CN102176396B - Three-phase common-box type high-speed earthing switch device - Google Patents
Three-phase common-box type high-speed earthing switch device Download PDFInfo
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- CN102176396B CN102176396B CN 201110064553 CN201110064553A CN102176396B CN 102176396 B CN102176396 B CN 102176396B CN 201110064553 CN201110064553 CN 201110064553 CN 201110064553 A CN201110064553 A CN 201110064553A CN 102176396 B CN102176396 B CN 102176396B
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- type high
- moving contact
- busbar
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Abstract
The invention discloses a three-phase common-box type high-speed earthing switch device in the technical field of a high-voltage switch. The device comprises a shell, a connection plate, a crank arm, a support seat, a guide rod, a moving contact, conductive rods, a conductive bar and earthing seats, wherein the guide rod and three earthing seats are fixedly arranged in the shell respectively, and the support seat is sleeved on the guide rod; three conductive rods are fixedly arranged on corresponding earthing seats; the conductive bar and the moving contact are fixedly connected with the bottom of the connection plate respectively and communicated with the conductive rods; and one end of the crank arm is rotatably connected with the inside of the shell, and the other end is connected with the support seat. The device has a compact structure and reliable performance.
Description
Technical field
What the present invention relates to is a kind of device of high-voltage switch gear technical field, specifically a kind of Three phase common box type Quick ground switch device of 145KV combined electrical apparatus.
Background technology
Three-phase common-box type high-speed grounding switching device is the assembly of gas insulation metal seal combined electrical apparatus GIS, be configured in the outlet isolating switch of transmission line circuit by circuit one side, it has two effects: folding parallel aerial circuit is because capacitance current and the electromagnetic induction that electrostatic induction produces produces inductive current; When creepage phenomenon or enclosure arcing appearred in the enclosure insulator, high speed grounding switch utilized circuit breaker excision fault current with the major loop rapid grounding.
Through the retrieval of prior art is found, it is box that existing high speed grounding switch is three-phase separate, complex structure, and to close in process frictional resistance larger due to the pass simultaneously, and operating work is higher.Existing structure will guarantee to close the reliability of closing in addition, and is higher to the requirement on machining accuracy of part, and therefore the cost of whole device is higher.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of Three-phase common-box type high-speed grounding switching device is provided, reduce to greatest extent operating work, its compact conformation of while, dependable performance, and cost is lower.
The present invention is achieved by the following technical solutions, the present invention includes: housing, connecting plate, connecting lever, bearing, guide post, moving contact, conducting rod, busbar and grounding base, wherein: guide post and three grounding bases are fixedly installed on respectively in housing and bearing is socketed on guide post, three conducting rods are fixedly installed on corresponding grounding base, busbar is fixedly connected with the bottom of connecting plate respectively and is communicated with conducting rod with moving contact, one end and the enclosure interior of connecting lever are rotationally connected, and the other end is connected with bearing.
Described connection is by being arranged at soft copper band and the busbar between moving contact and conducting rod and the realization of soft copper band between conducting rod and busbar.
During the work of this device, connecting lever rotates counterclockwise, and stirs bearing and do rectilinear motion upwards under the restriction of guide post, and bearing and connecting plate are fixed together, and connecting plate and three moving contacts link together.Bearing is done rectilinear motion upwards, thus three rectilinear motion arrival assigned positions that moving contacts are done to make progress.The Three-phase common-box type high-speed grounding switching device separating brake.Connecting lever clockwise rotates, and stirs bearing and do downward rectilinear motion under the restriction of guide post, and bearing and connecting plate are fixed together, and connecting plate and three moving contacts link together.Bearing is done downward rectilinear motion, thereby three moving contacts are done downward rectilinear motion and contacted with the downside contact base.Three-phase common-box type high-speed grounding switching device closes a floodgate.
Compared with prior art, the present invention adopts the soft copper band to connect, and has both satisfied and has closed the requirement of closing short circuit current, and maximum possible reduces operating work again; Housing adopts high strength cast aluminium structure, simultaneously owing to adopting dual-guiding structure, has increased the accuracy of guiding, has guaranteed to close the accuracy of closing, and has improved the reliability of device.
Description of drawings
Fig. 1 is separating brake schematic diagram of the present invention.
Fig. 2 is combined floodgate schematic diagram of the present invention.
Fig. 3 is the A-A cutaway view of Fig. 1.
Embodiment
The below elaborates to embodiments of the invention, and the present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
As shown in Figure 1, this device comprises: housing 1, connecting lever 2, connecting plate 3, bearing 4, guide post 5, grounding base 6, conducting rod 9, busbar 11 and moving contact 12, wherein: guide post 5 and three grounding bases 6 are fixedly installed on respectively in housing 1 and bearing 4 is socketed on guide post 5, three conducting rods 9 are fixedly installed on corresponding grounding base 6, busbar 11 is fixedly connected with the bottom of connecting plate 3 respectively and is communicated with conducting rod 9 with moving contact 12, one end of connecting lever 2 is connected with housing 1 inner rotation, and the other end of connecting lever 2 is connected with bearing 4.
Described connection is by being arranged at soft copper band and the busbar 11 between moving contact 12 and conducting rod 9 and the realization of soft copper band between conducting rod 9 and busbar 11.
Described housing 1 is for monolithic construction and adopt monoblock cast processing to obtain.
The other end of described connecting lever 2 is connected with bearing 4 and refers to: connecting lever 2 is connected in the interior raceway of bearing 4 by roller 13.
Described bearing 4 inside are provided with two guiding borehole jacks 7 that are placed in respectively on the first guide post 5 and the second guide post 8 and guarantee the position degree of moving contact 12 to realize dual-guiding structure.
Described connecting plate 3 links together bearing 4, busbar 11, moving contact 12 by bolt.
Because the soft copper band is adopted in conducting rod 9 and the connection between busbar 11 of this device, namely flexibly connect, therefore can reduce greatly frictional resistance in operating process, reduce the operating work of this device, owing to adopting dual-guiding structure, namely the first guide post 5 and the second guide post 8, increased the accuracy that leads simultaneously, guaranteed to close the accuracy of closing, improved the reliability of device.
As shown in Figure 1, device is in the separating brake service position.Close a floodgate if need, the high-voltage switch gear control cubicle will provide reclosing command, operating mechanism will drive connecting lever 2 and turn clockwise, stir bearing 4 and do downward rectilinear motion under the restriction of the first guide post 5 and the second guide post 8, bearing 4 and connecting plate 3 are fixed together, and connecting plate 3 and three moving contacts 12 link together.Bearing 4 is done downward rectilinear motion, thereby three moving contacts 12 are done downward rectilinear motion and contacted with the downside contact base.Three-phase common-box type high-speed grounding switching device closes a floodgate.
As shown in Figure 2, device is in the combined floodgate service position.If need separating brake, the high-voltage switch gear control cubicle will provide the separating brake instruction, operating mechanism will drive connecting lever 2 and be rotated counterclockwise, stir bearing 4 and do rectilinear motion upwards under the restriction of the first guide post 5 and the second guide post 8, bearing 4 and connecting plate 3 are fixed together, and connecting plate 3 and three moving contacts 12 link together.Bearing 4 is done rectilinear motion upwards, thereby three moving contacts 12 are done rectilinear motion and downside contact base upwards and are separated.The Three-phase common-box type high-speed grounding switching device separating brake.
Because the soft copper band is adopted in conducting rod and the connection between busbar of this device, namely flexibly connect, therefore can reduce greatly frictional resistance in operating process, reduce the operating work of this device, simultaneously owing to adopting dual-guiding structure, increase the accuracy of guiding, guaranteed to close the accuracy of closing, improved the reliability of device.Whole apparatus structure is compact, and is easy to assembly.
Claims (4)
1. Three-phase common-box type high-speed grounding switching device, comprise: housing, connecting plate, connecting lever, bearing, two guide posts, moving contact, conducting rod, busbar and grounding bases, it is characterized in that: two guide posts and three grounding bases are fixedly installed on respectively in housing and bearing is socketed on guide post, three conducting rods are fixedly installed on corresponding grounding base, busbar is fixedly connected with the bottom of connecting plate respectively and is communicated with conducting rod with moving contact, one end and the enclosure interior of connecting lever are rotationally connected, and the other end of connecting lever is connected in raceway in bearing by roller;
Described bearing inside is provided with two pilot holes that are placed in respectively on the first guide post and the second guide post and is embedded with and realizes that dual-guiding structure guarantees the position degree of moving contact.
2. Three-phase common-box type high-speed grounding switching device according to claim 1, is characterized in that, described connection is by being arranged at soft copper band and the busbar between moving contact and conducting rod and the realization of soft copper band between conducting rod and busbar.
3. Three-phase common-box type high-speed grounding switching device according to claim 1, is characterized in that, described housing is monolithic construction and adopts monoblock cast processing to obtain.
4. Three-phase common-box type high-speed grounding switching device according to claim 1, is characterized in that, described connecting plate links together bearing, busbar and moving contact by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110064553 CN102176396B (en) | 2011-03-17 | 2011-03-17 | Three-phase common-box type high-speed earthing switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110064553 CN102176396B (en) | 2011-03-17 | 2011-03-17 | Three-phase common-box type high-speed earthing switch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102176396A CN102176396A (en) | 2011-09-07 |
| CN102176396B true CN102176396B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110064553 Expired - Fee Related CN102176396B (en) | 2011-03-17 | 2011-03-17 | Three-phase common-box type high-speed earthing switch device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102176396B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548899A (en) * | 2016-12-09 | 2017-03-29 | 河南平芝高压开关有限公司 | Action shifter and the disconnecting switch and GIS device using the mechanism |
| CN108807063B (en) * | 2018-06-01 | 2023-11-28 | 河南华盛隆源电气有限公司 | Switch cabinet and three-phase grounding switch thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192481A (en) * | 2006-11-30 | 2008-06-04 | 三菱电机株式会社 | Earthing switch |
| CN201498419U (en) * | 2009-09-15 | 2010-06-02 | 湖南长高高压开关集团股份公司 | Quick ground switch used for gas insulated metal-enclosed switchgear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005012893A (en) * | 2003-06-18 | 2005-01-13 | Mitsubishi Electric Corp | Gas insulated switchgear |
-
2011
- 2011-03-17 CN CN 201110064553 patent/CN102176396B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192481A (en) * | 2006-11-30 | 2008-06-04 | 三菱电机株式会社 | Earthing switch |
| CN201498419U (en) * | 2009-09-15 | 2010-06-02 | 湖南长高高压开关集团股份公司 | Quick ground switch used for gas insulated metal-enclosed switchgear |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-12893A 2005.01.13 |
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| Publication number | Publication date |
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| CN102176396A (en) | 2011-09-07 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20190317 |