CN201638735U - Single-pole vertical-fracture telescopic outdoor high-voltage alternating-current isolating switch - Google Patents
Single-pole vertical-fracture telescopic outdoor high-voltage alternating-current isolating switch Download PDFInfo
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- CN201638735U CN201638735U CN2010201696050U CN201020169605U CN201638735U CN 201638735 U CN201638735 U CN 201638735U CN 2010201696050 U CN2010201696050 U CN 2010201696050U CN 201020169605 U CN201020169605 U CN 201020169605U CN 201638735 U CN201638735 U CN 201638735U
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- contact tube
- contact
- operating mechanism
- isolating switch
- voltage alternating
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Abstract
The utility model discloses a single-pole vertical-fracture telescopic outdoor high-voltage alternating-current isolating switch comprising three single poles which have same structures and realize synchronous operation through electric linkage, wherein each single pole comprises a foundation frame (9), a static contact (18), a lower conducting tube (13), an upper conducting tube (16), a rotating insulator (3), a support insulator (10), a base (4), a main knife electric operating mechanism (7), an earthing knife electric operating mechanism (8), an earthing switch (11), a static contact equalizing ring (19), a toggle equalizing ring (15) and a base equalizing ring (12). The single-pole vertical-fracture telescopic outdoor high-voltage alternating-current isolating switch has simple and reasonable structure, stable and reliable action, small operation force, small switching-on impact, high through-flow stability, good anti-corrosion performance, long service life, and the like.
Description
Technical field
The utility model relates to the isolating switch in a kind of electric power system, the telescopic outdoor high-voltage alternating current isolating switch of the vertical fracture of a kind of specifically single-column.
Background technology
High-voltage alternating current isolating switch is one of capital equipment in the high-tension power transmission and transformation equipment, is maximum a kind of of expense, normally 2～4 of circuit breaker times, so in electric power system, occupy an important position.Outdoor high-voltage isolating switch is owing to the reason on assembly structure and the processing technology level at present, the parts machining accuracy is low, the circulation poor stability, dynamic and static contact impacts bigger when closing a floodgate, action stability is poor, brings difficulty to the operator, simultaneously the defective of dynamic/static contact contact structures, cause the combined floodgate poor reliability, had a strong impact on the useful life of isolating switch.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides the vertical fracture of a kind of single-column telescopic outdoor high-voltage alternating current isolating switch, and stable action is reliable, and breaking-closing operating power is little, and Corrosion Protection is good, and long service life conducts electricity very well, and through-current capability is strong.
For achieving the above object, the technical scheme of employing of the present utility model is as follows:
Comprise that structure is identical, three one poles by electric-linked realization simultaneous operation, each one pole includes foundation frame, fixed contact, following contact tube, last contact tube, rotating insulated son, post insulator, base, the operator motor-operating mechanism, ground cutter motor-operating mechanism, earthed switch, the fixed contact grading ring, toggle grading ring and pedestal grading ring, foundation frame is fixed in ground, the both sides of foundation frame are set with operator motor-operating mechanism and ground cutter motor-operating mechanism respectively, the top of foundation frame is provided with base, described operator motor-operating mechanism is connected with base with ground cutter motor-operating mechanism, be respectively arranged with rotating insulated son on the base, post insulator and earthed switch, the top of post insulator is provided with down contact tube, following contact tube is connected with rotating insulated son by the rotary flange on the pedestal, following contact tube is connected with last contact tube by toggle, the top of last contact tube is provided with moving contact, fixed contact is fixed on the bus by Bus line cramp, at pedestal, be respectively arranged with the pedestal grading ring on the two ends, the left and right sides of toggle and fixed contact, toggle grading ring and fixed contact grading ring.
The side of pedestal is set with air buffer.
Be provided with the band that is flexible coupling between following contact tube and the base.
Last contact tube, following contact tube all adopt anodized.
The zone that has electric current to pass through on fingertip and contact all is coated with hard silver.
The utility model is simple and reasonable, and the main switch cutter adopts the single armed telescopic structure, and moving contact is that clamp type contacts with fixed contact during combined floodgate, and stable action is reliable, and breaking-closing operating power is little; The insulation fracture is vertical fracture, and effectively insulation distance is big between main contact and the fixed contact during separating brake, has the good insulation performance performance; Moving contact is welded on the top of contact tube, has effectively avoided chuck to mill the problem that mouth advances dirt, and the zone that has electric current to pass through on fingertip and contact all is coated with hard silver, has good Corrosion Protection, long service life; Upper and lower contact tube is the welded type contact tube, has guaranteed through-flow stability of contact tube and conductivity; Air buffer is installed on the pedestal, and the folding back of last contact tube contacts with air cushioning, can effectively reduce impulsive force; At pedestal, toggle and fixed contact part grading ring is installed all, can plays the effect that point discharge was disturbed and prevented to shield radio, for the safe operation of electrical network provides guarantee.
Description of drawings
Structural representation when Fig. 1 closes a floodgate for the utility model;
Structural representation when Fig. 2 is the utility model separating brake.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Be illustrated in figure 1 as a kind of embodiment of the present utility model, every isolating switch comprises three utmost points, wherein each one pole include foundation frame 9, fixed contact 18, main switch cutter, rotating insulated sub 3, post insulator 10, base 4, operator motor-operating mechanism 7, cutter motor-operating mechanism 8, earthed switch 11, fixed contact grading ring 19, toggle grading ring 15 and pedestal grading ring 12.Foundation frame 9 is installed on the field ground basis, operator motor-operating mechanism 7 and ground cutter motor-operating mechanism 8 are installed on foundation frame 9 both sides by anchor ear respectively, base 4 is installed in foundation frame 9 upper ends and links to each other with the vertical transmission tube of above-mentioned two electric motor operating mechanisms by connecting lever, rotating insulated sub 3, post insulator 10 and earthed switch 11 are installed on the base 4, main switch cutter moving contact 17 is installed on the post insulator 10, and be connected with rotating insulated sub 3 by the rotary flange on the pedestal 2, fixed contact 18 is fixed on the bus by Bus line cramp 20, is installed with air buffer 1 by elastic steel sheet on the pedestal 2.
Described main switch cutter adopts the single armed telescopic structure, by following contact tube 13, last contact tube 16, moving contact 17 and grading ring 15 are formed, following contact tube 13 is connected by the band that fixedly is flexible coupling with the pedestal terminal block, moving contact 17 is welded on the top of contact tube 16, effectively avoided chuck to mill the problem that mouth advances dirt, contact has long contact-making surface, the zone that has electric current to pass through on fingertip and contact all is coated with hard silver, on, following contact tube changed the welded type contact tube into by former assembled, guarantee the through-flow stability of contact tube, and gone up contact tube 16, following contact tube 13 all adopts anodized.There is terminal board to be connected on the electrical network on the pedestal 4.
As shown in Figure 1, during combined floodgate, motor operating mechanism 7 drives rotating insulated sub 3 by joint, vertical links, base shaft and rotates 180 °, rotating insulated sub 3 link to each other with the rotary flange of pedestal 2, by four push and pull system that are made of connecting lever, connecting rod, driving down, contact tube 13 rotates in vertical plane.Following contact tube 13 is gone up contact tube 16 by the engaging structure drive of the wheel and rack of toggle 14 inside and is made compound motion with the rotation of following contact tube 13, when the approaching combined floodgate of isolating switch, make toggle 14 top inclined-plane contact roller and promote roller and move upward along the inclined-plane, thereby pushing drawing rod motion, back-moving spring is compressed, makes parallel clamping fixed contact 18 contact tubes of fingertip, then fastening spring is compressed, keep fingertip to clamp the suitable force value of fixed contact 18 contact tubes, the motion of closing a floodgate finishes.As shown in Figure 2, the sub-switching operation process makes that up and down contact tube is folding in contrast, is positioned on the pedestal 4, forms apparent vertical fractures with 18 of fixed contacts.4 are equipped with air buffer 1 on the pedestal, and last contact tube 16 folding backs contact with air cushioning, can effectively reduce impulsive force.Adopt electric-linked realization simultaneous operation between three utmost points.
Claims (5)
1. telescopic outdoor high-voltage alternating current isolating switch of the vertical fracture of single-column, comprise that structure is identical, three one poles by electric-linked realization simultaneous operation, it is characterized in that, each one pole includes foundation frame (9), fixed contact (18), following contact tube (13), last contact tube (16), rotating insulated son (3), post insulator (10), base (4), operator motor-operating mechanism (7), ground cutter motor-operating mechanism (8), earthed switch (11), fixed contact grading ring (19), toggle grading ring (15) and pedestal grading ring (12), foundation frame (9) is fixed in ground, the both sides of foundation frame (9) are set with operator motor-operating mechanism (7) and ground cutter motor-operating mechanism (8) respectively, the top of foundation frame (9) is provided with base (4), described operator motor-operating mechanism (7) is connected with base (4) with ground cutter motor-operating mechanism (8), be respectively arranged with rotating insulated son (3) on the base (4), post insulator (10) and earthed switch (11), the top of post insulator (10) is provided with down contact tube (13), following contact tube (13) is connected with rotating insulated son (3) by the rotary flange on the pedestal (2), following contact tube (13) is connected with last contact tube (16) by toggle (14), the top of last contact tube (16) is provided with moving contact (17), fixed contact (18) is fixed on the bus (17) by Bus line cramp (20), in pedestal (2), be respectively arranged with pedestal grading ring (12) on the two ends, the left and right sides of toggle (14) and fixed contact (18), toggle grading ring (15) and fixed contact grading ring (19).
2. the telescopic outdoor high-voltage alternating current isolating switch of the vertical fracture of single-column according to claim 1 is characterized in that the side of pedestal (2) is set with air buffer (1).
3. the telescopic outdoor high-voltage alternating current isolating switch of the vertical fracture of single-column according to claim 1 is characterized in that, is provided with the silver-plated band that is flexible coupling between described contact tube (13) down and the pedestal (2).
4. the telescopic outdoor high-voltage alternating current isolating switch of the vertical fracture of single-column according to claim 1 is characterized in that, last contact tube (16), following contact tube (13) all adopt anodized.
5. the telescopic outdoor high-voltage alternating current isolating switch of the vertical fracture of single-column according to claim 1 is characterized in that the zone that has electric current to pass through all is coated with hard silver on fingertip and contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201696050U CN201638735U (en) | 2010-04-21 | 2010-04-21 | Single-pole vertical-fracture telescopic outdoor high-voltage alternating-current isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201696050U CN201638735U (en) | 2010-04-21 | 2010-04-21 | Single-pole vertical-fracture telescopic outdoor high-voltage alternating-current isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638735U true CN201638735U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201696050U Expired - Fee Related CN201638735U (en) | 2010-04-21 | 2010-04-21 | Single-pole vertical-fracture telescopic outdoor high-voltage alternating-current isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014190906A1 (en) * | 2013-05-29 | 2014-12-04 | 国家电网公司 | High-voltage direct-current grounding switch and stationary contact component thereof |
| CN107301929A (en) * | 2016-04-14 | 2017-10-27 | 国网辽宁省电力有限公司营口供电公司 | A kind of switch fixed contact structure |
-
2010
- 2010-04-21 CN CN2010201696050U patent/CN201638735U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014190906A1 (en) * | 2013-05-29 | 2014-12-04 | 国家电网公司 | High-voltage direct-current grounding switch and stationary contact component thereof |
| CN104252990A (en) * | 2013-05-29 | 2014-12-31 | 国家电网公司 | A HVDC grounding switch and a stationary contact component thereof |
| CN104252990B (en) * | 2013-05-29 | 2017-09-01 | 国家电网公司 | A kind of HVDC earthed switch and its static contact component |
| CN107301929A (en) * | 2016-04-14 | 2017-10-27 | 国网辽宁省电力有限公司营口供电公司 | A kind of switch fixed contact structure |
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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: 20101117 Termination date: 20110421 |