CN201608091U - Single-column vertical-telescopic-type outdoor high-voltage alternating-current isolating switch - Google Patents
Single-column vertical-telescopic-type outdoor high-voltage alternating-current isolating switch Download PDFInfo
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- CN201608091U CN201608091U CN2010201088712U CN201020108871U CN201608091U CN 201608091 U CN201608091 U CN 201608091U CN 2010201088712 U CN2010201088712 U CN 2010201088712U CN 201020108871 U CN201020108871 U CN 201020108871U CN 201608091 U CN201608091 U CN 201608091U
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Abstract
The utility model relates to an 110kV isolating switch in an electric power system, in particular to an 110kV single-column telescopic-type outdoor high-voltage alternating-current isolating switch. The isolating switch comprises a main blade fixed contact head, a main switch blade, a supporting column insulator, a rotating insulator, a base and the like, wherein both the supporting column insulator and the rotating insulator are arranged above the base; the main switch blade is arranged above the supporting column insulator and is connected with the rotating insulator through a base device; a main blade operating mechanism is connected with the rotating insulator through a flange shaft on the base; the main switch blade is of a single-arm telescopic type structure and comprises an upper conductive pipe, a lower conductive pipe and a movable contact head; the movable contact head is a clamp type movable contact head; the lower conductive pipe is connected with the upper conductive pipe through a gear box; the upper conductive pipe is internally provided with a pull rod; and the front end of the pull rod is connected with a bent plate of the movable contact head. The isolating switch has the characteristics of stable and reliable motion, small switching-on impact, high through-current stability, good anti-corrosion capability and the like.
Description
Technical field
The utility model relates to the isolating switch of the 110kV in a kind of electric power system, specifically the telescopic outdoor high-voltage alternating current isolating switch of the single-column of a kind of 110kV.
Background technology
In the last few years, along with China's rapid development of economy, infrastructure construction was advanced by leaps and bounds especially, and the operational reliability of the various high-voltage electrical equipments of electric power system is had higher requirement; And isolating switch is in the various device of electric power system, and its operational environment is worst, is exposed to fully in the atmospheric environment, is bearing the erosion of acid rain, salt fog, dust storm.Because use amount is big, functional reliability is required than higher, all bigger to the influence of design, foundation and the safe operation of electric substation, power plant.At present the 110kV outdoor high-voltage alternating current isolating switch is owing to structural reason, and the circulation poor stability impacts greatlyyer during combined floodgate, and action stability is poor, brings difficulty to the operator; Corrosion Protection is relatively poor, and particularly sleet easily enters in the main switch cutter, the corrosion internal mechanism; Because the defective of dynamic/static contact contact structures causes the poor reliability of closing a floodgate, reduction of service life.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of stable action reliable, and the impact of closing a floodgate is little, and through-flow stability is high, the telescopic outdoor high-voltage alternating current isolating switch of single-column of the 110kV that anticorrosion can be good.
The technical solution adopted in the utility model is: the vertical telescopic outdoor high-voltage alternating current isolating switch of a kind of single-column, comprise operator fixed contact, main switch cutter, post insulator, rotating insulated son, base, ground connection plug-in strip, ground connection fixed contact and operator operating mechanism, post insulator, rotating insulated son all are arranged on the base top, the main switch cutter is arranged on the post insulator top and links to each other with rotating insulated son by base unit, and the operator operating mechanism is connected with rotating insulated son by the flange shaft on the base; Ground connection plug-in strip and ground connection fixed contact are installed on the base, the operator operating mechanism is arranged on the below of base, it is characterized in that: described operator fixed contact is arranged on main switch cutter top and is that vertical direction is connected with the main switch cutter, described main switch cutter is the single armed telescopic structure, comprise contact tube, following contact tube and moving contact, moving contact is the clamp-type moving contact, comprise fingertip, touch panel, strutting piece and bent plate, touch panel is an arc angle formula touch panel, be arranged on the fingertip front end, the rear end of fingertip and last contact tube are articulated and connected, and the outside, middle part of fingertip is articulated and connected by strutting piece and bent plate, is provided with cushion block and spring between strutting piece and fingertip; Following contact tube is connected with last contact tube by gear box, be provided with pull bar in the last contact tube, the pull bar front portion is with spring, between pull bar and last contact tube, the front portion of spring is provided with outside framework oil seal, the pull bar front end is connected with the bent plate of moving contact, and the rear outside of pull bar is provided with seal closure, and the rear end of pull bar is provided with roller, stretch into pull bar inside in a roller part, be provided with stopper in the inboard of pull bar inside, roller.
The described gear box top shell of contact tube end down is two circular arcs, and two arc transition places are provided with the 6mm plane.
Base unit is provided with leading electric splitting lock cushioning device.
Fingertip of the present utility model was installed to change to by former inside and is assembled to the contact base outside now, no longer stretch into contact tube inside, make moving contact closer with contacting of fixed contact like this, closing a floodgate, it is little to impact, move more steady reliably, and be beneficial to the convenient clamping force of regulating; Increased outside framework oil seal between this external pull bar and the last contact tube, make water resistance than before old-fashioned structure have greatly improved, can prevent reliably that sleet from entering in the main switch cutter, improve mechanism useful life.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model moving contact.
Embodiment
Now in conjunction with the accompanying drawings the utility model is further described, Fig. 1 is a structural representation of the present utility model, mainly comprise operator fixed contact 8, main switch cutter, post insulator 5, rotating insulated sub 1, base 2, ground connection plug-in strip, ground connection fixed contact and operator operating mechanism, post insulator 5, rotating insulated sub 1 all is arranged on base 2 tops, the main switch cutter is arranged on post insulator 5 tops and links to each other with rotating insulated sub 1 by base unit, and the operator operating mechanism is connected with rotating insulated sub 1 by the flange shaft on the base 2.Ground connection plug-in strip and ground connection fixed contact are installed on the base 2.The operator operating mechanism is arranged on the below of base 2.Described operator fixed contact 8 is arranged on main switch cutter top and is that vertical direction is connected with the main switch cutter.Described main switch cutter is the single armed telescopic structure, comprise contact tube 7, following contact tube 6 and moving contact, moving contact is the clamp-type moving contact, comprise fingertip 11, touch panel 12, strutting piece 13 and bent plate 14, fingertip 11 is a rectangle fingertip 11, fingertip 11 front ends are provided with the touch panel 12 of open type, and touch panel 12 is an arc angle formula touch panel 12, and the zone that has electric current to flow through on fingertip 11 and touch panel 12 all is coated with hard silver layer.The rear end of fingertip 11 and last contact tube 7 are articulated and connected, and the outside, middle part of fingertip 11 is articulated and connected by strutting piece 13 and bent plate 14, is provided with cushion block and spring between strutting piece 13 and fingertip 11; Following contact tube 6 is connected with last contact tube 7 by gear box, be provided with pull bar 15 in the last contact tube 7, pull bar 15 front portions are with spring 16, between pull bar 15 and last contact tube 7, the front portion of spring 16 is provided with outside framework oil seal, pull bar 15 front ends are connected with the bent plate 14 of moving contact, and the rear outside of pull bar 15 is provided with seal closure 19, and the rear end of pull bar 15 is provided with roller 17, stretch into pull bar 15 inside in roller 17 parts, be provided with stopper 18 in the inboard of pull bar 15 inside, roller 17.The described gear box top shell of contact tube 6 ends down is two circular arcs, and two arc transition places are provided with the 6mm plane.Base unit is provided with leading electric splitting lock cushioning device 18.
Upper and lower contact tube of the present utility model 6 adopts aluminium-alloy pipe high-intensity and that have a high conductivity to make, and is provided with gas formula buffer unit between the two.Adopt welding manner between contact tube and the driving joint.With regard to main conductive circuit, isolating switch has only a breakpoint: i.e. the jaw positions of moving contact and fixed contact of isolating switch.All the other all conductive contact surfaces are fixing contact.The size of contact and the size of contact tube all will be decided on the electric and mechanical performance of equipment, and the zone that has electric current to pass through on dynamic and static all is coated with hard silver.Comprise earthed switch, the element that all electric currents flow through adopts standardized component.When short circuit current passed through, the electric power that contact is subjected under effect of electric field also was a clamping direction, thereby can guarantee optimum performance under the electrodynamic action that is caused by short circuit current; All conductive contact surfaces all are coated with electric force compounded grease, and seal with waterproof gasket cement for the seam crossing of the fixedly contact conducting surface that exposes, and prevent the conductive contact surfaces oxidation and electrochemical corrosion takes place.Flexible joint part of the present utility model adopts pure aluminum material, makes to be flexible coupling in the divide-shut brake process, remains profile attractive in appearance, and keeps good gap between being flexible coupling layer by layer, and the phenomenon that fractures of avoiding being flexible coupling takes place.The utility model has increased outside framework oil seal between pull bar 15 and last contact tube 7, make water resistance than before old-fashioned structure have greatly improved, can prevent reliably that sleet from entering in the main switch cutter, improve mechanism useful life.
Main switch cutter making process is: the operator operating mechanism drives 90 ° of rotating insulated sub 1 rotations by the flange shaft of joint, vertical links, base 2, link to each other with the flange shaft of base 2 owing to rotating insulated sub 1, the following contact tube 6 of main switch cutter is arranged on post insulator 5 tops and links to each other with rotating insulated sub 1 by base unit, change the direction of power by four push and pull system that constitute by connecting lever, connecting rod, in vertical plane, rotate so base unit drives time contact tube 6.The top of contact tube 6 is provided with gear box under the utility model, last contact tube 7 links to each other with the bending cast aluminium connecting lever of gear box, the gear positive engagement of the rack and pinion case in the following contact tube 6, gear rotates under the drive of tooth bar, drive connecting lever simultaneously and rotate, do compound motion with the rotation of following contact tube 6 thereby drive last contact tube 7.When the approaching combined floodgate of isolating switch, make gear box top inclined-plane contact roller and promote roller and move upward along the inclined-plane, thereby pushing drawing rod 15 motions, make strutting piece 13 by cushion block and spring compression fingertip 11, see Fig. 2, fingertip 11 drives touch panel 12 parallel clamping operator fixed contacts 8 and keeps suitable force value simultaneously, and the motion of closing a floodgate finishes.The sub-switching operation process in contrast, up and down contact tube 6 is folding then, is positioned on the pedestal, and forms apparent vertical fracture between fixed contact.
It is reliable to the utlity model has stable action, and the impact of closing a floodgate is little, and through-flow stability is high, and anticorrosion can wait well characteristics.
Claims (3)
1. vertical telescopic outdoor high-voltage alternating current isolating switch of single-column, comprise operator fixed contact, main switch cutter, post insulator, rotating insulated son, base, ground connection plug-in strip, ground connection fixed contact and operator operating mechanism, post insulator, rotating insulated son all are arranged on the base top, the main switch cutter is arranged on the post insulator top and links to each other with rotating insulated son by base unit, and the operator operating mechanism is connected with rotating insulated son by the flange shaft on the base; Ground connection plug-in strip and ground connection fixed contact are installed on the base, the operator operating mechanism is arranged on the below of base, it is characterized in that: described operator fixed contact is arranged on main switch cutter top and is that vertical direction is connected with the main switch cutter, the main switch cutter is the single armed telescopic structure, comprise contact tube, following contact tube and moving contact, moving contact is the clamp-type moving contact, comprise fingertip, touch panel, strutting piece and bent plate, touch panel is an arc angle formula touch panel, be arranged on the fingertip front end, the rear end of fingertip and last contact tube are articulated and connected, and the outside, middle part of fingertip is articulated and connected by strutting piece and bent plate, is provided with cushion block and spring between strutting piece and fingertip; Following contact tube is connected with last contact tube by gear box, be provided with pull bar in the last contact tube, the pull bar front portion is with spring, between pull bar and last contact tube, the front portion of spring is provided with outside framework oil seal, the front end of pull bar is connected with the bent plate of moving contact, and the rear outside of pull bar is provided with seal closure, and the rear end of pull bar is provided with roller, stretch into pull bar inside in a roller part, be provided with stopper in the inboard of pull bar inside, roller.
2. the vertical telescopic outdoor high-voltage alternating current isolating switch of single-column according to claim 1 is characterized in that: the described gear box top shell of contact tube end down is two circular arcs, and two arc transition places are provided with the 6mm plane.
3. the vertical telescopic outdoor high-voltage alternating current isolating switch of single-column according to claim 1 is characterized in that: base unit is provided with leading electric splitting lock cushioning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201088712U CN201608091U (en) | 2010-01-31 | 2010-01-31 | Single-column vertical-telescopic-type outdoor high-voltage alternating-current isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201088712U CN201608091U (en) | 2010-01-31 | 2010-01-31 | Single-column vertical-telescopic-type outdoor high-voltage alternating-current isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608091U true CN201608091U (en) | 2010-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201088712U Expired - Fee Related CN201608091U (en) | 2010-01-31 | 2010-01-31 | Single-column vertical-telescopic-type outdoor high-voltage alternating-current isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608091U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328424A (en) * | 2016-10-26 | 2017-01-11 | 湖南长高高压开关集团股份公司 | Upper conductive arm of folding arm expansion clamp-type disconnector |
| CN106679866A (en) * | 2016-11-25 | 2017-05-17 | 云南电网有限责任公司电力科学研究院 | Power disconnector contact finger clamping force detection method and system |
| CN109786168A (en) * | 2017-11-14 | 2019-05-21 | 株式会社东光高岳 | Disconnecting switch |
| CN111971772A (en) * | 2018-04-11 | 2020-11-20 | Abb电网瑞士股份公司 | Flexible conductor for isolating switch and isolating switch |
| CN114188829A (en) * | 2022-02-17 | 2022-03-15 | 晟望电气有限公司 | Combined medium voltage distribution system |
| CN115565807A (en) * | 2022-10-25 | 2023-01-03 | 山东泰开隔离开关有限公司 | Double-station ice melting isolating switch with self-ice melting function |
-
2010
- 2010-01-31 CN CN2010201088712U patent/CN201608091U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328424A (en) * | 2016-10-26 | 2017-01-11 | 湖南长高高压开关集团股份公司 | Upper conductive arm of folding arm expansion clamp-type disconnector |
| CN106328424B (en) * | 2016-10-26 | 2019-04-09 | 湖南长高高压开关集团股份公司 | A kind of upper conductive arm of the flexible clamp type disconnecting switch of folding arm |
| CN106679866A (en) * | 2016-11-25 | 2017-05-17 | 云南电网有限责任公司电力科学研究院 | Power disconnector contact finger clamping force detection method and system |
| CN109786168A (en) * | 2017-11-14 | 2019-05-21 | 株式会社东光高岳 | Disconnecting switch |
| CN109786168B (en) * | 2017-11-14 | 2023-02-17 | 株式会社东光高岳 | Isolating switch |
| CN111971772A (en) * | 2018-04-11 | 2020-11-20 | Abb电网瑞士股份公司 | Flexible conductor for isolating switch and isolating switch |
| CN111971772B (en) * | 2018-04-11 | 2023-04-11 | 日立能源瑞士股份公司 | Flexible conductor for isolating switch and isolating switch |
| CN114188829A (en) * | 2022-02-17 | 2022-03-15 | 晟望电气有限公司 | Combined medium voltage distribution system |
| CN114188829B (en) * | 2022-02-17 | 2022-04-26 | 晟望电气有限公司 | Combined medium voltage distribution system |
| CN115565807A (en) * | 2022-10-25 | 2023-01-03 | 山东泰开隔离开关有限公司 | Double-station ice melting isolating switch with self-ice melting function |
| CN115565807B (en) * | 2022-10-25 | 2023-10-27 | 山东泰开隔离开关有限公司 | Duplex position ice-melt isolator that possesses from ice-melt function |
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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: 20101013 Termination date: 20110131 |