CN114825136B - Relay protection anti-misoperation secondary safety measure tool - Google Patents
Relay protection anti-misoperation secondary safety measure tool Download PDFInfo
- Publication number
- CN114825136B CN114825136B CN202210329681.0A CN202210329681A CN114825136B CN 114825136 B CN114825136 B CN 114825136B CN 202210329681 A CN202210329681 A CN 202210329681A CN 114825136 B CN114825136 B CN 114825136B
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- plate
- side plate
- sleeve
- secondary safety
- assembly
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- 230000007257 malfunction Effects 0.000 claims abstract 6
- 230000002265 prevention Effects 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 51
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000010606 normalization Methods 0.000 abstract description 2
- 230000008092 positive effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 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
- H02B1/14—Shutters or guards for preventing access to contacts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulating Bodies (AREA)
- Patch Boards (AREA)
Abstract
The utility model provides a relay protection prevents malfunction secondary safety measure instrument, including matched with dismouting cover assembly and protection casing assembly, wherein the protection casing assembly is including the rectangle cover, and four sides of rectangle cover are respectively the upper side board and the lower side board of horizontal arrangement to and the left side board and the right side board of vertical arrangement. The invention has the positive effects that: the invention solves the problems of relatively complicated flow, longer execution time and low efficiency of the secondary safety measures in the field of the secondary safety measures, improves the problems of poor standardization and normalization of the secondary safety measures, non-uniform style of the secondary safety measures, relatively poor aesthetic property and the like, and improves the field working efficiency. The protective cover assembly can be assembled and disassembled on different protective pressing plates, and one tool can realize the assembly and disassembly of all the protective cover assemblies on the whole panel.
Description
Technical Field
The invention relates to the technical field of maintenance auxiliary equipment, in particular to a relay protection anti-misoperation secondary safety measure tool.
Background
In the overhaul work of a transformer substation, a secondary overhaul worker needs to disconnect a current and voltage loop before working so as to ensure that the current and voltage loop cannot touch or mistakenly add analog quantity to an operation interval in the work to cause unnecessary faults, a secondary work safety measure is executed before the field overhaul work, a plurality of protection pressing plates are required to be disconnected, the work is temporarily taken as a safety measure, the work needs to be recovered in time after the work is finished, a plurality of methods need to be adopted for clear identification so as to prevent someone from recovering the isolated measures in the work mistakenly, and meanwhile, after the work is finished, the need of recovery can be seen obviously, and omission is avoided. The existing secondary safety measures aiming at the protection pressing plate are generally carried out by adopting an insulating tape pasting method, the insulating tape is easy to fall off, the measure keeping time is short, the field working efficiency is reduced, and in addition, the defects of random pasting, attractive appearance, fastness, inconvenience and inconvenience are overcome, and the field safety control is not facilitated.
Disclosure of Invention
The invention aims to provide a relay protection misoperation prevention secondary safety measure tool, which comprises a disassembly and assembly sleeve assembly and a protection cover assembly which are matched, wherein the protection cover assembly is arranged on a pressing plate through the disassembly and assembly sleeve assembly.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a relay protection anti-misoperation secondary safety measure tool, which comprises a dismounting sleeve assembly and a protective cover assembly which are matched, wherein the protective cover assembly comprises a rectangular cover, four side surfaces of the rectangular cover are respectively an upper side plate and a lower side plate which are horizontally arranged, a left side plate and a right side plate which are vertically arranged, a first triangular bulge is arranged between the upper side of the left side plate and the upper side plate and comprises a first side plate and a second side plate, the first side plate is connected with the upper side plate, the second side plate is connected with the left side plate, a second triangular bulge is arranged between the lower side of the right side plate and the lower side plate, the second triangular bulge comprises a third side plate and a fourth side plate, the third side plate is connected with the lower side plate, the fourth side plate is connected with the right side plate, the first side plate and the third side plate are arranged in parallel, and the second side plate and the fourth side plate are arranged in parallel, the upper side plate, the lower side plate, the left side plate, the right side plate, the first side plate, the second side plate, the third side plate and the fourth side plate are covered with a shield plate, two positioning inserting columns which are arranged up and down are arranged in the shield plate, the positioning inserting columns are positioned in a rectangular cover, a switch locking device is also arranged on the shield plate, the switch locking device comprises a sleeve which is arranged on the shield plate and is positioned at the triangular bulge position, the sleeve is arranged along the length direction of the side plate, a sliding block is arranged in the sleeve in a matched manner, a locking rod is arranged on the sleeve which is far away from one end of the shield plate in a hinged manner, a linkage rod is arranged between the locking rod and the sliding block in a hinged manner, a avoiding groove which is matched with the linkage rod is arranged on the sleeve, a spring is also arranged in the sleeve between the sliding block and the shield plate, the spring always has the trend of pushing the sliding block to be far away from the shield plate and the non-hinged end of the locking rod from the sleeve, the protective cover plate is provided with a wiring hole and a counter bore guide groove which are communicated with the inner cavity of the sleeve, the diameter of the wiring hole is smaller than that of the inner cavity of the sleeve, the sliding block is connected with an unlocking rope, one end of the unlocking rope penetrating out of the wiring hole is connected with an unlocking block, the unlocking block is positioned in the counter bore guide groove, the bottom of the unlocking block is provided with a first inclined plane, the unlocking block can overcome the elasticity of a spring to enable the locking rod to rotate to be close to the sleeve when moving away from the wiring hole, the disassembly and assembly comprises a rear vertical plate which is vertically arranged, both sides of the rear vertical plate are respectively provided with a side vertical plate, the bottoms of the rear vertical plate and the two side vertical plates are respectively provided with a bottom plate which is horizontally arranged, the vertical grooves matched with the long strip blocks are formed between the upper side plate, the right side plate, the fourth side plate, the third side plate, the first side plate, the second side plate, the left side plate and the lower side plate, the vertical grooves are communicated with the counter bore guide grooves, the second inclined surfaces matched with the first inclined surfaces are arranged at the top ends of the long strip blocks, the first inclined surfaces of the unlocking blocks are located at the positions of the vertical grooves under the action of the elasticity of the springs, and after the second inclined surfaces are contacted with the first inclined surfaces, the long strip blocks continuously move upwards to push the unlocking blocks to move away from the direction of the wiring holes, and the elasticity of the springs is overcome to enable the locking rods to rotate to be close to the sleeves. The position where the upper side plate is connected with the first side plate is provided with a first positioning triangle, the position where the lower side plate is connected with the third side plate is provided with a second positioning triangle, and the first positioning triangle and the second positioning triangle are correspondingly arranged. The inner end surfaces of the left side plate and the right side plate are respectively provided with a placement groove, a magnet is arranged in each placement groove, and a sealant layer is arranged on the outer side of each magnet. The upper side plate, the lower side plate, the left side plate, the right side plate, the first side plate, the second side plate, the third side plate, the fourth side plate and the shield plate are all made of transparent materials, and warning slogans can be further arranged on the shield plate. The bottom plate is provided with a placing seat matched with the lower side plate and the third side plate, and the outer side surface of the side vertical plate is provided with a gripping recess.
The invention has the positive effects that: the invention relates to a relay protection anti-misoperation secondary safety measure tool, which comprises a disassembly and assembly sleeve assembly and a protection cover assembly which are matched, wherein the protection cover assembly is arranged on a pressing plate through the disassembly and assembly sleeve assembly, when a secondary safety measure is executed and recovered, the actual state and the position of the pressing plate are conveniently observed through the executed pressing plate safety measure, and the state, the actual position and the name of the pressing plate are checked and determined again in the executing and recovering and maintaining processes of the secondary safety measure. The problems of relatively complicated flow, longer execution time and low efficiency of the secondary safety measures in the field of the secondary safety measures are solved, the problems of poor standardization and normalization of the secondary safety measures, non-uniform style of the secondary safety measures, relatively poor attractiveness and the like of the secondary safety measures are solved, and the field working efficiency is improved. The protective cover assembly can be assembled and disassembled on different protective pressing plates, and one tool can realize the assembly and disassembly of all the protective cover assemblies on the whole panel.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a view in the direction A of FIG. 1;
FIG. 3 is a schematic structural view of the sleeve assembly;
FIG. 4 is a schematic structural view of the shield assembly;
fig. 5 is a rear view of fig. 4;
FIG. 6 is an enlarged view of the B-B cross-sectional view of FIG. 2;
FIG. 7 is a schematic view showing the down movement of the bar in the vertical slot, separated from the unlocking block;
FIG. 8 is an enlarged view of a portion of I in FIG. 6;
FIG. 9 is an enlarged view of the cross-sectional view taken along line C-C in FIG. 5;
FIG. 10 is a schematic view of the mounting and dismounting sleeve assembly with the protective cover assembly mounted on the protective platen in the disconnected state;
fig. 11 is an isometric view of another angle of the invention.
Detailed Description
The invention relates to a relay protection and misoperation prevention secondary safety measure tool, which is shown in fig. 1 and 2, and comprises a dismounting sleeve assembly and a protection cover assembly which are matched with each other, wherein the dismounting sleeve assembly can mount the protection cover assembly on a protection pressing plate in a disconnected state and can dismount the protection cover assembly on the protection pressing plate.
As shown in fig. 4 and 5, the protective cover assembly includes a rectangular cover, the rectangular cover can be matched with a base of the protective pressing plate, four sides of the rectangular cover are an upper side plate 1 and a lower side plate 2 which are horizontally arranged, a left side plate 3 and a right side plate 4 which are vertically arranged, a first triangular bulge is arranged between the upper side of the left side plate 3 and the upper side plate 1, the first triangular bulge includes a first side plate 5 and a second side plate 6, the first side plate 5 is connected with the upper side plate 1, and the second side plate 6 is connected with the left side plate 3. A second triangular bulge is arranged between the lower side of the right side plate 4 and the lower side plate 2, the second triangular bulge comprises a third side plate 7 and a fourth side plate 8, the third side plate 7 is connected with the lower side plate 2, and the fourth side plate 8 is connected with the right side plate 4. Wherein the first side plate 5 and the third side plate 7 are arranged in parallel, and the second side plate 6 and the fourth side plate 8 are arranged in parallel. The space between the first triangular bulge and the second triangular bulge can be matched with a switch of the protection pressing plate in a disconnection state, so that the maintenance and protection of the disconnection state of the protection pressing plate are realized.
The protective cover plate 9 is covered on the upper side plate 1, the lower side plate 2, the left side plate 3, the right side plate 4, the first side plate 5, the second side plate 6, the third side plate 7 and the fourth side plate 8, two positioning inserting columns 10 which are arranged up and down are arranged in the protective cover plate 9, the positioning inserting columns 10 are arranged in a rectangular cover, jacks matched with the positioning inserting columns 10 are arranged on a base body of a protective pressure plate, positioning matching installation of the protective cover on the protective pressure plate is realized through the matched jacks and the positioning inserting columns 10, the positioning inserting columns 10 are arranged on two sides of a switch, rotation of the switch can be effectively limited, electrification in the overhaul process is avoided, and normal overhaul operation is guaranteed.
When maintenance operation is carried out, the protection casing assembly is installed on the protection clamp plate, in order to avoid removing the people mistake outside the maintainer and demolish the protection casing assembly, still install switch locking device on the guard plate 9, when the protection casing assembly is on the protection clamp plate of off-state, switch locking device can prevent that the protection casing assembly breaks away from on the protection clamp plate, as shown in fig. 6, switch locking device is including installing the sleeve 11 on the guard plate 9, sleeve 11 is located the triangle protruding position department, and sleeve 11 sets up along the length direction of curb plate. The sliding block 12 is mounted in the sleeve 11 in a matched manner, the sliding block 12 can move in the inner cavity of the sleeve 11 in a matched manner, the sleeve 11 far away from one end of the shielding plate 9 is hinged with the locking rod 13, the linkage rod 14 is hinged between the locking rod 13 and the sliding block 12, the sleeve 11 is provided with the avoidance groove 15 matched with the linkage rod 14, and the sliding block 12 can enable the locking rod 13 to rotate close to or far away from the sleeve 11 through the transmission of the linkage rod 14 when moving in the sleeve 11. Wherein the locking bar 13 can be located between the switch and panel to limit when the shield assembly is pulled away from the protective platen.
Also mounted in the sleeve 11 between the slider 12 and the shield plate 9 is a spring 16, said spring 16 always tending to push the slider 12 away from the shield plate 9 and the non-hinged end of the locking lever 13 away from the sleeve 11. The shield plate 9 is provided with a wiring hole 17 and a counter bore guide groove 18 which are communicated with the inner cavity of the sleeve 11, the diameter of the wiring hole 17 is smaller than that of the inner cavity of the sleeve 11, the sliding block 12 is connected with an unlocking rope 19, one end of the unlocking rope 19 penetrating out of the wiring hole 17 is connected with an unlocking block 20, the unlocking block 20 is positioned in the counter bore guide groove 18, the bottom of the unlocking block 20 is provided with a first inclined surface 25, the unlocking block 20 is larger than that of the wiring hole 17, and the unlocking block 20 can be prevented from entering the wiring hole 17. When the unlocking block 20 moves away from the wiring hole 17, the locking rod 13 can be rotated to be close to the sleeve 11 against the elastic force of the spring 16, namely, the locking rod 13 loses the limit of the switch of the protective pressing plate, and the protective cover assembly can be removed from the protective pressing plate.
In order to avoid the people except maintainers to carry out the mistake dismouting to the protection casing assembly, the protection casing assembly is dismantled and assembled by specialized tool dismouting cover assembly, as shown in fig. 3, the dismouting cover assembly is including the back riser 26 of vertical setting, and the both sides of back riser 26 all are equipped with side riser 27, and the bottom of back riser 26 and two side risers 27 is equipped with the bottom plate 28 of level setting, all installs the rectangular piece 29 of vertical setting in the inboard of two side risers 27, has all seted up between last curb plate 1 and right side board 4, fourth curb plate 8 and third curb plate 7, first curb plate 5 and second curb plate 6 and left side board 3 and downside board 2 with rectangular piece 29 matched with vertical groove 30.
The vertical groove 30 is communicated with the counter bore guide groove 18, a second inclined surface 31 matched with the first inclined surface 25 is arranged at the top end of the long strip block 29, and the first inclined surface 25 of the unlocking block 20 is positioned at the position of the vertical groove 30 under the elastic force of the spring 16 as shown in fig. 7. After the second inclined plane 31 contacts with the first inclined plane 25, the long bar 29 can move upwards continuously to push the unlocking block 20 to move away from the wiring hole 17, the elastic force of the spring 16 is overcome, so that the locking rod 13 rotates to be close to the sleeve 11, namely, when the protective cover assembly is positioned in the dismounting sleeve assembly, the locking rod 13 on the protective cover assembly can not limit the switch of the protective pressing plate.
When the protective cover assembly is mounted on the protective pressing plate by using the dismounting sleeve assembly, as the long bar block 29 is positioned in the vertical groove 30 of the protective cover assembly, as shown in fig. 6, the unlocking block 20 is positioned at a position away from one side of the wiring hole 17, the spring 16 is compressed, the locking rod 13 is positioned at a position close to the sleeve 11, the protective cover assembly is not blocked when being mounted on the protective pressing plate, the dismounting sleeve assembly is vertically moved downwards after the locking rod 13 is pushed between the switch and the panel, the protective cover assembly is positioned on the protective pressing plate, the long bar block 29 gradually moves downwards to withdraw from the vertical groove 30, the unlocking block 20 limited by the long bar block 29 is reset under the elastic force of the spring 16, the locking rod 13 is rotationally opened to limit the switch, and the protective cover assembly can be prevented from being separated from the protective pressing plate.
When the protective cover assembly on the protective pressing plate needs to be detached by using the disassembly and assembly sleeve assembly, the long bar 29 on the disassembly and assembly sleeve assembly is required to be aligned with the vertical groove 30 on the protective cover assembly, the long bar 29 is inserted from bottom to top, in the upward moving process, the second inclined surface 31 on the long bar 29 is contacted with the first inclined surface 25, the second inclined surface 31 continuously moves upwards in the vertical groove 30, under the guiding action of the counter bore guiding groove 18, the unlocking block 20 moves leftwards in the direction shown in fig. 7, the sliding block 12 is pulled to compress the spring 16 to move until the second inclined surface 31 is separated from the first inclined surface 25, the long bar 29 continuously moves upwards to be inserted into the vertical groove 30, the unlocking block 20 is positioned at the left side of the long bar 29, at the moment, the sliding block 12 drives the locking rod 13 to rotate to be close to the sleeve 11, the restriction on the switch is lost, the disassembly and assembly is pulled to move away from the protective pressing plate, and the protective cover assembly can be synchronously driven to be detached on the protective pressing plate under the cooperation of the long bar 29 and the vertical groove 30. Namely, the disassembly and the assembly of the protective cover assembly on the protective pressing plate can be realized through the disassembly and assembly sleeve assembly.
Further, in order to realize positioning and installation of the protective cover assembly on the protective pressing plate in the disconnected state, as shown in fig. 5, a first positioning triangle 21 is arranged at a position where the upper side plate 1 and the first side plate 5 are connected, a second positioning triangle 22 is arranged at a position where the lower side plate 2 and the third side plate 7 are connected, the first positioning triangle 21 and the second positioning triangle 22 are correspondingly arranged, and the first positioning triangle 21 and the second positioning triangle 22 can be positioned at a triangle gap position between a switch and a seat body of the protective pressing plate, so that positioning and assembly installation is realized.
Further, in order to realize the fastening connection of the integral protective cover assembly on the panel where the protective pressing plate is located, as shown in fig. 9, the inner end surfaces of the left side plate 3 and the right side plate 4 are provided with placement grooves, a magnet 23 is installed in the placement grooves, the outer side of the magnet 23 is provided with a sealant layer 24, the magnet 23 can generate suction force on the panel, the integral protective cover assembly is tightly attached to the panel and is not easy to fall off, and the sealant layer 24 can play an effective sealing role to prevent the magnet 23 from moving out of the placement grooves.
Further, the upper side plate 1, the lower side plate 2, the left side plate 3, the right side plate 4, the first side plate 5, the second side plate 6, the third side plate 7, the fourth side plate 8 and the protective plate 9 are all made of transparent materials, so that when the secondary safety measures are executed and restored, the actual state and position of the pressing plates can be conveniently observed through the executed pressing plate safety measures, and the state, the actual position and the name of the pressing plates can be checked and determined again in the executing, restoring and maintaining processes of the secondary safety measures. The guard shield plate 9 can be provided with warning slogans to play a necessary role in warning and prevent misoperation of non-overhaulers.
Further, as shown in fig. 3, the bottom plate 28 is provided with a placement seat 32 matched with the lower side plate 2 and the third side plate 7, and the placement seat 32 can enable the whole protective cover assembly to be placed in the disassembling and assembling sleeve assembly more stably. Further, in order to facilitate the maintenance personnel to hold the detachable sleeve assembly for the assembly and disassembly operations of the protective cover assembly, a gripping recess 33 is formed on the outer side surface of the side stand plate 27.
The technical scheme of the invention is not limited to the scope of the embodiments of the invention. The technical content that is not described in detail in the invention is known in the prior art.
Claims (5)
1. A relay protection prevents malfunction secondary safety measure instrument which characterized in that: including matched with dismouting cover assembly and protection casing assembly, wherein the protection casing assembly is including the rectangle cover, four sides of rectangle cover are upper side board (1) and lower side board (2) that the level was arranged respectively, and left side board (3) and right side board (4) that vertical arrangement, be equipped with first triangle arch between the upside of left side board (3) and upper side board (1), first triangle arch includes first curb plate (5) and second curb plate (6), first curb plate (5) are connected with upper side board (1), second curb plate (6) are connected with left side board (3), be equipped with second triangle arch between the downside of right side board (4) and lower side board (2), second triangle arch includes third curb plate (7) and fourth curb plate (8), third curb plate (7) are connected with lower side board (2), fourth curb plate (8) are connected with right side board (4), wherein first curb plate (5) and third curb plate (7) are parallel arrangement, second curb plate (6) and fourth curb plate (8) are parallel arrangement, upper side board (3), second curb plate (4), third curb plate (5) and fourth curb plate (8) are covered on top board (4), two positioning inserting columns (10) which are arranged up and down are arranged in the shield plate (9), the positioning inserting columns (10) are positioned in the rectangular shield, the shield plate (9) is also provided with a switch locking device, the switch locking device comprises a sleeve (11) which is arranged on the shield plate (9), the sleeve (11) is positioned at the position of the triangular bulge, the sleeve (11) is arranged along the length direction of the side plate, a sliding block (12) is arranged in the sleeve (11) in a matched manner, a locking rod (13) is hinged on the sleeve (11) which is far away from one end of the shield plate (9), a linkage rod (14) is hinged between the locking rod (13) and the sliding block (12), the sleeve (11) is provided with an avoidance groove (15) matched with the linkage rod (14), a spring (16) is further arranged in the sleeve (11) between the sliding block (12) and the shield plate (9), the spring (16) always has a trend of pushing the sliding block (12) to be far away from the shield plate (9) and enabling the non-hinged end of the locking rod (13) to be far away from the sleeve (11), the shield plate (9) is provided with a wiring hole (17) communicated with the inner cavity of the sleeve (11) and a counter bore guide groove (18), the diameter of the wiring hole (17) is smaller than the diameter of the inner cavity of the sleeve (11), the sliding block (12) is connected with an unlocking rope (19), one end of an unlocking rope (19) penetrating out of a wiring hole (17) is connected with an unlocking block (20), the unlocking block (20) is located in a counter bore guide groove (18), a first inclined surface (25) is arranged at the bottom of the unlocking block (20), the unlocking block (20) can overcome the elasticity of a spring (16) to enable a locking rod (13) to rotate to be close to a sleeve (11) when moving away from the wiring hole (17), the disassembly and assembly comprises a rear vertical plate (26) which is vertically arranged, side vertical plates (27) are arranged on two sides of the rear vertical plate (26), a bottom plate (28) which is horizontally arranged is arranged at the bottoms of the rear vertical plate (26) and the two side vertical plates (27), a long strip block (29) which is vertically arranged is arranged on the inner sides of the two side vertical plates (27), a vertical groove (30) which is matched with the long strip block (29) is formed between an upper side plate (1) and a right side plate (4), a fourth side plate (8) and a third side plate (7), a first side plate (5) and a second side plate (6) and a left side plate (3) and a lower side plate (2), a vertical groove (30) which is matched with the long strip block (29) is formed between the first side plate (3) and the lower side plate (2), a second inclined surface (31) is arranged at the top end of the second inclined surface (31) which is matched with the long strip block (31), under the action of the elasticity of the spring (16), the first inclined surface (25) of the unlocking block (20) is positioned at the position of the vertical groove (30), and after the second inclined surface (31) is contacted with the first inclined surface (25), the strip block (29) can continuously move upwards to push the unlocking block (20) to move away from the wiring hole (17), and the locking rod (13) is enabled to rotate to be close to the sleeve (11) against the elasticity of the spring (16).
2. The relay protection and malfunction prevention secondary safety measure tool according to claim 1, wherein: the position where the upper side plate (1) is connected with the first side plate (5) is provided with a first positioning triangle (21), the position where the lower side plate (2) is connected with the third side plate (7) is provided with a second positioning triangle (22), and the first positioning triangle (21) and the second positioning triangle (22) are correspondingly arranged.
3. The relay protection and malfunction prevention secondary safety measure tool according to claim 1, wherein: the inner end surfaces of the left side plate (3) and the right side plate (4) are respectively provided with a placement groove, a magnet (23) is arranged in each placement groove, and a sealant layer (24) is arranged on the outer side of each magnet (23).
4. The relay protection and malfunction prevention secondary safety measure tool according to claim 1, wherein: the upper side plate (1), the lower side plate (2), the left side plate (3), the right side plate (4), the first side plate (5), the second side plate (6), the third side plate (7), the fourth side plate (8) and the shield plate (9) are all made of transparent materials, and warning slogans can be further arranged on the shield plate (9).
5. The relay protection and malfunction prevention secondary safety measure tool according to claim 1, wherein: the bottom plate (28) is provided with a placement seat (32) matched with the lower side plate (2) and the third side plate (7), and the outer side surface of the side vertical plate (27) is provided with a gripping recess (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329681.0A CN114825136B (en) | 2022-03-30 | 2022-03-30 | Relay protection anti-misoperation secondary safety measure tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329681.0A CN114825136B (en) | 2022-03-30 | 2022-03-30 | Relay protection anti-misoperation secondary safety measure tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114825136A CN114825136A (en) | 2022-07-29 |
| CN114825136B true CN114825136B (en) | 2024-04-02 |
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ID=82532909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210329681.0A Active CN114825136B (en) | 2022-03-30 | 2022-03-30 | Relay protection anti-misoperation secondary safety measure tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114825136B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1316953A2 (en) * | 2001-12-03 | 2003-06-04 | Nec Corporation | Cartridge locking mechanism for magnetic tape apparatus |
| CN104348113A (en) * | 2014-11-19 | 2015-02-11 | 国家电网公司 | Electric secondary work safety measure tool set |
| CN204258145U (en) * | 2014-11-19 | 2015-04-08 | 国家电网公司 | Power Secondary work peace arranges tool set |
| CN213782710U (en) * | 2021-01-06 | 2021-07-23 | 国网江西省电力有限公司宜春供电分公司 | Secondary screen cabinet door safety measure locking device of transformer substation |
-
2022
- 2022-03-30 CN CN202210329681.0A patent/CN114825136B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1316953A2 (en) * | 2001-12-03 | 2003-06-04 | Nec Corporation | Cartridge locking mechanism for magnetic tape apparatus |
| CN104348113A (en) * | 2014-11-19 | 2015-02-11 | 国家电网公司 | Electric secondary work safety measure tool set |
| CN204258145U (en) * | 2014-11-19 | 2015-04-08 | 国家电网公司 | Power Secondary work peace arranges tool set |
| CN213782710U (en) * | 2021-01-06 | 2021-07-23 | 国网江西省电力有限公司宜春供电分公司 | Secondary screen cabinet door safety measure locking device of transformer substation |
Non-Patent Citations (1)
| Title |
|---|
| 一种继电保护装置二次空开防误闭锁装置;张庆伟;;江西电力职业技术学院学报;20180131(第01期);全文 * |
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| Publication number | Publication date |
|---|---|
| CN114825136A (en) | 2022-07-29 |
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