CN204497701U - A kind of boring for the formula of passing through of the single loop of power transmission sequence in various electric pressure gets over bar - Google Patents
A kind of boring for the formula of passing through of the single loop of power transmission sequence in various electric pressure gets over bar Download PDFInfo
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- CN204497701U CN204497701U CN201420548441.0U CN201420548441U CN204497701U CN 204497701 U CN204497701 U CN 204497701U CN 201420548441 U CN201420548441 U CN 201420548441U CN 204497701 U CN204497701 U CN 204497701U
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Abstract
The utility model discloses a kind of boring for the formula of passing through of the single loop of power transmission sequence in various electric pressure and get over bar, adopt two supporting steel pipe poles to bore more function, concrete structure comprises two steel pipe poles, wire cross-arm and ground wire cross-arm, wherein two steel pipe poles vertically arrange also keeping parallelism each other, wire cross-arm is arranged at interval relative to two steel pipe poles and is kept horizontally, being respectively left side wire cross-arm, central conductor cross-arm and the right wire cross-arm from left to right; The both sides, top of two steel pipe poles are respectively equipped with ground wire cross-arm, and one end of ground wire cross-arm is fixedly connected with steel pipe pole is vertical, and the other end stretches out.Advantage is: safe and reliable, floor space is little, applicability is stronger.
Description
Technical field
The utility model relates to a kind of boring for the formula of passing through of the single loop of power transmission sequence in various electric pressure and gets over bar
Background technology
Along with industrial expansion; power grid construction perfect; in Practical Project; often there will be the lower circuit of voltage and will bore the power circuit that more voltage is higher; in the face of electricity needs is growing, guaranteeing under prerequisite safe and reliable to operation, how to improve the transmission capacity of transmission line, save corridor land used, reduce the impact of transmission line on environment; reducing construction investment, make tower structure more reasonable, is a more scabrous difficult problem in electric wiring design.
For these situations, existing technical staff adopts following two kinds of traditional modes usually when designing, one is carried out removing and increasing process by original power circuit, and the method not only affects the safe operation of old circuit but also can cause harmful effect to the life of nearby residents; Two is circuits adopts cable to pass through when boring more, but adopts the cost of cable very high again, about 12 times of the chances are overhead transmission line.The two kinds of methods adopted in above-mentioned prior art also exist some problems in practical operation, on the one hand transform original circuit, and it is relatively long to implement the duration, must bring certain loss of outage.Two be adopt cable by time, increase certain current loss, need to set up the cable machinery such as cable termination and cable end, lightning arrester, grounding box, not only cost is high and add potential safety hazard.All in all aforesaid way implements comparatively complicated, and project cost is high.We need so a kind of safe and reliable, be convenient to implement, lower-cost enforcement.
Summary of the invention
What the present invention mainly solved is bore more 220kV and above power circuit time, original circuit need not be transformed and can bore smoothly more.By adopting single loop drilling to get over formula steel pipe pole, need not carry out transforming reaching to old circuit and bore object more smoothly.
The utility model proposes a kind of single loop drilling for power transmission sequence in various electric pressure more formula bore more bar, it is characterized in that, the two bar of supporting steel pipe is adopted to bore more function, concrete structure comprises two steel pipe poles, wire cross-arm, ground wire cross-arm, ground wire and single loop drilling to get over bar, wherein two steel pipe poles vertically arrange also keeping parallelism each other, wire cross-arm is arranged at interval relative to two steel pipe poles and is kept horizontally, being respectively left side wire cross-arm, central conductor cross-arm and the right wire cross-arm from left to right; The both sides, top of two steel pipe poles are respectively equipped with ground wire cross-arm, and one end of ground wire cross-arm is fixedly connected with steel pipe pole is vertical, and the other end stretches out.
Further, the hanging point position of described ground wire is four ground wire hanging points of two groups of ground wires in a distance,
Further, described single loop drilling more formula steel pipe pole be no more than 15 meters apart from the distance of drilled more limit wire.
Further, described single loop drilling gets over formula steel pipe pole for 110kV power transmission sequence.
The single loop drilling that the utility model proposes gets over the effect that formula steel pipe pole has the following advantage being different from prior art and reaches.
1. safe and reliable.Single loop drilling is got over formula steel pipe pole and be have employed ripe shaft tower pattern, and it is rational in infrastructure, and intensity is reliable, takes full advantage of the mechanical property of material.After the operation of this engineering, the charging operation of a period of time proves, it is safe and reliable that this single loop drilling gets over formula steel pipe pole, stable.
2. floor space is little.Single loop drilling get over formula steel pipe pole floor space little, take up room little, without bracing wire, required corridor is narrow, and attractive in appearance, tall and straight, succinct, comparatively coordinates with surrounding environment.
3. cost is low.Adopt single loop drilling to get over formula steel pipe tower and need not transform original circuit, provide cost savings, avoid interference to normal electrical network and unnecessary loss of outage, overall cost is optimum, and applicability is stronger.
Accompanying drawing explanation
Accompanying drawing 1 is the three-dimensional view that described single loop drilling gets over formula steel pipe pole.
Embodiment
The utility model proposes a kind of single loop drilling and get over formula steel pipe pole, adopt the two bar of supporting steel pipe to bore more function,
Concrete structure comprises two steel pipe poles, wire cross-arm, ground wire cross-arm, ground wire and single loop drilling to get over bar, wherein two steel pipe poles vertically arrange also keeping parallelism each other, wire cross-arm is arranged at interval relative to two steel pipe poles and is kept horizontally, being respectively left side wire cross-arm, central conductor cross-arm and the right wire cross-arm from left to right; The both sides, top of two steel pipe poles are respectively equipped with ground wire cross-arm, and one end of ground wire cross-arm is fixedly connected with steel pipe pole is vertical, and the other end stretches out.
Wherein the effect of ground wire cross-arm is, in power circuit design, ground wire cross-arm is in order to lightning protection and communication.Elaborate below in conjunction with accompanying drawing 1, the position that common single loop passes through formula steel pipe pole ground wire hanging point is the place of ground wire 1, ground wire 2, ground wire 3, ground wire 4, mainly in order to prevent wire to be struck by lightning, improves the stability of electrical network; The main distinction that this single loop drilling gets over formula steel pipe pole and common steel tube bar shows that the hanging point position of ground wire is ground wire 1, ground wire 2, ground wire 5, ground wire 6, constant away from the earth wire support height boring more side, only the position of ground wire hanging point 3, ground wire hanging point 4 need be moved down ground wire 5, ground wire 6; Namely reduce the distance between lead wire and earth wire, thus reduce the height of full bar, therefore can ensure that this tower bores more high-tension circuit smoothly.Also can cause a problem simultaneously; how ground wire prevents wire by the problem of being struck by lightning after reducing; under normal circumstances; the drilled circuit got over also has ground wire; as long as by this single loop drilling of checking computations more formula steel pipe pole be no more than 15 meters apart from the distance of drilled more limit wire; the wire of this circuit all can be protected, thus ground wire is moved to ground wire 5 from the position of ground wire 3, ground wire 4, the position of ground wire 6 is feasible.When reality uses, by reducing the hanging point position of ground wire, by 2 base single loop drillings more formula steel pipe pole can complete brill more, ensure that the connectedness of conveying electricity.
Generally speaking, this single loop drilling gets over formula steel pipe pole, utilize the steel pipe pole that a group independent, circuit can be completed and bore function more, need not transform the circuit of original operation, the circuit of the transformation that can not have a power failure for some, has great advantage, thus making engineering overall cost optimum, applicability is stronger.Steel pipe pole can be played again to take up room little and that floor space is little feature simultaneously, this single loop drilling crossing steel tube pole goes for the single loop line project of various different electric pressure, the layout size of structure, the cross sectional shape of such as lead wire and earth wire, connected mode, layout height and length etc. all can be carried out adjustment according to the needs of electric pressure and Practical Project and be arranged.
And consider the description of the present utility model that discloses and reality here, other implementations will be obvious to those skilled in the art therefore.The various aspects of described embodiment and/or parts can utilize separately or to be arbitraryly combined.Being intended to herein to describe in detail and citing is only thought exemplary, the replacement under spirit of the present invention and the embodiment of change all fall within of the present utility model right apply for protection.
Claims (4)
1. one kind is bored more bar for the formula of passing through of the single loop of power transmission sequence in various electric pressure, it is characterized in that, adopt two supporting steel pipe poles to bore more function, concrete structure comprises two steel pipe poles, wire cross-arm, ground wire cross-arm, ground wire and single loop drilling to get over bar, wherein two steel pipe poles vertically arrange also keeping parallelism each other, wire cross-arm is arranged at interval relative to two steel pipe poles and is kept horizontally, being respectively left side wire cross-arm, central conductor cross-arm and the right wire cross-arm from left to right; The both sides, top of two steel pipe poles are respectively equipped with ground wire cross-arm, and one end of ground wire cross-arm is fixedly connected with steel pipe pole is vertical, and the other end stretches out.
2. as claimed in claim 1 boring gets over bar, and it is characterized in that, the hanging point position of described ground wire is four ground wire hanging points of two groups of ground wires in a distance.
3. as claimed in claim 1 bore more bar, it is characterized in that, described single loop drilling more bar is no more than 15 meters apart from the distance of drilled more limit wire.
4. as claimed in claim 3 boring gets over bar, and it is characterized in that, described single loop drilling gets over bar for 110kV power transmission sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548441.0U CN204497701U (en) | 2014-09-23 | 2014-09-23 | A kind of boring for the formula of passing through of the single loop of power transmission sequence in various electric pressure gets over bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548441.0U CN204497701U (en) | 2014-09-23 | 2014-09-23 | A kind of boring for the formula of passing through of the single loop of power transmission sequence in various electric pressure gets over bar |
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| Publication Number | Publication Date |
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| CN204497701U true CN204497701U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420548441.0U Active CN204497701U (en) | 2014-09-23 | 2014-09-23 | A kind of boring for the formula of passing through of the single loop of power transmission sequence in various electric pressure gets over bar |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018019180A1 (en) * | 2016-07-26 | 2018-02-01 | 江苏神马电力股份有限公司 | Cross arm and angle tower and tension support comprising the same |
| CN110453959A (en) * | 2019-07-23 | 2019-11-15 | 国网山东省电力公司青岛供电公司 | A kind of double loop, which is bored, gets over steel pipe pole and transmission system |
| CN111682479A (en) * | 2020-07-02 | 2020-09-18 | 国核电力规划设计研究院有限公司 | Single-loop power transmission line iron tower and power transmission line tower system |
| CN111682483A (en) * | 2020-07-02 | 2020-09-18 | 国核电力规划设计研究院有限公司 | Transmission line drilling tower and transmission line tower system |
-
2014
- 2014-09-23 CN CN201420548441.0U patent/CN204497701U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018019180A1 (en) * | 2016-07-26 | 2018-02-01 | 江苏神马电力股份有限公司 | Cross arm and angle tower and tension support comprising the same |
| US11283254B2 (en) | 2016-07-26 | 2022-03-22 | Shanghai Shemar Power Engineering Co., Ltd | Cross arm and angle tower and tension tower comprising the same |
| CN110453959A (en) * | 2019-07-23 | 2019-11-15 | 国网山东省电力公司青岛供电公司 | A kind of double loop, which is bored, gets over steel pipe pole and transmission system |
| CN111682479A (en) * | 2020-07-02 | 2020-09-18 | 国核电力规划设计研究院有限公司 | Single-loop power transmission line iron tower and power transmission line tower system |
| CN111682483A (en) * | 2020-07-02 | 2020-09-18 | 国核电力规划设计研究院有限公司 | Transmission line drilling tower and transmission line tower system |
| CN111682483B (en) * | 2020-07-02 | 2022-01-18 | 国核电力规划设计研究院有限公司 | Transmission line drilling tower and transmission line tower system |
| CN111682479B (en) * | 2020-07-02 | 2022-01-18 | 国核电力规划设计研究院有限公司 | Single-loop power transmission line iron tower and power transmission line tower system |
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