CN203626363U - Transposition tower of high-voltage alternating-current single-circuit power transmission line - Google Patents
Transposition tower of high-voltage alternating-current single-circuit power transmission line Download PDFInfo
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- CN203626363U CN203626363U CN201320793390.3U CN201320793390U CN203626363U CN 203626363 U CN203626363 U CN 203626363U CN 201320793390 U CN201320793390 U CN 201320793390U CN 203626363 U CN203626363 U CN 203626363U
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- 230000017105 transposition Effects 0.000 title claims abstract description 93
- 230000005540 biological transmission Effects 0.000 title abstract description 3
- 239000000203 mixture Substances 0.000 claims description 67
- 239000004020 conductor Substances 0.000 abstract description 27
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The utility model provides a transposition tower of a high-voltage alternating-current single-circuit power transmission line. The transposition tower comprises a tower body; the upper end of the tower body is fixedly connected with an earth wire cross arm; both ends of the earth wire cross arm are respectively and fixedly connected with a first earth wire peak and a second earth wire peak; the first earth wire peak is used for the transposition of a first conductor of three conductors; the second earth wire peak is used for the transposition of a second conductor of the three conductors; right below the earth wire cross arm, a conductor cross arm is fixedly connected with the tower body; one end of the conductor cross arm is fixedly connected with a jumper support; the common part of the tower body and the conductor cross arm is fixedly connected with a transposition support; the other end of the transposition support and the jumper support are used for the transposition of a third conductor of the three conductors. According to the transposition tower provided by the utility model, a traditional auxiliary transposition framework is replaced with the added transposition support, so that the transposition of the three conductors can be realized by the transposition tower, and the requirements of regions with complex terrains, such as mountainous regions, tall mountains and the like can be met.
Description
Technical field
The utility model relates to mixture technical field, more particularly, relates to a kind of mixture of high-voltage alternating single loop power line.
Background technology
High-voltage alternating single loop power line is in the time of transmission of electricity, and no matter how three-phase conducting wire is arranged on shaft tower, and the voltage and current of the each phase of three-phase conducting wire all cannot be accomplished complete equipilibrium, and therefore, the voltage and current of the each phase of three-phase conducting wire exists difference.If circuit is long, it is more that the voltage and current of the each phase of three-phase conducting wire can differ, thereby cause line end three-phase voltage deviation to exceed allowed band.For example, when therefore, the length of regulation power line exceedes certain value (100 kilometers), must carry out three-phase conducting wire transposition.
The mixture of the high-voltage alternating single loop power line of having set up at present and put into operation is split type mixture, and split type mixture mainly adopts anchor support and 2 combined modes of attached transposition framework to carry out three-phase conducting wire transposition.Because anchor support and 2 attached transposition frameworks all need to be arranged on ground, and to maintain a certain distance between anchor support and transposition framework, and landform is as far as possible smooth, therefore, this transposition form floor space is large, and landform is had relatively high expectations, and is generally only applicable to the landform such as level land and hills area preferably, the areas with a varied topography such as mountain region, high mountain high hill are difficult to be suitable for, therefore the landform scope of application of mixture of the prior art is limited.
Utility model content
In view of this, the utility model provides a kind of mixture of high-voltage alternating single loop power line, newly-increased transposition support has replaced existing attached transposition framework, making mixture is no longer split type mixture, thereby mixture floor space reduces greatly, the needs that can meet the regions with complex terrain such as mountain region, high mountain high hill, the landform scope of application of mixture is no longer limited.
A mixture for high-voltage alternating single loop power line, comprising:
Tower body;
The upper end of described tower body is fixedly connected with ground wire cross-arm, the two ends of described ground wire cross-arm are fixedly connected with respectively the first earth wire support and the second earth wire support, described the first earth wire support is for the first-phase wire transposition to three-phase conducting wire, and described the second earth wire support is for the second-phase wire transposition to described three-phase conducting wire;
Under described ground wire cross-arm, described tower body is fixedly connected with wire cross-arm, and one end of described wire cross-arm is fixedly connected with wire jumper support; The public partial fixing of described tower body and described wire cross-arm is connected with a transposition support, and the other end of described transposition support and described wire jumper support are for the third phase wire transposition to described three-phase conducting wire.
Preferably, the two ends of described the first earth wire support connect respectively one end of the first jumper string and one end of the second jumper string, the other end of the other end of described the first jumper string and described the second jumper string is hung with the first hard wire jumper, the first hard wire jumper transposition described in described first-phase wire pile warp.
Preferably, the two ends of described the second earth wire support connect respectively one end of the 3rd jumper string and one end of the forth jump line string, the other end of the other end of described the 3rd jumper string and described the forth jump line string is hung with the second hard wire jumper, the second hard wire jumper transposition described in described second-phase wire pile warp.
Preferably, the two ends of described wire jumper support connect respectively one end of the fifth jump line string and one end of the 6th jumper string, the other end of described the fifth jump line string and the other end of described the 6th jumper string are hung with the 3rd hard wire jumper, the 3rd hard wire jumper described in described third phase wire pile warp, then be connected to the other end transposition of described transposition support.
Preferably, the other end of described transposition support connects one end of the 7th jumper string, the 3rd hard wire jumper described in described third phase wire pile warp, then the other end that is connected to described the 7th jumper string replaces.
Can find out from above-mentioned technical scheme, the utility model provides a kind of mixture of high-voltage alternating single loop power line, described mixture comprises: tower body, tower body upper end is fixedly connected with ground wire cross-arm, the two ends of ground wire cross-arm are fixedly connected with respectively the first earth wire support and the second earth wire support, described the first earth wire support is for the first-phase wire transposition to three-phase conducting wire, and described the second earth wire support is for the second-phase wire transposition to described three-phase conducting wire; Under ground wire cross-arm, tower body is fixedly connected with wire cross-arm, and one end of wire cross-arm is fixedly connected with wire jumper support; The public partial fixing of tower body and wire cross-arm is connected with a transposition support, and the other end of described transposition support and described wire jumper support are for the third phase wire transposition to described three-phase conducting wire.In the mixture that the utility model provides, newly-increased transposition support has replaced existing attached transposition framework, therefore, mixture is no longer split type mixture, mixture self can be realized three-phase conducting wire transposition, therefore mixture floor space reduces greatly, can meet the needs of the regions with complex terrain such as mountain region, high mountain high hill, the landform scope of application of mixture is no longer limited.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the mixture of the disclosed a kind of high-voltage alternating single loop power line of the utility model embodiment;
Fig. 2 is the structural representation that the disclosed a kind of transposition support of the utility model embodiment is connected with wire cross-arm;
Fig. 3 is the transposition schematic diagram of the disclosed a kind of three-phase conducting wire of the utility model embodiment.
The specific embodiment
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, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model embodiment discloses a kind of structural representation of mixture of high-voltage alternating single loop power line, and described mixture comprises:
The upper end of tower body 10 is fixedly connected with ground wire cross-arm 20, the two ends of ground wire cross-arm 20 are fixedly connected with respectively the first earth wire support 21 and the second earth wire support 22, the first earth wire support 21 is for the first-phase wire transposition to three-phase conducting wire, and the second earth wire support 22 is for the second-phase wire transposition to described three-phase conducting wire;
Under ground wire cross-arm 20, tower body 10 is fixedly connected with wire cross-arm 30, and one end of wire cross-arm 30 is fixedly connected with wire jumper support 31; Tower body 10 is connected with a transposition support 40 with the public partial fixing of wire cross-arm 30, and the other end of transposition support 40 and wire jumper support 31 are for the third phase wire transposition to described three-phase conducting wire.
In summary, in the mixture that the utility model provides, newly-increased transposition support 40 has replaced existing attached transposition framework, therefore, mixture is no longer split type mixture, and mixture self can be realized three-phase conducting wire transposition, therefore mixture floor space reduces greatly, the needs that can meet the regions with complex terrain such as mountain region, high mountain high hill, the landform scope of application of mixture is no longer limited.In addition, the mixture that the utility model provides, in terms of existing technologies, has effectively reduced trees felling, the large environmental problem of native stone evolution amount brought because expanding floor space.
It should be noted is that, angle between transposition support 40 and wire cross-arm 30 is generally less than 90 °, specifically can be referring to Fig. 2, the structural representation that the disclosed a kind of transposition support of the utility model is connected with wire cross-arm, wherein, the structure of transposition support 40 can adopt the structure (specifically seeing Fig. 2) that is similar to half wire cross-arm 30.
In addition, the structure of transposition support 40 can be changed according to actual needs.Wherein, as long as there is one end can realize the support of phase conductor transposition together with wire jumper support 31, all belong to protection domain of the present utility model.
Wherein, the two ends of the first earth wire support 21 connect respectively one end of the first jumper string 211 and one end of the second jumper string 212, the other end of the other end of the first jumper string 211 and the second jumper string 212 is hung with the first hard wire jumper 213, and the hard wire jumper 213 of described first-phase wire pile warp first replaces.
The two ends of the second earth wire support 22 connect respectively one end of the 3rd jumper string 221 and one end of the forth jump line string 222, the other end of the other end of the 3rd jumper string 221 and the forth jump line string 222 is hung with the second hard wire jumper 223, and the hard wire jumper 223 of second-phase wire pile warp second replaces.
The two ends of wire jumper support 31 connect respectively one end of the fifth jump line string 311 and one end of the 6th jumper string 312, the other end of the fifth jump line string 311 and the other end of the 6th jumper string 312 are hung with the 3rd hard wire jumper 313, the hard wire jumper 313 of third phase wire pile warp the 3rd, then be connected to the other end transposition of transposition support 40.
Wherein, the other end of transposition support 40 connects one end of the 7th jumper string 401, the hard wire jumper 313 of third phase wire pile warp the 3rd, then the other end that is connected to the 7th jumper string 401 replaces.
It should be noted is that, the effect of above-mentioned each hard wire jumper is all to prevent that its phase conductor of pile warp from swinging in transposition process.
Before it will be appreciated by persons skilled in the art that first-phase wire transposition, all need to be connected the strain insulator-string on mixture with after transposition; In like manner, second-phase wire is also all connected the strain insulator-string on mixture with third phase wire transposition is front with after transposition.
Illustrate, the transposition process that three-phase conducting wire is concrete, specific as follows:
Referring to Fig. 3, the transposition schematic diagram of the disclosed a kind of three-phase conducting wire of the utility model, wherein, mixture 01 rear direction is the position before three-phase conducting wire transposition, mixture 01 front side is to the position for after three-phase conducting wire transposition.
If, mixture 01 rear direction, be respectively from right to left A phase conductor, B phase conductor and C phase conductor, in the time utilizing mixture 01 to carry out wire transposition, need be by A phase conductor from right (mixture 01 rear direction) moves on to (mixture 01 front side to), B phase conductor therefrom (mixture 01 rear direction) moves on to a left side (mixture 01 front side to), and C phase conductor moves on to the right side (mixture 01 front side to) from left (mixture 01 rear direction).For meeting this transposition form, the concrete transposition process (in conjunction with Fig. 1) of three-phase conducting wire is as follows:
A phase conductor transposition: A phase conductor starts (transposition) from mixture 01 rear direction the first strain insulator-string 101, the first hard wire jumper 213 that pile warp the first jumper string 211 and the second jumper string 212 hang, be connected to again mixture 01 front side after the second strain insulator-string 102(transposition), thus the transposition of (mixture 01 front side to) from right (mixture 01 rear direction) moves on to of A phase conductor completed.
B phase conductor transposition: B phase conductor starts (transposition) from mixture 01 rear direction the 3rd strain insulator-string 103, the second hard wire jumper 223 that pile warp the 3rd jumper string 221 and the forth jump line string 222 hang, be connected to again mixture 01 front side after the 4th strain insulator-string 104(transposition), thus complete B phase conductor therefrom (mixture 01 rear direction) move on to the transposition on a left side (mixture 01 front side to).
C phase conductor transposition: C phase conductor starts (transposition) from mixture 01 rear direction the 5th strain insulator-string 105, the 3rd hard wire jumper 313 that pile warp the fifth jump line string 311 and the 6th jumper string 312 hang, be connected to again mixture 01 front side to the 7th jumper string 401 that hangs of transposition support 40, connect again mixture 01 front side to the 6th strain insulator-string 106(transposition after), thereby complete C phase conductor and move on to from left (mixture 01 rear direction) transposition on the right side (mixture 01 front side to).
It should be noted is that, the mixture that the utility model provides is one self formula mixture, the tower head of mixture is in the time that real size designs, need meet under power frequency or switching overvoltage operating mode, the tower body 10 of the wire jumper of mixture 01 (being the middle wire jumper that three-phase conducting wire produces while replacing on mixture) to mixture 01, ground wire cross-arm 20, wire cross-arm 30 and wire jumper electric clearance each other need meet the requirement of Regulations, for example, in above-mentioned specific embodiment (referring to Fig. 1), the electric clearance that need to meet Regulations comprises:
The electric clearance of (1) first wire jumper 1 to tower body 10, and the electric clearance of the first wire jumper 1 to ground wire cross-arm 20;
The electric clearance of (2) second wire jumpers 2 to the first wire jumper 1, the electric clearance of the second wire jumper 2 to the 3rd wire jumper 3, the electric clearance of the second wire jumper 2 to wire cross-arm 30, and the electric clearance of the second wire jumper 2 to transposition support 40;
The electric clearance of (3) the 3rd wire jumpers 3 to tower body 10;
(4) electric clearance of the forth jump line 4 to tower body 10.
In this manual, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a mixture for high-voltage alternating single loop power line, is characterized in that, comprising:
Tower body;
The upper end of described tower body is fixedly connected with ground wire cross-arm, the two ends of described ground wire cross-arm are fixedly connected with respectively the first earth wire support and the second earth wire support, described the first earth wire support is for the first-phase wire transposition to three-phase conducting wire, and described the second earth wire support is for the second-phase wire transposition to described three-phase conducting wire;
Under described ground wire cross-arm, described tower body is fixedly connected with wire cross-arm, and one end of described wire cross-arm is fixedly connected with wire jumper support; The public partial fixing of described tower body and described wire cross-arm is connected with a transposition support, and the other end of described transposition support and described wire jumper support are for the third phase wire transposition to described three-phase conducting wire.
2. mixture according to claim 1, it is characterized in that, the two ends of described the first earth wire support connect respectively one end of the first jumper string and one end of the second jumper string, the other end of the other end of described the first jumper string and described the second jumper string is hung with the first hard wire jumper, the first hard wire jumper transposition described in described first-phase wire pile warp.
3. mixture according to claim 1, it is characterized in that, the two ends of described the second earth wire support connect respectively one end of the 3rd jumper string and one end of the forth jump line string, the other end of the other end of described the 3rd jumper string and described the forth jump line string is hung with the second hard wire jumper, the second hard wire jumper transposition described in described second-phase wire pile warp.
4. mixture according to claim 1, it is characterized in that, the two ends of described wire jumper support connect respectively one end of the fifth jump line string and one end of the 6th jumper string, the other end of described the fifth jump line string and the other end of described the 6th jumper string are hung with the 3rd hard wire jumper, the 3rd hard wire jumper described in described third phase wire pile warp, then be connected to the other end transposition of described transposition support.
5. mixture according to claim 4, is characterized in that, the other end of described transposition support connects one end of the 7th jumper string, the 3rd hard wire jumper described in described third phase wire pile warp, then the other end that is connected to described the 7th jumper string replaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320793390.3U CN203626363U (en) | 2013-11-22 | 2013-11-22 | Transposition tower of high-voltage alternating-current single-circuit power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320793390.3U CN203626363U (en) | 2013-11-22 | 2013-11-22 | Transposition tower of high-voltage alternating-current single-circuit power transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN203626363U true CN203626363U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320793390.3U Expired - Lifetime CN203626363U (en) | 2013-11-22 | 2013-11-22 | Transposition tower of high-voltage alternating-current single-circuit power transmission line |
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| CN (1) | CN203626363U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155916A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Single-loop angle steel tower with positive and negative phase-sequence transformation |
| CN107134749A (en) * | 2017-05-23 | 2017-09-05 | 国核电力规划设计研究院有限公司 | A kind of transposition tower and its interchanging method |
| DE102018114357A1 (en) * | 2018-06-15 | 2019-12-19 | Ltb Leitungsbau Gmbh | Device for holding and lowering cables of an overhead line |
-
2013
- 2013-11-22 CN CN201320793390.3U patent/CN203626363U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155916A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Single-loop angle steel tower with positive and negative phase-sequence transformation |
| CN107134749A (en) * | 2017-05-23 | 2017-09-05 | 国核电力规划设计研究院有限公司 | A kind of transposition tower and its interchanging method |
| CN107134749B (en) * | 2017-05-23 | 2019-01-08 | 国核电力规划设计研究院有限公司 | A kind of transposition tower and its interchanging method |
| DE102018114357A1 (en) * | 2018-06-15 | 2019-12-19 | Ltb Leitungsbau Gmbh | Device for holding and lowering cables of an overhead line |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: CHINA POWER ENGINEERING CONSULTING (Group) Corp. Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee after: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: EAST CHINA ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group 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 Corp. Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: CHINA POWER ENGINEERING CONSULTING Group CORPORATION EAST CHINA ELECTRIC POWER DESIGN INSTITUTE Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |