CN203951136U - The switching Wiring device of overhead power transmission conducting wire and cable - Google Patents
The switching Wiring device of overhead power transmission conducting wire and cable Download PDFInfo
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- CN203951136U CN203951136U CN201420365017.2U CN201420365017U CN203951136U CN 203951136 U CN203951136 U CN 203951136U CN 201420365017 U CN201420365017 U CN 201420365017U CN 203951136 U CN203951136 U CN 203951136U
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- cable
- arm
- mobile jib
- power transmission
- secondary bar
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Abstract
The utility model relates to the switching Wiring device of a kind of overhead power transmission conducting wire and cable, comprise along overhead transmission line direction mobile jib and the secondary bar that erect front and back successively, described mobile jib is connected with secondary bar by upper and lower Duo Gen crossbeam, on described mobile jib, be provided with the topping wire cross-arm for aerial condutor, on described crossbeam, be provided with the layer conductor cross-arm for aerial condutor, on described secondary bar, be provided with the lower layer conductor cross-arm for aerial condutor, each layer conductor cross-arm is all staggeredly arranged with vertical direction in the horizontal direction, the lead end of each layer conductor cross-arm is hung with respectively strain insulator string, described lower layer conductor cross-arm below is provided with cable platform, on described cable platform, be provided with cable terminal.The utlity model has rational in infrastructure, line arrangement is clear, reduce the advantages such as cable termination occupation of land, be specially adapted to switching place of overhead transmission line road direction cable transmission line, scene cannot provide larger place, meets the arrangement requirement situation of general steel angle structure cable termination tower.
Description
Technical field
The utility model relates to power transmission facility field, particularly the switching Wiring device of a kind of overhead power transmission conducting wire and cable.
Background technology
The transmission line that passes through place, outskirts of a town often transfers by the lower built on stilts form of cost the cable form that cost is higher to, then adopt cable form to enter city, make somebody a mere figurehead to the conversion of cable and generally by the switching line of the aerial condutor on cable termination shaft tower and cable, realize.The cable termination shaft tower of 220kV double circuit line was generally angle steel tower structure in the past, and occupation of land scope is large.The land price of Er city edge is generally more expensive, and much plans not advance reservation cable termination shaft tower land used.Therefore, be necessary to design a kind of overhead power transmission conducting wire that scope is little and switching Wiring device of cable of taking up an area.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide the switching Wiring device of a kind of overhead power transmission conducting wire and cable, to realize double back 220kV overhead power transmission conducting wire aloft to the switching of cable, thereby the defect that the version of avoiding steel angle structure cable termination tower in the past to coordinate landing cable termination support exists, reduces in floor space.
To achieve these goals, the technical solution of the utility model is: the switching Wiring device of a kind of overhead power transmission conducting wire and cable, comprise along overhead transmission line direction mobile jib and the secondary bar that erect front and back successively, described mobile jib is connected with secondary bar by upper and lower Duo Gen crossbeam, on described mobile jib, be provided with the topping wire cross-arm for aerial condutor, on described crossbeam, be provided with the layer conductor cross-arm for aerial condutor, on described secondary bar, be provided with the lower layer conductor cross-arm for aerial condutor, each layer conductor cross-arm is all staggeredly arranged with vertical direction in the horizontal direction, the lead end of each layer conductor cross-arm is hung with respectively strain insulator string, described lower layer conductor cross-arm below is provided with cable platform, on described cable platform, be provided with the cable terminal that connects each layer of aerial condutor for correspondence.
Further, the aerial condutor on upper strata draws lower plain conductor to corresponding cable terminal along mobile jib after corresponding strain insulator string is fixing, from draw at crossbeam middle part, plain conductor is to corresponding cable terminal after corresponding strain insulator string is fixing for the aerial condutor in middle level, and the aerial condutor of lower floor draws lower plain conductor to corresponding cable terminal along secondary bar after corresponding strain insulator string is fixing.
Further, on described mobile jib, crossbeam and secondary bar, be also respectively arranged with the post insulator for fixing corresponding plain conductor.
Further, three lightning arresters that are respectively used to connect corresponding plain conductor are also set on described cable platform.
Further, on described mobile jib, be also provided with the ground wire cross-arm that is positioned at topping wire cross-arm top.
Further, described cable terminal bottom is connected with cable.
Further, described secondary bar is arranged in overhead wire trackside.
Further, described mobile jib and secondary bar are steel pipe.
The utlity model has rational in infrastructure, line arrangement is clear, reduce the advantages such as cable termination occupation of land, be specially adapted to switching place of overhead transmission line road direction cable transmission line, on-the-spot cannot provide larger place as cable termination district, meet the arrangement requirement situation of general steel angle structure cable termination tower, can be arranged in ready-made pavement or the isolation strip of car lane.Compare with the switching connection mode of cable with existing 220kV double back overhead power transmission conducting wire, the utility model adopts new version to make under plain conductor under built on stilts drawing can parallelly draw, reduce taking of space, simultaneously cable terminal arranges cable platform and also can be arranged on bar, reduced the floor space of cable bearer, the on-the-spot floor space that need only have major and minor two bars, avoids double back 220kV aerial condutor in the past to turn the shortcoming that cable must adopt the angle steel tower that occupation of land is large.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
In figure: 1-mobile jib, the secondary bar of 2-, 3-crossbeam, 4-aerial condutor, 5-topping wire cross-arm, layer conductor cross-arm in 6-, layer conductor cross-arm under 7-, 8-strain insulator string, 9-cable platform, 10-cable terminal, 11-plain conductor, 12-cable, 13-ground wire cross-arm, 14-post insulator, 15-lightning arrester.
Embodiment
The switching Wiring device of double back 220kV overhead power transmission conducting wire and cable of take is example, only draws the connecting line construction of a time in Fig. 1, the connecting line construction of another time too, only at the opposite side of bar girder construction.
As shown in Figure 1, the switching Wiring device of a kind of overhead power transmission conducting wire and cable, comprise along overhead transmission line direction mobile jib 1 and the secondary bar 2 that erect front and back successively, described mobile jib 1 is connected with secondary bar 2 by upper and lower Duo Gen crossbeam 3, on described mobile jib 1, be provided with the topping wire cross-arm 5 for aerial condutor 4, on uppermost crossbeam 3, be provided with the layer conductor cross-arm 6 for aerial condutor 4, on described secondary bar 2, be provided with the lower layer conductor cross-arm 7 for aerial condutor 4, each layer conductor cross-arm is all staggeredly arranged with vertical direction in the horizontal direction, the lead end of each layer conductor cross-arm is hung with respectively strain insulator string 8, described lower layer conductor cross-arm 7 belows are provided with cable platform 9, on described cable platform 9, be provided with the cable terminal 10 that connects each layer of aerial condutor 4 for correspondence.
In the present embodiment, the aerial condutor 4 on upper strata draws lower plain conductor 11 to corresponding cable terminal 10 along mobile jib 1 after corresponding strain insulator string 8 is fixing, the aerial condutor 4 in middle level after corresponding strain insulator string 8 is fixing from draw at crossbeam 3 middle parts plain conductor 11 to corresponding cable terminal 10, the aerial condutor 4 of lower floor draws lower plain conductor 11 to corresponding cable terminal 10 along secondary bar 2 after corresponding strain insulator string 8 is fixing, and each cable terminal 10 bottoms are connected with respectively cable 12.
In the present embodiment, each layer conductor cross-arm is determined the distance of their in the vertical directions by electric clearance requirement, and each layer conductor cross-arm distance that staggers in the horizontal direction should make the electric clearance between the plain conductor 11 under built on stilts drawing meet the demands.Described secondary bar 2 is arranged in overhead wire trackside, it is highly no more than middle layer conductor cross-arm 6, its top is the end face place of middle layer conductor cross-arm 6, described mobile jib 1 and secondary bar 2 are steel pipe, horizontal range between described mobile jib 1 and secondary bar 2 is determined by the horizontal range requirement between topping wire cross-arm 5 and lower layer conductor cross-arm 7, the horizontal range that the horizontal range that is upper and lower layer conductor cross-arm 7 is major and minor bar, described crossbeam 3 is arranged according to fixing built on stilts vertical distance of drawing the fixing point of 11 palpuses of lower plain conductor.
In the present embodiment, on described mobile jib 1, be also provided with the ground wire cross-arm 13 that is positioned at topping wire cross-arm 5 tops, during construction according to the span of aerial condutor that this device connects 4, determine the height distance of ground wire cross-arm on mobile jib 1 13 and topping wire cross-arm 5, on determining according to span simultaneously, in, the height distance of lower layer conductor cross-arm 7, the corresponding employing mobile jib 1 of plain conductor 11 under built on stilts drawing, post insulator 14 on crossbeam 3 and secondary bar 2 is fixing, height distance is controlled at 2.5～3.0 meters, again according to three electric clearances that parallel the plain conductor 11 under drawing, in fixing, under coupling, the post insulator 14 floor installation places of plain conductor 11 are all arranged on connection master, on several of the centres crossbeam 3 of secondary bar, on determining, in, the horizontal range of lower layer conductor cross-arm 7.
In the present embodiment, the height distance of described cable platform 9 and aerial condutor 4 should meet the height space of cable 12 terminals 10, the height distance on described cable platform 9 and ground should meet 12 pairs of on-the-spot required distances of below cable, and three lightning arresters 15 that are respectively used to connect corresponding plain conductor 11 are also set on described cable platform 9.Described cable platform 9 is connected with mobile jib 1, secondary bar 2, nethermost crossbeam 3, described cable platform 9 can directly be selected three fixed supports simple in structure, three fixed supports are connected with mobile jib 1, secondary bar 2, nethermost crossbeam 3 respectively, each cable 12 terminals 10 and lightning arrester 15 are arranged on respectively on corresponding fixed support, and wherein lightning arrester 15 is arranged on support bracket fastened end.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (8)
1. the switching Wiring device of an overhead power transmission conducting wire and cable, it is characterized in that: comprise along overhead transmission line direction mobile jib and the secondary bar that erect front and back successively, described mobile jib is connected with secondary bar by upper and lower Duo Gen crossbeam, on described mobile jib, be provided with the topping wire cross-arm for aerial condutor, on described crossbeam, be provided with the layer conductor cross-arm for aerial condutor, on described secondary bar, be provided with the lower layer conductor cross-arm for aerial condutor, each layer conductor cross-arm is all staggeredly arranged with vertical direction in the horizontal direction, the lead end of each layer conductor cross-arm is hung with respectively strain insulator string, described lower layer conductor cross-arm below is provided with cable platform, on described cable platform, be provided with the cable terminal that connects each layer of aerial condutor for correspondence.
2. the switching Wiring device of overhead power transmission conducting wire according to claim 1 and cable, it is characterized in that: the aerial condutor on upper strata draws lower plain conductor to corresponding cable terminal along mobile jib after corresponding strain insulator string is fixing, from draw at crossbeam middle part, plain conductor is to corresponding cable terminal after corresponding strain insulator string is fixing for the aerial condutor in middle level, and the aerial condutor of lower floor draws lower plain conductor to corresponding cable terminal along secondary bar after corresponding strain insulator string is fixing.
3. the switching Wiring device of overhead power transmission conducting wire according to claim 2 and cable, is characterized in that: on described mobile jib, crossbeam and secondary bar, be also respectively arranged with the post insulator for fixing corresponding plain conductor.
4. according to the switching Wiring device of the overhead power transmission conducting wire described in claim 2 or 3 and cable, it is characterized in that: three lightning arresters that are respectively used to connect corresponding plain conductor are also set on described cable platform.
5. the switching Wiring device of overhead power transmission conducting wire according to claim 1 and cable, is characterized in that: on described mobile jib, be also provided with the ground wire cross-arm that is positioned at topping wire cross-arm top.
6. the switching Wiring device of overhead power transmission conducting wire according to claim 1 and 2 and cable, is characterized in that: described cable terminal bottom is connected with cable.
7. the switching Wiring device of overhead power transmission conducting wire according to claim 1 and cable, is characterized in that: described secondary bar is arranged in overhead wire trackside.
8. the switching Wiring device of overhead power transmission conducting wire according to claim 1 and cable, is characterized in that: described mobile jib and secondary bar are steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365017.2U CN203951136U (en) | 2014-07-03 | 2014-07-03 | The switching Wiring device of overhead power transmission conducting wire and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365017.2U CN203951136U (en) | 2014-07-03 | 2014-07-03 | The switching Wiring device of overhead power transmission conducting wire and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203951136U true CN203951136U (en) | 2014-11-19 |
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ID=51893154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420365017.2U Expired - Fee Related CN203951136U (en) | 2014-07-03 | 2014-07-03 | The switching Wiring device of overhead power transmission conducting wire and cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN203951136U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485619A (en) * | 2014-12-10 | 2015-04-01 | 国家电网公司 | Cable terminal tower |
| CN105024333A (en) * | 2015-04-20 | 2015-11-04 | 国家电网公司 | Cable terminal tower lead wire hardening method |
| CN105155902A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Compact type pole tower with variable nominal height |
| CN105155903A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Double-loop pole tower with variable nominal height |
| CN105680390A (en) * | 2016-03-09 | 2016-06-15 | 国家电网公司 | Cable terminal pole and electrical support device therefor |
| CN112864997A (en) * | 2021-01-05 | 2021-05-28 | 东阳市光明电力建设有限公司 | Cross arm structure for branch line to connect upper-layer wires of four loops |
-
2014
- 2014-07-03 CN CN201420365017.2U patent/CN203951136U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485619A (en) * | 2014-12-10 | 2015-04-01 | 国家电网公司 | Cable terminal tower |
| CN105024333A (en) * | 2015-04-20 | 2015-11-04 | 国家电网公司 | Cable terminal tower lead wire hardening method |
| CN105024333B (en) * | 2015-04-20 | 2018-05-18 | 国家电网公司 | A kind of cable termination tower lead method for curing |
| CN105155902A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Compact type pole tower with variable nominal height |
| CN105155903A (en) * | 2015-09-07 | 2015-12-16 | 安徽华电工程咨询设计有限公司 | Double-loop pole tower with variable nominal height |
| CN105680390A (en) * | 2016-03-09 | 2016-06-15 | 国家电网公司 | Cable terminal pole and electrical support device therefor |
| CN112864997A (en) * | 2021-01-05 | 2021-05-28 | 东阳市光明电力建设有限公司 | Cross arm structure for branch line to connect upper-layer wires of four loops |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350108, 3, hi tech Avenue, science and Technology Park, science and Technology East Road, Fuzhou Town, Minhou County, Fujian, China Patentee after: FUJIAN YONGFU POWER ENGINEERING CO., LTD. Patentee after: Economic technology academy of State Grid Fujian Electric Power Co., Ltd. Address before: 350108, 3, hi tech Avenue, science and Technology Park, science and Technology East Road, Fuzhou Town, Minhou County, Fujian, China Patentee before: Fujian Yong Fu Project Consultant Co., Ltd. Patentee before: Economic technology academy of State Grid Fujian Electric Power Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20210703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |