CN208954890U - A kind of vacuum circuit breaker with mechanical interlocks - Google Patents
A kind of vacuum circuit breaker with mechanical interlocks Download PDFInfo
- Publication number
- CN208954890U CN208954890U CN201822019671.9U CN201822019671U CN208954890U CN 208954890 U CN208954890 U CN 208954890U CN 201822019671 U CN201822019671 U CN 201822019671U CN 208954890 U CN208954890 U CN 208954890U
- Authority
- CN
- China
- Prior art keywords
- vacuum circuit
- circuit breaker
- lock tongue
- mechanical interlocks
- type support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a kind of vacuum circuit breaker with mechanical interlocks, the bottom of vacuum circuit breaker is connected with handcart chassis, handcart chassis slideably drives vacuum circuit breaker to slide in and out in switch gear room, mechanical interlocks includes L-type support, lock body and lock tongue, lock body is fixed on the vertical edge of L-type support, the vertical edge of L-type support is equipped with through-hole corresponding with lock tongue, the horizontal sides of L-type support are connected to the left side at the top of vacuum circuit breaker, switch gear room is equipped with left plate, and left plate is equipped with through-hole corresponding with lock tongue.Mechanical interlocks key when lock tongue pops up cannot be transferred to, and can extract when withdrawing, therefore two vacuum circuit breakers will not close a floodgate simultaneously, and an only vacuum circuit breaker can close a floodgate in operating position every time is powered, and another is locked in testing position.The mechanical interlocks of the utility model is higher than electric interlock reliability, at the same structure it is simple, it is at low cost, be easily installed, be suitable for existing high-tension switch cabinet.
Description
Technical field
The utility model relates to a kind of vacuum circuit breakers with mechanical interlocks, belong to field of electrical control.
Background technique
In electric control system, city's electrical circuit breakers and power generation breaker cannot be closed at, to solve this problem,
Common control mode is electric interlock to be carried out on secondary control loop, or machinery is carried out at the operation handle of breaker
Interlocking or two ways, which merge, to be used, and the reliability of electric interlock is generally poor, for operation handle mechanical interlocking again
Structure is complicated, at high cost.
Utility model content
The main purpose of the utility model is to propose a kind of vacuum circuit breaker with mechanical interlocks, compares electric interlock
Reliability is higher, at the same structure it is simple, it is at low cost, be easily installed.
The use of the new type proposes that a kind of vacuum circuit breaker with mechanical interlocks, the vacuum circuit breaker are set to high pressure
In switch gear room in cabinet, comprising:
Handcart chassis is connect with the bottom of the vacuum circuit breaker, and the handcart chassis is slidably disposed in the switch
In room, to drive vacuum circuit breaker to slide in and out in the switch gear room；
Mechanical interlocks, the mechanical interlocks include L-type support, lock body and lock tongue, and the lock tongue is along right and left
It to movable telescopic is located in the lock body, the lock body is fixed on the vertical edge of the L-type support, the L-type support
Vertical edge is equipped with through-hole corresponding with the lock tongue, and the horizontal sides of the L-type support are fixed at the top of the vacuum circuit breaker
Left side, the switch gear room be equipped with left plate, the left plate be equipped with through-hole corresponding with the lock tongue so that the lock tongue
Optionally pass through the through-hole.
Preferably, the handcart chassis is equipped with socket at the middle part of front end face, is equipped in the handcart chassis and inserts with described
The screw rod that mouth is cooperatively connected, the handcart chassis is additionally provided with the joystick being adapted to the socket.
Preferably, the horizontal sides of the L-type support are accordingly mounted on the vacuum circuit breaker by bolt.
Preferably, the vacuum circuit breaker is equipped with moving contact, is equipped with corresponding fixed contact, the vacuum in the high-voltage board
Breaker is equipped with the operating position that the moving contact is connected with the fixed contact and the moving contact and the fixed contact phase
The testing position of disconnection, the through-hole are located at the corresponding position of vacuum circuit breaker lock tongue in testing position.
Preferably, which is characterized in that the mechanical interlocks is two one keys of lock or three two keys of lock.
In technical solution provided by the utility model, vacuum circuit breaker is set in the switch gear room in high-voltage board, mechanical interlocking
Device includes L-type support, lock body and lock tongue, and lock tongue is located in lock body to movable telescopic in left-right direction, and lock body is fixed on L-type branch
On the vertical edge of frame, the vertical edge of L-type support is equipped with through-hole corresponding with lock tongue, and the horizontal sides of L-type support are fixed on vacuum
Left side at the top of breaker, switch gear room are equipped with left plate, and left plate is equipped with through-hole corresponding with lock tongue, so that lock tongue is optionally
Across through-hole.The mechanical interlocks of the utility model key when lock tongue is opened cannot be transferred to, and could transfer to key when closed
Spoon, thus vacuum circuit breaker will not two close a floodgate energization simultaneously, only breaker can close a floodgate energization in operating position every time,
Another is locked in testing position.The mechanical interlocks of the utility model is higher than electric interlock reliability, while structure
Simply, cost is lower, is suitable for existing high-tension switch cabinet.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic view of the front view of an embodiment of the present invention；
Fig. 2 is the part-structure enlarged diagram in Fig. 1；
Fig. 3 is the left view structural representation that breaker is in operating position in Fig. 1；
Fig. 4 is the left view structural representation that breaker is in testing position in Fig. 1.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Vacuum circuit breaker | 6 | Fixed contact |
| 11 | Moving contact | 7 | Switch gear room |
| 2 | Lock body | 8 | Handcart chassis |
| 3 | L-type support | 81 | Socket |
| 4 | Lock tongue | 82 | Screw rod |
| 5 | Left plate |
The utility model aim is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
FIG. 1 to FIG. 4 is please referred to, the utility model proposes a kind of vacuum circuit breaker 1 with mechanical interlocks, vacuum is disconnected
Road device 1 is set in the switch gear room 7 in high-voltage board, and bottom is connected with handcart chassis 8, and handcart chassis 8 is slidably disposed in switch
In room 7, to drive vacuum circuit breaker 1 to slide in and out in switch gear room 7, in the present embodiment, handcart chassis 8 is in front end face
Portion is equipped with socket 81, is equipped with the screw rod 82 being cooperatively connected with socket in handcart chassis, is inserted by the joystick being adapted to socket 81
Entering socket 81 drives screw rod 82 to rotate, and when joystick rotates clockwise, vacuum circuit breaker 1 is slided into switch gear room 7, and joystick is inverse
When hour hands rotate, vacuum circuit breaker 1 is skidded off out of switch gear room 7, and specifically, vacuum circuit breaker is respectively provided with when sliding in and out
Operating position and testing position two states, when vacuum circuit breaker 1 is in operating position, in moving contact 11 and high-voltage board
Fixed contact 6 is connected, at this time vacuum circuit breaker 1 can carry out closing a floodgate perhaps separating brake movement make high pressure major loop connect or
It disconnects, when vacuum circuit breaker 1 is in testing position, moving contact 11 and fixed contact 6 are disengaged, and vacuum circuit breaker 1 can not be closed
Lock movement, high pressure major loop are also not turned on, and the position for locking vacuum circuit breaker 1 at this time can be to avoid moving contact 11 and fixed contact
6 mistake, which is touched, closes a floodgate.In the present embodiment, mechanical interlocks includes L-type support 3, lock body 2 and lock tongue 4, and lock tongue 4 is in left-right direction
It is located to movable telescopic in lock body 2, lock body 2 is fixed on the vertical edge of L-type support 3, therefore is set on the vertical edge of L-type support 3
There is through-hole corresponding with lock tongue 4, the horizontal sides of L-type support 3 are fixed on the left side at 1 top of vacuum circuit breaker, and lock tongue 4 is along right and left
To movable telescopic it is located in lock body 2, switch gear room is equipped with left plate 5, and left plate 5 is equipped with through-hole corresponding with lock tongue 4, so that
Lock tongue 4 optionally passes through through-hole, achievees the purpose that lock 1 position of vacuum circuit breaker.
In the technical solution of the utility model, a key is used in the mechanical interlocks of two vacuum circuit breakers 1
It is controlled, when wherein a vacuum circuit breaker 1 is in testing position, to avoid maloperation from closing a floodgate, lock tongue 4 is popped up to lock
Determine the position of vacuum circuit breaker 1, therefore, through-hole is arranged at vacuum circuit breaker 1 in testing position, and the correspondence of lock tongue 4 is switching
Position on 7 left plate 5 of room, after being inserted into through-hole with key turns lock tongue 4, key can be extracted, and the key can be used
Control another vacuum circuit breaker 1 open a sluice gate or feed motion, be in work when needing another vacuum circuit breaker 1 to close a floodgate
When position, rotation key makes lock tongue 4 rebound, and handcart drives the moving contact 11 of vacuum circuit breaker 1 and determines touching in high-voltage board at this time
First 6 connect, and key cannot be extracted at this time, and in the same time, which can only control the mechanical connection an of vacuum circuit breaker 1
Locking device, can only also have every time wherein a vacuum circuit breaker 1 can enter operating position.The technical solution of the utility model
It is higher than electric interlock reliability, can achieve vacuum circuit breaker 1 interlocking requirement, while structure it is simple, it is at low cost, convenient for peace
Dress.In the other embodiments of the utility model, two can also be used in the mechanical interlocks of three vacuum circuit breakers 1
Key is controlled, the mechanical interlocking being equally able to satisfy between vacuum circuit breaker 1.
In the present embodiment, the horizontal sides of L-type support 3 are mounted on vacuum circuit breaker 1 by bolt, for the height of different model
Cabinet is pressed, the L-type support 3 neatly can be voluntarily manufactured according to full size, therefore the scope of application is very wide, being bolted can make
L-type support 3 is easily installed and dismantles.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (5)
1. a kind of vacuum circuit breaker with mechanical interlocks, the vacuum circuit breaker is set in the switch gear room in high-voltage board,
It is characterised by comprising:
Handcart chassis is connect with the bottom of the vacuum circuit breaker, and the handcart chassis is slidably disposed in the switch gear room,
To drive vacuum circuit breaker to slide in and out in the switch gear room；
Mechanical interlocks, the mechanical interlocks include L-type support, lock body and lock tongue, and the lock tongue is lived in left-right direction
Dynamic to be telescopically located in the lock body, the lock body is fixed on the vertical edge of the L-type support, the L-type support it is vertical
Side is equipped with through-hole corresponding with the lock tongue, and the horizontal sides of the L-type support are fixed on the left side at the top of the vacuum circuit breaker
Side, the switch gear room are equipped with left plate, and the left plate is equipped with through-hole corresponding with the lock tongue, so that the lock tongue is optional
Ground passes through the through-hole.
2. as described in claim 1 with the vacuum circuit breaker of mechanical interlocks, which is characterized in that the handcart chassis exists
The middle part of front end face is equipped with socket, is equipped with the screw rod being cooperatively connected with the socket, the handcart chassis in the handcart chassis
It is additionally provided with the joystick being adapted to the socket.
3. as described in claim 1 with the vacuum circuit breaker of mechanical interlocks, which is characterized in that the L-type support
Horizontal sides are accordingly mounted on the vacuum circuit breaker by bolt.
4. as described in claim 1 with the vacuum circuit breaker of mechanical interlocks, which is characterized in that the vacuum circuit breaker
Equipped with moving contact, be equipped with corresponding fixed contact in the high-voltage board, the vacuum circuit breaker be equipped with the moving contact with it is described fixed
The testing position that the operating position and the moving contact that contact is connected mutually are disconnected with the fixed contact, the through-hole are located at
At the corresponding position of vacuum circuit breaker lock tongue in testing position.
5. as described in claim 1 with the vacuum circuit breaker of mechanical interlocks, which is characterized in that the mechanical interlocking dress
It is set to two locks, one key or three two keys of lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019671.9U CN208954890U (en) | 2018-12-03 | 2018-12-03 | A kind of vacuum circuit breaker with mechanical interlocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019671.9U CN208954890U (en) | 2018-12-03 | 2018-12-03 | A kind of vacuum circuit breaker with mechanical interlocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954890U true CN208954890U (en) | 2019-06-07 |
Family
ID=66745492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822019671.9U Expired - Fee Related CN208954890U (en) | 2018-12-03 | 2018-12-03 | A kind of vacuum circuit breaker with mechanical interlocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208954890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082353A (en) * | 2019-12-17 | 2020-04-28 | 上海平高天灵开关有限公司 | Box transformer low-voltage incoming line switch and power generation car room shared locking structure and locking method thereof |
-
2018
- 2018-12-03 CN CN201822019671.9U patent/CN208954890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082353A (en) * | 2019-12-17 | 2020-04-28 | 上海平高天灵开关有限公司 | Box transformer low-voltage incoming line switch and power generation car room shared locking structure and locking method thereof |
| CN111082353B (en) * | 2019-12-17 | 2021-12-17 | 上海平高天灵开关有限公司 | Box transformer low-voltage incoming line switch and power generation car room shared locking structure and locking method thereof |
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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: 20190607 |