CN209212027U - A kind of Tibet High aititude cliffy mountain single loop shaft tower - Google Patents
A kind of Tibet High aititude cliffy mountain single loop shaft tower Download PDFInfo
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- CN209212027U CN209212027U CN201821918904.2U CN201821918904U CN209212027U CN 209212027 U CN209212027 U CN 209212027U CN 201821918904 U CN201821918904 U CN 201821918904U CN 209212027 U CN209212027 U CN 209212027U
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- 239000004020 conductor Substances 0.000 claims abstract description 20
- 239000003351 stiffener Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000012876 topography Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of Tibet High aititude cliffy mountain single loop shaft tower, tower head is the lower font of triangle arrangement, and two upper phase conductor hanging point arrangements and upper cross-arm two sides, lower phase conductor hanging point are arranged far from mountain top；Tower head is designed using the lower font of triangle arrangement, cross-arm two sides are mutually arranged on two, phase is most descended to be arranged far from the tower body of massif, in steep hill, relatively distance does not play control action for side far from massif, and close to massif most under relatively distance play a control action, reasonable structural arrangement, force structure is simple, has complete bearing function and required rigidity；Tower height can be effectively reduced, to save tower weight, reduce the workload of construction shaft tower, use manpower and material resources sparingly, significantly improve economic benefit.
Description
Technical field
The utility model belongs to transmission tower field, and in particular to a kind of Tibet High aititude cliffy mountain single loop shaft tower.
Background technique
Since height above sea level is higher, topography is precipitous etc., factors determine that the region transmission line of electricity has following spy for Tibet region
Point, height above sea level cause shaft tower size to increase；Topography is precipitous to cause vertical tower condition poor, the steep place of topography, close to leading for hillside
Line distance to the ground often plays control action to tower height.Single loop shaft tower in China's mostly uses conventional dry font design at present, and conducting wire is adopted
With triangle arrangement, upper phase is arranged among tower head, and tower body two sides are mutually arranged under two.When the tower is used in cliffy mountain, often
The lower phase conductor hanging point distance to the ground that will appear close massif is inadequate, needs to increase tower height, tower is caused to increase again, economic benefit phase
To poor.
Common single loop shaft tower pattern domestic at present is mostly that the routine of conducting wire triangle arrangement does font, and conducting wire is arranged using triangle
Column, upper phase are arranged among tower head, and tower body two sides are mutually arranged under two.Since Tibet region height above sea level is higher, lead to electric clearance
Larger, so that shaft tower tower head control size is larger, cross-arm is longer；Tibet region massif is precipitous simultaneously, most of massif slopes
Degree is all at 30 ° or more.From the point of view of conducting wire distance to the ground angle, when tower head or cross-arm size are bigger, close to massif at precipitous topography
Conducting wire distance to the ground more control tower height；On the other hand, when the massif gradient is gradually increased, close to the conducting wire distance to the ground of massif
It is unsatisfactory for requiring.Above situation can only be met by increasing shaft tower height, and while shaft tower extended height, increased shaft tower
's；Cause Tibet High aititude cliffy mountain shaft tower using height it is larger, tower increase again it is more, engineering ontology investment substantially increases
Add, seriously affects the economic benefit of engineering.Therefore, exploitation is suitable for the novel single loop shaft tower type in Tibet High aititude cliffy mountain
Formula is a technical problem to be solved urgently.
Utility model content
The utility model aim is to provide a kind of Tibet High aititude cliffy mountain single loop shaft tower, can use well
At High aititude cliffy mountain, not only readily satisfies close to the distance to the ground requirement of massif conducting wire, reduces shaft tower height, save tower weight,
And tower structure pattern is simple, it is easy to accomplish.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of single time of Tibet High aititude cliffy mountain
Line pole tower, tower head are the lower font of triangle arrangement, and two upper phase conductor hangers are arranged in cross-arm two sides, and lower phase conductor hanging point is set
It sets in lower cross-arm, lower cross-arm is arranged far from the side of massif.
Earth wire support is provided separately within top of tower.
Conducting wire three-phase cross-arm is provided with wire jumper hanging point, and wire jumper hanging point is arranged far from shaft tower end.
Wire jumper hanging point is provided on upper cross-arm on the outside of corner, wire jumper hanging point is located at the outside of strain insulator-string hanging point.
Upper cross-arm length on the outside of corner is greater than the upper cross-arm length on the inside of corner.
The lower part setting of tower body tension side is improved the stiffener of tower body tensile strength, the compression side lower part setting of tower body
It is improved the stiffener of tower body compression strength.
The stiffener is identical as component model used in tower body.
Compared with prior art, the utility model at least has the advantages that, tower head uses the lower word of triangle arrangement
Type designs, and is mutually arranged in cross-arm two sides on two, phase is most descended to be arranged far from the tower body of massif, and the side far from massif is opposite
Ground distance does not play control action, and close to massif most under relatively distance play a control action, reasonable structural arrangement, stress knot
Structure is simple, has complete bearing function and required rigidity；Tower height can be effectively reduced, to reduce tower weight, reduce construction bar
The workload of tower, uses manpower and material resources sparingly, and significantly improves economic benefit；Reduce power transmission line simultaneously to the arm of force of tower pulling force, shaft tower fortune
Row is more safe and reliable；In addition in cliffy mountain, shaft tower is mostly angle tower, needs to bear bigger tension, therefore can be effectively reduced
Tower body height, and then shorten the tension arm of force, the torque that equality strength shaft tower component is subjected to is reduced, is had significantly to cost is reduced
Effect.
Further, the upper cross-arm length on the outside of corner is greater than the upper cross-arm length on the inside of corner, is conducive to balance
Shaft tower stress.
Further, the lower part setting of tower body tension side is improved the stiffener of tower body tensile strength, the compression of tower body
The stiffener for being improved tower body compression strength is arranged in side lower part, and the stiffener is identical as component model used in tower body, energy
The tensile strength and compression strength for effectively improving shaft tower improve the stability and safety of shaft tower.
Detailed description of the invention
Fig. 1 is the single line schematic diagram figure of shaft tower described in the utility model；
Fig. 2 is that column foot described in the utility model is in the schematic diagram being less than under critical grade landform；
Fig. 3 is that column foot described in the utility model is in the schematic diagram being greater than under critical grade landform.
In attached drawing: 1, earth wire support；2, upper phase conductor hanger；3, lower phase conductor hanging point.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
The line chart of the present embodiment as shown in Figure 1, earth wire rack 1 use the tower-shaped formula of drum type, and phase conductor hanger 2 is horizontal on two
Be arranged in tower body two sides, by lower phase conductor hanging point 3 be set to tower body far from massif at；The unique arrangement type of single loop tower structure
Formula has fully considered the characteristics of High aititude cliffy mountain；Since height above sea level is higher, need to reduce tower height as far as possible, therefore tower head uses
The lower font of triangle arrangement designs, specifically, the two sides same level height of vertical tower body, third phase is arranged in phase cross-arm on two
Conducting wire cross-arm is arranged in the lower section of phase cross-arm on two, and tower body, phase cross-arm and third phase conductor cross-arm form lower font bar on two
Tower；Phase conductor hanger is arranged in cross-arm both ends on two, and third phase conducting wire hanging point is arranged at the tower body far from massif.
It is illustrated in figure 2 column foot described in the utility model and is in layout drawing under steeper landform, when topography is relatively flat, i.e.,
When shape gradient A is less than critical value, far from phase conductor distance to the ground H under massif2Less than close to phase conductor distance to the ground H under massif1,
The height distance to the ground H of this phase conductor hanging point 3 at present2There is control action to tower height；
As shown in figure 3, when topography is more precipitous, when terrain slope A is greater than critical value value, far from phase conductor hanging point under massif
3 height distance to the ground H2Greater than close to phase conductor distance to the ground H under massif1, distance to the ground H at this time1Production is started to control to tower height
With at this moment the high Fixed Initial Point of exhaling of shaft tower is the lower phase conductor hanging point 3 close to massif.
Critical angle representative value described in the utility model is 32 degree.
The utility model rearranges arrangement of conductor, in conjunction with drum type tower earth wire support, obtains single loop shaft tower type
Formula meets High aititude cliffy mountain lineament, and can be applied to the transmission tower of other cliffy mountain, can be effective
Tower height is reduced, while having the effect of that construction is reasonable, power transmission is simple, beautiful economical.
The above content is combining specific preferred embodiment to be further described to made by utility model, cannot recognize
Determine specific embodiment of the present utility model and be only limitted to this, the utility model person of an ordinary skill in the technical field is come
It says, without departing from the concept of the premise utility, several simple deduction or replace can also be made, all should be considered as belonging to
In the utility model scope of patent protection determined by the appended claims.
Claims (7)
1. a kind of Tibet High aititude cliffy mountain single loop shaft tower, which is characterized in that tower head be triangle arrangement lower font, two
Upper phase conductor hanger (2) is arranged in cross-arm two sides, and lower phase conductor hanging point (3) is arranged in lower cross-arm, and lower cross-arm is arranged far from
The side of massif.
2. Tibet High aititude according to claim 1 cliffy mountain single loop shaft tower, which is characterized in that earth wire support (1)
It is provided separately within top of tower.
3. Tibet High aititude according to claim 1 cliffy mountain single loop shaft tower, which is characterized in that conducting wire three-phase cross-arm
It is provided with wire jumper hanging point, wire jumper hanging point is arranged far from shaft tower end.
4. Tibet High aititude according to claim 1 cliffy mountain single loop shaft tower, which is characterized in that upper on the outside of corner
Wire jumper hanging point is provided on cross-arm, wire jumper hanging point is located at the outside of strain insulator-string hanging point.
5. Tibet High aititude according to claim 1 cliffy mountain single loop shaft tower, which is characterized in that be located on the outside of corner
Upper cross-arm length be greater than corner on the inside of upper cross-arm length.
6. Tibet High aititude according to claim 1 cliffy mountain single loop shaft tower, which is characterized in that tower body tension side
The stiffener for being improved tower body tensile strength is arranged in lower part, and the compression side lower part of tower body, which is provided with, improves tower body compression strength
Stiffener.
7. Tibet High aititude according to claim 6 cliffy mountain single loop shaft tower, which is characterized in that the stiffener
It is identical as component model used in tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918904.2U CN209212027U (en) | 2018-11-20 | 2018-11-20 | A kind of Tibet High aititude cliffy mountain single loop shaft tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821918904.2U CN209212027U (en) | 2018-11-20 | 2018-11-20 | A kind of Tibet High aititude cliffy mountain single loop shaft tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212027U true CN209212027U (en) | 2019-08-06 |
Family
ID=67460380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821918904.2U Active CN209212027U (en) | 2018-11-20 | 2018-11-20 | A kind of Tibet High aititude cliffy mountain single loop shaft tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212027U (en) |
-
2018
- 2018-11-20 CN CN201821918904.2U patent/CN209212027U/en active Active
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