CN202855606U - Three-column horizontal double-fracture turnover-type outdoor high-voltage direct-current disconnector - Google Patents
Three-column horizontal double-fracture turnover-type outdoor high-voltage direct-current disconnector Download PDFInfo
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- CN202855606U CN202855606U CN 201220504073 CN201220504073U CN202855606U CN 202855606 U CN202855606 U CN 202855606U CN 201220504073 CN201220504073 CN 201220504073 CN 201220504073 U CN201220504073 U CN 201220504073U CN 202855606 U CN202855606 U CN 202855606U
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Abstract
The utility model discloses a three-column horizontal double-fracture turnover-type outdoor high-voltage direct-current disconnector, relates to a disconnector in a +/- 515kV ultra-high-voltage power system. The three-column horizontal double-fracture turnover-type outdoor high-voltage direct-current disconnector includes 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 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 direct-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
Isolating switch in a kind of ± 515kV ultrahigh voltage power system that the utility model relates to, specifically a kind of three post horizontal double-fracture turnover type outdoor high-voltage direct-current isolating switchs.
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.DC line is subject to the support of various circles of society because the point-to-point form of main employing is less to the interference of operation of power networks.High-voltage direct current isolation switch is one of important primary equipment in the high voltage direct current power transmission and transforming equipment, is maximum a kind of of expense, occupies an important position in electric power system, requires higher to functional reliability.Just at present, outdoor superhigh voltage DC isolating switch structure mostly is collapsible, collapsible direct-current isolating switch can produce larger cross force to insulator when closing a floodgate, the insulator top can produce larger skew, and then affects the reliability and stability that direct-current isolating switch closes a floodgate.
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 direct-current isolating switchs, 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:
A kind of three post horizontal double-fracture turnover type outdoor high-voltage direct-current isolating switchs, include leading fulgurite, transmission case, fixed contact, moving contact, post insulator, base rack, underframe, drive link, electric motor operating mechanism, vertical links, 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, 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 interlocking device, 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 that described underframe is positioned at this post insulator below, connects by described mechanical interlocking device between described earthing switch blade, the moving contact.
Described earthing switch blade is the folding plug in construction of single-arm vertical.
Described mechanical interlocks is set to the roller slidingtype.
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, it is reliable to have stable action, and 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, include leading fulgurite 1, transmission case 3, fixed contact 5, moving contact 6, post insulator 7, base rack 8, underframe 9, drive link 10, electric motor operating mechanism 11, vertical links 12 and rotating insulated sub 15.
Described base rack 8 is fixed on the basis, ground, and described base rack 8 tops are fixedly installed underframe 9, and the two ends at the described end 9 are fixedly installed post insulator 7, the centre position is provided with rotating insulated sub 15.
Part one side that described base rack 8 is positioned at rotating insulated sub 15 belows is installed with electromotor operating mechanism 11 by anchor ear, and described electromotor operating mechanism 11 is connected with drive link by vertical links 12 and is connected with described rotating insulated sub 15.
The utility model also attaching has earthed switch, include earthing switch blade 14, grounding static contact 16 and mechanical interlocking device 13, described earthing switch blade 14 is the folding plug in construction of single-arm vertical, be arranged at the bottom of a lateral brace insulator 7, described grounding static contact 16 is fixedly installed on the top of this post insulator 7, described mechanical interlocking device 13 is arranged on the side that described underframe 9 is positioned at these post insulator 7 belows, connect by described mechanical interlocking device 13 between described earthing switch blade 14, the moving contact 6, described mechanical interlocks 13 is set to the roller slidingtype.
The utility model is when closing a floodgate, electromotor operating mechanism 11 turns clockwise by vertical links 12, drive link 10 driven rotary insulators 15, be installed in the also thereupon rotation of transmission case 3 at rotating insulated sub 15 tops, thereby leading fulgurite 1 also horizontally rotates motion with transmission case 3; When moving contact 6 rotates to fixed contact 5 inside, the spacing contact of combined floodgate that leading fulgurite 1 and fixed contact 5 are interior, the motion of stopping the rotation of leading fulgurite 1, in horizontal plane, make flip-flop movement, until moving contact 6 is turned to vertical position, and with fixed contact 5 in the fingertip close contact, electric motor operating mechanism 11 stops action, leading fulgurite 1 stops upset, and making process finishes.
The separating brake process in contrast, electromotor operating mechanism 11 is rotated counterclockwise by vertical links 12, drive link 10 driven rotary insulators 15, do first flip-flop movement under leading fulgurite 1 and the hook plate effect of moving contact 6 in fixed contact 5, to be flippedly in horizontal plane, rotate after complete, until leading fulgurite 1 and two fixed contacts, 5 lines are during into about 70 ° of angles, electric motor operating mechanism 11 stops action, and the separating brake process finishes.
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 direct-current isolating switch, it is characterized in that, include leading fulgurite (1), transmission case (3), fixed contact (5), moving contact (6), post insulator (7), base rack (8), underframe (9), drive link (10), electric motor operating mechanism (11), vertical links (12), rotating insulated son (15), described base rack (8) is fixed on the basis, ground, described base rack (8) top is fixedly installed underframe (9), the two ends of described underframe (9) are fixedly installed post insulator (7), the centre position is provided with rotating insulated son (15), post insulator (7) top at described underframe (9) 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 (15), the two ends of described leading fulgurite (1) are fixedly installed respectively moving contact (6) and are fixedly installed on transmission case (3) top, 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 (8) is positioned at rotating insulated son (15) below is fixedly installed electromotor operating mechanism (11), and described electromotor operating mechanism (11) is connected 10 by vertical links (12) with drive link) be connected with described rotating insulated son (15).
2. three post horizontal double-fracture turnover type outdoor high-voltage direct-current isolating switchs according to claim 1, it is characterized in that, also include earthing switch blade (14), grounding static contact (16) and mechanical interlocking device (13), described earthing switch blade (14) is arranged at the bottom of a lateral brace insulator (7), described grounding static contact (16) is fixedly installed on the top of this post insulator (7), described mechanical interlocking device (13) is arranged on the side that described underframe (9) is positioned at this post insulator (7) below, described earthing switch blade (14), connect by described mechanical interlocking device (13) between the moving contact (6).
3. three post horizontal double-fracture turnover type outdoor high-voltage direct-current isolating switchs according to claim 1 is characterized in that, described earthing switch blade (14) is the folding plug in construction of single-arm vertical.
4. three post horizontal double-fracture turnover type outdoor high-voltage direct-current isolating switchs according to claim 1 is characterized in that described mechanical interlocks (13) is set to the roller slidingtype.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504073 CN202855606U (en) | 2012-09-29 | 2012-09-29 | Three-column horizontal double-fracture turnover-type outdoor high-voltage direct-current disconnector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504073 CN202855606U (en) | 2012-09-29 | 2012-09-29 | Three-column horizontal double-fracture turnover-type outdoor high-voltage direct-current disconnector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855606U true CN202855606U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220504073 Expired - Fee Related CN202855606U (en) | 2012-09-29 | 2012-09-29 | Three-column horizontal double-fracture turnover-type outdoor high-voltage direct-current disconnector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904029A (en) * | 2019-04-16 | 2019-06-18 | 中国电力工程顾问集团西南电力设计院有限公司 | Embedded Double fracture ice-melt disconnecting switch |
-
2012
- 2012-09-29 CN CN 201220504073 patent/CN202855606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904029A (en) * | 2019-04-16 | 2019-06-18 | 中国电力工程顾问集团西南电力设计院有限公司 | Embedded Double fracture ice-melt disconnecting 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 |