CN104377071B - A kind of three-station based on sheave drive - Google Patents
A kind of three-station based on sheave drive Download PDFInfo
- Publication number
- CN104377071B CN104377071B CN201410666469.9A CN201410666469A CN104377071B CN 104377071 B CN104377071 B CN 104377071B CN 201410666469 A CN201410666469 A CN 201410666469A CN 104377071 B CN104377071 B CN 104377071B
- Authority
- CN
- China
- Prior art keywords
- moving contact
- connecting lever
- driving wheel
- pedestal
- groove
- Prior art date
- 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.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000002955 isolation Methods 0.000 claims abstract description 30
- 230000003068 static effect Effects 0.000 claims abstract description 20
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
Abstract
The present invention discloses a kind of three-station based on sheave drive, including pedestal, ground connection moving contact, isolation moving contact, driving wheel, the first connecting lever and the second connecting lever；First connecting lever is swingable on pedestal, and one end is selected to drive by driving wheel, and other end linkage ground connection moving contact, ground connection moving contact is movably arranged in pedestal；Second connecting lever is swingable on pedestal, and one end is selected to drive by driving wheel, and other end linkage isolation moving contact, isolation moving contact is movably arranged in pedestal；Driving wheel may be rotatably mounted on pedestal, by external force order about driving wheel rotate, driving wheel selection drive the first connecting lever motion and the second connecting lever is static, or driving wheel selection drive the second connecting lever motion and the first connecting lever is static.The present invention can be driven using low-force and realize that disconnecting switch closing position, isolated location and ground switch earthing position switch.
Description
Technical field
The present invention relates to high-tension switch gear technical field, a kind of three-station based on sheave drive is referred in particular to.
Background technology
In the prior art, circuit is connected when high-tension switch gear works, and needs to open high-tension switch gear when maintenance
When, high-tension switch gear needs ground connection, therefore, high-tension switch gear need to connect tri-station isolating switch.
The applicant's Publication No. CN203434072U discloses a kind of transmission of three station and stopping means, including pedestal, connects
Ground moving contact, isolation moving contact and driving member；Ground connection moving contact is movably arranged on pedestal with isolating moving contact and be mutually perpendicular to layout
In；Driving member is installed in rotation in pedestal, is selected transmission ground connection moving contact and is isolated moving contact, is made ground connection moving contact and is connect
Ground static contact or isolation moving contact with isolate static contact and select a connection, or make ground connection moving contact and grounding static contact and isolate
Moving contact all disconnects with static contact is isolated.
The three stations transmission and stopping means realize that disconnecting switch closing position, disconnecting switch isolated location, ground connection are opened
Earthing position switching is closed, in transmission ground connection moving contact and isolation moving contact displacement, ground connection moving contact and isolation moving contact are simultaneously
Motion, that is, be grounded moving contact and isolate moving contact retraction while stretching out, or isolation moving contact is grounded while stretching out and moves
Contact is bounced back so that larger power need to be used in transmission, the requirement to mechanism's power is increased so that driving member is subjected to larger
Power, be easily damaged.
The content of the invention
It is an object of the invention to provide a kind of three-station based on sheave drive, realized with being driven using low-force
The switching of disconnecting switch closing position, isolated location and ground switch earthing position.
To reach above-mentioned purpose, solution of the invention is：
A kind of three-station based on sheave drive, including pedestal, ground connection moving contact, isolation moving contact, driving wheel, the
One connecting lever and the second connecting lever；First connecting lever is swingable on pedestal, and one end is selected to drive by driving wheel, and other end linkage connects
Ground moving contact, ground connection moving contact is movably arranged in pedestal；Second connecting lever is swingable on pedestal, and one end is by active polling
Driving is selected, other end linkage isolation moving contact, isolation moving contact is movably arranged in pedestal；Driving wheel may be rotatably mounted at pedestal
On, driving wheel to be ordered about by external force and is rotated, driving wheel selection drives the motion of the first connecting lever and the second connecting lever is static, or active polling
Select and drive the motion of the second connecting lever and the first connecting lever is static.
Further, the first resigning groove and the second resigning groove are set on driving wheel, so as in the first resigning groove and the
First boss and second boss are formed between two resigning grooves, the first driving pin is set on the first resigning groove, the second resigning is recessed
Second driving pin is set on groove；First connecting lever one end forms the first draw-in groove for the insertion of the first driving pin, the first draw-in groove both sides shape
Into the arc-shaped concave matched with driving wheel lateral wall, the other end forms slotted eye, and bearing pin is set on ground connection moving contact, and bearing pin is in slotted eye
Middle motion；Second connecting lever one end forms the second draw-in groove for the insertion of the second driving pin, outside the formation of the second draw-in groove both sides and driving wheel
The arc-shaped concave of side wall matching, the other end forms slotted eye, and bearing pin is set on isolation moving contact, and bearing pin is moved in slotted eye.
Further, ground connection moving contact is mutually perpendicular to be laid out in pedestal with moving contact is isolated.
Further, the first connecting lever and the second connecting lever are swingable in pedestal by alignment pin respectively.
Further, the first resigning groove is oppositely arranged with the second resigning groove, so that first boss and second boss phase
To setting.
After using such scheme, driving wheel of the present invention may be rotatably mounted on pedestal, and ordering about driving wheel by external force rotates, main
Driving wheel selection drive the first connecting lever motion and the second connecting lever is static, or driving wheel selection drive the second connecting lever motion and first turns
Arm is static, i.e., when rotary driving wheel realizes that disconnecting switch closing position, isolated location and ground switch earthing position switch,
Single transmission ground connection moving contact or isolation moving contact is only needed, and without transmission ground connection moving contact simultaneously and isolation moving contact, is made
Obtaining can be driven driving wheel using less power, and transmission is more convenient, and driving wheel is unlikely to bear larger power.
Brief description of the drawings
Fig. 1 is structural representation of the invention（Ground connection moving contact and isolation moving contact are located at original state）；
Fig. 2 is ground switch earthing positional structure schematic diagram of the present invention；
Fig. 3 is disconnecting switch closing position structural representation of the present invention；
Fig. 4 is driving wheel structural representation of the present invention.
Label declaration
Pedestal 1 is grounded moving contact 2
Bearing pin 21 isolates moving contact 3
The driving wheel 4 of bearing pin 31
The driving pin 411 of first resigning groove 41 first
The driving pin 421 of second resigning groove 42 second
The second boss 44 of first boss 43
The draw-in groove 511 of first connecting lever 51 first
The slotted eye 513 of arc-shaped concave 512
The draw-in groove 521 of second connecting lever 52 second
The slotted eye 523 of arc-shaped concave 522.
Specific embodiment
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
Refering to shown in Fig. 1 to Fig. 4, a kind of three-station based on sheave drive that the present invention is disclosed, including pedestal 1,
Ground connection moving contact 2, isolation moving contact 3, driving wheel 4, the first connecting lever 51 and the second connecting lever 52.
First connecting lever 51 is swingable on pedestal 1, and one end is selected to drive by driving wheel 4, and other end linkage ground connection is dynamic
Contact 2, ground connection moving contact 2 is movably arranged in pedestal 1, and the selection of rotary driving wheel 4 is ordered about ground connection moving contact 2 and moved, and selects
Closed a floodgate with grounding static contact and be grounded.
Second connecting lever 52 is swingable on pedestal 1, and one end is selected to drive by driving wheel 4, and other end linkage isolation is dynamic
Contact 3, isolation moving contact 3 is movably arranged in pedestal 1, and the selection of rotary driving wheel 4 is ordered about isolation moving contact 3 and moved, and selects
Closed a floodgate with static contact is isolated.
Driving wheel 4 may be rotatably mounted on pedestal 1, and ordering about driving wheel 4 by external force rotates, and the selection of driving wheel 4 drives first
Connecting lever 51 is moved and the second connecting lever 52 is static, or the selection of driving wheel 4 drives the second connecting lever 52 to move and the first connecting lever 51 is static.
When rotary driving wheel 4 realizes that disconnecting switch closing position, isolated location and ground switch earthing position switch,
Single transmission ground connection moving contact 2 or isolation moving contact 3 is only needed, and without transmission ground connection moving contact 2 simultaneously and isolation moving contact
3 so that can be driven driving wheel 4 using less power, transmission is more convenient, and driving wheel 4 is unlikely to bear larger
Power.
In the present embodiment, the first resigning groove 41 and the second resigning groove 42 are set, so as to be stepped down first on driving wheel 4
First boss 43 and second boss 44 are formed between the resigning groove 42 of groove 41 and second, first is set on the first resigning groove 41
Driving pin 411, sets the second driving pin 421 on the second resigning groove 42.
The one end of first connecting lever 51 forms the first draw-in groove 511 for the insertion of the first driving pin 411, the both sides shape of the first draw-in groove 511
Into the arc-shaped concave 512 matched with the lateral wall of driving wheel 4, the other end forms slotted eye 513, and bearing pin 21 is set on ground connection moving contact 2,
Bearing pin 21 is moved in slotted eye 513.
The one end of second connecting lever 52 forms the second draw-in groove 521 for the insertion of the second driving pin 421, the both sides shape of the second draw-in groove 521
Into the arc-shaped concave 522 matched with the lateral wall of driving wheel 4, the other end forms slotted eye 523, and bearing pin 31 is set on isolation moving contact 3,
Bearing pin 31 is moved in slotted eye 523.
As shown in Fig. 2 driving wheel 4 is rotated counterclockwise（Reversion）When, the insertion of the first driving pin 411 first of driving wheel 4 is turned
In the draw-in groove 511 of arm 51 first, order about the first connecting lever 51 and swing, the first connecting lever 51 orders about ground connection moving contact 2 and moves, with ground connection stationary contact
Head is contacted and is grounded, and now, second driving pin 421 of driving wheel 4 departs from the draw-in groove 521 of the second connecting lever 52 second, isolates moving contact 3
Static not move, when ground connection moving contact 2 closes a floodgate with grounding static contact, the first driving pin 411 is inserted in the first draw-in groove 511, and the
The both sides of two draw-in groove 521 formed a wherein arc-shaped concave 522 with the lateral wall of first boss 43 against spacing, so as to limit first turn
51 and second connecting lever of arm 52 continues to move, and then limits ground connection moving contact 2 and isolation moving contact 3 continues to move, and switch is in connecing
Position.
As shown in figure 3, driving wheel 4 is rotated clockwise（Rotate forward）When, the insertion of the second driving pin 421 second of driving wheel 4 is turned
In the draw-in groove 521 of arm 52 second, order about the second connecting lever 52 and swing, the second connecting lever 52 orders about isolation moving contact 3 and moves, and isolates stationary contact
Head is contacted and closed a floodgate, and now, first driving pin 411 of driving wheel 4 departs from the draw-in groove 511 of the first connecting lever 51 first, is grounded moving contact 2
Static not move, when isolation moving contact 3 is with static contact combined floodgate is isolated, the first driving pin 421 is inserted in the second draw-in groove 521, and the
The both sides of one draw-in groove 511 formed a wherein arc-shaped concave 512 with the lateral wall of first boss 43 against spacing, so as to limit first turn
51 and second connecting lever of arm 52 continues to move, and then limitation ground connection moving contact 2 and isolation moving contact 3 continue to move, at disconnecting switch
In closing position.
In the present embodiment, ground connection moving contact 2 is mutually perpendicular to be laid out in pedestal 1 with moving contact 3 is isolated so that structure
It is compact.First connecting lever 51 and the second connecting lever 52 are swingable in pedestal 1 by alignment pin respectively.First resigning groove 41 with
Second resigning groove 42 is oppositely arranged, so that first boss 43 and second boss 44 are oppositely arranged.
The preferred embodiments of the present invention are the foregoing is only, not to the limitation of this case design, all designs according to this case are closed
The equivalent variations that key is done, each fall within the protection domain of this case.
Claims (4)
1. a kind of three-station based on sheave drive, it is characterised in that：Including pedestal, ground connection moving contact, isolation moving contact,
Driving wheel, the first connecting lever and the second connecting lever；First connecting lever is swingable on pedestal, and one end is selected to drive by driving wheel, separately
One end linkage ground connection moving contact, ground connection moving contact is movably arranged in pedestal；Second connecting lever is swingable on pedestal, one end
Selected to drive by driving wheel, other end linkage isolation moving contact, isolation moving contact is movably arranged in pedestal；Driving wheel is rotatable
On pedestal, driving wheel is ordered about by external force and is rotated, driving wheel selection drives the motion of the first connecting lever and the second connecting lever is static, or
The selection of person's driving wheel drives the motion of the second connecting lever and the first connecting lever is static；First resigning groove and the second resigning are set on driving wheel
Groove, so as to form first boss and second boss, the first resigning groove between the first resigning groove and the second resigning groove
The first driving pin of upper setting, the second driving pin is set on the second resigning groove；First connecting lever one end is formed inserts for the first driving pin
The first draw-in groove for entering, the first draw-in groove both sides form the arc-shaped concave matched with driving wheel lateral wall, and the other end forms slotted eye, ground connection
Bearing pin is set on moving contact, and bearing pin is moved in slotted eye；Second connecting lever one end forms the second draw-in groove for the insertion of the second driving pin,
Second draw-in groove both sides form the arc-shaped concave matched with driving wheel lateral wall, and the other end forms slotted eye, set on isolation moving contact
Bearing pin, bearing pin is moved in slotted eye.
2. a kind of three-station based on sheave drive as claimed in claim 1, it is characterised in that：Ground connection moving contact with every
Layout is mutually perpendicular to from moving contact to be arranged in pedestal.
3. a kind of three-station based on sheave drive as claimed in claim 1, it is characterised in that：First connecting lever and second
Connecting lever is swingable in pedestal by alignment pin respectively.
4. a kind of three-station based on sheave drive as claimed in claim 1, it is characterised in that：First resigning groove with
Second resigning groove is oppositely arranged, so that first boss and second boss are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666469.9A CN104377071B (en) | 2014-11-20 | 2014-11-20 | A kind of three-station based on sheave drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666469.9A CN104377071B (en) | 2014-11-20 | 2014-11-20 | A kind of three-station based on sheave drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104377071A CN104377071A (en) | 2015-02-25 |
| CN104377071B true CN104377071B (en) | 2017-07-04 |
Family
ID=52555919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410666469.9A Active CN104377071B (en) | 2014-11-20 | 2014-11-20 | A kind of three-station based on sheave drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104377071B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101897736B1 (en) | 2017-01-06 | 2018-09-12 | 엘에스산전 주식회사 | 3 Way Disconnecting Switch and Earthing Switch for Gas Insulated Switch |
| CN112242266A (en) * | 2019-07-19 | 2021-01-19 | 武汉倍诺德开关有限公司 | Contact system of three-station isolating switch |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202736817U (en) * | 2012-08-23 | 2013-02-13 | 中国西电电气股份有限公司 | High-voltage isolation/grounding switch device |
| CN204242916U (en) * | 2014-11-20 | 2015-04-01 | 许继（厦门）智能电力设备股份有限公司 | A kind of three-station based on sheave drive |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2937177B1 (en) * | 2008-10-14 | 2010-12-03 | Areva T & D Ag | ELECTRICAL SWITCHING APPARATUS HAVING TWO SWITCHES, SUCH AS A BAR DISCONNECT AND A GROUND DISCONNECT AND COMPRISING TRAINING MEANS COMMON TO THE MOBILE SWITCH CONTACTS. |
-
2014
- 2014-11-20 CN CN201410666469.9A patent/CN104377071B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202736817U (en) * | 2012-08-23 | 2013-02-13 | 中国西电电气股份有限公司 | High-voltage isolation/grounding switch device |
| CN204242916U (en) * | 2014-11-20 | 2015-04-01 | 许继（厦门）智能电力设备股份有限公司 | A kind of three-station based on sheave drive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104377071A (en) | 2015-02-25 |
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