CN204242916U - A kind of three-station based on sheave drive - Google Patents
A kind of three-station based on sheave drive Download PDFInfo
- Publication number
- CN204242916U CN204242916U CN201420699636.5U CN201420699636U CN204242916U CN 204242916 U CN204242916 U CN 204242916U CN 201420699636 U CN201420699636 U CN 201420699636U CN 204242916 U CN204242916 U CN 204242916U
- Authority
- CN
- China
- Prior art keywords
- connecting lever
- moving contact
- driving wheel
- groove
- pedestal
- 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.)
- Withdrawn - After Issue
Links
- 238000002955 isolation Methods 0.000 claims abstract description 40
- 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
- 230000003068 static effect Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 239000012467 final product Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Abstract
The utility model discloses a kind of three-station based on sheave drive, comprises pedestal, ground connection moving contact, isolation moving contact, driving wheel, the first connecting lever and the second connecting lever; First connecting lever is swingable to be arranged on pedestal, and one end is selected to drive by driving wheel, other end interlock ground connection moving contact, and ground connection moving contact is movably arranged in pedestal; Second connecting lever is swingable to be arranged on pedestal, and one end is selected to drive by driving wheel, other end interlock isolation moving contact, and isolation moving contact is movably arranged in pedestal; Driving wheel is rotatably arranged on pedestal, orders about driving wheel rotate by external force, and driving wheel selects the motion of driving first connecting lever and the second connecting lever is static, or driving wheel selects the motion of driving second connecting lever and the first connecting lever is static.The utility model can use low-force transmission to realize isolating switch closing position, isolated location and the switching of ground switch earthing position.
Description
Technical field
The utility model relates to high voltage switchgear technical field, refers in particular to a kind of three-station based on sheave drive.
Background technology
In prior art, circuit ON during high voltage switchgear work, when needing to open high voltage switchgear in the situations such as maintenance, high voltage switchgear needs ground connection, and therefore, high voltage switchgear need connect tri-station isolating switch.
The applicant's publication number is that CN203434072U discloses a kind of three station transmission and stopping means, comprises pedestal, ground connection moving contact, isolation moving contact and driving member; Ground connection moving contact is movably arranged in pedestal with the mutual vertical arrangement of isolation moving contact; Driving member is installed in rotation in pedestal, select a transmission ground connection moving contact and isolation moving contact, make ground connection moving contact and grounding static contact or isolate moving contact to select a connection with isolation fixed contact, or make ground connection moving contact and grounding static contact and isolate moving contact all to disconnect with isolation fixed contact.
Described three station transmissions and stopping means realize isolating switch closing position, isolating switch isolated location, the switching of ground switch earthing position, when transmission ground connection moving contact and isolation moving contact displacement, ground connection moving contact and isolation moving contact move simultaneously, namely ground connection moving contact isolates moving contact retraction while stretching out, or isolation moving contact is ground connection moving contact retraction while stretching out, make need use larger power when transmission, add the requirement to mechanism's power, make driving member need bear larger power, easily damage.
Utility model content
The purpose of this utility model is to provide a kind of three-station based on sheave drive, realizes isolating switch closing position, isolated location and ground switch earthing position switch to use low-force transmission.
For reaching above-mentioned purpose, solution of the present utility model is:
Based on a three-station for sheave drive, comprise pedestal, ground connection moving contact, isolation moving contact, driving wheel, the first connecting lever and the second connecting lever; First connecting lever is swingable to be arranged on pedestal, and one end is selected to drive by driving wheel, other end interlock ground connection moving contact, and ground connection moving contact is movably arranged in pedestal; Second connecting lever is swingable to be arranged on pedestal, and one end is selected to drive by driving wheel, other end interlock isolation moving contact, and isolation moving contact is movably arranged in pedestal; Driving wheel is rotatably arranged on pedestal, orders about driving wheel rotate by external force, and driving wheel selects the motion of driving first connecting lever and the second connecting lever is static, or driving wheel selects the motion of driving second connecting lever and the first connecting lever is static.
Further, driving wheel is arranged the first groove and second of stepping down to step down groove, thus step down between groove form the first boss and the second boss at the first groove and second of stepping down, first steps down on groove arranges the first driving pin, and second steps down on groove arranges the second driving pin; First connecting lever one end forms the first draw-in groove inserted for the first driving pin, and the first draw-in groove both sides form the arc-shaped concave mated with driving wheel lateral wall, and the other end forms slotted eye, and ground connection moving contact arranges bearing pin, and bearing pin moves in slotted eye; Second connecting lever one end forms the second draw-in groove inserted for the second driving pin, and the second draw-in groove both sides form the arc-shaped concave mated with driving wheel lateral wall, and the other end forms slotted eye, and isolation moving contact arranges bearing pin, and bearing pin moves in slotted eye.
Further, ground connection moving contact is arranged in pedestal with the mutual vertical arrangement of isolation moving contact.
Further, the first connecting lever and the second connecting lever are arranged in pedestal respectively by alignment pin is swingable.
Further, the first groove and second groove of stepping down of stepping down is oppositely arranged, thus the first boss and the second boss are oppositely arranged.
After adopting such scheme, the utility model driving wheel is rotatably arranged on pedestal, order about driving wheel by external force to rotate, driving wheel selects the motion of driving first connecting lever and the second connecting lever is static, or driving wheel selects the motion of driving second connecting lever and the first connecting lever is static, namely rotary driving wheel realizes isolating switch closing position, when isolated location and ground switch earthing position switch, only need single transmission ground connection moving contact or isolation moving contact, and without the need to while transmission ground connection moving contact and isolation moving contact, make it possible to use less power to get final product transmission driving wheel, transmission more for convenience, and driving wheel is unlikely to bear larger power.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model (ground connection moving contact and isolation moving contact are positioned at initial condition);
Fig. 2 is the utility model ground switch earthing positional structure schematic diagram;
Fig. 3 is the utility model isolating switch closing position structural representation;
Fig. 4 is the utility model driving wheel structural representation.
Label declaration
Pedestal 1 ground connection moving contact 2
Bearing pin 21 isolates moving contact 3
Bearing pin 31 driving wheel 4
First steps down groove 41 first driving pin 411
Second steps down groove 42 second driving pin 421
First boss 43 second boss 44
First connecting lever 51 first draw-in groove 511
Arc-shaped concave 512 slotted eye 513
Second connecting lever 52 second draw-in groove 521
Arc-shaped concave 522 slotted eye 523.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in detail.
Consult shown in Fig. 1 to Fig. 4, a kind of three-station based on sheave drive that the utility model discloses, comprise pedestal 1, ground connection moving contact 2, isolation moving contact 3, driving wheel 4, first connecting lever 51 and the second connecting lever 52.
First connecting lever 51 is swingable to be arranged on pedestal 1, one end is selected to drive by driving wheel 4, other end interlock ground connection moving contact 2, and ground connection moving contact 2 is movably arranged in pedestal 1, rotary driving wheel 4 is selected to order about ground connection moving contact 2 and is moved, and selects and grounding static contact combined floodgate ground connection.
Second connecting lever 52 is swingable to be arranged on pedestal 1, one end is selected to drive by driving wheel 4, other end interlock isolation moving contact 3, and isolation moving contact 3 is movably arranged in pedestal 1, rotary driving wheel 4 is selected to order about isolation moving contact 3 and is moved, and selects to close a floodgate with isolation fixed contact.
Driving wheel 4 is rotatably arranged on pedestal 1, orders about driving wheel 4 rotate by external force, and driving wheel 4 selects that driving first connecting lever 51 moves and the second connecting lever 52 is static, or driving wheel 4 selects that driving second connecting lever 52 moves and the first connecting lever 51 is static.
When rotary driving wheel 4 realizes isolating switch closing position, isolated location and ground switch earthing position switch, only need single transmission ground connection moving contact 2 or isolation moving contact 3, and without the need to while transmission ground connection moving contact 2 and isolation moving contact 3, make it possible to use less power to get final product transmission driving wheel 4, more for convenience, and driving wheel 4 is unlikely to bear larger power in transmission.
In the present embodiment, driving wheel 4 is arranged the first groove 41 and second of stepping down to step down groove 42, thus step down between groove 42 form the first boss 43 and the second boss 44 at the first groove 41 and second of stepping down, first steps down groove 41 arranges the first driving pin 411, the second and steps down on groove 42 and arrange the second driving pin 421.
First connecting lever 51 one end forms the first draw-in groove 511 inserted for the first driving pin 411, first draw-in groove 511 both sides form the arc-shaped concave 512 mated with driving wheel 4 lateral wall, the other end forms slotted eye 513, and ground connection moving contact 2 is arranged bearing pin 21, bearing pin 21 moves in slotted eye 513.
Second connecting lever 52 one end forms the second draw-in groove 521 inserted for the second driving pin 421, second draw-in groove 521 both sides form the arc-shaped concave 522 mated with driving wheel 4 lateral wall, the other end forms slotted eye 523, and isolation moving contact 3 arranges bearing pin 31, and bearing pin 31 moves in slotted eye 523.
As shown in Figure 2, when driving wheel 4 rotates counterclockwise (reversion), first driving pin 411 of driving wheel 4 inserts in the first connecting lever 51 first draw-in groove 511, order about the first connecting lever 51 to swing, first connecting lever 51 orders about ground connection moving contact 2 and moves, contact and ground connection with grounding static contact, now, second driving pin 421 of driving wheel 4 departs from the second connecting lever 52 second draw-in groove 521, moving contact 3 is static does not move in isolation, when ground connection moving contact 2 and grounding static contact close a floodgate, first driving pin 411 inserts in the first draw-in groove 511, and wherein an arc-shaped concave 522 and the first boss 43 lateral wall that the second draw-in groove 521 both sides are formed are against spacing, thus restriction the first connecting lever 51 and the second connecting lever 52 continue motion, and then limit ground connection moving contact 2 and isolation moving contact 3 continuation motion, switch is in earthing position.
As shown in Figure 3, when driving wheel 4 rotates clockwise (rotating forward), second driving pin 421 of driving wheel 4 inserts in the second connecting lever 52 second draw-in groove 521, order about the second connecting lever 52 to swing, second connecting lever 52 orders about isolation moving contact 3 and moves, contact with isolation fixed contact and close a floodgate, now, first driving pin 411 of driving wheel 4 departs from the first connecting lever 51 first draw-in groove 511, ground connection moving contact 2 is static not to move, when isolation moving contact 3 closes a floodgate with isolation fixed contact, first driving pin 421 inserts in the second draw-in groove 521, and wherein an arc-shaped concave 512 and the first boss 43 lateral wall that the first draw-in groove 511 both sides are formed are against spacing, thus restriction the first connecting lever 51 and the second connecting lever 52 continue motion, and then limit ground connection moving contact 2 and isolation moving contact 3 continuation motion, isolating switch is in closing position.
In the present embodiment, ground connection moving contact 2 and isolation moving contact 3 mutually vertical arrangement are arranged in pedestal 1, make compact conformation.First connecting lever 51 and the second connecting lever 52 are arranged in pedestal 1 respectively by alignment pin is swingable.First groove 41 and second groove 42 of stepping down of stepping down is oppositely arranged, thus the first boss 43 and the second boss 44 are oppositely arranged.
The foregoing is only preferred embodiment of the present utility model, not to the restriction of this case design, all equivalent variations done according to the design key of this case, all fall into the protection range of this case.
Claims (5)
1. based on a three-station for sheave drive, it is characterized in that: comprise pedestal, ground connection moving contact, isolation moving contact, driving wheel, the first connecting lever and the second connecting lever; First connecting lever is swingable to be arranged on pedestal, and one end is selected to drive by driving wheel, other end interlock ground connection moving contact, and ground connection moving contact is movably arranged in pedestal; Second connecting lever is swingable to be arranged on pedestal, and one end is selected to drive by driving wheel, other end interlock isolation moving contact, and isolation moving contact is movably arranged in pedestal; Driving wheel is rotatably arranged on pedestal, orders about driving wheel rotate by external force, and driving wheel selects the motion of driving first connecting lever and the second connecting lever is static, or driving wheel selects the motion of driving second connecting lever and the first connecting lever is static.
2. a kind of three-station based on sheave drive as claimed in claim 1, it is characterized in that: driving wheel is arranged the first groove and second of stepping down and to step down groove, thus step down between groove form the first boss and the second boss at the first groove and second of stepping down, first steps down on groove arranges the first driving pin, and second steps down on groove arranges the second driving pin; First connecting lever one end forms the first draw-in groove inserted for the first driving pin, and the first draw-in groove both sides form the arc-shaped concave mated with driving wheel lateral wall, and the other end forms slotted eye, and ground connection moving contact arranges bearing pin, and bearing pin moves in slotted eye; Second connecting lever one end forms the second draw-in groove inserted for the second driving pin, and the second draw-in groove both sides form the arc-shaped concave mated with driving wheel lateral wall, and the other end forms slotted eye, and isolation moving contact arranges bearing pin, and bearing pin moves in slotted eye.
3. a kind of three-station based on sheave drive as claimed in claim 1, is characterized in that: ground connection moving contact is arranged in pedestal with the mutual vertical arrangement of isolation moving contact.
4. a kind of three-station based on sheave drive as claimed in claim 1, is characterized in that: the first connecting lever and the second connecting lever are arranged in pedestal respectively by alignment pin is swingable.
5. a kind of three-station based on sheave drive as claimed in claim 1, is characterized in that: the first groove and second groove of stepping down of stepping down is oppositely arranged, thus the first boss and the second boss are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420699636.5U CN204242916U (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 |
|---|---|---|---|
| CN201420699636.5U CN204242916U (en) | 2014-11-20 | 2014-11-20 | A kind of three-station based on sheave drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204242916U true CN204242916U (en) | 2015-04-01 |
Family
ID=52772376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420699636.5U Withdrawn - After Issue CN204242916U (en) | 2014-11-20 | 2014-11-20 | A kind of three-station based on sheave drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204242916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377071A (en) * | 2014-11-20 | 2015-02-25 | 许继（厦门）智能电力设备股份有限公司 | Three-position switch based on sheave drive |
-
2014
- 2014-11-20 CN CN201420699636.5U patent/CN204242916U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377071A (en) * | 2014-11-20 | 2015-02-25 | 许继（厦门）智能电力设备股份有限公司 | Three-position switch based on sheave drive |
| CN104377071B (en) * | 2014-11-20 | 2017-07-04 | 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 |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150401 Effective date of abandoning: 20170704 |