CN207939083U - A kind of 12kV high-tension switch gears - Google Patents
A kind of 12kV high-tension switch gears Download PDFInfo
- Publication number
- CN207939083U CN207939083U CN201820334345.4U CN201820334345U CN207939083U CN 207939083 U CN207939083 U CN 207939083U CN 201820334345 U CN201820334345 U CN 201820334345U CN 207939083 U CN207939083 U CN 207939083U
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- China
- Prior art keywords
- switch
- cabinet
- divide
- pin
- pivoted arm
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of 12kV high-tension switch gears, it includes cabinet（1）, cabinet（1）On be provided with switch operating mechanism on the left of front door（4）；Switch operating mechanism（4）Rear side be provided with mechanical interlock mechanism（20）, mechanical interlock mechanism（20）Including holder（33）, connecting lever（25）, connecting rod（24）, upper pivoted arm（32）, lower pivoted arm（22）And jam plate（21）, jam plate（21）It is parallel to operation position fixing handle（2）Shaft setting and can be in holder（28）Interior sliding, jam plate（21）On be provided with axis pin（30）, connecting lever（25）One end be installed on vacuum circuit breaker（18）Breaker transmission shaft（26）On.The utility model has the beneficial effects that：It is compact-sized, easy to operate, have the function of perfect mechanical interlocking, be safe and reliable.
Description
Technical field
The utility model is related to the technical field of electrical control equipment structure, especially a kind of 12kV high-tension switch gears.
Background technology
Fixed 12kV high-tension switch gears are because with simple in structure, the connection of primary conductive circuit is reliable, cost is more low
Advantage is received by the market very much.But general fixed 12kV switchgears are because of factors such as element arrangement, switching manipulation modes, outside cabinet
Shape is sized to bigger.In many Building Power Distribution engineerings, 12kV switchgears are installed in basement mostly.Due to ground
Down space limits, and the switchgear appearance and size in distribution engineering needs to reduce as possible.Existing fixed 12kV switchgears
Because of larger appearance and size, cause it cannot be widely used in Building Power Distribution engineering.For fixed 12kV switchgears, break
Road device and the operation blocking function of disconnecting switch are the key that be related to equipment operation safety.Due to breaker structure in the market
Type is more, operates blocking function to meet, mechanical interlock mechanism must carry out non-standard de-sign.Existing mechanical interlocking scheme is not
The variation of breaker polymorphic type can be adapted to very well, existed more very much not in terms of the safety and convenience for meeting operation blocking function
Foot.
Market needs that minimizing, safe operation is reliable, economical rationality fixed 12kV switchgears.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts, provide it is a kind of it is compact-sized, easy to operate, have
Improve mechanical interlocking function, safe and reliable 12kV high-tension switch gears.
The purpose of this utility model is achieved through the following technical solutions：A kind of 12kV high-tension switch gears, it includes cabinet
Body is provided with bus-bar room and breaker chamber in the cabinet, earthing switch and vacuum circuit breaker is provided in the breaker chamber,
The front of the cabinet is provided with front door, the switch operating mechanism being provided on cabinet on the left of front door, switch operating mechanism
On through shaft be rotatably installed with divide-shut brake turntable and operation position fixing handle, be installed with upper connecting rod and lower pull rod on divide-shut brake turntable,
The other end of lower pull rod and the connecting lever of earthing switch are hinged, operate and are installed with shift fork on position fixing handle；The bus-bar room and open circuit
Disconnecting switch is provided between device room, disconnecting switch is rotary structure, and the static contact positioned at disconnecting switch upper end is set to mother
In line room, the static contact positioned at disconnecting switch lower end is set in breaker chamber, is provided between two static contacts rotatable
Moving contact is rotated, the other end for rotating moving contact and upper connecting rod is hinged；It is mechanical to be provided on rear side of the switch operating mechanism
Latch mechanism, mechanical interlock mechanism include holder, connecting lever, connecting rod, upper pivoted arm, lower pivoted arm and jam plate, and jam plate is parallel to operation positioning
The shaft of handle is arranged and can be slided in holder, axis pin is provided on jam plate, one end of connecting lever is installed on vacuum circuit breaker
On breaker transmission shaft, the other end of connecting lever is hinged with connecting rod, and the other end of connecting rod and one end of lower pivoted arm are hinged, lower pivoted arm with
Upper pivoted arm suit is welded as a whole, and kidney slot is offered on the end face of the other end of upper pivoted arm, upper pivoted arm is sheathed on through kidney slot
On axis pin；The bottom setting of the divide-shut brake turntable is fluted, driving lever component is provided on switch operating mechanism, on driving lever component
It is cased with driving lever pin, driving lever pin is set in the U-shaped mouth of shift fork, and the other end of driving lever component is connected with positioning welding through nut
Plate, tack welding fishplate bar are located above shift fork, offer locating slot and lower locating slot in tack welding fishplate bar, upper locating slot with it is lower fixed
Position slot is connected to, and is provided with spring and divide-shut brake turntable locating pin on tack welding fishplate bar, the lower end of divide-shut brake turntable locating pin is set
It is equipped with ring-shaped step, spring is placed on the lower end of divide-shut brake turntable locating pin, and is fixed on ring-shaped step at the top of spring, point
The top end part of combined floodgate turntable locating pin is inserted in groove under spring force effect to limit the rotation of divide-shut brake turntable, division
The spacer pin in upper locating slot is provided on lock turntable locating pin cylinder.
It is additionally provided on the cabinet and the opposed control room of bus-bar room.
It is provided with door lock rod between the switch operating mechanism and front door.
Pressure release cover board is provided at the top of the cabinet.
It is additionally provided with current transformer and arrester in the breaker chamber, branch row is provided on current transformer.
Wall bushing and main busbar are installed in the bus-bar room.
On the connecting lever and connecting rod and prolongs its length direction and offer multiple adjusting holes.
The utility model has the following advantages：
（1）By the way that disconnecting switch to be installed between bus-bar room and breaker chamber, disconnecting switch was both used for the utility model
The division in circuit, and play the role of electrical isolation to two function compartments, achieve the purpose that reduce switch device cabinet bodies size.
（2）Switch operating mechanism front end is provided with mechanical interlock mechanism, vacuum circuit breaker is configured to by mechanical interlocking machine
Operation blocking function between device and switch operating mechanism.
（3）Mechanical interlock mechanism can adapt to the locking requirement of different size breaker.
（4）Pressure release cover board is installed at the top of cabinet, avoids the high pressure gas that short trouble generates from forming personnel and injures.
Description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the structural schematic diagram of mechanical interlock mechanism；
Fig. 4 opens up schematic diagram for adjusting hole；
Fig. 5 is the structural schematic diagram of switch operating mechanism；
Fig. 6 is the structural schematic diagram of tack welding fishplate bar；
In figure, 1- cabinets, 2- operation position fixing handles, 3- door lock rods, 4- switch operating mechanisms, the front doors 5-, 6- breaker chambers,
7- earthing switches, 8- arresters, 9- current transformers, 10- branches row, 11- disconnecting switch, 12- bus-bar rooms, 13- wall bushings,
The main busbars of 14-, 15- pressure release cover boards, the control rooms 16-, 17- rotate moving contact, 18- vacuum circuit breakers, 19- divide-shut brake turntables, 20-
Mechanical interlock mechanism, 21- jam plates, pivoted arm under 22-, 23- shift forks, 24- connecting rods, 25- connecting levers, 26- breaker transmission shafts, 27- tune
Whole hole, 28- upper connecting rods, pull rod under 29-, 30- axis pins, 31- kidney slots, the upper pivoted arms of 32-, 33- holders, 34- grooves, 35- divisions
Lock turntable locating pin, 36- spacer pins, 37- springs, 38- nuts, 39- driving lever components, 40- driving lever pins, 41- tack welding fishplate bars,
Locating slot under 42-, the upper locating slots of 43-.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings, the scope of protection of the utility model be not limited to
It is lower described：
As shown in Fig. 1 ~ 6, a kind of 12kV high-tension switch gears, it includes cabinet 1, and bus-bar room is provided in the cabinet 1
12 and breaker chamber 6, earthing switch 7 and vacuum circuit breaker 18 are provided in the breaker chamber 6, and the front of the cabinet 1 is set
It is equipped with front door 5, the switch operating mechanism 4 being provided on cabinet 1 on the left of front door is rotated through shaft on switch operating mechanism 4
Divide-shut brake turntable 19 and operation position fixing handle 2 are installed, upper connecting rod 28 and lower pull rod 29 is installed on divide-shut brake turntable 19, pulls down
The other end of bar 29 is hinged with the connecting lever of earthing switch 7, operates and is installed with shift fork 23 on position fixing handle 2；12 He of the bus-bar room
Disconnecting switch 11 is provided between breaker chamber 6, disconnecting switch 11 is rotary structure, is located at the stationary contact of 11 upper end of disconnecting switch
Head is set in bus-bar room 12, and the static contact positioned at 11 lower end of disconnecting switch is set in breaker chamber 6, between two static contacts
It is provided with rotatable rotation moving contact 17, rotation moving contact 17 and the other end of upper connecting rod 28 are hinged.
As shown in Fig. 2 ~ 3, the rear side of the switch operating mechanism 4 is provided with mechanical interlock mechanism 20, mechanical interlock mechanism
20 include holder 33, connecting lever 25, connecting rod 24, upper pivoted arm 32, lower pivoted arm 22 and jam plate 21, and jam plate 21 is parallel to operation position fixing handle
2 shaft setting, and can be slided in holder 33, axis pin 30 is provided on jam plate 21, one end of connecting lever 25 is installed on vacuum and breaks
On breaker transmission shaft 26 on road device 18, the other end of connecting lever 25 is hinged with connecting rod 24, the other end of connecting rod 24 and lower pivoted arm
22 is hinged, and lower pivoted arm 22 is welded as a whole with the suit of upper pivoted arm 32, and the other end of upper pivoted arm 32 offers kidney slot 31, upper pivoted arm
32 are set in through kidney slot 31 on axis pin 30.
The bottom of the divide-shut brake turntable 19 is arranged fluted 34, and driving lever component 39 is provided on switch operating mechanism 4, dials
Driving lever pin 40 is cased in bar assembly 39, driving lever pin 40 is set in the U-shaped mouth of shift fork 23, the other end warp of driving lever component 39
Nut 38 is connected with tack welding fishplate bar 41, and tack welding fishplate bar 41 is located at 23 top of shift fork, and it is fixed to be offered in tack welding fishplate bar 41
Position slot 43 and lower locating slot 42, upper locating slot 43 are connected to lower locating slot 42, and spring 37 is provided on tack welding fishplate bar 41 and is divided
The lower end of combined floodgate turntable locating pin 35, divide-shut brake turntable locating pin 35 is provided with ring-shaped step, and spring 37 is placed on divide-shut brake and turns
The lower end of disk positioning pin 35, and the top of spring 37 is fixed on ring-shaped step, the top end part of divide-shut brake turntable locating pin 35
It is inserted in groove 34 under the effect of 37 elastic force of spring to limit the rotation of divide-shut brake turntable 19,35 column of divide-shut brake turntable locating pin
The spacer pin 36 in upper locating slot 43 is provided on face.
Control room 16 corresponding with bus-bar room 12, the switch operating mechanism 4 and front door are additionally provided on the cabinet 1
Door lock rod 3 is provided between 5；Current transformer 9 and arrester 8 are additionally provided in the breaker chamber 6, on current transformer 9
It is provided with branch row 10；Wall bushing 13 and main busbar 14 are installed in the bus-bar room 12.
The top of the cabinet 1 is provided with pressure release cover board 15, when cabinet internal short-circuit failure occurs, the high temperature of electric arc generation,
The destructive opening of pressure release cover board 15 is discharged high pressure gas by high pressure gas to top.High pressure gas is avoided to be released from the forward and backward door of cabinet
The personnel that are rivals in a contest form injury.
As shown in figure 4, offering on the connecting lever 25 and connecting rod 24 and multiple adjusting holes 27 along its length, pass through
27 pairing relationship of adjusting hole on connecting lever 25 and connecting rod 24 is adjusted, different movement travels may be implemented, it is true to be suitable for different size
The position of the breaker transmission shaft 26 of empty breaker 18, mechanical interlock mechanism 20 have wide adaptability.
The course of work of the utility model is as follows：It is provided with mechanical interlock mechanism 20 in breaker chamber 6, is joined by machinery
Latch mechanism 20 forms the operation blocking function between vacuum circuit breaker 18 and switch operating mechanism 4.Concrete mode is：When vacuum is disconnected
When road device 18 closes a floodgate, breaker transmission shaft 26 rotates clockwise as shown in Figure 3, drives the connecting lever 25 on breaker transmission shaft 26
It rotates clockwise together, connecting lever 25 pulls connecting rod 24 to move downward, and connecting rod 24 drives lower pivoted arm 22 to rotate clockwise again, upper pivoted arm
32 also rotate clockwise, and upper pivoted arm 32 drives jam plate 21 to be moved in a straight line to the right along holder 33, when jam plate 21 stretches into shift fork 23
Prong among U-shaped mouth when, jam plate 21 limit shift fork 23 rotate.Since shift fork 23 is integrally fixed on operation position fixing handle 2, together
When also limit operation position fixing handle 2 rotation, operation position fixing handle 2 limited after, and then prevent divide-shut brake turntable 19 turn
It is dynamic.After 18 separating brake of vacuum circuit breaker, above-mentioned associated components do counter motion, release the limitation to operating position fixing handle 2, at this time
Disconnecting switch 11 and earthing switch 7 can be operated.
Operation position fixing handle 2 controls the rotation of divide-shut brake turntable 19 in the following manner：Under original state, the positioning of divide-shut brake turntable
Pin 35 is inserted in the groove 34 of 19 bottom of divide-shut brake turntable, and jam plate 21 can just stretch into the U-shaped mouth of shift fork 23 at this time, limit
Shift fork 23 processed rotates, and can not be rotated further by operation position fixing handle 2, to limit the rotation of divide-shut brake turntable 19, upper connecting rod at this time
28, lower pull rod 29 is unable to disconnecting switch operation 11 and earthing switch 7, effectively prevents on-load point disconnecting switch 11 and electrification
The generation for closing the maloperations such as earthing switch 7, ensures the safety of switchgear.When extracting jam plate 21 in the U-shaped mouth from shift fork 23,
Can turn left operation position fixing handle 2 at this time, and operation position fixing handle 2 drives shift fork 23 to rotate counterclockwise, and shift fork 23, which drives, to be dialled
Lever pin nail 40 is moved to the left along driving lever component 39, and further tack welding fishplate bar 41 is moved to the left, and is limited in moving process
Pin 36 is fallen into lower locating slot 42, and divide-shut brake turntable locating pin 35 is exited from the groove 34 of 19 bottom of divide-shut brake turntable, is released
To operating the limitation of position fixing handle 2, disconnecting switch 11 and earthing switch 7 can be operated at this time.
Claims (7)
1. a kind of 12kV high-tension switch gears, it includes cabinet（1）, the cabinet（1）Inside it is provided with bus-bar room（12）And open circuit
Device room（6）, the breaker chamber（6）Inside it is provided with earthing switch（7）And vacuum circuit breaker（18）, the cabinet（1）Front
It is provided with front door（5）, it is characterised in that：Cabinet（1）On be provided with switch operating mechanism on the left of front door（4）, switch behaviour
Make mechanism（4）On through shaft be rotatably installed with divide-shut brake turntable（19）With operation position fixing handle（2）, divide-shut brake turntable（19）It is upper solid
Equipped with upper connecting rod（28）With lower pull rod（29）, lower pull rod（29）The other end and earthing switch（7）Connecting lever it is hinged, operation positioning
Handle（2）On be installed with shift fork（23）；The bus-bar room（12）And breaker chamber（6）Between be provided with disconnecting switch（11）, every
It is rotary structure to leave pass, is located at disconnecting switch（11）The static contact of upper end is set to bus-bar room（12）It is interior, positioned at keeping apart
It closes（11）The static contact of lower end is set to breaker chamber（6）It is interior, rotatable rotation moving contact is provided between two static contacts
（17）, rotate moving contact（17）With upper connecting rod（28）The other end it is hinged；The switch operating mechanism（4）Rear side setting it is organic
Tool interlocking mechanism（20）, mechanical interlock mechanism（20）Including holder（33）, connecting lever（25）, connecting rod（24）, upper pivoted arm（32）, lower turn
Arm（22）And jam plate（21）, jam plate（21）It is parallel to operation position fixing handle（2）Shaft setting and can be in holder（33）Interior sliding,
Jam plate（21）On be provided with axis pin（30）；Connecting lever（25）One end be installed on vacuum circuit breaker（18）Breaker transmission shaft（26）
On, connecting lever（25）The other end be hinged with connecting rod（24）, connecting rod（24）The other end and lower pivoted arm（22）One end it is hinged, lower turn
Arm（22）With upper pivoted arm（32）Suit is welded as a whole, upper pivoted arm（32）The other end end face on offer kidney slot（31）,
Upper pivoted arm（32）Through kidney slot（31）It is sheathed on axis pin（30）On；The divide-shut brake turntable（19）Bottom setting it is fluted
（34）, switch operating mechanism（4）On be provided with driving lever component（39）, driving lever component（39）On be cased with driving lever pin（40）, driving lever
Pin（40）It is set to shift fork（23）U-shaped mouth in；Driving lever component（39）The other end through nut（38）It is connected with positioning welding
Plate（41）, tack welding fishplate bar（41）Positioned at shift fork（23）Top, tack welding fishplate bar（41）Inside offer locating slot（43）With under
Locating slot（42）, upper locating slot（43）With lower locating slot（42）Connection, tack welding fishplate bar（41）On be provided with spring（37）With point
Combined floodgate turntable locating pin（35）, divide-shut brake turntable locating pin（35）Lower end be provided with ring-shaped step, spring（37）It is placed on point
Combined floodgate turntable locating pin（35）Lower end, and spring（37）Top be fixed on ring-shaped step, divide-shut brake turntable locating pin
（35）Top end part in spring（37）It is inserted in groove under elastic force effect（34）In to limit divide-shut brake turntable（19）Rotation, point
Combined floodgate turntable locating pin（35）It is provided on cylinder positioned at upper locating slot（43）Interior spacer pin（36）.
2. a kind of 12kV high-tension switch gears according to claim 1, it is characterised in that：The cabinet（1）On also set up
Have and bus-bar room（12）Opposed control room（16）.
3. a kind of 12kV high-tension switch gears according to claim 1, it is characterised in that：The switch operating mechanism（4）
With front door（5）Between be provided with door lock rod（3）.
4. a kind of 12kV high-tension switch gears according to claim 1, it is characterised in that：The cabinet（1）Top set
It is equipped with pressure release cover board（15）.
5. a kind of 12kV high-tension switch gears according to claim 1, it is characterised in that：The breaker chamber（6）In also
It is provided with current transformer（9）And arrester（8）, current transformer（9）On be provided with branch row（10）.
6. a kind of 12kV high-tension switch gears according to claim 1, it is characterised in that：The bus-bar room（12）Interior installation
There is wall bushing（13）With main busbar（14）.
7. a kind of 12kV high-tension switch gears according to claim 1, it is characterised in that：The connecting lever（25）And connecting rod
（24）It goes up and prolongs its length direction and offer multiple adjusting holes（27）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334345.4U CN207939083U (en) | 2018-03-12 | 2018-03-12 | A kind of 12kV high-tension switch gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334345.4U CN207939083U (en) | 2018-03-12 | 2018-03-12 | A kind of 12kV high-tension switch gears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207939083U true CN207939083U (en) | 2018-10-02 |
Family
ID=63654406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820334345.4U Expired - Fee Related CN207939083U (en) | 2018-03-12 | 2018-03-12 | A kind of 12kV high-tension switch gears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207939083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233242A (en) * | 2018-03-12 | 2018-06-29 | 四川达卡电气有限公司 | A kind of 12kV high-tension switch gears |
| CN109980555A (en) * | 2019-05-05 | 2019-07-05 | 四川达卡电气有限公司 | A kind of 12kV integrated box type switchyard |
-
2018
- 2018-03-12 CN CN201820334345.4U patent/CN207939083U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233242A (en) * | 2018-03-12 | 2018-06-29 | 四川达卡电气有限公司 | A kind of 12kV high-tension switch gears |
| CN108233242B (en) * | 2018-03-12 | 2024-01-30 | 四川达卡电气有限公司 | 12kV high-voltage switch equipment |
| CN109980555A (en) * | 2019-05-05 | 2019-07-05 | 四川达卡电气有限公司 | A kind of 12kV integrated box type switchyard |
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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 |
Granted publication date: 20181002 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |