CN205908091U - Exchange two tangent towers that return - Google Patents
Exchange two tangent towers that return Download PDFInfo
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- CN205908091U CN205908091U CN201620541203.6U CN201620541203U CN205908091U CN 205908091 U CN205908091 U CN 205908091U CN 201620541203 U CN201620541203 U CN 201620541203U CN 205908091 U CN205908091 U CN 205908091U
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Abstract
The utility model discloses an exchange two tangent towers that return belongs to iron tower technical field for the transmission line. This exchange two tangent towers that return includes first sub - tower, second zi ta, four first insulation substrings and two the 2nd insulator chain, the sub - tower of first sub - tower and second all includes body of the tower, two wire cross arms and ground wire frame. The utility model discloses an ultrahigh voltage alternating current transmission lines's wire is established to the sub - pylon of first sub - tower and second, and the high pressure heater that exhales who highly equals the iron tower of its iron tower goes up the distance between two wire cross arms of first sub - tower or the sub - tower of second, and is should the current umbrella -type tangent tower of height low, and then can alleviate the weight of iron tower, reduces the wind load of iron tower, the security that improves the circuit.
Description
Technical field
The utility model is related to steel tower technical field used for transmission line, particularly to a kind of exchange double back tangent tower.
Background technology
Ultrahigh voltage alternating current transmission lines refers to convey the circuit of electric energy, its mesh using 1000 kilovolts and above electric pressure
Be the ability to transmit electricity improving electrical network, realize powerful in, long distance power transmission, and it is mutual to realize remote power system
Connection, builds up pool.The load of wire in ultrahigh voltage alternating current transmission lines, is undertaken using umbrella shape tangent tower.
Existing umbrella shape tangent tower includes tower body, six wire cross-arms, six i type insulator chains and earth wire rack, leads for six
Line cross-arm and six i type insulator chains are divided into two groups, two groups of tower body axisymmetrical settings relatively, every group of three wire horizontal strokes including
Load is successively set on tower body from top to bottom, and three i type insulator chains are hung in the end of three wire cross-arms, umbrella shape straight line
The height of exhaling that the tower height of tower is equal to umbrella shape tangent tower adds the difference in height between three layer conductor cross-arms.Wherein, the end of wire cross-arm
Guide line cross-arm one end away from tower body, wire cross-arm near one end of tower body be wire cross-arm root, steel tower exhale height
Namely the orlop wire cross-arm of steel tower arrives the distance between ground.
During realizing the utility model, inventor find prior art at least there is problems in that
Ultrahigh voltage alternating current transmission lines carry out long distance powedr transmission often can by way of the severe area of meteorological condition, such as Xinjiang,
The larger area of the wind speed such as Qinghai or the serious area of sleet disaster, now, the tower height of existing umbrella shape tangent tower exhales height equal to it
Plus the difference in height between three layer conductor cross-arms, the height of steel tower is higher, heavier-weight, and wind load is larger, and line security is relatively
Low.
Utility model content
In order to solve existing umbrella shape tangent tower for wind speed is larger or sleet disaster is serious regional when, because umbrella shape is straight
The height of transmission tower is higher, heavier-weight, and wind load is larger, the relatively low problem of line security, and the utility model embodiment provides
A kind of exchange double back tangent tower.Described technical scheme is as follows:
A kind of exchange double back tangent tower, described exchange double back tangent tower includes: the first sub- tower, the second Zi Ta, four first
Insulator chain and two the second insulator chains, described first sub- tower and described second sub- tower are respectively provided with an individual basis；
Described first sub- tower and described second sub- tower all include tower body, two wire cross-arms and earth wire rack；
The tower body that two wire cross-arms of described first sub- tower are sequentially fixed at the described first sub- tower from top to bottom deviates from institute
State on the side of the second sub- tower, and the side wire of the first sub- tower is respectively equipped with two wire cross-arms of described first sub- tower and hang
Point, two the first insulator chains in described four the first insulator chains hang over institute by the side conducting wire hanging point of the described first sub- tower
State on two wire cross-arms of the first sub- tower, the side relative with the described second sub- tower of the tower body of described first sub- tower is provided with
The middle conducting wire hanging point of two the first sub- towers, the earth wire rack of described first sub- tower is arranged on two wire cross-arms of the described first sub- tower
In on wire cross-arm above；
The tower body that two wire cross-arms of described second sub- tower are sequentially fixed at the described second sub- tower from top to bottom deviates from institute
State on the side of the first sub- tower, and the side wire of the second sub- tower is respectively equipped with two wire cross-arms of described second sub- tower and hang
Point, the side conducting wire hanging point that two other first insulator chain in described four the first insulator chains passes through the described second sub- tower is hung
On two wire cross-arms of the described second sub- tower, on the side relative with the described first sub- tower of the tower body of described second sub- tower
It is provided with the middle conducting wire hanging point of two the second sub- towers, the earth wire rack of described second sub- tower is arranged on two wires of the described second sub- tower
On wire cross-arm above in cross-arm；
One end of described two second insulator chains hangs over institute by the middle conducting wire hanging point of two described first sub- towers respectively
State on the tower body of the first sub- tower, the other end hangs over the described second sub- tower by the middle conducting wire hanging point of two described second sub- towers respectively
Tower body on.
Further, the earth wire rack of described first sub- tower is arranged in two wire cross-arms of the described first sub- tower positioned at upper
The end of the wire cross-arm of side, and the earth wire rack of described first sub- tower is provided with ground wire hanging point；
The earth wire rack of described second sub- tower is arranged on wire above in two wire cross-arms of the described second sub- tower
The end of cross-arm, and the earth wire rack of described second sub- tower is provided with ground wire hanging point.
Specifically, the ground wire lightning protection angle of described first sub- tower and described second sub- tower is all higher than or is equal to 5 degree.
Specifically, the tower body of the tower body of described first sub- tower and described second sub- tower is variable section structure, and described
Area of section all becomes big to the tower body of the tower body of one sub- tower and described second sub- tower successively from top to bottom.
Specifically, described four the first insulator chains are i type insulator chain, and the side conducting wire hanging point of described first sub- tower
It is arranged on the end of two wire cross-arms of the described first sub- tower, the side conducting wire hanging point of described second sub- tower is arranged on described second
The end of two wire cross-arms of sub- tower.
Specifically, described four the first insulator chains are l type insulator chain, and the side conducting wire hanging point of described first sub- tower sets
Put in the end of two wire cross-arms of the described first sub- tower and root, the side conducting wire hanging point of described second sub- tower is arranged on described
The end of two wire cross-arms of the second sub- tower and root.
Specifically, described two second insulator chains are V-shaped insulator chain.
Specifically, described first sub- tower and described second sub- tower are angle steel type tangent tower.
Specifically, described first sub- tower and described second sub- tower are steel pipe type tangent tower.
Specifically, described first sub- tower and described second sub- tower are steel pipe and angle steel mixed type tangent tower.
The technical scheme that the utility model embodiment provides has the benefit that
The utility model sets the wire of ultrahigh voltage alternating current transmission lines, wherein, four by the first sub- tower and the second sub- pylon
Individual first insulator chain and two the second insulator chains are connected with the wire of ultrahigh voltage alternating current transmission lines, and four first insulation
Two the first insulator chains in substring are hung on two wire cross-arms of the first sub- tower, in four the first insulator chains
Two other first insulator chain is hung in each on two wire cross-arms of the second sub- tower, in two the second insulator chains
One end of second insulator chain hangs on the tower body of the first sub- tower, and the other end accordingly hangs on the tower body of the second sub- tower, its iron
The height of exhaling that the height of tower is equal to steel tower adds the distance between two wire cross-arms of the first sub- tower or the second sub- tower, and this is highly relatively
Existing umbrella shape tangent tower is low, and then can mitigate the weight of steel tower, reduces the wind load of steel tower, improves the security of circuit.
Brief description
In order to be illustrated more clearly that the technical scheme in the utility model embodiment, below will be to required in embodiment description
Accompanying drawing to be used be briefly described it should be apparent that, drawings in the following description are only that of the present utility model some are real
Apply example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the exchange double back tangent tower that the utility model embodiment provides；
Fig. 2 is the structural representation of the first sub- tower that the utility model embodiment provides；
Fig. 3 is the structural representation of the second sub- tower that the utility model embodiment provides.
Wherein:
1 first sub- tower,
The tower body of 11 first sub- towers, the middle conducting wire hanging point of 111 first sub- towers,
The wire cross-arm of 12 first sub- towers, the side conducting wire hanging point of 121 first sub- towers,
The earth wire rack of 13 first sub- towers, the ground wire hanging point of 131 first sub- towers,
2 second sub- towers,
The tower body of 21 second sub- towers, the middle conducting wire hanging point of 211 second sub- towers,
The wire cross-arm of 22 second sub- towers, the side conducting wire hanging point of 221 second sub- towers,
The earth wire rack of 23 second sub- towers, the ground wire hanging point of 231 second sub- towers,
3 first insulator chains,
The electric clearance garden of 4 side wires,
5 second insulator chains,
The electric clearance garden of wire in 6,
The ground wire lightning protection angle of the sub- tower of α first,
The ground wire lightning protection angle of the sub- tower of γ second.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
As shown in figure 1, and illustrate with reference to Fig. 2 and Fig. 3, it is straight that the utility model embodiment provides a kind of exchange double back
Transmission tower, this exchange double back tangent tower includes: the first sub- tower 1, second sub- 2, four the first insulator chains 3 of tower and two second insulation
Substring 5, the first sub- tower 1 and the second sub- tower 2 are respectively provided with an individual basis；
First sub- tower 1 and the second sub- tower 2 all include tower body, two wire cross-arms and earth wire rack；
The tower body 11 that two wire cross-arms 12 of the first sub- tower are sequentially fixed at the first sub- tower from top to bottom deviates from the second son
On the side of tower 2, and the side conducting wire hanging point 121 of the first sub- tower is respectively equipped with two wire cross-arms 12 of the first sub- tower, four
Two the first insulator chains 3 in first insulator chain 3 hang over the two of the first sub- tower by the side conducting wire hanging point 121 of the first sub- tower
On individual wire cross-arm 12, the side relative with the second sub- tower 2 of the tower body 11 of the first sub- tower is provided with two the first sub- towers
Conducting wire hanging point 111, the earth wire rack 13 of the first sub- tower is arranged on wire above in two wire cross-arms 12 of the first sub- tower
On cross-arm 12；
The tower body 21 that two wire cross-arms 22 of the second sub- tower are sequentially fixed at the second sub- tower from top to bottom deviates from the first son
On the side of tower 1, and the side conducting wire hanging point 221 of the second sub- tower is respectively equipped with two wire cross-arms 22 of the second sub- tower, four
Two other first insulator chain 3 in first insulator chain 3 hangs over the second sub- tower by the side conducting wire hanging point 221 of the second sub- tower
Two wire cross-arms 22 on, the side relative with the first sub- tower 1 of the tower body 21 of the second sub- tower is provided with two the second sub- towers
Middle conducting wire hanging point 221, the earth wire rack 23 of the second sub- tower is arranged on above in two wire cross-arms 22 of the second sub- tower
On wire cross-arm 22；
One end of two the second insulator chains 5 hangs over the first son by the middle conducting wire hanging point 111 of two the first sub- towers respectively
On the tower body 11 of tower, the other end is hung on the tower body 21 of the second sub- tower by the middle conducting wire hanging point 221 of two the second sub- towers respectively.
In the utility model embodiment, the tower body 11 that the wire cross-arm 12 of the first sub- tower is arranged on the first sub- tower deviates from
On the side of two sub- towers 2, the wire cross-arm 12 of the first sub- tower is provided with side conducting wire hanging point, two in four the first insulator chains 3
One end of individual first insulator chain 3 is hung on the first sub- tower 1 by the side conducting wire hanging point 121 of the first sub- tower, by this two the
One insulator chain 3 connects two-phase side wire, and the distance between two wire cross-arms 12 of the first sub- tower are more than the electric of side wire
The diameter in gap garden 4；The tower body 11 of the first sub- tower is provided with middle conducting wire hanging point near the side of the second sub- tower 2, and the second sub- tower
Tower body 21 is provided with the second sub- tower corresponding with the middle conducting wire hanging point 111 of the first sub- tower near the side of the first sub- tower 1 and leads
Line hanging point 221, one end of two the second insulator chains 5 hangs over the tower of the first sub- tower by the middle conducting wire hanging point 111 of the first sub- tower
On body 11, the other end is hung on the tower body 21 of the second sub- tower by the middle conducting wire hanging point 221 of the second sub- tower, second exhausted by two
Edge substring 5 connects wire in two-phase, in the distance between middle conducting wire hanging point 111 of two the first sub- towers or two the second sub- towers
The distance between conducting wire hanging point 221 is more than the diameter in the electric clearance garden 6 of middle wire, and the tower body 11 of the first sub- tower and the second son
The distance between relative side of the tower body 21 of tower is more than the diameter in the electric clearance garden 6 of middle wire；The wire of the second sub- tower is horizontal
Load 22 is arranged on the tower body 21 of the second sub- tower side away from the first sub- tower 1, and the wire cross-arm 22 of the second sub- tower is provided with side
Conducting wire hanging point, the side wire of the second sub- tower is passed through in one end of two other the first insulator chain 3 in four the first insulator chains 3
Hanging point 221 hangs on the second sub- tower 2, connects other two-phase side wire by this two the first insulator chains 3, and the second sub- tower
The distance between two wire cross-arms 22 are more than the diameter in the electric clearance garden 4 of side wire, and wherein, the side hanging over the first sub- tower is led
A phase conductor above, the two-phase hanging on the first sub- tower 1 and the second sub- tower 2 in two-phase side wire on line hanging point 121
In wire a phase conductor above with hang over above in the wire in the two-phase on conducting wire hanging point 221 of the second sub- tower
A phase conductor constitute a loop, remaining two-phase side wire and wire in a phase constitute another loop, realize with tower pair
Return.
Wherein, side wire refers to the wire positioned at the first sub- tower 1 and the second sub- tower 2 outside, and middle wire refers to positioned at first
Wire between sub- tower 1 and the second sub- tower 2.
It will be understood by those skilled in the art that the height of steel tower to be equal to exhaling of steel tower high plus the superiors' wire cross-arm and
The distance between lower layer conductor cross-arm, in steel tower design process, the height of exhaling of the steel tower in a certain section is often definite value, therefore goes up most
The distance between layer conductor cross-arm and orlop wire cross-arm become the deciding factor of impact steel tower height, in the utility model
In embodiment, due to two wire cross-arms, its superiors' wire cross-arm and the most only being arranged on the first sub- tower 1 and the second sub- tower 2
The distance between lower layer conductor cross-arm is less, therefore relatively existing umbrella shape tangent tower, it can reduce the height of steel tower, and then reduces
The weight of steel tower, reduces the wind load of steel tower, improves the security of circuit.
The utility model passes through the first sub- tower 1 and the second sub- tower 2 sets up the wire of ultrahigh voltage alternating current transmission lines, wherein,
Four the first insulator chains 3 and two the second insulator chains 5 are connected with the wire of ultrahigh voltage alternating current transmission lines, and four first
Two the first insulator chains 3 in insulator chain 3 are hung on two wire cross-arms 12 of the first sub- tower, four first insulation
Two other first insulator chain 3 in substring 3 is hung on two wire cross-arms 22 of the second sub- tower, two second insulation
One end of each the second insulator chain 5 in substring 5 hangs on the tower body 11 of the first sub- tower, and the other end accordingly hangs over the second son
On the tower body 21 of tower, what the height of its steel tower was equal to steel tower exhales high two wire cross-arms plus the sub- tower of the first sub- tower 1 or the second
The distance between 22, this more existing umbrella shape tangent tower of height is low, and then can mitigate the weight of steel tower, reduces the wind load of steel tower,
Improve the security of circuit.
As shown in figure 1, the earth wire rack 13 of the first sub- tower be arranged on above in two wire cross-arms 12 of the first sub- tower
Wire cross-arm end, and the earth wire rack 13 of the first sub- tower is provided with ground wire hanging point；
The earth wire rack 23 of the second sub- tower is arranged on wire cross-arm above in two wire cross-arms 22 of the second sub- tower
End, and the earth wire rack 23 of the second sub- tower is provided with ground wire hanging point.
In the utility model embodiment, by the earth wire rack 23 of the earth wire rack 13 of the first sub- tower and the second sub- tower in suspension
Line, it is to avoid thunderbolt wire is it is ensured that the security of circuit.
As shown in Figures 2 and 3, the ground wire lightning protection angle of the first sub- tower 1 and the second sub- tower 2 is all higher than or is equal to 5 degree.
As shown in Fig. 2 the ground wire lightning protection angle α of the first sub- tower 1 was the plumb line of the ground wire hanging point 131 of the first sub- tower
With the ground wire hanging point 131 of the first sub- tower and be suspended on the first sub- tower two wire cross-arms 12 in underlying wire cross-arm 12
On the minimum point of the first insulator chain 3 between line angle, as shown in figure 3, the ground wire lightning protection angle of the second sub- tower 2
γ was the plumb line of ground wire hanging point 231 of the second sub- tower to be led with two of the ground wire hanging point 231 of the second sub- tower and the second sub- tower
Angle between the line of minimum point of the first insulator chain 3 hanging on underlying wire cross-arm 23 in line cross-arm 22.
It is all higher than by the ground wire lightning protection angle α of the first sub- tower 1 and the ground wire lightning protection angle γ of the second sub- tower 2 or is equal to 5 degree, keep away
Exempt from thunderbolt ultrahigh voltage alternating current transmission lines it is ensured that the wire safety that is erected on the first sub- tower 1 and the second sub- tower 2.
As shown in figure 1, the tower body 21 of the tower body 11 of the first sub- tower and the second sub- tower is variable section structure, and the first sub- tower
Tower body 11 and the tower body 21 of the second sub- tower area of section all becomes big successively from top to bottom.
In the present embodiment, cut the tower body of the first sub- tower 1 and the second sub- tower 2 with horizontal plane, the tower body of the first sub- tower can be obtained
11 and second the tower body 21 of sub- tower be variable section structure, and the tower body 11 of the first sub- tower and the tower body 21 of the second sub- tower are from up to
Down cross-sectional amasss and all becomes greatly so that the first sub- tower 1 and the second sub- tower 2 reasonable stress successively, safe and reliable.
As shown in figure 1, in the utility model embodiment, four the first insulator chains 3 are i type insulator chain, and the
The side conducting wire hanging point 121 of one sub- tower is arranged on the end of two wire cross-arms 12 of the first sub- tower, and the side wire of the second sub- tower is hung
Point 221 is arranged on the end of two wire cross-arms 22 of the second sub- tower.
In the utility model embodiment, the cost of i type insulator chain is relatively low, and investigative technique is ripe, the first insulator
String 3 is i type insulator chain, can reduce the construction cost of transmission line of electricity.Four the first insulator chains 3 are separately positioned on the first sub- tower
Wire cross-arm 12 end and the second sub- tower wire cross-arm 22 end, the width in control circuit corridor.Wherein, line corridor
Width refers specifically to the maximum horizontal range in the wire cross-arm of steel tower between the symmetrical end of wire cross-arm of any two.
Referring to Fig. 1, in the utility model embodiment, four the first insulator chains 3 also can be l type insulator chain, the
The side conducting wire hanging point 121 of one sub- tower is arranged on the end of two wire cross-arms 12 and the root of the first sub- tower, the side of the second sub- tower
Conducting wire hanging point 221 is arranged on the end of two wire cross-arms 22 and the root of the second sub- tower.
Four the first insulator chains 3 are l type insulator chain, reduce the line corridor width of ultrahigh voltage alternating current transmission lines
Degree, reduces line cost.Certainly, skilled person will appreciate that, four the first insulator chains 3 can be also V-shaped insulator chain.
As shown in figure 1, in the utility model embodiment, two the second insulator chains 5 are V-shaped insulator chain, reduce
Wire horizontal spacing, shortens line corridor width, certainly, skilled person will appreciate that, two the second insulator chains 5 also may be used
For l type insulator chain.
In the utility model embodiment, the first sub- tower 1 and the second sub- tower 2 are angle steel type tangent tower, and structure is simple, plus
Work is easily manufactured, and rigidity is preferable.Certainly, the first sub- tower 1 and the second sub- tower 2 also can be for steel pipe type tangent tower so that the first sub- towers 1
Less with the blast of the second sub- tower 2, the radius of gyration is larger, and structural-load-carrying capacity is stronger, also can reduce rod member quantity simultaneously, shortens
Build the tower cycle it is easy to structure diversification.First sub- tower 1 and the second sub- tower 2 can be also steel pipe and angle steel mixed type tangent tower, structure
Rigidity preferably, bearing capacity relatively strong it is easy to structure diversification.
Using the utility model provide the split type tangent tower of extra-high voltage compared with existing umbrella shape tangent tower, in line corridor
On the premise of width increases by 15～18 meters, tower height can reduce by 10～15 meters, the tower weight sum ratio of the first sub- tower 1 and the second sub- tower 2
Existing umbrella shape tangent tower reduces by 3%～5%.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of exchange double back tangent tower is it is characterised in that described exchange double back tangent tower includes: the first sub- tower, the second sub- tower,
Four the first insulator chains and two the second insulator chains, described first sub- tower and described second sub- tower are separately positioned on respective
On the basis of；
Described first sub- tower and described second sub- tower all include tower body, two wire cross-arms and earth wire rack；
The tower body that two wire cross-arms of described first sub- tower are sequentially fixed at the described first sub- tower from top to bottom deviates from described
On the side of two sub- towers, and the side conducting wire hanging point of the first sub- tower is respectively equipped with two wire cross-arms of described first sub- tower, institute
Two the first insulator chains stated in four the first insulator chains hang over described by the side conducting wire hanging point of the described first sub- tower
On two wire cross-arms of one sub- tower, the side relative with the described second sub- tower of the tower body of described first sub- tower is provided with two
The middle conducting wire hanging point of the first sub- tower, the earth wire rack of described first sub- tower is arranged on two wire cross-arm middle positions of the described first sub- tower
On the wire cross-arm of top；
The tower body that two wire cross-arms of described second sub- tower are sequentially fixed at the described second sub- tower from top to bottom deviates from described
On the side of one sub- tower, and the side conducting wire hanging point of the second sub- tower is respectively equipped with two wire cross-arms of described second sub- tower, institute
Two other first insulator chain stated in four the first insulator chains hangs over institute by the side conducting wire hanging point of the described second sub- tower
State on two wire cross-arms of the second sub- tower, the side relative with the described first sub- tower of the tower body of described second sub- tower is provided with
The middle conducting wire hanging point of two the second sub- towers, the earth wire rack of described second sub- tower is arranged on two wire cross-arms of the described second sub- tower
In on wire cross-arm above；
One end of described two second insulator chains hangs over described by the middle conducting wire hanging point of two described first sub- towers respectively
On the tower body of one sub- tower, the other end hangs over the tower of the described second sub- tower respectively by the middle conducting wire hanging point of two described second sub- towers
With.
2. exchange double back tangent tower according to claim 1 is it is characterised in that the earth wire rack of described first sub- tower is arranged on
On the end of wire cross-arm above, and the earth wire rack of described first sub- tower in two wire cross-arms of described first sub- tower
It is provided with ground wire hanging point；
The earth wire rack of described second sub- tower is arranged on wire cross-arm above in two wire cross-arms of the described second sub- tower
End, and the earth wire rack of described second sub- tower is provided with ground wire hanging point.
3. exchange double back tangent tower according to claim 2 is it is characterised in that described first sub- tower and described second sub- tower
Ground wire lightning protection angle be all higher than or be equal to 5 degree.
4. exchange double back tangent tower according to claim 1 is it is characterised in that the tower body of described first sub- tower and described the
The tower body of two sub- towers is variable section structure, and the tower body of the tower body of described first sub- tower and described second sub- tower cuts from top to bottom
Face area all becomes big successively.
5. exchange double back tangent tower according to claim 1 is it is characterised in that described four the first insulator chains are i
Type insulator chain, and the side conducting wire hanging point of described first sub- tower is arranged on the end of two wire cross-arms of the described first sub- tower,
The side conducting wire hanging point of described second sub- tower is arranged on the end of two wire cross-arms of the described second sub- tower.
6. exchange double back tangent tower according to claim 1 is it is characterised in that described four the first insulator chains are l
Type insulator chain, the side conducting wire hanging point of described first sub- tower is arranged on the end of two wire cross-arms and the root of the described first sub- tower
Portion, the side conducting wire hanging point of described second sub- tower is arranged on the end of two wire cross-arms and the root of the described second sub- tower.
7. exchange double back tangent tower according to claim 1 is it is characterised in that described two second insulator chain is v
Type insulator chain.
8. the exchange double back tangent tower according to claim 1-7 any one claim is it is characterised in that described first is sub
Tower and described second sub- tower are angle steel type tangent tower.
9. the exchange double back tangent tower according to claim 1-7 any one claim is it is characterised in that described first is sub
Tower and described second sub- tower are steel pipe type tangent tower.
10. the exchange double back tangent tower according to claim 1-7 any one claim is it is characterised in that described first
Sub- tower and described second sub- tower are steel pipe and angle steel mixed type tangent tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541203.6U CN205908091U (en) | 2016-06-06 | 2016-06-06 | Exchange two tangent towers that return |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541203.6U CN205908091U (en) | 2016-06-06 | 2016-06-06 | Exchange two tangent towers that return |
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| Publication Number | Publication Date |
|---|---|
| CN205908091U true CN205908091U (en) | 2017-01-25 |
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ID=57814960
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620541203.6U Active CN205908091U (en) | 2016-06-06 | 2016-06-06 | Exchange two tangent towers that return |
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| CN (1) | CN205908091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816245A (en) * | 2017-12-01 | 2018-03-20 | 绍兴大明电力设计院有限公司 | Transmission line of electricity Petronas Towers |
-
2016
- 2016-06-06 CN CN201620541203.6U patent/CN205908091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816245A (en) * | 2017-12-01 | 2018-03-20 | 绍兴大明电力设计院有限公司 | Transmission line of electricity Petronas Towers |
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