CN208251779U - A kind of exchange double back transmission line tangent tower - Google Patents
A kind of exchange double back transmission line tangent tower Download PDFInfo
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- CN208251779U CN208251779U CN201820451763.1U CN201820451763U CN208251779U CN 208251779 U CN208251779 U CN 208251779U CN 201820451763 U CN201820451763 U CN 201820451763U CN 208251779 U CN208251779 U CN 208251779U
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- insulator chain
- type insulator
- hanging point
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Abstract
The utility model discloses a kind of exchange double back transmission line tangent towers, belong to steel tower technical field used for transmission line.The tangent tower includes tower body, tower head and earth wire rack, wherein tower head has the closed space being made of truss.Exchange double back transmission line tangent tower provided by the embodiment of the utility model, pass through the V-type insulator chain that is staggered in the tower head with closed space (upper V-type insulator chain, middle V-type insulator chain and lower V-type insulator chain), concentrate the distribution for the conducting wire hanging point being arranged on V-type insulator chain more, reduce the distance of each conducting wire hanging point (upper conducting wire hanging point, middle conducting wire hanging point and lower wire hanging point) in vertical direction, so as to shorten the height of tangent tower, reduce consumptive material, mitigate tower body weight, reduces the cost expense of tower list base and base concrete.
Description
Technical field
The utility model relates to steel tower technical field used for transmission line, in particular to a kind of exchange double back transmission line straight line
Tower.
Background technique
Tangent tower is a kind of important steel tower used for transmission line, is mainly used for carrying the gravity of conducting wire.
Currently, the tower of the tangent tower for exchanging double back transmission line is umbrella shape tower or cydariform tower.As shown in Figure 1, existing
Some exchange double back tangent towers include: tower body 1a, and the three conducting wire cross-arm 2a set gradually downwards from the top of tower body 1a, three are led
Line cross-arm 2a is parallel to each other, and the distance between two neighboring conducting wire cross-arm 2a can accommodate conductor spacing circle 6a.It leads the top
The both ends of line cross-arm 2a are additionally provided with earth wire rack 3a.Two ends of each conducting wire cross-arm are provided with conducting wire hanging point 5a, each
The insulator chain 4a of I type is hung at conducting wire hanging point 5a.Three insulator chain 4a of the exchange double back tangent tower side, which are hung, to be handed over
Flow three conducting wires on a loop line road in double loop, another loop line road in three insulator chain 4a suspension exchange double loop of the other side
Three conducting wires, that is, exchange the two circuit upper, middle and lower two loop lines Lu Juncheng three-phase and arrange vertically.
The inventor finds that the existing technology has at least the following problems:
The distance of conducting wire hanging point in vertical direction on the existing tangent tower side for exchanging double back transmission line
Farther out, so that the height of tangent tower is higher, tower body is heavier, and then keeps the cost of tower list base and base concrete higher.
Utility model content
The utility model provides a kind of exchange double back transmission line tangent tower, can solve above-mentioned technical problem.
Specifically, including technical solution below:
A kind of exchange double back transmission line tangent tower, comprising:
Tower body；
It is fixed on the tower head on the top of the tower body, the tower head has the closed space being made of truss, and described closes
Close the two sides that space symmetr is distributed in the tower body；With
It is symmetricly set on the tower body two sides and conducting wire hanging point in a pair for being located in the closed space, leads in one pair
Line hanging point and a pair of of lower wire hanging point；
Wherein, the upper conducting wire hanging point is arranged on upper V-type insulator chain, one end of the upper V-type insulator chain and institute
Tower body connection is stated, the other end is connect with the tower head；
The middle conducting wire hanging point is arranged on middle V-type insulator chain, one end of the middle V-type insulator chain with it is described on lead
The connection of line hanging point, the other end are connect with the tower head；
The lower wire hanging point is arranged on lower V-type insulator chain, one end of the lower V-type insulator chain and the tower body
Connection, the other end are connect with the middle conducting wire hanging point；
And it is symmetricly set on the earth wire rack on the tower head.
In a kind of possible design, the tower head includes the first truss, the second truss and third being sequentially connected end to end
Truss, first truss, second truss and the third truss form the closed space；Wherein,
First truss is fixed on the top of the tower body, and second truss and the third truss are located at the tower
The two sides of body；And the interconnecting piece of second truss and the third truss is fixed on the tower body.
In a kind of possible design, first truss is in the arcuation that raises upward, second truss and described the
Three truss are linearly.
In a kind of possible design, first truss, second truss and the third truss are in upward convex
The arcuation risen.
In a kind of possible design, the upper V-type insulator chain, the middle V-type insulator chain and the lower V-type insulation
The angle of substring is 80 ° -100 °.
In a kind of possible design, the upper V-type insulator chain, the middle V-type insulator chain and the lower V-type insulation
The angle of substring is 90 °.
In a kind of possible design, the tower body is lattice truss or steel pipe pole.
In a kind of possible design, the cross-sectional area of the tower body is gradually reduced from bottom to top.
The beneficial effect of technical solution provided by the embodiment of the utility model is: exchange provided by the embodiment of the utility model
Double back transmission line tangent tower passes through the V-type insulator chain that is staggered in the tower head with closed space (upper V-type insulator
String, middle V-type insulator chain and lower V-type insulator chain), collect the distribution for the conducting wire hanging point being arranged on V-type insulator chain more
In, each conducting wire hanging point on tangent tower side (upper conducting wire hanging point, middle conducting wire hanging point and lower wire hanging point) is reduced in vertical direction
On distance reduce consumptive material so as to shorten the height of tangent tower, mitigate tower body weight, reduce tower list base and basic coagulation
The cost expense of soil.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of existing exchange double back tangent tower；
Fig. 2 is the structural schematic diagram for the transmission line tangent tower that an embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram for the transmission line tangent tower that another embodiment of the utility model provides.
Appended drawing reference in figure respectively indicates:
1- tower body；
2- tower head；The first truss of 21-；The second truss of 22-；23- third truss；
3- conducting wire hanging point；The upper conducting wire hanging point of 31-；Conducting wire hanging point in 32-；33- lower wire hanging point；
4-V type insulator chain；The upper V-type insulator chain of 41-；V-type insulator chain in 42-；V-type insulator chain under 43-；
5- earth wire rack；51- ground wire hanging point；
6- electric clearance circle；
The tower body of the existing exchange double back tangent tower of 1a-；
The conducting wire cross-arm of the existing exchange double back tangent tower of 2a-；
The earth wire rack of the existing exchange double back tangent tower of 3a-；
The insulator chain of the existing exchange double back tangent tower of 4a-；
The conducting wire hanging point of the existing exchange double back tangent tower of 5a-；
The conductor spacing circle of the existing exchange double back tangent tower of 6a-.
Specific embodiment
To keep the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with attached drawing
Mode is described in further detail.
The utility model embodiment provides a kind of exchange double back transmission line tangent tower, referring to fig. 2 and shown in 3, the friendship
Flowing double back transmission line tangent tower includes:
Tower body 1；
It is fixed on the tower head 2 on the top of tower body 1, tower head 2 has the closed space being made of truss, and closed space is symmetrical
It is distributed in the two sides of tower body 1；With
It is symmetricly set on 1 two sides of tower body and conducting wire hanging point 31, a centering conducting wire hanging point in a pair in closed space
32 and a pair of of lower wire hanging point 33；
Wherein, upper conducting wire hanging point 31 is arranged on upper V-type insulator chain 41, one end of upper V-type insulator chain 41 and tower body 1
Connection, the other end are connect with tower head 2；
Middle conducting wire hanging point 32 is arranged on middle V-type insulator chain 42, one end of middle V-type insulator chain 42 and upper conducting wire hanging point
31 connections, the other end are connect with tower head 2；
Lower wire hanging point 33 is arranged on lower V-type insulator chain 43, and one end of lower V-type insulator chain 43 is connect with tower body 1,
The other end is connect with middle conducting wire hanging point 32；
And it is symmetricly set on the earth wire rack 5 on tower head 2.
Exchange double back transmission line tangent tower provided by the embodiment of the utility model, by the tower head with closed space
The V-type that is staggered in 2 insulator chain 4 (upper V-type insulator chain 41, middle V-type insulator chain 42 and lower V-type insulator chain 43), makes
The distribution for the conducting wire hanging point 3 being arranged on V-type insulator chain 4 is more concentrated, and each conducting wire hanging point 3 on tangent tower side is reduced
The distance of (upper conducting wire hanging point 31, middle conducting wire hanging point 32 and lower wire hanging point 33) in vertical direction, so as to shorten tangent tower
Height, reduce consumptive material, mitigate tower body weight, reduce tower list base and base concrete cost expense.
In application, one end of upper V-type insulator chain 41 is connected on tower body 1, the other end is connected to tower head 2, in upper V-type
Upper conducting wire hanging point 31 is arranged in the apex of insulator chain 41；One end of middle V-type insulator chain 42 is connected to upper conducting wire hanging point 31
On, the other end is connected on tower head 2, the conducting wire hanging point 32 in the apex setting of middle V-type insulator chain 42；Lower V-type is insulated
One end of substring 43 is connected on tower body 1, and the other end is connected on middle conducting wire hanging point 32, on the vertex of lower V-type insulator chain 43
Place's setting lower wire hanging point 33, by the V-type insulator chain 4 that is staggered, make conducting wire hanging point 31, middle conducting wire hanging point 32 and under lead
The distribution of line hanging point 33 is concentrated, so as to reduce the distance of each conducting wire hanging point 3 in vertical direction.
Wherein, earth wire rack 5 is set to the top of tower head 2, is provided with ground wire hanging point 51, for setting up ground wire, to rise
To the effect of lightning protection conducting wire.
In above-mentioned exchange double back transmission line tangent tower, the closed space that there is tower head 2 truss to constitute, and be fixed on
The top of tower body 1 is formed for connecting V-type insulator chain 4 to support the bracket of conducting wire.
Illustratively, settable tower head 2 includes sequentially connected first truss 21 of head and the tail, the second truss 22 and third truss
23, the first truss 21, the second truss 22 and third truss 23 form closed space；Wherein,
First truss 21 is fixed on the top of tower body 1, and the second truss 22 and third truss 23 are located at the two sides of tower body 1；And
The interconnecting piece of second truss 22 and third truss 23 is fixed on tower body 1.
It should be understood that the stability in order to guarantee tangent tower, 23 shape of the first truss 21, the second truss 22 and third truss
At closed space be symmetrically dispersed in the two sides of tower body 1.
In a kind of possible embodiment, settable first truss 21 has symmetrical truss structure, when installation, makes the
One truss 21 is symmetrically disposed on the top of tower body 1, while the second truss 22 and the truss having the same of third truss 23 is arranged
Structure makes the second truss 22 and third truss 23 be symmetricly set on the two sides of tower body 1, and is connected to the two of the first truss 21
On end.
In practical applications, as people are to the pay attention to day by day of environment, the construction of transmission line of electricity also should more consideration is given to
The harmonious symbiosis of society & culture, natural landscape, especially when transmission line of electricity passes through scenic spot, in order to avoid power circuit and grace
Natural views between generate indisposed sense, need to be designed the moulding of transmission line tangent tower, to be satisfied with scenic environment
Perfect harmony property.
, can be to visual representations most intuitive in tangent tower based on this --- the outer profile of tower head 2 carries out shape-designing.
In a kind of possible embodiment, as shown in Figures 2 and 3, also settable first truss 21, the second truss 22 and
Three truss 23 are in arcuation protruding upward.
In application, the first truss 21 of arcuation, the second truss 22 and third truss 23 join end to end, keep the closure to be formed empty
Between can be in Folium Ginkgo shape, i.e. tower head 2 has the profile in Folium Ginkgo shape, and tower body 1 can be considered ginkgo petiole so that
The shape of whole tower and ginkgo leaf are similar, moulded natural, beautiful, for the transmission line of electricity of approach natural scenic spots, can make to transmit electricity
Line tangent tower combines together with ambient enviroment, achievees the effect that harmonious symbiosis.
In alternatively possible embodiment, also settable first truss 21 is in the arcuation to raise upward, the second truss
22 and third truss 23 it is linearly.
In application, the first truss 21 of arcuation, linear the second truss 22 and third truss 23 join end to end, and make to be formed
Closed space can be fan-shaped, i.e., tower head 2 has fan-shaped profile, and tower body 1 can be considered fan handle.
Further, it is also possible to which according to actual needs, the outer profile of design tower head 2 is the shapes such as bunge bedstraw herb shape, heart.
Further it will be understood that in above-mentioned exchange double back transmission line tangent tower, upper conducting wire hanging point 31, middle conducting wire
The distance between hanging point 32 and lower wire hanging point 33 need to meet electric clearance (electric clearance refer to guarantee electric property stablize and
In the case where safety, the shortest distance of insulation is able to achieve by air), i.e., electric clearance circle 6 as shown in Figure 2 may be housed in
Conducting wire hanging point 31, middle conducting wire hanging point 32 and lower wire hanging point 33 are between any two.
In application, in view of meeting electric clearance distance and structure stress requirement, settable upper V-type insulator chain 41, middle V
The angle of type insulator chain 42 and lower V-type insulator chain 43 is being 80 ° -100 °.Such as can be 80 °, 85 °, 90 °, 95 °,
100 ° etc..
Illustratively the angle of settable upper V-type insulator chain 41, middle V-type insulator chain 42 and lower V-type insulator chain 43 is
90 °, to make to the maximum extent, cloth material is succinct, power transmission is clear.
Exchange double back transmission line tangent tower provided by the embodiment of the utility model passes through the knot for the tower head 2 being dexterously arranged
The laying mode of structure, conducting wire hanging point 3 and ground wire hanging point 51 and V-type insulator chain 4 makes tower size meet electric clearance circle 6,
Make that structure cloth material is succinct, power transmission is clear simultaneously, be content with very little structure stress requirement, and convenient for operation and maintenance.
In above-mentioned exchange double back transmission line tangent tower, as shown in Figures 2 and 3, settable tower body 1 is lattice truss
Or steel pipe pole.
Illustratively, structural formula truss can be made of angle iron component.
Steel pipe pole is circular cross-section steel tube rod.
Further, the whole trapezoidal structure of tower body 1 can be made, i.e. the cross-sectional area of tower body 1 is gradually reduced from bottom to top,
So that tangent tower is whole more stable.
According to the calculating analysis to tangent tower provided by the embodiment of the utility model, operating condition, construction connection, carrying are calculated
Ability, processing and manufacturing can meet existing Regulations.And with conventional double back electric power pylon (compared with the same tower of 220kV route
For the tangent tower of double loop), the advantage of the tangent tower specifically includes::
1) tangent tower exhales height that can reduce 7.0m, is substantially reduced tower again, can drop compared with conventional double back electric power pylon
Low about 15%.
2) the basic role power of the tower is obviously reduced, and base concrete cost can reduce about 30%.
3) cost can be reduced about by comprehensively considering costs, the tower list base such as steel tower, basis and column foot land occupation, insulator string type
15%.
In addition, tangent tower provided by the embodiment of the utility model also has the advantages that shape grace.
The above is merely for convenience of it will be understood by those skilled in the art that the technical solution of the utility model, not to
Limit the utility model.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of exchange double back transmission line tangent tower characterized by comprising
Tower body (1)；
It is fixed on the tower head (2) on the top of the tower body (1), the tower head (2) has the closed space being made of truss, and institute
State the two sides that closed space is symmetrically distributed in the tower body (1)；With
It is symmetricly set on the tower body (1) two sides and conducting wire hanging point (31), a centering in a pair in the closed space
Conducting wire hanging point (32) and a pair of of lower wire hanging point (33)；
Wherein, the upper conducting wire hanging point (31) is arranged on upper V-type insulator chain (41), the upper V-type insulator chain (41)
One end is connect with the tower body (1), and the other end is connect with the tower head (2)；
The middle conducting wire hanging point (32) is arranged on middle V-type insulator chain (42), one end of the middle V-type insulator chain (42) with
Upper conducting wire hanging point (31) connection, the other end are connect with the tower head (2)；
The lower wire hanging point (33) is arranged on lower V-type insulator chain (43), one end of the lower V-type insulator chain (43) with
Tower body (1) connection, the other end are connect with the middle conducting wire hanging point (32)；
And it is symmetricly set on the earth wire rack (5) on the tower head (2).
2. exchange double back transmission line tangent tower according to claim 1, which is characterized in that the tower head (2) include according to
The first truss (21), the second truss (22) and the third truss (23) of secondary head and the tail connection, first truss (21), described second
Truss (22) and the third truss (23) form the closed space；Wherein,
First truss (21) is fixed on the top of the tower body (1), second truss (22) and the third truss
(23) it is located at the two sides of the tower body (1)；And the interconnecting piece of second truss (22) and the third truss (23) is fixed on
On the tower body (1).
3. exchange double back transmission line tangent tower according to claim 2, which is characterized in that first truss (21) is in
The arcuation to raise upward, second truss (22) and the third truss (23) are linearly.
4. exchange double back transmission line tangent tower according to claim 2, which is characterized in that first truss (21),
Second truss (22) and the third truss (23) are in the arcuation to raise upward.
5. exchange double back transmission line tangent tower according to claim 1, which is characterized in that the upper V-type insulator chain
(41), the angle of the middle V-type insulator chain (42) and the lower V-type insulator chain (43) is 80 ° -100 °.
6. exchange double back transmission line tangent tower according to claim 5, which is characterized in that the upper V-type insulator chain
(41), the angle of the middle V-type insulator chain (42) and the lower V-type insulator chain (43) is 90 °.
7. exchange double back transmission line tangent tower according to claim 1-6, which is characterized in that the tower body
It (1) is lattice truss or steel pipe pole.
8. exchange double back transmission line tangent tower according to claim 7, which is characterized in that the tower body (1) it is transversal
Face area is gradually reduced from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820451763.1U CN208251779U (en) | 2018-04-02 | 2018-04-02 | A kind of exchange double back transmission line tangent tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820451763.1U CN208251779U (en) | 2018-04-02 | 2018-04-02 | A kind of exchange double back transmission line tangent tower |
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| Publication Number | Publication Date |
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| CN208251779U true CN208251779U (en) | 2018-12-18 |
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| CN201820451763.1U Active CN208251779U (en) | 2018-04-02 | 2018-04-02 | A kind of exchange double back transmission line tangent tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11901711B1 (en) | 2020-08-07 | 2024-02-13 | Inventus Holdings, Llc | Type H compact electric transmission line support structure |
-
2018
- 2018-04-02 CN CN201820451763.1U patent/CN208251779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11901711B1 (en) | 2020-08-07 | 2024-02-13 | Inventus Holdings, Llc | Type H compact electric transmission line support structure |
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