CN201758094U - Vertical telescopic outdoor high-voltage isolating switch - Google Patents
Vertical telescopic outdoor high-voltage isolating switch Download PDFInfo
- Publication number
- CN201758094U CN201758094U CN2010205012958U CN201020501295U CN201758094U CN 201758094 U CN201758094 U CN 201758094U CN 2010205012958 U CN2010205012958 U CN 2010205012958U CN 201020501295 U CN201020501295 U CN 201020501295U CN 201758094 U CN201758094 U CN 201758094U
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- isolating switch
- outdoor high
- voltage isolating
- vertical telescopic
- conductive arm
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Abstract
The utility model discloses a vertical telescopic outdoor high-voltage isolating switch, which comprises a conducting base, an upper conducting arm and a lower conducting arm, wherein the conducting base is arranged above a supporting porcelain insulator and an operating porcelain insulator, and the upper conducting arm and the lower conducting arm are arranged on the conducting base. A closing push rod is arranged inside the upper conducting arm; an upper operating crank arm and a lower operating crank arm are respectively arranged at the upper end and the lower end of the operating porcelain insulator; a stepped structure is arranged at the upper end of the upper conducting arm; a corrugated telescopic sleeve is sleeved to the upper end of the stepped structure; a connecting screw rod at the top end of the closing push rod penetrates through the corrugated telescopic sleeve and is connected with a movable contact; and self-lubricating rotary mechanisms are arranged on the upper operating crank arm and the lower operating crank arm. The vertical telescopic outdoor high-voltage isolating switch effectively solves the problems of operation failure, overheated conducting loop and the like caused by inlet water and rusting of an outdoor high-voltage isolating switch in the prior art, is fine in waterproof performance, ensures flexibility of rotation positions for a long period of time without opening-closing refusing failure such as jamming and the like, and has extremely high practical value.
Description
Technical field
The utility model relates to the isolating switch in a kind of electric power system, is specifically related to a kind of vertical telescopic outdoor high-voltage isolating switch.
Background technology
The beginning of 90 years 20th century, the electric power of China is rapidly developed, a large amount of uses of outdoor high-voltage isolating switch in the electric power system, the phenomenon that the high voltage isolator fault is taken place frequently all the more highlights, and the power outage that causes because of the high voltage isolator defective constantly takes place.The defective of high voltage isolator mainly show the operation that causes because of parts water inlet, corrosion malfunctioning promptly refuse to open problem such as refuse to close, the galvanic circle is overheated, the safe operation of electrical network in its serious threat.Outdoor high-voltage isolating switch is a kind of electric equipment that is subjected to natural environment and climate condition influence maximum, it stands without obstruction among transformer station, stand the effect of various natural environment and climate conditions year in year out, wind, drench with rain, Exposure to Sunlight and ice and snow, frost and dew, damp and hot influence, add the infringement of sand dust, salt fog, filth and bird worm, service conditions is more abominable, is easy to generate the fault of machinery or electric aspect.Isolating switch is just just operated when conversion line and repair apparatus simultaneously, and combined floodgate or separating brake work long hours under a kind of state often, just are difficult to the maintenance of resigning from office after putting into operation.Open day is on November 26th, 2008, notification number is that the Chinese patent file of CN 201156494Y discloses the vertical telescopic outdoor high-voltage alternating current isolating switch of a kind of single-column, it comprises conductive arm, following conductive arm and the pedestal that is provided with lower rotary shaft, the described conductive arm upper end of going up is provided with contact, described conductive arm down upper end is provided with rotating shaft, on described, following conductive arm is the hollow pipe of rectangular cross section, and their lower end is respectively arranged with, lower connecting plate, described upper junction plate is fixedlyed connected with the last rotating shaft of described conductive arm down upper end, and the lower rotary shaft on described lower connecting plate and the described pedestal flexibly connects.Open day is on March 24th, 2010, notification number is that the Chinese patent file of CN 201430103Y discloses the vertical telescopic outdoor three-phase high-voltage AC isolation switch of a kind of single-column single armed, form by three one poles, each one pole comprises steel bracket, base, support porcelain vase, the operation porcelain vase, pedestal, the ground connection disconnecting link, the main switch cutter, the main switch cutter is by the operation porcelain vase, base and vertical kinematic link connect with electric operating mechanism, the ground connection disconnecting link connects with manual operation mechanism by ground cutter kinematic link, three one poles connect by horizontal drive link, carry out simultaneous operation, the operator moving contact is outer assembling clamp type fingertip structure, fingertip root and movable contact headstock are hinged, its middle part by the outside to step up spring and supporter I and supporter II hinged, the ground connection disconnecting link is weight counterweight one a step action type structure, and the ground connection moving contact is the self-operated type structure.Machinery or electric fault appear in the non-maintaining problem of all unresolved waterproof of above-mentioned two kinds of outdoor high-voltage isolating switchs and rotary part easily in the use.
The utility model content
The utility model is malfunctioning because of the operation that intake, advance sand dust, corrosion etc. cause for the outdoor high-voltage isolating switch that solves prior art; Cross the overheated problem in ambassador galvanic circle because of the contact resistance of moving contact generation the vertical telescopic outdoor high-voltage isolating switch that a kind of water resistance is good, structural rigidity is good, rotary part is non-maintaining, loop resistance is little and stable is provided.
The utility model is to reach the concrete technical scheme that above-mentioned technical purpose adopts to be: a kind of vertical telescopic outdoor high-voltage isolating switch, comprise and be arranged on the conductive base that supports porcelain vase and operation porcelain vase top and be arranged on last conductive arm and following conductive arm on the conductive base, described upper end of going up conductive arm is provided with moving contact, be provided with the combined floodgate push rod in the last conductive arm, the junction of following conductive arm and last conductive arm is provided with rotating mechanism, the two ends up and down of described operation porcelain vase are respectively equipped with the operation connecting lever and operate connecting lever down, the below of supporting porcelain vase is provided with the ground connection disconnecting link, described upper end of going up conductive arm is a hierarchic structure, the upper end of hierarchic structure is arranged with the ripple telescopic, the connecting screw rod on described combined floodgate push rod top passes the ripple telescopic and is connected with moving contact, and the described operation connecting lever of going up is provided with the self-lubricating rotating mechanism with following operation connecting lever.The upper end of last conductive arm is set to the multidiameter structure, the sheathed ripple telescopic in the upper end of multidiameter, like this, the current on the moving contact just can not flow into conductive arm inside, can avoid that the operation that causes because of conductive arm water inlet, corrosion is malfunctioning promptly refuses to open problems such as refusing the pass; Last operation connecting lever and following the operation on the connecting lever self-lubricating rotating mechanism is set, can guarantees the flexibility of operating mechanism in long time, avoid occurring operating malfunctioning problem.
As preferably, moving contact is a clamp-type, and the end of moving contact is provided with the rectangle fingertip, and fingertip is a U-shaped copper groove structure, and the outside of moving contact is provided with strutting piece, is provided with the compression spring in the strutting piece.Do fingertip with U type copper groove, the mechanics rigidity will be higher than the fingertip that copper sheet is made, and cooperates the compression spring, can guarantee the reliability of contact contact.
As preferably, be provided with copper sheet between moving contact and last conductive arm, last conductive arm and following conductive arm, following conductive arm and the conductive base and laminate the conductive strips of making that are flexible coupling.Laminate be flexible coupling band and the conductive arm made with copper sheet and link, ampacity is big and do not had a moving contact, contact resistance increase can time of occurrence not of a specified duration and cause the galvanic circle problems of excessive heat.
As preferably, the lower end of following conductive arm is provided with the splitting lock cushioning roller.When can avoiding the isolating switch separating brake, the buffering roller bumps between the conductive arm up and down.
As preferably, rotating mechanism comprises gear, and gear is arranged in the gear cover of totally-enclosed, the wheel and rack engagement, the lower end of tooth bar is provided with the tooth bar pull bar, and the tooth bar pull bar is connected with last operation connecting lever by adjusting rod, and described totally-enclosed gear cover has the anti-bit architecture that closed a floodgate.Gear is arranged in the gear cover of totally-enclosed, can prevents the gear transmission structure corrosion, prolong the useful life of isolating switch, the anti-bit architecture that closed a floodgate can prevent that isolating switch from rotating the position when closing a floodgate.
As preferably, vertical telescopic outdoor high-voltage isolating switch bottom is provided with alternate draw-bar seat, and alternate draw-bar seat adopts half slide structure.The design of the alternate draw-bar seat of Hough form is to guarantee that pull bar is at alternate rigidity synchronous consistent during with the three-phase disconnecting link opening and closing.
As preferably, on operate connecting lever the self-lubricating rotating mechanism comprise the stainless steel rotating shaft, wear washer, graphite copper bush and stainless steel protective cover, stainless steel protective cover are arranged on the wear washer top.The graphite copper bush has self-lubricating function, can guarantee the flexibility of pivot structure for a long time, and the stainless steel protective cover has the waterproof and dustproof effect.
As preferably, the self-lubricating rotating mechanism of following operation connecting lever comprises the stainless steel rotating shaft, wear washer, goes up graphite copper bush and graphite copper bush down, and the graphite copper bush is symmetricly set on the sleeve block up and down, and the downside of following graphite copper bush is provided with jump ring.The graphite copper bush has self-lubricating function, can guarantee the flexibility of pivot structure for a long time.
As preferably, the ground connection disconnecting link connects ground cutter operating mechanism, and ground cutter operating mechanism is provided with non-maintaining rotating mechanism, and the two ends of conductive base are provided with junction block.
The beneficial effects of the utility model are: it has solved problems such as the outdoor high-voltage isolating switch of prior art is malfunctioning because of the operation that water inlet, corrosion cause, the galvanic circle is overheated effectively, the utility model water resistance is good, rotary part can guarantee its flexibility for a long time, can not occur stuck grade yet and refuse to hold and refuse to close fault even if stand the effect of various natural environment and climate conditions year in year out, have very high practical value.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of sectional structure schematic diagram of the present utility model;
Fig. 3 is a kind of partial enlarged drawing at B place among Fig. 2;
Fig. 4 is a kind of three-dimensional assembling schematic diagram of B place structure among the utility model Fig. 2;
Fig. 5 is a kind of partial enlarged drawing at C place among Fig. 2;
Fig. 6 is a kind of three-dimensional assembling schematic diagram of C place structure among the utility model Fig. 2;
Fig. 7 is a kind of partial enlarged drawing at D place among Fig. 2;
Fig. 8 is a kind of three-dimensional assembling schematic diagram of D place structure among the utility model Fig. 2;
Fig. 9 is a kind of structural representation of alternate draw-bar seat in the utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings the embodiment of technical solutions of the utility model is further described.
In Fig. 1 embodiment 1 shown in Figure 2, a kind of vertical telescopic outdoor high-voltage isolating switch, comprise and be arranged on the conductive base 3 that supports porcelain vase 1 and operation porcelain vase 2 tops and be arranged on last conductive arm 4 and following conductive arm 5 on the conductive base, the two ends of conductive base are provided with junction block 27, are provided with copper sheet between last conductive arm and following conductive arm, following conductive arm and the conductive base and laminate the conductive strips of making 14 that are flexible coupling.Described upper end of going up conductive arm is provided with moving contact 6, and moving contact is a clamp-type, and the end of moving contact is provided with the rectangle fingertip, fingertip is a U-shaped copper groove structure, the outside of moving contact is provided with strutting piece, is provided with the compression spring in the strutting piece, and the lower end of following conductive arm is provided with splitting lock cushioning roller 15.Be provided with combined floodgate push rod 7 in the last conductive arm, the junction of following conductive arm and last conductive arm is provided with rotating mechanism, rotating mechanism comprises gear 16, gear is arranged in the gear cover of totally-enclosed, wheel and rack 17 engagements, the lower end of tooth bar is provided with tooth bar pull bar 18, and the tooth bar pull bar is connected with last operation connecting lever by adjusting rod, and described totally-enclosed gear cover has the anti-bit architecture that closed a floodgate.The two ends up and down of described operation porcelain vase are respectively equipped with operation connecting lever 8 and operate connecting lever 9 down, and the below of supporting porcelain vase is provided with ground connection disconnecting link 10, and the ground connection disconnecting link connects ground cutter operating mechanism, and ground cutter operating mechanism is provided with non-maintaining rotating mechanism.Described upper end of going up conductive arm is a hierarchic structure 11, the upper end of hierarchic structure is arranged with ripple telescopic 12(and sees Fig. 3 Fig. 4), the connecting screw rod 13 on described combined floodgate push rod top passes the ripple telescopic and is connected with moving contact, and the described operation connecting lever of going up is provided with the self-lubricating rotating mechanism with following operation connecting lever.The self-lubricating rotating mechanism of last operation connecting lever comprises stainless steel rotating shaft 20, and wear washer 21, graphite copper bush 22 and stainless steel protective cover 23, stainless steel protective cover are arranged on wear washer top (seeing Fig. 5 Fig. 6); The self-lubricating rotating mechanism of operating connecting lever down comprises the stainless steel rotating shaft, wear washer, last graphite copper bush 24 and following graphite copper bush 25, and the graphite copper bush is symmetricly set on the sleeve block 26 up and down, and the downside of following graphite copper bush is provided with jump ring (seeing Fig. 7 Fig. 8).Vertical telescopic outdoor high-voltage isolating switch bottom is provided with alternate draw-bar seat 19, and alternate draw-bar seat adopts the half slide structure (see figure 9).
Separating brake closing operation of the present utility model is identical with the vertical telescopic outdoor high-voltage isolating switch of prior art, because the conductive arm upper end of going up of the present utility model is arranged with the ripple telescopic, current on the moving contact just can not flow into conductive arm inside, thereby can avoid that the operation that causes because of conductive arm water inlet, corrosion is malfunctioning promptly refuses to open problems such as refusing the pass; Last operation connecting lever and following the operation on the connecting lever self-lubricating rotating mechanism is set, can guarantees the flexibility of operating mechanism in long time, avoid occurring operating malfunctioning problem.The utility model be provided with the many places waterproof, anti-dust, self-lubricating is non-maintaining and hermetically-sealed construction, can effectively solve ice and snow, rainwater, sand dust, salt fog, filthy infringement; Do fingertip with U type copper groove, the mechanics rigidity will be higher than the fingertip that copper sheet is made; Link be flexible coupling band and conductive arm, ampacity greatly and do not had a moving contact can be because of the generation of the galvanic circle problems of excessive heat of bringing of long duration.The totally-enclosed gear cover has the anti-bit architecture that closed a floodgate, and the alternate draw-bar seat design of Hough form is to guarantee that pull bar is at alternate rigidity synchronous consistent during with the three-phase disconnecting link opening and closing.
Claims (10)
1. vertical telescopic outdoor high-voltage isolating switch, comprise and be arranged on the conductive base (3) that supports porcelain vase (1) and operation porcelain vase (2) top and be arranged on last conductive arm (4) and following conductive arm (5) on the conductive base, described upper end of going up conductive arm is provided with moving contact (6), be provided with combined floodgate push rod (7) in the last conductive arm, the junction of following conductive arm and last conductive arm is provided with rotating mechanism, the two ends up and down of described operation porcelain vase are respectively equipped with operation connecting lever (8) and operate connecting lever (9) down, the below of supporting porcelain vase is provided with ground connection disconnecting link (10), it is characterized in that: described upper end of going up conductive arm is hierarchic structure (11), the upper end of hierarchic structure is arranged with ripple telescopic (12), the connecting screw rod (13) on described combined floodgate push rod top passes the ripple telescopic and is connected with moving contact, and the described operation connecting lever of going up is provided with the self-lubricating rotating mechanism with following operation connecting lever.
2. vertical telescopic outdoor high-voltage isolating switch according to claim 1, it is characterized in that described moving contact is a clamp-type, the end of moving contact is provided with the rectangle fingertip, and fingertip is a U-shaped copper groove structure, the outside of moving contact is provided with strutting piece, is provided with the compression spring in the strutting piece.
3. vertical telescopic outdoor high-voltage isolating switch according to claim 1 is characterized in that being provided with copper sheet between described moving contact and last conductive arm, last conductive arm and following conductive arm, following conductive arm and the conductive base laminates the conductive strips of making that are flexible coupling (14).
4. vertical telescopic outdoor high-voltage isolating switch according to claim 1 is characterized in that the described lower end of conductive arm down is provided with splitting lock cushioning roller (15).
5. vertical telescopic outdoor high-voltage isolating switch according to claim 1, it is characterized in that described rotating mechanism comprises gear (16), gear is arranged in the gear cover of totally-enclosed, wheel and rack (17) engagement, the lower end of tooth bar is provided with tooth bar pull bar (18), the tooth bar pull bar is connected with last operation connecting lever by adjusting rod, and described totally-enclosed gear cover has the anti-bit architecture that closed a floodgate.
6. according to claim 1 or 2 or 3 or 4 or 5 described vertical telescopic outdoor high-voltage isolating switchs, it is characterized in that vertical telescopic outdoor high-voltage isolating switch bottom is provided with alternate draw-bar seat (19), alternate draw-bar seat adopts half slide structure.
7. vertical telescopic outdoor high-voltage isolating switch according to claim 6, it is characterized in that the self-lubricating rotating mechanism of operating connecting lever comprises stainless steel rotating shaft (20), wear washer (21), graphite copper bush (22) and stainless steel protective cover (23), stainless steel protective cover are arranged on the wear washer top.
8. vertical telescopic outdoor high-voltage isolating switch according to claim 6, it is characterized in that the self-lubricating rotating mechanism of operation connecting lever comprises the stainless steel rotating shaft down, wear washer, last graphite copper bush (24) and following graphite copper bush (25), the graphite copper bush is symmetricly set on the sleeve block (26) up and down, and the downside of following graphite copper bush is provided with jump ring.
9. vertical telescopic outdoor high-voltage isolating switch according to claim 6 is characterized in that the ground connection disconnecting link connects ground cutter operating mechanism, and ground cutter operating mechanism is provided with non-maintaining rotating mechanism.
10. vertical telescopic outdoor high-voltage isolating switch according to claim 6 is characterized in that the two ends of conductive base are provided with junction block (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205012958U CN201758094U (en) | 2010-08-23 | 2010-08-23 | Vertical telescopic outdoor high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205012958U CN201758094U (en) | 2010-08-23 | 2010-08-23 | Vertical telescopic outdoor high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201758094U true CN201758094U (en) | 2011-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205012958U Expired - Fee Related CN201758094U (en) | 2010-08-23 | 2010-08-23 | Vertical telescopic outdoor high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201758094U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162004A (en) * | 2015-06-17 | 2015-12-16 | 中国南方电网有限责任公司超高压输电公司柳州局 | Telescopic isolation switch upper conductive arm replacement tool |
| 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 |
| CN108711529A (en) * | 2018-08-06 | 2018-10-26 | 湖南长高高压开关有限公司 | The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina types |
| CN112017900A (en) * | 2020-08-31 | 2020-12-01 | 国家电网有限公司 | Isolation switch |
-
2010
- 2010-08-23 CN CN2010205012958U patent/CN201758094U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162004A (en) * | 2015-06-17 | 2015-12-16 | 中国南方电网有限责任公司超高压输电公司柳州局 | Telescopic isolation switch upper conductive arm replacement tool |
| CN105162004B (en) * | 2015-06-17 | 2017-05-03 | 中国南方电网有限责任公司超高压输电公司柳州局 | Telescopic isolation switch upper conductive arm replacement tool |
| 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 |
| CN108711529A (en) * | 2018-08-06 | 2018-10-26 | 湖南长高高压开关有限公司 | The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina types |
| CN108711529B (en) * | 2018-08-06 | 2024-04-05 | 湖南长高高压开关有限公司 | Extra-high voltage + -1100 kv direct current folding arm telescopic horizontal type ground grounding switch |
| CN112017900A (en) * | 2020-08-31 | 2020-12-01 | 国家电网有限公司 | Isolation switch |
| CN112017900B (en) * | 2020-08-31 | 2022-08-26 | 国家电网有限公司 | Isolation 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: 20110309 Termination date: 20140823 |
|
| EXPY | Termination of patent right or utility model |