CN210577033U - Anti-misoperation protection device for grounding switch of high-voltage cabinet - Google Patents
Anti-misoperation protection device for grounding switch of high-voltage cabinet Download PDFInfo
- Publication number
- CN210577033U CN210577033U CN201921596983.4U CN201921596983U CN210577033U CN 210577033 U CN210577033 U CN 210577033U CN 201921596983 U CN201921596983 U CN 201921596983U CN 210577033 U CN210577033 U CN 210577033U
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- China
- Prior art keywords
- baffle
- operation hole
- voltage cabinet
- shutter
- operating shaft
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Abstract
The utility model relates to a high-voltage board earthing switch misoperation prevention protection device, which comprises a high-voltage board and an operating shaft which is arranged on the inner side wall of the high-voltage board and used for controlling the switching-on and switching-off of the earthing switch, wherein the front side of the high-voltage board is provided with an operating hole which is corresponding to the front position of the operating shaft and used for a wrench to extend into the rotating operating shaft; the anti-misoperation mechanism comprises a baffle which is positioned at the inner side of the operation hole and can move up and down, a poking sheet which is bent forwards and penetrates out of the operation hole is arranged at the upper part of the baffle, and a spring which pushes the baffle upwards is arranged below the baffle; the shutter is arranged on the outer side of the operation hole and is blocked below the shifting piece, one end of the shutter is hinged to one side of the operation hole, the other side of the operation hole is provided with a locking plate, and the other end of the shutter is provided with a locking piece fixedly locked with the locking plate through a lockset. The utility model discloses increased the mistake prevention measure, the security is high, reduces the risk of staff's maloperation, guarantees equipment safety and staff's personal safety.
Description
Technical Field
The utility model relates to a high-voltage board earthing switch prevents maloperation protection device.
Background
When the high-voltage cabinet is maintained, before a cabinet door is opened, the grounding switch needs to be switched to a closing state; when the grounding switch needs to be switched to an opening state, the cabinet door of the high-voltage cabinet must be in a closing state, and the safety of workers and equipment can be ensured; in the actual operation process, workers often paralysis and misoperation, the danger is extremely high, equipment is easy to damage, and the life safety of the workers is seriously threatened.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a high-voltage board earthing switch prevents mistake operation protection device novel structure, and security is high.
The utility model discloses a following scheme realizes: a high-voltage cabinet grounding switch anti-misoperation protection device comprises a high-voltage cabinet and an operating shaft which is arranged on the inner side wall of the high-voltage cabinet and used for controlling the switching-on and switching-off of the grounding switch, wherein the front side of the high-voltage cabinet is provided with an operating hole which corresponds to the front position of the operating shaft and is used for a wrench to extend into the rotating operating shaft; the anti-misoperation mechanism comprises a baffle which is positioned at the inner side of the operation hole and can move up and down, a poking sheet which is bent forwards and penetrates out of the operation hole is arranged at the upper part of the baffle, and a spring which pushes the baffle upwards is arranged below the baffle; the shutter is arranged on the outer side of the operation hole and is blocked below the shifting piece, one end of the shutter is hinged to one side of the operation hole, the other side of the operation hole is provided with a locking plate, and the other end of the shutter is provided with a locking piece fixedly locked with the locking plate through a lockset.
Furthermore, the lower part of the baffle is provided with a folded plate which is bent inwards by 90 degrees, the spring is positioned below the folded plate, a guide shaft for moving and guiding the baffle is arranged on the folded plate in a penetrating way, the lower end of the guide shaft is fixedly connected to the high-voltage cabinet, and the spring is sleeved on the guide shaft.
Furthermore, the upper side of the rear part of the folded plate is provided with a limit convex part, the front end part of the operating shaft is provided with a limit baffle ring positioned above the limit convex part, and the lower side of the limit baffle ring is provided with a limit clamping groove matched with the limit convex part when the baffle moves upwards
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses high-voltage board earthing switch prevents maloperation protection device novel structure, reasonable in design has increased the mistake prevention measure, can avoid the staff to the operating axis maloperation of earthing switch, and the security is high, and the practicality is strong, reduces the risk of staff's maloperation, guarantees equipment safety and staff's personal safety.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the error prevention mechanism in the embodiment of the present invention;
FIG. 3 is a view from the direction H in FIG. 2;
FIG. 4 is a schematic view of the matching between the limit stop ring and the limit protrusion of the anti-misoperation mechanism in the embodiment of the present invention;
the reference numbers in the figures illustrate: 100-high-voltage cabinet, 110-operation hole, 200-grounding switch, 300-operation shaft, 400-error prevention mechanism, 410-baffle, 411-plectrum, 412-folded plate, 413-limit convex part, 420-spring, 430-door, 431-locking plate, 440-locking plate, 450-lockset, 460-guide shaft, 470-limit retaining ring and 480-bottom plate.
Detailed Description
As shown in fig. 1 to 4, an anti-misoperation protection device for a grounding switch of a high-voltage board comprises a high-voltage board 100 and an operating shaft 300 which is arranged on the inner side wall of the high-voltage board 100 and used for controlling the opening and closing of the grounding switch 200, wherein the front surface of the high-voltage board 100 is provided with an operating hole 110 which corresponds to the front end position of the operating shaft and is used for a wrench to extend into the rotating operating shaft; the anti-misoperation mechanism 400 is arranged at the operating hole, the anti-misoperation mechanism 400 comprises a baffle plate 410 which is positioned at the inner side of the operating hole 110 and can move up and down, the upper part of the baffle plate 410 is provided with a shifting sheet 411 which is bent forwards and then penetrates out of the operating hole, and a spring 420 which pushes the baffle plate 410 upwards is arranged below the baffle plate; a stop door 430 which is stopped below the poking piece 411 is installed on the outer side of the operation hole 110, one end of the stop door 430 is hinged to one side of the operation hole, a locking plate 440 is arranged on the other side of the operation hole, and a locking piece 431 which is fixedly locked with the lock 440 through a lock 450 is arranged on the other end of the stop door.
The baffle 610 moves upwards under the action of the third spring to close the operation hole 110, and when a worker inserts a wrench, the worker needs to press the shifting piece 411 downwards to enable the baffle 410 to move downwards to open the operation hole so as to insert the wrench; the lock plate and the lock plate are provided with through holes for the lock hook of the lock to pass through, the lock plate and the shutter are arranged on the same bottom plate 480, the lock plate is welded on the bottom plate, the shutter is hinged on the bottom plate, the bottom plate 480 is fixedly connected to the operation hole on the front side of the high-voltage cabinet through a screw, and the bottom plate is provided with a square window positioned right in front of the operation hole; the stop door 430 is used as another door for protecting the operation hole, when a worker rotates the operation shaft, the lock needs to be opened by a key, then the stop door is opened, finally the baffle is opened, and an insertion wrench is adopted; when the shutter is closed, the shifting piece of the baffle is clamped on the upper side of the shutter, so that the shifting piece can be pushed downwards only by opening the shutter first. The key for opening the lock is handed to a safety worker for management, the worker applies for the safety worker when needing to open the lock, and the lock is opened after the safety worker checks and confirms that the lock is not mistaken.
The utility model discloses high-voltage board earthing switch prevents maloperation protection device has increased the mistake prevention measure, can avoid the staff to the operating axis maloperation of earthing switch, and the security is high, reduces the risk of staff's maloperation, guarantees equipment safety and staff's personal safety.
In this embodiment, the lower portion of the baffle 410 has a flap 412 bent inward by 90 °, the spring 420 is located below the flap 412, a guide shaft 460 for guiding the movement of the baffle passes through the flap 412, the lower end of the guide shaft is fixedly connected to the high voltage cabinet, and the third spring 420 is sleeved on the guide shaft.
In this embodiment, a limiting convex part 413 is arranged on the upper side of the rear part of the folded plate 412, a limiting stop ring 470 positioned above the limiting convex part is arranged at the front end part of the operating shaft, and a limiting slot matched with the limiting convex part when the baffle moves upwards is arranged on the lower side of the limiting stop ring; when the baffle is in a closed state (i.e. in an upward position), the limit protruding ring 413 is clamped into the clamping groove on the limit baffle ring, so that the operation shaft is limited to rotate, namely, when the baffle is pressed down to be opened, the operation shaft cannot rotate.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (3)
1. A high-voltage cabinet grounding switch anti-misoperation protection device comprises a high-voltage cabinet and an operating shaft which is arranged on the inner side wall of the high-voltage cabinet and used for controlling the switching-on and switching-off of the grounding switch, wherein the front side of the high-voltage cabinet is provided with an operating hole which corresponds to the front position of the operating shaft and is used for a wrench to extend into the rotating operating shaft; the method is characterized in that: the anti-misoperation mechanism comprises a baffle which is positioned at the inner side of the operation hole and can move up and down, a poking sheet which is bent forwards and penetrates out of the operation hole is arranged at the upper part of the baffle, and a spring which pushes the baffle upwards is arranged below the baffle; the shutter is arranged on the outer side of the operation hole and is blocked below the shifting piece, one end of the shutter is hinged to one side of the operation hole, the other side of the operation hole is provided with a locking plate, and the other end of the shutter is provided with a locking piece fixedly locked with the locking plate through a lockset.
2. The high-voltage cabinet grounding switch anti-misoperation protection device of claim 1, wherein: the baffle plate lower part has the folded plate of inside 90 degrees bendings, the spring is located the folded plate below, wear to be equipped with the guide shaft that is used for the baffle removal direction on the folded plate, guide shaft lower extreme fixed connection is on the high-voltage board, the spring suit is on the guide shaft.
3. The high-voltage cabinet grounding switch anti-misoperation protection device of claim 2, wherein: the baffle plate is characterized in that a limiting convex part is arranged on the upper side of the rear part of the folded plate, a limiting blocking ring positioned above the limiting convex part is arranged at the front end part of the operating shaft, and a limiting clamping groove matched with the limiting convex part when the baffle plate moves upwards is formed in the lower side of the limiting blocking ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921596983.4U CN210577033U (en) | 2019-09-24 | 2019-09-24 | Anti-misoperation protection device for grounding switch of high-voltage cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921596983.4U CN210577033U (en) | 2019-09-24 | 2019-09-24 | Anti-misoperation protection device for grounding switch of high-voltage cabinet |
Publications (1)
Publication Number | Publication Date |
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CN210577033U true CN210577033U (en) | 2020-05-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921596983.4U Expired - Fee Related CN210577033U (en) | 2019-09-24 | 2019-09-24 | Anti-misoperation protection device for grounding switch of high-voltage cabinet |
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CN (1) | CN210577033U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111790930A (en) * | 2020-06-23 | 2020-10-20 | 深圳市俊达通办公智能科技有限公司 | Electric drill capable of preventing mistaken touch switch |
CN112233923A (en) * | 2020-11-12 | 2021-01-15 | 国网新疆电力有限公司巴州供电公司 | Misoperation prevention device for electric lock cover |
-
2019
- 2019-09-24 CN CN201921596983.4U patent/CN210577033U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111790930A (en) * | 2020-06-23 | 2020-10-20 | 深圳市俊达通办公智能科技有限公司 | Electric drill capable of preventing mistaken touch switch |
CN111790930B (en) * | 2020-06-23 | 2021-05-18 | 永康市佰力仕电动工具有限公司 | Electric drill capable of preventing mistaken touch switch |
CN112233923A (en) * | 2020-11-12 | 2021-01-15 | 国网新疆电力有限公司巴州供电公司 | Misoperation prevention device for electric lock cover |
CN112233923B (en) * | 2020-11-12 | 2023-12-29 | 国网新疆电力有限公司巴州供电公司 | Misoperation preventing device for electric lock cover |
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Legal Events
Date | Code | Title | Description |
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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: 20200519 Termination date: 20200924 |