CN218976154U - Triple locking device of high-voltage switch cabinet - Google Patents
Triple locking device of high-voltage switch cabinet Download PDFInfo
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- CN218976154U CN218976154U CN202223304887.2U CN202223304887U CN218976154U CN 218976154 U CN218976154 U CN 218976154U CN 202223304887 U CN202223304887 U CN 202223304887U CN 218976154 U CN218976154 U CN 218976154U
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- cabinet door
- circuit breaker
- movable baffle
- locking
- locking mechanism
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Abstract
The utility model discloses a triple locking device of a high-voltage switch cabinet, which comprises a high-voltage switch cabinet main body and a cabinet door hinged to the high-voltage switch cabinet main body, wherein the cabinet door is locked through a circuit breaker cabinet door lock hole, a power circuit breaker is arranged in the high-voltage switch cabinet main body, a switch opening corresponding to a circuit breaker switch of the power circuit breaker is arranged on the cabinet door, a grounding disconnecting link is arranged on the high-voltage switch cabinet main body on the side where the cabinet door is arranged, a movable baffle is hinged to the end face of the cabinet door, and a first locking mechanism and a second locking mechanism are respectively arranged at different positions of the cabinet door and are respectively matched with the movable baffle in different scenes. Through the mutual matching of the movable baffle and the first locking mechanism, the utility model realizes that an operator can lock three independent positions simultaneously through one-time operation during maintenance, improves the maintenance efficiency and greatly reduces the occurrence of safety accidents.
Description
Technical Field
The utility model relates to the technical field of electrical cabinets, in particular to a triple locking device of a high-voltage switch cabinet.
Background
The high-voltage switch cabinet is generally used for application scenes such as power generation, power transmission, power distribution, electric energy conversion, consumption and the like of a power system, and plays roles of on-off, control or protection and the like. The high-voltage switch cabinet can be used for electric products of 3.6 kV-550 kV according to voltage grades.
In the current maintenance process of high-voltage switch cabinets, the power circuit breaker, the grounding disconnecting link and the cabinet door lock of the circuit breaker are opened, closed and the like, and in order to avoid dangerous accidents such as electric shock and abnormal power transmission of personnel caused by misoperation and non-standard operation, three independent safety locks are required to be locked on the power circuit breaker, the grounding disconnecting link and the cabinet door lock of the circuit breaker in the maintenance process. However, in the actual use process, the design of the high-voltage switch cabinet does not provide a special locking device, or an operator cannot always complete the locking of three independent locks according to the requirement, so that safety accidents are caused. Therefore, the user establishes a safe use method according to practical application, but because the management method and measures of each user are inconsistent, the safety consciousness of users is different, and three locks are needed to be locked at the same time to achieve a safe state, so that complicated operation and the like are caused, and the phenomena that the users are not locked or are locked less, the door is opened illegally and the like are often caused in the process of checking and maintaining the high-voltage switch cabinet and using, and safety accidents are further caused.
It is therefore necessary to redesign an efficient locking device.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the triple locking device for the high-voltage switch cabinet, which realizes that one lock simultaneously locks three positions of a power circuit breaker, a grounding disconnecting link and a door lock of the circuit breaker cabinet, improves the maintenance efficiency and quality, and greatly reduces the occurrence of safety accidents.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the triple locking device of the high-voltage switch cabinet comprises a high-voltage switch cabinet main body and a cabinet door hinged to the high-voltage switch cabinet main body, wherein the cabinet door is locked through a lock hole of a cabinet door of a circuit breaker, the high-voltage switch cabinet main body is internally provided with the circuit breaker of the circuit breaker, the cabinet door is provided with a switch opening corresponding to the circuit breaker of the circuit breaker, the high-voltage switch cabinet main body at the side where the cabinet door is arranged is provided with a grounding disconnecting link, the end surface of the cabinet door is hinged with a movable baffle, and a first locking mechanism and a second locking mechanism are respectively arranged at different positions of the cabinet door,
when the movable baffle rotates and is locked by the first locking mechanism, the movable baffle completely shields the grounding disconnecting link, the lock hole of the cabinet door of the circuit breaker and the switch opening of the power circuit breaker;
when the movable baffle rotates and is locked by the second locking mechanism, the grounding disconnecting link, the lock hole of the cabinet door of the circuit breaker and the switch opening of the power circuit breaker are separated from shielding of the movable baffle.
Further, the power breaker switch opening and the breaker cabinet door lock hole are all located at the lower part of the cabinet door and are located on the same horizontal plane, the grounding disconnecting link is located below the breaker cabinet door lock hole and is adjacent to the lower end of the cabinet door, the movable baffle is a plane plate body with a bent L shape, the movable baffle is hinged to the cabinet door through a hinge seat at the root of the L-shaped bent portion of the movable baffle, when the movable baffle is connected with the first locking mechanism, the L-shaped long edge of the movable baffle covers the breaker cabinet door lock hole and the power breaker switch opening at the same time, and the L-shaped short edge of the movable baffle covers the grounding disconnecting link.
Further, the first locking mechanism comprises a first locking safety hasp and a second locking safety hasp, and the movable baffle is positioned by combining the first locking safety hasp and the second locking safety hasp and locked through a safety lock.
Further, the second locking mechanism comprises a first elastic buckle and a second elastic buckle, and the first elastic buckle and the second elastic buckle are combined to form the movable baffle to be locked and positioned.
The utility model has the beneficial effects that: the movable baffle is matched with the first locking mechanism, so that the switch opening of the grounding switch, the lock hole of the cabinet door of the circuit breaker and the switch opening of the power circuit breaker are simultaneously covered, and an operator can lock three independent positions simultaneously through one-time operation during maintenance, thereby improving the maintenance efficiency and greatly reducing the occurrence of safety accidents; after the maintenance is unlocked, the movable baffle is matched with the second locking mechanism, namely, the three positions are independently unlocked, and the normal operation of the whole system is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the inspection and maintenance of a high-voltage switch cabinet;
FIG. 2 is a schematic diagram of a structure of the high-voltage switch cabinet of the utility model after being opened for non-inspection maintenance;
FIG. 3 is a schematic view of the structure of the present utility model.
Detailed Description
The utility model will be described in further detail with reference to specific embodiments and drawings.
The triple locking device of the high-voltage switch cabinet as shown in figures 1-3 comprises a high-voltage switch cabinet main body 3 and a cabinet door 5 hinged on the main body, wherein the cabinet door 5 is locked through a circuit breaker cabinet door lock hole 2, a power circuit breaker 4 is arranged in the high-voltage switch cabinet main body 3, a switch opening corresponding to a circuit breaker switch of the power circuit breaker 4 is arranged on the cabinet door 5, a grounding knife switch 1 is arranged on the high-voltage switch cabinet main body 3 on the side where the cabinet door 5 is arranged, a movable baffle 10 is hinged on the end surface of the cabinet door 5, a first locking mechanism and a second locking mechanism are respectively arranged at different positions of the cabinet door 5,
when the movable baffle 10 rotates and is locked by the first locking mechanism, the movable baffle 10 completely shields the grounding disconnecting link 1, the lock hole 2 of the cabinet door of the circuit breaker and the opening and closing opening of the power circuit breaker 4;
when the movable baffle 10 rotates and is locked by the second locking mechanism, the earthing knife-switch 1, the lock hole 2 of the circuit breaker cabinet door and the switch opening of the power circuit breaker 4 are separated from the shielding of the movable baffle 10.
The high-voltage switch cabinet can be modified by adopting the traditional high-voltage switch cabinet, or a brand-new high-voltage switch cabinet can be manufactured, and an operator can shelter from, lock and position the grounding disconnecting link 1, the circuit breaker cabinet door lock hole 2 and the power circuit breaker 4 through one-time operation when checking and maintaining are realized by utilizing different positions of the movable baffle 10 on the cabinet door 5, so that the operation intensity of the operator is reduced, the checking and maintaining efficiency is improved, and meanwhile, the occurrence of safety accidents is greatly reduced.
Specifically, as shown in the present illustration 2 and 3, the switch opening of the power circuit breaker 4 and the lock hole 2 of the door of the circuit breaker are all located at the lower part of the door 5 and are located on the same horizontal plane, the grounding disconnecting link 1 is located below the lock hole 2 of the door of the circuit breaker and is adjacent to the lower end of the door 5, wherein the movable baffle 10 is a plane plate body with a bent L shape, the movable baffle 10 is hinged on the door 5 through the hinge seat 9 at the root of the bent L shape, when the movable baffle 10 is connected with the first locking mechanism, the L-shaped long side of the movable baffle 10 simultaneously covers the lock hole 2 of the door of the circuit breaker and the switch opening of the power circuit breaker 4, and the L-shaped short side of the movable baffle 10 covers the grounding disconnecting link 1.
In practical application, the positions of the switch opening of the power circuit breaker 4, the lock hole 2 of the cabinet door of the circuit breaker and the grounding disconnecting link 1 may not be consistent with the illustrated position, and the shape of the movable baffle 10 needs to be adjusted according to the positions of the switch opening of the power circuit breaker 4, the lock hole 2 of the cabinet door of the circuit breaker and the grounding disconnecting link 1, so that the movable baffle 10 can mask and lock the switch opening of the power circuit breaker 4, the lock hole 2 of the cabinet door of the circuit breaker and the grounding disconnecting link 1.
In this case, the first locking mechanism includes a first locking safety catch 7 and a second locking safety catch 8, and the first locking safety catch 7 and the second locking safety catch 8 are combined to position the movable barrier 10 and are locked by the safety lock 6. The second locking mechanism comprises a first elastic buckle 11 and a second elastic buckle 12, and the first elastic buckle 11 and the second elastic buckle 12 are combined to form a locking position for the movable baffle 10. The first locking safety buckle 7, the second locking safety buckle 8, the first elastic buckle 11 and the second elastic buckle 12 in the illustration are conventional locking devices, similar to door lock buckles, elastic buckles and the like, so redundant description is omitted again. Of course, in practical applications, the safety buckle and the elastic buckle can be replaced by other structures or locking mechanisms, and normal use of the movable baffle 10 will not be affected.
When the device is used, namely when maintenance is needed, the special handle is used for anticlockwise rotating the power circuit breaker 4 to withdraw the vehicle, so that the power circuit breaker of the high-voltage switch cabinet is in an off state, after the power circuit breaker is disconnected, the special handle is used for clockwise rotating the grounding disconnecting link 1, so that the grounding disconnecting link 1 of the high-voltage switch cabinet is in a grounding state, after the whole system is safely grounded, the movable baffle 10 is ensured to be rotated to a horizontal position, the movable baffle 10 is matched with the first locking mechanism, after the first locking safety hasp 7, the second locking safety hasp 8 and the safety lock 6 are matched for locking the movable baffle 10, the power circuit breaker 4 switch opening, the circuit breaker cabinet door lock hole 2 and the grounding disconnecting link 1 can be hidden and locked, energy isolation is realized, and illegal opening is avoided. After the maintenance is finished, the movable baffle 10 is vertically arranged, so that the movable baffle 10 is matched with the first elastic buckle 11 and the second elastic buckle 12, and the movable baffle 10 is locked.
The foregoing has described in detail the technical solutions provided by the embodiments of the present utility model, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present utility model, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present utility model; meanwhile, as for those skilled in the art, according to the embodiments of the present utility model, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present utility model.
Claims (4)
1. The utility model provides a high tension switchgear trigeminy locking device, includes high tension switchgear main part (3) and last hinged joint's cabinet door (5), cabinet door (5) lock through circuit breaker cabinet door lockhole (2), have power circuit breaker (4) in high tension switchgear main part (3), have on cabinet door (5) can with the corresponding switch mouth of circuit breaker switch of power circuit breaker (4), cabinet door (5) place the side have ground connection switch (1) on high tension switchgear main part (3), its characterized in that: the end face of the cabinet door (5) is hinged with a movable baffle (10), and a first locking mechanism and a second locking mechanism are respectively arranged at different positions of the cabinet door (5), wherein,
when the movable baffle (10) rotates and is locked by the first locking mechanism, the movable baffle (10) completely shields the grounding disconnecting link (1), the lock hole (2) of the circuit breaker cabinet door and the switch port of the power circuit breaker (4) at the same time;
when the movable baffle (10) rotates and is locked by the second locking mechanism, the grounding disconnecting link (1), the lock hole (2) of the cabinet door of the circuit breaker and the switch opening of the power circuit breaker (4) are separated from the shielding of the movable baffle (10).
2. The three-way locking device of a high-voltage switch cabinet according to claim 1, wherein: the utility model discloses a power circuit breaker (4) switch mouth, circuit breaker cabinet door lockhole (2) all are in cabinet door (5) lower part, and be in on the same horizontal plane, ground connection switch (1) are in the below of circuit breaker cabinet door lockhole (2), and be close to cabinet door (5) lower extreme, wherein, movable baffle (10) are the plane plate body of buckling L form, this movable baffle (10) hinge in through hinge seat (9) of its L shape root of buckling on cabinet door (5), works as movable baffle (10) with when first locking mechanism connects, the L shape long limit of this movable baffle (10) is covered simultaneously circuit breaker cabinet door lockhole (2) power circuit breaker (4) switch mouth, the L shape minor face of this movable baffle (10) is covered ground connection switch (1).
3. A high voltage switchgear triple locking device according to claim 1 or 2, characterized in that: the first locking mechanism comprises a first locking safety hasp (7) and a second locking safety hasp (8), and the first locking safety hasp (7) and the second locking safety hasp (8) are combined to form the movable baffle (10) to be positioned and locked through the safety lock (6).
4. A high voltage switchgear triple locking device according to claim 1 or 2, characterized in that: the second locking mechanism comprises a first elastic buckle (11) and a second elastic buckle (12), and the first elastic buckle (11) and the second elastic buckle (12) are combined to form a locking position for the movable baffle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223304887.2U CN218976154U (en) | 2022-12-07 | 2022-12-07 | Triple locking device of high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223304887.2U CN218976154U (en) | 2022-12-07 | 2022-12-07 | Triple locking device of high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218976154U true CN218976154U (en) | 2023-05-05 |
Family
ID=86152754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223304887.2U Active CN218976154U (en) | 2022-12-07 | 2022-12-07 | Triple locking device of high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218976154U (en) |
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2022
- 2022-12-07 CN CN202223304887.2U patent/CN218976154U/en active Active
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