CN210723785U - Locking device for preventing mistaken opening of electrical cabinet - Google Patents
Locking device for preventing mistaken opening of electrical cabinet Download PDFInfo
- Publication number
- CN210723785U CN210723785U CN201922145591.2U CN201922145591U CN210723785U CN 210723785 U CN210723785 U CN 210723785U CN 201922145591 U CN201922145591 U CN 201922145591U CN 210723785 U CN210723785 U CN 210723785U
- Authority
- CN
- China
- Prior art keywords
- door
- cabinet door
- travel switch
- cabinet
- cabinet body
- 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.)
- Active
Links
Images
Landscapes
- Patch Boards (AREA)
Abstract
The utility model relates to an electrical equipment five-prevention shutting technical field specifically discloses a regulator cubicle prevents mistake blocking device that opens door, including the cabinet body that is provided with electrified device, the cabinet body is provided with the cabinet door of rotating and opening, the cabinet body is close to the position that the cabinet door set up door-hinge one side is provided with the rocking arm formula from restoring to the throne travel switch, the rocking arm formula is provided with the reduction gear from restoring to the throne on the cabinet body on travel switch upper portion, the normal close contact of rocking arm formula from restoring to the throne travel switch establishes ties with the tripping operation coil and the tripping operation power supply of switch. The utility model discloses a to prevent that the locking device that opens the door sets up the mode near cabinet door pivot for operating personnel can only open completely at the cabinet door, prevent that the mistake after the locking action that opens the door can contact the locking device that opens the door, stopped operating personnel and removed the possibility of shutting, improved equipment and personnel's safety.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment five-prevention shutting technique and specifically relates to a locking device that prevents mistakenly opening door of regulator cubicle is related to.
Background
In order to prevent accidents to operation and maintenance personnel caused by misoperation, the device is required to have electrical anti-misoperation locking or mechanical anti-misoperation locking functions during equipment maintenance and operation, and two anti-misoperation locking functions can be realized when the device is required to operate in safety design. The mechanical anti-misoperation lockout is a mechanical mechanism which is linked and restricted among mechanical structures such as a switch cabinet breaker, a disconnecting link switch, a grounding disconnecting link operating mechanism and the like, so that accidents caused by a certain misoperation instruction are prevented, and a lockout structural mode among the mechanisms is realized. The existing anti-misoperation door-opening locking device is usually arranged at a position near a door lock or a door lock, the arrangement mode provides convenience for releasing the locking for an operator, and the operator can release the locking in the initial stage of opening the cabinet door in order to reduce the power failure time, even when the cabinet door is not opened, through modes such as a clamping plug and the like, so that the live working is realized, and certain potential safety hazards are brought to equipment and personnel.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at prior art not enough, provide an interlocking device prevents that open door is prevented to regulator cubicle, through will prevent the mode that the interlocking device that opens door sets up near cabinet door pivot for operating personnel can only open completely at the cabinet door, prevent that the interlocking action that opens door can only contact the interlocking device that prevents open door by mistake after, stopped operating personnel and removed the possibility of shutting, improved equipment and personnel's safety.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a locking device for preventing an electric cabinet from being opened by mistake comprises a cabinet body provided with a live device, wherein a cabinet door opened by rotation is arranged on the cabinet body, a rocker arm type self-resetting travel switch is arranged at a position, close to one side of the cabinet door, provided with a door shaft, of the cabinet body, a speed reducer is arranged on the cabinet body at the upper part of the rocker arm type self-resetting travel switch, a rotating shaft of the rocker arm type self-resetting travel switch is connected with a high-speed shaft of the speed reducer, and a low-speed shaft of the speed reducer is provided with a rotating arm; the rocker arm is arranged in a direction that when the cabinet door moves towards a closing direction, the rocker arm drives the rocker arm type self-resetting travel switch to act through the speed reducer, and a normally closed contact of the rocker arm type self-resetting travel switch is connected with a tripping coil of a power switch and a tripping power supply in the cabinet body in series.
Furthermore, a torsion spring is arranged between the rotating arm and the speed reducer.
Further, the transformation ratio of the speed reducer is not less than 20.
Furthermore, the end part of the rotating arm is provided with a roller with a rotating shaft parallel to the rotating shaft of the cabinet door.
The utility model has the advantages that:
the utility model discloses a mode that will prevent that the maloperation door locking device that opens door sets up near the cabinet door pivot makes operating personnel can only contact preventing the maloperation door locking device that opens door after the cabinet door is opened completely, preventing the maloperation door locking action, has stopped operating personnel and has relieved the possibility of shutting, has improved the safety of equipment and personnel; and the reduction gear amplifies the rotating motion amplitude and angle caused by opening the cabinet door, so that when the cabinet door is opened at a smaller angle, the rocker arm type self-resetting travel switch can be actuated, and the safety and reliability of locking the cabinet door can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic top view of the present invention.
In the figure: the cabinet comprises a cabinet door 1, a roller 2, a rotating arm 3, a torsion spring 4, a speed reducer 5, a rocker arm type self-resetting travel switch 6 and a cabinet body 7.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the locking device for preventing the electrical cabinet from being opened by mistake comprises a cabinet body 7 provided with an electrified device, wherein the cabinet body 7 is provided with a cabinet door 1 which is opened by rotation, a rocker arm type self-resetting travel switch 6 is arranged at a position, close to one side of the cabinet door 1, provided with a door shaft, of the cabinet body 7, the rocker arm type self-resetting travel switch 6 is in the prior art, is a common low-current master electrical appliance, and realizes connection or disconnection of a control circuit by utilizing the action of a contact of a mechanical motion part through collision, so that a certain control purpose is achieved. Such as Deleisi LXK3-20S/D type elastic swing rod type self-reset limit switch, Zhengtai YBLX-P1-120/1G type adjustable roller 2 swing arm 3 type self-reset limit switch and the like.
A speed reducer 5 is arranged on a cabinet body 7 at the upper part of the rocker arm type self-resetting travel switch 6, a rotating shaft of the rocker arm type self-resetting travel switch 6 is connected with a high-speed shaft of the speed reducer 5, and a low-speed shaft of the speed reducer 5 is provided with a rotating arm 3 extending to the opening direction of the cabinet door 1; the rotating arm 3 is arranged in a direction that when the cabinet door 1 moves towards a closing direction, the rotating arm 3 drives the rocker arm type self-resetting travel switch 6 to act through the speed reducer 5. The reducer 5 is mainly used for amplifying the rotation with smaller amplitude of a low-speed shaft to cause the rotation with larger amplitude of a high-speed shaft, so that the corresponding movement of the rotating arm 3 caused when the cabinet door 1 is opened is realized, and the action of the rocker arm type self-resetting travel switch 6 can be caused when the opening angle of the cabinet door 1 is smaller.
Through the arrangement mode, once the cabinet door 1 is opened, the rocker arm type self-resetting travel switch 6 acts to reset immediately, so that the tripping power supply is communicated with the tripping coil, the power switch in the cabinet body 7 trips, and the effect of preventing mistaken opening of the cabinet door 1 is achieved.
In this embodiment, further, a torsion spring 4 is disposed between the rotating arm 3 and the speed reducer 5, when the cabinet door 1 is closed, the torsion spring 4 is pushed by the rotating arm 3 extending to the opening direction of the cabinet door 1, the torsion spring 4 stores force, when the cabinet door 1 is opened, the torsion spring 4 is released, and under the resultant force of the actions of the rocker arm type self-resetting travel switch 6, the rotating arm 3 is driven to move, and the rocker arm type self-resetting travel switch 6 is reset to complete corresponding contact and switch actions.
In this embodiment, further, the transformation ratio of the speed reducer 5 is not less than 20, and with the increase of the transformation ratio of the speed reducer 5, the rocker arm type self-resetting travel switch 6 can be actuated when the opening angle of the cabinet door 1 is smaller, which is beneficial to further improving the safety.
In the embodiment, further, the end of the rotating arm 3 is provided with a roller 2 with a rotating shaft parallel to the rotating shaft of the cabinet door 1, and the sliding motion between the end of the rotating arm 3 and the cabinet door 1 is changed into rolling motion through the roller 2, so that the friction force is reduced, and a guarantee is provided for the more sensitive motion of the rocker-arm self-resetting travel switch 6.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (4)
1. The utility model provides an regulator cubicle prevents mistake locking device that opens door, is including the cabinet body (7) that is provided with electrified device, cabinet body (7) are provided with rotate cabinet door (1) of opening, its characterized in that: a rocker arm type self-resetting travel switch (6) is arranged at a position, close to one side, provided with a door shaft, of the cabinet body (7), the position is arranged at the upper part of the rocker arm type self-resetting travel switch (6), a speed reducer (5) is arranged on the cabinet body (7), a rotating shaft of the rocker arm type self-resetting travel switch (6) is connected with a high-speed shaft of the speed reducer (5), and a low-speed shaft of the speed reducer (5) is provided with a rotating arm (3) extending towards the opening direction of the cabinet door (1); the direction of the rotating arm (3) is set so that when the cabinet door (1) moves towards the closing direction, the rotating arm (3) drives the rocker arm type self-resetting travel switch (6) to act through the speed reducer (5), and a normally closed contact of the rocker arm type self-resetting travel switch (6) is connected with a tripping coil and a tripping power supply of a power switch in the cabinet body (7) in series.
2. The electrical cabinet door opening and closing prevention device according to claim 1, wherein: and a torsion spring (4) is arranged between the rotating arm (3) and the speed reducer (5).
3. The electrical cabinet door opening and closing prevention device according to claim 1, wherein: the transformation ratio of the speed reducer (5) is not less than 20.
4. The electrical cabinet door opening and closing prevention device according to claim 1, wherein: the end part of the rotating arm (3) is provided with a roller (2) with a rotating shaft parallel to the rotating shaft of the cabinet door (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922145591.2U CN210723785U (en) | 2019-12-04 | 2019-12-04 | Locking device for preventing mistaken opening of electrical cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922145591.2U CN210723785U (en) | 2019-12-04 | 2019-12-04 | Locking device for preventing mistaken opening of electrical cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210723785U true CN210723785U (en) | 2020-06-09 |
Family
ID=70937838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922145591.2U Active CN210723785U (en) | 2019-12-04 | 2019-12-04 | Locking device for preventing mistaken opening of electrical cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210723785U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707580A (en) * | 2019-08-28 | 2020-01-17 | 贵州电网有限责任公司 | In put cabinet circuit breaker and overhaul blocking device |
| CN114709723A (en) * | 2022-03-30 | 2022-07-05 | 宁波天安（集团）股份有限公司 | Electric door of low-voltage switch cabinet |
-
2019
- 2019-12-04 CN CN201922145591.2U patent/CN210723785U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707580A (en) * | 2019-08-28 | 2020-01-17 | 贵州电网有限责任公司 | In put cabinet circuit breaker and overhaul blocking device |
| CN110707580B (en) * | 2019-08-28 | 2020-12-01 | 贵州电网有限责任公司 | In put cabinet circuit breaker and overhaul blocking device |
| CN114709723A (en) * | 2022-03-30 | 2022-07-05 | 宁波天安（集团）股份有限公司 | Electric door of low-voltage switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210723785U (en) | Locking device for preventing mistaken opening of electrical cabinet | |
| CN201307531Y (en) | Five-prevention blocking device of switchgear | |
| CN108539648B (en) | Interlocking mechanism for high-voltage switch cabinet | |
| CN107359534B (en) | Valve interlocking device special for SF6 circuit breaker | |
| CN115910645A (en) | Down-pressing type cabinet door interlocking mechanism of upper isolation lower circuit breaker switch cabinet | |
| CN201466471U (en) | Safety device of high-voltage complete-set switch cabinet | |
| CN205282966U (en) | Interlock of cubical switchboard valve and well door | |
| CN201315419Y (en) | Net door interlocking device for transformer room | |
| CN203826789U (en) | Interlocking mechanism of high-voltage switch cabinet | |
| CN206672847U (en) | It is a kind of to operate light non-maintaining disconnecting switch | |
| CN205487822U (en) | Operating device that interlocks is prevented to QHA2 type middle and high voltage fixed five | |
| CN115910644A (en) | Interlocking mechanism for plug-in cabinet door of upper isolation lower circuit breaker switch cabinet | |
| CN105449568A (en) | Interlocking device for valve and middle door of switchgear | |
| CN204315415U (en) | A kind of vacuum circuit-breaker isolating switch and cabinet door interlock | |
| CN108565185B (en) | Leakage indication protection mechanism and leakage indication protection method of leakage circuit breaker | |
| CN221552655U (en) | Switch cabinet mechanical interlocking device | |
| CN218769174U (en) | Upper isolation lower circuit breaker switch cabinet down-pressing type cabinet door interlocking mechanism | |
| CN218274404U (en) | Grounding interlocking mechanism of switch cabinet | |
| CN118232181B (en) | Emergency protection device for high-voltage cabinet | |
| CN205231601U (en) | Valve locking means | |
| CN205230921U (en) | Interlocking device of connection between rotation type isolator and cabinet door | |
| CN218769175U (en) | Interlocking mechanism for plug-in cabinet door of upper isolation lower circuit breaker switch cabinet | |
| CN114628206B (en) | Drawer integrated type opening and closing linkage actuating mechanism | |
| CN212136337U (en) | Interlocking device for switch cabinet circuit breaker and grounding switch | |
| CN117790211B (en) | Environment-friendly cabinet upper belt forced interlocking isolation mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |