CN206189987U - Cup -shaped tangent tower of transmission line - Google Patents
Cup -shaped tangent tower of transmission line Download PDFInfo
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- CN206189987U CN206189987U CN201621072547.3U CN201621072547U CN206189987U CN 206189987 U CN206189987 U CN 206189987U CN 201621072547 U CN201621072547 U CN 201621072547U CN 206189987 U CN206189987 U CN 206189987U
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- transmission line
- cup
- tangent tower
- crossbeam
- shaped tangent
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Abstract
The utility model discloses a cup -shaped tangent tower of transmission line belongs to iron tower technical field for the transmission line. Cup -shaped tangent tower of transmission line includes: crank arm and the crossbeam for two, compared with the prior art, the middle part of crossbeam has articulated a I type insulator chain, and two upper ends of cranking arm articulate a V type insulator chain's both ends, and the point that hangs V type insulator chain on point and two that the middle part of crossbeam hung I type insulator chain crank arm forms triangle -shaped on the space. The utility model discloses a to cup -shaped tangent tower of transmission line's design, reduced the windage yaw angle of central conductor in the strong wind operating mode and the clearance between the wire, and then reduced transmission line sopwith staff cun for its weight index is more excellent, and economic price / performance ratio is higher.
Description
Technical field
The utility model is related to steel tower technical field used for transmission line, more particularly to a kind of cup-shaped tangent tower of transmission line of electricity.
Background technology
Generally high wind speed area work transmission line design basic wind speed up to 39 metre per second (m/s)s and more than, in high wind speed
Area carries out power Transmission, frequently with power transmission line column as transmission facility.
Current conventional power transmission line column, the generally cup-shaped tangent tower of three-phase I types string, refer to Fig. 1, the power transmission line column
It is made up of tower body 1,2, earth wire rack 3 of cranking arm, wire cross-arm 4, crossbeam 5, I types insulator chain 6, it is structurally characterized in that wire horizontal row
Row, and using the hanging wire mode of I types string (namely suspension vertically), two I types insulator chains 6 are connected with the end of wire cross-arm 4, one
Individual I types insulator chain 6 is connected with the middle part of crossbeam 5, and it has pattern is succinct, power transmission is clear, tower weight is reasonable, operation maintenance is convenient etc.
Feature.
During the utility model is realized, inventor has found that prior art at least has problems with：
In high wind speed area, conventional power transmission line column is influenceed by strong wind operating mode, the wire angle of wind deflection (frame of power transmission line column
When empty power transmission line is deviateed its upright position by the effect of wind-force, the angle that perpendicular position is formed.) become big, between wire
Electric clearance (the most short space measured between two conductive parts or between conductive parts and equipment protection interface away from
From) be increased dramatically therewith, in order to solve these problems, the width cranked arm with crossbeam need to be increased, but such that power transmission line
Road Sopwith staff cun increase, weight increases, and causes economic cost performance reduction.
Utility model content
Bigger than normal in order to solve gap in the prior art between power transmission line column size and wire, weight lays particular stress on, economy
Valency provides a kind of cup-shaped tangent tower of transmission line of electricity than low problem, the utility model embodiment.The transmission line of electricity is cup-shaped straight
Transmission tower is as follows：
On the one hand, there is provided a kind of cup-shaped tangent tower of transmission line of electricity, the cup-shaped tangent tower of transmission line of electricity includes：
Two are cranked arm and crossbeam；
Described two one end connections of cranking arm, the other end is separated, and the crossbeam is horizontally set on described two cranking arm；
An I type insulator chain is mounted with the middle part of the crossbeam, two upper ends cranked arm are mounted with a V-type insulator
The two ends of string, the point of the middle part suspension I type insulator chains of the crossbeam and described two upper suspension V-type insulator chains of cranking arm
Point spatially form triangle.
Optionally, the cup-shaped tangent tower of the transmission line of electricity also includes：Left horizontal stretcher, right horizontal stretcher, the left horizontal stretcher and the right side
Cross-arm is separately positioned on the crossbeam two ends, and the right-hand member of the left end of the left horizontal stretcher and the right horizontal stretcher is mounted with an I respectively
Type insulator chain.
Optionally, the right-hand member of the left end of the left horizontal stretcher and the right horizontal stretcher is downward-sloping.
Optionally, the angle that the V-shape insulator chain is formed is 140~170 °.
Optionally, the cup-shaped tangent tower of the transmission line of electricity includes：Tower body and earth wire rack, the top of the tower body and described two
The individual connection end connection cranked arm, the earth wire rack is arranged on described two separating ends cranked arm.
Optionally, the tower body is trapezium structure.
Optionally, the tangent tower body is axially symmetric structure.
Optionally, the one end and described two songs of the I types insulator chain of the middle part suspension of the crossbeam away from the crossbeam
The bottom connection of the V-type insulator is hung on arm.
The beneficial effect brought of technical scheme that the utility model embodiment is provided is：
The cup-shaped tangent tower of a kind of transmission line of electricity that the utility model is provided, by making I types insulator chain and V-type insulator chain
Phase conductor in suspension, reduces the electric clearance between the angle of wind deflection of central conductor in strong wind operating mode and wire, and then reduce
Power transmission line column size so that its weight indicator is more excellent, economic cost performance is higher.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to needed for embodiment description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, 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 cup-shaped tangent tower structure chart of a kind of transmission line of electricity that prior art is provided；
Fig. 2 is the cup-shaped tangent tower structure chart of a kind of transmission line of electricity that the utility model embodiment is provided.
Wherein, to accompanying drawing in each label declaration it is as follows：
Tower body 1, cranks arm 2, earth wire rack 3, cross-arm 4, left horizontal stretcher 41, right horizontal stretcher 42, crossbeam 5, I types insulator chain 6, and V-type is exhausted
Edge substring 7, tie point A.
Specific embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type implementation method is described in further detail.
The utility model embodiment provides a kind of cup-shaped tangent tower of transmission line of electricity, as shown in Fig. 2 the transmission line of electricity is cup-shaped
Tangent tower includes：
Two crank arm 2 and crossbeams 5.
Two 2 one end connections of cranking arm, the other end is separated, and crossbeam 5 is horizontally set on two and cranks arm on 2.
The middle part of crossbeam 5 is mounted with an I types insulator chain 6, and two 2 upper ends of cranking arm are mounted with a V-type insulator
The two ends of string 7, the point of the middle part suspension I types insulator chain 6 of crossbeam 5 exists with two points of suspension V-type insulator chain 7 on 2 of cranking arm
Spatially form triangle.Wherein, I types insulator chain is the extension string of vertical structure, and V-arrangement insulator chain is the extension string of V-shaped, two
Phase conductor in the common carrying of person.
In the utility model embodiment, by such insulator chain connected mode, can make to hang over the I types on crossbeam
Insulator chain and hang over two crank arm on V-type insulator chain jointly suspension in phase conductor, middle phase is undertaken by I type insulator chains
The vertical load of wire, the horizontal load of wire is undertaken by V-type insulator chain, thus in limiting phase conductor amplitude of fluctuation,
The line corridor (land area and area of space shared by the path of overhead transmission line) between wire is reduced, so as to subtract
Small power transmission line column size.Engineering practice shows, when the utility model is applied into strong wind area 220kV ultra-high-tension power transmission lines
When, line corridor width can reduce 2.0~3.2m, and tower weight can reduce by 7%~10%；It is applied to strong wind area 500kV transmission lines of electricity
When, line corridor width can reduce 3.8~5.4m, and tower weight can reduce by 6%~11%.
It should be noted that the turriform of the cup-shaped tangent tower of transmission line of electricity is cup-shaped tangent tower.In practical application, according to difference
Situation be also an option that other turriforms, the utility model embodiment is not specifically limited to this.
In sum, the cup-shaped tangent tower of a kind of transmission line of electricity that the utility model is provided, by making I types insulator chain and V
Phase conductor in the suspension of type insulator chain, reduces the electric clearance between the angle of wind deflection of central conductor in strong wind operating mode and wire,
And then reducing power transmission line column size so that its weight indicator is more excellent, and economic cost performance is higher.
Optionally, as shown in Fig. 2 the cup-shaped tangent tower of transmission line of electricity also includes：Left horizontal stretcher 41 and right horizontal stretcher 42, left horizontal stretcher 41
The two ends of crossbeam 5 are separately positioned on right horizontal stretcher 42；The left end of left horizontal stretcher 41 and the right-hand member of right horizontal stretcher 42 are mounted with an I type respectively
Insulator chain 6.By such connected mode, the horizontally arranged of wire is formed, increase power transmission efficiency.
Certainly, skilled person will appreciate that, in the utility model embodiment, be suspended on exhausted on two wire cross-arms
Edge substring is alternatively V-type insulator chain or L-type insulator chain.
Specifically, in the cup-shaped tangent tower of transmission line of electricity, the left end of left horizontal stretcher 41 and the right-hand member of right horizontal stretcher 42 are downward-sloping.
By this design, the displacement range of left and right sides wire is increased, the cup-shaped tangent tower of transmission line of electricity can be caused in strong wind work
Normal work under condition, is not become big influence by wire angle of wind deflection.In actual applications, as shown in figure 1, the end of left and right cross-arm
Can be horizontally disposed with, the utility model embodiment is not specifically limited to this.
Specifically, the cup-shaped tangent tower of transmission line of electricity also includes：2 are cranked arm with two in tower body 1 and earth wire rack 3, the top of tower body 1
Connection end connection, earth wire rack 3 be arranged on two crank arm 2 separating end.
Optionally, the tower body of the cup-shaped tangent tower of transmission line of electricity is trapezium structure, and tangent tower body is axially symmetric structure.This
The design of sample can greatly enhance the structural stability of the cup-shaped tangent tower of transmission line of electricity, meet the job requirement under strong wind operating mode.
Specifically, as shown in Fig. 2 the one end and two songs of the I types insulator chain 6 of the middle part suspension of crossbeam 5 away from crossbeam 5
The bottom connection of V-type insulator chain 7 is hung on arm 2.
It should be noted that as shown in Fig. 2 above-mentioned I types insulator chain 6 is cranked arm away from one end of crossbeam 5 with two hang on 2
The tie point for hanging the bottom connection of V-type insulator chain 7 is A.
Optionally, the angle that V-type insulator chain is formed is 140~170 °.The angle is to limiting the amplitude of fluctuation of wire
Effect is preferable.
In sum, the cup-shaped tangent tower of a kind of transmission line of electricity that the utility model embodiment is provided, by making I type insulators
Phase conductor in string and the suspension of V-type insulator chain, reduces electric between the angle of wind deflection of central conductor in strong wind operating mode and wire
Gap, and then reduce power transmission line column size so that its weight indicator is more excellent, and economic cost performance is higher.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the transmission of electricity of foregoing description
The specific work process of the cup-shaped tangent tower of circuit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (8)
1. the cup-shaped tangent tower of a kind of transmission line of electricity, it is characterised in that the cup-shaped tangent tower of transmission line of electricity includes：
Two are cranked arm and crossbeam；
Described two one end connections of cranking arm, the other end is separated, and the crossbeam is horizontally set on described two cranking arm；
It is mounted with an I type insulator chain in the middle part of the crossbeam, two upper ends cranked arm are mounted with V-type insulator chain
Two ends, the point of the middle part suspension I type insulator chains of the crossbeam and described two upper points for hanging the V-type insulator chains of cranking arm
Spatially form triangle.
2. the cup-shaped tangent tower of transmission line of electricity according to claim 1, it is characterised in that
The cup-shaped tangent tower of transmission line of electricity also includes：Left horizontal stretcher, right horizontal stretcher, the left horizontal stretcher and the right horizontal stretcher are respectively provided with
At the crossbeam two ends, the right-hand member of the left end of the left horizontal stretcher and the right horizontal stretcher is mounted with an I type insulator chain respectively.
3. the cup-shaped tangent tower of transmission line of electricity according to claim 2, it is characterised in that the left end of the left horizontal stretcher and described
The right-hand member of right horizontal stretcher is downward-sloping.
4. the cup-shaped tangent tower of transmission line of electricity according to claim 1, it is characterised in that what the V-type insulator chain was formed
Angle is 140~170 °.
5. the cup-shaped tangent tower of transmission line of electricity according to claim 1, it is characterised in that the cup-shaped tangent tower of transmission line of electricity
Including：Tower body and earth wire rack,
The top of the tower body is connected with described two connection ends cranked arm, the earth wire rack be arranged on it is described two crank arm point
From end.
6. the cup-shaped tangent tower of transmission line of electricity according to claim 5, it is characterised in that
The tower body is trapezium structure.
7. the cup-shaped tangent tower of transmission line of electricity according to claim 1, it is characterised in that
The tangent tower body is axially symmetric structure.
8. the cup-shaped tangent tower of transmission line of electricity according to claim 1, it is characterised in that
The I types insulator chain of the middle part suspension of the crossbeam is cranked arm described in upper suspension away from one end of the crossbeam with described two
The bottom connection of V-type insulator chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072547.3U CN206189987U (en) | 2016-09-22 | 2016-09-22 | Cup -shaped tangent tower of transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072547.3U CN206189987U (en) | 2016-09-22 | 2016-09-22 | Cup -shaped tangent tower of transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206189987U true CN206189987U (en) | 2017-05-24 |
Family
ID=58729981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621072547.3U Active CN206189987U (en) | 2016-09-22 | 2016-09-22 | Cup -shaped tangent tower of transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206189987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599072A (en) * | 2018-07-02 | 2018-09-28 | 华润新能源（阳江）风能有限公司 | A kind of line protective devices |
| CN113053595A (en) * | 2021-02-02 | 2021-06-29 | 中国电力工程顾问集团西南电力设计院有限公司 | 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles |
-
2016
- 2016-09-22 CN CN201621072547.3U patent/CN206189987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599072A (en) * | 2018-07-02 | 2018-09-28 | 华润新能源（阳江）风能有限公司 | A kind of line protective devices |
| CN113053595A (en) * | 2021-02-02 | 2021-06-29 | 中国电力工程顾问集团西南电力设计院有限公司 | 750kV line cross yoke plate windage yaw prevention anchor type insulator string that dangles |
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