CN207800417U - The mechanical interlocks and ring main unit of ring main unit - Google Patents
The mechanical interlocks and ring main unit of ring main unit Download PDFInfo
- Publication number
- CN207800417U CN207800417U CN201820204236.0U CN201820204236U CN207800417U CN 207800417 U CN207800417 U CN 207800417U CN 201820204236 U CN201820204236 U CN 201820204236U CN 207800417 U CN207800417 U CN 207800417U
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- main unit
- ring main
- drive link
- earthing switch
- switch
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Abstract
The utility model discloses a kind of mechanical interlocks of ring main unit, includes in front of the handler, for the first interlocking mechanism of the disconnecting switch and earthing switch on/off switch；First interlocking mechanism includes：Operation panel offers isolator operation hole and earthing switch handle hole on the operation panel；The isolator operation hole and earthing switch handle hole are respectively arranged below with the first sliding groove and second sliding slot of vertical direction, and the first drive link is equipped in the first sliding groove, the second drive link is equipped in the second sliding slot；Slide damper, for the slide damper between first drive link and second drive link, the width of the slide damper is more than the distance between the isolator operation hole and earthing switch handle hole.The structure of the mechanical interlocks of the utility model ring main unit is simple, installs and safeguards that more convenient and safety is higher.In addition, a kind of ring main unit is also disclosed in the utility model.
Description
Technical field
The utility model is related to power distribution cabinet technical fields, and in particular to a kind of mechanical interlocks and looped network of ring main unit
Cabinet.
Background technology
In field of electrical equipment, there are many forms and structure of ring main unit.Since ring main unit is usually and external transmission of electricity
Line connects, and voltage is higher, when repairing operation, needs breaker and disconnecting switch disjunction to cut off the power, then will connect
Ground switch closes a floodgate, to ensure the safety of service personnel and equipment.Breaker, disconnecting switch and earthing switch in order to prevent
Maloperation, designer devise a variety of misoperation-proof mechanisms.But current misoperation-proof mechanism, complicated, reliability is low,
And the installation and maintenance of misoperation-proof mechanism are inconvenient.However, in maintenance process, part staff occurs because of maloperation
Safety accident.Such as, after looped network cabinet breaker disconnects, staff first carries out closing operation to earthing switch, then to keeping apart
Put row sub-switching operation into；Or after the completion of maintenance, staff first carries out closing operation to disconnecting switch, then to earthing switch
Carry out sub-switching operation.
Utility model content
The main purpose of the utility model is that propose a kind of mechanical interlocks of ring main unit, it is existing anti-error to solve
Operating mechanism it is complicated, and install and safeguard inconvenient technical problem.
In order to solve the above technical problems, the utility model proposes a kind of mechanical interlocks of ring main unit, the ring main unit
Disconnecting switch handler including control cabinet and in the control cabinet and earthing switch handler, and it is set to the control
Breaker below case, the mechanical interlocks include being set in front of the handler, being used for the disconnecting switch and ground connection
Switch the first interlocking mechanism of on/off switch；First interlocking mechanism includes：
Operation panel, offer on the operation panel it is corresponding with the disconnecting switch handler, earthing switch handler every
It leaves and closes handle hole and earthing switch handle hole；The isolator operation hole and earthing switch handle hole are respectively arranged below with perpendicular
Histogram to the first sliding groove and second sliding slot, be equipped in the first sliding groove be sequentially connected with the disconnecting switch handler,
And it can be equipped in the first drive link that the first sliding groove moves up and down, the second sliding slot and be rotated with the earthing switch
Handle is sequentially connected and can be along the second drive link that the second sliding slot moves up and down；
Slide damper, the slide damper are set on the inside of the operation panel and positioned at first drive link and described the
Between two drive links, the width of the slide damper be more than between the isolator operation hole and earthing switch handle hole away from
From；When the disconnecting switch is in "on" position, first drive link moves up so that the slide damper blocks the ground connection
Switching manipulation hole；When the earthing switch is in "on" position, second drive link moves up so that the slide damper blocks
The isolator operation hole.
Preferably, first interlocking mechanism further includes disconnecting switch pressure holding component, and the disconnecting switch presses component packet
The first pull rod for including the first babinet and being arranged through first babinet, first pull rod are connect with first drive link,
The first elastic component is equipped between first drive link and the bottom plate of first babinet.
Preferably, first interlocking mechanism further includes earthing switch pressure holding component, and the earthing switch presses component packet
The second pull rod for including the second babinet and being arranged through second babinet, second pull rod are connect with second drive link,
The second elastic component is equipped between second drive link and the bottom plate of second babinet.
Preferably, the disconnecting switch state instruction piece being connect with first drive link is respectively equipped on the operation panel,
And the earthing switch state instruction piece being connect with second drive link.
Preferably, the mechanical interlocks of the ring main unit further include for the breaker with it is described keep apart close point
Second interlocking mechanism of lock, second interlocking mechanism include the fixing bracket being set to above first babinet, run through described
Third pull rod, linkage board and the transmission shaft of fixing bracket and the setting of the first babinet；The transmission shaft is connect with the breaker, institute
Linkage board one end and the transmission axis connection are stated, the other end is hinged with third pull rod lower end；Third pull rod upper end connects
It is connected to and turns plate for blocking the first of the isolator operation hole, the fixing bracket and described first, which are turned, is equipped with the between plate
Three elastic components；When the breaker open operation, described first turn plate rise under the action of the third elastic component it is described to expose
Disconnecting switch handler.
Preferably, the mechanical interlocks of the ring main unit further includes closing to divide with the earthing switch for the breaker
The third interlocking mechanism of lock, the third interlocking mechanism include through second babinet setting four-pull-rod, the described 4th
The upper end of pull rod is connected with turns plate for blocking the second of the earthing switch handle hole, and described second turns plate and second case
The 4th elastic component is equipped between body；Four-pull-rod lower end is equipped with pressing down section and is turned described second when the pressing down section pushes
Plate is pulled down to expose the earthing switch handler.
Preferably, first elastic component, the second elastic component, third elastic component and the 4th elastic component are compressed spring.
The utility model includes the mechanical interlocks of above-mentioned ring main unit, the ring it is further proposed that a kind of ring main unit
The mechanical interlocks of net cabinet includes being set in front of the handler, for the of the disconnecting switch and earthing switch on/off switch
One interlocking mechanism；First interlocking mechanism includes：
Operation panel, offer on the operation panel it is corresponding with the disconnecting switch handler, earthing switch handler every
It leaves and closes handle hole and earthing switch handle hole；The isolator operation hole and earthing switch handle hole are respectively arranged below with perpendicular
Histogram to the first sliding groove and second sliding slot, be equipped in the first sliding groove be sequentially connected with the disconnecting switch handler,
And it can be equipped in the first drive link that the first sliding groove moves up and down, the second sliding slot and be rotated with the earthing switch
Handle is sequentially connected and can be along the second drive link that the second sliding slot moves up and down；
Slide damper, the slide damper are set on the inside of the operation panel and positioned at first drive link and described the
Between two drive links, the width of the slide damper be more than between the isolator operation hole and earthing switch handle hole away from
From；When the disconnecting switch is in "on" position, first drive link moves up so that the slide damper blocks the ground connection
Switching manipulation hole；When the earthing switch is in "on" position, second drive link moves up so that the slide damper blocks
The isolator operation hole.
Preferably, the ring main unit further include be set to the ring main unit below control door, the control door equipped with
The compatible protrusion of pressing down section.
The utility model on the inside of operation panel by being arranged a slide damper, to block the isolator operation on operation panel
Hole or earthing switch handle hole.When disconnecting switch is in "on" position, the first drive link moves up so that slide damper blocks connects
Ground switching manipulation hole；When earthing switch is in "on" position, the second drive link moves up so that slide damper blocks disconnecting switch
Handle hole.In this way, passing through the interlocking fit between slide damper, the first drive link and the second drive link, it is ensured that service personnel and
The safety of equipment.The structure of the mechanical interlocks of the utility model ring main unit is simple, installs and safeguards more convenient and safe
Property is higher.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of mechanical interlocks of the utility model ring main unit；
Fig. 2 is the structural schematic diagram of another embodiment of mechanical interlocks of the utility model ring main unit；
Fig. 3 is the structural schematic diagram of the another embodiment of mechanical interlocks of the utility model ring main unit；
Fig. 4 is the structural schematic diagram of the mechanical interlocks another embodiment of the utility model ring main unit；
The structural schematic diagram of one embodiment of Fig. 5 the utility model ring main unit.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Control cabinet | 110 | Disconnecting switch handler |
| 120 | Earthing switch handler | 130 | Breaker |
| 200 | Operation panel | 210 | Isolator operation hole |
| 220 | Earthing switch handle hole | 230 | The first sliding groove |
| 231 | First drive link | 240 | Second sliding slot |
| 241 | Second drive link | 250 | Disconnecting switch state instruction piece |
| 260 | Earthing switch state instruction piece | 300 | Slide damper |
| 400 | Disconnecting switch presses component | 410 | First babinet |
| 420 | First pull rod | 430 | First elastic component |
| 500 | Earthing switch presses component | 510 | Second babinet |
| 520 | Second pull rod | 530 | Second elastic component |
| 600 | Fixing bracket | 610 | Third pull rod |
| 620 | Linkage board | 630 | Transmission shaft |
| 640 | First turns plate | 650 | Third elastic component |
| 700 | Four-pull-rod | 710 | Second turns plate |
| 720 | 4th elastic component | 730 | Pressing down section |
| 800 | Control door |
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation, be based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Fig. 1 to 5, the utility model proposes ring main unit mechanical interlocks, ring main unit includes control cabinet 100
And the disconnecting switch handler 110 in control cabinet 100 and earthing switch handler 120, and set on 100 lower section of control cabinet
Breaker 130, mechanical interlocks include be set to handler in front of, for the first of disconnecting switch and earthing switch on/off switch
Interlocking mechanism；First interlocking mechanism includes：
Operation panel 200 offers on operation panel 200 corresponding with disconnecting switch handler 110, earthing switch handler 120
Isolator operation hole 210 and earthing switch handle hole 220；Under isolator operation hole 210 and earthing switch handle hole 220
Side is respectively equipped with the first sliding groove 230 and second sliding slot 240 of vertical direction, is equipped in the first sliding groove 230 and turns with disconnecting switch
The first drive link 231 that handle 110 is sequentially connected and can be moved up and down along the first sliding groove 230 is moved, is equipped in second sliding slot 240
The second drive link 241 for being sequentially connected and being moved up and down along second sliding slot 240 with earthing switch handler 120；
Slide damper 300, slide damper 300 are set to 200 inside of operation panel and are passed positioned at the first drive link 231 and second
Between lever 241, the width of slide damper 300 be more than between isolator operation hole 210 and earthing switch handle hole 220 away from
From；When disconnecting switch is in "on" position, the first drive link 231 moves up so that slide damper 300 blocks earthing switch handle hole
220；When earthing switch is in "on" position, the second drive link 241 moves up so that slide damper 300 blocks isolator operation hole
210。
The utility model by the way that a slide damper 300 is arranged in the inside of operation panel 200, with block on operation panel 200 every
It leaves and closes handle hole 210 or earthing switch handle hole 220.When disconnecting switch is in "on" position, the first drive link 231 moves up
So that slide damper 300 blocks earthing switch handle hole 220；When earthing switch is in "on" position, on the second drive link 241
It moves so that slide damper 300 blocks isolator operation hole 210.In this way, passing through slide damper 300, the first drive link 231 and
Interlocking fit between two drive links 241, it is ensured that the safety of service personnel and equipment.The mechanical interlocking of the utility model ring main unit
The structure of device is simple, installs and safeguards that more convenient and safety is higher.
In one preferred embodiment of the utility model, the first interlocking mechanism further includes disconnecting switch pressure holding component 400, isolation
Switch pressure holding component 400 includes the first babinet 410 and the first pull rod 420 through the setting of the first babinet 410, the first pull rod 420
It is connect with the first drive link 231, the first elastic component 430 is equipped between the first drive link 231 and the bottom plate of the first babinet 410.Ring
When net cabinet power transmission, disconnecting switch is in "on" position, and the first drive link moves up so that slide damper 300 blocks earthing switch operation
Hole 220, and earthing switch is in gate-dividing state.In the present embodiment, 110 lower section of disconnecting switch handler is equipped with an isolation cam,
When disconnecting switch is in "on" position, cam is not contacted with disconnecting switch handler 110；When disconnecting switch is in gate-dividing state,
Cam is contacted with disconnecting switch handler 110.It, need to be by slide damper 300 if staff need to carry out power-off maintenance to ring main unit
It is moved towards 220 direction of earthing switch handle hole to expose isolator operation hole 210；At this point, staff's engagement tool rotates
Disconnecting switch handler 110, so that isolation cam pressure holding is in 420 upper end of the first pull rod, the first pull rod 420 is in the first elastic component
It is pushed under the action of 430, and the first drive link 231 being connect with the first pull rod 420 is driven to move down.After disconnecting switch separating brake, side
Operable earthing switch.It so, it is possible the effectively safety of guarantee service personnel and equipment.
In another preferred embodiment of the utility model, the first interlocking mechanism further includes earthing switch pressure holding component 500, is connect
Ground switch pressure holding component 500 includes the second babinet 510 and the second pull rod 520 through the setting of the second babinet 510, the second pull rod
520 connect with the second drive link 241, and the second elastic component 530 is equipped between the second drive link 241 and the bottom plate of the second babinet 510.
In the present embodiment, 120 lower section of earthing switch handler is also equipped with a ground connection cam.After the completion of ring main unit maintenance, staff needs
Slide damper 300 is moved towards 210 direction of isolator operation hole to expose earthing switch handle hole 220；At this point, staff
Engagement tool rotates earthing switch handler 120, so that ground connection cam pressure holding is in 520 upper end of the second pull rod, the second pull rod 520 exists
It is pushed under the action of second elastic component 530, and the second drive link 241 being connect with the second pull rod 520 is driven to move down.Earthing switch
It, can disconnecting switch operation after separating brake.It so, it is possible the effectively safety of guarantee service personnel and equipment.
In the utility model another embodiment, it is respectively equipped on operation panel 200 and connect with the first drive link 231
Disconnecting switch state instruction piece 250, and the earthing switch state instruction piece 260 that is connect with the second drive link 241.The present embodiment
In, " dividing ", " conjunction " mark are both provided on disconnecting switch state instruction piece 250 and earthing switch state instruction piece 260, work people
Member after rotation disconnecting switch handler 110 or earthing switch handler 120, open by disconnecting switch state instruction piece 250 and ground connection
Off status indicating piece 260 can show disconnecting switch and the corresponding opening and closing state of earthing switch.
In the another preferred embodiment of the utility model, the mechanical interlocks of ring main unit further includes being used for breaker 130
With the second interlocking mechanism of disconnecting switch on/off switch, the second interlocking mechanism includes the fixing bracket for being set to 410 top of the first babinet
600, third pull rod 610, linkage board 620 and the transmission shaft 630 being arranged through fixing bracket 600 and the first babinet 410；Transmission shaft
630 connect with breaker 130, and 620 one end of linkage board is connect with transmission shaft 630, and the other end is hinged with 610 lower end of third pull rod；
610 upper end of third pull rod is connected with turns plate 640, fixing bracket 600 and first for blocking the first of isolator operation hole 210
It turns and is equipped with third elastic component 650 between plate 640；When 130 separating brake of breaker, first turns effect of the plate 640 in third elastic component 650
Lower rising is to expose disconnecting switch handler 110.When breaker closing, linkage board 620 is driven to pull down by transmission shaft 630, connection
Movable plate 620 then drives to pull down with its hinged third pull rod 610 and be turned under plate 640 with connect 610 upper end of third pull rod first
Drop avoids staff when breaker 130 is in "on" position to block isolator operation hole 210, rotation isolation
Handler 110 is switched, safety accident occurs.When breaker open operation, third pull rod 610 under the action of third elastic component 650 on
Certain altitude is risen to expose isolator operation hole 210.
In the another preferred embodiment of the utility model, the mechanical interlocks of ring main unit further includes being used for breaker 130
With the third interlocking mechanism of earthing switch on/off switch, third interlocking mechanism includes the four-pull-rod through the setting of the second babinet 510
700, the upper end of four-pull-rod 700 is connected with turns plate 710 for blocking the second of earthing switch handle hole 220, and second turns plate 710
The 4th elastic component 720 is equipped between the second babinet 510；700 lower end of four-pull-rod is equipped with pressing down section 730, and pressing down section 730 pushes
When, the drop-down of plate 710 is turned to expose earthing switch handler 120 by second.
The utility model it is further proposed that a kind of ring main unit include ring main unit mechanical interlocks, the machine of the ring main unit
The concrete structure of tool interlock is with reference to above-described embodiment, since this ring main unit uses all technologies of above-mentioned all embodiments
Scheme, therefore at least whole technique effects caused by the technical solution with above-described embodiment, this is no longer going to repeat them.
In the above-described embodiments, ring main unit further includes the control door 800 being set to below, and control door 800 is equipped with under
730 compatible protrusion of splenium.In the present embodiment, when breaker 130 control door 800 in the open state, protrusion under
Splenium 730 does not contact, and second, which turns plate 710, blocks earthing switch handle hole 220, and staff can not rotate earthing switch handler
120；When controlling door 800 in the closure state, protrusion coordinates with pressing down section, and four-pull-rod 700 is pulled down and is opened with exposing ground connection
Handle hole 220 is closed, and then rotates earthing switch handler 120 to complete the sub-switching operation of earthing switch.
Above-described is only the part of the utility model or preferred embodiment, and either word or attached drawing all cannot be because
The range of this limitation the utility model protection utilizes the utility model under every design with one entirety of the utility model
Equivalent structure transformation made by specification and accompanying drawing content, or directly/be used in other related technical areas indirectly and include
In the range of the utility model is protected.
Claims (9)
1. a kind of mechanical interlocks of ring main unit, the ring main unit includes control cabinet and keeping apart in the control cabinet
Close handler and earthing switch handler, and the breaker below the control cabinet, which is characterized in that the machinery connection
Locking device includes being set in front of the handler, for the first interlocking mechanism of the disconnecting switch and earthing switch on/off switch；
First interlocking mechanism includes：
Operation panel, offers on the operation panel and the disconnecting switch handler, earthing switch handler is corresponding keeps apart
Close handle hole and earthing switch handle hole；The isolator operation hole and earthing switch handle hole are respectively arranged below with vertical side
To the first sliding groove and second sliding slot, be equipped in the first sliding groove and be sequentially connected with the disconnecting switch handler and can
The first drive link moved up and down along the first sliding groove, is equipped in the second sliding slot and the earthing switch handler passes
Dynamic connection and can be along the second drive link that the second sliding slot moves up and down；
Slide damper, the slide damper are set on the inside of the operation panel and are passed positioned at first drive link and described second
Between lever, the width of the slide damper is more than the distance between the isolator operation hole and earthing switch handle hole；
When the disconnecting switch is in "on" position, first drive link moves up so that the slide damper blocks the earthing switch
Handle hole；When the earthing switch is in "on" position, second drive link move up so that the slide damper block it is described
Isolator operation hole.
2. the mechanical interlocks of ring main unit as described in claim 1, which is characterized in that first interlocking mechanism further includes
Disconnecting switch presses component, disconnecting switch pressure holding component include the first babinet and be arranged through first babinet first
Pull rod, first pull rod are connect with first drive link, between first drive link and the bottom plate of first babinet
Equipped with the first elastic component.
3. the mechanical interlocks of ring main unit as claimed in claim 2, which is characterized in that first interlocking mechanism further includes
Earthing switch presses component, earthing switch pressure holding component include the second babinet and be arranged through second babinet second
Pull rod, second pull rod are connect with second drive link, between second drive link and the bottom plate of second babinet
Equipped with the second elastic component.
4. the mechanical interlocks of ring main unit as claimed in claim 3, which is characterized in that be respectively equipped on the operation panel with
The disconnecting switch state instruction piece of first drive link connection, and the earthing switch state that is connect with second drive link
Indicating piece.
5. the mechanical interlocks of ring main unit as claimed in claim 4, which is characterized in that further include for the breaker with
Second interlocking mechanism of the disconnecting switch on/off switch, second interlocking mechanism include being set to consolidating above first babinet
Fixed rack, third pull rod, linkage board and the transmission shaft being arranged through the fixing bracket and the first babinet；The transmission shaft and institute
Breaker connection, described linkage board one end and the transmission axis connection are stated, the other end is hinged with third pull rod lower end；It is described
Third pull rod upper end is connected with turns plate, the fixing bracket and described first for blocking the first of the isolator operation hole
It turns and is equipped with third elastic component between plate；When the breaker open operation, described first turns plate under the action of the third elastic component
Rise to expose the disconnecting switch handler.
6. the mechanical interlocks of ring main unit as claimed in claim 5, which is characterized in that further include for the breaker with
The third interlocking mechanism of the earthing switch on/off switch, the third interlocking mechanism include through the of second babinet setting
Four-pull-rod, the upper end of the four-pull-rod is connected with turns plate for blocking the second of the earthing switch handle hole, and described second
It turns and is equipped with the 4th elastic component between plate and second babinet；Four-pull-rod lower end is equipped with pressing down section, under the pressing down section
When pressure, plate drop-down is turned to expose the earthing switch handler by described second.
7. the mechanical interlocks of ring main unit as claimed in claim 6, which is characterized in that first elastic component, the second bullet
Property part, third elastic component and the 4th elastic component are compressed spring.
8. a kind of ring main unit, which is characterized in that the mechanical interlocking dress including ring main unit as described in any one of claim 1 to 7
It sets.
9. ring main unit as claimed in claim 8, which is characterized in that further include the control door being set to below the ring main unit, institute
It states control door and is equipped with protrusion compatible with pressing down section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204236.0U CN207800417U (en) | 2018-02-02 | 2018-02-02 | The mechanical interlocks and ring main unit of ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204236.0U CN207800417U (en) | 2018-02-02 | 2018-02-02 | The mechanical interlocks and ring main unit of ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800417U true CN207800417U (en) | 2018-08-31 |
Family
ID=63267437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820204236.0U Active CN207800417U (en) | 2018-02-02 | 2018-02-02 | The mechanical interlocks and ring main unit of ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800417U (en) |
-
2018
- 2018-02-02 CN CN201820204236.0U patent/CN207800417U/en active Active
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