CN218676925U - Locking device for preventing misoperation of vacuum circuit breaker - Google Patents
Locking device for preventing misoperation of vacuum circuit breaker Download PDFInfo
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- CN218676925U CN218676925U CN202223123846.3U CN202223123846U CN218676925U CN 218676925 U CN218676925 U CN 218676925U CN 202223123846 U CN202223123846 U CN 202223123846U CN 218676925 U CN218676925 U CN 218676925U
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- locking
- circuit breaker
- separating brake
- locking plate
- pin
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Abstract
The utility model relates to a prevent locking device of vacuum circuit breaker maloperation, its innovation point lies in: including locking connecting rod, safety lock, separating brake locking board, separating brake fitting pin and combined floodgate locking board, the locking connecting rod is established on circuit breaker box lateral wall to the both ends of locking connecting rod are equipped with separating brake locking board and combined floodgate locking board respectively, be equipped with the separating brake fitting pin that offsets or separate with separating brake mechanism manual button on the separating brake locking board, the tip of combined floodgate locking board offsets or separates with the epaxial pin of connecting that combined floodgate mechanism energy storage spring is connected, the lock core of safety lock and the one end fixed connection of locking connecting rod. The utility model discloses can lock the circuit breaker, neither can manual separating brake nor can manual combined floodgate, effectively prevent to its maloperation.
Description
Technical Field
The utility model relates to a locking device, concretely relates to prevent locking device of vacuum circuit breaker maloperation.
Background
Existing industrial and mining enterprises, all can be furnished with the vacuum circuit breaker who protects and control the usefulness of electrical equipment in power plant or the transformer substation, and a set of electrical equipment can be equipped with two sets of or more than two sets of vacuum circuit breaker usually, one of them is as normal use, remaining vacuum circuit breaker is as reserve, in the prior art, reserve vacuum circuit breaker does not work, and can mark these circuit breakers usually, the difference is reserve or is using, but the sign can drop or obscure sometimes, this will cause operating personnel to carry out the maloperation to reserve vacuum circuit breaker sometimes, cause multiunit circuit breaker outage simultaneously or power transmission simultaneously, the electric shock accident can take place probably. Therefore, it is urgently needed to design a locking device, so that the locking device can lock a standby vacuum circuit breaker when the vacuum circuit breaker does not work, and the locking device can not be manually switched on or switched off, so that misoperation of the vacuum circuit breaker is prevented.
Disclosure of Invention
The utility model aims at: the locking device for preventing the misoperation of the vacuum circuit breaker can lock the circuit breaker, can not be manually opened or closed, and effectively prevents misoperation of the circuit breaker.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a prevent locking device of vacuum circuit breaker maloperation which innovation point lies in: comprises a locking connecting rod, a safety lock, a switching-off locking plate, a switching-off locking pin and a switching-on locking plate,
the locking connecting rod is arranged on the side wall of the breaker box body, and the two ends of the locking connecting rod are respectively provided with an opening locking plate and a closing locking plate,
the opening locking plate is provided with an opening locking pin which is pressed against or separated from a manual button of the opening mechanism, the end part of the closing locking plate is pressed against or separated from a pin on a connecting shaft connected with an energy storage spring of the closing mechanism, a lock core of the safety lock is fixedly connected with one end of the locking connecting rod,
when the safety lock is locked, the lock cylinder of the safety lock enables the opening locking pin, the manual button of the opening mechanism and the end part of the closing locking plate to synchronously abut against the pin on the connecting shaft through the locking connecting rod, so that the circuit breaker is locked, otherwise, when the safety lock is unlocked, the opening locking pin, the manual button of the opening mechanism and the end part of the closing locking plate are synchronously separated from the pin on the connecting shaft, so that the circuit breaker is unlocked.
In the technical scheme, the locking connecting rod, the opening locking plate and the closing locking plate are integrally connected into a whole and then integrally form a U-shaped structure, and the opening locking plate and the closing locking plate are respectively positioned in the box body of the circuit breaker.
In the technical scheme, the separating brake locking pin is provided with a thread section capable of adjusting the height of the separating brake locking plate vertically, the separating brake locking pin vertically penetrates through a through hole formed in the horizontally arranged separating brake locking plate, and the locking nut arranged on the thread section enables the separating brake locking pin and the separating brake locking plate to be tightly fixed into a whole.
In above-mentioned technical scheme, still including preventing separating brake fitting pin circumferential direction's axial stop gear, axial stop gear is including installation fixed plate and angle iron stand, the one end and the installation fixed plate of angle iron stand can be dismantled and be connected, the other end and the circuit breaker box fixed connection of angle iron stand, the separating brake fitting pin passes the perforation that is equipped with on the installation fixed plate.
The utility model discloses the positive effect who has is: after the locking device for preventing the misoperation of the vacuum circuit breaker is adopted, the locking device comprises a locking connecting rod, a safety lock, a separating brake locking plate, a separating brake locking pin and a closing brake locking plate, wherein the locking connecting rod is arranged on the side wall of a box body of the vacuum circuit breaker, the two ends of the locking connecting rod are respectively provided with the separating brake locking plate and the closing brake locking plate, the separating brake locking pin which is propped against or separated from a manual button of a separating brake mechanism is arranged on the separating brake locking plate, the end part of the closing brake locking plate is propped against or separated from a pin on a connecting shaft connected with an energy storage spring of the closing mechanism, a lock core of the safety lock is fixedly connected with the locking connecting rod,
when in use, the locking device of the utility model is used in combination with a standby vacuum circuit breaker, when the safety lock is locked, the lock core of the safety lock drives the locking connecting rod to move upwards, so that the separating brake locking pin on the locking connecting rod can synchronously abut against the manual button of the separating brake mechanism and the end part of the closing locking plate and the pin on the connecting shaft, the circuit breaker is locked, otherwise, when the safety lock is unlocked, the separating brake locking pin can synchronously separate from the manual button of the separating brake mechanism and the end part of the closing locking plate and the pin on the connecting shaft, the circuit breaker is unlocked,
the utility model relates to a mechanical lock can lock reserve vacuum circuit breaker under the unoperated state through mechanical lock, neither can be to its manual combined floodgate, also can manual separating brake, has effectively avoided operating personnel can take place the condition of maloperation to reserve vacuum circuit breaker, and the condition of having effectively avoided multiunit circuit breaker to switch on simultaneously or transmit power simultaneously takes place, simultaneously, the utility model discloses not only simple structure, simple to operate, operability and practicality are also very high moreover, have guaranteed the security of controlling to and reduce follow-up maintenance work load.
Drawings
Fig. 1 is a schematic structural view (unlocked state) of an embodiment of the present invention;
FIG. 2 is a schematic left side view of FIG. 1;
FIG. 3 is a schematic right-side view of FIG. 1;
fig. 4 is a schematic diagram of the state of the circuit breaker when locked according to the present invention;
FIG. 5 is a schematic left side view of FIG. 4;
fig. 6 is a schematic right view of fig. 4.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but is not limited thereto.
As shown in fig. 1, 2, 3, 4, 5, 6, a locking device for preventing a vacuum circuit breaker from misoperation comprises a locking connecting rod 1, a safety lock 2, an opening locking plate 3, an opening locking pin 4 and a closing locking plate 5,
the locking connecting rod 1 is arranged on the side wall of the breaker box body 81, and the two ends of the locking connecting rod 1 are respectively provided with an opening locking plate 3 and a closing locking plate 5,
the opening locking plate 3 is provided with an opening locking pin 4 which is pressed against or separated from a manual button 82 of the opening mechanism, the end part of the closing locking plate 5 is pressed against or separated from a pin 831 on a connecting shaft 83 connected with an energy storage spring of the closing mechanism, a lock core of the safety lock 2 is fixedly connected with the locking connecting rod 1,
when the safety lock 2 is locked, the lock cylinder of the safety lock 2 enables the end parts of the opening locking pin 4, the opening mechanism manual button 82 and the closing locking plate 5 to synchronously abut against the pin 831 on the connecting shaft 83 through the locking connecting rod 1, so that the circuit breaker is locked, otherwise, when the safety lock 2 is unlocked, the end parts of the opening locking pin 4, the opening mechanism manual button 82 and the closing locking plate 5 are synchronously separated from the pin 831 on the connecting shaft 83, so that the circuit breaker is unlocked.
As shown in fig. 1 and 4, in order to make the utility model discloses the structure is more reasonable, is convenient for join in marriage the equipment with the circuit breaker to can not too much occupation space again, locking connecting rod 1 wholly is U type structure after even as an organic whole with separating brake locking plate 3 and combined floodgate locking plate 5, and separating brake locking plate 3 and combined floodgate locking plate 5 are located the circuit breaker box respectively. When the vacuum circuit breaker is used in a matched mode, the opening locking plate 3 is located in an opening cavity of the breaker box body 81 and close to the inner wall of one side of the box body, the closing locking plate 5 is located in a closing cavity of the breaker box body 81 and close to the inner wall of the other side of the box body, and meanwhile, any interference and assembly influence cannot occur to other parts in the cavity through the opening locking plate 3 and the closing locking plate 5.
As shown in fig. 1, in order to adjust the height of the opening locking pin 4 conveniently, the opening locking pin 4 has a threaded section 41 capable of adjusting the height up and down relative to the opening locking plate 3, the opening locking pin 4 vertically penetrates through a through hole formed in the horizontally arranged opening locking plate 3, and a locking nut arranged on the threaded section 41 enables the opening locking pin 4 and the opening locking plate 3 to be tightly fixed into a whole. Namely the utility model discloses the height of the rotatory separating brake fitting pin 4 of accessible ensures when rotating the safety lock, the locking connecting rod drives the height that separating brake fitting pin 4 shifted up and can offset, and accurate realization closing mechanism and separating brake mechanism can link the locking.
As shown in fig. 1, in order to prevent that the separating brake fitting pin from taking place the rotation about, the utility model discloses still including preventing the 4 circumferential direction's of separating brake fitting pin axial stop gear, axial stop gear is including installation fixed plate 6 and angle bar seat 7, the one end and the installation fixed plate 6 of angle bar seat 7 can be dismantled and be connected, the other end and the circuit breaker box fixed connection of angle bar seat 7, the perforation that is equipped with on the installation fixed plate 6 is passed to separating brake fitting pin 4.
The utility model discloses before the use, use it with reserve vacuum circuit breaker is supporting, when the safety lock locks, the lock core of safety lock 2 drives locking connecting rod 1 and moves up, makes the tip of separating brake fitting pin 4 and separating brake mechanism manual button 82 and combined floodgate locking plate on the locking connecting rod 1 and the pin 831 on the connecting axle 83 can offset in step, implements to lock the circuit breaker, otherwise, during the safety lock unblock, the tip of separating brake fitting pin 4 and separating brake mechanism manual button 82 and combined floodgate locking plate 5 and the pin 831 on the connecting axle 83 can the synchronous separation, implements the unblock to the circuit breaker.
The utility model relates to a mechanical lock can lock reserve vacuum circuit breaker under the unoperated state through mechanical lock, neither can be to its manual combined floodgate, also can manual separating brake, has effectively avoided operating personnel can take place the condition of maloperation to reserve vacuum circuit breaker, and the condition of having effectively avoided multiunit circuit breaker to switch on simultaneously or transmit power simultaneously takes place, simultaneously, the utility model discloses not only simple structure, simple to operate, operability and practicality are also very high moreover, have guaranteed the security of controlling to and reduce follow-up maintenance work load.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a prevent locking device of vacuum circuit breaker maloperation which characterized in that: comprises a locking connecting rod (1), a safety lock (2), a switching-off locking plate (3), a switching-off locking pin (4) and a switching-on locking plate (5),
the locking connecting rod (1) is arranged on the side wall of the box body of the circuit breaker, the two ends of the locking connecting rod (1) are respectively provided with a brake-separating locking plate (3) and a switch-on locking plate (5),
the opening locking plate (3) is provided with an opening locking pin (4) which is pressed against or separated from a manual button of the opening mechanism, the end part of the closing locking plate (5) is pressed against or separated from a pin on a connecting shaft connected with an energy storage spring of the closing mechanism, a lock cylinder of the safety lock (2) is fixedly connected with one end of the locking connecting rod (1),
when the safety lock (2) is locked, the lock cylinder of the safety lock (2) is enabled to synchronously abut against the pins on the connecting shaft through the locking connecting rod (1) so that the ends of the opening locking pin (4) and the opening mechanism manual button and the closing locking plate (5) are locked, otherwise, when the safety lock (2) is unlocked, the ends of the opening locking pin (4) and the opening mechanism manual button and the closing locking plate (5) are synchronously separated from the pins on the connecting shaft so as to unlock the circuit breaker.
2. The locking device for preventing the misoperation of the vacuum circuit breaker according to claim 1, wherein: the locking connecting rod (1) is integrally of a U-shaped structure after being connected with the opening locking plate (3) and the closing locking plate (5), and the opening locking plate (3) and the closing locking plate (5) are respectively positioned in the box body of the circuit breaker.
3. The locking device for preventing the misoperation of the vacuum circuit breaker according to claim 1, wherein: the separating brake locking pin (4) is provided with a thread section (41) which can adjust the height of the separating brake locking plate (3) relatively, the separating brake locking pin (4) vertically penetrates through a through hole formed in the separating brake locking plate (3) horizontally arranged, and a locking nut arranged on the thread section (41) enables the separating brake locking pin (4) and the separating brake locking plate (3) to be tightly fixed into a whole.
4. The locking device for preventing the misoperation of the vacuum circuit breaker according to claim 1, wherein: still including preventing separating brake fitting pin (4) circumferential direction's axial stop gear, axial stop gear is including installation fixed plate (6) and angle bar seat (7), the one end and the installation fixed plate (6) of angle bar seat (7) can be dismantled and be connected, the other end and the circuit breaker box fixed connection of angle bar seat (7), separating brake fitting pin (4) pass the perforation that is equipped with on installation fixed plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223123846.3U CN218676925U (en) | 2022-11-23 | 2022-11-23 | Locking device for preventing misoperation of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223123846.3U CN218676925U (en) | 2022-11-23 | 2022-11-23 | Locking device for preventing misoperation of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218676925U true CN218676925U (en) | 2023-03-21 |
Family
ID=85540619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223123846.3U Active CN218676925U (en) | 2022-11-23 | 2022-11-23 | Locking device for preventing misoperation of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218676925U (en) |
-
2022
- 2022-11-23 CN CN202223123846.3U patent/CN218676925U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Jianlong Inventor before: Huang Jianlong |
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| CB03 | Change of inventor or designer information |