CN203553019U - Disconnecting switch with current diverting line - Google Patents
Disconnecting switch with current diverting line Download PDFInfo
- Publication number
- CN203553019U CN203553019U CN201320709624.1U CN201320709624U CN203553019U CN 203553019 U CN203553019 U CN 203553019U CN 201320709624 U CN201320709624 U CN 201320709624U CN 203553019 U CN203553019 U CN 203553019U
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- China
- Prior art keywords
- conduction
- cover
- conductive
- connection
- connecting lever
- 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
- 238000012856 packing Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 239000012212 insulator Substances 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000003656 Electric Burns Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
Images
Abstract
The utility model relates to the technical field of the power transmission line maintenance tool, and specifically relates to a disconnecting switch with a current diverting line. In a conventional outdoor disconnecting switch device (such as a GW4-20A type), a conductive crank arm and an insulator top conductive surface are easy to wear, resulting in performance degradation. According to the technical scheme of the utility model, the disconnecting switch with the current diverting line comprises an insulating support pillar, a contact support arm, the conductive crank arm, and the current diverting line; a connecting column at a lower part of the conductive crank arm is inserted into a cover body through a top of a conductive connecting cover; the connecting column is sheathed by a thrust bearing, a spring, and a gasket which are screwed into the connecting column through a joint bolt; the lower end of the conductive connecting cover is provided with a connecting eaves board; the bolt penetrates through the connecting eaves board and a contact support arm fixing hole, so that the conductive connecting cover and the contact support arm are fixed on fittings at the top of the insulating support pillar; and the connecting eaves board and the conductive crank arm are connected with the current diverting line. The utility model has the advantages that: through the conductive crank arm, the current is communicated with the conductive connecting cover contact surface and the current diverting line, so that the problem that the disconnecting switch which operates outdoors for a long time is subjected to the failure is solved.
Description
Technical field
The utility model relates to Maintenance of Electric Transmission Line technical field of tools, specifically a kind of isolating switch with shunt line.
Background technology
Isolating switch is the High-Voltage Electrical Appliances that a kind of use amount is larger, and its Main Function is that a cut-off point is set between power supply and electric equipment, is convenient to operations such as power equipment overhaul.Existing outdoor disconnector equipment is as 10kV GW4-20A type isolating switch, it rotates conduction Abduction arm and adopts friction structure to contact with insulator top gold utensil, due to the operation out of doors for a long time of this equipment, affected by the factors such as weather, lead-in wire swing, connecting lever with contact rotating part and lack proper lubrication, make contact surface abrasion, burn into heating, cause resistance value to increase, hydraulic performance decline, the junction electric burn fault that conduction connecting lever very easily occurs in service.During maintenance, affect a road transmission line normal power supply, even cause full bus to have a power failure, hide some dangers for to the safe and stable operation of transformer station.
Summary of the invention
The purpose of this utility model is to provide a kind of isolating switch with shunt line, to overcome defect of the prior art, has improved isolated switchgear reliability of operation.
The technical solution of the utility model is: comprise insulation column, contact support arm; Also comprise conduction connecting lever, rotating mechanism, shunt line; The bottom, one end of conduction connecting lever is provided with joint pin, and joint pin lower surface has connection screw; Conduction connecting lever bottom is provided with annular conductive trough around joint pin;
Rotating mechanism connects cover, bearing, spring, packing ring, coupling bolt and forms by conducting electricity, and conduction connects cover for being inverted barrel shape, and top is provided with annular boss, and boss coordinates with the annular conductive trough of conduction connecting lever, has through hole in the middle part of boss; Conduction connects cover lower openings edge and is connected with annular connection eaves board;
To insert cover body inner by conducting electricity the through hole that connects cover top for the joint pin of conduction connecting lever, is positioned at conduction and connects the inner joint pin of cover, is from up to down set with successively thrust bearing, spring, packing ring, and the connection screw that screws in joint pin by coupling bolt connects; Thrust bearing top presses conduction to connect cover top inner wall, and the bolt crown of coupling bolt is pressed in packing ring below;
On the connection eaves board of conduction connection cover, have fixing hole, bolt, through connecting eaves board and contact support arm fixing hole, is fixed on conduction connection cover and contact support arm on the gold utensil at insulation column top;
On the connection eaves board of conduction connection cover and conduction connecting lever, be connected with one or two shunt lines.
The utility model has the advantages that: conduction shunt line plays the effect of shunting, electric current circulates by conductive trough and the shunt line of conduction connecting lever, the problems such as the outdoor long-time running electric conductivity of isolated switchgear declines, conduction connecting lever easy break-down have effectively been solved, reduce maintenance number of times, reduced the cost of line upkeep.
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the installation diagram of the utility model rotating mechanism and conduction connecting lever.
Embodiment
In figure: 1, conduction connecting lever, 2, joint pin, 3, boss, 4, conduction connects cover, 5, connect eaves board, 6, annular catch, 7, spring, 8, packing ring, 9, shunt line, 10, ball, 11, coupling bolt, 12, contact support arm, 13, gold utensil, 14, insulation column.
Embodiment
From Fig. 1~Fig. 2, the utility model comprises insulation column 14, contact support arm 12; Also comprise conduction connecting lever 1, rotating mechanism, shunt line 9; The bottom, one end of conduction connecting lever 1 is provided with joint pin 2, and the lower surface of joint pin 2 has one and connects screw; Conduction connecting lever bottom is provided with a ring shape conductive trough around the cylinder of joint pin 2;
Rotating mechanism connects cover 4, bearing, spring 7, packing ring 8, coupling bolt 11 and forms by conducting electricity, conduction connects cover 4 for being inverted barrel shape cover body, its top is provided with the boss 3 of a ring shape, and boss 3 coordinates with the annular conductive trough of joint pin 2, and boss 3 middle parts have through hole; Conduction connects cover 4 lower openings, and its edge of opening is provided with annular connection eaves board 5, and connection eaves board 5 is the brim of a hat shape and is centered around the bottom that conduction connects cover 4;
Through hole (being the through hole at boss 3 middle parts) the insertion cover body that the joint pin 2 of conduction connecting lever 1 connects cover 4 tops by conduction is inner, on the joint pin 2 of cover body inside, is from up to down set with successively thrust bearing, spring 7, packing ring 8; The connection screw that coupling bolt 11 screws in joint pin 2 lower surfaces connects, and will conduct electricity connecting lever 1 and conduction to connect cover 4 and connect, and thrust bearing top presses conduction to connect to cover 4 top inner wall, and the bolt head of coupling bolt 11 is stuck in packing ring 8 belows; In the present embodiment, thrust bearing consists of the annular catch 8 of ball 10 and its underpart; Between conduction connecting lever 1 and conduction connection cover 4 cover bodies, be provided with bearing, spring 7, packing ring 8, the connecting lever that makes to conduct electricity can connect cover 4 upper ends around axle flexible rotating in conduction, now, under the elastic reaction of spring 7, the boss 3 on conduction connection cover 4 tops and the annular conductive trough of conduction connecting lever 1 press and coordinate;
The connection eaves board 5 that conduction connects cover 4 has fixing hole, one end of contact support arm 12 has the fixing hole corresponding with connecting eaves board 5 fixing hole positions, bolt, through the fixing hole that connects eaves board 5 and contact support arm 12, is fixed on conduction connection cover 4 and contact support arm 12 on the gold utensil 13 at insulation column 14 tops; Conduction connects between the connection eaves board 5 and conduction connecting lever 1 of cover 4, is bolted one or two copper shunt lines 9.
When isolating switch operates, insulation column 14 rotates band moving conductive and connects cover 4 and 12 motions of contact support arm, electric current is connected junction (conductive trough and boss 3 coordinate) and shunt line 9 circulations of cover 4 with conduction by conduction connecting lever 1, and rotating mechanism goes slick, solved degradation problem under existing isolated switchgear long-time running electric conductivity.
Finally should be noted that: above embodiment is used for illustrating that the technical solution of the utility model is not intended to limit; those skilled in the art modifies to execution mode or part technical characterictic is equal to replacement; and do not depart from the essence of technical solutions of the utility model, within all should being encompassed in the utility model scope required for protection.
Claims (1)
1. with an isolating switch for shunt line, comprise insulation column (14), contact support arm (12); It is characterized in that: also comprise conduction connecting lever (1), rotating mechanism, shunt line (9); The bottom, one end of conduction connecting lever (1) is provided with joint pin (2), and joint pin (2) lower surface has connection screw; Conduction connecting lever bottom is provided with annular conductive trough around joint pin (2);
Rotating mechanism connects cover (4), bearing, spring (7), packing ring (8) by conducting electricity, coupling bolt (11) forms, conduction connects cover (4) for being inverted barrel shape, top is provided with annular boss (3), boss (3) coordinates with the annular conductive trough of conduction connecting lever (1), and boss (3) middle part has through hole; Conduction connects cover (4) lower openings edge and is connected with annular connection eaves board (5);
The through hole insertion cover body that the joint pin (2) of conduction connecting lever (1) connects cover (4) top by conduction is inner, be positioned at the inner joint pin of conduction connection cover (4) and be from up to down set with successively thrust bearing, spring (7), packing ring (8), the connection screw that screws in joint pin (2) by coupling bolt (11) connects; Thrust bearing top presses conduction to connect cover (4) top inner wall, and the bolt crown of coupling bolt (11) is pressed in packing ring (8) below;
On the connection eaves board (5) of conduction connection cover (4), have fixing hole, bolt is through connecting eaves board (5) and contact support arm (12) fixing hole, and (4) are covered in the connection of conducting electricity and contact support arm (12) is fixed on the gold utensil (13) at insulation column (14) top;
On the connection eaves board (5) of conduction connection cover (4) and conduction connecting lever (1), be connected with one or two shunt lines (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320709624.1U CN203553019U (en) | 2013-11-12 | 2013-11-12 | Disconnecting switch with current diverting line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320709624.1U CN203553019U (en) | 2013-11-12 | 2013-11-12 | Disconnecting switch with current diverting line |
Publications (1)
Publication Number | Publication Date |
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CN203553019U true CN203553019U (en) | 2014-04-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320709624.1U Expired - Lifetime CN203553019U (en) | 2013-11-12 | 2013-11-12 | Disconnecting switch with current diverting line |
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CN (1) | CN203553019U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104008916A (en) * | 2014-06-12 | 2014-08-27 | 国家电网公司 | Shunting device for handling heating of gate of horizontal-rotation type high-voltage isolating switch in electrifying mode |
CN104008915A (en) * | 2014-06-16 | 2014-08-27 | 国家电网公司 | Burning-preventing pole-mounted disconnecting link |
-
2013
- 2013-11-12 CN CN201320709624.1U patent/CN203553019U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104008916A (en) * | 2014-06-12 | 2014-08-27 | 国家电网公司 | Shunting device for handling heating of gate of horizontal-rotation type high-voltage isolating switch in electrifying mode |
CN104008916B (en) * | 2014-06-12 | 2016-01-20 | 国家电网公司 | The part flow arrangement of on-line treatment horizontal rotation type high-voltage isolation switch sluice gate heating |
CN104008915A (en) * | 2014-06-16 | 2014-08-27 | 国家电网公司 | Burning-preventing pole-mounted disconnecting link |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20140416 |
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CX01 | Expiry of patent term |