CN208347417U - A kind of composite material transmission line tangent tower - Google Patents
A kind of composite material transmission line tangent tower Download PDFInfo
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- CN208347417U CN208347417U CN201820585288.7U CN201820585288U CN208347417U CN 208347417 U CN208347417 U CN 208347417U CN 201820585288 U CN201820585288 U CN 201820585288U CN 208347417 U CN208347417 U CN 208347417U
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- phase conductor
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- transmission line
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Abstract
The utility model discloses a kind of composite material transmission line tangent towers, belong to steel tower technical field used for transmission line.The tangent tower includes: tower body；Symmetrically it is fixed on phase conductor cross-arm in a pair at the top of the tower body；Symmetrically it is fixed on phase conductor cross-arm under a pair of the two sides of the tower body；Symmetrically it is fixed on an opposite side phase conductor cross-arm of the end of the upper phase conductor cross-arm.Composite material transmission line tangent tower provided by the embodiment of the utility model, the lower phase conductor cross-arm and side phase conductor cross-arm prepared by using composite insulating material, make phase conductor cross-arm, the distribution of lower phase conductor cross-arm and side phase conductor cross-arm on tower head is more compact, and then make phase conductor hanging point, the distribution of lower phase conductor hanging point and side phase conductor hanging point is relatively concentrated, reduce the distance of each conducting wire hanging point in vertical direction on transmission line tangent tower side, so as to shorten the height of tangent tower, reduce consumptive material, reduce 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 composite material transmission line of electricity 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 composite material transmission line tangent tower, can solve above-mentioned technical problem.
Specifically, including technical solution below:
A kind of composite material transmission line tangent tower is provided, which includes:
Tower body；
Symmetrically it is fixed on phase conductor cross-arm in a pair at the top of the tower body；
Symmetrically it is fixed on phase conductor cross-arm under a pair of the two sides of the tower body；
Symmetrically it is fixed on an opposite side phase conductor cross-arm of the end of the upper phase conductor cross-arm；And
Symmetrically it is fixed on a pair of of earth wire rack at the top of the upper phase conductor cross-arm；
Wherein, the lower phase conductor cross-arm and the side phase conductor cross-arm are composite insulating material cross-arm；And the upper phase
It is respectively corresponded on conducting wire cross-arm, the lower phase conductor cross-arm and the side phase conductor cross-arm and is provided with phase conductor hanging point, lower phase
Conducting wire hanging point and side phase conductor hanging point.
In a kind of possible design, the upper phase conductor cross-arm is angle cross arm.
In a kind of possible design, the lower phase conductor cross-arm is bolted on the two sides of the tower body.
In a kind of possible design, the side phase conductor cross-arm is bolted on the end of the upper phase conductor cross-arm
Portion.
In a kind of possible design, the upper phase conductor hanging point is arranged on V-type insulator chain, the V-type insulator
The both ends of string are connected on the both ends of the upper phase conductor cross-arm.
In a kind of possible design, the end of the lower phase conductor cross-arm is arranged in the lower phase conductor hanging point.
In a kind of possible design, the end of the phase conductor cross-arm when phase conductor hanging point is arranged in described.
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:
Composite material transmission line tangent tower provided by the embodiment of the utility model, prepares by using composite insulating material
Lower phase conductor cross-arm and side phase conductor cross-arm, make phase conductor cross-arm, lower phase conductor cross-arm and side phase conductor cross-arm in tower head
On distribution it is more compact, and then make phase conductor hanging point, lower phase conductor hanging point and side phase conductor hanging point distribution relatively concentrate, reduce
The distance of each conducting wire hanging point in vertical direction subtracts on transmission line tangent tower side so as to shorten the height of tangent tower
Lack consumptive material, mitigated the weight of tangent tower, reduces the cost expense of tower list base and base concrete.
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 of composite material transmission line tangent tower provided by the embodiment of the utility model.
Appended drawing reference in figure respectively indicates:
1- tower body；
The upper phase conductor cross-arm of 2-；
Phase conductor cross-arm under 3-；
The side 4- phase conductor cross-arm；
5- earth wire rack；
The upper phase conductor hanging point of 6-；
Phase conductor hanging point under 7-；
The side 8- phase conductor hanging point；
9-V type insulator chain；
10- 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 composite material transmission line tangent tower, shown in Figure 2, the transmission line of electricity
Tangent tower includes:
Tower body 1；
Phase conductor cross-arm 2 in a pair at the top for being symmetrically fixed on tower body 1；
Phase conductor cross-arm 3 under a pair for the two sides for being symmetrically fixed on tower body 1；
Symmetrically it is fixed on an opposite side phase conductor cross-arm 4 of the end of phase conductor cross-arm 2；And
Symmetrically it is fixed on a pair of of earth wire rack 5 at the top of phase conductor cross-arm 2；
Wherein, lower phase conductor cross-arm 3 and side phase conductor cross-arm 4 are composite insulating material cross-arm；And upper phase conductor cross-arm 2,
Lower phase conductor cross-arm 3 and while respectively corresponded on phase conductor cross-arm 4 be provided with upper phase conductor hanging point 6, lower phase conductor hanging point 7 and while phase
Conducting wire hanging point 8.
It should be noted that the outstanding feature that composite insulating material has electrical insulation properties excellent, and its is light-weight, resistance to
Corrosivity is strong, maintenance cost is low.
Composite material transmission line tangent tower provided by the embodiment of the utility model, prepares by using composite insulating material
Lower phase conductor cross-arm 3 and side phase conductor cross-arm 4 make phase conductor cross-arm 2, lower phase conductor cross-arm 3 and side phase conductor cross-arm 4 in tower
Distribution on head is more compact, and then collects the distribution of phase conductor hanging point 6, lower phase conductor hanging point 7 and side phase conductor hanging point 8 relatively
In, the distance of each conducting wire hanging point in vertical direction on transmission line tangent tower side is reduced, so as to shorten tangent tower
Highly, reduce consumptive material, mitigate the weight of tangent tower, reduce the cost expense of tower list base and base concrete.
In application, phase conductor cross-arm 2 in a pair to be symmetricly set on to the top of tower body 1, the lower phase conductor cross-arm 3 of a pair is symmetrical
The two sides of tower body 1 are set, and an opposite side phase conductor cross-arm 4 is symmetricly set on the end of phase conductor cross-arm 2, then leads upper phase
The upper and lower phase conductor of upper phase conductor hanging point 6 that line, lower phase conductor and side phase conductor are respectively symmetrically suspended on phase conductor cross-arm 2 is horizontal
On the lower phase conductor hanging point 7 of load 3 and while phase conductor cross-arm 4 while phase conductor hanging point 8 on.
It is understood that upper phase conductor cross-arm 2, lower phase conductor cross-arm 3, side phase conductor cross-arm 4 are symmetrical with respect to tower body 1
Arrangement, and the distance between upper phase conductor hanging point 6, lower phase conductor hanging point 7 and side phase conductor hanging point 8 on 1 side of tower body meets
(electric clearance refers in the case where guaranteeing stable electric property and safety electric clearance, is able to achieve insulation most by air
Short distance), that is to say, that electric clearance circle 10 as shown in Figure 2 may be housed in phase conductor hanging point 6, lower 7 and of phase conductor hanging point
Side phase conductor hanging point 8 is between any two.
Wherein, earth wire rack 5 is set to the top of phase conductor cross-arm 2, is provided with ground wire hanging point, for setting up ground
Line, to play the effect of lightning protection conducting wire.
Illustratively, as shown in Fig. 2, settable earth wire rack 5 is set to obliquely on the both ends of phase conductor cross-arm 2.Simultaneously
Compactedness and electric appliance gap in view of tower head, settable side phase conductor cross-arm 4 are set to the two of phase conductor cross-arm 2 obliquely
On end.
In above-mentioned composite material transmission line tangent tower, in order to guarantee that the structural strength of tower head, settable upper phase are led
Line cross-arm 2 is angle cross arm.And it is more compact in order to design the structure of entire tower head, under settable upper phase conductor cross-arm 2
Surface is in horizontal direction.
The utility model embodiment is by forming the ingenious combination of composite material cross arm and angle cross arm a kind of novel
Composite material double-loop tangent tower, makes it under the premise of meeting electric clearance, can give full play to the electric insulation of composite material
Performance advantage keeps pyramidal structure arrangement succinct, and structure power transmission is clear, meets structure stress requirement, and convenient for operation and maintenance.
And when transmission line of electricity passes through important scissors crossing or forest zone in blocks, using existing exchange double back tangent tower,
Shaft tower height needs increase, and shaft tower weight also increases with it, and will lead to construction investment increasing.And the use of the new type implements offer
Composite material transmission line tangent tower can substantially compress tower head size, reduce the height of steel tower, to reduce steel tower weight, mention
High engineering economy.
In above-mentioned composite material transmission line tangent tower, settable lower phase conductor cross-arm 3 is bolted to connection
In the two sides of tower body 1, the connection type is simple, and stress is reliable.Similarly, also settable side phase conductor cross-arm 4 is solid by bolt
Surely it is connected to the end of phase conductor cross-arm 2.
In above-mentioned composite material transmission line tangent tower, settable upper phase conductor hanging point 6 is arranged in V-type insulator chain
On 9, the both ends of V-type insulator chain 9 are connected on the both ends of phase conductor cross-arm 2.
In application, upper phase conductor to be fixedly connected on to the apex (i.e. upper phase conductor hanging point 6) of V-type insulator chain 9.
In order to meet the requirement of electric clearance, in above-mentioned composite material transmission line tangent tower, lower phase conductor hanging point 7
It may be provided at the end of lower phase conductor cross-arm 3；The end of phase conductor cross-arm 4 when phase conductor hanging point 8 may be provided at.
In application, phase conductor hanging point (is descended in the end that lower phase conductor can be connected to lower phase conductor cross-arm 3 by connection gold utensil
7) on；When phase conductor can be connected to by connection gold utensil on the end (i.e. side phase conductor hanging point 8) of phase conductor cross-arm 4.Connection
Afterwards, double back line conductor is arranged symmetrically, and upper phase, Bian Xiang, lower phase conductor are integrally in inverted triangle arrangement, upper phase conductor and side phase conductor
Positioned at the top of lower phase conductor.
In above-mentioned exchange double back transmission line tangent tower, 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 transmission line tangent tower provided by the embodiment of the utility model, operating condition, construction connection, carrying energy are calculated
Power, processing and manufacturing can meet existing Regulations.And with conventional double back electric power pylon (compared with it is double with the same tower of 220kV route
For the tangent tower of circuit), the advantage of the tangent tower specifically includes:
1) the more traditional angle steel tower of the tower height of the tower reduces about 9.0m under the same terms, so that its tower is greatly reduced again,
Tower reduces about 32% again.
2) because tower height is greatly reduced, this tower basic role power reduces about 45%, and base concrete cost reduces by 20%.
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
25%.
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 (9)
1. a kind of composite material transmission line tangent tower characterized by comprising
Tower body (1)；
Symmetrically it is fixed on phase conductor cross-arm (2) in a pair at the top of the tower body (1)；
Symmetrically it is fixed on phase conductor cross-arm (3) under a pair of the two sides of the tower body (1)；
Symmetrically it is fixed on an opposite side phase conductor cross-arm (4) of the end of the upper phase conductor cross-arm (2)；And
Symmetrically it is fixed on a pair of of earth wire rack (5) at the top of the upper phase conductor cross-arm (2)；
Wherein, the lower phase conductor cross-arm (3) and the side phase conductor cross-arm (4) are composite insulating material cross-arm；And it is described on
It respectively corresponds to be provided on phase conductor cross-arm (2), the lower phase conductor cross-arm (3) and the side phase conductor cross-arm (4) and upper mutually lead
Line hanging point (6), lower phase conductor hanging point (7) and side phase conductor hanging point (8).
2. composite material transmission line tangent tower according to claim 1, which is characterized in that the upper phase conductor cross-arm
It (2) is angle cross arm.
3. composite material transmission line tangent tower according to claim 1, which is characterized in that the lower phase conductor cross-arm
(3) two sides of the tower body (1) are bolted on.
4. composite material transmission line tangent tower according to claim 1, which is characterized in that the side phase conductor cross-arm
(4) it is bolted on the end of the upper phase conductor cross-arm (2).
5. composite material transmission line tangent tower according to claim 1, which is characterized in that the upper phase conductor hanging point
(6) it is arranged on V-type insulator chain (9), the both ends of the V-type insulator chain (9) are connected to the upper phase conductor cross-arm
(2) on both ends.
6. composite material transmission line tangent tower according to claim 1, which is characterized in that the lower phase conductor hanging point
(7) it is arranged in the end of the lower phase conductor cross-arm (3).
7. composite material transmission line tangent tower according to claim 1, which is characterized in that the side phase conductor hanging point
(8) it is arranged in the end of the side phase conductor cross-arm (4).
8. composite material transmission line tangent tower according to claim 1-7, which is characterized in that the tower body
It (1) is lattice truss or steel pipe pole.
9. composite material transmission line tangent tower according to claim 8, 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 |
|---|---|---|---|
| CN201820585288.7U CN208347417U (en) | 2018-04-23 | 2018-04-23 | A kind of composite material transmission line tangent tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820585288.7U CN208347417U (en) | 2018-04-23 | 2018-04-23 | A kind of composite material transmission line tangent tower |
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| Publication Number | Publication Date |
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| CN208347417U true CN208347417U (en) | 2019-01-08 |
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ID=64886971
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820585288.7U Active CN208347417U (en) | 2018-04-23 | 2018-04-23 | A kind of composite material transmission line tangent tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898913A (en) * | 2019-01-30 | 2019-06-18 | 中国电建集团河北省电力勘测设计研究院有限公司 | A kind of double loop 500kV straight line, which bores, gets over tower |
-
2018
- 2018-04-23 CN CN201820585288.7U patent/CN208347417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898913A (en) * | 2019-01-30 | 2019-06-18 | 中国电建集团河北省电力勘测设计研究院有限公司 | A kind of double loop 500kV straight line, which bores, gets over tower |
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