CN115377851B - Error-proof structure for equipment overhaul and maintenance - Google Patents
Error-proof structure for equipment overhaul and maintenance Download PDFInfo
- Publication number
- CN115377851B CN115377851B CN202211035252.9A CN202211035252A CN115377851B CN 115377851 B CN115377851 B CN 115377851B CN 202211035252 A CN202211035252 A CN 202211035252A CN 115377851 B CN115377851 B CN 115377851B
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- Prior art keywords
- groove
- hole
- auxiliary
- sliding
- key
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- 238000012423 maintenance Methods 0.000 title claims abstract description 35
- 238000003756 stirring Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the field of electrical equipment, in particular to an equipment overhaul and maintenance error-preventing structure, wherein a cabinet door is arranged on one side of a cabinet body and is rotationally connected with the cabinet body through a hinge; the lock tube penetrates through the cabinet door and the cabinet door is fixedly connected with the lock tube; the rotating body can be rotatably sleeved in the lock tube; chamfering two opposite sides of the front end of the operation key; the operation key is inserted into the main groove, the limiting shaft is completely positioned in the blind hole, and the stirring body is completely positioned in the rotating body; the maintenance keys comprise operation keys and auxiliary keys; a clamping groove is formed in the middle of the operation key, the auxiliary key is clamped into the clamping groove, and the operation key and the auxiliary key are crossed; because the keys of the equipment for the operators and the maintenance staff are different, the key priority level of the maintenance staff is higher than the level of the operators, and when the maintenance staff uses the power distribution cabinet, the operators can not open the cabinet door, so that the operator can not influence the work of the maintenance staff on the operation of the power distribution cabinet.
Description
Technical Field
The invention relates to the field of electrical equipment, in particular to an equipment overhaul and maintenance error-proof structure.
Background
Power distribution cabinets are commonly used to control the on and off of other equipment.
Because the company has operators and maintenance personnel, the operators are responsible for the power on and off of equipment, and the maintenance personnel mainly maintain damaged equipment; the operator and the maintenance personnel have the same electric cabinet key on the body; when the switch in the power distribution cabinet is closed by a maintainer before, the cabinet door is closed, so that the equipment which is already powered off is maintained; however, the operator turns on the power distribution cabinet by using a key under the condition of unknowing, so that the switch is turned on; the equipment being maintained is electrified, and the electrified equipment causes serious harm to the maintenance personnel;
the existing power distribution cabinet has the following defects: the operator can easily electrify the equipment being maintained by the maintenance personnel again.
Disclosure of Invention
Aiming at the defect that in the prior art, an operator is easy to electrify equipment which is being maintained by a maintainer again, the invention provides the equipment overhaul and maintenance error-preventing structure, and the effect that the operator cannot influence the operation of a power distribution cabinet on the work of the maintainer is realized.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the equipment overhauling and maintaining error-preventing structure is characterized by comprising a cabinet body, a cabinet door and a hinge;
one side of the cabinet body is provided with a cabinet door which is rotationally connected with the cabinet body through a hinge;
the lock tube penetrates through the cabinet door and the cabinet door is fixedly connected with the lock tube;
the rotating body can be rotatably sleeved in the lock tube; one end of the rotator, which is leaked outside the cabinet body, is provided with a main groove and an auxiliary groove; and the main groove and the auxiliary groove are crisscrossed;
the main groove of the rotating body is sequentially provided with a coaxial secondary hole and a coaxial primary hole from the axis of the rotating body to the outside; the diameter of the secondary hole is smaller than that of the primary hole;
the inner wall of the lock tube is provided with a blind hole which is coaxial with the secondary hole;
the poking body comprises a thin column and a thick column; the adjacent ends of the thin column and the thick column are fixedly connected, and the diameters of the thin column and the thick column are respectively equal to those of the secondary hole and the primary hole; the thin column and the thick column are respectively sleeved in the secondary hole and the primary hole in a sliding way; the lock spring is positioned in the blind hole, and the limiting shaft is positioned between the lock spring and the toggle body;
the clamping plate I is fixed on the inner wall of one side of the cabinet body adjacent to the cabinet door; the second clamping plate is fixed on the outer wall of the rotating body;
in the natural state of the lock spring, two ends of the limiting shaft are respectively positioned in the primary hole and the blind hole, and the clamping plate I and the clamping plate II are in front-back contact with each other;
a sliding groove is formed along the radial direction of the rotating body, and the sliding plate is sleeved in the sliding groove in a sliding way; the middle part of the sliding plate is provided with a hollow groove; a placing groove is formed in one side, away from the auxiliary groove, of the sliding groove; the large end of the push pin is slidably positioned in the placing groove, and the reset spring pushes the push pin to the direction of the sliding groove in the placing groove; one end of the push pin penetrates into the auxiliary groove in a sliding way through the empty groove, the guide groove is arranged in the empty groove, a sliding block is arranged in the guide groove in a sliding way, and the sliding block is fixedly connected with the push pin; the guide groove is inclined from the cabinet body to the cabinet door when seen from the radial outside of the rotating body; the reset spring is positioned in the placing groove, the reset spring props against the push pin in a natural state, and the sliding plate is positioned at the inner end of the auxiliary groove;
the pressing end of the micro switch is clung to one side of the sliding plate away from the auxiliary groove;
the first end of the sliding hole is communicated with the auxiliary groove, and an electromagnet is fixedly arranged at the second end of the sliding hole; the magnet post is positioned in the sliding hole;
the battery is fixed at one end of the rotator, which is positioned in the cabinet body;
the micro switch, the electromagnet and the battery form a series circuit; when the electromagnet is electrified, the magnet post is far away from the electromagnet and enters the auxiliary groove;
chamfering two opposite sides of the front end of the operation key; the operation key is inserted into the main groove, the limiting shaft is completely positioned in the blind hole, and the stirring body is completely positioned in the rotating body;
the maintenance keys comprise operation keys and auxiliary keys; a clamping groove is formed in the middle of the operation key, the auxiliary key is clamped into the clamping groove, and the operation key and the auxiliary key are crossed;
the middle part of the trigger hole is provided with the trigger hole along the length thereof.
The beneficial effects of the invention are as follows:
when the equipment is maintained, a maintenance person inserts the maintenance key 2 into the cross groove formed by the main groove 422 and the auxiliary groove 421, referring to fig. 3, on the one hand, the auxiliary key 21 of the maintenance key 2 is inserted into the auxiliary groove 421, the push pins 50 are pushed to the placing groove 428, the sliding blocks of the push pins 50 slide along the guiding groove 4272, and the guiding groove 4272 moves along the radial outer peripheral wall of the rotating body 42 because of the inclined direction (referring to fig. 3) of the guiding groove 4272, so that the pressing end of the micro switch 3 is communicated with the trigger hole 211; after the operation key 1 of the maintenance key 2 is inserted into the main groove 422, the rotator 42 is rotated, the cabinet door is opened, the power-on switch for controlling the damaged equipment is powered off, the cabinet door is closed, and the rotator 42 is rotated to the original position; only the operation key 1 of the maintenance key 2 is pulled out, the thin rod is inserted into the trigger hole 211 of the auxiliary key 21, the micro switch 3 is closed, and the magnet column 425 pushes up the auxiliary key 21; so that the sub key 21 cannot be taken out; (when the auxiliary key is to be taken out, the fine rod is inserted into the trigger hole 211 of the auxiliary key 21, the micro switch 3 is disconnected, and the magnet column 425 falls back, namely, the auxiliary key 21 is loosened); because the auxiliary key 21 is in the auxiliary groove 421, an operator cannot insert the operation key 1 into the main groove 422, and knows that equipment is being maintained, so that the effect that the operator cannot influence the operation of the power distribution cabinet on the work of maintenance personnel is realized.
Drawings
Fig. 1 is a view (top view) of a horizontal section of a power distribution cabinet of the present application;
FIG. 2 is a view of the lock cylinder in the direction C of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
fig. 5 is a cross-sectional view of the rotor 42;
FIG. 6 is a schematic view of a toggle body;
FIG. 7 is a schematic view of a lock tube;
FIG. 8 is a schematic view of a stopper rod;
fig. 9 is a schematic view of the operating key 1;
FIG. 10 is a schematic view of the service key 2;
fig. 11 is a schematic view of the sub key 21;
reference numeral control table:
operation key 1, card slot 11, maintenance key 2, auxiliary key 21, trigger hole 211, and lock hole 212;
the micro-switch 3, the battery 4, the clamping plate I5 and the clamping plate II 6;
the cabinet comprises a cabinet body 10, a cabinet door 20 and a hinge 30;
lock tube 41, convex ring 401, blind hole 412, lock spring 413, limiting shaft 414;
rotor 42, main groove 422, sub groove 421, electromagnet 423, slide hole 424, magnet pole 425, slide groove 426, slide plate 427, empty groove 4271, guide groove 4272, placement groove 428, return spring 429;
pushing nails 50;
primary hole 91 and secondary hole 92;
toggle body 100, thin column 101, thick column 102;
Detailed Description
Specific embodiments of the present invention will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 11, the equipment overhaul and maintenance error-preventing structure comprises a cabinet body 10, a cabinet door 20 and a hinge 30;
a cabinet door 20 is arranged on one side of the cabinet body 10, and the cabinet door 20 is rotationally connected with the cabinet body 10 through a hinge 30;
the lock tube 41 penetrates the cabinet door 20 and the cabinet door 20 is fixedly connected with the lock tube 41;
the rotator 42 (lock core) is rotatably sleeved in the lock tube 41; one end of the rotator 42, which leaks outside the cabinet 10, is provided with a main groove 422 and a secondary groove 421; and the main groove 422 and the sub groove 421 are crisscrossed; preferably, the inner ends of the main groove 422 and the auxiliary groove 421 are provided with chamfers;
referring to fig. 5, a main groove 422 of the rotor 42 is provided with a coaxial secondary hole 92 and a primary hole 91 from the axis of the rotor 42 to the outside in sequence; the diameter of the secondary holes 92 is smaller than the diameter of the primary holes 91;
a blind hole 412 is formed in the inner wall of the lock tube 41, and the blind hole 412 is coaxial with the secondary hole 92;
the toggle body 100 comprises a thin column 101 and a thick column 102; the adjacent ends of the thin column 101 and the thick column 102 are fixedly connected, and the diameters of the thin column 101 and the thick column 102 are respectively equal to those of the secondary hole 92 and the primary hole 91; the thin column 101 and the thick column 102 are respectively sleeved in the secondary hole 92 and the primary hole 91 in a sliding way; the lock spring 413 is positioned in the blind hole 412, and the limiting shaft 414 is positioned between the lock spring 413 and the toggle body 100;
the first clamping plate 5 is fixed on the inner wall of one side of the cabinet body 10 adjacent to the cabinet door 20; the second clamping plate 6 is fixed on the outer wall of the rotating body 42;
in the natural state of the lock spring 413, two ends of the limiting shaft 414 are respectively positioned in the primary hole 91 and the blind hole 412, so that the lock tube 41 and the rotator 42 cannot rotate relatively, and the first clamping plate 5 and the second clamping plate 6 are in front-back contact with each other; i.e. the door 20 is not pulled open at this time;
a sliding groove 426 is formed along the radial direction of the rotating body 42, and a sliding plate 427 is sleeved in the sliding groove 426 in a sliding way; the middle part of the sliding plate 427 is provided with a hollow 4271; a placing groove 428 is arranged on the side of the sliding groove 426 away from the auxiliary groove 421; the large end of the push pin 50 is slidably positioned in the placement groove 428, and the return spring 429 pushes the push pin 50 in the placement groove 428 towards the sliding groove 426; one end of the push pin 50 is inserted into the auxiliary groove 421 in a sliding way through the empty groove 4271, the guide groove 4272 is arranged in the empty groove 4271, and a sliding block is arranged in the guide groove 4272 in a sliding way and is fixedly connected with the push pin 50; the guide groove 4272 is inclined from the inside of the cabinet body 10 to the cabinet door when seen from the radial outward direction of the rotator 42; the return spring 429 is disposed in the receiving groove 428, and in a natural state the return spring 429 abuts against the push pin 50, and the sliding plate 427 is disposed at the inner end of the sub-groove 421 (at the end disposed in the cabinet).
The pressing end of the microswitch 3 is against the side of the sliding plate 427 facing away from the sub-slot 421.
Referring to fig. 2, a first end of the sliding hole 424 is communicated with the sub-slot 421, and an electromagnet 423 is fixedly arranged at a second end of the sliding hole 424; the magnet posts 425 are positioned in the sliding holes 424;
the battery 4 is fixed at one end of the rotator 42 positioned in the cabinet body;
the micro switch 3, the electromagnet 423 and the battery 4 form a series circuit; when the electromagnet 423 is energized, the magnet post 425 moves away from the electromagnet 423 into the secondary slot 421.
Chamfering two opposite sides of the front end of the operation key 1 (provided for operators); the operation key 1 is inserted into the main groove 422, the operation key 1 extrudes the toggle body 100 to move towards the lock spring 413, the limiting shaft 414 is completely positioned in the blind hole 412, and the toggle body 100 is completely positioned in the rotator 42; at this time, the rotator 42 can freely rotate, referring to fig. 1, the rotator 42 is rotated, so that the cabinet door 20 can be opened after the first clamping plate 5 and the second clamping plate 6 are not overlapped back and forth;
the service key 2 (provided for service personnel) comprises an operation key 1, a secondary key 21; the operation key 1 is provided with a clamping groove 11 in the middle, the auxiliary key 21 is clamped into the clamping groove 11, and the operation key 1 and the auxiliary key 21 are crisscrossed.
The trigger hole 211 is provided at the middle of the trigger hole 211 along its length.
Principle of: when the equipment is maintained, a maintenance person inserts the maintenance key 2 into the cross groove formed by the main groove 422 and the auxiliary groove 421, referring to fig. 3, on the one hand, the auxiliary key 21 of the maintenance key 2 is inserted into the auxiliary groove 421, the push pins 50 are pushed to the placing groove 428, the sliding blocks of the push pins 50 slide along the guiding groove 4272, and the guiding groove 4272 moves along the radial outer peripheral wall of the rotating body 42 because of the inclined direction (referring to fig. 3) of the guiding groove 4272, so that the pressing end of the micro switch 3 is communicated with the trigger hole 211; after the operation key 1 of the maintenance key 2 is inserted into the main groove 422, the rotator 42 is rotated, the cabinet door is opened, the power-on switch for controlling the damaged equipment is powered off, the cabinet door is closed, and the rotator 42 is rotated to the original position; only the operation key 1 of the maintenance key 2 is pulled out, the thin rod is inserted into the trigger hole 211 of the auxiliary key 21, the micro switch 3 is closed, and the magnet column 425 pushes up the auxiliary key 21; so that the sub key 21 cannot be taken out; (when the auxiliary key is to be taken out, the fine rod is inserted into the trigger hole 211 of the auxiliary key 21, the micro switch 3 is disconnected, and the magnet column 425 falls back, namely, the auxiliary key 21 is loosened); because the auxiliary key 21 is in the auxiliary groove 421, an operator cannot insert the operation key 1 into the main groove 422, and knows that equipment is being maintained, and the effect that the operator cannot influence the operation of the power distribution cabinet on the work of maintenance personnel is achieved.
Further, the lock hole 212 is opened in the thickness direction of the sub key 21, and the magnet post 425 is inserted into the lock hole 212, thereby clamping the sub key 21.
Further, the lock tube 41 and the rotator 42 are plastic parts;
further, referring to fig. 4, a convex ring 401 is fixedly disposed on the outer periphery of the rotator 42, a corresponding annular groove is formed at the inner wall of the lock tube 41, and the convex ring 401 is rotatably sleeved in the annular groove of the lock tube 41; so that no axial movement occurs between the lock tube 41 and the rotor 42.
The above description is illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, but is to be accorded the full scope of the claims.
Claims (5)
1. The equipment overhauling and maintaining error-preventing structure is characterized by comprising a cabinet body, a cabinet door and a hinge;
one side of the cabinet body is provided with a cabinet door which is rotationally connected with the cabinet body through a hinge;
the lock tube penetrates through the cabinet door and the cabinet door is fixedly connected with the lock tube;
the rotating body can be rotatably sleeved in the lock tube; one end of the rotator, which is leaked outside the cabinet body, is provided with a main groove and an auxiliary groove; and the main groove and the auxiliary groove are crisscrossed;
the main groove of the rotating body is sequentially provided with a coaxial secondary hole and a coaxial primary hole from the axis of the rotating body to the outside; the diameter of the secondary hole is smaller than that of the primary hole;
the inner wall of the lock tube is provided with a blind hole which is coaxial with the secondary hole;
the poking body comprises a thin column and a thick column; the adjacent ends of the thin column and the thick column are fixedly connected, and the diameters of the thin column and the thick column are respectively equal to those of the secondary hole and the primary hole; the thin column and the thick column are respectively sleeved in the secondary hole and the primary hole in a sliding way; the lock spring is positioned in the blind hole, and the limiting shaft is positioned between the lock spring and the toggle body;
the clamping plate I is fixed on the inner wall of one side of the cabinet body adjacent to the cabinet door; the second clamping plate is fixed on the outer wall of the rotating body;
in the natural state of the lock spring, two ends of the limiting shaft are respectively positioned in the primary hole and the blind hole, and the clamping plate I and the clamping plate II are in front-back contact with each other;
a sliding groove is formed along the radial direction of the rotating body, and the sliding plate is sleeved in the sliding groove in a sliding way; the middle part of the sliding plate is provided with a hollow groove; a placing groove is formed in one side, away from the auxiliary groove, of the sliding groove; the large end of the push pin is slidably positioned in the placing groove, and the reset spring pushes the push pin to the direction of the sliding groove in the placing groove; one end of the push pin penetrates into the auxiliary groove in a sliding way through the empty groove, the guide groove is arranged in the empty groove, a sliding block is arranged in the guide groove in a sliding way, and the sliding block is fixedly connected with the push pin; the guide groove is inclined from the cabinet body to the cabinet door when seen from the radial outside of the rotating body; the reset spring is positioned in the placing groove, the reset spring props against the push pin in a natural state, and the sliding plate is positioned at the inner end of the auxiliary groove;
the pressing end of the micro switch is clung to one side of the sliding plate away from the auxiliary groove;
the first end of the sliding hole is communicated with the auxiliary groove, and an electromagnet is fixedly arranged at the second end of the sliding hole; the magnet post is positioned in the sliding hole;
the battery is fixed at one end of the rotator, which is positioned in the cabinet body;
the micro switch, the electromagnet and the battery form a series circuit; when the electromagnet is electrified, the magnet post is far away from the electromagnet and enters the auxiliary groove;
chamfering two opposite sides of the front end of the operation key; the operation key is inserted into the main groove, the limiting shaft is completely positioned in the blind hole, and the stirring body is completely positioned in the rotating body;
the maintenance keys comprise operation keys and auxiliary keys; a clamping groove is formed in the middle of the operation key, the auxiliary key is clamped into the clamping groove, and the operation key and the auxiliary key are crossed;
the middle part of the trigger hole is provided with the trigger hole along the length thereof.
2. The equipment servicing and maintenance error-proofing structure according to claim 1, wherein,
the auxiliary key is provided with a lock hole in the thickness direction, and the magnet column is inserted into the lock hole to clamp the auxiliary key.
3. The equipment servicing and maintenance error-proofing structure according to claim 1, wherein,
the lock tube and the rotator are plastic parts.
4. The equipment servicing and maintenance error-proofing structure according to claim 1, wherein,
the convex ring is fixedly arranged on the periphery of the rotating body, a corresponding annular groove is formed in the inner wall of the lock tube, and the convex ring is rotatably sleeved in the annular groove of the lock tube.
5. The equipment servicing and maintenance error-proofing structure according to claim 1, wherein,
the inner ends of the main groove and the auxiliary groove are provided with chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211035252.9A CN115377851B (en) | 2022-08-26 | 2022-08-26 | Error-proof structure for equipment overhaul and maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211035252.9A CN115377851B (en) | 2022-08-26 | 2022-08-26 | Error-proof structure for equipment overhaul and maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115377851A CN115377851A (en) | 2022-11-22 |
| CN115377851B true CN115377851B (en) | 2024-04-05 |
Family
ID=84070071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211035252.9A Active CN115377851B (en) | 2022-08-26 | 2022-08-26 | Error-proof structure for equipment overhaul and maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115377851B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10246643A1 (en) * | 2002-10-07 | 2004-04-15 | Gantner Electronic Gmbh | Electro-mechanical lock for cupboard doors has provision to indicate when door is not properly locked |
| CN202488017U (en) * | 2012-02-10 | 2012-10-10 | 常熟开关制造有限公司(原常熟开关厂） | Mechanical interlocking device for outgoing line cabinet and transformer cabinet |
| JP2017046481A (en) * | 2015-08-27 | 2017-03-02 | 中国電力株式会社 | Erroneous insertion prevention apparatus for test plug |
| CN206625685U (en) * | 2017-04-05 | 2017-11-10 | 北京澳玛特家具有限公司 | A kind of cipher counter |
| KR20180067057A (en) * | 2016-12-12 | 2018-06-20 | 배귀석 | Sliding door locking device using magnetic |
| CN111224326A (en) * | 2018-11-27 | 2020-06-02 | 新沂经济开发区建设发展有限公司 | Switch board convenient to maintenance |
| CN112664069A (en) * | 2020-12-08 | 2021-04-16 | 汇网电气有限公司 | Atmospheric air environment-friendly switch cabinet and outdoor switch box |
| CN213125179U (en) * | 2020-09-10 | 2021-05-04 | 国网安徽省电力有限公司濉溪县供电公司 | Power distribution cabinet with secondary locking mechanism |
| CN214428856U (en) * | 2021-04-30 | 2021-10-19 | 国家电网有限公司 | Prevent mistake device of preventing that mistake is adorned and is torn electric power earth connection open |
| CN114221230A (en) * | 2021-12-31 | 2022-03-22 | 泰宏智能电气有限公司 | Safety protection type switch board |
| CN216244246U (en) * | 2021-11-16 | 2022-04-08 | 华能陇东能源有限责任公司 | Manhole maintenance conveying device for circulating fluidized bed boiler |
| CN216289817U (en) * | 2021-10-14 | 2022-04-12 | 山东聚和诚信息科技有限公司 | Maintenance equipment for short-circuit prevention operating system of isolating switch |
-
2022
- 2022-08-26 CN CN202211035252.9A patent/CN115377851B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10246643A1 (en) * | 2002-10-07 | 2004-04-15 | Gantner Electronic Gmbh | Electro-mechanical lock for cupboard doors has provision to indicate when door is not properly locked |
| CN202488017U (en) * | 2012-02-10 | 2012-10-10 | 常熟开关制造有限公司(原常熟开关厂） | Mechanical interlocking device for outgoing line cabinet and transformer cabinet |
| JP2017046481A (en) * | 2015-08-27 | 2017-03-02 | 中国電力株式会社 | Erroneous insertion prevention apparatus for test plug |
| KR20180067057A (en) * | 2016-12-12 | 2018-06-20 | 배귀석 | Sliding door locking device using magnetic |
| CN206625685U (en) * | 2017-04-05 | 2017-11-10 | 北京澳玛特家具有限公司 | A kind of cipher counter |
| CN111224326A (en) * | 2018-11-27 | 2020-06-02 | 新沂经济开发区建设发展有限公司 | Switch board convenient to maintenance |
| CN213125179U (en) * | 2020-09-10 | 2021-05-04 | 国网安徽省电力有限公司濉溪县供电公司 | Power distribution cabinet with secondary locking mechanism |
| CN112664069A (en) * | 2020-12-08 | 2021-04-16 | 汇网电气有限公司 | Atmospheric air environment-friendly switch cabinet and outdoor switch box |
| CN214428856U (en) * | 2021-04-30 | 2021-10-19 | 国家电网有限公司 | Prevent mistake device of preventing that mistake is adorned and is torn electric power earth connection open |
| CN216289817U (en) * | 2021-10-14 | 2022-04-12 | 山东聚和诚信息科技有限公司 | Maintenance equipment for short-circuit prevention operating system of isolating switch |
| CN216244246U (en) * | 2021-11-16 | 2022-04-08 | 华能陇东能源有限责任公司 | Manhole maintenance conveying device for circulating fluidized bed boiler |
| CN114221230A (en) * | 2021-12-31 | 2022-03-22 | 泰宏智能电气有限公司 | Safety protection type switch board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115377851A (en) | 2022-11-22 |
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