware fitting string is installed（6）With line side ground wire strain hardware fitting string（13）, framework
Side ground wire strain hardware fitting string（6）, line side ground wire strain hardware fitting string（13）With framework side wire tension-resistant insulator chain（7）It is located at
Tower body（1）The same side, framework side ground wire strain hardware fitting string（6）Positioned at first layer cross-arm（2）Terminal tower framework side, line side
Ground wire strain hardware fitting string（13）Positioned at first layer cross-arm（2）Terminal tower line side.
A kind of 5. terminal anchor support for double-layer frame outlet according to claim 2, it is characterised in that：The wire jumper
Insulator chain（8）Quantity be 2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740019.9A CN106150177B (en) | 2016-08-26 | 2016-08-26 | A kind of terminal anchor support for double-layer frame outlet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740019.9A CN106150177B (en) | 2016-08-26 | 2016-08-26 | A kind of terminal anchor support for double-layer frame outlet |
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| CN106150177A CN106150177A (en) | 2016-11-23 |
| CN106150177B true CN106150177B (en) | 2018-05-11 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923278B (en) * | 2018-09-29 | 2024-03-08 | 国家电网有限公司 | Sail type multilayer combined framework outgoing line structure of 330kV outdoor GIS power distribution device |
| CN109301740B (en) * | 2018-10-26 | 2023-10-24 | 国网浙江省电力有限公司经济技术研究院 | Double-layer framework double-outgoing-line structure for outgoing line interval of transformer substation |
| CN109286168B (en) * | 2018-10-26 | 2023-04-18 | 国网浙江省电力有限公司经济技术研究院 | Double-outlet arrangement mode of double-layer framework of outlet intervals of transformer substation |
| CN110374389A (en) * | 2019-07-05 | 2019-10-25 | 江苏神马电力股份有限公司 | A kind of angle tower |
| CN115324411A (en) * | 2022-08-05 | 2022-11-11 | 中国三峡新能源(集团)股份有限公司 | Wind-powered electricity generation field 35kV current collection circuit T connects tower |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201191742Y (en) * | 2008-05-05 | 2009-02-04 | 河南省电力勘测设计院 | AC dual looped single column combined anchor tower |
| KR101018845B1 (en) * | 2008-09-17 | 2011-03-04 | 한국전력공사 | Iron tower for power transmission |
| CN201430398Y (en) * | 2009-06-19 | 2010-03-24 | 河南省电力勘测设计院 | Three-column position-changing tension tower |
| CN203603578U (en) * | 2013-11-22 | 2014-05-21 | 国家电网公司 | Extra-high-voltage double-loop tension support |
| CN206016400U (en) * | 2016-08-26 | 2017-03-15 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of terminal anchor support for double-layer frame outlet |
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