CN103812066A - Compact to conventional transition middle-phase jumper device for 500kV power transmission circuit - Google Patents
Compact to conventional transition middle-phase jumper device for 500kV power transmission circuit Download PDFInfo
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- CN103812066A CN103812066A CN201410094566.5A CN201410094566A CN103812066A CN 103812066 A CN103812066 A CN 103812066A CN 201410094566 A CN201410094566 A CN 201410094566A CN 103812066 A CN103812066 A CN 103812066A
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Abstract
The invention discloses a compact to conventional transition middle-phase jumper device for 500kV power transmission line, aiming to solve the problem of effective and stable transition of six-split transmission conductors and four-split transmission conductors. A transition iron tower is provided with a conductor cross arm (1) and a ground wire cross arm (23) respectively; one end of a compact tension-resistant insulator string (2) is connected with the conductor cross arm, and the other end of the compact tension-resistant insulator string (2) is connected with a compact power transmission line (7); one end of a conventional tension-resistant insulator string (3) is connected with the conductor cross arm, and the other end of the conventional tension-resistant insulator string (3) is connected with a conventional transmission line (6); a steel pipe (9) is horizontally arranged between the lower ends of two suspension insulator strings fixedly connected with the conductor cross arm; a support guide plate (10) is fixedly arranged in the middle of the steel pipe; transition between a compact six-split conductor (15) and a conventional six-split conductor (16) is realized through the support guide plate (10) arranged on the steel pipe. By adopting the jumper device, stable transition of the compact line and the conventional line is realized.
Description
Technical field
The present invention relates to a kind of transmission line conversion equipment, be particularly related to a kind of when compact 500 KV transmission lines are converted to conventional type transmission line or convert conventional type 500 KV transmission lines to compact transmission line, the transition and conversion bridle wire apparatus using on conversion steel tower.
Background technology
Compact transmission line is that three-phase conducting wire is placed in same tower window, and three alternate no ground members reach and improve nature transmission power, reduce circuit width of corridor, improve the overhead transmission line of unit corridor transmission line capability.Compact line is in service has in recent years exposed that the windage yaw, ice-shedding, the icing that under ice, wind acting in conjunction, easily cause are waved, V string bulb is deviate from and the fault such as inter-phase spacer mounting bracket fracture, also have because waving the trip accident causing, serious threat is to the safe and stable operation of electrical network.Therefore, require transmission line crowded to corridor, that transmission capacity is larger to carry out differentiation design, level land, light ice formation and the non-section of waving adopt compact line, mountain region, middle heavy icing area and to wave the common corridor of section unrestricted and adopt conventional line.This transmission line need to arrange conversion steel tower, the conversion bridle wire apparatus of transmission line is set on conversion steel tower, six division transmission pressures and conductors on quad bundled are carried out to effective transition and conversion, this conversion equipment not also in the prior art, a kind of safety and stability transition and conversion bridle wire apparatus with low cost are developed in market in urgent need.
Summary of the invention
The invention provides a kind of 500 KV transmission line compacts and turn conventional type transition and conversion middle phase jumping wire device, solve the technical problem of six division transmission pressures and conductors on quad bundled effectively being stablized to transition and conversion of market in urgent need.
The present invention solves above technical problem by the following technical programs:
A kind of 500 KV transmission line compacts turn conventional type transition and conversion middle phase jumping wire device, comprise conversion steel tower, on conversion steel tower, be respectively arranged with wire cross-arm and ground wire cross-arm, the upper end of two suspention strain insulator strings is fixed together with ground wire cross-arm respectively, between the lower end of two suspention strain insulator strings, has been horizontally disposed with steel pipe; One end of the left end of wire cross-arm and compact strain insulator string links together, be provided with compact grading ring at the other end of compact strain insulator string, in the left-hand end of compact grading ring, be connected with compact transmission line, one end of the right-hand member of wire cross-arm and conventional type strain insulator string links together, be provided with conventional type grading ring at the other end of conventional type strain insulator string, on the right-hand end of conventional type grading ring, be connected with conventional type transmission line; middle part at steel pipe is fixedly installed supporting guide plate, on the left surface of supporting guide plate, be fixedly installed compact conduction wire clamp, on the right flank of supporting guide plate, be fixedly installed conventional type conduction wire clamp, on the steel pipe in the left side of supporting guide plate, compartment of terrain is provided with compact septal branch support, on compact septal branch support, be provided with compact septal branch support wire clamp, on the steel pipe on the right side of supporting guide plate, compartment of terrain is provided with conventional type septal branch support, on conventional type septal branch support, be provided with conventional type septal branch support wire clamp, one end and the compact transmission line of compact six-multiple conductor link together, the other end of compact six-multiple conductor links together by compact septal branch support wire clamp and compact conduction wire clamp, on the compact six-multiple conductor drawing between compact grading ring and the left end of steel pipe, be provided with compact mouse cage spider, one end of conventional type conductors on quad bundled and conventional type transmission line link together, the other end of conventional type conductors on quad bundled links together by conventional type septal branch support wire clamp and conventional type conduction wire clamp, on the conventional type conductors on quad bundled drawing between conventional type grading ring and the right-hand member of steel pipe, be provided with conventional type cross spider.
Compact septal branch support is that the card pipe anchor ear and the steel pipe strap that arrange by its center are connected together, and is provided with six wire cards on compact septal branch support; Conventional type septal branch support is that the semicircle two that arranges by its center hoop of filling the span of a man's arms is connected together with steel pipe strap, and on conventional type septal branch support, cross is provided with four wire cards.
The present invention has realized the stable conversion of compact line and conventional type circuit, with low cost, reliable, and bridle wire apparatus is neither traditional flexible jumper, firmly wire jumper.But in soft, have firmly, and have in hard softly, utilize the high feature of natural torsion, conductance of steel reinforced aluminium conductor, adopt again steel pipe rigidity large, the advantage that the inclined to one side ability of wind resistance is strong, two kinds of equipment are learnt from other's strong points to offset one's weaknesses, and combine dexterously.Realize compact line and improved nature transmission power, reduced circuit width of corridor, improved unit corridor transmission line capability, also realized that circuit phase spacing is large routinely simultaneously, the advantage anti-ly wave, the inclined to one side ability of wind resistance being strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of installation conversion steel tower of the present invention;
Fig. 3 is the structural representation of the amplification of wire jumper of the present invention conversion place;
Fig. 4 is the structural representation of compact septal branch support 12 of the present invention;
Fig. 5 is the structural representation of conventional type septal branch support 11 of the present invention;
Fig. 6 is the structural representation of compact mouse cage spider 17 of the present invention;
Fig. 7 is the structural representation of conventional type cross spider 18 of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of 500 KV transmission line compacts turn conventional type transition and conversion middle phase jumping wire device, comprise conversion steel tower, on conversion steel tower, be respectively arranged with wire cross-arm 1 and ground wire cross-arm 23, the upper end of two suspention strain insulator strings 8 is fixed together with ground wire cross-arm 23 respectively, between the lower end of two suspention strain insulator strings 8, has been horizontally disposed with steel pipe 9; One end of the left end of wire cross-arm 1 and compact strain insulator string 2 links together, be provided with compact grading ring 5 at the other end of compact strain insulator string 2, in the left-hand end of compact grading ring 5, be connected with compact transmission line 7, one end of the right-hand member of wire cross-arm 1 and conventional type strain insulator string 3 links together, be provided with conventional type grading ring 4 at the other end of conventional type strain insulator string 3, on the right-hand end of conventional type grading ring 4, be connected with conventional type transmission line 6; be fixedly installed supporting guide plate 10 at the middle part of steel pipe 9, on the left surface of supporting guide plate 10, be fixedly installed compact conduction wire clamp 19, on the right flank of supporting guide plate 10, be fixedly installed conventional type conduction wire clamp 20, on the steel pipe 9 in the left side of supporting guide plate 10, compartment of terrain is provided with compact septal branch support 12, on compact septal branch support 12, be provided with compact septal branch support wire clamp 14, on the steel pipe 9 on the right side of supporting guide plate 10, compartment of terrain is provided with conventional type septal branch support 11, on conventional type septal branch support 11, be provided with conventional type septal branch support wire clamp 13, one end of compact six-multiple conductor 15 and compact transmission line 7 link together, the other end of compact six-multiple conductor 15 links together by compact septal branch support wire clamp 14 and compact conduction wire clamp 19, on the compact six-multiple conductor 15 drawing between compact grading ring 5 and the left end of steel pipe 9, be provided with compact mouse cage spider 17, one end of conventional type conductors on quad bundled 16 and conventional type transmission line 6 link together, the other end of conventional type conductors on quad bundled 16 links together by conventional type septal branch support wire clamp 13 and conventional type conduction wire clamp 20, on the conventional type conductors on quad bundled 16 drawing between conventional type grading ring 4 and the right-hand member of steel pipe 9, be provided with conventional type cross spider 18.
Compact septal branch support 12 is that the card pipe anchor ear 22 arranging by its center is connected together with steel pipe 9, is provided with six wire cards on compact septal branch support 12; Conventional type septal branch support 11 is that the semicircle two that arranges by its center hoop 21 of filling the span of a man's arms is connected together with steel pipe 9, and on conventional type septal branch support 11, cross is provided with four wire cards.
In the phase bridle wire apparatus of this transition and conversion limit, the conversion wiring from normal transmission line to wire jumper, on sagging conductors on quad bundled and six-multiple conductor, break the way of traditional conductor spacer constant spacing, make conductor spacer according to bundle conductor actual flexion degree, the ingenious radius that bundle conductor is set, has realized wire jumper smooth transition.Wire adopts natural torsion, the principle that stress discharges completely, and concrete technological means is that the external diameter of the external diameter of each compact mouse cage spider 17 or each cross spider 18 is reduced successively along path from the top down, and forms wire jumper hexagon or quadrangle layout.
Claims (2)
1. a KV transmission line compact turns conventional type transition and conversion middle phase jumping wire device, comprise conversion steel tower, on conversion steel tower, be respectively arranged with wire cross-arm (1) and ground wire cross-arm (23), it is characterized in that, the upper end of two suspention strain insulator strings (8) is fixed together with ground wire cross-arm (23) respectively, between the lower end of two suspention strain insulator strings (8), has been horizontally disposed with steel pipe (9), one end of the left end of wire cross-arm (1) and compact strain insulator string (2) links together, be provided with compact grading ring (5) at the other end of compact strain insulator string (2), in the left-hand end of compact grading ring (5), be connected with compact transmission line (7), one end of the right-hand member of wire cross-arm (1) and conventional type strain insulator string (3) links together, be provided with conventional type grading ring (4) at the other end of conventional type strain insulator string (3), on the right-hand end of conventional type grading ring (4), be connected with conventional type transmission line (6), be fixedly installed supporting guide plate (10) at the middle part of steel pipe (9), on the left surface of supporting guide plate (10), be fixedly installed compact conduction wire clamp (19), on the right flank of supporting guide plate (10), be fixedly installed conventional type conduction wire clamp (20), the upper compartment of terrain of steel pipe (9) in the left side of supporting guide plate (10) is provided with compact septal branch support (12), on compact septal branch support (12), be provided with compact septal branch support wire clamp (14), the upper compartment of terrain of steel pipe (9) on the right side of supporting guide plate (10) is provided with conventional type septal branch support (11), on conventional type septal branch support (11), be provided with conventional type septal branch support wire clamp (13), one end of compact six-multiple conductor (15) and compact transmission line (7) link together, the other end of compact six-multiple conductor (15) links together by compact septal branch support wire clamp (14) and compact conduction wire clamp (19), on the compact six-multiple conductor (15) drawing between compact grading ring (5) and the left end of steel pipe (9), be provided with compact mouse cage spider (17), one end of conventional type conductors on quad bundled (16) and conventional type transmission line (6) link together, the other end of conventional type conductors on quad bundled (16) links together by conventional type septal branch support wire clamp (13) and conventional type conduction wire clamp (20), on the conventional type conductors on quad bundled (16) drawing between conventional type grading ring (4) and the right-hand member of steel pipe (9), be provided with conventional type cross spider (18).
2. a kind of 500 KV transmission line compacts according to claim 1 turn conventional type transition and conversion middle phase jumping wire device, it is characterized in that, compact septal branch support (12) is that the card pipe anchor ear (22) arranging by its middle part is connected together with steel pipe (9), is provided with six wire cards on compact septal branch support (12); Conventional type septal branch support (11) is that fill the span of a man's arms hoop (21) and steel pipe (9) of the semicircle two that arranges by its middle part is connected together, and goes up cross be provided with four wire cards at conventional type septal branch support (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094566.5A CN103812066B (en) | 2014-03-14 | 2014-03-14 | 500 KV transmission line compact types turn conventional type transition and conversion middle phase jumping wire device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094566.5A CN103812066B (en) | 2014-03-14 | 2014-03-14 | 500 KV transmission line compact types turn conventional type transition and conversion middle phase jumping wire device |
Publications (2)
| Publication Number | Publication Date |
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| CN103812066A true CN103812066A (en) | 2014-05-21 |
| CN103812066B CN103812066B (en) | 2016-06-01 |
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| CN201410094566.5A Active CN103812066B (en) | 2014-03-14 | 2014-03-14 | 500 KV transmission line compact types turn conventional type transition and conversion middle phase jumping wire device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391017A (en) * | 2015-12-14 | 2016-03-09 | 江东金具设备有限公司 | Extra-high voltage large-crossing cage type rigid wire jumper string with eight small-section drainage wire clamps and six large-section drainage wire clamps |
Citations (5)
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|---|---|---|---|---|
| JP2005065416A (en) * | 2003-08-13 | 2005-03-10 | Sumiden Asahi Industries Ltd | Jumper device |
| CN101964505A (en) * | 2010-09-30 | 2011-02-02 | 中国电力工程顾问集团中南电力设计院 | Strain tower with shape like Chinese character 'gan' of compact transmission line |
| CN202167811U (en) * | 2011-08-26 | 2012-03-14 | 安徽省电力设计院 | Arrangement structure of rigid jumper asymmetrical V-shaped insulator strings of transmission line |
| CN202308976U (en) * | 2011-08-22 | 2012-07-04 | 中国电力工程顾问集团华东电力设计院 | Jumper structure of direct-current line of vertical type strain tower |
| CN203951127U (en) * | 2014-03-14 | 2014-11-19 | 中国能源建设集团山西省电力勘测设计院 | 500 KV transmission line compacts turn conventional type transition and conversion middle phase jumping wire device |
-
2014
- 2014-03-14 CN CN201410094566.5A patent/CN103812066B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005065416A (en) * | 2003-08-13 | 2005-03-10 | Sumiden Asahi Industries Ltd | Jumper device |
| CN101964505A (en) * | 2010-09-30 | 2011-02-02 | 中国电力工程顾问集团中南电力设计院 | Strain tower with shape like Chinese character 'gan' of compact transmission line |
| CN202308976U (en) * | 2011-08-22 | 2012-07-04 | 中国电力工程顾问集团华东电力设计院 | Jumper structure of direct-current line of vertical type strain tower |
| CN202167811U (en) * | 2011-08-26 | 2012-03-14 | 安徽省电力设计院 | Arrangement structure of rigid jumper asymmetrical V-shaped insulator strings of transmission line |
| CN203951127U (en) * | 2014-03-14 | 2014-11-19 | 中国能源建设集团山西省电力勘测设计院 | 500 KV transmission line compacts turn conventional type transition and conversion middle phase jumping wire device |
Non-Patent Citations (1)
| Title |
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| 李熠: "锦屏-苏南±800kV特高压直流输电线路工程K2大跨越跳线施工工艺初探", 《城市建设理论研究》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391017A (en) * | 2015-12-14 | 2016-03-09 | 江东金具设备有限公司 | Extra-high voltage large-crossing cage type rigid wire jumper string with eight small-section drainage wire clamps and six large-section drainage wire clamps |
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| Publication number | Publication date |
|---|---|
| CN103812066B (en) | 2016-06-01 |
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Address after: 030001 Yingze street, Shanxi, No. 255, No. Applicant after: Co., Ltd of Chinese energy construction group Shanxi Electric Power Exploration & Design Institute Address before: 030001 Yingze street, Shanxi, No. 255, No. Applicant before: CEEC Shanxi Electric Power Exploration & Design Institute |
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Free format text: CORRECT: APPLICANT; FROM: CEEC SHANXI ELECTRIC POWER EXPLORATION + DESIGN INSTITUTE TO: CHINA ENERGY ENGINEERING GROUP SHANXI ELECTRIC POWER SURVEY + DESIGN INSTITUTE CO., LTD. |
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