CN112233923A - Misoperation prevention device for electric lock cover - Google Patents
Misoperation prevention device for electric lock cover Download PDFInfo
- Publication number
- CN112233923A CN112233923A CN202011263088.8A CN202011263088A CN112233923A CN 112233923 A CN112233923 A CN 112233923A CN 202011263088 A CN202011263088 A CN 202011263088A CN 112233923 A CN112233923 A CN 112233923A
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- front side
- sealing plate
- locking
- operation box
- hole
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- 230000002265 prevention Effects 0.000 title description 6
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000000926 separation method Methods 0.000 claims 9
- 238000000034 method Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 8
- 238000010147 laser engraving Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
- E05B15/0205—Striking-plates, keepers, staples
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to the technical field of power equipment, in particular to an electric locking cover anti-misoperation device which comprises an operation box, a locking cover, a sealing plate and a padlock, wherein an operation mechanism for closing and opening an isolating switch is arranged in the operation box. The invention has reasonable and compact structure, can realize the sealing, limiting, beautiful and locking functions on the premise of not changing the structure of the box body of the original GIS equipment operating mechanism, effectively avoids the misoperation of GIS electric equipment caused by human factors, ensures the normal operation and maintenance of a power station, has low manufacturing cost, can be quickly installed and transformed on the box body of the GIS equipment operating mechanism in batches, can ensure that the locking cover and the sealing plate are more compact in matching by the limiting pin and the locking plate, is convenient for prompting an operator by arranging the operating information prompting layer, can mutually verify the operation process to be carried out when the operator operates, effectively avoids the misoperation of the operator, has strong reliability and has the characteristics of safety and high efficiency.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an electric lock cover anti-misoperation device.
Background
The gas insulated totally enclosed combined electrical apparatus GIS is composed of breaker, isolating switch, grounding switch, bus and connecting piece, all of which are enclosed in the metal grounding shell, the inside of the box is filled with SF6 insulating gas with certain pressure, so the box is also called SF6 full-closed combined electrical appliance, but the operating mechanism is arranged outside the GIS equipment, an operator can freely open an operating hole on the operating mechanism for operation, the phenomenon of misoperation of the operator is easy to occur, the equipment is damaged and has power failure in a small range if the operator is light, casualties and even systems are collapsed if the operator is heavy, the common misoperation prevention usually adopts the forms of an electric interlocking design, a microcomputer misoperation prevention system and a mechanical lock, and the mechanical lock is more convenient for maintenance and operation compared with the electric interlocking design and the microcomputer misoperation prevention system, meanwhile, the manufacturing cost is low, and the box body of the GIS equipment operating mechanism can be rapidly installed and transformed in batches.
Disclosure of Invention
The invention provides an electric lock cover misoperation prevention device, overcomes the defects of the prior art, and can effectively solve the problems of equipment failure and casualty caused by easy misoperation of operators in the operating mechanism of the existing gas-insulated fully-closed combined electrical apparatus.
The technical scheme of the invention is realized by the following measures: an electric lock cover misoperation preventing device comprises an operation box, a locking cover, a sealing plate and a padlock, wherein an operation mechanism for closing and opening an isolating switch is arranged in the operation box, a manual shaft capable of manually operating to close and open the isolating switch is arranged on the operation mechanism, an operation hole corresponding to the manual shaft is arranged on the front side of the operation box, the locking cover is arranged on the front side of the operation box and is of a box structure with a backward opening, an operation information prompting layer is arranged on the front side of the locking cover, a left mounting hole is arranged on the front side of the left part of the locking cover, a right mounting hole is arranged on the front side of the right part of the locking cover, the sealing plate is arranged in the locking cover, four connecting holes which are communicated from front to back are uniformly distributed on the front side of the sealing plate at intervals along the circumferential direction, fixed threaded holes which correspond to the connecting holes on the sealing plate one to one, and the sealing plate and the operation box are fixedly installed together through, the front side of the right part of the sealing plate is fixedly provided with a limiting pin, the front end of the limiting pin penetrates through the right mounting hole and is positioned in front of the locking cover, the front end of the front side of the left part of the sealing plate is fixedly provided with a lock plate, the left mounting hole is positioned in front of the locking cover, the front end of the lock plate is provided with a lock hole which is communicated up and down, the upper part of the padlock is provided with a lock beam, and the locking cover and the sealing plate are connected together.
The following is further optimization or/and improvement of the technical scheme of the invention:
the sealing plate can be in a rectangular plate structure, the locking cover is in a rectangular box structure, and each side edge of the sealing plate is close to the inner side wall corresponding to the locking cover.
The locking hole can be circular, the distance from the central axis of the locking hole to the rear side of the sealing plate and the difference value of the radius of the locking hole are first distances, the distance between the front side and the rear side of the locking cover is second distances, and the difference value of the first distances and the second distances is not larger than the front-rear upward thickness of the sealing plate.
The left front side of the operation box corresponding to the upper side position of the manual shaft can be provided with a front and back through limiting hole, a limiting column used for keeping the closing state or the opening state of the isolating switch is arranged in the limiting hole, and the front end of the limiting column is fixedly connected with the rear side of the sealing plate.
The front side of the upper part of the operation box can be provided with a display hole which is through from front to back, the front side of the operation box corresponding to the position of the display hole is fixedly provided with an indicator positioned above the sealing plate, and the indicator is internally provided with an information display mechanism which can display the state of the disconnecting switch.
Above-mentioned but operation box left part front side fixed mounting who corresponds shrouding left side position has the operation sign, is equipped with the operation information layer on the operation sign, and the operation box right part fixed mounting who corresponds shrouding right side position has deciliter sign, is equipped with deciliter information layer on the deciliter sign.
The invention has reasonable and compact structure, can realize the sealing, limiting, beautiful and locking functions on the premise of not changing the structure of the box body of the original GIS equipment operating mechanism, effectively avoids the misoperation of GIS electric equipment caused by human factors, ensures the normal operation and maintenance of a power station, has low manufacturing cost, can be quickly installed and transformed on the box body of the GIS equipment operating mechanism in batches, can ensure that the locking cover and the sealing plate are more compact in matching by the limiting pin and the locking plate, is convenient for prompting an operator by arranging the operating information prompting layer, can mutually verify the operation process to be carried out when the operator operates, effectively avoids the misoperation of the operator, has strong reliability and has the characteristics of safety and high efficiency.
Drawings
Fig. 1 is a schematic front view of the padlock of the present invention.
FIG. 2 is a schematic front view of the operation box of the present invention.
Figure 3 is a schematic, partially cross-sectional, front view of the locking cap and closure plate of the present invention.
Fig. 4 is a top cross-sectional structural view of fig. 3.
The codes in the figures are respectively: the lock comprises a locking cover 1, a closing plate 2, a locking plate 3, a limiting pin 4, a padlock 5, a lock beam 6, a connecting hole 7, an operation box 8, a manual shaft 9, a fixing threaded hole 10, a limiting hole 11, a limiting column 12, an indicator 13, an operation indicator 14, an opening and closing indicator 15 and an operation information prompt layer 16.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
as shown in attached figures 1, 2, 3 and 4, the electric locking cover misoperation preventing device comprises an operation box 8, a locking cover 1, a closing plate 2 and a padlock 5, wherein an operation mechanism for closing and opening an isolation switch is arranged in the operation box 8, a manual shaft 9 capable of manually operating to close and open the isolation switch is arranged on the operation mechanism, an operation hole corresponding to the manual shaft 9 is arranged on the front side of the operation box 8, the locking cover 1 is of a box body structure with a backward opening, an operation information prompt layer 16 is arranged on the front side of the locking cover 1, a left mounting hole is arranged on the front side of the left part of the locking cover 1, a right mounting hole is arranged on the front side of the right part of the locking cover 1, the closing plate 2 is arranged in the locking cover 1, four connecting holes 7 which are communicated from front to back are uniformly distributed on the front side of the closing plate 2 at intervals along the circumferential direction, fixed threaded holes 10, shrouding 2 is in the same place through the screw fixed mounting who wears to locate in the fixed screw hole 10 of connecting hole 7 and corresponding position with operation box 8, 2 right part front side fixed mounting of shrouding has the front end to pass right mounting hole and is located the spacer pin 4 in locking lid 1 the place ahead, 2 left part front side fixed mounting of shrouding has the front end to pass left mounting hole and is located locking lid 1 the place ahead jam plate 3, 3 front ends of jam plate are equipped with the lockhole that link up from top to bottom, 5 upper portions of padlock have lock beam 6, locking lid 1 links together through the lock beam 6 of wearing to locate in the lockhole with shrouding 2.
According to the requirement, the padlock 5 is a known technology, the operating mechanism is a known technology, such as a CJ8-6 two-motor three-station mechanism manufactured by tai ampere and power equipment limited company, the padlock 5 is a known technology, such as a special five-prevention intelligent lock or an intelligent core padlock of hangzhou smart technology limited company, the operation information prompt layer 16 can be printed with' manual opening of the cover plate when manual operation is performed on the front side of the locking cover 1 by a known laser engraving technology, the manual crank is inserted after the unlocking switch is determined to be powered off, the handle is rotated in the indication direction to perform manual opening and closing operation, and the cover plate assembly is recovered after the operation is completed. "is used herein.
In the use process, by the arrangement, the sealing, limiting, attractive and locking functions can be realized on the premise of not changing the structure of the box body of the original GIS equipment operating mechanism, the misoperation of GIS electric equipment caused by human factors is effectively avoided, the normal operation and maintenance of a power station are ensured, meanwhile, the manufacturing cost is low, the box body of the GIS equipment operating mechanism can be quickly assembled and transformed in batches, the detachable installation of the invention on the operating box 1 can be facilitated by arranging the connecting hole 7, the connecting part of the sealing plate 2 and the operating box 1 can be shielded by arranging the locking cover 1, the phenomenon that an operator directly operates the operating box 1 by detaching the sealing plate 2 can be effectively prevented, the matching between the locking cover 1 and the sealing plate 2 can be more compact by arranging the limiting pin 4 and the locking plate 3, and the prompt of the operator can be facilitated by arranging the operation information prompt layer 16, meanwhile, the operation process of the operator can be verified with the operation process to be carried out during operation, misoperation of the operator is effectively avoided, and the reliability is high.
The anti-misoperation device of the electric lock cover can be further optimized or/and improved according to actual needs:
as shown in fig. 1, 3 and 4, the closing plate 2 has a rectangular plate-shaped structure, the locking cover 1 has a rectangular box-shaped structure, and each side of the closing plate 2 is close to the corresponding inner side wall of the locking cover 1.
In the use process, the structure of the invention is more compact, the disassembly difficulty of the upper closing plate 2 arranged on the protection object is increased, and the misoperation phenomenon of the protection object is effectively avoided.
As shown in fig. 1, 3 and 4, the locking hole is circular, the difference between the distance from the central axis of the locking hole to the rear side of the sealing plate 2 and the radius of the locking hole is a first distance, the distance between the front side and the rear side of the locking cover 1 is a second distance, and the difference between the first distance and the second distance is not greater than the front-back upward thickness of the sealing plate 2.
In the use process, the locking cover 1 can completely shield the connecting hole 7 of the sealing plate 2 through the arrangement, so that an operator is prevented from detaching a screw for connecting a protection object and the sealing plate 2, and the protection performance of the invention is improved.
As shown in fig. 1 and 2, a front side of a left portion of the operation box 8 corresponding to an upper side position of the manual shaft 9 is provided with a front-rear through limit hole 11, a limit column 12 for keeping a closing state or an opening state of the disconnecting switch is arranged in the limit hole 11, and a front end of the limit column 12 is fixedly connected with a rear side of the sealing plate 2.
In the use process, through the arrangement, the disconnecting switch can prevent equipment faults caused by mutual switching between a closing state and an opening state in the operation process.
As shown in fig. 1 and 2, a display hole penetrating through the front and rear is provided on the front side of the upper portion of the operation box 8, an indicator 13 positioned above the sealing plate 2 is fixedly mounted on the front side of the operation box 8 corresponding to the display hole, and an information display mechanism capable of displaying the state of the disconnecting switch is provided in the indicator 13.
According to the requirement, the indicator 13 is a spherical crown shell structure with a local transparent part, the motion in the operating mechanism is synchronously displayed on the indicator 13, and characters of 'opening and closing' are symmetrically printed on the indicator 13 through the existing known laser engraving technology. In the use process, through the arrangement, an operator confirms the current state of the isolating switch, verifies the consistency of the operation process and the state of the isolating switch, and ensures the operation safety.
As shown in fig. 1 and 2, an operation indication board 14 is fixedly mounted at the front side of the left part of an operation box 8 corresponding to the left side position of a sealing board 2, an operation information layer is arranged on the operation indication board 14, an opening and closing indication board 15 is fixedly mounted at the right part of the operation box 8 corresponding to the right side position of the sealing board 2, and an opening and closing information layer is arranged on the opening and closing indication board 15.
According to requirements, the operation information layer can be printed with characters of 'isolating operation' on the operation indication board 14 through the existing known laser engraving technology, the split-joint information layer can be printed with characters of 'split-joint' and corresponding 'split-joint arrows' on the split-joint indication board 15 through the existing known laser engraving technology, and manual operation is carried out according to the arrow directions. In the use, through such setting, be convenient for indicate operating personnel, can verify each other with the operation process that is about to go on during the operation of operating personnel simultaneously, effectively avoid operating personnel maloperation.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (9)
1. An electric lock cover misoperation preventing device is characterized by comprising an operation box, a locking cover, a sealing plate and a padlock, wherein an operation mechanism for closing and opening an isolating switch is arranged in the operation box, a manual shaft capable of manually operating to close and open the isolating switch is arranged on the operation mechanism, an operation hole corresponding to the manual shaft is arranged on the front side of the operation box, the locking cover is arranged on the front side of the operation box and is of a box structure with a backward opening, an operation information prompting layer is arranged on the front side of the locking cover, a left mounting hole is arranged on the front side of the left part of the locking cover, a right mounting hole is arranged on the front side of the right part of the locking cover, the sealing plate is arranged in the locking cover, four connecting holes which are communicated from front to back are uniformly distributed on the front side of the sealing plate at intervals in the circumferential direction, fixing threaded holes which correspond to the connecting holes in the sealing plate one to one are arranged on the front side of the operation box corresponding to the operating, the front side of the right part of the sealing plate is fixedly provided with a limiting pin, the front end of the limiting pin penetrates through the right mounting hole and is positioned in front of the locking cover, the front end of the front side of the left part of the sealing plate is fixedly provided with a lock plate, the left mounting hole is positioned in front of the locking cover, the front end of the lock plate is provided with a lock hole which is communicated up and down, the upper part of the padlock is provided with a lock beam, and the locking cover and the sealing plate are connected together.
2. The electrical locking cap anti-misoperation device of claim 1, wherein the sealing plate is rectangular plate-shaped and the locking cap is rectangular box-shaped, each side of the sealing plate being adjacent to a corresponding inner side wall of the locking cap.
3. The electric locking cap anti-misoperation device according to claim 2, wherein the locking hole is circular, the difference between the distance from the central axis of the locking hole to the rear side of the sealing plate and the radius of the locking hole is a first distance, the distance between the front side and the rear side of the locking cap is a second distance, and the difference between the first distance and the second distance is not greater than the front-back upward thickness of the sealing plate.
4. The misoperation preventing device for the electric lock cover according to claim 1, 2 or 3 is characterized in that a front side of the left part of the operation box corresponding to the upper side position of the manual shaft is provided with a limiting hole which is penetrated in front and back, a limiting column used for keeping the closing state or the opening state of the isolating switch is arranged in the limiting hole, and the front end of the limiting column is fixedly connected with the rear side of the sealing plate.
5. The misoperation preventing device for the electric lock cover according to claim 1, 2 or 3, wherein the front side of the upper part of the operation box is provided with a display hole which is penetrated in the front and back direction, the front side of the operation box corresponding to the position of the display hole is fixedly provided with an indicator positioned above the sealing plate, and the indicator is internally provided with an information display mechanism capable of displaying the state of the disconnecting switch.
6. The misoperation preventing device for the electric lock cover according to claim 4, wherein the front side of the upper part of the operation box is provided with a display hole which is penetrated in the front and back direction, an indicator which is positioned above the sealing plate is fixedly arranged on the front side of the operation box corresponding to the position of the display hole, and an information display mechanism which can display the state of the isolating switch is arranged in the indicator.
7. The electric lock cover misoperation preventing device is characterized in that an operation indication board is fixedly mounted on the front side of the left part of the operation box corresponding to the left side position of the seal plate, an operation information layer is arranged on the operation indication board, a separation and combination indication board is fixedly mounted on the right part of the operation box corresponding to the right side position of the seal plate, and a separation and combination information layer is arranged on the separation and combination indication board.
8. The electric lock cover anti-misoperation device according to claim 4, wherein an operation indication board is fixedly mounted on the front side of the left part of the operation box corresponding to the left side position of the seal plate, an operation information layer is arranged on the operation indication board, a separation and combination indication board is fixedly mounted on the right part of the operation box corresponding to the right side position of the seal plate, and a separation and combination information layer is arranged on the separation and combination indication board.
9. The electric lock cover anti-misoperation device according to claim 5, wherein an operation indication board is fixedly mounted on the front side of the left part of the operation box corresponding to the left side position of the seal plate, an operation information layer is arranged on the operation indication board, a separation and combination indication board is fixedly mounted on the right part of the operation box corresponding to the right side position of the seal plate, and a separation and combination information layer is arranged on the separation and combination indication board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263088.8A CN112233923B (en) | 2020-11-12 | 2020-11-12 | Misoperation preventing device for electric lock cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263088.8A CN112233923B (en) | 2020-11-12 | 2020-11-12 | Misoperation preventing device for electric lock cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112233923A true CN112233923A (en) | 2021-01-15 |
| CN112233923B CN112233923B (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011263088.8A Active CN112233923B (en) | 2020-11-12 | 2020-11-12 | Misoperation preventing device for electric lock cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112233923B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115898166A (en) * | 2022-12-07 | 2023-04-04 | 贵州电网有限责任公司 | Five-prevention padlock for transformer substation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337390A (en) * | 2013-06-25 | 2013-10-02 | 江苏大全长江电器股份有限公司 | Operating interlocking device of switch single-orifice operating mechanism |
| CN104790774A (en) * | 2015-04-01 | 2015-07-22 | 深圳供电局有限公司 | Padlock mechanism for preventing mistaken disassembly of switch cabinet cover plate |
| CN207250983U (en) * | 2017-10-12 | 2018-04-17 | 瑞熙恩电气（珠海）有限公司 | It is a kind of to operate the high ring main unit of degree of protection |
| CN207530322U (en) * | 2017-10-13 | 2018-06-22 | 国家电网公司 | Switchgear and its cabinet, headlamp anti-explosion cover |
| CN210577033U (en) * | 2019-09-24 | 2020-05-19 | 福建省南平闽延电力建设有限公司电气设备分公司 | Anti-misoperation protection device for grounding switch of high-voltage cabinet |
| CN211670167U (en) * | 2020-05-09 | 2020-10-13 | 佛山市九龙机器有限公司 | Novel take hot protector of pressure type of self-locking function apron |
-
2020
- 2020-11-12 CN CN202011263088.8A patent/CN112233923B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337390A (en) * | 2013-06-25 | 2013-10-02 | 江苏大全长江电器股份有限公司 | Operating interlocking device of switch single-orifice operating mechanism |
| CN104790774A (en) * | 2015-04-01 | 2015-07-22 | 深圳供电局有限公司 | Padlock mechanism for preventing mistaken disassembly of switch cabinet cover plate |
| CN207250983U (en) * | 2017-10-12 | 2018-04-17 | 瑞熙恩电气（珠海）有限公司 | It is a kind of to operate the high ring main unit of degree of protection |
| CN207530322U (en) * | 2017-10-13 | 2018-06-22 | 国家电网公司 | Switchgear and its cabinet, headlamp anti-explosion cover |
| CN210577033U (en) * | 2019-09-24 | 2020-05-19 | 福建省南平闽延电力建设有限公司电气设备分公司 | Anti-misoperation protection device for grounding switch of high-voltage cabinet |
| CN211670167U (en) * | 2020-05-09 | 2020-10-13 | 佛山市九龙机器有限公司 | Novel take hot protector of pressure type of self-locking function apron |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115898166A (en) * | 2022-12-07 | 2023-04-04 | 贵州电网有限责任公司 | Five-prevention padlock for transformer substation |
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| Publication number | Publication date |
|---|---|
| CN112233923B (en) | 2023-12-29 |
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