CN204152283U - A kind of alternating-current extra-high voltage one-tower double-circuit linear tower - Google Patents
A kind of alternating-current extra-high voltage one-tower double-circuit linear tower Download PDFInfo
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- CN204152283U CN204152283U CN201320771796.1U CN201320771796U CN204152283U CN 204152283 U CN204152283 U CN 204152283U CN 201320771796 U CN201320771796 U CN 201320771796U CN 204152283 U CN204152283 U CN 204152283U
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- 239000000725 suspension Substances 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 description 9
- 230000005611 electricity Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000005452 bending Methods 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 alternating-current extra-high voltage one-tower double-circuit linear tower, comprising: tower body; Be fixed on the first wire cross-arm at described tower body top, the two ends of described first wire cross-arm upper surface are provided with an earth wire support; Be fixed on described tower body, with described first wire cross-arm, there is the second wire cross-arm setting spacing; Be fixed on described tower body, with described second wire cross-arm, there is the privates cross-arm setting spacing; Wherein, described first wire cross-arm, the second wire cross-arm and privates cross-arm are provided with the hanger for fixing Y type suspension string.Described alternating-current extra-high voltage one-tower double-circuit linear tower has less width of corridor.
Description
Technical field
The utility model relates to high voltage iron tower technical field, more particularly, relates to a kind of alternating-current extra-high voltage one-tower double-circuit linear tower.
Background technology
Ultra-high voltage AC transmission technology refers generally to the technology of transmission of electricity that electric pressure is 500kV and above.Adopt UHV transmission technology can reduce the tower material index, base values, width of corridor etc. of unit transmission capacity, reduce electric energy loss during long-distance sand transport.For National energy distribution and economic development layout, adopt the extra-high voltage technology being suitable for long-distance sand transport imperative.
Along with the continuous propelling of China's power construction, line corridor is more and more in short supply.Particularly, extra high voltage line distance between centers of tracks is comparatively large, and line corridor is wider than general circuit, and the increase of line corridor directly causes increasing of housing demolition amount, and thus, the contradiction of extra high voltage line corridor anxiety is particularly outstanding.
Existing for carrying the steel tower of AC extra high voltage to be I type tangent tower, be the tangent tower adopting I type suspension string hanging wire mode.But adopt I type tangent tower conveying AC extra high voltage, in order to ensure enough electric clearances, its line corridor is wider.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of alternating-current extra-high voltage one-tower double-circuit linear tower, the problem that when carrying AC extra high voltage to solve, line corridor is wide.
For achieving the above object, the utility model provides following technical scheme:
A kind of alternating-current extra-high voltage one-tower double-circuit linear tower, comprising:
Tower body;
Be fixed on the first wire cross-arm at described tower body top, the two ends of described first wire cross-arm upper surface are provided with an earth wire support;
Be fixed on described tower body, with described first wire cross-arm, there is the second wire cross-arm setting spacing;
Be fixed on described tower body, with described second wire cross-arm, there is the privates cross-arm setting spacing;
Wherein, described first wire cross-arm, the second wire cross-arm and privates cross-arm are provided with the hanger for fixing Y type suspension string.
Preferably, in above-mentioned alternating-current extra-high voltage one-tower double-circuit linear tower, one end of described privates cross-arm is 20.22m-20.59m apart from the distance range of the axis of described tower body vertical direction, comprises endpoint value.
Preferably, in above-mentioned alternating-current extra-high voltage one-tower double-circuit linear tower, one end of described second wire cross-arm is 18.89m-19.19m apart from the distance range of the axis of described tower body vertical direction, comprises endpoint value.
Preferably, in above-mentioned alternating-current extra-high voltage one-tower double-circuit linear tower, one end of described first wire cross-arm is 18.19m-18.59m apart from the distance range of the axis of described tower body vertical direction, comprises endpoint value.
Preferably, in above-mentioned alternating-current extra-high voltage one-tower double-circuit linear tower, described privates cross-arm is also provided with the hanger for fixing V-type suspension string.
Preferably, in above-mentioned alternating-current extra-high voltage one-tower double-circuit linear tower, exhaling of described alternating-current extra-high voltage one-tower double-circuit linear tower claims high scope to be 54m-69m, comprises endpoint value.
Preferably, in above-mentioned alternating-current extra-high voltage one-tower double-circuit linear tower, described earth wire support one end and described first wire cross-arm are fixed, and the other end deviates from described tower body and extends to tiltedly upper;
Wherein, after described first wire cross-arm, the second wire cross-arm and privates cross-arm hang Y type suspension string, the contact point of Y type suspension string and wire the projection of horizontal plane be positioned at accordingly line bracket in the projection of described horizontal plane.
As can be seen from technique scheme, first wire cross-arm of alternating-current extra-high voltage one-tower double-circuit linear tower provided by the utility model, described second wire cross-arm and privates cross-arm are provided with the hanger for fixing Y type suspension string, namely described first wire cross-arm, described second wire cross-arm and privates cross-arm all can be used for the cross-arm of the hanger of fixing Y type suspension string, when carrying out AC extra high voltage transmission of electricity, the width of corridor of transmission line of electricity effectively can be reduced.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of alternating-current extra-high voltage one-tower double-circuit linear tower common in prior art;
The structural representation of a kind of alternating-current extra-high voltage one-tower double-circuit linear tower that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the partial enlarged drawing in Fig. 2.
Detailed description of the invention
Just as described in the background section, the tangent tower of prior art I type suspension string hanging wire mode of employing when carrying out AC extra high voltage conveying.
With reference to a kind of alternating current extra-high voltage co-tower double I string tangent tower that figure 1, Fig. 1 is common in prior art, be provided with I type suspension string at the two ends of upper conductor cross-arm 1, middle wire cross-arm 2 and lower wire cross-arm 3.
But, hunting range is larger with the wind due to I type suspension string for the tangent tower of employing I type suspension string hanging wire mode, in order to ensure to be suspended on the wire of I type suspension string lower end and support between each cross-arm tower body and between contiguous cross-arm there is enough electric clearances, need to arrange larger line corridor width.
Inventor studies discovery, the high voltage iron tower of I type suspension string can be adopted to carry out the conveying of AC extra high voltage, can effectively reduce line corridor width.
Based on above-mentioned research, the utility model provides a kind of alternating-current extra-high voltage one-tower double-circuit linear tower, comprising:
Be fixed on the first wire cross-arm at described tower body top, the two ends of described first wire cross-arm upper surface are provided with an earth wire support;
Be fixed on described tower body, with described first wire cross-arm, there is the second wire cross-arm setting spacing;
Be fixed on described tower body, with described second wire cross-arm, there is the privates cross-arm setting spacing;
Wherein, described first wire cross-arm, the second wire cross-arm and privates cross-arm are provided with the hanger for fixing Y type suspension string.
First wire cross-arm of alternating-current extra-high voltage one-tower double-circuit linear tower provided by the utility model, described second wire cross-arm and privates cross-arm are provided with the hanger for fixing Y type suspension string, namely described first wire cross-arm, described second wire cross-arm and privates cross-arm all can be used for the cross-arm of the hanger of fixing Y type suspension string, when carrying out AC extra high voltage transmission of electricity, the width of corridor of transmission line of electricity effectively can be reduced.
It is more than the core concept of the application, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
Secondly; the utility model is described in detail in conjunction with schematic diagram; when describing the utility model embodiment in detail; for ease of explanation; the schematic diagram of indication device part structure can be disobeyed general ratio and be made partial enlargement; and described schematic diagram is example, it should not limit the scope of the utility model protection at this.In addition, the three-dimensional space of length, width and height should be comprised in actual fabrication.
Based on above-mentioned thought, the embodiment of the present application provides a kind of alternating-current extra-high voltage one-tower double-circuit linear tower, with reference to figure 2, comprising: tower body 11; Be fixed on the first wire cross-arm 13 at described tower body 11 top, the two ends of described first wire cross-arm 13 upper surface are provided with an earth wire support 12; Be fixed on described tower body 11, with described first wire cross-arm 13, there is the second wire cross-arm 14 setting spacing; Be fixed on described tower body 11, with described second wire cross-arm 14, there is the privates cross-arm setting spacing.
Wherein, two parts that described first wire cross-arm 13 is positioned at described tower body 11 both sides are provided with hanger 21 for fixing Y type suspension string and hanger 22.Two parts that described second wire cross-arm 14 is positioned at described tower body 11 both sides are provided with hanger 23 for fixing Y type suspension string and hanger 24.Two parts that described privates cross-arm 15 is positioned at described tower body 11 both sides are provided with hanger 25 for fixing Y type suspension string and hanger 26.
When corresponding cross-arm one side mounting Y type suspension string, above Y type suspension string, two end points connect with the hanger of two on corresponding cross-arm respectively, and below described Y type suspension string, end points is for hanging high-voltage line.By design cross-arm length and each cross-arm spacing, make Y type suspension string top subtended angle α scope be 90 °-110 °, electric clearance radius of circle is 6m-7m, and electric clearance radius of circle can be designed as 6.2m or 6.7m in the specific implementation.Wherein, described electric clearance circle (in figure shown in dashed circle) radius refers to that on corresponding Y type suspension string, high-voltage line hitch point is that circle is drawn, with tower body and the disjoint maximum region space of wire cross-arm in the center of circle.
When privates cross-arm 15 hangs high-voltage line, in the present embodiment, described 3rd cross guide line load 15 is provided with an additional hanger 27 between two hangers 27 and tower body, and described annex hanger 27 is common for fixing V-type suspension string with the hanger 25 being positioned at tower body 11 the same side.To reduce high-voltage line distance over the ground, thus reduce tower body height.
Fig. 3 shows and is positioned at the second wire cross-arm 14 situation hanger 23 of tower body 11 left part, hanger 24 hanging Y type suspension string, and now below Y type suspension string, terminal A electric clearance radius of a circle is 6.7m, Y type suspension string top subtended angle α is 105 °.
In the present embodiment, one end of described privates cross-arm is 20.22m-20.59m apart from the distance L3 scope of the axis of described tower body vertical direction, comprises endpoint value.In the specific implementation, can be designed as 20.20m, or 20.39m, or 20.49m, or 20.59m.
One end of described second wire cross-arm is 18.89m-19.19m apart from the distance L2 scope of the axis of described tower body vertical direction, comprises endpoint value.In the specific implementation, can be designed as 18.89m, or 18.99m, or 19.09m, or 19.19m.
One end of described first wire cross-arm is 18.19m-18.59m apart from the distance L1 scope of the axis of described tower body vertical direction, comprises endpoint value.In the specific implementation, can be designed as 18.19m, or 18.29m, or 18.39m, or 18.59m.
Exhaling of described alternating-current extra-high voltage one-tower double-circuit linear tower claims high H scope to be 48m-72m, comprises endpoint value.In the specific implementation, can be designed as 54m, or 60m.
The hitch point of described earth wire support 12 is 4.5m-5.5m with the vertical height K1 of the hitch point of the hanger 21 of corresponding one deck, comprises endpoint value.In the specific implementation, can be designed as 5m.Described earth wire support one end and described first wire cross-arm are fixed, and the other end deviates from described tower body and extends to tiltedly upper.
Wherein, after described first wire cross-arm, the second wire cross-arm and privates cross-arm hang Y type suspension string; the contact point of Y type suspension string and wire the projection of horizontal plane be positioned at accordingly line bracket in the projection of described horizontal plane; to make the shielding angle of described earth wire support for negative protection, avoid the damage of being struck by lightning to each cross-arm upper conductor.Described earth wire support 12 adopts trussed construction, to make full use of material, improves stability.
Described hanger 21 is apart from the vertical height of hanger 23, and namely the vertical spacing K2 of the first wire cross-arm and the second wire cross-arm is 20m-22m, comprises endpoint value.In the specific implementation, can be designed as 20.8m.
Described hanger 23 is apart from the vertical height of hanger 25, and namely the vertical spacing K3 of the second wire cross-arm and privates cross-arm is 20m-22m, comprises endpoint value.In the specific implementation, can be designed as 20.8m or 21.3m.
The open top width E of described tower body 11 is 4m-5m, comprises endpoint value.In the specific implementation, can be designed as 4.6m.Described tower body becomes slope place bottleneck width P into 7m-8m and comprises endpoint value.In the specific implementation, can be designed as 7.8m.Tower body 11 arranges structure every face, makes tower body 11 have enough bending resistances, torsional rigidity, and the distortion meeting steel tower limits requirement.
Alternating-current extra-high voltage one-tower double-circuit linear tower described in the present embodiment is umbellate form steel tower, under the condition meeting electric clearance requirement, arranging, making tower head size, tower body opening, the gradient etc., reaching the object reducing tower weight by optimizing tower head.Be applicable to wind speed and be no more than 32m/s, ice covering thickness is no more than 10mm, and height above sea level is no more than 1000m, and horizontal span is 430m-650m, and vertical span is 550m-800m, and delivering the number of degrees is in the environment of 0 °-3 °, transmits electricity for AC extra high voltage.
The alternating-current extra-high voltage one-tower double-circuit linear tower that the present embodiment provides is the Y type tangent tower adopting Y type to hang string, props up transmission tower relative to I type, adopts two hitch point, makes high-voltage line wind loading rating stronger, can effectively reduce line corridor width.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. an alternating-current extra-high voltage one-tower double-circuit linear tower, is characterized in that, comprising:
Tower body;
Be fixed on the first wire cross-arm at described tower body top, the two ends of described first wire cross-arm upper surface are provided with an earth wire support;
Be fixed on described tower body, with described first wire cross-arm, there is the second wire cross-arm setting spacing;
Be fixed on described tower body, with described second wire cross-arm, there is the privates cross-arm setting spacing;
Wherein, described first wire cross-arm, the second wire cross-arm and privates cross-arm are provided with the hanger for fixing Y type suspension string; Described privates cross-arm is also provided with the hanger for fixing V-type suspension string.
2. alternating-current extra-high voltage one-tower double-circuit linear tower according to claim 1, is characterized in that, one end of described privates cross-arm is 20.22m-20.59m apart from the distance range of the axis of described tower body vertical direction, comprises endpoint value.
3. alternating-current extra-high voltage one-tower double-circuit linear tower according to claim 1, is characterized in that, one end of described second wire cross-arm is 18.89m-19.19m apart from the distance range of the axis of described tower body vertical direction, comprises endpoint value.
4. alternating-current extra-high voltage one-tower double-circuit linear tower according to claim 1, is characterized in that, one end of described first wire cross-arm is 18.19m-18.59m apart from the distance range of the axis of described tower body vertical direction, comprises endpoint value.
5. alternating-current extra-high voltage one-tower double-circuit linear tower according to claim 1, is characterized in that, exhaling of described alternating-current extra-high voltage one-tower double-circuit linear tower claims high scope to be 54m-69m, comprises endpoint value.
6. alternating-current extra-high voltage one-tower double-circuit linear tower according to claim 1, is characterized in that, described earth wire support one end and described first wire cross-arm are fixed, and the other end deviates from described tower body and extends to tiltedly upper;
Wherein, after described first wire cross-arm, the second wire cross-arm and privates cross-arm hang Y type suspension string, the contact point of Y type suspension string and wire the projection of horizontal plane be positioned at accordingly line bracket in the projection of described horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320771796.1U CN204152283U (en) | 2013-11-22 | 2013-11-22 | A kind of alternating-current extra-high voltage one-tower double-circuit linear tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320771796.1U CN204152283U (en) | 2013-11-22 | 2013-11-22 | A kind of alternating-current extra-high voltage one-tower double-circuit linear tower |
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| CN204152283U true CN204152283U (en) | 2015-02-11 |
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| CN201320771796.1U Expired - Lifetime CN204152283U (en) | 2013-11-22 | 2013-11-22 | A kind of alternating-current extra-high voltage one-tower double-circuit linear tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726703A (en) * | 2013-11-22 | 2014-04-16 | 国家电网公司 | Alternating current extra-high voltage same-tower double-circuit tangent tower |
-
2013
- 2013-11-22 CN CN201320771796.1U patent/CN204152283U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726703A (en) * | 2013-11-22 | 2014-04-16 | 国家电网公司 | Alternating current extra-high voltage same-tower double-circuit tangent tower |
| CN103726703B (en) * | 2013-11-22 | 2016-04-13 | 国家电网公司 | A kind of alternating-current extra-high voltage one-tower double-circuit linear tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100030, Beijing, Xicheng District, West Chang'an Avenue, No. 86, Power Grid Corp Patentee after: State Grid Corporation of China Patentee after: CHINA POWER ENGINEERING CONSULTING (GROUP) CORPORATION Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: Co., Ltd of Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee after: Co., Ltd of Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Patentee after: China Power Engineering Consulting Group Southwest Electric Power Design Institute Co., Ltd. Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: China Power Engineering Consulting Group Corporation Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Patentee before: Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee before: Huabei Power Design Inst., China Power Engineering Consulting Group Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee before: Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation Patentee before: North China Electric Power Design Institute of China Power Engineering Consulting Group Corporation |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150211 Effective date of abandoning: 20160413 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |