CN203415482U - Vacuum three-position switch with quick earthing knife - Google Patents
Vacuum three-position switch with quick earthing knife Download PDFInfo
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- CN203415482U CN203415482U CN201320535690.1U CN201320535690U CN203415482U CN 203415482 U CN203415482 U CN 203415482U CN 201320535690 U CN201320535690 U CN 201320535690U CN 203415482 U CN203415482 U CN 203415482U
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- conductive body
- electric conductor
- insulating cylinder
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Abstract
The utility model provides a vacuum three-position switch with a quick earthing knife, so as to overcome the problems of complex structure, large volume, high cost, incomplete function and poor safety of the prior art. The vacuum three-position switch is characterized in that a quick earthing knife conductive body is arranged in a center hole of an upper cover plate welded on the top end of an upper insulating cylinder; an isolation conductive body is welded between an upper insulating cylinder and a middle insulating cylinder; a wire outgoing conductive body is welded with the middle insulating cylinder and a lower insulating cylinder through the annular connecting body; a dynamic conductive body which is fixedly connected with an insulating pull rod is arranged in a hollow guide sleeve welded on the upper side of a center hole of the lower cover plate; and the quick earthing knife conductive body, the isolation conductive body, the dynamic conductive body, the wire outgoing conductive body and an earthing conductive body are colinear with the axes of the upper insulating cylinder, the middle insulating cylinder and the lower insulating cylinder. The vacuum three-position switch has the advantages that due to the fact that the dynamic conductive body vertically moves, a crank is omitted, and the concentricity of the dynamic conductive body, the isolation conductive body and the earthing conductive body is easily ensured; the processing difficulty of the guide sleeve is reduced; and the vacuum three-position switch has the advantages of simple structure, small volume, low cost, complete function and high safety.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field, particularly a kind of vacuum three position switch with rapid grounding cutter.
Background technology
Three position switch is the important component of switchgear in high pressure power transmission and distribution, plays very important effect in whole electrical power trans mission/distribution system.In prior art, three position switch generally adopts moving conductive body slant setting, moving conductive body, isolate conductive body and grounded conductive body concentricity requirement are higher, owing to being affected by gravity, be difficult to guarantee the concentricity of moving conductive body, isolate conductive body and grounded conductive body, cause Basel's spring to be drawn and scrape electric conductor bottom, electric conductor silver coating is come off, need to add fairlead, the material of fairlead, surface roughness and resistance to wear are had relatively high expectations, be unfavorable for three position switch frequent operation, complex structure, volume is large, and cost is high; Some employing moving conductive bodies are vertically placed, though overcome gravity effect, moving conductive body need to carry out divide-shut brake by crank, make in limited tank body narrower and smallly, be unfavorable for the installation of rapid grounding cutter, only have isolation/grounded part, insufficiency, fail safe is poor.Application number is " a kind of three position switch for Cubicle Gas-Insulated Switchgear " of the Patent Application Publication of CN201010151077.0, and this invention " connects by bolt between moving side conductor and insulating flange; Static contact isolation switch and guide are threaded connection, and between high speed grounding switch, earthed switch and canister, by bolt, sealing ring, connect fastening; Between isolating switch moving contact, connecting plate, connecting lever, connecting plate, moving contact of grounding switch, by pivot pin, back-up ring, connect; The ground connection of high speed grounding switch, earthed switch is connected with grounding copper bar, canister by bolt." therefore; although this invention is with high speed grounding switch; high speed grounding switch horizontal arrangement; be affected by gravity, to having relatively high expectations of fairlead, and tank body upper shed is more; the probability of gas leakage is larger; have potential safety hazard, and isolating switch moving contact also needs to carry out divide-shut brake by 2 connecting plates and connecting lever, equally has complex structure, volume is large and cost is high problem.
Summary of the invention
Problem to be solved in the utility model is, overcomes deficiency and defect that prior art exists, provides a kind of simple in structure, and volume is little, and cost is low, and function is complete, safe a kind of vacuum three position switch with rapid grounding cutter.
The technical solution adopted in the utility model comprises moving conductive body and outlet electric conductor, it is characterized in that, described moving conductive body has 1 cylindricality electric conductor, on cylindricality electric conductor, be evenly equipped with 3 inverted L-shapeds and support electric conductor, 3 inverted L-shapeds, support electric conductor lower end and be provided with annular electric conductor, described outlet electric conductor welds by its circular connector and middle insulating cylinder and lower insulating cylinder, at circular connector, be provided with 2 binding posts outward, in circular connector, be provided with W shape electric conductor, in W shape electric conductor intermediate projections, place is processed with centre bore, outlet electric conductor centre bore groove at outlet electric conductor is provided with first Basel's spring, on upper insulating cylinder top, be welded with upper cover plate, at the center of upper cover plate, be processed with upper cover plate centre bore, rapid grounding cutter electric conductor is installed in upper cover plate centre bore, at upper cover plate centre bore, be processed with upper cover plate centre bore groove, second Basel's spring is installed being positioned at upper cover plate centre bore groove, between upper insulating cylinder and middle insulating cylinder, weld isolate conductive body, bottom welding at lower insulating cylinder has lower cover, on rapid grounding cutter electric conductor, be set with and be welded with the first bellows, the first bellows is welded on upper cover plate simultaneously, at the center of lower cover, be processed with lower cover centre bore, in lower insulating cylinder, above lower cover, be welded with the grounded conductive body concentric with lower cover centre bore, in lower insulating cylinder, the upside of lower cover centre bore has been welded with the hollow fairlead of insulation and fixation, in the hole of hollow fairlead, insulated tension pole is installed, insulated tension pole stretches out lower cover by lower cover centre bore, insulated tension pole is fixedly connected with described moving conductive body, is set with and is welded with the second bellows on moving conductive body.
Described rapid grounding cutter electric conductor, isolate conductive body, moving conductive body, outlet electric conductor and grounded conductive body and upper insulating cylinder, middle insulating cylinder and lower insulating cylinder axle center conllinear.
The cylindricality electric conductor of described moving conductive body forms isolation fracture through the lower end of first Basel's spring and isolate conductive body, the lower contact jaw of described moving conductive body and grounded conductive body form ground connection fracture, and the upper end of isolate conductive body and rapid grounding cutter electric conductor form sharp knife fracture.
Between the cylindricality electric conductor at the support electric conductor Yu center of described 3 inverted L-shapeds, can be welded as a whole, also can be cast as one, between the support electric conductor of described 3 inverted L-shapeds and annular electric conductor, can be welded as a whole, also can adopt bolt to be fixedly connected with.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model is installed rapid grounding cutter electric conductor in the upper cover plate centre bore of upper insulating cylinder top welding, between upper insulating cylinder and middle insulating cylinder, weld isolate conductive body, outlet electric conductor welds by its circular connector and middle insulating cylinder and lower insulating cylinder, the moving conductive body being fixedly connected with insulated tension pole is installed in the hollow fairlead of lower cover centre bore upside welding, rapid grounding cutter electric conductor, isolate conductive body, moving conductive body, outlet electric conductor and grounded conductive body and upper insulating cylinder, middle insulating cylinder and lower insulating cylinder axle center conllinear, having realized moving conductive body moves both vertically, omitted crank and won in succession, and easily guarantee moving conductive body, the concentricity of isolate conductive body and grounded conductive body, avoided Basel's spring to scrape drawing of moving conductive body, also reduced the difficulty of processing of fairlead, and simple in structure, volume is little, cost is low, function is complete, safe, due at tank body top at right angle setting rapid grounding cutter, make three position switch with better function, fail safe is higher.
(2) the support electric conductor that in the design of moving conductive body described in the utility model and outlet conductor construction, the W shape electric conductor of outlet electric conductor can guarantee 3 inverted L-shapeds when moving conductive body is installed smoothly by and keep certain interval; Centre bore in the processing of the W of outlet electric conductor shape electric conductor intermediate projections place can guarantee that cylindricality electric conductor passes through smoothly when moving conductive body 3 is installed, in addition the moving conductive body being fixedly connected with insulated tension pole is arranged in hollow fairlead, has guaranteed moving both vertically of moving conductive body.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model,
Fig. 2 is the A-A cutaway view of Fig. 1,
Fig. 3 is the B-B cutaway view of Fig. 1,
Fig. 4 is moving conductive body stereogram of the present utility model,
Fig. 5 is outlet electric conductor front view,
Fig. 6 is stereogram of the present utility model.
In figure:
1. rapid grounding cutter electric conductor,
2. isolate conductive body,
3. moving conductive body,
3-1. cylindricality electric conductor, 3-2. supports electric conductor,
3-3. annular electric conductor,
4. outlet electric conductor,
4-1. circular connector, 4-2. binding post,
4-3.W shape electric conductor, 4-4. centre bore, 4-5. outlet electric conductor centre bore groove,
5. grounded conductive body,
6. lower cover,
6-1. lower cover centre bore,
7. insulated tension pole,
8. upper cover plate,
8-1. upper cover plate centre bore, 8-2. upper cover plate centre bore groove,
9. go up insulating cylinder,
10. insulating cylinder in,
11. times insulating cylinders,
12. hollow fairleads,
13. first Basel's springs,
14. second Basel's springs,
15. first bellowss,
16. second bellowss.
Embodiment
Below in conjunction with accompanying drawing, provide embodiment of the present utility model.
As shown in drawings, the utility model comprises insulating cylinder 9, middle insulating cylinder 10 and lower insulating cylinder 11, on upper insulating cylinder 9 tops, is welded with upper cover plate 8, is processed with upper cover plate centre bore 8-1 as the outlet of rapid grounding cutter electric conductor 1 at the center of upper cover plate 8, in this upper cover plate centre bore 8-1, rapid grounding cutter electric conductor 1 is installed, on upper cover plate centre bore 8-1, be processed with upper cover plate centre bore groove 8-2, be positioned at upper cover plate centre bore groove 8-2 place installation second Basel's spring 14, between upper insulating cylinder 9 and middle insulating cylinder 10, weld isolate conductive body 2, between middle insulating cylinder 10 and lower insulating cylinder 11, weld outlet electric conductor 4, described outlet electric conductor 4 has 1 circular connector 4-1, for and insulating cylinder 10 and lower insulating cylinder 11 between weld, at circular connector 4-1, be provided with 2 binding post 4-2 outward, in circular connector 4-1, be provided with W shape electric conductor 4-3, in W shape electric conductor 4-3 intermediate projections, place is processed with centre bore 4-4, on this centre bore, be processed with outlet electric conductor centre bore groove 4-5, bottom welding at lower insulating cylinder 11 has lower cover 6, on rapid grounding cutter electric conductor 1, be set with and be welded with the first bellows 15, the first bellows 15 contacts and is welded on upper cover plate 8 with upper cover plate 8 bottom surfaces above, at the center of lower cover 6, be processed with lower cover centre bore 6-1 as the outlet of insulated tension pole 7, on the interior lower cover 6 of lower insulating cylinder 11, be welded with the grounded conductive body 5 concentric with lower cover centre bore 6-1, at the interior lower cover centre bore 6-1 of lower insulating cylinder 11 place, be welded with the hollow fairlead 12 of insulation and fixation, installing insulating pull bar 7 in the hole of hollow fairlead 12, insulated tension pole 7 stretches out lower cover 6 by lower cover centre bore 6-1, in the hole of hollow fairlead 12, insulated tension pole 7 is fixedly connected with moving conductive body 3, described moving conductive body 3 has 1 cylindricality electric conductor 3-1 that is positioned at center, on cylindricality electric conductor 3-1, be evenly equipped with the support electric conductor 3-2 of 3 inverted L-shapeds, support electric conductor 3-2 lower end 3 inverted L-shapeds is provided with annular electric conductor 3-3, between the cylindricality electric conductor 3-1 at the support electric conductor 3-2Yu center of described 3 inverted L-shapeds, can be welded as a whole, also can be cast as one, between the support electric conductor 3-2 of described 3 inverted L-shapeds and annular electric conductor 3-3, can be welded as a whole, also can adopt bolt to be fixedly connected with, outlet electric conductor centre bore groove 4-5 place at described outlet electric conductor 4 is provided with first Basel's spring 13, is set with and is welded with the second bellows 16 on described moving conductive body 3, described rapid grounding cutter electric conductor 1, isolate conductive body 2, moving conductive body 3, outlet electric conductor 4 and grounded conductive body 5 and upper insulating cylinder 9, middle insulating cylinder 10 and lower insulating cylinder 11 axle center conllinear, comprise axis and upper insulating cylinder 9 and 10 deads in line of middle insulating cylinder of the cylindricality electric conductor 3-1 of moving conductive body 3, the cylindricality electric conductor 3-1 of described moving conductive body 3 forms isolation fracture through first Basel's spring 13 and the lower end of isolate conductive body 2, the annular electric conductor 3-3 of described moving conductive body 3 and grounded conductive body 5 form ground connection fracture, the upper end of isolate conductive body 2 and rapid grounding cutter electric conductor 1 form sharp knife fracture, during use, what gas three position switch inside does not fill the post of, keep vacuum state.
Claims (4)
1. the vacuum three position switch with rapid grounding cutter, comprise moving conductive body (3) and outlet electric conductor (4), it is characterized in that, described moving conductive body (3) has 1 cylindricality electric conductor (3-1), on cylindricality electric conductor (3-1), be evenly equipped with 3 inverted L-shapeds and support electric conductor (3-2), 3 inverted L-shapeds, support electric conductor (3-2) lower end and be provided with annular electric conductor (3-3), described outlet electric conductor (4) is by its circular connector (4-1) and middle insulating cylinder (10) and lower insulating cylinder (11) welding, outside circular connector (4-1), be provided with 2 binding posts (4-2), in circular connector (4-1), be provided with W shape electric conductor (4-3), in W shape electric conductor (4-3) intermediate projections, place is processed with centre bore (4-4), at the outlet electric conductor centre bore groove (4-5) of outlet electric conductor (4), locate to be provided with first Basel's spring (13), on upper insulating cylinder (9) top, be welded with upper cover plate (8), at the center of upper cover plate (8), be processed with upper cover plate centre bore (8-1), rapid grounding cutter electric conductor (1) is installed in upper cover plate centre bore (8-1), at upper cover plate centre bore (8-1), be processed with upper cover plate centre bore groove (8-2), locate to install second Basel's spring (14) being positioned at upper cover plate centre bore groove (8-2), between upper insulating cylinder (9) and middle insulating cylinder (10), weld isolate conductive body (2), bottom welding at lower insulating cylinder (11) has lower cover (6), on rapid grounding cutter electric conductor (1), be set with and be welded with the first bellows (15), the first bellows (15) is welded on upper cover plate (8) simultaneously, at the center of lower cover (6), be processed with lower cover centre bore (6-1), in lower insulating cylinder (11), above lower cover (6), be welded with the grounded conductive body (5) concentric with lower cover centre bore (6-1), in lower insulating cylinder (11), the upside of lower cover centre bore (6-1) has been welded with the hollow fairlead (12) of insulation and fixation, insulated tension pole (7) is installed in the hole of hollow fairlead (12), insulated tension pole (7) stretches out lower cover (6) by lower cover centre bore (6-1), insulated tension pole (7) is fixedly connected with described moving conductive body (3), on moving conductive body (3), be set with and be welded with the second bellows (16).
2. the vacuum three position switch with rapid grounding cutter according to claim 1, it is characterized in that described rapid grounding cutter electric conductor (1), isolate conductive body (2), moving conductive body (3), outlet electric conductor (4) and grounded conductive body (5) and upper insulating cylinder (9), middle insulating cylinder (10) and lower insulating cylinder (11) axle center conllinear.
3. the vacuum three position switch with rapid grounding cutter according to claim 1, it is characterized in that, the cylindricality electric conductor (3-1) of described moving conductive body (3) forms isolation fracture through first Basel's spring (13) and the lower end of isolate conductive body (2), the annular electric conductor (3-3) of described moving conductive body (3) forms ground connection fracture with grounded conductive body (5), and the upper end of isolate conductive body (2) and rapid grounding cutter electric conductor (1) form sharp knife fracture.
4. the vacuum three position switch with rapid grounding cutter according to claim 1, it is characterized in that, the support electric conductor (3-2) of described 3 inverted L-shapeds and be positioned between the cylindricality electric conductor (3-1) at center and can be welded as a whole, also can be cast as one, between the support electric conductor (3-2) of described 3 inverted L-shapeds and annular electric conductor (3-3), can be welded as a whole, also can adopt bolt to be fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535690.1U CN203415482U (en) | 2013-08-30 | 2013-08-30 | Vacuum three-position switch with quick earthing knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535690.1U CN203415482U (en) | 2013-08-30 | 2013-08-30 | Vacuum three-position switch with quick earthing knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415482U true CN203415482U (en) | 2014-01-29 |
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ID=49978353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320535690.1U Withdrawn - After Issue CN203415482U (en) | 2013-08-30 | 2013-08-30 | Vacuum three-position switch with quick earthing knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441028A (en) * | 2013-08-30 | 2013-12-11 | 沈阳华德海泰电子有限公司 | Vacuum three-position switch with rapid earth switch |
-
2013
- 2013-08-30 CN CN201320535690.1U patent/CN203415482U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441028A (en) * | 2013-08-30 | 2013-12-11 | 沈阳华德海泰电子有限公司 | Vacuum three-position switch with rapid earth switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140129 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |