CN206864345U - Anti-misoperation ring main unit - Google Patents
Anti-misoperation ring main unit Download PDFInfo
- Publication number
- CN206864345U CN206864345U CN201720455970.XU CN201720455970U CN206864345U CN 206864345 U CN206864345 U CN 206864345U CN 201720455970 U CN201720455970 U CN 201720455970U CN 206864345 U CN206864345 U CN 206864345U
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- CN
- China
- Prior art keywords
- cam
- main unit
- load switch
- ring main
- switch
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- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a kind of anti-misoperation ring main unit, including earthed switch, the on-load switch below the earthed switch, wherein, the ring main unit also includes：For realizing the interlocking gear of door linkage under the earthed switch, the on-load switch disconnecting link, ring main unit；On-load switch, earthed switch and the combined operation of Xiamen are realized in the cooperation of isolation switch operation panel, cam, link assembly and inserted link, jack structure that the utility model passes through the interlocking gear.The utility model is by setting the combined floodgate or separating brake that a handle hole is achievable on-load switch and earthed switch, it is simple to operate, avoid simultaneously when on-load switch is in closing position, human factor opens the lower door-plate of ring main unit, so as to avoid personnel from can contact powered position, prevent the generation of personnel's electric shock accidents, and cost is low, is easily installed and dismantles.
Description
Technical field
Switching equipment technology is the utility model is related to, is specifically related to a kind of anti-misoperation ring main unit.
Background technology
Ring main unit is that one group of high-tension switch gear is mounted in steel sheet metal cabinet or made assembled compartment ring network power supply list
The electrical equipment of member, on-load switch and earthed switch are the main element of ring main unit, are widely used in ring main unit, on-load switch
In major loop, for disjunction rated current and short circuit current is closed, earthed switch is used for the reliable ground of major loop, load
The maloperation harm switched with earthed switch is very big, easily causes the short trouble of supply line, destroys electric power system stability,
And the personal safety to maintainer forms harm, in addition, in the prior art, when ring main unit load switch is in closing position
When, human factor can open the door-plate of cable vault, and personnel can contact powered position, easily cause personnel's electric shock accidents to be sent out
It is raw.
Utility model content
In order to solve problem above, the utility model provides following technical scheme：
A kind of anti-misoperation ring main unit, including earthed switch, the on-load switch below the earthed switch, wherein,
The ring main unit also includes：For realizing the chain machine of door linkage under the earthed switch, the on-load switch disconnecting link, ring main unit
Structure；
The interlocking gear includes
Fixed plate；
Load switch operation plate, is installed in rotation in the fixed plate, its one end and the disconnecting link of the on-load switch
Movably connect, the load switch operation plate drives the load to open when being turned an angle (α) relative to the fixed plate
Close disconnecting link point or close；
Cam, setting and another angle (β) that staggers between each other are rotated coaxially with the load switch operation plate, it is described convex
Combined operation portion is formed between wheel and the load switch operation plate, the cam is suitable to rotating another angle (β)
The load switch operation plate is driven to rotate by the combined operation portion afterwards；
Link assembly, including pull bar, linkage board, connecting rod, the pull bar are horizontally disposed with the fixed plate, and it first
End is movably connected with the cam, and the second end and the first end of the linkage board are rotatablely connected, and the connecting rod is perpendicular to described
Fixed plate, its first end and the second end of the linkage board are rotatablely connected, and the second end is rotatablely connected with the earthed switch disconnecting link,
When the cam rotates in the range of another angle (β), the pull bar drives under the promotion or pulling of the cam
Dynamic connecting rod action is described to connect described in the cam rotation during another angle (β) to control the disconnecting link of the earthed switch to close or divide
After the disconnecting link of ground switch separately acts in place, the cam disengages with the pull bar；
Inserted link, the inserted link are fixedly connected with the first end of the connecting rod；
Jack, the jack are fixed on the top of ring main unit Xiamen, and the inserted link can be inserted into jack structure.
Further, the interlocking gear also includes setting with the cam linkage to drive the manual of the cam rotation
Lever.
Further, the on-load switch is fanning strip.
Further, the linkage board, in inverted " L " type, it includes vertical connecting lever and anyhow connecting lever, described to turn vertically
Arm is rotatablely connected with the end of pull bar second, and the connecting lever anyhow is rotatablely connected with the connecting rod first end, described to turn vertically
The junction of arm and the connecting lever anyhow, which is fixed, to be hinged in the fixed plate.
Further, the α is 90o, and the β is 45o.
Further, the combined operation portion includes being molded over stirring projection and being molded over described for the cam one end
On load switch operation plate and with it is described stir male cooperation stir stopper.
Beneficial effect：A kind of anti-misoperation ring main unit provided in the utility model, passes through the isolation of the interlocking gear
On-load switch, earthed switch and Xiamen are realized in the cooperation of switch operation plate, cam, link assembly and inserted link, jack structure
Combined operation.It is simple to operate by setting the combined floodgate or separating brake that a handle hole is achievable on-load switch and earthed switch, together
When avoid when on-load switch is in closing position, human factor open ring main unit lower door-plate, so as to avoid personnel from connecing
Powered position is contacted, prevents the generation of personnel's electric shock accidents, and cost is low, is easily installed and dismantles.
Brief description of the drawings
Fig. 1 lays down structural representation behind the door for a kind of anti-misoperation ring main unit provided by the utility model；
Fig. 2 is a kind of structural representation of the interlocking gear of anti-misoperation ring main unit provided by the utility model.
Embodiment
The utility model is described further with reference to embodiment, but the utility model is not limited to following implementation
Example.
As shown in Figure 1, 2, the utility model provides a kind of anti-misoperation ring main unit, including earthed switch 16, located at institute
On-load switch, the ring main unit Xiamen 20 of the lower section of earthed switch 16 are stated, wherein, the ring main unit also includes：For realizing described connect
The interlocking gear 10 that ground switch 16, the on-load switch disconnecting link, ring main unit Xiamen 20 are linked；The interlocking gear 10 includes fixing
Plate 18；Load switch operation plate 17, it is installed in rotation in the fixed plate 18, its one end and the disconnecting link of the on-load switch
Movably connect, the load switch operation plate 17 drives described negative when being turned an angle (α) relative to the fixed plate 18
Lotus switch tool point closes；Cam 11, rotated coaxially with the load switch operation plate 17 and set and stagger between each other another
Angle (β), forms combined operation portion between the cam 11 and the load switch operation plate 17, the cam 11 is suitable to
Rotated after rotating another angle (β) by the combined operation portion drive load switch operation plate 17；15 groups of connecting rod
Part, including pull bar 12, linkage board 13, connecting rod 15, the pull bar 12 and the fixed plate 18 are horizontally disposed, its first end with
The cam 11 is movably connected, and the second end and the first end of the linkage board 13 are rotatablely connected, and the connecting rod 15 is perpendicular to institute
Fixed plate 18 is stated, its first end and the second end of the linkage board 13 are rotatablely connected, the second end and the disconnecting link of earthed switch 16
Rotation connection, when the cam 11 rotates in the range of another angle (β), the pull bar 12 is in the cam 11
Promote or pull lower drive link 15 to act to control the disconnecting link of the earthed switch 16 to close or divide, the cam 11 rotates described
During another angle (β), after the disconnecting link of the earthed switch 16 separately acts in place, the cam 11 departs from the pull bar 12
Contact；Inserted link 14, the inserted link 14 are fixedly connected with the first end of the connecting rod 15；Jack 19, the jack 19 are fixed on ring
The top of net cabinet Xiamen 20, the inserted link 14 can be inserted into the structure of jack 19.
The setting of the interlocking gear 10 realizes the on-load switch, the earthed switch 16, the ring main unit Xiamen
20 combined operation, the on-load switch and earthed switch 16 for solving ring main unit of the prior art have mechanical interlocking but not linked
The problem of, the operation to the on-load switch and earthed switch 16 is simplified, while ensure that only when earthed switch 16 is closing
After conjunction, ring main unit Xiamen 20 could be opened, is avoided when switch is in combined floodgate, human factor opens the door-plate of cable vault, so as to
Avoid personnel from can contact powered position, prevent the generation of personnel's electric shock accidents.
Preferably, the certain angle α is 90 °, and another angle beta is 45 °, and selectively, the certain angle α can
To be arranged to other angles, such as 70 °, 80 ° or 100 °, another angle beta it can also be provided that other angles, such as 40 °,
50 ° or 60 ° etc..
In the present embodiment, in order to further improve to the on-load switch, the earthed switch 16, ring main unit Xiamen
20 operating efficiency, the interlocking gear 10, which also includes linking with the cam 11, to be set to drive the hand that the cam 11 rotates
Dynamic lever (not shown), the end of the manually operated handle is square, is inserted into the form of gap coordinates described convex
Take turns the square groove 111 with the matching ends of the manually operated handle of 11 surface formings.The manually operated handle with it is described convex
The fixed form of wheel 11 can also use other alternative modes.
Further, the on-load switch is fanning strip.
Further, the linkage board 13, in inverted " L " type, it includes vertical connecting lever 131 and anyhow connecting lever 132, institute
State vertical connecting lever 131 to be rotatablely connected with the end of pull bar 12 second, the connecting lever anyhow 132 turns with the first end of connecting rod 15
The junction of dynamic connection, the vertical connecting lever 131 and the connecting lever anyhow 132, which is fixed, to be hinged in the fixed plate 18.
Further, the combined operation portion, which includes being molded over stirring for the one end of cam 11, projection and is molded over institute
State on load switch operation plate 17 and with it is described stir male cooperation stir stopper.
Closing operation：
As shown in figure 1, the cam 11, which is in, rotates front position (at the manually operated handle in fig. 2 at B location), institute
State earthed switch 16 and be in closure state (A ' opening positions in fig. 2 at the earthed switch 16), rotate clockwise described manual
Operation handle, the cam 11 rotate clockwise together, and during the cam 11 rotates clockwise 45 °, the cam 11 pushes away
Move the pull bar 12 compound motion that moves right and rotate counterclockwise, the pull bar 12 away from the cam 11 one
End is movably articulated on the vertical connecting lever of the linkage board 13, and the pull bar 12 promotes the linkage board 13 around institute by the end
The junction for stating vertical connecting lever and the connecting lever anyhow rotates, and the connecting lever anyhow rotates down clockwise promotes the connecting rod 15
Moving down, the connecting rod 15 drives the inserted link 14 to move downward, when the cam 11 rotates 45 °, the band of connecting rod 15
The disconnecting link for moving the earthed switch 16 separates (disconnecting link of earthed switch 16 is in B ' positions), and the inserted link 14 inserts jack 19
In, ring main unit Xiamen 20 can not open.
Continue to rotate clockwise the manually operated handle, the cam 11 is rotated clockwise to depart from the pull bar 12 and connect
Touch, the cam 11 continues along rotating clockwise, and the projection of stirring of the cam 11 promotes the load switch operation plate
Stopper is stirred described on 17, the load switch operation plate 17 drives the direction that the disconnecting link of the on-load switch closes along disconnecting link
Motion, when the cam 11 rotates described 90 °, (the manually operated handle is in A positions to the disconnecting link closure of the on-load switch
Put), now the earthed switch 16 is still in disconnecting link separated position (disconnecting link of earthed switch 16 is in B ' positions).
Sub-switching operation：
The Manual operation handle is rotated counterclockwise, the cam 11 rotates counterclockwise together, the Manual operation handle inverse time
When pin rotates 90 °, the cam 11 stir it is raised pull the described of the load switch operation plate 17 to stir stopper, described in drive
Load switch operation plate 17 rotates counterclockwise 90 °, and now the disconnecting link of the on-load switch separates, the disconnecting link of the earthed switch 16
Still it is in separated position (disconnecting link of earthed switch 16 is in B ' positions).
Continue to rotate counterclockwise the Manual operation handle, the described of the cam 11 stirs the raised and on-load switch
Stopper is stirred described in switch operation plate to disengage, the cam 11 contacts connection with the pull bar 12, when counterclockwise turns
During 45 ° of the dynamic Manual operation handle, the cam 11 is reset to combined floodgate and rotates front position, and the pull bar 12 drives described
Dynamic plate 13 rotates counterclockwise, and the connecting lever anyhow of the linkage board 13 drives the connecting rod 15 to move up, and the connecting rod 15 drives
The inserted link 14 moves upwards, and the connecting rod 15 drives the disconnecting link of the earthed switch 16 to close the (disconnecting link of earthed switch 16
It is in A ' positions), now the disconnecting link of the on-load switch is in separated position (the manually operated handle is in B location), described
Inserted link 14 is inserted in jack 19, and ring main unit Xiamen 20 can open.
Further, the inserted link 14 can move up and down about 20mm.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help and understand device of the present utility model and its core concept；Meanwhile for the general technology of this area
Personnel, according to thought of the present utility model, there will be changes in specific embodiments and applications, in summary,
This specification content should not be construed as to limitation of the present utility model.
Claims (6)
1. a kind of anti-misoperation ring main unit, including earthed switch, the on-load switch below the earthed switch, wherein, institute
Stating ring main unit also includes：For realizing the chain machine of door linkage under the earthed switch, the on-load switch disconnecting link, ring main unit
Structure；
The interlocking gear includes
Fixed plate；
Load switch operation plate, is installed in rotation in the fixed plate, and its one end and the disconnecting link of the on-load switch are movable
Ground connects, and the load switch operation plate drives the on-load switch knife when being turned an angle (α) relative to the fixed plate
Lock point closes；
Cam, with the load switch operation plate rotate coaxially setting and another angle (β) that staggers between each other, the cam with
Combined operation portion is formed between the load switch operation plate, the cam is suitable to afterwards lead in rotation another angle (β)
Crossing the combined operation portion drives the load switch operation plate to rotate；
Link assembly, including pull bar, linkage board, connecting rod, the pull bar are horizontally disposed with the fixed plate, its first end with
The cam is movably connected, and the second end and the first end of the linkage board are rotatablely connected, and the connecting rod is perpendicular to the fixation
Plate, its first end and the second end of the linkage board are rotatablely connected, and the second end is rotatablely connected with the earthed switch disconnecting link, works as institute
When stating cam and being rotated in the range of another angle (β), pull bar company of driving under the promotion or pulling of the cam
Bar action is to control the disconnecting link of the earthed switch to close or divide, and described in the cam rotation during another angle (β), the ground connection is opened
After the disconnecting link of pass separately acts in place, the cam disengages with the pull bar；
Inserted link, the inserted link are fixedly connected with the first end of the connecting rod；
Jack, the jack are fixed on the top of ring main unit Xiamen, and the inserted link can be inserted into jack structure.
2. anti-misoperation ring main unit as claimed in claim 1, wherein, the interlocking gear also includes setting with the cam linkage
Put to drive the manually operated handle of the cam rotation.
3. anti-misoperation ring main unit as claimed in claim 1, wherein, the on-load switch is fanning strip.
4. anti-misoperation ring main unit as claimed in claim 1, wherein, the linkage board, in inverted " L " type, it includes perpendicular
Straight connecting lever and anyhow connecting lever, the vertical connecting lever are rotatablely connected with the end of pull bar second, the connecting lever anyhow and the company
Bar first end is rotatablely connected, and the junction of the vertical connecting lever and the connecting lever anyhow, which is fixed, to be hinged in the fixed plate.
5. anti-misoperation ring main unit as claimed in claim 1, wherein, the α is 90 °, and the β is 45 °.
6. anti-misoperation ring main unit as claimed in claim 1, wherein, the combined operation portion includes being molded over the cam one
End stir projection and be molded on the load switch operation plate and with it is described stir male cooperation stir stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455970.XU CN206864345U (en) | 2017-04-27 | 2017-04-27 | Anti-misoperation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455970.XU CN206864345U (en) | 2017-04-27 | 2017-04-27 | Anti-misoperation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206864345U true CN206864345U (en) | 2018-01-09 |
Family
ID=60822209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720455970.XU Expired - Fee Related CN206864345U (en) | 2017-04-27 | 2017-04-27 | Anti-misoperation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206864345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146722A (en) * | 2017-04-27 | 2017-09-08 | 北京华通恒盛电气设备有限公司 | Anti-misoperation ring main unit |
-
2017
- 2017-04-27 CN CN201720455970.XU patent/CN206864345U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146722A (en) * | 2017-04-27 | 2017-09-08 | 北京华通恒盛电气设备有限公司 | Anti-misoperation ring main unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20210427 |