CN201060783Y - Supervoltage AC 1100kV isolating switch - Google Patents
Supervoltage AC 1100kV isolating switch Download PDFInfo
- Publication number
- CN201060783Y CN201060783Y CNU2007200318081U CN200720031808U CN201060783Y CN 201060783 Y CN201060783 Y CN 201060783Y CN U2007200318081 U CNU2007200318081 U CN U2007200318081U CN 200720031808 U CN200720031808 U CN 200720031808U CN 201060783 Y CN201060783 Y CN 201060783Y
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- isolating switch
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Abstract
The utility model relates to a supervoltage electric transmission and transformation equipment in a power system, in particular to an isolating switch with 1100 kV alternating supervoltage, wherein, an operating mechanism (2) of earthing knife, an operating mechanism (3) of master knife and a product base (6) are fixed on a left and a right base support (4) via a plurality of bolts; the operating mechanism (3) of master knife is connected with a bearing house (9) via an operating tube (5) of master knife and a horizontal operating tube (18); a plurality of four-post porcelain insulators are fixed on the upper end of the product base (6) in horizontal direction; the lower ends of three support porcelain insulators (7) are respectively fixed on the product base (6) via the bolts; the lower end of an operating porcelain insulator (17) is fixed on the bearing house (9) via the bolts; the upper ends of three support porcelain insulators (7) are respectively connected with a hinge knife mechanism (12) and a static contactor (9) of master knife. The utility model is used for load-free switch in a high voltage line, and for electric isolation between a live high voltage line and the repaired high voltage bus, circuit breaker and other electric equipments.
Description
Technical field
The utility model relates to the ehv power transmission equipment in a kind of electric power system, and particularly a kind of superhigh pressure exchanges the 1100kV isolating switch.
Background technology
Present three post horizontally openable formula high-voltage alternating current isolating switch equipment of domestic existing ad eundem, moving contact be can not assembled, safeguard inconvenience, and the machine driving link is many, complex structure, and it is unreliable to move, and the contact through-current capability is little, less stable; Domestic existing product contact and electric contact points all adopt silver plating process, and silver coating approaches and easily comes off, and operational reliability is poor; Existing equipment opens ice and is poorer to contact automatically cleaning ability, not too is fit to the weather conditions of the Northwest; The underframe antiseptic power is not strong, three post stand-alone configuration poor stabilities; There is certain hidden danger in the galvanic circle Electric Field Distribution.
Summary of the invention
The purpose of this utility model provides a kind of superhigh pressure and exchanges the 1100kV isolating switch, can supply the non-loaded changing-over of high-tension line, and to the electrical isolation usefulness of electric equipment such as the high voltage bus that overhauled, circuit breaker and charged high-tension line.
The technical solution of the utility model is, design a kind of superhigh pressure and exchange the 1100kV isolating switch, it is characterized in that: ground cutter operating mechanism 2, operator operating mechanism 3 and product base 6 are by on the base rack 4 that is bolted to the first from left right side, and base rack 4 is fixed as one with ground; Operator operating mechanism 3 is connected with bearing pedestal 19 with levels operation pipe 18 by operator operation pipe 5, along product base 6 upper end horizontal fixed four post porcelain vases are arranged, four post porcelain vases are vertical with the product base 6 of horizontal fixed, wherein three column porcelain vases 7 are fixed on it along the product base axis by left-to-right, in the middle of operation porcelain vase 17 and intermediate studdle porcelain vase 7 are positioned at; The lower end of three support insulators 7 is separately fixed on the product base 6 by bolt, and the lower end of operation porcelain vase 17 is by being bolted on the bearing pedestal 19; The upper end of three support insulators 7 is connecting hinge plug-in strip mechanism 12 and operator fixed contact 9 respectively.
Two base racks, 4 distances on described the first from left right side are 7800 ± 2mm.
Described hinge plug-in strip mechanism 12 two ends combined floodgate Center Length are 11000 ± 5mm.
Described four post porcelain vase height are 8400 ± 6mm.
Characteristics of the present utility model are: compare with three post horizontally openable formula high-voltage alternating current isolating switch equipment of present domestic existing ad eundem, it is with the obvious advantage that the utility model superhigh pressure exchanges 1100 kilovolts of isolating switches.GW-1100 (A) type isolating switch is the three-post horizontally turning type structure, (seeing accompanying drawing), and the conduction plug-in strip adopts straight-bar type high-strength aluminum alloy pipe, but moving contact is an assembled, easy to maintenance, the machine driving link is few, and is simple in structure, reliable in action, the contact through-current capability is big, good stability; Contact and electric contact points all adopt the welding-on silver process, make silver layer that adequate thickness and hardness be arranged, and guarantee the reliability of long-time running, and domestic existing product all adopt silver plating process, and silver coating approaches and easily comes off, and operational reliability is poor; Convertible plug-in strip structure opens ice than existing equipment and is stronger to contact automatically cleaning ability, is fit to the weather conditions of the Northwest fully; Underframe is welded by steel pipe, and overall thermal is zinc-plated, and rigidity is good, and antiseptic power is strong, and more existing three post stand-alone configurations stability is strong; There is good equal laminated structure the galvanic circle, makes its Electric Field Distribution more become reasonable.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the utility model product structure outline drawing front view;
Fig. 2 is the utility model product structure outline drawing vertical view;
Fig. 3 is the utility model product structure outline drawing left view.
Among the figure: the cutter operation is managed 1; 2, cutter operating mechanism; 3, operator operating mechanism; 4, base rack; 5, operator operation pipe; 6, product base; 7, support insulator; 8, grading ring; 9, operator fixed contact; 10, grading ring; 11, grading ring; 12, hinge plug-in strip mechanism; 13, grading ring; 14, ground connection fixed contact; 15, earthed switch; 16, connecting plate; 17, operation porcelain vase; 18, levels operation pipe; 19, bearing pedestal; 20, connecting lever.
Embodiment
As shown in Figure 1: ground cutter operating mechanism 2 and operator operating mechanism 3 and product base 6 are by on the base rack 4 that is bolted to the first from left right side, and two base rack 4 distances are at 7800 ± 2mm.Base rack 4 is fixed as one with ground.Operator operating mechanism 3 is connected with bearing pedestal 19 with levels operation pipe 18 by operator operation pipe 5, can realize linking; Ground cutter operating mechanism 2 is connected (earthed switch 15 as shown in Figure 3) by ground cutter operation pipe 1 with earthed switch 15.Along product base 6 upper end horizontal fixed four post porcelain vases are arranged, four post porcelain vases are vertical with the product base 6 of horizontal fixed, and wherein three column porcelain vases 7 are fixed on it along the product base axis by left-to-right, in the middle of operation porcelain vase 17 and intermediate studdle porcelain vase 7 are positioned at.The lower end of three support insulators 7 is separately fixed on the product base 6 by bolt, and the lower end of operation porcelain vase 17 is by being bolted on the bearing pedestal 19, and three post porcelain vase height are at 8400 ± 6mm; The upper end of three support insulators 7 is connecting hinge plug-in strip mechanism 12 and operator fixed contact 9 and ground connection fixed contact 14 (the ground connection fixed contact 14 as shown in Figure 3) respectively, and hinge plug-in strip mechanism 12 two ends combined floodgate Center Length are at 11000 ± 5mm; As shown in Figure 3, the upper end of operation porcelain vase 17 is connected with the intermediate studdle porcelain vase by connecting plate 16, and drives quadric chain and the 12 realization interlocks of hinge plug-in strip mechanism by connecting lever 20, as shown in Figure 2.Grading ring 8 laterally is connected three support insulator 7 tops respectively with grading ring 13, and grading ring 10 laterally is connected two support insulator 7 tops, both sides respectively, and grading ring 11 vertically is connected the left and right sides of hinge plug-in strip mechanism 12 respectively.Earthed switch 15 is free-standing assembly unit, is connected with product base 6 by bolt, and is easy for installation flexible.
Operation principle: operator operating mechanism 3 is by Asynchronous Motor Driving, pass torque to 180 ° of mechanism's main axis rotation by mechanical deceleration device, rotate 115 ° for bearing pedestal 19 and the rotation porcelain vase of fixing on it 17 by operate operation pipe 5 and 18 power transmissions of levels operation pipe, (70 °) move to closing position from the separating brake position to drive hinge plug-in strip mechanism 12 by connecting lever 20 then, finish making process.The separating brake process in contrast.
Claims (4)
1. superhigh pressure exchanges the 1100kV isolating switch, it is characterized in that: ground cutter operating mechanism (2), operator operating mechanism (3) and product base (6) are by on the base rack (4) that is bolted to the first from left right side, and base rack (4) is fixed as one with ground; Operator operating mechanism (3) is connected with bearing pedestal (19) with levels operation pipe (18) by operator operation pipe (5), along product base (6) upper end horizontal fixed four post porcelain vases are arranged, four post porcelain vases are vertical with the product base (6) of horizontal fixed, wherein three column porcelain vases (7) are fixed on it along the product base axis by left-to-right, in the middle of operation porcelain vase (17) and intermediate studdle porcelain vase (7) are positioned at; The lower end of three support insulators (7) is separately fixed on the product base (6) by bolt, and the lower end of operation porcelain vase (17) is by being bolted on the bearing pedestal (19); The upper end of three support insulators (7) is connecting hinge plug-in strip mechanism (12) and operator fixed contact (9) respectively.
2. superhigh pressure according to claim 1 exchanges the 1100kV isolating switch, it is characterized in that: two base racks (4) distance on described the first from left right side is 7800 ± 2mm.
3. superhigh pressure according to claim 1 exchanges the 1100kV isolating switch, and it is characterized in that: described hinge plug-in strip mechanism (12) two ends combined floodgate Center Length is 11000 ± 5mm.
4. superhigh pressure according to claim 1 exchanges the 1100kV isolating switch, and it is characterized in that: described four post porcelain vase height are 8400 ± 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200318081U CN201060783Y (en) | 2007-05-17 | 2007-05-17 | Supervoltage AC 1100kV isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200318081U CN201060783Y (en) | 2007-05-17 | 2007-05-17 | Supervoltage AC 1100kV isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060783Y true CN201060783Y (en) | 2008-05-14 |
Family
ID=39409272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200318081U Expired - Lifetime CN201060783Y (en) | 2007-05-17 | 2007-05-17 | Supervoltage AC 1100kV isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060783Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219190A (en) * | 2013-04-09 | 2013-07-24 | 中国西电电气股份有限公司 | +/-1100kV high-voltage direct current disconnecting switch |
| CN110326079A (en) * | 2017-02-22 | 2019-10-11 | 西门子股份公司 | There are two the switching devices of disconnecting switch and power switch for tool |
-
2007
- 2007-05-17 CN CNU2007200318081U patent/CN201060783Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219190A (en) * | 2013-04-09 | 2013-07-24 | 中国西电电气股份有限公司 | +/-1100kV high-voltage direct current disconnecting switch |
| CN103219190B (en) * | 2013-04-09 | 2015-04-22 | 中国西电电气股份有限公司 | +/-1100kV high-voltage direct current disconnecting switch |
| CN110326079A (en) * | 2017-02-22 | 2019-10-11 | 西门子股份公司 | There are two the switching devices of disconnecting switch and power switch for tool |
| CN110326079B (en) * | 2017-02-22 | 2021-10-22 | 西门子股份公司 | Switching device with two isolating switches and power switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080514 |
|
| CX01 | Expiry of patent term |