CN202094038U - Straight swinging dual step action outdoor high-voltage alternating current grounding switch - Google Patents
Straight swinging dual step action outdoor high-voltage alternating current grounding switch Download PDFInfo
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- CN202094038U CN202094038U CN2011200844986U CN201120084498U CN202094038U CN 202094038 U CN202094038 U CN 202094038U CN 2011200844986 U CN2011200844986 U CN 2011200844986U CN 201120084498 U CN201120084498 U CN 201120084498U CN 202094038 U CN202094038 U CN 202094038U
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Abstract
A straight swinging dual step action outdoor high-voltage alternating current grounding switch comprises an auxiliary static contact (1), an arc extinguish chamber (3), a support (5), a main grounding knife switch (8), an auxiliary dynamic contact (10), a small angle driving device and an on-off device of the arc distinguish chamber (3). The auxiliary static contact (1) is arranged at the upper end of a switch (2) and fixedly connected with the switch (2), and the support (5) fixedly connected with the switch (2) is arranged at the lower end of the switch (2). The main grounding knife switch (8) is connected with the support (5) in hinged mode, and the arc distinguish chamber (3) is arranged on the support (5). The auxiliary dynamic contact (10) is arranged at the front end of the main grounding knife (8), the small angle driving device and the on-off device of the arc distinguish chamber (3) are respectively arranged on the main grounding knife (8), and the small angle driving device enables the auxiliary dynamic contact (10) to rotate at an angle ranging from 9 degrees to 12 degrees and is connected with the auxiliary dynamic contact (10). The arc distinguish chamber (3) is connected with the on-off device of the arc distinguish device (3), and the auxiliary dynamic contact (10) is connected with an output head of the arc distinguish chamber (3) through wires, thereby improving safety performance.
Description
One, technical field
The utility model relates to a kind of two-step action type outdoor high voltage AC earthing switch of directly swinging, and especially a kind ofly is adapted to the faradic two-step action type outdoor high voltage AC earthing switch of directly swinging of folding category-B that rated voltage is 550kV.
Two, background technology
Outdoor high voltage AC earthing switch plays the folding effect of power transmission line in carrying electricity, therefore outdoor high voltage AC earthing switch is an important power equipment, along with continuous expansion of electrical network and capacity improve constantly, adopt the form of the parallel high voltage transmission line line structure of common-tower double-return day by day to increase, under the situation that this class multichannel overhead transmission line is arranged, the earthed switch of earthed switch that adopts on the circuit and isolating switch attaching, for guaranteeing reliability of operation and fail safe, the ability that must have opening and closing induction current, the existing outdoor high voltage AC earthing switch that also is not fit to this situation.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model provides a kind of two-step action type outdoor high voltage AC earthing switch of directly swinging, and has improved security performance.
For achieving the above object, the technical scheme that the utility model is taked is: include auxiliary fixed contact, arc control device, support, main ground connection plug-in strip, auxiliary moving contact, low-angle drive unit and arc control device on-off system, auxiliary fixed contact is arranged on the upper end of switch and is set to and connects with switch is fixed, be provided with the support that is fixedly connected with switch in the lower end of switch, main ground connection plug-in strip is set to connect with the support radial type, arc control device are arranged on the support, auxiliary moving contact is arranged on the front end of main ground connection plug-in strip, low-angle drive unit and arc control device on-off system are separately positioned on the main ground connection plug-in strip, the low-angle drive unit is configured such that 9-12 ° of auxiliary moving contact rotation and connects with auxiliary moving contact, the arc control device on-off system is set to connect with arc control device, and auxiliary moving contact is set to connect with the delivery of arc control device by lead.
When earthed switch is in the separating brake position, main ground connection plug-in strip is in level, the low-angle drive unit makes auxiliary moving contact and main ground connection plug-in strip keep level, when earthed switch closes a floodgate, main ground connection plug-in strip rotates on support, when the angle between main ground connection plug-in strip and the horizontal line during greater than 9-12 °, the low-angle drive unit upwards rotates auxiliary moving contact, making the angle between auxiliary moving contact and the main ground connection plug-in strip is 43-46 °, continuing main ground connection plug-in strip rotates on support, when the angle between main ground connection plug-in strip and the horizontal line is 70-75 °, auxiliary moving contact contacts earlier connection with auxiliary fixed contact, when the angle between main ground connection plug-in strip and the horizontal line is 77-79 °, main ground connection plug-in strip less than insulation distance before, the arc control device on-off system closes a floodgate arc control device, isolating switch top current-carrying part is by auxiliary moving contact, lead and arc control device and the earth conducting, discharge induced current, when the angle between main ground connection plug-in strip and the horizontal line is 90 °, earthed switch rises and finishes combined floodgate, the separating brake process is opposite with making process, when the angle between main ground connection plug-in strip and the horizontal line is 0 °, the earthed switch separating brake puts in place, owing to designed low-angle drive unit and arc control device on-off system, make the auxiliary moving contact low-angle of steeving, guarantee that main ground connection plug-in strip has enough insulation distances over the ground, therefore improved security performance.
The utility model has designed, the low-angle drive unit is set to include limiting plate, back connecting lever, gag lever post, shackle rod, preceding connecting lever, following collets and last collets, front end at main ground connection plug-in strip is provided with following collets and the last collets that are fixedly connected with main ground connection plug-in strip, side at following collets is provided with the back connecting lever that connects with following collets rotary type, be provided with the torsion spring that is used to reset between collets and the back connecting lever down, be provided with the preceding connecting lever that connects with last collets rotary type in the side of last collets, between last collets and preceding connecting lever, be provided with the torsion spring that is used to reset, back connecting lever is set to connect with preceding connecting lever by shackle rod, preceding connecting lever is provided with the auxiliary moving contact that is fixedly connected with preceding connecting lever, support is provided with the limiting plate that is fixedly connected with support, limiting plate is set to arc, a side relative with shackle rod is provided with gag lever post on the connecting lever of back, gag lever post is set to connect with the limiting plate contact, and gag lever post is set to 9-12 ° in the arc angle of limiting plate motion.
The utility model has designed, the arc control device on-off system is set to include sliding shoe, front rod, middle connecting rod, supporting bracket and back link, be provided with the sliding shoe that connects with main ground connection plug-in strip slidingtype in the rear end of main ground connection plug-in strip, supporting bracket is set to connect with support is fixed, be set to connect in the middle part of middle connecting rod with the supporting bracket radial type, one end of front rod is set to connect with the sliding shoe radial type and the other end is set to connect with an end radial type of middle connecting rod, and an end of back link is set to connect with the other end radial type of middle connecting rod and the other end is set to connect with the action bars radial type of arc control device.
Four, description of drawings
Fig. 1 is a schematic diagram of the present utility model:
Fig. 2 is the A-A profile of Fig. 1:
Fig. 3 is a combined floodgate schematic diagram of the present utility model.
Five, embodiment
Accompanying drawing is an embodiment of the present utility model, specify present embodiment in conjunction with the accompanying drawings, include auxiliary fixed contact 1, arc control device 3, support 5, main ground connection plug-in strip 8, auxiliary moving contact 10, limiting plate 11, back connecting lever 12, gag lever post 13, shackle rod 14, preceding connecting lever 15, following collets 16, last collets 19, sliding shoe 21, front rod 22, middle connecting rod 23, supporting bracket 24 and back link 25, auxiliary fixed contact 1 is arranged on the upper end of switch 2 and is set to and 2 fixed connections of switch, be provided with the support 5 that is fixedly connected with switch 2 in the lower end of switch 2, main ground connection plug-in strip 8 is set to connect with support 5 radial types, arc control device 3 are arranged on the support 5, be provided with the sliding shoe 21 that connects with main ground connection plug-in strip 8 slidingtypes in the rear end of main ground connection plug-in strip 8, supporting bracket 24 is set to and 5 fixed connections of support, be set to connect in the middle part of middle connecting rod 23 with supporting bracket 24 radial types, one end of front rod 22 is set to connect with sliding shoe 21 radial types and the other end is set to connect with an end radial type of middle connecting rod 23, one end of back link 25 is set to connect with the other end radial type of middle connecting rod 23 and the other end is set to connect with the action bars radial type of arc control device 3, front end at main ground connection plug-in strip 8 is provided with following collets 16 and the last collets 19 that are fixedly connected with main ground connection plug-in strip 8, side at following collets 16 is provided with the back connecting lever 12 that connects with following collets 16 rotary types, be provided with the torsion spring that is used to reset between collets 16 and the back connecting lever 12 down, be provided with the preceding connecting lever 15 that connects with last collets 19 rotary types in the side of last collets 19, between last collets 19 and preceding connecting lever 15, be provided with the torsion spring that is used to reset, back connecting lever 12 is set to connect with preceding connecting lever 15 by shackle rod 14, preceding connecting lever 15 is provided with the auxiliary moving contact 10 that is fixedly connected with preceding connecting lever 15, support 5 is provided with the limiting plate 11 that is fixedly connected with support 5, limiting plate 11 is set to arc, a side relative with shackle rod 14 is provided with gag lever post 13 on the connecting lever 12 of back, gag lever post 13 is set to connect with limiting plate 11 contacts, gag lever post 13 is set to 9-12 ° in the arc angle of limiting plate 11 motions, and auxiliary moving contact 10 is set to connect by the delivery of lead with arc control device 3.
When earthed switch was in the separating brake position, main ground connection plug-in strip 8 was in level, and gag lever post 13 is connected with limiting plate 11 contacts, and back connecting lever 12 and preceding connecting lever 15 are not rotated, and made auxiliary moving contact 10 and main ground connection plug-in strip 8 keep level,
When earthed switch closes a floodgate, main ground connection plug-in strip 8 rotates on support 5, when the angle between main ground connection plug-in strip 8 and horizontal line is 9-12 °, gag lever post 13 still contacts with limiting plate 11 and is connected, when the angle between main ground connection plug-in strip 8 and the horizontal line during greater than 9-12 °, gag lever post 13 does not contact with limiting plate 11 and is connected, back connecting lever 12 and preceding connecting lever 15 rotate under the torsion spring effect, auxiliary moving contact 10 is upwards rotated, the angle of assisting between moving contact 10 and the main ground connection plug-in strip 8 is asked be 43-46 °, continuing main ground connection plug-in strip 8 rotates on support 5, when the angle between main ground connection plug-in strip 8 and the horizontal line is 70-75 °, auxiliary moving contact 10 contacts earlier connection with auxiliary fixed contact 1, when the angle between main ground connection plug-in strip 8 and the horizontal line is 77-79 °, main ground connection plug-in strip 8 is less than before the insulation distance, sliding shoe 21 moves down, by front rod 22, middle connecting rod 23 and back link 25, arc control device 3 are closed a floodgate, isolating switch top current-carrying part is by auxiliary moving contact 10, lead and arc control device 3 and the earth conducting, discharge induced current, when the angle between main ground connection plug-in strip 8 and the horizontal line was 90 °, earthed switch rose and finishes combined floodgate.The separating brake process is opposite with making process, and when the angle between main ground connection plug-in strip 8 and the horizontal line was 0 °, the earthed switch separating brake put in place.
The utlity model has characteristics:
1, owing to designed low-angle drive unit and arc control device 3 on-off systems, make auxiliary moving contact 10 low-angle of steeving, guarantee that main ground connection plug-in strip 8 has enough insulation distances over the ground, therefore improved security performance.
2, the structure that the utlity model has is: arc control device are positioned at the switch pedestal place, binding post links to each other with cable, cable and main ground connection plug-in strip are arranged side by side, middle by insulator support and insulation, the cable other end connects auxiliary moving contact, auxiliary moving contact and last insulator are hinged, with the also insulation side by side of main ground connection plug-in strip; The arc control device operating axis is connected with ground connection plug-in strip driving shaft by the connecting lever connecting rod; Auxiliary fixed contact is installed on switch dome end ground connection fixed contact the place ahead.It is characterized in that: auxiliary moving contact connecting lever is articulated in the insulator side, reset by torsion spring, lower end and pull bar are hinged, spacing connecting lever is hinged with following insulator side, the lower end and the pull bar other end are hinged, the arcuate guide limiting plate is fixed in the mounting bracket front end, limit stick is fixed in spacing connecting lever place, contact with the guide and limit plate during separating brake position, described auxiliary moving contact is in earthed switch gate-dividing state to ground cutter is steeved 10 ° of scopes, and parallel with main contact, relative position is constant, described auxiliary moving contact closes a floodgate at earthed switch and steeves after 10 °, rotates up around last insulator pin joint.Reach and main contact angle at 45.
3, the performance that the utlity model has is: be provided with the moving auxiliary contact of separating brake at the arc control device support and reduce device, avoid auxiliary moving contact to steeve and influence isolating switch fracture insulation distance, work as misoperation simultaneously, operator is closed a floodgate and during ground cutter action, because there is the gap in main ground cutter interlocking, the ground knife bar has steeving in the certain limit, but auxiliary moving contact does not have excessive rising in this scope, and guaranteeing to operate has enough insulation distances over the ground.
In directly swinging two-step action type outdoor high voltage AC earthing switch technical field; everyly include auxiliary fixed contact 1 and be arranged on the upper end of switch 2 and be set to and 2 fixed connections of switch; be provided with the support 5 that is fixedly connected with switch 2 in the lower end of switch 2; main ground connection plug-in strip 8 is set to connect with support 5 radial types; arc control device 3 are arranged on the support 5; auxiliary moving contact 10 is arranged on the front end of main ground connection plug-in strip 8; low-angle drive unit and arc control device 3 on-off systems are separately positioned on the main ground connection plug-in strip 8; the low-angle drive unit is configured such that auxiliary moving contact 10 9-12 ° of rotation and connects with auxiliary moving contact 10; arc control device 3 on-off systems are set to connect with arc control device 3, and the technology contents that auxiliary moving contact 10 is set to connect with the delivery of arc control device 3 by lead is all in protection range of the present utility model.
Claims (3)
1. directly swing the two-step action type outdoor high voltage AC earthing switch for one kind; It is characterized in that: include auxiliary fixed contact (1), arc control device (3), support (5), main ground connection plug-in strip (8), auxiliary moving contact (10), low-angle drive unit and arc control device (3) on-off system, auxiliary fixed contact (1) is arranged on the upper end of switch (2) and is set to and fixed connection of switch (2), be provided with the support (5) that is fixedly connected with switch (2) in the lower end of switch (2), main ground connection plug-in strip (8) is set to connect with support (5) radial type, arc control device (3) are arranged on the support (5), auxiliary moving contact (10) is arranged on the front end of main ground connection plug-in strip (8), low-angle drive unit and arc control device (3) on-off system is separately positioned on the main ground connection plug-in strip (8), the low-angle drive unit is configured such that 9-12 ° of auxiliary moving contact (10) rotation and connects with auxiliary moving contact (10), arc control device (3) on-off system is set to connect with arc control device (3), and auxiliary moving contact (10) is set to connect by the delivery of lead with arc control device (3).
2. the two-step action type outdoor high voltage AC earthing switch of directly swinging according to claim 1; It is characterized in that: the low-angle drive unit is set to include limiting plate (11), back connecting lever (12), gag lever post (13), shackle rod (14), preceding connecting lever (15), following collets (16) and last collets (19), front end at main ground connection plug-in strip (8) is provided with following collets (16) and the last collets (19) that are fixedly connected with main ground connection plug-in strip (8), side at following collets (16) is provided with the back connecting lever (12) that connects with following collets (16) rotary type, be provided with the torsion spring that is used to reset between collets (16) and the back connecting lever (12) down, be provided with the preceding connecting lever (15) that connects with last collets (19) rotary type in the side of last collets (19), between last collets (19) and preceding connecting lever (15), be provided with the torsion spring that is used to reset, back connecting lever (12) is set to connect with preceding connecting lever (15) by shackle rod (14), preceding connecting lever (15) is provided with the auxiliary moving contact (10) that is fixedly connected with preceding connecting lever (15), support (5) is provided with the limiting plate (11) that is fixedly connected with support (5), limiting plate (11) is set to arc, go up a side relative at back connecting lever (12) and be provided with gag lever post (13) with shackle rod (14), gag lever post (13) is set to connect with limiting plate (11) contact, and gag lever post (13) is set to 9-12 ° in the arc angle of limiting plate (11) motion.
3. the two-step action type outdoor high voltage AC earthing switch of directly swinging according to claim 1; It is characterized in that: arc control device (3) on-off system is set to include sliding shoe (21), front rod (22), middle connecting rod (23), supporting bracket (24) and back link (25), be provided with the sliding shoe (21) that connects with main ground connection plug-in strip (8) slidingtype in the rear end of main ground connection plug-in strip (8), supporting bracket (24) is set to and fixed connection of support (5), be set to connect in the middle part of middle connecting rod (23) with supporting bracket (24) radial type, one end of front rod (22) is set to connect with sliding shoe (21) radial type and the other end is set to connect with an end radial type of middle connecting rod (23), and an end of back link (25) is set to connect with the other end radial type of middle connecting rod (23) and the other end is set to connect with the action bars radial type of arc control device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200844986U CN202094038U (en) | 2011-03-17 | 2011-03-17 | Straight swinging dual step action outdoor high-voltage alternating current grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200844986U CN202094038U (en) | 2011-03-17 | 2011-03-17 | Straight swinging dual step action outdoor high-voltage alternating current grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202094038U true CN202094038U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200844986U Expired - Fee Related CN202094038U (en) | 2011-03-17 | 2011-03-17 | Straight swinging dual step action outdoor high-voltage alternating current grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202094038U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295829A (en) * | 2013-05-28 | 2013-09-11 | 山东泰开隔离开关有限公司 | Induced current release device of 252KV outdoor high-voltage alternating-current earthing switch |
| CN107170630A (en) * | 2016-03-08 | 2017-09-15 | 湖南长高高压开关有限公司 | Major loop is connected with arc-chutes with the extra-high-voltage earthing switch of opening and closing induction current |
| CN110047690A (en) * | 2019-04-11 | 2019-07-23 | 河南平高电气股份有限公司 | It is a kind of directly to swing formula earthing switch and its ground connection knife assembly |
-
2011
- 2011-03-17 CN CN2011200844986U patent/CN202094038U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295829A (en) * | 2013-05-28 | 2013-09-11 | 山东泰开隔离开关有限公司 | Induced current release device of 252KV outdoor high-voltage alternating-current earthing switch |
| CN107170630A (en) * | 2016-03-08 | 2017-09-15 | 湖南长高高压开关有限公司 | Major loop is connected with arc-chutes with the extra-high-voltage earthing switch of opening and closing induction current |
| CN110047690A (en) * | 2019-04-11 | 2019-07-23 | 河南平高电气股份有限公司 | It is a kind of directly to swing formula earthing switch and its ground connection knife assembly |
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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: 20111228 Termination date: 20130317 |