CN207611715U - Vacuum circuit breaker linkage maloperation protective device - Google Patents
Vacuum circuit breaker linkage maloperation protective device Download PDFInfo
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- CN207611715U CN207611715U CN201721546602.2U CN201721546602U CN207611715U CN 207611715 U CN207611715 U CN 207611715U CN 201721546602 U CN201721546602 U CN 201721546602U CN 207611715 U CN207611715 U CN 207611715U
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- pressing plate
- lock pin
- rocking handle
- crossbeam
- key
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Abstract
This programme discloses a kind of vacuum circuit breaker linkage maloperation protective device of technical field of electrical equipment, including pressing plate, key, and the rocking handle casing and atretic body being arranged on crossbeam；Described pressing plate one end is located in rocking handle casing, and the pressing plate other end is located at outside rocking handle casing, and compression spring is connected between pressing plate and crossbeam；The side wall of the key is equipped with latch；The atretic body is equipped with lockhole, and equipped with the locking hole being inserted into for latch and the cunning mouth slid into for latch, the cunning mouth is connected to locking hole at the edge of atretic body；Lock pin is slidably connected in atretic body, one end of lock pin is connected with locking plate；Locking plate is disposed adjacent with the pressing plate.The setting of this programme, when the breaker in a switchgear works, key locks the chassis vehicle of this switchgear, in the state of in this way, key cannot be pulled out, and then avoid while enabling two breakers, thus effectively avoid the generation of safety accident.
Description
Technical field
The utility model is related to technical field of electrical equipment, and in particular to a kind of vacuum circuit breaker linkage maloperation protection dress
It sets.
Background technology
In draw out switchgear, such as switchgear, mostly use at present a kind of chassis bassinet structure come load-bearing breaker,
The components such as mutual inductor.Chassis vehicle includes the crossbeam being arranged on switch cabinet body, and play carrying effect and can be former
Into with the vehicle frame stepped back；Feed screw nut is fixed on vehicle frame, feed screw nut is threaded with leading screw, one end and the crossbeam spiral shell of leading screw
Line connects, and the end is removably connected with rocking handle after crossbeam.In use, by vehicle frame by the components such as breaker promote and
Switchgear is released, when needing to promote or exit vehicle frame, rocking handle is socketed in the end of leading screw, is rotated clockwise or counterclockwise
Rocking handle can make leading screw that vehicle frame be pushed to move forward or back, to drive breaker in the operating position of switchgear and testing position
Between move.
In above process rocking handle be can taking human as shake and remove from leading screw, still, in actual use process
In, due to safety concerns, chassis vehicle at will cannot allow people to shake into shaking out after loading vacuum circuit breaker, generally not have padlock feelings
Under condition, anyone, which takes handle and can be socketed on leading screw, shakes, and is easy in this way in the case that neglectful, simultaneously
The vacuum circuit breaker for promoting another switchgear leads to have two switchgears to enter working condition simultaneously, and then causes safe thing
Therefore.
Utility model content
The utility model is intended to provide a kind of vacuum circuit breaker linkage maloperation protective device, to solve to fill in the prior art
There is the chassis vehicle of breaker that can arbitrarily be pushed and the technical issues of operation error occur.
To solve the above-mentioned problems, basic technology scheme provided by the utility model is：Vacuum circuit breaker linkage maloperation
Protective device, including pressing plate, key, and the rocking handle casing and atretic body that are arranged on crossbeam；Described pressing plate one end is located at
In rocking handle casing, the pressing plate other end is located at outside rocking handle casing, and compression spring is connected between pressing plate and crossbeam；The side wall of the key is set
There is latch；The atretic body is equipped with lockhole, and the edge of atretic body is equipped with the locking hole being inserted into for latch and for latch
The cunning mouth of slide-in, the cunning mouth are connected to locking hole；Lock pin is slidably connected in atretic body, one end of lock pin is connected with locking plate；
Locking plate is disposed adjacent with the pressing plate.
The operation principle of the utility model is：When installation, rocking handle casing is made to be set in outside leading screw.It inserts a key into
Atretic body, locking block alignment locking hole on the key, and then latch can enter in locking hole, because of locking hole and sliding mouth
Connection rotates key so after latch enters locking hole to sliding mouth direction, can slide into latch in sliding mouth, and
While rotation, lock pin in atretic body is to a Slideslip of rocking handle casing, and then lock pin drives locking plate close to pressing plate；Phase
Instead, then to locking hole direction key is rotated, then lock pin drives locking plate far from pressing plate again.
Before needing to shake out chassis vehicle, rocking handle is not inserted on rocking handle casing, and locking plate is also separate pressing plate,
Because pressing plate one end is located in rocking handle casing, the pressing plate other end is located at outside rocking handle casing, and compression spring, institute are equipped between pressing plate and crossbeam
With in the case where no rocking handle applies active force to pressing plate, pressing plate is allowed to by the recovery force effect of compression spring between crossbeam
It is at regular intervals.It is inserted into key under this state, then key is rotated to sliding mouth direction, locking plate can be made to snap onto in the spacing, shaken
Handle cannot be normally inserted in place by the obstruction of pressing plate in rocking handle casing, then cannot be inserted into rocking handle to shake leading screw, i.e., not
Chassis vehicle can be shaken out.Simultaneously because latch is located in sliding mouth without being directed at locking hole, therefore key cannot be from atretic body
Middle extraction, and then the key is in occupied state, cannot be used for simultaneously to the vacuum circuit breaker in another switchgear
It is operated.
When needing to shake out chassis vehicle, key is rotated to the direction far from sliding mouth, makes locking block alignment locking hole, in this way
With regard to driving locking plate to be withdrawn from gap, then the compression spring between pressing plate and crossbeam can be because be re-compressed by active force.
Rocking handle is inserted into rocking handle casing, rocking handle presses pressing plate, and spring is compressed, so that pressing plate is inserted close to crossbeam, while to rocking handle
Out position, spring-compressed can be normally inserted in place in order to rocking handle for the depth entered, can shake leading screw in this way, and then will
Chassis vehicle shakes out, and can extract key.
The advantageous effect of the utility model is：The setting of this programme, when the breaker in a switchgear works,
Key locks the chassis vehicle of this switchgear, in this way in the state of, key cannot be pulled out.Key only has one, into
And the breaker that cannot simultaneously start in another switchgear works, and is only shaking out the chassis vehicle in First switchgear
Precondition under, key could be extracted, to unlock another switchgear, and then avoid while enabling two breakers,
Thus effectively avoid the generation of safety accident.
Further, nut is additionally provided on the crossbeam, nut is located at the other end of lock pin, and the nut inner thread is connected with
Suppor bar, the suppor bar and the lock pin coaxial line.Day is used in lock pin long afterwards, is easy to skid due to being rubbed, it should
Prioritization scheme can be supported lock pin by rotating suppor bar, and the locking effect of auxiliary enhancing lock pin plays two protection
With the effect of locking.
Further, be additionally provided with the sliding slot parallel with lock pin on the crossbeam, the locking plate is equipped with sliding rail, the sliding rail with
Sliding slot is slidably connected.The setting of sliding slot and sliding rail can limit the run trace of locking plate, avoid locking plate generation in use
It deviates and influences latch effect.
Further, the protective device further includes fixed plate, and the fixed plate is set on crossbeam, and is located at the lock pin
Lower section, fixed plate and plunger contacts.Fixed plate can support lock pin, limit the sliding trace of lock pin, further avoid locking
Piece shifts and influences latch effect.
Further, the lower edge of the sliding mouth is equipped with circular groove, and ball is equipped in the groove, and the ball exposes recessed
Slot 0.1cm.Such design can be inserted into key, and when rotating key, latch has bounce when passing through ball, passes through human body hand
Portion's neurotransmission signal prompts to be in blocking.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model vacuum circuit breaker linkage maloperation protective device；
Fig. 2 is A-A sectional views in Fig. 1.
Specific implementation mode
Below by the further details of explanation of specific implementation mode：
Reference numeral in Figure of description includes：Crossbeam 1, pressing plate 3, locking plate 4, lock pin 5, key 6, closes rocking handle casing 2
Lock body 7, suppor bar 8, nut 9, compression spring 10.
Embodiment is basic as shown in attached drawing 1 and Fig. 2：Vacuum circuit breaker linkage maloperation protective device, including pressing plate 3, key
Spoon 6, and the rocking handle casing 2 and atretic body 7 that are arranged on crossbeam 1；3 one end of pressing plate is located in rocking handle casing 2, and pressing plate 3 is another
One end is located at outside rocking handle casing 2, and compression spring 10 is connected between pressing plate 3 and crossbeam 1；The side wall of key 6 is equipped with latch；Atretic body
7 are equipped with lockhole, and the edge of atretic body 7 is equipped with the locking hole being inserted into for latch and the cunning mouth slid into for latch, cunning mouth and
Locking hole is connected to, and the lower edge of sliding mouth is equipped with circular groove, ball is equipped in groove, ball exposes groove 0.1cm；Atretic body 7
Lock pin 5 is inside slidably connected, one end of lock pin 5 is connected with locking plate 4；Locking plate 4 is disposed adjacent with pressing plate 3.
Protective device further includes fixed plate, and fixed plate is set on crossbeam 1, and positioned at the lower section of lock pin 5, fixed plate and lock
Pin 5 contacts.
Nut 9 is additionally provided on crossbeam 1, nut 9 is located at the other end of lock pin 5, and 9 internal thread of nut is connected with suppor bar 8, supports
Hold item 8 and 5 coaxial line of the lock pin.Be additionally provided with the sliding slot parallel with lock pin 5 on crossbeam 1, locking plate 4 is equipped with sliding rail, sliding rail with
Sliding slot is slidably connected.
When installation, rocking handle casing 2 is made to be set in outside leading screw.Key 6 is inserted into atretic body 7, the latch pair on key 6
Quasi- locking hole, and then latch can enter in locking hole, because locking hole is connected to sliding mouth, when latch enters lock
Only behind hole, key 6 is rotated to sliding mouth direction, latch can be slid into sliding mouth, and while rotation, in atretic body 7
A Slideslip from lock pin 5 to rocking handle casing 2, and then lock pin 5 drive locking plate 4 it is close to pressing plate 3；On the contrary, again to locking hole direction
Key 6 is rotated, then lock pin 5 drives locking plate 4 far from pressing plate 3 again.
Before needing to shake out chassis vehicle, rocking handle is not inserted on rocking handle casing 2, and locking plate 4 is also far from pressing plate 3
, because 3 one end of pressing plate is located in rocking handle casing 2,3 other end of pressing plate is located at outside rocking handle casing 2, is set between pressing plate 3 and crossbeam 1
Have compression spring 10, thus no rocking handle to pressing plate 3 apply active force in the case of, pressing plate 3 by compression spring 10 recovery force effect
And it is allowed at regular intervals between crossbeam 1.It is inserted into key 6 under this state, then key 6 is rotated to sliding mouth direction, lock can be made
Piece 4 snaps onto in the spacing, and rocking handle cannot be normally inserted in place by the obstruction of pressing plate 3 in rocking handle casing 2, then cannot be inserted
Enter rocking handle to shake leading screw, i.e., chassis vehicle cannot be shaken out.Simultaneously because latch is located in sliding mouth without being directed at locking hole,
Therefore key 6 cannot be extracted from atretic body 7, and then the key 6 is in occupied state, cannot simultaneously be used for another
Vacuum circuit breaker in platform switchgear is operated.
When needing to shake out chassis vehicle, key 6 is rotated to the direction far from sliding mouth, makes locking block alignment locking hole, this
Sample just drives locking plate 4 to be withdrawn from gap, then the compression spring 10 between pressing plate 3 and crossbeam 1 can be because by active force and by again
Second compression.It is inserted into rocking handle into rocking handle casing 2, rocking handle presses pressing plate 3, and spring is compressed, so that pressing plate 3 is close to crossbeam 1, together
When to rocking handle be inserted into depth out position, spring-compressed can be normally inserted in place in order to rocking handle, can shake in this way
Leading screw, and then chassis vehicle is shaken out, and key 6 can be extracted.
Above-described is only the embodiments of the present invention, and the common sense such as well known concrete structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, these are not all interfered with
The effect and patent practicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
Subject to, the records such as specific implementation mode in specification can be used for explaining the content of claim.
Claims (5)
- The maloperation protective device 1. vacuum circuit breaker links, it is characterised in that：Including pressing plate, key, and it is arranged at crossbeam On rocking handle casing and atretic body；Described pressing plate one end is located in rocking handle casing, and the pressing plate other end is located at outside rocking handle casing, pressing plate Compression spring is connected between crossbeam；The side wall of the key is equipped with latch；The atretic body is equipped with lockhole, the side of atretic body Edge is connected to equipped with the locking hole being inserted into for latch and the cunning mouth slid into for latch, the cunning mouth with locking hole；In atretic body Lock pin is slidably connected, one end of lock pin is connected with locking plate；Locking plate is disposed adjacent with the pressing plate.
- The maloperation protective device 2. vacuum circuit breaker according to claim 1 links, it is characterised in that：On the crossbeam also Equipped with nut, nut is located at the other end of lock pin, and the nut inner thread is connected with suppor bar, the suppor bar and the lock pin Coaxial line.
- The maloperation protective device 3. vacuum circuit breaker according to claim 2 links, it is characterised in that：On the crossbeam also Equipped with the sliding slot parallel with lock pin, the locking plate is equipped with sliding rail, and the sliding rail is slidably connected with sliding slot.
- The maloperation protective device 4. vacuum circuit breaker according to claim 3 links, it is characterised in that：The protective device Further include fixed plate, the fixed plate is set on crossbeam, and positioned at the lower section of the lock pin, fixed plate and plunger contacts.
- The maloperation protective device 5. vacuum circuit breaker according to claim 4 links, it is characterised in that：Under the cunning mouth Edge is equipped with circular groove, and ball is equipped in the groove, and the ball exposes groove 0.1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546602.2U CN207611715U (en) | 2017-11-17 | 2017-11-17 | Vacuum circuit breaker linkage maloperation protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546602.2U CN207611715U (en) | 2017-11-17 | 2017-11-17 | Vacuum circuit breaker linkage maloperation protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207611715U true CN207611715U (en) | 2018-07-13 |
Family
ID=62794491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721546602.2U Active CN207611715U (en) | 2017-11-17 | 2017-11-17 | Vacuum circuit breaker linkage maloperation protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207611715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768181A (en) * | 2017-11-17 | 2018-03-06 | 贵州电网有限责任公司遵义供电局 | Vacuum circuit breaker linkage maloperation protector |
-
2017
- 2017-11-17 CN CN201721546602.2U patent/CN207611715U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768181A (en) * | 2017-11-17 | 2018-03-06 | 贵州电网有限责任公司遵义供电局 | Vacuum circuit breaker linkage maloperation protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220614 Address after: No.17 Binhe Road, Nanming District, Guiyang City, Guizhou Province Patentee after: Guizhou Power Grid Co.,Ltd. Address before: 563000 No. 555, Nanjing Road, Huichuan District, Zunyi City, Guizhou Province Patentee before: ZUNYI POWER SUPPLY BUREAU OF GUIZHOU POWER GRID CO.,LTD. Patentee before: Guizhou Changzheng electric appliance complete set Co., Ltd |
|
| TR01 | Transfer of patent right |