CN204850640U - With tower pair return circuits strain insulator tower - Google Patents
With tower pair return circuits strain insulator tower Download PDFInfo
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- CN204850640U CN204850640U CN201520338099.6U CN201520338099U CN204850640U CN 204850640 U CN204850640 U CN 204850640U CN 201520338099 U CN201520338099 U CN 201520338099U CN 204850640 U CN204850640 U CN 204850640U
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Abstract
The utility model relates to a with tower pair return circuits strain insulator tower, including tower body and cross arm, the cross arm includes ground wire cross arm, upper conductor cross arm and wire cross arm down, ground wire cross arm, upper conductor cross arm and wire cross arm along the range upon range of setting of tower body top -down down, and each side of upper conductor cross arm is the photogenic wire in one of them return circuit of carry respectively, and each side of lower wire cross arm is two other bottom phase wires in one of them return circuit of carry respectively, and the three -phase wire is the triangle and arranges, being equipped with photogenic wire wire jumper device on the ground wire cross arm, being equipped with bottom phase wire wire jumper device on the lower wire cross arm, the upper conductor cross arm borders on with one side that lower wire cross arm is close to each other. Above -mentioned with tower pair return circuits strain insulator tower adopts the double -phase wire in the one deck cross arm carry return circuit, has reduced the quantity of cross arm, has reduced the tower body height, and the upper conductor cross arm shares on one side with lower wire cross arm to under the prerequisite that has reduced the tower body size, reduced the built on stilts iron tower in two return circuits and passed through the construction cost of engineering, and then improved the feasibility that the electric wire netting was reformed transform.
Description
Technical field
The utility model relates to a kind of transmission facility, particularly relates to a kind of common-tower double-return road anchor support.
Background technology
China is since the eighties in last century, the transmission line of electricity of built many more than 500KV, because construction standard is at that time lower, shaft tower major part is partially close to the distance to the ground requirement of code requirement, the new low-voltage-grade circuit built of order is difficult to pass through, especially multi-circuit lines on the same tower.For solving the problem, provide the method for several this problem of solution, one is adopt to reduce shaft tower and exhale height, but in practical situations both, even if by exhale height be down to minimum still can not meet safe distance requirement; Double loop Tong Ta is divided into multiple single-circuit steel tower and passes through by another employing, and this kind of scheme increases steel tower quantity, and building costs is high.
Utility model content
Based on this, be necessary for existing shaft tower cannot meet the safe distance that transmission line of electricity passes through problem, provide a kind of structure simple, the common-tower double-return road anchor support that transmission line of electricity can be made to pass through.
A kind of common-tower double-return road anchor support, comprise tower body and cross-arm, described cross-arm comprises ground wire cross-arm, upper conductor cross-arm and lower wire cross-arm, described ground wire cross-arm, upper conductor cross-arm and lower wire cross-arm are along tower body stacked setting from top to bottom, described ground wire cross-arm is used for carry ground wire, the described every side of upper conductor cross-arm is the upper phase conductor of carry wherein in primary Ioops respectively, the described every side of lower wire cross-arm other twice phase conductors respectively described in carry wherein in primary Ioops, described three-phase conducting wire is triangle arrangement;
Described ground wire cross-arm is provided with the upper phase conductor bridle wire apparatus for limiting described upper phase conductor wire jumper rocking tendency, described lower wire cross-arm is provided with the lower phase conductor bridle wire apparatus for limiting described lower phase conductor wire jumper rocking tendency, and described upper conductor cross-arm and described lower wire cross-arm side close to each other adjoin.
Above-mentioned common-tower double-return road anchor support, adopt two phase conductors in one deck cross-arm carry primary Ioops, decrease the quantity of cross-arm, reduce tower body height, and the bridle wire apparatus of upper phase conductor is located on ground wire cross-arm, lower phase conductor bridle wire apparatus is located on lower wire cross-arm, and upper conductor cross-arm and lower wire cross-arm share on one side, thus under the prerequisite reducing tower body size, ensure that the jumper wire placement of phase conductor and lower phase conductor, reduce the construction cost that steel tower crossing project is maked somebody a mere figurehead in double loop, avoid the power failure rectification to high voltage grade or more important overhead wire, and then improve the feasibility of electric network reconstruction.
Wherein in an embodiment, described ground wire cross-arm, upper conductor cross-arm and lower wire cross-arm are with described tower body for benchmark, and symmetry is laid in the both sides of described tower body, and is positioned at same plane.
Wherein in an embodiment, the ground wire cross-arm of described tower body both sides is provided with ground wire strain insulator-string hanging wire hole perpendicular to before and after described ground wire cross-arm longitudinally in edge respectively, to pass through ground wire described in the carry of described ground wire strain insulator-string hanging wire hole.
Wherein in an embodiment, described ground wire cross-arm is provided with the wire jumper aerofoil profile frame for phase conductor bridle wire apparatus upper described in carry, described wire jumper aerofoil profile chord position is in the side of described ground wire cross-arm near described upper conductor cross-arm, and extend described upper conductor cross-arm along described upper conductor cross-arm longitudinally, described upper phase conductor bridle wire apparatus comprises the upper conductor jumper string hanging point and V-shaped upper phase conductor wire jumper insulator string that arrange in pairs, described upper phase conductor wire jumper insulator string carry in described upper conductor jumper string hanging point, to limit the wire jumper rocking tendency of described upper phase conductor.
Wherein in an embodiment, described upper conductor cross-arm is along being respectively equipped with a upper conductor strain insulator-string hanging point perpendicular to before and after described upper conductor cross-arm longitudinally, with phase conductor in loop described in carry.
Wherein in an embodiment, described lower wire cross-arm is along being respectively equipped with two pairs of lower wire strain insulator-string hanging points perpendicular to before and after described lower wire cross-arm longitudinally, and with other twice phase conductors in loop described in carry, described three-phase conducting wire is triangle arrangement.
Wherein in an embodiment, described two pairs of lower wire strain insulator-string hanging points are arranged along described lower wire cross-arm longitudinally interval, wherein a pair lower wire strain insulator-string hanging point is located at the end of described lower wire cross-arm, and another is located between the end of described tower body and described lower wire cross-arm lower wire strain insulator-string hanging point.
Wherein in an embodiment, described lower phase conductor bridle wire apparatus comprises lower wire wire jumper and extends frame and V-shaped lower phase conductor wire jumper insulator string, described lower wire cross-arm is provided with described lower wire wire jumper along the extension of its longitudinally and extends frame, described lower wire wire jumper extends frame and is provided with a lower wire jumper string hanging point, described lower wire cross-arm is interval with two lower wire jumper string hanging points along its longitudinally, three described lower wire jumper string hanging points are used for lower phase conductor wire jumper insulator string described in carry, to limit the wire jumper rocking tendency of described lower phase conductor.
Wherein in an embodiment, described lower wire strain insulator-string hanging point on described lower wire cross-arm longitudinally, between adjacent two described lower wire jumper string hanging points.
Accompanying drawing explanation
Fig. 1 is the structural representation of the common-tower double-return road anchor support of an embodiment;
Fig. 2 is the structural representation of the ground wire cross-arm of the common-tower double-return road anchor support shown in Fig. 1;
Fig. 3 is the structural representation of the upper conductor cross-arm of the common-tower double-return road anchor support shown in Fig. 1;
Fig. 4 is the structural representation of the lower wire cross-arm of the common-tower double-return road anchor support shown in Fig. 1.
Detailed description of the invention
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in manual of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, the common-tower double-return road anchor support 10 of the utility model one preferred embodiment, comprises tower body 12 and cross-arm 14.This cross-arm 14 comprises along the ground wire cross-arm 142 of tower body 12 stacked setting from top to bottom, upper conductor cross-arm 144 and lower wire cross-arm 146, this ground wire cross-arm 142 is for carry ground wire, the every side of this upper conductor cross-arm 144 is the upper phase conductor of carry wherein in primary Ioops respectively, other twice phase conductors of the every side of this lower wire cross-arm 146 respectively described in carry wherein in primary Ioops, this three-phase conducting wire is triangle arrangement.It should be noted that, in this article, common-tower double-return road anchor support 10 can be the anchor support in three loops or more loop.
Wherein, this ground wire cross-arm 142 is also provided with the upper phase conductor bridle wire apparatus 148 for limiting phase conductor wire jumper rocking tendency on this, this lower wire cross-arm 146 is provided with the lower phase conductor bridle wire apparatus 149 for limiting this lower phase conductor wire jumper rocking tendency, described upper conductor cross-arm 144 side close to each other with lower wire cross-arm 146 adjoins, that is, very close to each other between the side that this upper conductor cross-arm 144 and lower wire cross-arm 146 adjoin.
So, adopt two phase conductors in one deck cross-arm 14 carry loop, decrease the quantity of cross-arm 14, reduce tower body 12 height, and the bridle wire apparatus of upper phase conductor is located on ground wire cross-arm 142, lower phase conductor bridle wire apparatus is located on lower wire cross-arm 146, and upper conductor cross-arm 144 shares on one side with lower wire cross-arm 146, thus under the prerequisite reducing tower body 12 size, ensure that the jumper wire placement of phase conductor and lower phase conductor, reduce the construction cost that steel tower crossing project is maked somebody a mere figurehead in double loop, avoid the power failure rectification to high voltage grade or more important overhead wire, and then improve the feasibility of electric network reconstruction.
Please continue to refer to Fig. 1, this ground wire cross-arm 142, upper conductor cross-arm 144 and lower wire cross-arm 146 are as the criterion with this tower body 12, and symmetry is laid in tower body 12 both sides, and is positioned at same plane.The ground wire cross-arm 142 of these tower body 12 both sides respectively along perpendicular to being provided with ground wire strain insulator-string hanging wire hole (not shown) before and after its longitudinally, with by this ground wire strain insulator hanging wire hole carry ground wire.In the present embodiment, ground wire cross-arm 142 is furnished with totally 8 ground wire strain insulator hanging wire holes, side, front and back, with carry ground wire, plays lightning protection effect to the wire be positioned at below it.
It may be noted that for convenience of description, in this manual " on ", the relevant description in D score, "front", "rear" and other orientation all with tower body 12 for reference.As " on " be the position relationship determined along tower body 12 bearing of trend, " front " is as shown in Figure 1, just to the position of tower body 12, namely perpendicular to the position relationship that paper direction is determined.
See also Fig. 2, this ground wire cross-arm 142 is provided with the wire jumper aerofoil profile frame 1422 for carry phase conductor bridle wire apparatus 148 on this, this wire jumper aerofoil profile frame 1422 is positioned at this ground wire cross-arm 142 near the side of upper conductor cross-arm 144, and extend this upper conductor cross-arm 144 along this upper conductor cross-arm 144 longitudinally, on this, phase conductor bridle wire apparatus 148 comprises the upper conductor jumper string hanging point 1482 and V-shaped upper phase conductor wire jumper insulator string 1484 that arrange in pairs, on this, phase conductor wire jumper insulator string 1484 carry is in this upper conductor jumper string hanging point 1482, and limit the wire jumper of phase conductor on this.
In the present embodiment, wire jumper aerofoil profile frame 1422 is positioned at the below of ground wire cross-arm 142, and extends along upper conductor cross-arm 144 longitudinally.As shown in Fig. 1 and 2, the extension in outward direction of this wire jumper aerofoil profile frame 1,422 one side opposed vertical, to make to be positioned at upper conductor jumper string hanging point 1482 on its free end and to be located at the upper conductor jumper string hanging point 1482 of ground wire cross-arm 142 on the side of upper conductor cross-arm 144 and to be positioned at sustained height, thus ensure the balance of V-shaped upper phase conductor wire jumper insulator string 1484.
So, upper phase conductor bridle wire apparatus 148 is configured at ground wire cross-arm 142, takes full advantage of the space between ground wire cross-arm 142 and lower wire cross-arm 146, make the wire jumper of phase conductor be not limited to down, around the design of formula wire jumper, further reduce the height of tower body 12.
In addition, the V-shaped upper conductor wire jumper insulator string 1484 of carry on the upper conductor jumper string hanging point 1482 configured limits the amplitude of fluctuation of phase conductor wire jumper, effectively ensure that between wire jumper, and the safe distance between wire jumper and tower body 12.
Refer to Fig. 1, Fig. 3 and Fig. 4, this upper conductor cross-arm 144 along perpendicular to being respectively equipped with a upper conductor strain insulator-string hanging point 1444 before and after upper conductor cross-arm 144 longitudinally, with phase conductor in carry loop.Lower wire cross-arm 146 is respectively equipped with two pairs of lower wire strain insulator-string hanging points 1462 along perpendicular to before and after this lower wire cross-arm 146 longitudinally, with time phase conductor of two in carry loop, and makes three-phase conducting wire be triangle arrangement.
Particularly, two pairs of lower wire strain insulator-string hanging points 1462 are arranged along lower wire cross-arm 146 longitudinally interval, wherein once wire tension-resistant string hanging point 1462 is located at the end of lower wire cross-arm 146, and another is located between tower body 12 and the described end of lower wire cross-arm 146 lower wire strain insulator-string hanging point 1462.
Be appreciated that the distance between two pairs of lower wire strain insulator-string hanging points 1462 is arranged according to the safe distance regulation between wire, do not explain at this.
Please continue to refer to Fig. 1 and Fig. 4, this bridle wire apparatus 149 that rolls off the production line comprises lower wire wire jumper and extends frame 1492, this lower wire cross-arm 146 is extended with this lower wire wire jumper along its longitudinally and extends frame 1492, this lower wire wire jumper extends frame 1492 and is provided with a lower wire jumper string hanging point 1494, this lower wire cross-arm 146 is interval with two lower wire jumper string hanging points 1494 along its longitudinally, three these lower wire jumper string hanging points 1494 for the V-shaped lower wire wire jumper insulator string 1496 of carry two, to limit the wire jumper rocking tendency of this lower phase conductor.
Particularly, this lower wire strain insulator-string hanging point 1462 on this lower wire cross-arm 146 longitudinally, between adjacent two lower wire jumper string hanging points 1494.That is, lower wire strain insulator-string hanging point 1494 is between two hitch points of V-shaped lower wire wire jumper insulator string 1496, thus limit the wire jumper rocking tendency of lower phase conductor, ensure that between wire jumper, and the safe distance between wire jumper and tower body 12, improve the safety and reliability of transmission line of electricity.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this manual is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a common-tower double-return road anchor support, comprise tower body and cross-arm, it is characterized in that, described cross-arm comprises ground wire cross-arm, upper conductor cross-arm and lower wire cross-arm, described ground wire cross-arm, upper conductor cross-arm and lower wire cross-arm are along the stacked setting from top to bottom of described tower body, described ground wire cross-arm is used for carry ground wire, the described every side of upper conductor cross-arm is the upper phase conductor of carry wherein in primary Ioops respectively, the described every side of lower wire cross-arm other twice phase conductors respectively described in carry wherein in primary Ioops, three-phase conducting wire is triangle arrangement;
Described ground wire cross-arm is provided with the upper phase conductor bridle wire apparatus for limiting described upper phase conductor wire jumper rocking tendency, described lower wire cross-arm is provided with the lower phase conductor bridle wire apparatus for limiting described lower phase conductor wire jumper rocking tendency, and described upper conductor cross-arm and described lower wire cross-arm side close to each other adjoin.
2. common-tower double-return road according to claim 1 anchor support, is characterized in that, described ground wire cross-arm, upper conductor cross-arm and lower wire cross-arm are with described tower body for benchmark, and symmetry is laid in the both sides of described tower body, and is positioned at same plane.
3. common-tower double-return road according to claim 2 anchor support, it is characterized in that, the ground wire cross-arm of described tower body both sides is provided with ground wire strain insulator-string hanging wire hole perpendicular to before and after described ground wire cross-arm longitudinally in edge respectively, to pass through ground wire described in the carry of described ground wire strain insulator-string hanging wire hole.
4. common-tower double-return road according to claim 2 anchor support, it is characterized in that, described ground wire cross-arm is provided with the wire jumper aerofoil profile frame for phase conductor bridle wire apparatus upper described in carry, described wire jumper aerofoil profile chord position is in the side of described ground wire cross-arm near described upper conductor cross-arm, and extend described upper conductor cross-arm along described upper conductor cross-arm longitudinally, described upper phase conductor bridle wire apparatus comprises the upper conductor jumper string hanging point and V-shaped upper phase conductor wire jumper insulator string that arrange in pairs, described upper phase conductor wire jumper insulator string carry is in described upper conductor jumper string hanging point, to limit the wire jumper rocking tendency of described upper phase conductor.
5. common-tower double-return road according to claim 2 anchor support, is characterized in that, described upper conductor cross-arm is along being respectively equipped with a upper conductor strain insulator-string hanging point perpendicular to before and after described upper conductor cross-arm longitudinally, with phase conductor in loop described in carry.
6. common-tower double-return road according to claim 5 anchor support, it is characterized in that, described lower wire cross-arm is along being respectively equipped with two pairs of lower wire strain insulator-string hanging points perpendicular to before and after described lower wire cross-arm longitudinally, with other twice phase conductors in loop described in carry, described three-phase conducting wire is triangle arrangement.
7. common-tower double-return road according to claim 6 anchor support, it is characterized in that, described two pairs of lower wire strain insulator-string hanging points are arranged along described lower wire cross-arm longitudinally interval, wherein a pair lower wire strain insulator-string hanging point is located at the end of described lower wire cross-arm, and another is located between the end of described tower body and described lower wire cross-arm lower wire strain insulator-string hanging point.
8. common-tower double-return road according to claim 7 anchor support, it is characterized in that, described lower phase conductor bridle wire apparatus comprises lower wire wire jumper and extends frame and V-shaped lower phase conductor wire jumper insulator string, described lower wire cross-arm is provided with described lower wire wire jumper along the extension of its longitudinally and extends frame, described lower wire wire jumper extends frame and is provided with a lower wire jumper string hanging point, described lower wire cross-arm is interval with two lower wire jumper string hanging points along its longitudinally, three described lower wire jumper string hanging points are used for lower phase conductor wire jumper insulator string described in carry, to limit the wire jumper rocking tendency of described lower phase conductor.
9. common-tower double-return road according to claim 8 anchor support, is characterized in that, described lower wire strain insulator-string hanging point on described lower wire cross-arm longitudinally, between adjacent two described lower wire jumper string hanging points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520338099.6U CN204850640U (en) | 2015-05-22 | 2015-05-22 | With tower pair return circuits strain insulator tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520338099.6U CN204850640U (en) | 2015-05-22 | 2015-05-22 | With tower pair return circuits strain insulator tower |
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| CN204850640U true CN204850640U (en) | 2015-12-09 |
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| CN201520338099.6U Active CN204850640U (en) | 2015-05-22 | 2015-05-22 | With tower pair return circuits strain insulator tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469400A (en) * | 2018-12-14 | 2019-03-15 | 贵阳电力设计院有限公司 | Double Loop Steel Tower that is a kind of while solving to bore more and cross over demand |
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2015
- 2015-05-22 CN CN201520338099.6U patent/CN204850640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469400A (en) * | 2018-12-14 | 2019-03-15 | 贵阳电力设计院有限公司 | Double Loop Steel Tower that is a kind of while solving to bore more and cross over demand |
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