CN203160799U - Single-circuit tension-resistant tower for 220kV power transmission lines in 32.5/s wind zones at altitude of below 5500m - Google Patents
Single-circuit tension-resistant tower for 220kV power transmission lines in 32.5/s wind zones at altitude of below 5500m Download PDFInfo
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- CN203160799U CN203160799U CN 201320076325 CN201320076325U CN203160799U CN 203160799 U CN203160799 U CN 203160799U CN 201320076325 CN201320076325 CN 201320076325 CN 201320076325 U CN201320076325 U CN 201320076325U CN 203160799 U CN203160799 U CN 203160799U
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Abstract
The utility model discloses a single-circuit tension-resistant tower for 220kV power transmission lines in 32.5/s wind zones at an altitude of below 5500m. The single-circuit tension-resistant tower comprises a tower leg, a tower body and a tower head, the tower body is a one-time variable-slope tower body, the tower head which is 'F-shaped' comprises a ground wire support, a lead cross arm and a jumper frame, the ground wire support is of an independent suspension arm type triangular structure, the lead cross arm is of a triangular cross arm type, middle-phase leads are directly hung on a lead insulator chain hanging point of the tower body and are arranged triangularly, the jumper frame is directly overhung on the ground wire support, and the connecting leg of the tower body is a non-shared leg. The single-circuit tension-resistant tower can be in normal operation in a special environment of the Tibet region, and discharging danger is avoided while cost is controlled to the greatest extent. Meanwhile, the single-circuit tension-resistant tower meets special application requirements of the 32.5/s wind zones and complicated climate and terrain conditions.
Description
Technical field
The utility model relates to the following 32.5m wind of a kind of height above sea level 5500m district 220kV transmission line of electricity list and returns anchor support.
Background technology
Tibet Autonomous Region's mean sea level is the main part of Qinghai-Tibet Platean more than 4000 meters, and the title of " roof of the world " is arranged.Along with the Tibet region is vigorous day by day to the demand of electric power, for satisfying the need for electricity of Tibet region people of all nationalities, need carry out long distance power transmission to the Tibet region, and specific condition such as the Tibet region mountain shape is dangerously steep, geological conditions is poor, have inconvenient traffic, height above sea level, complicated plateau climate, icing are serious, transmission line of electricity is had special requirement, and it is all very high to set up difficulty and cost.For addressing this problem, realize the allocating task of the electric power energy that the Qinghai-Tibet DC line is carried, need one of design to be used for the following regional 32.5m of height above sea level 5500m/s wind district 220kV transmission line of electricity.Because the special applied environment of this circuit, existing anchor support can not satisfy its application requirements, must design novel anchor support, make its normal operation under the special environment in Tibet region, neither produce the danger of discharge, control cost to greatest extent again, satisfy special applications requirement under 32.5m/s wind district and complicated weather and orographic condition.
The utility model content
The purpose of this utility model is at above-mentioned situation, provides the following 32.5m wind of a kind of height above sea level 5500m district 220kV transmission line of electricity list to return anchor support.
The purpose of this utility model realizes by following technical proposals:
The following 32.5m wind of a kind of height above sea level 5500m district 220kV transmission line of electricity list returns anchor support, comprise tower leg, body of the tower and tower head, described body of the tower is for once becoming sloping body of the tower, tower head is made of ground line bracket, lead cross-arm and jumper wire rack, described tower head pattern is " doing font ", described ground line bracket adopts the independent cantilevered triangular structure, the polygon leg cross-arm is triangle cross-arm pattern, middle phase conductor directly is hung on the middle wire insulation substring hanging point of body of the tower, rounded projections arranged between lead, the direct cantilever of described jumper wire rack is on the ground line bracket, and the leg that connects of described body of the tower is unshared leg.
As optimal way, the tower leg height B 1 of described anchor support is 9000mm, the lead cross-arm is 1500mm to the height B 2 of knick point, exhaling high B is 30000mm, tower head height C is 13000mm, lead cross-arm bottom is 7500mm to the height C1 of middle wire insulation substring hanging point, middle wire insulation substring hanging point is 5500mm to the height C2 of cat head, it is 8840mm that positive full root is opened A1, once becomes the wide A2 of groove and is 3140mm, and interior angle side ground wire stent length C3 is 5400mm, exterior angle side ground wire stent length C4 is 8400mm, exterior angle side lead cross-arm length C 5 is 7300mm, and interior angle side lead cross-arm length C 6 is 7300mm, and lead cross-arm hanging point space D is 460mm.
As optimal way, the tower leg height B 1 of described anchor support is 10000mm, the lead cross-arm is 1800mm to the height B 2 of knick point, exhaling high B is 30000mm, tower head height C is 13000mm, lead cross-arm bottom is 7500mm to the height C1 of middle wire insulation substring hanging point, middle wire insulation substring hanging point is 5500mm to the height C2 of cat head, it is 9544mm that positive full root is opened A1, once becomes the wide A2 of groove and is 3340mm, and interior angle side ground wire stent length C3 is 6200mm, exterior angle side ground wire stent length C4 is 8900mm, exterior angle side lead cross-arm length C 5 is 8100mm, and interior angle side lead cross-arm length C 6 is 7300mm, and lead cross-arm hanging point space D is 480mm.
As optimal way, the tower leg height B 1 of described anchor support is 10000mm, the lead cross-arm is 1800mm to the height B 2 of knick point, exhaling high B is 30000mm, tower head height C is 13000mm, lead cross-arm bottom is 7500mm to the height C1 of middle wire insulation substring hanging point, middle wire insulation substring hanging point is 5500mm to the height C2 of cat head, it is 10308mm that positive full root is opened A1, once becomes the wide A2 of groove and is 3540mm, and interior angle side ground wire stent length C3 is 7000mm, exterior angle side ground wire stent length C4 is 8900mm, exterior angle side lead cross-arm length C 5 is 8900mm, and interior angle side lead cross-arm length C 6 is 7300mm, and lead cross-arm hanging point space D is 520mm.
As optimal way, the tower leg height B 1 of described anchor support is 10000mm, the lead cross-arm is 1800mm to the height B 2 of knick point, exhaling high B is 30000mm, tower head height C is 13200mm, lead cross-arm bottom is 7700mm to the height C1 of middle wire insulation substring hanging point, middle wire insulation substring hanging point is 5500mm to the height C2 of cat head, it is 9544mm that positive full root is opened A1, once becomes the wide A2 of groove and is 3340mm, and interior angle side ground wire stent length C3 is 5900mm, exterior angle side ground wire stent length C4 is 8900mm, exterior angle side lead cross-arm length C 5 is 7800mm, and interior angle side lead cross-arm length C 6 is 7400mm, and lead cross-arm hanging point space D is 470mm.
As optimal way, described tower leg is unshared leg, namely only limits the height of one leg, and all the other tower leg height are adjusted according to the landform needs.
As optimal way, described anchor support adopts equal leg angle to build, and described equal leg angle connects by bolt each other.
The beneficial effects of the utility model are as follows:
1 arrangements of conductors mode: the mode of rounded projections arranged, good looking appearance not only, and make iron tower stressed evenly.Therefore, single time anchor support of 220kV, lead should adopt rounded projections arranged.Middle phase conductor directly is hung on body of the tower, has avoided its unbalanced tensile force to the moment of torsion that body of the tower produces, and has reduced tower weight.Clearly, the anchor support lead adopts the rounded projections arranged mode to have tangible economic advantages.
2 tower head patterns: the tower head pattern is " doing font ", and profile is light and handy, and power transmission is clear; The node requirement on machining accuracy is lower, easy for installation.
3 cross-arm patterns: the polygon leg cross-arm is triangle cross-arm pattern, and power transmission is clear, and node processing is simple, the requirement of very practical and 220kV conductor load.
4 ground wire support patterns: the ground line bracket is the triangular supports pattern, and simple structure satisfies the requirement of 220kV ground line load simultaneously fully.
5 jumper wire rack patterns: cantilever with ground wire common land line bracket, has been avoided increasing because of the tower weight that structure requires to produce on the ground line bracket, can effectively control the tower head height again.
6 bodies of the tower connect leg: all connect leg and all adopt unshared leg, make the unequal leg of iron tower more can satisfy the landform requirement in the precipitous mountain area of periphery, Lhasa, reduce engineering evolution amount, satisfy the requirement that environmental protection water in Tibet region is protected.
7 rational size design make the anchor support can normal operation under the special environment in Tibet region, neither produce the danger of discharge, control cost to greatest extent again, satisfy special applications requirement under 32.5m/s wind district and complicated weather and orographic condition simultaneously.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
1 is that tower leg, 2 is body of the tower, and 3 is tower head, and 31 is that lead cross-arm, 32 is the ground line bracket, and 33 is jumper wire rack, and 4 is middle wire insulation substring hanging point, and 5 is knick point.
The specific embodiment
Below in conjunction with specific embodiments and the drawings the utility model is further described.
As shown in Figure 1, the following 32.5m wind of a kind of height above sea level 5500m district 220kV transmission line of electricity list returns anchor support, comprise tower leg 1, body of the tower 2 and tower head 3, described body of the tower 2 is for once becoming sloping body of the tower, tower head is by ground line bracket 32, lead cross-arm 31 and jumper wire rack 33 constitute, described tower head pattern is " doing font ", described ground line bracket adopts the independent cantilevered triangular structure, the polygon leg cross-arm is triangle cross-arm pattern, middle phase conductor directly is hung on the middle wire insulation substring hanging point 4 of body of the tower, rounded projections arranged between lead, the direct cantilever of described jumper wire rack are on the ground line bracket, and the leg that connects of described body of the tower is unshared leg.
The variation of size can have following several scheme:
Scheme one: the tower leg height B 1 of described anchor support is 9000mm, the lead cross-arm is 1500mm to the height B 2 of knick point, exhaling high B is 30000mm, tower head height C is 13000mm, lead cross-arm bottom is 7500mm to the height C1 of middle wire insulation substring hanging point, middle wire insulation substring hanging point is 5500mm to the height C2 of cat head, it is 8840mm that positive full root is opened A1, once become the wide A2 of groove and be 3140mm, interior angle side ground wire stent length C3 is 5400mm, and exterior angle side ground wire stent length C4 is 8400mm, and exterior angle side lead cross-arm length C 5 is 7300mm, interior angle side lead cross-arm length C 6 is 7300mm, and lead cross-arm hanging point space D is 460mm.
Scheme two: the tower leg height B 1 of described anchor support is 10000mm, the lead cross-arm is 1800mm to the height B 2 of knick point 5, exhaling high B is 30000mm, tower head height C is 13000mm, lead cross-arm bottom is 7500mm to the height C1 of middle wire insulation substring hanging point 4, middle wire insulation substring hanging point 4 is 5500mm to the height C2 of cat head, it is 9544mm that positive full root is opened A1, once become the wide A2 of groove and be 3340mm, interior angle side ground wire stent length C3 is 6200mm, and exterior angle side ground wire stent length C4 is 8900mm, and exterior angle side lead cross-arm length C 5 is 8100mm, interior angle side lead cross-arm length C 6 is 7300mm, and lead cross-arm hanging point space D is 480mm.
Scheme three: the tower leg height B 1 of described anchor support is 10000mm, the lead cross-arm is 1800mm to the height B 2 of knick point 5, exhaling high B is 30000mm, tower head height C is 13000mm, lead cross-arm bottom is 7500mm to the height C1 of middle wire insulation substring hanging point 4, middle wire insulation substring hanging point 4 is 5500mm to the height C2 of cat head, it is 10308mm that positive full root is opened A1, once become the wide A2 of groove and be 3540mm, interior angle side ground wire stent length C3 is 7000mm, and exterior angle side ground wire stent length C4 is 8900mm, and exterior angle side lead cross-arm length C 5 is 8900mm, interior angle side lead cross-arm length C 6 is 7300mm, and lead cross-arm hanging point space D is 520mm.
Scheme four: the tower leg height B 1 of described anchor support is 10000mm, the lead cross-arm is 1800mm to the height B 2 of knick point 5, exhaling high B is 30000mm, tower head height C is 13200mm, lead cross-arm bottom is 7700mm to the height C1 of middle wire insulation substring hanging point 4, middle wire insulation substring hanging point 4 is 5500mm to the height C2 of cat head, it is 9544mm that positive full root is opened A1, once become the wide A2 of groove and be 3340mm, interior angle side ground wire stent length C3 is 5900mm, and exterior angle side ground wire stent length C4 is 8900mm, and exterior angle side lead cross-arm length C 5 is 7800mm, interior angle side lead cross-arm length C 6 is 7400mm, and lead cross-arm hanging point space D is 470mm.
Described tower leg is unshared leg, namely only limits the height of one leg, and all the other tower leg height are adjusted according to the landform needs.
Described anchor support adopts equal leg angle to build, and described equal leg angle connects by bolt each other.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. the following 32.5m wind of a height above sea level 5500m district 220kV transmission line of electricity list returns anchor support, comprise tower leg, body of the tower and tower head, it is characterized in that: described body of the tower is for once becoming sloping body of the tower, tower head is by the ground line bracket, lead cross-arm and jumper wire rack constitute, described tower head pattern is " doing font ", described ground line bracket adopts the independent cantilevered triangular structure, the lead cross-arm is triangle cross-arm pattern, middle phase conductor directly is hung on the middle wire insulation substring hanging point of body of the tower, rounded projections arranged between lead, the direct cantilever of described jumper wire rack is on the ground line bracket, and the leg that connects of described body of the tower is unshared leg.
2. the following 32.5m wind of height above sea level 5500m as claimed in claim 1 district 220kV transmission line of electricity list returns anchor support, it is characterized in that: the tower leg height B 1 of described anchor support is 9000mm, the lead cross-arm is 1500mm to the height B 2 of knick point, exhaling high B is 30000mm, tower head height C is 13000mm, lead cross-arm bottom is 7500mm to the height C1 of middle wire insulation substring hanging point, middle wire insulation substring hanging point is 5500mm to the height C2 of cat head, it is 8840mm that positive full root is opened A1, once become the wide A2 of groove and be 3140mm, interior angle side ground wire stent length C3 is 5400mm, exterior angle side ground wire stent length C4 is 8400mm, exterior angle side lead cross-arm length C 5 is 7300mm, and interior angle side lead cross-arm length C 6 is 7300mm, and lead cross-arm hanging point space D is 460mm.
3. the following 32.5m wind of height above sea level 5500m as claimed in claim 1 district 220kV transmission line of electricity list returns anchor support, it is characterized in that: the tower leg height B 1 of described anchor support is 10000mm, the lead cross-arm is 1800mm to the height B 2 of knick point, exhaling high B is 30000mm, tower head height C is 13000mm, lead cross-arm bottom is 7500mm to the height C1 of middle wire insulation substring hanging point, middle wire insulation substring hanging point is 5500mm to the height C2 of cat head, it is 9544mm that positive full root is opened A1, once become the wide A2 of groove and be 3340mm, interior angle side ground wire stent length C3 is 6200mm, exterior angle side ground wire stent length C4 is 8900mm, exterior angle side lead cross-arm length C 5 is 8100mm, and interior angle side lead cross-arm length C 6 is 7300mm, and lead cross-arm hanging point space D is 480mm.
4. the following 32.5m wind of height above sea level 5500m as claimed in claim 1 district 220kV transmission line of electricity list returns anchor support, it is characterized in that: the tower leg height B 1 of described anchor support is 10000mm, the lead cross-arm is 1800mm to the height B 2 of knick point, exhaling high B is 30000mm, tower head height C is 13000mm, lead cross-arm bottom is 7500mm to the height C1 of middle wire insulation substring hanging point, middle wire insulation substring hanging point is 5500mm to the height C2 of cat head, it is 10308mm that positive full root is opened A1, once become the wide A2 of groove and be 3540mm, interior angle side ground wire stent length C3 is 7000mm, exterior angle side ground wire stent length C4 is 8900mm, exterior angle side lead cross-arm length C 5 is 8900mm, and interior angle side lead cross-arm length C 6 is 7300mm, and lead cross-arm hanging point space D is 520mm.
5. the following 32.5m wind of height above sea level 5500m as claimed in claim 1 district 220kV transmission line of electricity list returns anchor support, it is characterized in that: the tower leg height B 1 of described anchor support is 10000mm, the lead cross-arm is 1800mm to the height B 2 of knick point, exhaling high B is 30000mm, tower head height C is 13200mm, lead cross-arm bottom is 7700mm to the height C1 of middle wire insulation substring hanging point, middle wire insulation substring hanging point is 5500mm to the height C2 of cat head, it is 9544mm that positive full root is opened A1, once become the wide A2 of groove and be 3340mm, interior angle side ground wire stent length C3 is 5900mm, exterior angle side ground wire stent length C4 is 8900mm, exterior angle side lead cross-arm length C 5 is 7800mm, and interior angle side lead cross-arm length C 6 is 7400mm, and lead cross-arm hanging point space D is 470mm.
6. the following 32.5m wind of height above sea level 5500m as claimed in claim 1 district 220kV transmission line of electricity list returns anchor support, and it is characterized in that: described tower leg is unshared leg, namely only limits the height of one leg, and all the other tower leg height are adjusted according to the landform needs.
7. return anchor support as any following 32.5m wind of described height above sea level 5500m district 220kV transmission line of electricity list among the claim 1-6, it is characterized in that: described anchor support adopts equal leg angle to build, and described equal leg angle connects by bolt each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076325 CN203160799U (en) | 2013-02-19 | 2013-02-19 | Single-circuit tension-resistant tower for 220kV power transmission lines in 32.5/s wind zones at altitude of below 5500m |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076325 CN203160799U (en) | 2013-02-19 | 2013-02-19 | Single-circuit tension-resistant tower for 220kV power transmission lines in 32.5/s wind zones at altitude of below 5500m |
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| Publication Number | Publication Date |
|---|---|
| CN203160799U true CN203160799U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320076325 Expired - Lifetime CN203160799U (en) | 2013-02-19 | 2013-02-19 | Single-circuit tension-resistant tower for 220kV power transmission lines in 32.5/s wind zones at altitude of below 5500m |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203160799U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155910A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Single-loop cut-off steel tube pole tower adopting V-shaped combined string |
| CN105257068A (en) * | 2015-09-29 | 2016-01-20 | 贵州电力设计研究院 | Direct current transmission line Z-shaped iron tower in mountainous area |
| CN109236015A (en) * | 2018-11-20 | 2019-01-18 | 国家电网有限公司 | A kind of Tibet High aititude cliffy mountain single loop shaft tower |
| CN114458069A (en) * | 2022-03-10 | 2022-05-10 | 中国能源建设集团湖南省电力设计院有限公司 | Big corner "does" style of calligraphy transformer substation strain insulator tower of being qualified for next round of competitions |
-
2013
- 2013-02-19 CN CN 201320076325 patent/CN203160799U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155910A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Single-loop cut-off steel tube pole tower adopting V-shaped combined string |
| CN105257068A (en) * | 2015-09-29 | 2016-01-20 | 贵州电力设计研究院 | Direct current transmission line Z-shaped iron tower in mountainous area |
| CN109236015A (en) * | 2018-11-20 | 2019-01-18 | 国家电网有限公司 | A kind of Tibet High aititude cliffy mountain single loop shaft tower |
| CN114458069A (en) * | 2022-03-10 | 2022-05-10 | 中国能源建设集团湖南省电力设计院有限公司 | Big corner "does" style of calligraphy transformer substation strain insulator tower of being qualified for next round of competitions |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER ENGINEERING CONSULTING GROUP SOUTHWEST Free format text: FORMER NAME: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Address before: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
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| CX01 | Expiry of patent term |