CN202855605U - Three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector - Google Patents
Three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector Download PDFInfo
- Publication number
- CN202855605U CN202855605U CN 201220503709 CN201220503709U CN202855605U CN 202855605 U CN202855605 U CN 202855605U CN 201220503709 CN201220503709 CN 201220503709 CN 201220503709 U CN201220503709 U CN 201220503709U CN 202855605 U CN202855605 U CN 202855605U
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- disconnector
- fracture
- fixedly installed
- turnover
- type outdoor
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Abstract
The utility model discloses a three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector, and relates to a disconnector in a 800kV ultra-high-voltage power system. The disconnector includes three single poles which have the same structure and can realize synchronous operation through electrical linkage. Each single pole comprises a main electric conduction tube (1), a transmission box (3), static contacts (5), moving contacts (6), support post insulators (7), a base frame (8), a chassis (9), a transmission rod (10), a motor operating mechanism (11), a vertical connecting rod (12), and a rotating insulator (15). According to the disconnector of the utility model, when the main electric conduction tube is switched off, two disconnecting fractures are formed in a horizontal direction; when the disconnector is switched on, the main electric conduction tube firstly performs rotating movement, and then, performs turnover movement, when the disconnector is nearly in a switch-on position, the main electric conduction tube performs turnover movement around the axis of the main electric conduction tube; when the disconnector is switched off, the movement that performed when the disconnector is switched on is performed in reverse order; and a mechanical interlocking device is arranged between the disconnector and a grounding switch. The three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector is advantageous in advantageous in stable and reliable movement, small operating force, small switch-on impact, low operating torque, high contact pressure, high-stability current circulation, excellent corrosion resistance, long service life and the like.
Description
Technical field
The utility model relates to the isolating switch in the 800kV ultrahigh voltage power system, specifically a kind of three post horizontal double-fracture turnover type outdoor high-voltage ACs.
Background technology
EHV transmission has the inherent characteristic that large capacity, remote, low-loss, province take up an area, and is the power transmission mode that meets China's fundamental realities of the country.The employing of EHV transmission technology realizes wider most optimum distribution of resources, promotes Efficient Development and the utilization of China's energy, promotes the sustainable development of economy and society.High-voltage alternating current isolating switch is one of important primary equipment in the high-tension power transmission and transformation equipment, is maximum a kind of of expense, occupies an important position in electric power system, requires higher to functional reliability.
Summary of the invention
For solving the technical problem of above-mentioned existence, the utility model provides a kind of three post horizontal double-fracture turnover type outdoor high-voltage ACs, good looking appearance, and stable action is reliable, and operating physical force is little, and the impact of closing a floodgate is little, long service life.
For achieving the above object, the technical solution adopted in the utility model is as follows:
Three post horizontal double-fracture turnover type outdoor high-voltage ACs, comprise that structure is identical, three one poles by electric-linked realization simultaneous operation, each one pole includes leading fulgurite, transmission case, fixed contact, moving contact, post insulator, base rack, underframe, drive link, electric motor operating mechanism, vertical links and rotating insulated son, described base rack is fixed on the basis, ground, described base rack top is fixedly installed underframe, the two ends of described underframe are fixedly installed post insulator, the centre position is provided with rotating insulated son, the post insulator top at described underframe two ends is respectively arranged with fixed contact, the upper and lower of described fixed contact is respectively arranged with the fixed contact grading ring, described transmission case is fixedly installed on the top of described rotating insulated son, the two ends of described leading fulgurite are fixedly installed respectively moving contact and are fixedly installed on the transmission case top, the two ends of described leading fulgurite are provided with arc and touch rod, the two ends attaching of described fixed contact has with arc touches the striking fingertip that rod matches, about the described transmission case, be provided with the moving contact grading ring on the left and right directions, part one side that described base rack is positioned at rotating insulated son below is fixedly installed electromotor operating mechanism, and described electromotor operating mechanism is by vertical links and drive link and described rotating insulated sub-connection.
Also include earthing switch blade, grounding static contact and mechanical interlocks, described earthing switch blade is arranged at the bottom of a lateral brace insulator, described grounding static contact is fixedly installed on the top of this post insulator, described mechanical interlocking device is arranged on the side of described underframe, connects by described mechanical interlocking device between described earthing switch blade, the moving contact.
Turning device in the described transmission case is set to shift fork bearing slidingtype.
Described earthing switch blade is single armed through ship two-step action plug in construction.
Form in the horizontal direction two isolation fractures during the leading fulgurite separating brake of the utility model, leading fulgurite is done and is rotated first again flip-flop movement during combined floodgate, nearly does around self axis flip-flop movement during closing position, otherwise separating brake then, be provided with mechanical interlocks between isolating switch and the earthed switch, have stable action reliable, operating physical force is little, closing a floodgate, it is little to impact, low operational torque, high contact pressure, through-flow stability is high, Corrosion Protection is good, the characteristics such as long service life.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Be illustrated in figure 1 as a specific embodiment of the present utility model, comprise structure three one poles identical, by electric-linked realization simultaneous operation, in each one pole, include leading fulgurite 1, transmission case 3, fixed contact 5, moving contact 7, post insulator 8, base rack 9, underframe 10, drive link 12, electric motor operating mechanism 14, vertical links 13 and rotating insulated sub 16.
Described base rack 9 is fixed on the basis, ground, and described base rack 9 tops are fixedly installed underframe 10, and the two ends of described underframe 10 are fixedly installed post insulator 8, the centre position is provided with rotating insulated sub 16.
Post insulator 8 tops at described underframe 9 two ends are respectively arranged with fixed contact 5, the described fixed contact 5 included striking fingertips that are equipped with, and the upper and lower of described fixed contact 5 is respectively arranged with fixed contact grading ring 4.Described transmission case 3 is fixedly installed on described rotating insulated sub 15 top, the two ends of described leading fulgurite 1 are fixedly installed respectively moving contact 6 and are fixedly installed on transmission case 3 tops, the two ends of described leading fulgurite 1 are provided with arc and touch rod 6, match with the striking fingertip of described fixed contact 5 inside.Turning devices in the described transmission case 3 are set to shift fork bearing slidingtype, about the described transmission case 3, be provided with moving contact grading ring 2 on the left and right directions.
Part one side that described base rack 9 is positioned at rotating insulated sub 16 belows is installed with electromotor operating mechanism 14 by anchor ear, and described electromotor operating mechanism 14 is connected with drive link by vertical links 13 and is connected with described rotating insulated sub 16.
The utility model also attaching has earthed switch, include earthing switch blade 15, grounding static contact 17 and mechanical interlocking device 11, described earthing switch blade 15 is arranged at the bottom of a lateral brace insulator 8, described grounding static contact 17 is fixedly installed on the top of this post insulator 8, described mechanical interlocking device 11 is arranged on the side that described underframe 10 is positioned at these post insulator 8 belows, connect by described mechanical interlocking device 11 between described earthing switch blade 15, the moving contact 7, described earthing switch blade 15 is set to single armed through ship two-step action plug in construction.
When the utility model closes a floodgate, electromotor operating mechanism 14 turns clockwise by vertical links 13, drive link 12 driven rotary insulators 16, be installed in the also thereupon rotation of transmission case 3 of rotating insulated sub 16 upper ends, thereby leading fulgurite 1 also horizontally rotates motion with transmission case; When moving contact 7 rotates to fixed contact 5 inside, arc touches rod 6 and contacts with the striking fingertip of attaching in fixed contact 5, then interior spacing contact of combined floodgate of leading fulgurite 1 and fixed contact 5, the motion of stopping the rotation of leading fulgurite 1 is made flip-flop movement, until moving contact 7 is turned to vertical position in horizontal plane, and with the fingertip close contact in the fixed contact 5, electric motor operating mechanism 14 stops action, and leading fulgurite 1 stops upset, and making process finishes.
The separating brake process in contrast, electromotor operating mechanism 14 is rotated counterclockwise by vertical links 13, drive link 12 driven rotary insulators 16, do first flip-flop movement under leading fulgurite 1 and the hook plate effect of moving contact 7 in fixed contact 5, to be flippedly in horizontal plane, rotate after complete, arc touches rod 6 to be separated with the striking fingertip of attaching in fixed contact 5, until leading fulgurite 1 is with two fixed contacts, 5 lines during into about 70 ° of angles, electric motor operating mechanism 14 stops action, the end of separating brake process.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also should belong to protection range of the present utility model.
Claims (4)
1. post horizontal double-fracture turnover type outdoor high-voltage AC, comprise that structure is identical, three one poles by electric-linked realization simultaneous operation, it is characterized in that, each one pole includes leading fulgurite (1), transmission case (3), fixed contact (5), moving contact (7), post insulator (8), base rack (9), underframe (10), drive link (12), electric motor operating mechanism (14), vertical links (13) and rotating insulated son (16), described base rack (9) is fixed on the basis, ground, described base rack (9) top is fixedly installed underframe (10), the two ends of described underframe (10) are fixedly installed post insulator (8), the centre position is provided with rotating insulated son (16), post insulator (8) top at described underframe (10) two ends is respectively arranged with fixed contact (5), the upper and lower of described fixed contact (5) is respectively arranged with fixed contact grading ring (4), described transmission case (3) is fixedly installed on the top of described rotating insulated son (16), the two ends of described leading fulgurite (1) are fixedly installed respectively moving contact (7) and are fixedly installed on transmission case (3) top, the two ends of described leading fulgurite (1) are provided with arc and touch rod (6), the two ends attaching of described fixed contact (5) has with arc touches the striking fingertip that rod (6) matches, about the described transmission case (3), be provided with moving contact grading ring (2) on the left and right directions, part one side that described base rack (9) is positioned at rotating insulated son (16) below is fixedly installed electromotor operating mechanism (14), and described electromotor operating mechanism (14) is connected 12 by vertical links (13) with drive link) be connected with described rotating insulated son (16).
2. three post horizontal double-fracture turnover type outdoor high-voltage ACs according to claim 1, it is characterized in that, also include earthing switch blade (15), grounding static contact (17) and mechanical interlocks (11), described earthing switch blade (15) is arranged at the bottom of a lateral brace insulator (7), described grounding static contact (17) is fixedly installed on the top of this post insulator (7), described mechanical interlocking device (13) is arranged on the side of described underframe (10), described earthing switch blade (15), connect by described mechanical interlocking device (13) between the moving contact (6).
3. three post horizontal double-fracture turnover type outdoor high-voltage ACs according to claim 1 is characterized in that, the turning device in the described transmission case (3) is set to shift fork bearing slidingtype.
4. three post horizontal double-fracture turnover type outdoor high-voltage ACs according to claim 1 is characterized in that, described earthing switch blade (15) is single armed through ship two-step action plug in construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503709 CN202855605U (en) | 2012-09-29 | 2012-09-29 | Three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503709 CN202855605U (en) | 2012-09-29 | 2012-09-29 | Three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855605U true CN202855605U (en) | 2013-04-03 |
Family
ID=47986774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220503709 Expired - Fee Related CN202855605U (en) | 2012-09-29 | 2012-09-29 | Three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855605U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337404A (en) * | 2013-07-24 | 2013-10-02 | 国家电网公司 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| CN104362029A (en) * | 2014-11-04 | 2015-02-18 | 江苏省如高高压电器有限公司 | 800KV disconnector |
| CN106531531A (en) * | 2016-12-21 | 2017-03-22 | 国网湖南省电力公司 | Extra-high voltage and high-current ice-melting isolation switch |
| CN110610832A (en) * | 2019-10-11 | 2019-12-24 | 北京中车赛德铁道电气科技有限公司 | Sliding high-voltage isolating switch |
-
2012
- 2012-09-29 CN CN 201220503709 patent/CN202855605U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337404A (en) * | 2013-07-24 | 2013-10-02 | 国家电网公司 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| CN103337404B (en) * | 2013-07-24 | 2015-04-01 | 国家电网公司 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| CN104362029A (en) * | 2014-11-04 | 2015-02-18 | 江苏省如高高压电器有限公司 | 800KV disconnector |
| CN104362029B (en) * | 2014-11-04 | 2016-05-18 | 江苏省如高高压电器有限公司 | A kind of 800KV isolating switch |
| CN106531531A (en) * | 2016-12-21 | 2017-03-22 | 国网湖南省电力公司 | Extra-high voltage and high-current ice-melting isolation switch |
| CN110610832A (en) * | 2019-10-11 | 2019-12-24 | 北京中车赛德铁道电气科技有限公司 | Sliding high-voltage isolating switch |
| CN110610832B (en) * | 2019-10-11 | 2021-05-04 | 北京中车赛德铁道电气科技有限公司 | Sliding high-voltage isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20150929 |
|
| EXPY | Termination of patent right or utility model |