CN203434072U - Three-position transmission device - Google Patents
Three-position transmission device Download PDFInfo
- Publication number
- CN203434072U CN203434072U CN201320476320.5U CN201320476320U CN203434072U CN 203434072 U CN203434072 U CN 203434072U CN 201320476320 U CN201320476320 U CN 201320476320U CN 203434072 U CN203434072 U CN 203434072U
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- China
- Prior art keywords
- moving contact
- clamping stagnation
- ground connection
- outer cover
- groove
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 44
- 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 30
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 49
- 238000002955 isolation Methods 0.000 claims description 39
- 239000011049 pearl Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000013213 extrapolation Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a three-position transmission device, comprising a housing, a pedestal, an earthing switch (ES), a disconnector (DS) and an inner connecting lever. The ES and the DS are mutually perpendicularly installed in the pedestal; the inner connecting lever can be rotatably installed in the housing; through a transmission, the ES or the DS is communicated, or the ES and the DS are both disconnected. Compared with prior arts, the three-position transmission device has a simpler structure, can furthermore reduce cost, is simple to assemble and is easy to use.
Description
Technical field
The utility model relates to a kind of three position transmission devices.
Background technology
Three stations refer to three service positions: one, and the closing position that isolated switch main fracture is connected; Two, the isolated location that isolated switch main fracture separates; Three, the earthing position of earthed switch.By transmission device, realize the switching of three service positions, thus control isolating switch deciliter and earthed switch deciliter.
Transmission device of the prior art generally comprises two kinds: one, plug in construction, isolating switch and earthed switch are located on the same line, its defect is: isolating switch and earthed switch be located on the same line take up space larger, structure relative complex; Two, disconnecting link formula structure, isolating switch and earthed switch are positioned on same circumference, and its defect is: isolating switch and earthed switch are positioned on same circumference, and centering is poor, and assembly difficulty is larger, uses inconvenient.
Along with the development of power industry, each electric power supply plant more and more higher to the requirement of power switchgear, to the requirement of the combining form of power switchgear, be also more and more.The power switchgear of prior art cannot meet the requirement of electric power supply plant, and the inventor furthers investigate it, develops a kind of three position transmission devices that overcome described defect, and this case produces thus.
Utility model content
It is a kind of simple in structure and assemble simple and easy and wieldy three position transmission devices that the purpose of this utility model is to provide.
For reaching above-mentioned purpose, solution of the present utility model is:
A position transmission device, comprises housing, pedestal, earthed switch, isolating switch and interior connecting lever; Earthed switch and isolating switch mutually vertical layout setting in pedestal; Interior connecting lever is installed in rotation in housing, selects a transmission earthed switch and isolating switch it is connected, or earthed switch and isolating switch are all disconnected.
Further, earthed switch is comprised of ground connection moving contact and ES support slipper, and ES support slipper is arranged on pedestal, and ground connection moving contact slides on ES support slipper; Isolating switch is by isolating moving contact and DS support slipper forms, and DS support slipper is arranged on pedestal, and isolation moving contact slides on DS support slipper.
Further, ground connection moving contact one end arranges ES trundle, and accordingly, isolation moving contact one end arranges DS trundle; Interior connecting lever is arranged in housing by power transmission shaft, and its both ends arrange respectively draw-in groove, and at earthed switch and isolating switch, under off-state, ES trundle and DS trundle snap in respectively in the draw-in groove at interior connecting lever both ends.
Further, draw-in groove is that cross section is " U " type groove, and the both ends height of U-shaped groove is unequal and form introducing port.
Further, also comprise ES bumping post and ES clamping stagnation device, be arranged on pedestal, ES bumping post is positioned at ground connection moving contact axial direction, ES clamping stagnation device is positioned at ground connection moving contact radial direction, under earthed switch off-state, ground connection moving contact arranges trundle one end and is resisted against ES bumping post, and ES clamping stagnation device is located ground connection moving contact.
Further, ES clamping stagnation device is comprised of outer cover, clamping stagnation pearl and spring, and outer cover is arranged on pedestal, and clamping stagnation pearl is placed in outer cover, and protrudes from outer cover, and spring one end is against clamping stagnation pearl, and one end is against outer cover; Accordingly, on ground connection moving contact, groove is set, under ground connection moving contact positioning states, pearl snaps in groove clamping stagnation.
Further, also comprise DS bumping post and DS clamping stagnation device, be arranged on pedestal, DS bumping post is positioned at isolation moving contact axial direction, DS clamping stagnation device is positioned at isolation moving contact radial direction, under isolating switch off-state, isolation moving contact arranges trundle one end and is resisted against DS bumping post, and DS clamping stagnation device will be isolated moving contact location.
Further, DS clamping stagnation device is comprised of outer cover, clamping stagnation pearl and spring, and outer cover is arranged on pedestal, and clamping stagnation pearl is placed in outer cover, and protrudes from outer cover, and spring one end is against clamping stagnation pearl, and one end is against outer cover; Accordingly, on isolation moving contact, groove is set, under isolation moving contact positioning states, pearl snaps in groove clamping stagnation.
Adopt after such scheme, the utility model earthed switch and isolating switch are arranged in pedestal mutual vertically, and interior connecting lever is installed in rotation in housing, select a transmission earthed switch and isolating switch and make its connection, by the transmission mechanism being arranged at outside housing, make interior connecting lever positive and negative rotation, or transmission earthed switch and make it connect (as interior connecting lever forward time), or transmission isolating switch and make it connect (as interior connecting lever reversion time), thereby realize three Switch of working positions.Therefore, the utility model is more simple with respect to prior art structure, and then can save cost, and assembles simple and easy and be easy to use.
Accompanying drawing explanation
Fig. 1 is installation diagram under the utility model earthed switch and isolating switch off-state;
Fig. 2 is the utility model earthed switch and isolating switch off-state schematic diagram;
Fig. 3 is installation diagram under the disconnection of the utility model earthed switch and isolating switch on-state;
Fig. 4 is that the utility model earthed switch disconnects and isolating switch is connected schematic diagram;
Fig. 5 is installation diagram under the connection of the utility model earthed switch and isolating switch off-state;
Fig. 6 is that the utility model earthed switch is connected and isolating switch off-state schematic diagram.
Label declaration
ES bumping post 21 ES clamping stagnation devices 22
Spring 223 DS bumping posts 23
DS clamping stagnation device 24 outer covers 241
Clamping stagnation pearl 242 springs 243
Earthed switch 3 ground connection moving contacts 31
Groove 311 ES support slippers 32
ES trundle 33 isolating switches 4
The interior connecting lever 5 of DS trundle 43
Draw-in groove 51 power transmission shafts 6
Isolate the quiet end 8 of quiet end 7 ground connection.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is elaborated.
Consult shown in Fig. 2, Fig. 4 and Fig. 6, a kind of three position transmission devices that the utility model discloses, comprise housing 1, pedestal 2, earthed switch 3, isolating switch 4 and interior connecting lever 5.
Earthed switch 3 is with the mutual vertical layout setting of isolating switch 4 in pedestal 2, and one of them is along pedestal 2 axial direction settings, and another is along pedestal 2 radial direction settings.
Interior connecting lever 5 is installed in rotation in housing 1, it makes interior connecting lever 5 positive and negative rotations by the transmission mechanism (not shown) being arranged at outside housing 2, select a transmission earthed switch 3 and make its connection with isolating switch 4, or transmission isolating switch 4 and make it connect (as interior connecting lever 5 reversion time) or transmission earthed switch 3 and make it connect (as interior connecting lever 5 forward time); Or earthed switch 3 and isolating switch 4 are all disconnected.
Wherein, earthed switch 3 is comprised of ground connection moving contact 31 and ES support slipper 32, and ES support slipper 32 is arranged on pedestal 2, and ground connection moving contact 31 slides on ES support slipper 32.
Isolating switch 4 is comprised of isolation moving contact 41 and DS support slipper 42, and DS support slipper 42 is arranged on pedestal 2, and isolation moving contact 41 slides on DS support slipper 42.
Ground connection moving contact 31 one end arrange ES trundle 33, and accordingly, isolation moving contact 41 one end arrange DS trundle 43(ES and represent that earthed switch (earthingswitch), DS represent isolating switch (disconnector)).
Interior connecting lever 5 is arranged in housing 1 by power transmission shaft 6, power transmission shaft 6 is by the transmission of outside transmission mechanism (not shown), in the present embodiment, for making interior connecting lever 5 simple in structure and easy for installation, interior connecting lever 5 is designed to " V " font, and its both ends arrange respectively draw-in groove 51, as shown in Figure 1, at earthed switch 3 and isolating switch 4, under off-state, ES trundle 33 and DS trundle 43 snap in respectively in the draw-in groove 51 at interior connecting lever 5 both ends.
In the present embodiment, draw-in groove 51 is " U " type groove for cross section, and the both ends height of U-shaped groove is unequal and form introducing port.As shown in Figure 3, when interior connecting lever 5 forward (counterclockwise), DS trundle 43 snaps in draw-in groove 51 by introducing port, by rotating interior connecting lever 5, makes draw-in groove 51 extruding DS trundles 43, DS trundle 43 promotes 41 motions of isolation moving contact, makes to isolate moving contact 41 and connects with the quiet end 7 of isolation; As shown in Figure 5, when interior connecting lever 5 reversion (clockwise), ES trundle 33 snaps in another draw-in groove 51 by introducing port, by rotating interior connecting lever 5, makes draw-in groove 51 extruding ES trundles 33, ES trundle 33 promotes 41 motions of isolation moving contact, and the quiet end 8 of ground connection moving contact 31 and ground connection is connected.
In order to prevent that in isolating switch 4 connection motion processes, the distance that interior connecting lever 5 drives ground connection moving contacts 31 to move is backward excessive, cause the operation failure of three stations; The utility model arranges ES bumping post 21 and ES clamping stagnation device 22 on pedestal, ES bumping post 21 is positioned at ground connection moving contact 31 axial directions, ES clamping stagnation device 22 is positioned at ground connection moving contact 31 radial direction, under earthed switch off-state, ground connection moving contact 31 arranges trundle 33 one end and is resisted against ES bumping post 21, ES bumping post 21 is positioned at ground connection moving contact 31 axial direction 1mm to 2mm to be located, and ES clamping stagnation device 22 is by ground connection moving contact 31 location.
ES clamping stagnation device 22 is comprised of outer cover 221, clamping stagnation pearl 222 and spring 223, and outer cover 221 is arranged on pedestal 2, and clamping stagnation pearl 222 is placed in outer cover 221, and protrudes from outer cover 221, and spring 223 one end are against clamping stagnation pearl 222, and one end is against outer cover 221; Accordingly, groove 311 is set on ground connection moving contact 31, under ground connection moving contact 31 positioning states, clamping stagnation pearl 222 snaps in groove 311.
Meanwhile, in order to prevent that earthed switch 3 is in connecting motion process, interior connecting lever 5 drives isolation moving contact 41 move distance backward excessive, causes the operation failure of three stations; The utility model arranges DS bumping post 23 and DS clamping stagnation device 24 on pedestal, DS bumping post 23 is positioned at isolation moving contact 41 axial directions, DS clamping stagnation device 24 is positioned at isolation moving contact 42 radial direction, under isolating switch 4 off-states, isolation moving contact 41 arranges trundle 43 one end and is resisted against DS bumping post 23, DS bumping post 23 is positioned at isolation moving contact 41 axial direction 1mm to 2mm to be located, and DS clamping stagnation device 24 will be isolated moving contact 41 location.
DS clamping stagnation device 24 is comprised of outer cover 241, clamping stagnation pearl 242 and spring 243, and outer cover 241 is arranged on pedestal 2, and clamping stagnation pearl 242 is placed in outer cover 241, and protrudes from outer cover 241, and spring 243 one end are against clamping stagnation pearl 242, and one end is against outer cover 241; Accordingly, on isolation moving contact 41, groove 411 is set, under isolation moving contact 41 positioning states, clamping stagnation pearl 243 snaps in groove 411.
In the present embodiment, two draw-in grooves 51 are arranged on interior connecting lever 5, and accordingly, isolation moving contact 41 and ground connection moving contact 31 arrange respectively DS trundle 43 and ES trundle 33.Certainly, also ES trundle and DS trundle can be set respectively on interior connecting lever 5, accordingly, on ground connection moving contact 31 and isolation moving contact 41, draw-in groove is set respectively, ES trundle inserts the draw-in groove transmission ground connection moving contact 31 on ground connection moving contact 31, or DS trundle inserts the draw-in groove transmission isolation moving contact 41 on isolation moving contact 41.
In use, as shown in Figures 1 and 2, the utility model is arranged on three station positions of high voltage switchgear to the utility model, and now, earthed switch 3 and isolating switch 4, all in off-state, are initial condition.Trundle 43 on isolation moving contact 41 is all positioned in the draw-in groove 52 of interior connecting lever 5 with the trundle 33 on ground connection moving contact 31, because outside transmission mechanism is in actionless state, interior connecting lever 5 also remains static, the position of the fixing isolation moving contact 41 of the draw-in groove 51 of connecting lever 5 and ground connection moving contact 31 in utilizing.
As shown in Figures 3 and 4, when isolating switch 4 is positioned at on-position, earthed switch 3 and is positioned at open position, this is normal operating condition.By initial condition, moved to the process of normal operating condition: outside transmission mechanism (not shown) drives power transmission shaft 6, and then in driving, connecting lever 5 rotates counterclockwise; Trundle 43 on isolation moving contact 41 snaps in draw-in groove 51 by introducing port, and the rotation of interior connecting lever 5 will be isolated moving contact 41 toward extrapolation, and isolating switch 4 is connected; Simultaneously, connecting lever 5 also drives ground connection moving contact 31 to move backward, until ground connection moving contact 31 is blocked by ES clamping stagnation device 22, fixedly connects moving contact 31, and now the trundle 33 at ground connection moving contact 31 places is derived by introducing port and departed from interior connecting lever 5.
When tri-station isolating switch 4 disconnects, interior connecting lever 5 clockwise rotates, and drives the quiet end 7 of isolation moving contact 41 and isolation to disconnect, and gets back to initial condition.
As shown in Figures 5 and 6, when isolating switch 4 is positioned at open position, earthed switch 3 and is positioned at on-position, this is inspection earthing state.By initial condition, moved to the process of inspection earthing state: outside transmission mechanism (not shown) drives power transmission shaft 6, and then in driving, connecting lever 5 clockwise rotates; Trundle 33 on ground connection moving contact 31 snaps in the draw-in groove 51 of interior connecting lever 5, and interior connecting lever 5 rotates the past extrapolation of ground connection moving contact 31, and earthed switch 3 is connected; Simultaneously, connecting lever 5 also drives isolation moving contact 4 move backward, until isolation moving contact 41 is blocked by DS clamping stagnation device 24, fixes and isolates moving contact 41, and the trundle 43 of now isolating moving contact 41 places is derived by introducing port and departed from interior connecting lever 5.
When three station grounding switchs 3 disconnect, interior connecting lever 5 rotates counterclockwise, and drives the quiet end 8 of ground connection moving contact 31 and ground connection to disconnect, and gets back to initial condition.
The term positions such as the utility model relevant " up, down, left, right, before and after ", just for convenience of description, not in order to limit the utility model.The foregoing is only an embodiment of the present utility model, the not restriction to this case design, all equivalent variations of doing according to the design key of this case, all fall into the protection range of this case.
Claims (8)
1. three position transmission devices, is characterized in that: comprise housing, pedestal, earthed switch, isolating switch and interior connecting lever; Earthed switch and isolating switch mutually vertical layout setting in pedestal; Interior connecting lever is installed in rotation in housing, selects a transmission earthed switch and isolating switch it is connected, or earthed switch and isolating switch are all disconnected.
2. a kind of three position transmission devices as claimed in claim 1, is characterized in that: earthed switch is comprised of ground connection moving contact and ES support slipper, and ES support slipper is arranged on pedestal, and ground connection moving contact slides on ES support slipper; Isolating switch is by isolating moving contact and DS support slipper forms, and DS support slipper is arranged on pedestal, and isolation moving contact slides on DS support slipper.
3. a kind of three position transmission devices as claimed in claim 2, is characterized in that: ground connection moving contact one end arranges ES trundle, and accordingly, isolation moving contact one end arranges DS trundle; Interior connecting lever is arranged in housing by power transmission shaft, and its both ends arrange respectively draw-in groove, and at earthed switch and isolating switch, under off-state, ES trundle and DS trundle snap in respectively in the draw-in groove at interior connecting lever both ends.
4. a kind of three position transmission devices as claimed in claim 3, is characterized in that: draw-in groove is that cross section is " U " type groove, and the both ends height of U-shaped groove is unequal and form introducing port.
5. a kind of three position transmission devices as claimed in claim 2, it is characterized in that: also comprise ES bumping post and ES clamping stagnation device, be arranged on pedestal, ES bumping post is positioned at ground connection moving contact axial direction, ES clamping stagnation device is positioned at ground connection moving contact radial direction, under earthed switch off-state, ground connection moving contact arranges trundle one end and is resisted against ES bumping post, and ES clamping stagnation device is located ground connection moving contact.
6. a kind of three position transmission devices as claimed in claim 5, is characterized in that: ES clamping stagnation device is comprised of outer cover, clamping stagnation pearl and spring, and outer cover is arranged on pedestal, clamping stagnation pearl is placed in outer cover, and protrude from outer cover, and spring one end is against clamping stagnation pearl, and one end is against outer cover; Accordingly, on ground connection moving contact, groove is set, under ground connection moving contact positioning states, pearl snaps in groove clamping stagnation.
7. a kind of three position transmission devices as claimed in claim 2, it is characterized in that: also comprise DS bumping post and DS clamping stagnation device, it is arranged on pedestal, DS bumping post is positioned at isolation moving contact axial direction, DS clamping stagnation device is positioned at isolation moving contact radial direction, under isolating switch off-state, isolation moving contact arranges trundle one end and is resisted against DS bumping post, and DS clamping stagnation device will be isolated moving contact location.
8. a kind of three position transmission devices as claimed in claim 7, is characterized in that: DS clamping stagnation device is comprised of outer cover, clamping stagnation pearl and spring, and outer cover is arranged on pedestal, clamping stagnation pearl is placed in outer cover, and protrude from outer cover, and spring one end is against clamping stagnation pearl, and one end is against outer cover; Accordingly, on isolation moving contact, groove is set, under isolation moving contact positioning states, pearl snaps in groove clamping stagnation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476320.5U CN203434072U (en) | 2013-08-06 | 2013-08-06 | Three-position transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476320.5U CN203434072U (en) | 2013-08-06 | 2013-08-06 | Three-position transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434072U true CN203434072U (en) | 2014-02-12 |
Family
ID=50063096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320476320.5U Expired - Fee Related CN203434072U (en) | 2013-08-06 | 2013-08-06 | Three-position transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426678A (en) * | 2013-08-06 | 2013-12-04 | 国家电网公司 | Three-position transmission device |
| WO2022062210A1 (en) * | 2020-09-24 | 2022-03-31 | 河南平高电气股份有限公司 | Static end assembly and disconnecting and earthing switch |
-
2013
- 2013-08-06 CN CN201320476320.5U patent/CN203434072U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426678A (en) * | 2013-08-06 | 2013-12-04 | 国家电网公司 | Three-position transmission device |
| CN103426678B (en) * | 2013-08-06 | 2017-02-01 | 国家电网公司 | Three-position transmission device |
| WO2022062210A1 (en) * | 2020-09-24 | 2022-03-31 | 河南平高电气股份有限公司 | Static end assembly and disconnecting and earthing switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140212 Termination date: 20190806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |