CN102034639B - Outdoor high-voltage AC three-pole double-earthing isolating switch - Google Patents
Outdoor high-voltage AC three-pole double-earthing isolating switch Download PDFInfo
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- CN102034639B CN102034639B CN 201110022641 CN201110022641A CN102034639B CN 102034639 B CN102034639 B CN 102034639B CN 201110022641 CN201110022641 CN 201110022641 CN 201110022641 A CN201110022641 A CN 201110022641A CN 102034639 B CN102034639 B CN 102034639B
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- fingertip
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- 239000012212 insulator Substances 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000016507 interphase Effects 0.000 abstract 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 8
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention provides an outdoor high-voltage AC three-pole double-earthing isolating switch, which is formed by connecting three groups of single-pole isolating switches with the same structure. A contact finger end earthing bus at one end of each group of single-pole isolating switch is in bolted connection with a contact finger end earthing inter-phase drive rod, and is connected with a contact finger end earthed pole; and a contact stick end earthing bus is in bolted connection with a contact stick end earthing inter-phase drive rod, and is connected with a contact stick end earthed pole to realize three-pole double-earthing. The isolating switch has the advantages that: the isolating switch adopts the simultaneous power supply of three phases, and the independent earthing of a leading-in end and a leading-out end can be realized; the product can be used for 10,000 times with high reliability, has reliable performance, greatly reduces the workload of field maintenance and reduces the running cost; the isolating switch has vast market prospect, and is widely applied to electric railways; the isolating switch has the cost of 17,000 yuan per set and the yield of 2,000 sets per year, and produces the annual sales revenues of 3.4 to 4.4 million yuan so as to achieve remarkable economic benefits; and after forming a certain scale, the product can be exported to the international market to earn foreign exchanges for China.
Description
Technical field
The present invention relates to the extremely two earthing isolators of a kind of outdoor high-voltage alternating current three, be applied to the in one's power usefulness of contact net lines road circuit switched when having voltage zero load of electric railway power transformation.
Background technology
Outdoor high-voltage alternating current isolating switch is the necessary product of the normal operation of railway, and it is bearing the operating normal power supply of railway locomotive and the power failure Quarantine Tasks when breaking down, and is the capital equipment that guarantees the normal operation of railway.For the purpose of the safety, isolating switch is wanted reliable ground when separating brake, so earthing isolator is arranged.
At present, domestic and international three utmost point ground connection separate and are generally an end ground connection, so the relative line two-terminal-grounding of fail safe poor stability.But how realizing that three-pole isolator is grounded respectively into and out of line end when separating brake is isolated, is the technical barrier that this field urgent need is captured.Such as its horse of Uzbekistan soil its---the peace lattice by electrification project in, need the 27.5kV three-pole isolator under gate-dividing state, pass in and out line end while ground connection.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this invention is to provide the extremely two earthing isolators of a kind of outdoor AC high-voltage three, be beneficial to guarantee that whole electrical network normally moves, strengthen the locomotive security of operation.
For realizing goal of the invention, the technical solution used in the present invention provides the extremely two earthing isolators of a kind of outdoor high-voltage alternating current three, wherein: this isolating switch is that the single-pole isolator of three groups of same structures is formed by connecting, described one pole is opened isolating switch and is included single-pole switch body 1, includes line cap 12, tactile rod assembling 13, fingertip assembling 14, insulator 15, base 16, main shaft 17, operator intercolumniation drive link 18 in the single-pole switch body 1; The conductive shaft bottom of described two line caps 12 is assembled 14 bolts and is connected with tactile rod assembling 13, fingertip respectively, touch rod assembling 13, fingertip assembling 14 tops that are bolted respectively at two insulators 15, the bottom of two insulators 15 all is connected with base 16 bolts, the top of main shaft 17 is connected on the bearing pedestal of base 16 by rolling bearing, one end of operator intercolumniation drive link 18 is connected with the fingertip bottom seat pin axle of fingertip assembling 14, the other end is connected with the tactile excellent bottom seat pin axle that touches rod assembling 13, opens isolating switch and form one pole;
Connecting lever on the main shaft 17 of every group of single-pole isolator is connected to form interlock by the alternate drive link 10 of operating, supporting bracket 11 is equipped with respectively at the two ends of the base 16 of every group of single-pole isolator, be fixed with the alternate drive link 5 of tactile rod end ground connection by sliding bearing on the supporting bracket 11 of every group of single-pole isolator base 16 1 ends, be fixed with the alternate drive link 8 of fingertip end ground connection by sliding bearing on every group of single-pole isolator base 16 other end supporting brackets 11, and form three-pole isolator;
One end of every group of single-pole isolator is provided with fingertip end ground connection bus 2, the other end is provided with and touches rod end ground connection bus 4, described fingertip end ground connection bus 2 drive link 8 bolts alternate with fingertip end ground connection are connected, and are connected with fingertip termination the thin end of the scroll 9 on the alternate drive link 8 of fingertip end ground connection; Described tactile rod end ground connection bus 4 is connected with alternate drive link 5 bolts of tactile rod end ground connection, touches rod and holds the alternate drive link 5 of ground connection to be connected with tactile excellent termination the thin end of the scroll 6.
Effect of the present invention is because this isolating switch economy on primacy and the price has technically determined that this product must produce good social benefit, specifically can be embodied in following some:
1, isolating switch adopts three-phase to power simultaneously, and end of incoming cables and leading-out terminal can bilateral independent groundings;
2, life of product is 10000 times, and reliability is high;
3, properties of product are reliable, greatly reduce the field service workload, cut operating costs;
4, this isolating switch extensive market, and the electric railway usage quantity is huge.17000 yuan/platform during 22000 yuan/platform tennis partner actuation mechanism when every cover isolating switch cost is pressed the distribution actuation mechanism, annual output 2000 covers calculate, annual wound income from sales 3,400 ten thousand-4,400 ten thousand, economic benefit is fairly obvious.After the product formation scale, can export to the international market, for country earns foreign exchange.
Description of drawings
Fig. 1 is isolating switch three-stage structure front view of the present invention;
Fig. 2 is isolating switch Switch main body structural front view of the present invention;
Fig. 3 is isolating switch axis of no-feathering mapping of the present invention.
1. Switch main body 2. fingertip end ground connection buses
3. touch rod end ground connection intercolumniation drive link 4. and touch rod end ground connection bus
5. touch the alternate drive link 6. of rod end ground connection and touch excellent termination the thin end of the scroll
7. the alternate drive link of fingertip end ground connection intercolumniation drive link 8. fingertip end ground connection
9. the alternate drive link of fingertip termination the thin end of the scroll 10. operator
11. supporting bracket 12. line caps
Touch rod 13. touch rod 14.
15. insulator 16. bases
17. main shaft 18. operator intercolumniation drive links
Embodiment
The structure and the operational mode that specify by reference to the accompanying drawings the extremely two earthing isolators of outdoor AC high-voltage three of the present invention are illustrated.
As shown in Figure 1, 2, 3, the extremely two earthing isolators of outdoor high-voltage alternating current three of the present invention, this isolating switch is that the single-pole isolator of three groups of same structures is formed by connecting, described one pole is opened isolating switch and is included single-pole switch body 1, includes line cap 12, tactile rod assembling 13, fingertip assembling 14, insulator 15, base 16, main shaft 17, operator intercolumniation drive link 18 in the single-pole switch body 1; The conductive shaft bottom of described two line caps 12 is assembled 14 bolts and is connected with tactile rod assembling 13, fingertip respectively, touch rod assembling 13, fingertip assembling 14 tops that are bolted respectively at two insulators 15, the bottom of two insulators 15 all is connected with base 16 bolts, the top of main shaft 17 is connected on the bearing pedestal of base 16 by rolling bearing, one end of operator intercolumniation drive link 18 is connected with the fingertip bottom seat pin axle of fingertip assembling 14, the other end is connected with the tactile excellent bottom seat pin axle that touches rod assembling 13, opens isolating switch and form one pole.
Connecting lever on the main shaft 17 of every group of single-pole isolator is connected to form interlock by the alternate drive link 10 of operating, supporting bracket 11 is equipped with respectively at the two ends of the base 16 of every group of single-pole isolator, be fixed with the alternate drive link 5 of tactile rod end ground connection by sliding bearing on the supporting bracket 11 of every group of single-pole isolator base 16 1 ends, be fixed with the alternate drive link 8 of fingertip end ground connection by sliding bearing on every group of single-pole isolator base 16 other end supporting brackets 11, and form three-pole isolator.
One end of every group of single-pole isolator is provided with fingertip end ground connection bus 2, the other end is provided with and touches rod end ground connection bus 4, described fingertip end ground connection bus 2 drive link 8 bolts alternate with fingertip end ground connection are connected, and are connected with fingertip termination the thin end of the scroll 9 on the alternate drive link 8 of fingertip end ground connection; Described tactile rod end ground connection bus 4 is connected with alternate drive link 5 bolts of tactile rod end ground connection, touches rod and holds the alternate drive link 5 of ground connection to be connected with tactile excellent termination the thin end of the scroll 6.
The fingertip end ground connection bus 2 of the extremely two earthing isolators of outdoor high-voltage alternating current three of the present invention is connected drive link 8 in the bolt connection of close every utmost point switch place with fingertip end ground connection, the alternate drive link 8 of fingertip end ground connection is connected with supporting bracket in the connection of every utmost point switch pedestal place sliding bearing, 9 drive links 8 welding alternate with fingertip end ground connection of fingertip termination the thin end of the scroll.Tactile rod is held ground connection bus 4 and is connected near the bolt connection every utmost point switch pedestal other end of the alternate drive link 5 of rod end ground connection, touch rod and hold the alternate drive link 5 of ground connection to be connected with supporting bracket in the connection of every utmost point switch pedestal other end place sliding bearing, touch excellent termination the thin end of the scroll 6 and touch excellent alternate drive link 5 welding of ground connection of holding.Operate alternate drive link 10 be connected that the connecting lever pivot pin connects on the main shaft 17 of utmost point switch.
The extremely two earthing isolators of this outdoor AC high-voltage three are when open position, the fingertip termination the thin end of the scroll 9 of every utmost point and fingertip assembling 14 is grounded at the fingertip end, the tactile excellent termination the thin end of the scroll 6 of every utmost point is being touched the excellent ground connection of holding with tactile rod assembling 13 simultaneously, fingertip end and tactile rod end are the turnover line end of isolating switch, therefore this three-pole isolator has been realized the two ground connection at end of incoming cables and leading-out terminal.
The extremely two earthing isolator operational modes of this outdoor AC high-voltage three are:
A. external manipulation mechanism drives main shaft 17 rotations, and main shaft 17 is assembled 14 rotations by operate intercolumniation drive link two insulators 15 of 18 drives and then the excellent assembling 13 of band movable contact, fingertip, realizes that Switch main body divides, closes a floodgate; Realize the triple-pole switch divide-shut brake by the alternate drive link 10 of operator between every group of single-pole isolator.
B. external manipulation mechanism band movable contact rod end ground connection intercolumniation drive link 3 rotates, and 6 swings of tactile rod end ground connection intercolumniation drive link 3 band movable contact rod termination the thin end of the scroll realize touching rod end ground connection.
C. external manipulation mechanism drives the alternate drive link 8 of fingertip end ground connection and rotates the alternate drive link 8 drive fingertip termination the thin end of the scroll of fingertip end ground connection 9 swing realization fingertip end ground connection.
The extremely two earthing isolator functions of outdoor AC high-voltage three of the present invention are achieved in that
1. technical parameter: functional requirement and reliability requirement according to the extremely two ground connection isolation of outdoor AC high-voltage three, adopt parameter such as following table:
2. structure and operational mode:
The operational mode of this isolating switch is: external manipulation mechanism drives main shaft 17 and rotates, and main shaft 17 is assembled 14 rotations by operate intercolumniation drive link two insulators 15 of 18 drives and then band movable contact rod assembling 13, fingertip, realizes that Switch main body divides, closes a floodgate; Realize the triple-pole switch divide-shut brake by the alternate drive link 10 of operator between three utmost points.External manipulation mechanism band movable contact rod end ground connection intercolumniation drive link 3 rotates, and 6 swings of tactile rod end ground connection intercolumniation drive link 3 band movable contact rod termination the thin end of the scroll realize touching rod end ground connection.External manipulation mechanism drives the alternate drive link 8 of fingertip end ground connection and rotates, and the alternate drive link 8 of fingertip end ground connection drives fingertip termination the thin end of the scroll 9 and swings realization fingertip end ground connection.
The extremely two earthing isolator key issues of this outdoor AC high-voltage three are: guarantee the isolating switch reliability of operation, realize the end of incoming cables, disconnected two ground connection occurs.Isolation knife all adopts the fine copper form, and under the excellent prerequisite that guarantees all electric properties, mechanical performance is obviously strengthened.
The extremely two earthing isolators of this outdoor AC high-voltage three adopt three-phase to power simultaneously, and the isolating switch life-span can reach 10000 minutes closing operations, the bilateral independent grounding of end of incoming cables and leading-out terminal.
Claims (1)
1. extremely two earthing isolators of an outdoor high-voltage alternating current three, it is characterized in that: this isolating switch is that the single-pole isolator of three groups of same structures is formed by connecting, every group single-pole isolator includes single-pole switch body (1), includes line cap (12) in the single-pole switch body (1), touches excellent (13), fingertip assembling (14), insulator (15), base (16), main shaft (17), the operator intercolumniation drive link (18) assembled; (13) are assembled with tactile rod respectively in the conductive shaft bottom of described line cap (12), fingertip assembling (14) bolt connects, touch rod assembling (13), fingertip assembling (14) is bolted respectively the top at two insulators (15), the bottom of two insulators (15) all is connected with base (16) bolt, the top of main shaft (17) is connected on the bearing pedestal of base (16) by rolling bearing, one end of operator intercolumniation drive link (18) is connected with the fingertip bottom seat pin axle of fingertip assembling (14), the other end is connected with the tactile excellent bottom seat pin axle that touches rod assembling (13), and forms single-pole isolator;
Connecting lever on the main shaft of every group of single-pole isolator (17) is connected to form interlock by the alternate drive link of operator (10), supporting bracket (11) is equipped with respectively at the two ends of the base of every group of single-pole isolator (16), upper being fixed with by sliding bearing of the supporting bracket (11) of every group of single-pole isolator base (16) one ends touched the rod end alternate drive link of ground connection (5), every group of single-pole isolator base (16) other end supporting bracket (11) is upper to be fixed with the alternate drive link of fingertip end ground connection (8) by sliding bearing, and forms three-pole isolator;
One end of every group of single-pole isolator is provided with fingertip end ground connection bus (2), the other end is provided with and touches rod end ground connection bus (4), described fingertip end ground connection bus (2) is connected with the alternate drive link of fingertip end ground connection (8) bolt, is connected with fingertip termination the thin end of the scroll (9) on the alternate drive link of fingertip end ground connection (8); Described tactile rod end ground connection bus (4) holds the alternate drive link of ground connection (5) bolt to be connected with touching rod, touches the rod end alternate drive link of ground connection (5) and is connected with tactile excellent termination the thin end of the scroll (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110022641 CN102034639B (en) | 2011-01-20 | 2011-01-20 | Outdoor high-voltage AC three-pole double-earthing isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110022641 CN102034639B (en) | 2011-01-20 | 2011-01-20 | Outdoor high-voltage AC three-pole double-earthing isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102034639A CN102034639A (en) | 2011-04-27 |
| CN102034639B true CN102034639B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110022641 Active CN102034639B (en) | 2011-01-20 | 2011-01-20 | Outdoor high-voltage AC three-pole double-earthing isolating switch |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856112A (en) * | 2012-09-14 | 2013-01-02 | 如皋英瑞高压电器有限公司 | 10kV outdoor isolating switch structure |
| CN102931021A (en) * | 2012-11-21 | 2013-02-13 | 正泰电气股份有限公司 | Three-phase horizontal line-arrayed isolating switch with self-compacting earthing switch |
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB465638A (en) * | 1936-02-13 | 1937-05-11 | George Ethelbert Whitehead | Improvements in electrical switchgear |
| CN2533564Y (en) * | 2002-05-13 | 2003-01-29 | 涂大石 | Isolating switch |
| CN2750458Y (en) * | 2004-12-01 | 2006-01-04 | 沈阳兴源电力设备有限公司 | Mechanical interlocking balance arrangement for outdoor high-voltage isolating switch |
| CN201112254Y (en) * | 2007-09-14 | 2008-09-10 | 山东泰开隔离开关有限公司 | Double-column II type outdoor three-phase AC high-voltage isolating switch for external pressure type sensing finger structure |
| CN201402771Y (en) * | 2009-04-08 | 2010-02-10 | 山东泰开隔离开关有限公司 | Double-post horizontal rotation type outdoor tri-phase high-voltage alternating-current disconnector |
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| CN102034639A (en) | 2011-04-27 |
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Denomination of invention: Outdoor high-voltage AC three-pole double-earthing isolating switch Effective date of registration: 20130925 Granted publication date: 20130417 Pledgee: Tianjin Dongfang Haixin SME Company limited by guarantee Pledgor: CHUANTIE ELECTRIC (TIANJIN) GROUP Co.,Ltd. Registration number: 2013990000705 |
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Date of cancellation: 20140912 Granted publication date: 20130417 Pledgee: Tianjin Dongfang Haixin SME Company limited by guarantee Pledgor: CHUANTIE ELECTRIC (TIANJIN) GROUP Co.,Ltd. Registration number: 2013990000705 |
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Denomination of invention: Outdoor high-voltage AC three-pole double-earthing isolating switch Effective date of registration: 20150204 Granted publication date: 20130417 Pledgee: Bank of Tianjin, Limited by Share Ltd, Dongli branch Pledgor: CHUANTIE ELECTRIC (TIANJIN) GROUP Co.,Ltd. Registration number: 2015990000096 |
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Address after: 300300 Tianjin Jinqiao Industrial Park, Dongli, Sichuan railway No. 3 Patentee after: CHUANTIE ELECTRIC (TIANJIN) CO.,LTD. Address before: 300300 Tianjin Jinqiao Industrial Park, Dongli, Sichuan railway No. 3 Patentee before: CHUANTIE ELECTRIC (TIANJIN) GROUP Co.,Ltd. |
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Date of cancellation: 20160516 Granted publication date: 20130417 Pledgee: Bank of Tianjin, Limited by Share Ltd, Dongli branch Pledgor: CHUANTIE ELECTRIC (TIANJIN) CO.,LTD. Registration number: 2015990000096 |
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Denomination of invention: Outdoor high voltage AC three pole double grounding disconnector Effective date of registration: 20200813 Granted publication date: 20130417 Pledgee: Chongqing Liangshan Industrial Investment Co.,Ltd. Pledgor: CHUANTIE ELECTRIC (TIANJIN) Co.,Ltd. Registration number: Y2020980004989 |
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