CN201536243U - Jumper device of ultrahigh-voltage voltage-resistant tower - Google Patents
Jumper device of ultrahigh-voltage voltage-resistant tower Download PDFInfo
- Publication number
- CN201536243U CN201536243U CN2009201653315U CN200920165331U CN201536243U CN 201536243 U CN201536243 U CN 201536243U CN 2009201653315 U CN2009201653315 U CN 2009201653315U CN 200920165331 U CN200920165331 U CN 200920165331U CN 201536243 U CN201536243 U CN 201536243U
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- China
- Prior art keywords
- jumper
- tower
- voltage
- wire apparatus
- bridle wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 39
- 229910052782 aluminium Inorganic materials 0.000 claims description 39
- 230000009191 jumping Effects 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 241000282326 Felis catus Species 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model relates to a jumper device of a tension-resistant tower, which comprises a tubular rigid jumper and flexible jumpers, wherein both ends of the rigid jumper are respectively connected with the flexible jumpers, and the other ends of the flexible jumpers are respectively connected with the lead of a power transmission electric network. By changing the middle segment of the traditional flexible jumper into a rigid material without sag, the utility model overcomes the defect of sag increase due to large jumper span of an ultrahigh-voltage voltage-resistant tower and effectively reduces the sag and the windage yaw of the jumper. The windage yaw of the jumper is also further and effectively controlled by using a heavy hammer mode. The utility model can reduce the sizes of the tension-resistant tower and the tower pole of the tension-resistant tower by being compared with a traditional technical scheme under the condition of ensuring the safe distances of the jumper in an ultrahigh-voltage power transmission line and the tension-resistant tower as well as the ground, thereby the construction cost of the ultrahigh-voltage voltage-resistant tower is saved.
Description
Technical field
The utility model relates to the extra-high voltage grid field, relates in particular to the jumper wire placement in the extra-high voltage grid.
Background technology
Along with the formation in Chinese large-sized thermoelectricity base and the construction in huge hydroelectric station, need to build trans-regional, big capacity, the key electrical network of national ultra high voltage remote, low-power consumption.Extra-high voltage grid can promote the conveying capacity of China's electrical network greatly.The data that provide according to State Grid Corporation of China show that a loop extra-high voltage direct-current electrical network can send 6,000,000 kilowatts of electric weight, are equivalent to 5 to 6 times of existing 500 Kilovolt Direct Current nets, and to send electrical distance also be 2 to 3 times of the latter, so efficient improves greatly.In addition,, carry the electric weight of same power according to State Grid Corporation of China's measuring and calculating, can be if adopt extra high voltage line to transmit electricity than the land resource that adopts 500 kilovolts of supertension lines savings 60%.
The wire spacing of strain tower mainly is from central authorities and wire jumper the gap of iron tower member to be determined at span by lead.To the ultra high voltage power transmission sequence, because insulator sheet number is many, the strain insulator tonnage is big, is that the wire jumper span is elongated thereby cause between wire jumper distance to increase, and causes that the wire jumper sag increases.In order to guarantee the safe distance on extra high voltage line and ground, need the corresponding height that increases withstand voltage tower.The size of wire jumper sag also can directly determine after the wire jumper windage yaw distance with withstand voltage tower, in order to guarantee the safe distance between wire jumper and the withstand voltage tower, strengthens distance between the terminal and withstand voltage tower of tower bar by the length that increases shaft tower at present.
At present, though adopt the scheme of the size that increases withstand voltage tower and withstand voltage Tata bar can solve because of sag strengthens the safety problem that causes, this scheme need drop into higher Financial cost and set up higher withstand voltage tower and bigger withstand voltage Tata bar.
The utility model content
In view of this, the purpose of the utility model embodiment is to provide a kind of ultra high voltage withstand voltage tower bridle wire apparatus, reduces the sag of wire jumper by using rigid jumper.Not only increase the distance on wire jumper and ground, also reduced the wire jumper windage yaw effectively.Make the body of the tower size and the withstand voltage Tata bar size of withstand voltage tower under the situation that guarantees safety, further to reduce.Thereby effectively saved the cost that sets up of withstand voltage tower.
For achieving the above object, the utility model provides following technical scheme: a kind of strain tower bridle wire apparatus, it is characterized in that, and comprise tubulose rigid jumper and flexible jumper, the two ends of described rigid jumper connect flexible jumper respectively, and the other end of described flexible jumper is connected with the lead of transmission of electricity electrical network respectively.
Preferably, described tubulose rigid jumper is an aluminum pipe.
Preferably, described tubulose rigid jumper is that two and parallel installing are one group.
Preferably, also be provided with conductor spacer between described every group tubulose rigid jumper.
Preferably, also be provided with pull bar on the described tubulose rigid jumper; One end of described pull bar is connected with described tubulose rigid jumper, and the other end is connected with insulator string on strain tower or the strain tower.
Preferably, the two ends of described tubulose rigid jumper are equipped with pull bar.
Preferably, also be provided with the jumping string on the described tubulose rigid jumper; One end of described jumping string is connected with described tubulose rigid jumper, and the other end is connected with insulator string on strain tower or the strain tower.
Preferably, the two ends of described tubulose rigid jumper are equipped with and jump string.
Preferably, described flexible jumper is provided with the shielding grading ring with the junction of the lead of transmission of electricity electrical network.
Preferably, the junction of described flexible jumper and tubulose rigid jumper is provided with the shielding grading ring.
Preferably, described tubulose rigid jumper also is provided with weight.
Preferably, be provided with conductor spacer between described flexible jumper.
From technique scheme as seen, the mid portion existing flexible jumper in the utility model embodiment changes rigid jumper into and since rigid jumper can be as flexible jumper because of action of gravity generation arc sag, thereby the sag of wire jumper is effectively reduced.Thereby can under the prerequisite of the safe altitude that guarantees transmission line, make the corresponding reduction of body of the tower height of withstand voltage tower.In addition, make reducing of wire jumper windage yaw by reducing the wire jumper sag, can the safe distance that guarantees wire jumper and withstand voltage tower make the size of withstand voltage Tata bar reduce under the prerequisite.
In sum, can be by the utility model embodiment so that the tower bar size of withstand voltage Tata body and withstand voltage tower reduce, thus the construction cost of effectively having saved withstand voltage tower.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The rod-pulling type aluminum pipe wire jumper schematic diagram that Fig. 1 is provided for the utility model embodiment one.
The schematic top plan view of the rod-pulling type aluminum pipe that Fig. 2 is provided for the utility model embodiment one.
Fig. 3 all presses the shading ring schematic diagram for the transmission line place that the utility model embodiment one is provided.
Fig. 4 all presses the shading ring schematic diagram for the aluminum pipe junction that the utility model embodiment two is provided.
Another execution mode schematic diagram that Fig. 5 is provided for the utility model embodiment one.
The jumping string data aluminum pipe schematic top plan view that Fig. 6 is provided for the utility model embodiment two.
The jumping string data aluminum pipe wire jumper schematic diagram that Fig. 7 is provided for the utility model embodiment two.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is 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 that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
As shown in Figures 1 to 4, present embodiment provides a kind of ultra high voltage withstand voltage tower bridle wire apparatus, and this bridle wire apparatus uses the rigid material aluminum pipe at the middle part of wire jumper, has effectively reduced sag, thereby can reduce the size of withstand voltage tower and withstand voltage Tata bar, reduce the construction cost of withstand voltage tower.
In the present embodiment, the bridle wire apparatus interlude uses aluminum pipe formula wire jumper 1, and described aluminum pipe formula wire jumper 1 is made up of two or more parallel aluminum pipe wire jumpers, also is provided with the conductor spacer 101 that is used to guarantee spacing between each aluminum pipe in the aluminum pipe formula pipe wire jumper.Aluminum pipe formula wire jumper 1 not only can water conservancy diversion but also had been played a supporting role.The two ends of described aluminum pipe formula wire jumper 1 are connected with flexible jumper 2, and the junction of aluminum pipe formula wire jumper 1 and flexible jumper 2 also is provided with the voltage distribution that is used to improve power equipment, the shielding grading ring 5 that increases anticorona performance and reduction radio interference voltage.The lead 4 that the other end of flexible jumper 2 connects transmission line forms current path, and the junction of described lead 4 and flexible jumper 2 also is provided with the voltage distribution that is used to improve power equipment equally, the shielding grading ring 6 that increases anticorona performance and reduction radio interference voltage.In aluminum pipe formula wire jumper, be provided with the weight 102 that is used to reduce windage yaw, reduce the windage yaw of wind-force wire jumper by the weight that increases aluminum pipe formula wire jumper 1.Also be respectively equipped be used to load wire jumper and weight weight and play the pull bar 3 of stablizing the wire jumper effect at the two ends of aluminum pipe formula wire jumper 1.Described pull bar 3 one ends are connected with aluminum pipe formula wire jumper 1, and the other end is connected on the withstand voltage tower.Cause the distortion of aluminum pipe for fear of the weight of weight, the position of described weight 102 is corresponding in the position of aluminum pipe with pull bar 3.The maintainer overhauls to described aluminum pipe formula wire jumper from withstand voltage tower for convenience, and pull bar 3 is made as the cat ladder shape, can be current for the maintainer.
As shown in Figure 5, an end that connects withstand voltage tower in the pull bar in the foregoing description one can also be connected on the insulator string 7 on the strain tower.
Embodiment two
Shown in Figure 7 as Fig. 6, present embodiment provides a kind of ultra high voltage withstand voltage tower bridle wire apparatus, and this bridle wire apparatus uses the rigid material aluminum pipe at the middle part of wire jumper, has effectively reduced sag, thereby can reduce the size of withstand voltage tower and withstand voltage Tata bar, reduce the construction cost of withstand voltage tower.
This aluminum pipe formula wire jumper and the foregoing description one described wire jumper are basic identical, the bridle wire apparatus interlude uses aluminum pipe formula wire jumper 21, described aluminum pipe formula wire jumper 21 is made up of two or more parallel aluminum pipe wire jumpers, also is provided with the conductor spacer 201 that is used to guarantee spacing between each aluminum pipe in the aluminum pipe formula pipe wire jumper.Aluminum pipe formula wire jumper 21 not only can water conservancy diversion but also had been played a supporting role.The two ends of described aluminum pipe formula wire jumper 21 are connected with flexible jumper 22, and the junction of aluminum pipe formula wire jumper 21 and flexible jumper 22 also is provided with the voltage distribution that is used to improve power equipment, the shielding grading ring 25 that increases anticorona performance and reduction radio interference voltage.The lead 24 that the other end of flexible jumper 22 connects transmission line forms current path, and the junction of described lead 24 and flexible jumper 22 also is provided with the voltage distribution that is used to improve power equipment equally, the shielding grading ring 27 that increases anticorona performance and reduction radio interference voltage.In aluminum pipe formula wire jumper, be provided with the weight 202 that is used to reduce windage yaw, reduce the windage yaw of wind-force wire jumper by the weight that increases aluminum pipe formula wire jumper 21.Different with embodiment one is, also is provided be used to load wire jumper and weight weight and play the jumping string 23 of stablizing the wire jumper effect on aluminum pipe formula wire jumper 21.Described jumping is gone here and there 23 1 ends and is connected with aluminum pipe formula wire jumper 21, and the other end is connected on the insulator string on the strain tower.Cause the distortion of aluminum pipe for fear of the weight of weight, setting up the position and jumping string 23 of described weight 202 is corresponding in the position of aluminum pipe.
In sum, the utility model has solved the withstand voltage tower of ultra high voltage because the sag that the wire jumper span causes greatly becomes big shortcoming by the stage casing of existing flexible jumper is changed into the rigid material that does not have sag, has effectively reduced the sag and the windage yaw of wire jumper.Also further effectively control the windage yaw of wire jumper by the mode of using weight.Can the safe distance that has guaranteed wire jumper and withstand voltage tower and ground in the UHV transmission line under the situation, reduce than withstand voltage tower and the withstand voltage Tata bar size of using existing technical scheme.Thereby saved the construction cost of the withstand voltage tower of ultra high voltage.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (12)
1. a strain tower bridle wire apparatus is characterized in that, comprises tubulose rigid jumper and flexible jumper, and the two ends of described rigid jumper connect flexible jumper respectively, and the other end of described flexible jumper is connected with the lead of transmission of electricity electrical network respectively.
2. according to the described bridle wire apparatus of claim 1, it is characterized in that described tubulose rigid jumper is an aluminum pipe.
3. according to claim 1 or 2 described bridle wire apparatus, it is characterized in that described tubulose rigid jumper is that two and parallel installing are one group.
4. according to the described bridle wire apparatus of claim 3, it is characterized in that, also be provided with conductor spacer between described every group tubulose rigid jumper.
5. according to the described bridle wire apparatus of claim 1, it is characterized in that, also be provided with pull bar on the described tubulose rigid jumper; One end of described pull bar is connected with described tubulose rigid jumper, and the other end is connected with insulator string on strain tower or the strain tower.
6. according to the described bridle wire apparatus of claim 5, it is characterized in that the two ends of described tubulose rigid jumper are equipped with pull bar.
7. according to claim 5,6 described bridle wire apparatus, it is characterized in that described pull bar is the cat ladder shape.
8. according to the described bridle wire apparatus of claim 1, it is characterized in that, also be provided with on the described tubulose rigid jumper and jump string; One end of described jumping string is connected with described tubulose rigid jumper, and the other end is connected with insulator string on strain tower or the strain tower.
9. described according to Claim 8 bridle wire apparatus is characterized in that, the two ends of described tubulose rigid jumper are equipped with jumps string.
10. according to the described bridle wire apparatus of claim 1, it is characterized in that described flexible jumper is provided with the shielding grading ring with the junction of the lead of transmission of electricity electrical network.
11., it is characterized in that the junction of described flexible jumper and tubulose rigid jumper is provided with the shielding grading ring according to the described bridle wire apparatus of claim 1.
12., it is characterized in that described tubulose rigid jumper also is provided with weight according to the described bridle wire apparatus of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201653315U CN201536243U (en) | 2009-07-06 | 2009-07-06 | Jumper device of ultrahigh-voltage voltage-resistant tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201653315U CN201536243U (en) | 2009-07-06 | 2009-07-06 | Jumper device of ultrahigh-voltage voltage-resistant tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201536243U true CN201536243U (en) | 2010-07-28 |
Family
ID=42536017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201653315U Expired - Lifetime CN201536243U (en) | 2009-07-06 | 2009-07-06 | Jumper device of ultrahigh-voltage voltage-resistant tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201536243U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022945A (en) * | 2012-11-21 | 2013-04-03 | 国家电网公司 | Method for mounting jumper wire of power transmission line tension-resisting tower |
| CN111627620A (en) * | 2020-06-29 | 2020-09-04 | 中国电力工程顾问集团西南电力设计院有限公司 | Top-carrying type suspension V-shaped insulator string |
-
2009
- 2009-07-06 CN CN2009201653315U patent/CN201536243U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022945A (en) * | 2012-11-21 | 2013-04-03 | 国家电网公司 | Method for mounting jumper wire of power transmission line tension-resisting tower |
| CN103022945B (en) * | 2012-11-21 | 2015-07-08 | 国家电网公司 | Method for mounting jumper wire of power transmission line tension-resisting tower |
| CN111627620A (en) * | 2020-06-29 | 2020-09-04 | 中国电力工程顾问集团西南电力设计院有限公司 | Top-carrying type suspension V-shaped insulator string |
| CN111627620B (en) * | 2020-06-29 | 2024-05-24 | 中国电力工程顾问集团西南电力设计院有限公司 | Upper-carrying type suspension V-shaped insulator string |
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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 |
Owner name: CHINA POWER ENGINEERING CONSULTING GROUP CO., LTD. Free format text: FORMER NAME: CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Beijing City No. 65 Andrew Patentee after: CHINA POWER ENGINEERING CONSULTING (GROUP) CORPORATION Patentee after: State Grid Corporation of China Patentee after: North-China Power Engineering (Beijing) Co., Ltd. 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: Co., Ltd of Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Corporation 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. Address before: 100031 Beijing City No. 65 Andrew Patentee before: China Power Engineering Consulting Group Corporation Patentee before: State Grid Corporation of China Patentee before: North-China Power Engineering (Beijing) Co., Ltd. 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: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor 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 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100728 |