CN205406377U - Major loop is established ties with induced -current's that opens and shuts superhigh pressure earthing switch with explosion chamber - Google Patents
Major loop is established ties with induced -current's that opens and shuts superhigh pressure earthing switch with explosion chamber Download PDFInfo
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- CN205406377U CN205406377U CN201620174464.9U CN201620174464U CN205406377U CN 205406377 U CN205406377 U CN 205406377U CN 201620174464 U CN201620174464 U CN 201620174464U CN 205406377 U CN205406377 U CN 205406377U
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Abstract
The utility model discloses a major loop is established ties with induced -current's that opens and shuts superhigh pressure earthing switch with explosion chamber, including earthing switch body, explosion chamber and explosion chamber operating mechanism, the earthing switch body is including installing base, ground connection base, vase, main earthing knife -switch, little earthing knife -switch, main earthing knife -switch operating mechanism and little earthing knife -switch operating mechanism, and main static contact is installed on the top of vase, the ground connection base pass through the insulated column install in the top of installation base, main earthing knife -switch's bottom is installed and is linked to each other on the ground connection base and with main earthing knife -switch operating mechanism, and the initiative contact is installed on the top, little earthing knife -switch's bottom is installed and is linked to each other on the installation base and with little earthing knife -switch operating mechanism, and little moving contact is installed on the top, installs little static contact on the ground connection base, the one end of explosion chamber links to each other with the explosion chamber operating mechanism, and the other end links to each other with the ground connection base. The utility model has the advantages of simple structure, reliability height and the high parameter induced -current that opens and shuts.
Description
Technical field
This utility model relates generally to electrical equipment technical field, refers in particular to the extra-high-voltage earthing switch that a kind of major loop is connected with opening and closing induction current with arc-chutes.
Background technology
Along with the development of power construction, electrical network constantly expands and improves constantly with capacity, takes up an area to reduce transmission of electricity corridor, adopts parallel connection aerial high-voltage power transmission line in common-tower double-return road day by day to increase, and the earthed switch of opening and closing induction current adopts more and more extensive.Recently as a large amount of construction super, extra-high voltage electric transmission and transformation engineering, distance, large capacity transmission circuit increase, the faradic current parameter that circuit produces also raises accordingly, and safe and reliable to operation in order to ensure system, the faradic demand of earthed switch folding high parameter is very urgent.Can't providing at present the earthed switch of the most high parameter faradic current ability of the folding meeting system requirements both at home and abroad, the blank of this product causes some designs super, extra-high voltage power transformation engineering can not adopt prioritization scheme.
Utility model content
The technical problems to be solved in the utility model is that for the technical problem that prior art exists, and this utility model provides the extra-high-voltage earthing switch that a kind of simple in construction, reliability height, the energy faradic major loop of folding high parameter are connected with opening and closing induction current with arc-chutes.
For solving above-mentioned technical problem, the technical scheme that the utility model proposes is:
The extra-high-voltage earthing switch that a kind of major loop is connected with arc-chutes with opening and closing induction current, including earthed switch body, arc-chutes and arc-chutes operating mechanism, described earthed switch body includes mounting seat, ground connection base, porcelain vase, main grounding switch, little grounding switch, main grounding switch operating mechanism and little grounding switch operating mechanism, the bottom of described porcelain vase is installed on a basic stand column, and top is provided with main static contact；Described mounting seat, main grounding switch operating mechanism and little grounding switch operating mechanism are mounted on another basic stand column, described ground connection base is installed on the top of described mounting seat by insulated column, the bottom of described main grounding switch is arranged on ground connection base and is connected with main grounding switch operating mechanism, and top is provided with actively contact；The bottom of described little grounding switch is arranged in mounting seat and is connected with little grounding switch operating mechanism, and top is provided with little moving contact, and described ground connection base is provided with the little static contact matched with little moving contact；Described arc-chutes and arc-chutes operating mechanism are installed on the column of same isolated footing, and one end of described arc-chutes is connected with arc-chutes operating mechanism, and the other end is connected with ground connection base.
Further improvement as technique scheme:
Described little grounding switch is connected with described little grounding switch operating mechanism by the first drive mechanism being installed in mounting seat, described first drive mechanism includes little operation axle, actively connecting lever, operation pull bar, driven connecting lever and the first rotating shaft, described little operation axle is vertically arranged in described mounting seat and bottom is connected with little grounding switch operating mechanism, one end of described active connecting lever is fixing with described little operation axle to be connected, the other end of described active connecting lever is flexibly connected with one end of operation pull bar, one end of described driven connecting lever is flexibly connected with the other end of operation pull bar, the other end of described driven connecting lever is fixing with horizontally disposed first rotating shaft to be connected, described little grounding switch is fixed on one end of described first rotating shaft.
Described main grounding switch is connected with main grounding switch operating mechanism by the second drive mechanism being arranged on ground connection base, described second drive mechanism includes rotation seat, adjusting yoke, main connecting lever, second rotating shaft and driving shaft, the stage casing of described rotation seat is hinged on ground connection base, one end of described rotation seat and main grounding switch are fixedly linked, the other end is hinged with one end of adjusting yoke, the other end of described adjusting yoke is hinged with one end of main connecting lever, the other end of described main connecting lever and the second axis of rotation connect, described second rotating shaft is connected with the driving shaft being vertically arranged by gear assembly, described driving shaft is connected with main grounding switch operating mechanism.
The other end of described arc-chutes is connected with ground connection base by copper bar.
The top of described porcelain vase is provided with main grading ring and is positioned at the side grading ring of described main static contact side.
Described arc-chutes include the insulated sleeve of closed at both ends, one end, inside of described insulated sleeve is fixed with cylinder, the outside of described cylinder is slidably equipped with outer sleeve, the inside of described cylinder is slidably equipped with action bars, described action bars stretches out one end of cylinder and is fixed with spout seat, threadeding with outer sleeve in the periphery of described spout seat, the inside thread of described spout seat is connected to dynamic fingertip, and one end relative with dynamic fingertip, the inside of described insulated sleeve is provided with static contact finger；Form air chamber and the interior full SF6 gas of described insulated sleeve of closing between described outer sleeve, cylinder and spout seat, described spout seat is communicated with air chamber and the opening hole towards dynamic fingertip Yu static contact finger contact site.
Described arc-chutes also include pedestal, 3rd rotating shaft, from connecting lever, insulated tension pole, bearing, big bearing, radome and big spout, described pedestal is closed with one end of insulated sleeve and is connected, described it is positioned at described pedestal from connecting lever and insulated tension pole, described 3rd rotating shaft is installed on pedestal by bearing, one end of described 3rd rotating shaft is stretched out pedestal and fixing with arc-chutes operating mechanism is connected, described 3rd rotating shaft is positioned at that the part of pedestal is then fixing with the one end from connecting lever to be connected, described one end from the other end of connecting lever Yu insulated tension pole is hinged, the other end of described insulated tension pole then stretches out one end of insulated sleeve and is connected with action bars；One end of described big bearing is placed in insulated sleeve, and the other end is then closed with one end of insulated sleeve and is connected, and described bearing is fixed on big bearing, and described static contact finger and radome are mounted on bearing, and described big spout is installed on one end of spout seat.
Compared with prior art, the utility model has the advantage of:
The extra-high-voltage earthing switch that major loop of the present utility model is connected with arc-chutes with opening and closing induction current, by main grounding switch, cooperating between little grounding switch and arc-chutes, can effectively folding high parameter em induced current and static induced current, it is possible to meet demand super, extra-high voltage power transformation engineering；Main grounding switch, little grounding switch and arc-chutes are operated each through independent operating mechanism, and reliability is higher；Overall structure is simple, installation and debugging are easy to maintenance.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is side-looking structural representation of the present utility model.
Fig. 3 is the main TV structure schematic diagram of the medium and small grounding switch of this utility model.
Fig. 4 is the side-looking structural representation of the medium and small grounding switch of this utility model.
Fig. 5 be the medium and small grounding switch of this utility model look up structural representation.
Fig. 6 is the partial enlarged drawing of Fig. 3.
Fig. 7 is the main TV structure schematic diagram of ground connection base in this utility model.
Fig. 8 is the side-looking structural representation of ground connection base in this utility model.
Fig. 9 is the sectional view of arc-chutes in this utility model.
Figure 10 is the A-A view of Fig. 9.
Number in the figure represents: 1, basic stand column；2, mounting seat；21, main operation porcelain vase；22, support insulator；3, ground connection base；4, main grounding switch；41, main grounding switch operating mechanism；42, active contact；43, main static contact；44, the second drive mechanism；441, main operation axle；442, driving shaft；443, gear assembly；444, the second rotating shaft；445, main connecting lever；446, adjusting yoke；447, rotation seat；448, adjustable connecting-rod；5, little grounding switch；51, little grounding switch operating mechanism；52, the first drive mechanism；521, little operation axle；522, active connecting lever；523, operation pull bar；524, driven connecting lever；525, the first rotating shaft；53, little moving contact；54, little static contact；6, porcelain vase；61, main grading ring；62, side grading ring；7, arc-chutes；701, pedestal；702, slave arm；703, the 3rd rotating shaft；704, from connecting lever；705, bearing；706, insulated sleeve；707, insulated tension pole；708, action bars；709, cylinder；710, spout seat；711, outer sleeve；712, dynamic fingertip；713, valve block；714, big spout；715, big bearing；716, bearing；717, static contact finger；718, radome；719, arc-chutes operating mechanism；8, copper bar.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, this utility model is further described.
As shown in Figures 1 to 10, the extra-high-voltage earthing switch that the major loop of the present embodiment is connected with arc-chutes with opening and closing induction current, including earthed switch body, arc-chutes 7 and arc-chutes operating mechanism 719, earthed switch body includes mounting seat 2, ground connection base 3, porcelain vase 6, main grounding switch 4, little grounding switch 5, main grounding switch operating mechanism 41 and little grounding switch operating mechanism 51, the bottom of porcelain vase 6 is installed on a basic stand column 1, and top is provided with main static contact 43；Mounting seat 2, main grounding switch operating mechanism 41 and little grounding switch operating mechanism 51 are mounted on another basic stand column 1, ground connection base 3 is installed on the top of mounting seat 2 by two insulated columns (respectively main operation porcelain vase 21 and support insulator 22), the bottom of main grounding switch 4 is arranged on ground connection base 3 and is connected with main grounding switch operating mechanism 41, and top is provided with actively contact 42；The bottom of little grounding switch 5 is arranged in mounting seat 2 and is connected with little grounding switch operating mechanism 51, and top is provided with little moving contact 53, and ground connection base 3 is provided with the little static contact 54 matched with little moving contact 53；Arc-chutes 7 and arc-chutes operating mechanism 719 are installed on same isolated footing column 1, and one end of arc-chutes 7 is connected with arc-chutes operating mechanism 719, and the other end is connected with ground connection base 3 conduction.The extra-high-voltage earthing switch of the present embodiment is when closing a floodgate, and main grounding switch 4, little grounding switch 5 and arc-chutes 7 are in off-state, and first main grounding switch 4 closes a floodgate, and after time delay, arc-chutes 7 close a floodgate, then after time delay, little grounding switch 5 closes a floodgate, and completes feed motion.The course of action respectively switched when carrying out separating brake is contrary with making process, namely after first little grounding switch 5 separating brake, and arc-chutes 7 separating brake after time delay, more main grounding switch 4 separating brake after time delay, complete sub-switching operation.In divide-shut brake process, main grounding switch 4 is connected with arc-chutes 7, little grounding switch 5 is in parallel with arc-chutes 7, by cooperate (turn-on sequence) between main grounding switch 4, little grounding switch 5 and arc-chutes 7, can effectively folding high parameter em induced current and static induced current (electromagnetic induction electric current is 360A/30KV, electrostatic induction electric current 50A/180KV), it is possible to meet demand super, extra-high voltage power transformation engineering (such as 1110KV)；Main grounding switch 4, little grounding switch 5 and arc-chutes 7 are operated each through independent operating mechanism, and reliability is higher；Overall structure is simple, installation and debugging are easy to maintenance.
nullAs shown in Figures 3 to 5，In the present embodiment，Little grounding switch 5 is connected with little grounding switch operating mechanism 51 by the first drive mechanism 52 being installed in mounting seat 2，First drive mechanism 52 includes little operation axle 521、Actively connecting lever 522、Operation pull bar 523、Driven connecting lever 524 and the first rotating shaft 525，Little operation axle 521 is vertically arranged in mounting seat 2 and bottom is connected with little grounding switch operating mechanism 51 by steel pipe，Actively one end of connecting lever 522 is fixing with little operation axle 521 is connected，Actively the other end of connecting lever 522 is flexibly connected with one end of operation pull bar 523，One end of driven connecting lever 524 is flexibly connected (pivot joint) with the other end of operation pull bar 523，The other end of driven connecting lever 524 is fixing with horizontally disposed first rotating shaft 525 is connected (fixedly sleeved)，Little grounding switch 5 is then fixed on one end of the first rotating shaft 525.When carrying out divide-shut brake, little grounding switch operating mechanism 51 drives little operation axle 521 to rotate, move back and forth thereby through active connecting lever 522 pull operation pull bar 523, the other end of operation pull bar 523 then orders about the first rotating shaft 525 by driven connecting lever 524 and rotates, the little grounding switch 5 being fixedly installed in the first rotating shaft 525 is made to rotate so that the little dynamic static joint on little grounding switch 5 contacts with the little static contact 54 on ground connection base 3 or separates, thus realizing the divide-shut brake of little grounding switch 5, its simple in construction, easily operated.
nullSuch as Fig. 1、Shown in Fig. 7 and Fig. 8，In the present embodiment，Main grounding switch 4 is connected with main grounding switch operating mechanism 41 by the second drive mechanism 44 being arranged on ground connection base 3，Second drive mechanism 44 includes rotation seat 447、Adjusting yoke 446、Main connecting lever 445、Second rotating shaft 444 and driving shaft 442，The stage casing of rotation seat 447 is hinged on ground connection base 3，The upper end of rotation seat 447 and main grounding switch 4 are fixedly linked，Lower end is then hinged with one end of adjusting yoke 446，The other end of adjusting yoke 446 is then hinged with one end of main connecting lever 445，The other end and second rotating shaft 444 of main connecting lever 445 are rotationally connected，Second rotating shaft 444 is connected with the driving shaft 442 being vertically arranged by gear assembly 443，Driving shaft 442 is connected with the main operation axle 441 in mounting seat 2 by insulated column，Main operation axle 441 is then connected with main grounding switch operating mechanism 41 by steel pipe，Additionally ground connection base 3 is also hinged with adjustable connection，Adjustable connecting-rod 448 is arranged on the inside of main grounding switch 4 and is connected with active contact 42.When main grounding switch 4 divide-shut brake, main grounding switch operating mechanism 41 rotates, main operation axle 441, driving shaft 442 is driven to rotate, the second rotating shaft 444 is driven to rotate then through gear assembly 443, then pass through main connecting lever 445 to add and pull adjusting yoke 446, rotation seat 447 is made to rotate around the pin joint with ground connection base 3, main grounding switch 4 then rotates accordingly, again through cooperating between adjustable connecting-rod 448, realize the contact between active contact 42 and main static contact 43 or separation, thus completing the divide-shut brake of main grounding switch 4.
In the present embodiment, the other end of arc-chutes 7 is connected with ground connection base 3 by copper bar 8；The top of porcelain vase 6 is provided with main grading ring 61 and is positioned at the side grading ring 62 of main static contact 43 side, meets the demand of big electric current and high parameter in spy, supertension power transformation engineering.
As shown in Figure 9 and Figure 10, in the present embodiment, arc-chutes 7 include the insulated sleeve 706 of closed at both ends, one end, inside of insulated sleeve 706 is fixed with cylinder 709, the outside of cylinder 709 is slidably equipped with outer sleeve 711, the inside of cylinder 709 is slidably equipped with action bars 708, action bars 708 stretches out one end of cylinder 709 and is fixed with spout seat 710, threaded with outer sleeve 711 in the periphery of spout seat 710, action bars 708 is arranged with valve block 713, valve block 713 is bolted on the end of cylinder 709, the inside thread of spout seat 710 is connected to dynamic fingertip 712, one end relative with dynamic fingertip 712, the inside of insulated sleeve 706 is provided with static contact finger 717；Form air chamber and the interior full SF6 gas of insulated sleeve 706 of closing between outer sleeve 711, cylinder 709 and spout seat 710, spout seat 710 is communicated with air chamber and the opening hole towards moving contact Yu static contact contact site.nullAdditionally arc-chutes 7 also include pedestal 701、3rd rotating shaft 703、From connecting lever 704、Insulated tension pole 707、Bearing 716、Big bearing 715、Radome 718 and big spout 714，Pedestal 701 is closed with one end of insulated sleeve 706 and is connected，It is positioned at pedestal 701 from connecting lever 704 and insulated tension pole 707，3rd rotating shaft 703 is installed on pedestal 701 by bearing 705，One end of 3rd rotating shaft 703 is stretched out pedestal 701 and is connected by slave arm 702 is fixing with arc-chutes operating mechanism 719，3rd rotating shaft 703 is positioned at that the part of pedestal 701 is then fixing with the one end from connecting lever 704 to be connected，Hinged from one end of the other end of connecting lever 704 Yu insulated tension pole 707，One end that the other end of insulated tension pole 707 then stretches out insulated sleeve 706 with action bars 708 is connected；One end of big bearing 715 is placed in insulated sleeve 706, the other end is then closed with one end of insulated sleeve 706 and is connected, bearing 716 is fixed on big bearing 715, and static contact finger 717 and radome 718 are mounted on bearing 716, and big spout 714 is installed on one end of spout seat 710.Critical component in these arc-chutes 7 is all located in insulated sleeve 706, its good seal performance, without reveal, without repair and maintenance.When arc-chutes 7 divide-shut brake, arc-chutes operating mechanism 719 drives the 3rd rotating shaft 703 to rotate, and by driving insulated tension pole 707 to be stretched back and forth by action bars 708 from connecting lever 704, makes to contact between fingertip 712 with static contact finger 717 or separate to realize divide-shut brake.When separating brake, action bars 708 drives dynamic fingertip 712 and spout seat 710 quickly to pull out, the space making closed air chamber reduces, pressure increases, the SF6 gas then spout along spout seat 710 in air chamber sprays to dynamic fingertip 712 and the contact site of static contact finger 717, reaches the effect of arc extinguishing.
When earthed switch closes a floodgate: main grounding switch 4, SF6 arc-chutes 7 are in off-state with little grounding switch 5.Press switch knob in master control box, master control box issues instructions to main grounding switch operating mechanism 41 and operates main grounding switch 4 and upwards put from horizontal level, until completing feed motion, now main grounding switch operating mechanism 41 return signal is to master control box, master control box time delay issues instructions to arc-chutes operating mechanism 719 and operates SF6 arc-chutes 7 and close a floodgate, combined floodgate complete after arc-chutes operating mechanism 719 return signal to master control box, master control box time delay issues instructions to the little grounding switch 5 of little grounding switch operating mechanism 51 actuating and closes a floodgate, and so far earthed switch completes making process.
During grounding switch tripping: main grounding switch 4, SF6 arc-chutes 7 are in "on" position with little grounding switch 5.Press opening button in master control box, master control box issues instructions to little grounding switch operating mechanism 51 and operates little grounding switch 5 separating brake, separating brake after completing little grounding switch operating mechanism 51 return signal to master control box, master control box time delay issues instructions to arc-chutes operating mechanism 719 and operates SF6 arc-chutes 7 separating brake, separating brake complete after arc-chutes operating mechanism 719 return signal to master control box, master control box time delay issues instructions to main grounding switch operating mechanism 41 and operates main grounding switch 4 bottom and move to horizontal level, completing separating brake, so far earthed switch completes separating brake process.
Below being only preferred implementation of the present utility model, protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, should be regarded as protection domain of the present utility model.
Claims (7)
1. the extra-high-voltage earthing switch that a major loop is connected with arc-chutes with opening and closing induction current, including earthed switch body, arc-chutes (7) and arc-chutes operating mechanism (719), it is characterized in that, described earthed switch body includes mounting seat (2), ground connection base (3), porcelain vase (6), main grounding switch (4), little grounding switch (5), main grounding switch operating mechanism (41) and little grounding switch operating mechanism (51), the bottom of described porcelain vase (6) is installed on a basic stand column (1), and top is provided with main static contact (43)；Described mounting seat (2), main grounding switch operating mechanism (41) and little grounding switch operating mechanism (51) are mounted on another basic stand column (1), described ground connection base (3) is installed on the top of described mounting seat (2) by insulated column, the bottom of described main grounding switch (4) is arranged on ground connection base (3) and above and is connected with main grounding switch operating mechanism (41), and top is provided with actively contact (42)；The bottom of described little grounding switch (5) is arranged on mounting seat (2) and above and is connected with little grounding switch operating mechanism (51), top is provided with little moving contact (53), and described ground connection base (3) is provided with the little static contact (54) matched with little moving contact (53)；Described arc-chutes (7) and arc-chutes operating mechanism (719) are installed on same isolated footing column (1), and one end of described arc-chutes (7) is connected with arc-chutes operating mechanism (719), and the other end is connected with ground connection base (3).
null2. the extra-high-voltage earthing switch that major loop according to claim 1 is connected with arc-chutes with opening and closing induction current，It is characterized in that，Described little grounding switch (5) is connected with described little grounding switch operating mechanism (51) by the first drive mechanism (52) being installed in mounting seat (2)，Described first drive mechanism (52) includes little operation axle (521)、Actively connecting lever (522)、Operation pull bar (523)、Driven connecting lever (524) and the first rotating shaft (525)，Described little operation axle (521) is vertically arranged in described mounting seat (2) and bottom is connected with little grounding switch operating mechanism (51)，One end of described active connecting lever (522) is fixing with described little operation axle (521) to be connected，The other end of described active connecting lever (522) is flexibly connected with one end of operation pull bar (523)，One end of described driven connecting lever (524) is flexibly connected with the other end of operation pull bar (523)，The other end of described driven connecting lever (524) is fixing with horizontally disposed first rotating shaft (525) to be connected，Described little grounding switch (5) is fixed on one end of described first rotating shaft (525).
null3. the extra-high-voltage earthing switch that major loop according to claim 1 is connected with arc-chutes with opening and closing induction current，It is characterized in that，Described main grounding switch (4) is connected with main grounding switch operating mechanism (41) by the second drive mechanism (44) being arranged on ground connection base (3)，Described second drive mechanism (44) includes rotation seat (447)、Adjusting yoke (446)、Main connecting lever (445)、Second rotating shaft (444) and driving shaft (442)，The stage casing of described rotation seat (447) is hinged on ground connection base (3)，One end of described rotation seat (447) and main grounding switch (4) are fixedly linked，The other end is hinged with one end of adjusting yoke (446)，The other end of described adjusting yoke (446) is hinged with one end of main connecting lever (445)，The other end and second rotating shaft (444) of described main connecting lever (445) are rotationally connected，Described second rotating shaft (444) is connected with the driving shaft (442) being vertically arranged by gear assembly (443)，Described driving shaft (442) is connected with main grounding switch operating mechanism (41).
4. the extra-high-voltage earthing switch that the major loop according to claim 1 or 2 or 3 is connected with arc-chutes with opening and closing induction current, it is characterised in that the other end of described arc-chutes (7) is connected with ground connection base (3) by copper bar (8).
5. the extra-high-voltage earthing switch that the major loop according to claim 1 or 2 or 3 is connected with arc-chutes with opening and closing induction current, it is characterized in that, the top of described porcelain vase (6) is provided with main grading ring (61) and is positioned at the side grading ring (62) of described main static contact (43) side.
null6. the extra-high-voltage earthing switch that the major loop according to claim 1 or 2 or 3 is connected with arc-chutes with opening and closing induction current，It is characterized in that，Described arc-chutes (7) include the insulated sleeve (706) of closed at both ends，One end, inside of described insulated sleeve (706) is fixed with cylinder (709)，The outside of described cylinder (709) is slidably equipped with outer sleeve (711)，The inside of described cylinder (709) is slidably equipped with action bars (708)，Described action bars (708) stretches out one end of cylinder (709) and is fixed with spout seat (710)，Threaded with outer sleeve (711) in the periphery of described spout seat (710)，The inside thread of described spout seat (710) is connected to dynamic fingertip (712)，One end relative with dynamic fingertip (712), the inside of described insulated sleeve (706) is provided with static contact finger (717)；Air chamber and the interior full SF of described insulated sleeve (706) of closing is formed between described outer sleeve (711), cylinder (709) and spout seat (710)6Gas, described spout seat (710) is communicated with air chamber and the opening hole (720) towards dynamic fingertip (712) Yu static contact finger (717) contact site.
null7. the extra-high-voltage earthing switch that major loop according to claim 6 is connected with arc-chutes with opening and closing induction current，It is characterized in that，Described arc-chutes (7) also include pedestal (701)、3rd rotating shaft (703)、From connecting lever (704)、Insulated tension pole (707)、Bearing (716)、Big bearing (715)、Radome (718) and big spout (714)，Described pedestal (701) is closed with one end of insulated sleeve (706) and is connected，Described it is positioned at described pedestal (701) from connecting lever (704) and insulated tension pole (707)，Described 3rd rotating shaft (703) is installed on pedestal (701) by bearing (705)，One end of described 3rd rotating shaft (703) is stretched out pedestal (701) and fixing with arc-chutes operating mechanism (719) is connected，Described 3rd rotating shaft (703) is positioned at that the part of pedestal (701) is then fixing with the one end from connecting lever (704) to be connected，The described other end from connecting lever (704) is hinged with one end of insulated tension pole (707)，One end that the other end of described insulated tension pole (707) then stretches out insulated sleeve (706) with action bars (708) is connected；One end of described big bearing (715) is placed in insulated sleeve (706), the other end is then closed with one end of insulated sleeve (706) and is connected, described bearing (716) is fixed on big bearing (715), described static contact finger (717) and radome (718) are mounted on bearing (716), and described big spout (714) is installed on one end of spout seat (710).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620174464.9U CN205406377U (en) | 2016-03-08 | 2016-03-08 | Major loop is established ties with induced -current's that opens and shuts superhigh pressure earthing switch with explosion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620174464.9U CN205406377U (en) | 2016-03-08 | 2016-03-08 | Major loop is established ties with induced -current's that opens and shuts superhigh pressure earthing switch with explosion chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205406377U true CN205406377U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620174464.9U Withdrawn - After Issue CN205406377U (en) | 2016-03-08 | 2016-03-08 | Major loop is established ties with induced -current's that opens and shuts superhigh pressure earthing switch with explosion chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205406377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170630A (en) * | 2016-03-08 | 2017-09-15 | 湖南长高高压开关有限公司 | Major loop is connected with arc-chutes with the extra-high-voltage earthing switch of opening and closing induction current |
-
2016
- 2016-03-08 CN CN201620174464.9U patent/CN205406377U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170630A (en) * | 2016-03-08 | 2017-09-15 | 湖南长高高压开关有限公司 | Major loop is connected with arc-chutes with the extra-high-voltage earthing switch of opening and closing induction current |
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Granted publication date: 20160727 Effective date of abandoning: 20190920 |
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