CN202711874U - Suspended hard jumper insulator string for +/- 500kV double-circuit transmission lines on same tower - Google Patents
Suspended hard jumper insulator string for +/- 500kV double-circuit transmission lines on same tower Download PDFInfo
- Publication number
- CN202711874U CN202711874U CN 201220333297 CN201220333297U CN202711874U CN 202711874 U CN202711874 U CN 202711874U CN 201220333297 CN201220333297 CN 201220333297 CN 201220333297 U CN201220333297 U CN 201220333297U CN 202711874 U CN202711874 U CN 202711874U
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- CN
- China
- Prior art keywords
- jumper
- quadripartion
- steel pipe
- bundle
- wire jumper
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model provides a suspended hard jumper insulator string for +/-500kV double-circuit transmission lines on a same tower. The connection of an anti-corona four-bundle jumper is realized. The suspended hard jumper insulator string for +/-500kV double-circuit transmission lines on a same tower comprises a steel pipe frame and a cross arm, wherein two ends of the cross arm are connected with four-bundle jumpers into a ring shape through tension strings, four-bundle anchor ear type jumper spacers are arranged on the steel pipe frame, the four-bundle jumpers at the two ends are propped open by four-bundle jumper spacers, the four-bundle jumpers in the middle part are propped open by the four-bundle anchor ear type jumper spacers, and the steel pipe frame and the cross arm are connected through two single I-type composite insulator strings. The suspended hard jumper insulator string for +/-500kV double-circuit transmission lines on a same tower is simple in structure, convenient in installation and good in anti-corona performance and can meet the technical requirements for the connection of four-bundle jumpers.
Description
Technical field
The utility model relates to a kind of for the cage type rigid jumper wire device on the large capacity transmission circuit.
Background technology
In the ultra high voltage aerial power transmission line, the drainage bridle wire apparatus of strain tower is to connect the wire that the shaft tower both sides link to each other with insulator string, is conductively connected continuous.Wave for the windage yaw that limits wire jumper, wire jumper is designed to rigid structure, can reduce the tower head size, reduce the steel tower height.Rigid jumper is applied on the double loop and multiloop strain tower of vertical arrangement, and the rigid jumper that uses at present comprises cage jumper, and cage jumper adopts four continuous wire current-carrying, and its parts mostly are hidden in the bundle conductor, can effectively avoid the generation of corona.
Summary of the invention
The utility model provides a kind of ± 500kV common-tower double-return circuit has been realized the connection of anticorona quadripartion wire jumper with the hard wire jumper insulator string that dangles.
For achieving the above object, the utility model is taked following technical scheme:
± 500kV common-tower double-return circuit is with the hard wire jumper insulator string that dangles, comprise steel pipe skeleton and cross-arm, the two ends of cross-arm connect into ring-type by strain insulator-string and quadripartion wire jumper, be provided with quadripartion hood type jumper wire spacing rod at steel pipe skeleton, the quadripartion wire jumper at two ends supports by the quadripartion jumper wire spacing rod, the quadripartion wire jumper at middle part supports by quadripartion hood type jumper wire spacing rod, connects by two simply connected I type synthetic insulator series windings between steel pipe skeleton and the cross-arm.
The strain insulator-string at cross-arm two ends is connected with the crimping of quadripartion wire jumper by conduction wire clamp, and the quadripartion wire jumper adopts 4 continuous sub-conductor drainages,, its parts mostly are hidden in the bundle conductor, can effectively avoid the generation of corona.The quadripartion jumper wire spacing rod is installed on the quadripartion wire jumper at two ends is supported the interval of finishing two ends quadripartion wire jumper; Interlude at the quadripartion wire jumper uses the rigid bridle wire device of quadripartion hood type jumper wire spacing rod to fix four root wires, to form mouse cage.Because quadripartion hood type jumper wire spacing rod becomes hooping structure with the partial design that steel pipe skeleton is fixed, the distance between per like this two conductor spacers can arbitrarily be regulated, and guarantees that whole mouse cage the waist phenomenon of collapsing can not occur, and is on-the-spot easy for installation.
Simply connected I type composite insulation substring is connected in sequence by hardware, ball-eye, insulator, bowl bulb hanging ring, link plate, is provided with grading ring at the bowl bulb hanging ring, is connected by the anchor ear link plate between link plate and the steel pipe skeleton, and hardware is connected with cross-arm.
Be provided with hard wire jumper weight-driven at steel pipe skeleton.Be provided with the end-blocking lid at the two ends of steel pipe skeleton.
The utility model performance simple in structure, easy for installation, anticorona is good, can satisfy the specification requirement that the quadripartion wire jumper connects.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is that A of the present utility model is to view.
Description of reference numerals: 1-steel pipe skeleton; The 2-cross-arm; The 3-strain insulator-string; The 31-conduction wire clamp; 4-quadripartion wire jumper; 5-quadripartion hood type jumper wire spacing rod; 6-quadripartion jumper wire spacing rod; 7-simply connected I type composite insulation substring; The 71-hardware; The 72-ball-eye; The 73-insulator; 74-bowl bulb hanging ring; The 75-link plate; 76-anchor ear link plate; The 77-grading ring; The hard wire jumper weight-driven of 8-; 9-end-blocking lid.
Embodiment
Below in conjunction with drawings and Examples the utility model content is described further.
Such as Fig. 1, shown in 2, the utility model is 0,10, the 15mm ice formation is with the 2X180kN duplex hard wire jumper insulator string that dangles, comprise steel pipe skeleton 1 and cross-arm 2, the two ends of cross-arm 2 connect into ring-type by the conduction wire clamp 31 of strain insulator-string 3 with quadripartion wire jumper 4, be provided with 7 quadripartion hood type jumper wire spacing rods 5 at steel pipe skeleton 1, the quadripartion wire jumper 4 at two ends supports by 4 quadripartion jumper wire spacing rods 6, the quadripartion wire jumper 4 at middle part supports by quadripartion hood type jumper wire spacing rod 5, connect by 2 160kN simply connected I type composite insulation substrings 7 between steel pipe skeleton 1 and the cross-arm 2, simply connected I type composite insulation substring 7 is by hardware 71, ball-eye 72, insulator 73, bowl bulb hanging ring 74, link plate 75 is connected in sequence, be connected by anchor ear link plate 76 between link plate 75 and the steel pipe skeleton 1, hardware 71 is connected with cross-arm 2, is provided with grading ring 77 at bowl bulb hanging ring 74.Be provided with two groups of hard wire jumper weight-drivens 8 at steel pipe skeleton 1.Be provided with end-blocking lid 9 at the two ends of steel pipe skeleton 1.
As shown in Figure 1, the strain insulator-string 3 at cross-arm 2 two ends is connected with 4 crimping of quadripartion wire jumper by conduction wire clamp 31, adopts 4 continuous sub-conductor drainages,, its parts mostly are hidden in the bundle conductor, can effectively avoid the generation of corona.Quadripartion jumper wire spacing rod 6 is installed on the quadripartion wire jumper 4 at two ends is supported the interval of finishing two ends quadripartion wire jumper; Interlude at quadripartion wire jumper 4 uses the rigid bridle wire device of quadripartion hood type jumper wire spacing rod 5 to fix four root wires, to form mouse cage.Because quadripartion hood type jumper wire spacing rod 5 becomes hooping structure with the partial design that steel pipe skeleton 1 is fixed, the distance between per like this two conductor spacers can arbitrarily be regulated, and guarantees that whole mouse cage the waist phenomenon of collapsing can not occur, and is on-the-spot easy for installation.
Claims (4)
1. ± 500kV common-tower double-return circuit is with the hard wire jumper insulator string that dangles, comprise steel pipe skeleton and cross-arm, the two ends of cross-arm connect into ring-type by strain insulator-string and quadripartion wire jumper, it is characterized in that: described steel pipe skeleton is provided with quadripartion hood type jumper wire spacing rod, the quadripartion wire jumper at two ends supports by the quadripartion jumper wire spacing rod, the quadripartion wire jumper at middle part supports by quadripartion hood type jumper wire spacing rod, connects by two simply connected I type synthetic insulator series windings between described steel pipe skeleton and the cross-arm.
2. as claimed in claim 1 ± 500kV common-tower double-return circuit is with the hard wire jumper insulator string that dangles, it is characterized in that: described simply connected I type composite insulation substring is connected in sequence by hardware, ball-eye, insulator, bowl bulb hanging ring, link plate, be connected by the anchor ear link plate between described link plate and the steel pipe skeleton, described hardware is connected with cross-arm, and described bowl bulb hanging ring is provided with grading ring.
3. as claimed in claim 1 or 2 ± 500kV common-tower double-return circuit is with the hard wire jumper insulator string that dangles, and it is characterized in that: described steel pipe skeleton is provided with hard wire jumper weight-driven.
4. as claimed in claim 1 or 2 ± 500kV common-tower double-return circuit is characterized in that with the hard wire jumper insulator string that dangles: the two ends of described steel pipe bone are provided with the end-blocking lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333297 CN202711874U (en) | 2012-07-10 | 2012-07-10 | Suspended hard jumper insulator string for +/- 500kV double-circuit transmission lines on same tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333297 CN202711874U (en) | 2012-07-10 | 2012-07-10 | Suspended hard jumper insulator string for +/- 500kV double-circuit transmission lines on same tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202711874U true CN202711874U (en) | 2013-01-30 |
Family
ID=47592154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220333297 Expired - Fee Related CN202711874U (en) | 2012-07-10 | 2012-07-10 | Suspended hard jumper insulator string for +/- 500kV double-circuit transmission lines on same tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202711874U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736425A (en) * | 2018-06-04 | 2018-11-02 | 国家电网公司 | A kind of wind-deviation insulator simply connected is around the method and apparatus for jumping jumper string |
| CN109687372A (en) * | 2019-02-15 | 2019-04-26 | 中国能源建设集团江苏省电力设计院有限公司 | A kind of connection method of the hard wire jumper of clamp device and cage suitable for transmission line of electricity |
| CN112448350A (en) * | 2020-11-24 | 2021-03-05 | 国网河南省电力公司经济技术研究院 | Drilling and crossing tower capable of preventing wire jumping and wind deflection |
-
2012
- 2012-07-10 CN CN 201220333297 patent/CN202711874U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736425A (en) * | 2018-06-04 | 2018-11-02 | 国家电网公司 | A kind of wind-deviation insulator simply connected is around the method and apparatus for jumping jumper string |
| CN109687372A (en) * | 2019-02-15 | 2019-04-26 | 中国能源建设集团江苏省电力设计院有限公司 | A kind of connection method of the hard wire jumper of clamp device and cage suitable for transmission line of electricity |
| CN112448350A (en) * | 2020-11-24 | 2021-03-05 | 国网河南省电力公司经济技术研究院 | Drilling and crossing tower capable of preventing wire jumping and wind deflection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20130710 |