CN114220616B - Protective device - Google Patents
Protective device Download PDFInfo
- Publication number
- CN114220616B CN114220616B CN202111437457.5A CN202111437457A CN114220616B CN 114220616 B CN114220616 B CN 114220616B CN 202111437457 A CN202111437457 A CN 202111437457A CN 114220616 B CN114220616 B CN 114220616B
- Authority
- CN
- China
- Prior art keywords
- plate
- protection plate
- protection
- space
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001681 protective effect Effects 0.000 title claims description 7
- 238000009434 installation Methods 0.000 claims abstract description 30
- 230000001012 protector Effects 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/60—Composite insulating bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/66—Joining insulating bodies together, e.g. by bonding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention provides a protection device, which is arranged in a mounting groove of an insulating part, and comprises: a first protection plate; the avoiding space is arranged on the first protection plate; the second protection plate is connected with the first protection plate and is movably arranged relative to the first protection plate so as to shield part of the avoidance space, and an installation space is formed between the first protection plate and the second protection plate in a surrounding mode; and the protruding part is arranged on the second protection plate, protrudes relative to the surface of the second protection plate, and at least part of the protruding part is in contact with the wall surface of the mounting groove. The invention solves the problem of high safety risk of dismantling the arc striking rod in the prior art.
Description
Technical Field
The invention relates to the technical field of insulation protection of distribution lines, in particular to a protection device.
Background
At present, the discharge clamping insulator is provided with a discharge gap, so that a lightning protection mode adopted on a distribution line has the advantages of controllable process, good arc extinguishing performance and the like.
But with the continuous improvement of distribution lines insulation protection level requirement, need adopt live working mode to demolish its striking stick and lower extreme pad board now, and because the distance between striking stick and the discharge plate of upper end is less, operating personnel makes contact electrified body and the grounding body simultaneously easily at demolishing the striking stick, can't manually develop the striking stick and shelter from work, has brought great security risk for live working.
Disclosure of Invention
The invention mainly aims to provide a protection device to solve the problem that the safety risk of detaching an arc striking rod in the prior art is high.
In order to achieve the above object, the present invention provides a protector to be mounted in a mounting groove of an insulating member, the protector comprising: a first protection plate; the avoiding space is arranged on the first protection plate; the second protection plate is connected with the first protection plate and is movably arranged relative to the first protection plate so as to shield part of the avoidance space, and an installation space is formed between the first protection plate and the second protection plate in a surrounding mode; and the protruding part is arranged on the second protection plate, protrudes relative to the surface of the second protection plate, and at least part of the protruding part is in contact with the wall surface of the mounting groove.
Further, a yielding opening is formed in the side end face of the second protection plate, and the side end face of the yielding opening is surrounded by the second protection plate and is a curved surface.
Further, the protruding portion is the plate body, and the protruding portion is located the side of the opening of stepping down and encircles the opening of stepping down and set up.
Further, the guard further includes: the first positioning piece is arranged on the first protection plate and is movably arranged relative to the first protection plate; the second locating piece is arranged on the second protection plate, and the first locating piece and the second locating piece are clamped with each other so that the first protection plate and the second protection plate are connected.
Further, the first positioning piece is a clamping hook which is hinged on the first protection plate; the second positioning piece is a clamping bulge, and the clamping hook is clamped on the clamping bulge.
Further, the first locating piece articulates on first guard plate, and protector still includes: the operation handle is connected with the first positioning piece and drives the first positioning piece to rotate through the operation handle so as to enable the first positioning piece to be clamped with or separated from the second positioning piece.
Further, the first positioning member includes: the first end of the rotating body is hinged to the first protection plate, and the operation handle is connected with the rotating body; the clamping body is arranged at the second end of the rotating body, and a first preset included angle is formed between the extending direction of the clamping body and the extending direction of the rotating body so as to form a clamping space between the rotating body and the clamping body.
Further, the first shielding plate includes: the first plate body is provided with an avoidance space; the second plate body is connected with the first plate body, and a second preset included angle is formed between the first plate body and the second plate body so as to form a protection space between the first plate body and the second plate body.
Further, the guard further includes: the first extending plate is arranged on the first plate body and extends from the first plate body towards a direction far away from the first plate body; the second extension plate is arranged on the second protection plate and extends from the second protection plate to a direction away from the second protection plate; the first extension plate is hinged with the second extension plate so that the second protection plate is rotatably arranged relative to the first extension plate.
Further, the first guard plate is articulated with the second guard plate, and protector still includes: the movable handle is arranged on the second protection plate and drives the second protection plate to move.
By applying the technical scheme, the protection device is arranged in the mounting groove of the insulating part, wherein the protection device comprises a first protection plate, an avoidance space, a second protection plate and a protruding part, the avoidance space is arranged on the first protection plate, the second protection plate is connected with the first protection plate, and the second protection plate is movably arranged relative to the first protection plate so as to shield part of the avoidance space and enclose a mounting space between the first protection plate and the second protection plate; the protruding portion is arranged on the second protection plate, protrudes relative to the surface of the second protection plate, and at least part of the protruding portion is in contact with the groove wall surface of the mounting groove. Specifically, protector is made by insulating material, and like this in the use, shelter from formation installation space to dodging the space through the second guard plate, utilizes installation space to make protector cover establish in the mounting groove, for making protector installation more firm, utilizes the bellying to increase the thickness of second guard plate, makes interference fit between second guard plate and the mounting groove, can protect operating personnel effectively when operating personnel demolishs the striking stick, improves operation security performance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
Fig. 1 shows a schematic structural view of an embodiment of a protective device according to the invention;
fig. 2 shows a schematic structural view of a first view of a protective device according to the invention;
Fig. 3 shows a schematic structural view of a second view of the protective device according to the invention.
Wherein the above figures include the following reference numerals:
1. a first protection plate; 2. an avoidance space; 20. an installation space; 3. a second protection plate; 4. a boss; 30. a relief opening; 5. a first positioning member; 6. a second positioning member; 7. an operating handle; 50. rotating the body; 51. a clamping body; 11. a first plate body; 12. a second plate body; 8. a first extension plate; 9. a second extension plate; 10. the handle is moved.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 to 3, the present invention provides a protection device installed in a mounting groove of an insulating member, the protection device comprising: a first protection plate 1; the avoidance space 2 is arranged on the first protection plate 1; the second protection plate 3 is connected with the first protection plate 1, and the second protection plate 3 is movably arranged relative to the first protection plate 1 so as to shield part of the avoidance space 2, so that an installation space 20 is formed between the first protection plate 1 and the second protection plate 3; and a protruding part 4 arranged on the second protection plate 3, wherein the protruding part 4 protrudes relative to the surface of the second protection plate 3, and at least part of the protruding part 4 is contacted with the groove wall surface of the mounting groove.
The protection device provided by the invention is arranged in an installation groove of an insulating part, wherein the protection device comprises a first protection plate 1, an avoidance space 2, a second protection plate 3 and a protruding part 4, wherein the avoidance space 2 is arranged on the first protection plate 1, the second protection plate 3 is connected with the first protection plate 1, and the second protection plate 3 is movably arranged relative to the first protection plate 1 so as to shield part of the avoidance space 2, so that an installation space 20 is formed between the first protection plate 1 and the second protection plate 3; the protruding portion 4 is provided on the second protection plate 3, the protruding portion 4 protrudes with respect to the surface of the second protection plate 3, and at least part of the protruding portion 4 is in contact with the groove wall surface of the installation groove. Specifically, protector is made by insulating material, in the use like this, shelter from formation installation space 20 to dodging space 2 through second guard plate 3, utilize installation space 20 to make protector cover establish in the mounting groove, in order to make protector installation more firm, utilize bellying 4 to increase the thickness of second guard plate 3, make interference fit between second guard plate 3 and the mounting groove, can protect operating personnel effectively when operating personnel demolish the striking stick, improve operation security performance.
Preferably, the protruding portion 4 is provided to be elastically deformable, and the protruding portion 4 is preferably made of rubber.
In the specific implementation process, as shown in fig. 2, a yielding opening 30 is provided on a side end surface of the second protection plate 3, and the side end surface of the yielding opening 30 surrounded by the second protection plate 3 is a curved surface. Since the installation groove is annular, the groove wall surface of the installation groove is a curved surface, the side end surface of the yielding opening 30 is surrounded by the second protection plate 3, and when the installation space 20 is formed, the inner wall surface of the installation space 20 is more attached to the groove wall surface of the installation groove, wherein the inner wall surface of the installation space 20 is surrounded by the side wall surface of the yielding space 2 surrounded by the first protection plate 1 and the side wall surface of the yielding opening 30 surrounded by the second protection plate 3, and preferably, the installation space 20 is of a hole structure.
Specifically, the protruding portion 4 is a plate body, and the protruding portion 4 is located at a side of the relief opening 30 and is disposed around the relief opening 30. Like this when opening 30 of stepping down cooperates with dodging space 2, bellying 4 can be direct with the internal face contact of mounting groove, set up bellying 4 as the plate body and encircle the opening 30 of stepping down setting, increase bellying 4 and the area of contact of the internal face of mounting groove to guarantee further that protector installs stably.
In an embodiment provided by the present invention, the protection device further includes: a first positioning member 5 provided on the first shielding plate 1, the first positioning member 5 being movably provided with respect to the first shielding plate 1; the second locating piece 6 is arranged on the second protection plate 3, and the first locating piece 5 and the second locating piece 6 are clamped with each other so that the first protection plate 1 and the second protection plate 3 are connected. The size of the installation space 20 is convenient to adjust, the first protection plate 1 and the second protection plate 3 are convenient to be clamped in the installation groove, the first positioning piece 5 and the second positioning piece 6 are matched, the first protection plate 1 and the second protection plate 3 are connected stably, and the situation that the protection device falls down due to the fact that the second protection plate 3 or the first protection plate 1 moves is avoided.
In specific implementation, the first positioning piece 5 is a clamping hook, and the clamping hook is hinged on the first protection plate 1; the second positioning piece 6 is a clamping bulge, and the clamping hook is clamped on the clamping bulge. The structure that sets up like this is simple and be convenient for implement, makes things convenient for the connection and the separation of first guard plate 1 and second guard plate 3.
Wherein, first setting element 5 articulates on first guard plate 1, and protector still includes: the operation handle 7 is connected with the first positioning piece 5, and the operation handle 7 drives the first positioning piece 5 to rotate so as to enable the first positioning piece 5 to be clamped with or separated from the second positioning piece 6. Through hinging first setting element 5 on first guard plate 1, avoid first setting element 5 to drop by first guard plate 1, make first setting element 5 rotate around the pin joint simultaneously, make things convenient for first setting element 5 and the cooperation of second setting element 6, make things convenient for operating personnel to drive first setting element 5 through operating handle 7 and remove. Preferably, the operating handle 7 is a first operating lever.
In the specific implementation, as shown in fig. 2, the first positioning member 5 includes: the rotating body 50, the first end of the rotating body 50 is hinged on the first protection plate 1, and the operating handle 7 is connected with the rotating body 50; the clamping body 51 is disposed at the second end of the rotating body 50, and a first predetermined included angle is formed between the extending direction of the clamping body 51 and the extending direction of the rotating body 50, so as to form a clamping space between the rotating body 50 and the clamping body 51. The structure of setting like this is simple and be convenient for implement, is favorable to protector's lightweight design, can utilize joint body 51 and the backstop effect of second setting element 6 to realize being connected between first guard plate 1 and the second guard plate 3 simultaneously. Preferably, the second positioning member 6 is provided with a guiding end surface, and the guiding end surface is a curved surface, so that the clamping body 51 is conveniently clamped on the second positioning member 6.
As shown in fig. 3, the first shielding plate 1 includes: the first plate body 11, the avoiding space 2 is arranged on the first plate body 11; the second plate body 12 is connected with the first plate body 11, and a second preset included angle is formed between the first plate body 11 and the second plate body 12 so as to form a protection space between the first plate body 11 and the second plate body 12. Preferably, the first plate 11 and the second plate 12 are perpendicular to each other, and a protection space is formed between the first plate 11 and the second plate 12, so as to improve the protection performance of the protection device for operators.
In order to facilitate the connection of the first protection plate 1 with the second protection plate 3, the protection device further comprises: the first extension plate 8 is arranged on the first plate body 11, and the first extension plate 8 extends from the first plate body 11 towards a direction away from the first plate body 11; the second extension plate 9 is arranged on the second protection plate 3, and the second extension plate 9 extends from the second protection plate 3 towards a direction away from the second protection plate 3; the first extension plate 8 is hinged with the second extension plate 9 such that the second shielding plate 3 is rotatably arranged with respect to the first extension plate 8. Through setting up first extension board 8 and second extension board 9 and making first extension board 8 and second extension board 9 articulated, make first guard plate 1 and second guard plate 3 remain throughout to be connected, when conveniently installing in the mounting groove on insulating part, avoided first guard plate 1 or second guard plate 3 to lose, and articulated through first extension board 8 and second extension board 9 in addition, still increased the rotation scope of first guard plate 1 and second guard plate 3 to the insulating part of adaptation not unidimensional.
Specifically, the first protection plate 1 is hinged with the second protection plate 3, and the protection device further comprises: the movable handle 10 is arranged on the second protection plate 3, and the movable handle 10 drives the second protection plate 3 to move. In specific implementation, the first protection plate 1 is provided with a second operation rod, and the first protection plate 1 and the second protection plate 3 are independently operated by operating the second operation rod or the movable handle 10.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
the protection device provided by the invention is arranged in an installation groove of an insulating part, wherein the protection device comprises a first protection plate 1, an avoidance space 2, a second protection plate 3 and a protruding part 4, wherein the avoidance space 2 is arranged on the first protection plate 1, the second protection plate 3 is connected with the first protection plate 1, and the second protection plate 3 is movably arranged relative to the first protection plate 1 so as to shield part of the avoidance space 2, so that an installation space 20 is formed between the first protection plate 1 and the second protection plate 3; the protruding portion 4 is provided on the second protection plate 3, the protruding portion 4 protrudes with respect to the surface of the second protection plate 3, and at least part of the protruding portion 4 is in contact with the groove wall surface of the installation groove. Specifically, protector is made by insulating material, in the use like this, shelter from formation installation space 20 to dodging space 2 through second guard plate 3, utilize installation space 20 to make protector cover establish in the mounting groove, in order to make protector installation more firm, utilize bellying 4 to increase the thickness of second guard plate 3, make interference fit between second guard plate 3 and the mounting groove, can protect operating personnel effectively when operating personnel demolish the striking stick, improve operation security performance.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A protective device for installation in a mounting slot of an insulating member, the protective device comprising:
A first protection plate (1);
the avoidance space (2) is arranged on the first protection plate (1);
The second protection plate (3) is connected with the first protection plate (1), and the second protection plate (3) is rotatably arranged relative to the first protection plate (1) so as to shield part of the avoidance space (2) to form an installation space (20) between the first protection plate (1) and the second protection plate (3);
a protruding part (4) arranged on the second protection plate (3), wherein the protruding part (4) protrudes relative to the surface of the second protection plate (3), and at least part of the protruding part (4) is in contact with the wall surface of the mounting groove;
A yielding opening (30) is formed in the side end face of the second protection plate (3), and the side end face of the yielding opening (30) surrounded by the second protection plate (3) is a curved surface; the protruding portion (4) is a plate body, and the protruding portion (4) is located on the side of the abdication opening (30) and surrounds the abdication opening (30).
2. The guard of claim 1, further comprising:
a first positioning member (5) provided on the first protection plate (1), the first positioning member (5) being provided movably with respect to the first protection plate (1);
the second locating piece (6) is arranged on the second protection plate (3), and the first locating piece (5) is clamped with the second locating piece (6) mutually, so that the first protection plate (1) is connected with the second protection plate (3).
3. The protection device according to claim 2, characterized in that the first positioning element (5) is a hook hinged to the first protection plate (1);
the second positioning piece (6) is a clamping bulge, and the clamping hook is clamped on the clamping bulge.
4. The protection device according to claim 2, characterized in that said first positioning element (5) is hinged on said first protection plate (1), said protection device further comprising:
The operation handle (7) is connected with the first positioning piece (5), and the operation handle (7) drives the first positioning piece (5) to rotate so as to enable the first positioning piece (5) to be clamped with or separated from the second positioning piece (6).
5. The protection device according to claim 4, characterized in that said first positioning element (5) comprises:
the first end of the rotating body (50) is hinged to the first protection plate (1), and the operating handle (7) is connected with the rotating body (50);
the clamping body (51) is arranged at the second end of the rotating body (50), and a first preset included angle is formed between the extending direction of the clamping body (51) and the extending direction of the rotating body (50) so as to form a clamping space between the rotating body (50) and the clamping body (51).
6. The protection device according to claim 1, characterized in that said first protection plate (1) comprises:
the first plate body (11), the avoidance space (2) is arranged on the first plate body (11);
the second plate body (12) is connected with the first plate body (11), and a second preset included angle is formed between the first plate body (11) and the second plate body (12) so as to form a protection space between the first plate body (11) and the second plate body (12).
7. The guard of claim 6, further comprising:
a first extension plate (8) arranged on the first plate body (11), wherein the first extension plate (8) extends from the first plate body (11) towards a direction away from the first plate body (11);
A second extension plate (9) arranged on the second protection plate (3), wherein the second extension plate (9) extends from the second protection plate (3) towards a direction away from the second protection plate (3);
The first extension plate (8) is hinged to the second extension plate (9) such that the second protection plate (3) is rotatably arranged with respect to the first extension plate (8).
8. The protection device according to claim 1, characterized in that the first protection plate (1) is hinged to the second protection plate (3), the protection device further comprising:
The movable handle (10) is arranged on the second protection plate (3), and the movable handle (10) drives the second protection plate (3) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437457.5A CN114220616B (en) | 2021-11-29 | 2021-11-29 | Protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437457.5A CN114220616B (en) | 2021-11-29 | 2021-11-29 | Protective device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114220616A CN114220616A (en) | 2022-03-22 |
| CN114220616B true CN114220616B (en) | 2024-04-26 |
Family
ID=80698948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111437457.5A Active CN114220616B (en) | 2021-11-29 | 2021-11-29 | Protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114220616B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101036816B1 (en) * | 2010-12-20 | 2011-05-25 | 주식회사 누리플랜 | Emp protection room |
| CN109148215A (en) * | 2018-10-11 | 2019-01-04 | 西安西电开关电气有限公司 | Breaker |
| WO2019148628A1 (en) * | 2018-01-31 | 2019-08-08 | 宁德时代新能源科技股份有限公司 | Battery module |
| WO2019148613A1 (en) * | 2018-01-31 | 2019-08-08 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN110469192A (en) * | 2019-08-29 | 2019-11-19 | 重庆德新纪源科技有限公司 | Wind-proof protective device |
| CN111417296A (en) * | 2020-04-21 | 2020-07-14 | 合肥智瑞工程科技有限公司 | Insulating protector of high-tension electricity transformer substation |
| CN113541041A (en) * | 2021-08-27 | 2021-10-22 | 国网河南省电力公司濮阳供电公司 | 10kV pole construction insulation protection device for same-pole erection line |
-
2021
- 2021-11-29 CN CN202111437457.5A patent/CN114220616B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101036816B1 (en) * | 2010-12-20 | 2011-05-25 | 주식회사 누리플랜 | Emp protection room |
| WO2019148628A1 (en) * | 2018-01-31 | 2019-08-08 | 宁德时代新能源科技股份有限公司 | Battery module |
| WO2019148613A1 (en) * | 2018-01-31 | 2019-08-08 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN109148215A (en) * | 2018-10-11 | 2019-01-04 | 西安西电开关电气有限公司 | Breaker |
| CN110469192A (en) * | 2019-08-29 | 2019-11-19 | 重庆德新纪源科技有限公司 | Wind-proof protective device |
| CN111417296A (en) * | 2020-04-21 | 2020-07-14 | 合肥智瑞工程科技有限公司 | Insulating protector of high-tension electricity transformer substation |
| CN113541041A (en) * | 2021-08-27 | 2021-10-22 | 国网河南省电力公司濮阳供电公司 | 10kV pole construction insulation protection device for same-pole erection line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114220616A (en) | 2022-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204068027U (en) | Cover at the device on overhead bare conductor | |
| CN114220616B (en) | Protective device | |
| KR102211211B1 (en) | Bypass cable link clamp for hot-line job | |
| CN210113672U (en) | Regulator cubicle ground structure | |
| KR102190815B1 (en) | Lead wire integrated with prevent accidents from birds cut-out type lightning protection device | |
| KR102074639B1 (en) | Arrester | |
| KR101446932B1 (en) | Insulator for preventing breakaway of the power distribution line | |
| KR20190000956U (en) | conneting unit for clamp and insulator | |
| CN213906109U (en) | Drainage wire insulation support rod | |
| CN211788768U (en) | Knife switch structure of low-voltage power distribution cabinet circuit breaker | |
| CN204633219U (en) | A kind of Electrified installation tool of bird dispeller | |
| KR102093601B1 (en) | Apparatus for connecting protective cover | |
| KR102052310B1 (en) | Arrester | |
| CN213846121U (en) | Protection device for engineering cable | |
| CN219954849U (en) | Mining equipment's installing support | |
| CN213752569U (en) | Protective device for circuit breaker and distribution box | |
| CN216015743U (en) | Portable grounding device for cable head | |
| CN213989710U (en) | Positioning locking assembly for inner mask of modular distribution box | |
| CN221009649U (en) | Protection tool for replacing lightning protection insulator | |
| CN218569501U (en) | Controllable discharge lightning rod for building lightning protection | |
| CN220873355U (en) | EFD type high-frequency transformer with low power loss | |
| CN217782124U (en) | Protection device for tower basis outcrop and tower basis outcrop subassembly | |
| CN219018387U (en) | Electric box capable of preventing water spraying | |
| KR102485005B1 (en) | Insulating cover for a line-post type insulator for indirect live wire work | |
| CN214957376U (en) | Reduce pole ground structure of earth connection damage risk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |