CN203573891U - Indoor high-voltage direct-operated isolating and grounding switch - Google Patents

Indoor high-voltage direct-operated isolating and grounding switch Download PDF

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Publication number
CN203573891U
CN203573891U CN201320709812.4U CN201320709812U CN203573891U CN 203573891 U CN203573891 U CN 203573891U CN 201320709812 U CN201320709812 U CN 201320709812U CN 203573891 U CN203573891 U CN 203573891U
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CN
China
Prior art keywords
switch
riser
guide
isolating
switch case
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320709812.4U
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Chinese (zh)
Inventor
李拥军
郝国华
张秀丽
袁强明
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ZHENGZHOU YICHANG ELECTRIC POWER MACHINERY Co Ltd
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ZHENGZHOU YICHANG ELECTRIC POWER MACHINERY Co Ltd
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Priority to CN201320709812.4U priority Critical patent/CN203573891U/en
Application granted granted Critical
Publication of CN203573891U publication Critical patent/CN203573891U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an indoor high-voltage direct-operated isolating and grounding switch which can perform reliable locking at switching-on/off positions, and solves the problem that the existing switch easily fails under the action of electromotive power. The indoor high-voltage direct-operated isolating and grounding switch is composed of insulating poles, grounding rods, a driving gear, a gear mounting plate, a switch shell body, a mechanism vertical plate, a connecting plate, guide sleeves, a groove plate, a crank arm, a driven gear, a locking guide rod, guide column supports, a spring, a supporting sleeve, a pad, guide columns, grounding dynamic seals, a rear static contact, a front static contact, a moving contact, a guide block, an isolating dynamic seal, an isolating rod, a roller, a grounding main shaft and an isolating main shaft. According to the indoor high-voltage direct-operated isolating and grounding switch, the isolating switch and the grounding switch can perform reliable locking no matter at a switching-on position or a switching-off position, the in-position sense is obvious, and the switch fault caused by the conditions that the switching-on and switching-off are not in place is avoided.

Description

A kind of indoor high-voltage direct-operated isolation earthing switch
Technical field
The utility model relates to isolation earthing switch, be specifically a kind of in on/off switch position the reliable indoor high-voltage direct-operated isolation earthing switch of locking.
Background technology
At present, in production there is the uncertain problem in on/off switch position in Direct Action Type isolation earthing switch used, and there is no reliable locking device in on/off switch position, easily occurs the problem that switch often breaks down under electrodynamic action.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of in on/off switch position the reliable indoor high-voltage direct-operated isolation earthing switch of locking, solve the problem that existing switch easily breaks down under electrodynamic action.
The utility model solves the problems of the technologies described above by the following technical solutions:
A kind of indoor high-voltage direct-operated isolation earthing switch is comprised of insulating polar pole, earth brace, driving gear, gear mounting panel, switch case, mechanism's riser, connecting plate, guide pin bushing, frid, connecting lever, driven gear, locking guide rod, guide pillar bearing, spring, support set, backing plate, guide pillar, ground connection movable sealing, rear fixed contact, front fixed contact, moving contact, guide pad, isolation movable sealing, spacer bar, roller, ground connection main shaft and isolation main shaft.
In described switch case, centre position is provided with horizontal mechanism's riser, and described mechanism's riser is connected with switch case by the left side, the right and base, between the right and left of mechanism's riser and switch case, is provided with backing plate; Before and after described mechanism's riser, be respectively earthing mechanism and the interrupter of this isolation earthing switch; Described earthing mechanism is identical with the structure of interrupter.
Described mechanism's riser middle part is provided with gear mounting panel, and isolation main shaft is arranged on gear mounting panel through mechanism's riser after connecting driving gear, and driven gear is arranged on gear mounting panel and the fair position of driving gear; Between described driving gear and driven gear, by transition wheel, be connected; Described connecting lever one end is fixedly mounted on driven gear, and the other end is connected in the frid arranging on connecting plate by roller; Described locking guide rod one end is connected to connecting lever, and the other end is connected to the middle part of mechanism's riser by support set, and described locking guide rod is provided with spring; Described guide pillar is vertically fixed on mechanism's riser by guide pillar bearing, and spacer bar top links together by bolt and connecting plate, frid and guide pin bushing, and described guide pin bushing is linked in the outside of guide pillar; Described moving contact is arranged on the lower end of spacer bar; Described guide runner is bolted on moving contact.
Described front fixed contact and rear fixed contact are located at the bottom of switch case, corresponding with the moving contact that spacer bar end arranges; Described switch case bottom is provided with insulating polar pole, between described insulating polar pole and front fixed contact, by conductor, is connected.
Between described earth brace and switch case, be provided with ground connection movable sealing; Between described spacer bar and switch case, be provided with isolation movable sealing.
The utility model adopts above-mentioned technological means to make isolating switch and earthed switch no matter at closing position or in reliably locking of open position, and has the sense of significantly putting in place, has avoided the on/off switch switch fault causing not in place.
Accompanying drawing explanation
Fig. 1, Fig. 2 and Fig. 3 are schematic diagram of the present utility model.
Fig. 4 and Fig. 5 are the state of isolating switch when closing a floodgate.
Fig. 6 and Fig. 7 are the state of earthed switch when closing a floodgate.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of indoor high-voltage direct-operated isolation earthing switch is by insulating polar pole 1, earth brace 2, driving gear 3, gear mounting panel 4, switch case 5, mechanism's riser 6, connecting plate 7, guide pin bushing 8, frid 9, connecting lever 10, driven gear 11, locking guide rod 12, guide pillar bearing 13, spring 14, support set 15, backing plate 16, guide pillar 17, ground connection movable sealing 18, rear fixed contact 19, front fixed contact 20, moving contact 21, guide pad 22, isolation movable sealing 23, spacer bar 24, roller 25, ground connection main shaft 26 and isolation main shaft 27 form.
The described interior centre position of switch case 5 is provided with horizontal mechanism's riser 6, and described mechanism's riser 6 is connected with switch case 5 by the left side, the right and base, between the right and left of mechanism's riser 6 and switch case 5, is provided with backing plate 16; Described mechanism's riser 6 front and back are respectively earthing mechanism and the interrupter of this isolation earthing switch; Described earthing mechanism is identical with the structure of interrupter.
Described mechanism's riser 6 middle parts are provided with gear mounting panel 4, and isolation main shaft 27 is arranged on gear mounting panel 4 through mechanism's riser 6 after connecting driving gears 3, and driven gear 11 is arranged on gear mounting panel 4 and the fair position of driving gear 3; Between described driving gear 3 and driven gear 11, by transition wheel, be connected; Described connecting lever 10 one end are fixedly mounted on driven gear 11, and the other end is connected in the frid 9 arranging on connecting plate 7 by roller 25; Described locking guide rod 12 one end are connected to connecting lever 10, and the other end is connected to the middle part of mechanism's riser 6 by support set 15, and described locking guide rod 12 is provided with spring 14; Described guide pillar 17 is vertically fixed on mechanism's riser 6 by guide pillar bearing 13, and spacer bar 24 tops link together by bolt and connecting plate 7, frid 9 and guide pin bushing 8, and described guide pin bushing 8 is linked in the outside of guide pillar 17; Described moving contact 21 is arranged on the lower end of spacer bar 24; Described guide runner 22 is bolted on moving contact 21.
Described front fixed contact 20 and rear fixed contact 19 are located at the bottom of switch case 5, corresponding with the moving contact 21 that spacer bar 24 ends arrange; Described switch case 5 bottoms are provided with insulating polar pole 1, between described insulating polar pole 1 and front fixed contact 20, by conductor, are connected.
Between described earth brace 2 and switch case 5, be provided with ground connection movable sealing 18; Between described spacer bar 24 and switch case 5, be provided with isolation movable sealing 23.
When the supreme extreme position of connecting lever 10 rotation, after the upper locating surface of connecting lever 10 contact gear mounting panels 4, be positioned, and mechanism just to cross dead point, interrupter is in gate-dividing state, and now locking guide rod 12, under spring 14 effects, keeps connecting lever 10 invariant positions.When connecting lever 10 rotates to limit inferior position, after the lower locating surface of connecting lever 10 contact gear mounting panels 4, be positioned, and mechanism just to cross dead point, interrupter is in "on" position, and now locking guide rod 12, under spring 14 effects, keeps connecting lever 10 invariant positions.
As Fig. 1, Fig. 2, shown in Fig. 3 is the state that earthing mechanism and interrupter all cut-off, counterclockwise operational grounding main shaft 26, drive driving gear 3 rotations, by transition gear, drive driven gear 11 to rotate counterclockwise, the connecting lever 10 and the roller 25 that are fixed on driven gear 11 pass through the effect to frid 9, drive the earth brace 2 being fixed together with connecting rod 7 to move up along guide pillar 17 directions, when connecting lever 10 upwards rotates through horizontal level, the active force of the spring 14 on locking guide rod 12 is consistent with operating physical force direction, promote that connecting lever 10 rotates and the upper locating surface of the gear mounting panel 4 of fitting, now, connecting lever 10 has just rotated over upright position, if have External Force Acting in earth brace 2, downward power can make the connecting lever 10 gear mounting panel 4 of fitting more closely, can not allow switch motion, power upwards can be overcome by connecting lever 10 and roller 25 equally, earthing mechanism is now in cut-offfing state, the active force of spring 14 makes to cut-off state and reliably maintains.As a same reason, counterclockwise operation isolation main shaft 27, interrupter is in cut-offfing state.
The state that is interrupter when closing a floodgate as shown in Figure 4 and Figure 5, operation isolation main shaft 27 clockwise, through a series of transmissions, spacer bar 24 moves down, moving contact 21 and rear fixed contact 19,20 combinations of front fixed contact, interrupter is in "on" position.
The state that is earthing mechanism when closing a floodgate as shown in Figure 6 and Figure 7, first counterclockwise operation isolation main shaft 27, interrupter is in cut-offfing state, and then clockwise operational grounding main shaft 26, through a series of transmissions, earth brace 2 moves down, when connecting lever 10 rotates and during the lower locating surface of the gear mounting panel 4 of fitting, insert in front fixed contact 20 earth brace 2 lower ends, and locking guide rod 12 and spring 14 make earthing mechanism reliably maintain closing position.

Claims (1)

1. an indoor high-voltage direct-operated isolation earthing switch is by insulating polar pole (1), earth brace (2), driving gear (3), gear mounting panel (4), switch case (5), mechanism's riser (6), connecting plate (7), guide pin bushing (8), frid (9), connecting lever (10), driven gear (11), locking guide rod (12), guide pillar bearing (13), spring (14), support set (15), backing plate (16), guide pillar (17), ground connection movable sealing (18), rear fixed contact (19), front fixed contact (20), moving contact (21), guide pad (22), isolation movable sealing (23), spacer bar (24), roller (25), ground connection main shaft (26) and isolation main shaft (27) form, it is characterized in that: the interior centre position of described switch case (5) is provided with horizontal mechanism's riser (6), described mechanism's riser (6) is connected with switch case (5) with the right by the left side, between the right and left of mechanism's riser (6) and switch case (5), is provided with backing plate (16), described mechanism's riser 6 front and back are respectively earthing mechanism and the interrupter of this isolation earthing switch, described earthing mechanism is identical with the structure of interrupter, described mechanism's riser (6) middle part is provided with gear mounting panel (4), isolation main shaft (27) is arranged on gear mounting panel (4) above through mechanism's riser (6) after connecting driving gear (3), and driven gear (11) is arranged on (4) and the fair position of driving gear (3) on gear mounting panel, between described driving gear (3) and driven gear (11), by transition wheel, be connected, it is upper that described connecting lever (10) one end is fixedly mounted on driven gear (11), and the other end is connected in the upper frid (9) arranging of connecting plate (7) by roller (25), described locking guide rod (12) one end is connected to connecting lever (10), and the other end is connected to the middle part of mechanism's riser (6) by support set (15), and described locking guide rod (12) is provided with spring (14), described guide pillar (17) is vertically fixed on mechanism's riser (6) by guide pillar bearing (13), spacer bar (24) top links together by bolt and connecting plate (7), frid (9) and guide pin bushing (8), and described guide pin bushing (8) is linked in the outside of guide pillar (17), described moving contact (21) is arranged on the lower end of spacer bar (24), described guide runner (22) is bolted on moving contact (21), described front fixed contact (20) and rear fixed contact (19) are located at the bottom of switch case (5), corresponding with the moving contact (21) that spacer bar (24) end arranges, described switch case (5) bottom is provided with insulating polar pole (1), between described insulating polar pole (1) and front fixed contact (20), by conductor, is connected, between described earth brace (2) and switch case (5), be provided with ground connection movable sealing (18), between described spacer bar (24) and switch case (5), be provided with isolation movable sealing (23).
CN201320709812.4U 2013-11-12 2013-11-12 Indoor high-voltage direct-operated isolating and grounding switch Expired - Fee Related CN203573891U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320709812.4U CN203573891U (en) 2013-11-12 2013-11-12 Indoor high-voltage direct-operated isolating and grounding switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320709812.4U CN203573891U (en) 2013-11-12 2013-11-12 Indoor high-voltage direct-operated isolating and grounding switch

Publications (1)

Publication Number Publication Date
CN203573891U true CN203573891U (en) 2014-04-30

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104485248A (en) * 2014-12-31 2015-04-01 嘉兴赛铁龙电气有限公司 Earthing switch
CN106229209A (en) * 2016-08-31 2016-12-14 北京双杰电气股份有限公司 Three station isolation grounding device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104485248A (en) * 2014-12-31 2015-04-01 嘉兴赛铁龙电气有限公司 Earthing switch
CN104485248B (en) * 2014-12-31 2017-05-10 嘉兴赛铁龙电气有限公司 Earthing switch
CN106229209A (en) * 2016-08-31 2016-12-14 北京双杰电气股份有限公司 Three station isolation grounding device
CN106229209B (en) * 2016-08-31 2019-07-16 北京双杰电气股份有限公司 Earthing or grounding means is isolated in three stations

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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: 20140430

Termination date: 20151112

EXPY Termination of patent right or utility model