CN112421252B - Locking mechanism of grounding structure - Google Patents
Locking mechanism of grounding structure Download PDFInfo
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- CN112421252B CN112421252B CN202011209929.7A CN202011209929A CN112421252B CN 112421252 B CN112421252 B CN 112421252B CN 202011209929 A CN202011209929 A CN 202011209929A CN 112421252 B CN112421252 B CN 112421252B
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- grounding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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Abstract
The invention discloses a locking mechanism of a grounding structure, which comprises a grounding end, wherein the locking mechanism of the grounding structure comprises a grounding pile, a guide piece, a pressing piece and a locking assembly. The ground connection stake is established subaerial, and the roof of ground connection stake is equipped with the cooperation groove, and the cooperation groove is used for installing the earthing terminal. The guide member is inserted into the ground stud and the ground terminal. The pressing piece is movably sleeved on the guide piece along the vertical direction, and the pressing piece is used for pressing the grounding end in the matching groove. The locking assembly is arranged on one of the grounding pile or the pressing piece and can be quickly and detachably connected with the other one of the grounding pile or the pressing piece. The locking mechanism of the grounding structure can improve the grounding installation efficiency of the grounding end and improve the grounding reliability of the grounding end.
Description
Technical Field
The invention relates to the technical field of safe operation of transformer substations, in particular to a locking mechanism of a grounding structure.
Background
The equipment of the transformer substation is always required to be subjected to power failure maintenance, and in order to prevent people from getting an electric shock due to sudden power failure, all the possible power failure sides of the power failure equipment are required to be grounded. The installation of the grounding wire is divided into the installation of a grounding end and the installation of a conductor end. The grounding pile used in the installation of the grounding end is a part for connecting the grounding wire with the ground grid, and the personnel safety can be guaranteed only by the conditions of fastening, error locking prevention, qualified grounding resistance and the like. At present, power failure of substation equipment often needs to be related to installation of multiple groups of grounding wires, and the existing grounding pile has the problems that threads are difficult to engage, the installation process consumes long time, and the installation can be successfully carried out only by aligning the threads for multiple times; the nut is not easy to screw up and is easy to loosen, so that the grounding is not reliable.
Disclosure of Invention
The invention aims to provide a locking mechanism of a grounding structure, which can improve the installation efficiency of grounding of a grounding end and improve the reliability of the grounding end when the grounding end is grounded.
In order to achieve the technical effects, the technical scheme of the locking mechanism of the grounding structure is as follows:
a locking mechanism for a ground structure, the ground structure including a ground terminal, the locking mechanism for the ground structure comprising: the grounding pile is arranged on the ground, and a matching groove is formed in the top wall of the grounding pile and used for installing a grounding end; the guide piece penetrates through the grounding pile and the grounding end; the pressing piece is movably sleeved on the guide piece along the vertical direction and is used for pressing the grounding end in the matching groove; and the locking assembly is arranged on the grounding pile and the pressing piece, and can quickly realize the detachable connection of the grounding pile and the pressing piece.
Furthermore, the locking mechanism of the grounding structure further comprises an elastic assembly, the elastic assembly is arranged in the matching groove, the grounding end is arranged on the elastic assembly when being grounded, and the elastic assembly is in a compressed state when the pressing piece presses the grounding end.
Further, the elastic assembly includes: one end of the elastic piece is connected with the bottom wall of the matching groove; the connecting piece, the connecting piece with the other end of elastic component is connected, when the earthing terminal was established in the cooperation groove, the roof butt of connecting piece was in on the diapire of earthing terminal.
Further, the cross section of the fitting groove is the same as that of the ground terminal.
Furthermore, the number of the locking assemblies is multiple, and one locking assembly is arranged on each side wall of the grounding pile or each side wall of the pressing piece.
Further, the locking assembly includes: the locking piece is rotatably arranged on the side wall of one of the grounding pile and the pressing piece; the fixing piece is arranged on the side wall of the other one of the grounding pile and the pressing piece; wherein: the locking member can be quickly connected with or released from the fixing member.
Further, the locker includes: the holding part is rotatably connected with the side wall of the grounding pile or the pressing piece through a connecting shaft; the elastic part is sleeved on the connecting shaft; the one end of hasp rotationally wears to establish in the portion of gripping and with the elasticity portion is connected, the other end of hasp is formed with the joint mouth, the joint mouth can cooperate on the mounting, the hasp with the junction of the portion of gripping with the connecting axle interval sets up.
Furthermore, the grounding pile and the pressing piece are respectively provided with a magnetic suction part, and the magnetic suction part on the grounding pile can attract the magnetic suction part on the pressing piece.
Furthermore, the locking mechanism of the grounding structure further comprises a five-prevention lock, and the five-prevention lock is arranged at the other end of the guide piece.
Furthermore, one of the grounding pile and the pressing piece is provided with a limiting block, and the other one of the grounding pile and the pressing piece is provided with a limiting groove matched with the limiting block.
The invention has the beneficial effects that: according to the locking mechanism of the grounding structure, due to the fact that the matching groove of the grounding pile can facilitate quick installation of the grounding end, the pressing piece can be matched with the grounding pile quickly under the action of the guide piece, and the locking assembly can quickly detach or link the pressing piece and the grounding end, so that reliable and quick detachment and installation of the grounding end on the grounding pile are achieved, the time for installing the grounding end is shortened, and the grounding reliability of the grounding end is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a locking mechanism of a grounding structure provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of an exploded structure of a locking mechanism of a grounding structure provided by an embodiment of the present invention with a locking assembly removed;
figure 3 is a schematic structural view of a ground stake and spring assembly provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a locking assembly according to an embodiment of the present invention.
Reference numerals
1. Grounding piles; 11. a mating groove; 2. a guide member; 3. a compression member; 4. a locking assembly; 41. a locking member; 411. a grip portion; 412. an elastic portion; 413. locking; 42. a fixing member; 5. an elastic component; 51. an elastic member; 52. a connecting member; 6. five-prevention lock; 100. and a ground terminal.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The specific structure of the locking mechanism of the grounding structure of the embodiment of the present invention is described below with reference to fig. 1 to 4.
The specific structure of the locking mechanism of the grounding structure of the embodiment of the present invention is described below with reference to fig. 1 to 4.
As shown in fig. 1-4, fig. 1 discloses a locking mechanism of a grounding structure, which includes a grounding terminal 100, and the locking mechanism of the grounding structure includes a grounding pile 1, a guide member 2, a pressing member 3 and a locking assembly 4. The ground connection pile 1 is arranged on the ground, the top wall of the ground connection pile 1 is provided with a matching groove 11, and the matching groove 11 is used for installing the ground terminal 100. The guide 2 is inserted into the ground stud 1 and the ground terminal 100. The pressing member 3 is movably sleeved on the guide member 2 along the vertical direction, and the pressing member 3 is used for pressing the grounding terminal 100 in the matching groove 11. Locking Assembly 4 establishes on ground connection stake 1 and compresses tightly piece 3, and locking Assembly 4 can realize ground connection stake 1 and compress tightly the quick detachable connection of piece 3.
It can be understood that the ground terminal 100 can be installed in the matching groove 11, so that the ground terminal 100 can be installed on the ground pile 1 quickly, the connection efficiency of the ground structure and the locking mechanism is improved, and meanwhile, a good visual and fool-proof effect can be achieved for the installation of the ground terminal 100 on the ground pile 1. Guide 2 can prevent that earthing terminal 100 from taking out from cooperation groove 11, ensures the security of earthing terminal 100 in ground connection process, can also be convenient for compress tightly 3 and install on ground connection stake 1 fast, makes to compress tightly 3 can be very fast get into can with ground connection stake 1 complex locking position on to be convenient for locking Assembly 4 will compress tightly a 3 locking on ground connection stake 1. After the pressing piece 3 is stably connected with the grounding pile 1, the grounding end 100 can be stably connected with the grounding pile 1, and meanwhile, the grounding pile 1 is arranged on the ground, so that the grounding end 100 can be quickly and reliably in a grounding state.
According to the locking mechanism of the ground structure of this embodiment, because the cooperation groove 11 of ground connection stake 1 can be convenient for the quick installation of earthing terminal 100, compress tightly a 3 can be comparatively quick under guide 2's effect and ground connection stake 1 cooperation, the realization that locking Assembly 4 can be quick compresses tightly the dismantlement or the linking between a 3 and the earthing terminal 100, thereby the reliable quick dismouting of earthing terminal 100 on ground connection stake 1 has been improved, it is long when the installation of earthing terminal 100 has been reduced, the reliability of earthing terminal 100 ground connection has been improved.
In some embodiments, as shown in fig. 1-3, the locking mechanism of the grounding structure further includes an elastic component 5, the elastic component 5 is disposed in the matching groove 11, the grounding terminal 100 is disposed on the elastic component 5 when being grounded, and the elastic component 5 is in a compressed state when the pressing member 3 presses the grounding terminal 100.
It can be understood that, when pressing member 3 locks on ground connection stake 1, can zonulae occludens between the diapire that presses member 3 and the roof of ground connection stake 1, establish simultaneously earthing terminal 100 in cooperation groove 11 also with the butt under the spring action of elastic component 5 on the diapire that presses member 3, press member 3 simultaneously, earthing stake 1 and elastic component 5 are the conductor, make elastic component 5 can ensure that earthing terminal 100 can realize the ground connection with ground through pressing member 3 and earthing terminal 100, both guaranteed earthing terminal 100's locking effect, earthing terminal 100's reliability has also been improved.
In some embodiments, as shown in fig. 1-3, the elastic assembly 5 includes an elastic member 51 and a connecting member 52. One end of the elastic member 51 is connected to the bottom wall of the fitting groove 11. The connecting member 52 is connected to the other end of the elastic member 51, and when the ground terminal 100 is placed in the mating groove 11, the top wall of the connecting member 52 abuts against the bottom wall of the ground terminal 100.
It can be understood that the arrangement of the elastic element 51 and the connecting element 52 can better improve the abutting of the grounding terminal 100 on the bottom wall of the pressing element 3, and improve the stability and reliability of the connection of the grounding terminal 100 and the pressing element 3.
In some embodiments, the mating slot 11 has the same cross-section as the ground terminal 100.
It can be understood that, with the above-described arrangement, when the ground terminal 100 is fitted in the fitting groove 11, the peripheral surface of the ground terminal 100 abuts against the inner wall of the fitting groove 11, so that the ground terminal 100 can be tightly attached to the ground pile 1, and the grounding effect of the ground terminal 100 is further improved.
In some embodiments, the number of the locking assemblies 4 is multiple, and one locking assembly 4 is arranged on each side wall of the grounding pile 1 or the pressing member 3.
It can be understood that, locking Assembly 4 sets up to one, because it is connected through locking Assembly 4 only to have one side with ground connection stake 1 to compress tightly piece 3, under the effect of locking Assembly 4's locking force, there is the risk of perk in the opposite side that compresses tightly piece 3 and ground connection stake 1, the firm connection between 3 and the ground connection stake 1 not only can be ensured in the setting of a plurality of locking Assembly 4, can also be convenient for realize compressing tightly the diapire of piece 3 butt on the roof of ground connection stake 1 completely reliably, thereby ensure that earthing terminal 100 can be connected with ground connection stake 1 through compressing tightly piece 3, realize earthing terminal 100's reliable ground connection.
In some embodiments, as shown in fig. 1 and 4, locking assembly 4 includes a retaining member 41 and a retaining member 42. The locking member 41 is rotatably provided on a side wall of one of the ground stake 1 and the hold-down member 3. The fixing member 42 is provided on the side wall of the other of the ground stake 1 and the hold-down member 3. Wherein the locker 41 can be quickly coupled with the holder 42 or released from the holder 42.
It can be understood that, because the locking member 41 can be quickly connected to the fixing member 42 or quickly released from the fixing member 42, the pressing member 3 can be quickly disassembled and assembled on the grounding pile 1, so that the grounding efficiency of the grounding terminal 100 on the grounding pile 1 is effectively improved, and the time consumption of the grounding process of the grounding terminal 100 is remarkably reduced.
In some embodiments, as shown in fig. 4, the locking member 41 includes a grip portion 411, a resilient portion 412, and a catch 413. The holding portion 411 is rotatably connected with the side wall of the grounding pile 1 or the pressing member 3 through a connecting shaft. The elastic part 412 is sleeved on the connecting shaft. One end of the lock catch 413 is rotatably arranged in the holding portion 411 in a penetrating mode and connected with the elastic portion 412, a clamping interface is formed at the other end of the lock catch 413, the clamping interface can be matched with the fixing piece 42, and the connecting position of the lock catch 413 and the holding portion 411 is arranged at an interval with the connecting shaft.
It can be understood that, because the connection between the latch 413 and the holding portion 411 is spaced from the connection shaft, the latch 413 needs to overcome the elasticity of the elastic portion 412 to enable the locking interface to be fitted on the fixing member 42, after the latch 413 is fitted on the fixing member 42, under the elasticity of the elastic portion 412 and the limitation of the fixing member 42, the stable connection between the locking member 41 and the fixing member 42 can be ensured, and the connection between the locking member 41 and the fixing member 42 can be rapidly realized, meanwhile, when the locking member 41 needs to be released from the fixing member 42, an operator can stretch the latch 413 to enable the latch 413 to overcome the elasticity of the elastic portion 412 and release from the fixing member 42, and then the latch 413 can be rapidly returned under the elastic action of the elastic portion 412, thereby rapidly realizing the release of the locking member 41 on the fixing member 42. According to retaining member 41 of this embodiment, can realize locking Assembly 4 relatively conveniently and will compress tightly the effect that piece 3 locks on ground connection stake 1 and will compress tightly 3 and release from ground connection stake 1 fast.
Exemplarily, the elastic part 412 can be provided as a torsion spring.
In some embodiments, the grounding pile 1 and the pressing member 3 are respectively provided with a magnetic attraction portion, and the magnetic attraction portion on the grounding pile 1 can attract the magnetic attraction portion on the pressing member 3.
It can be understood that the portion of inhaling can further improve the cooperation compactness and the connection steadiness that compress tightly piece 3 and ground stake 1, also can be convenient for compress tightly the installation of piece 3 on ground stake 1, of course, for the ground connection of better realization earthing terminal 100, the portion of inhaling needs and compress tightly and set up insulation system between the conductor structure on piece 3 and the ground stake 1 when actual installation to guarantee earthing terminal 100's normal ground effect.
In some embodiments, as shown in fig. 1 and 2, the locking mechanism of the ground structure further comprises a five-prevention lock 6, and the five-prevention lock 6 is provided at the other end of the guide 2.
It can be understood that the security after the ground connection of assurance earthing terminal 100 that five prevent that the setting of lock 6 can be better prevents that operating personnel mistake from will pressing down 3 and take off from ground connection stake 1, can play the theftproof effect to pressing down 3 connection on ground connection stake 1, security when also can improving earthing terminal 100 ground connection.
In some embodiments, one of the grounding pile 1 and the pressing member 3 is provided with a limiting block (not shown), and the other is provided with a limiting groove (not shown) matched with the limiting block.
It can be understood that, through the cooperation between stopper and the spacing groove, can further improve ground connection stake 1 and compress tightly the connection steadiness between 3, also can further improve the guide effect who compresses tightly the installation of 3 on ground connection stake 1, make to compress tightly 3 and can install on locking position fast to be convenient for locking Assembly 4 will compress tightly 3 and ground connection stake 1 locking, improve and compress tightly the locking efficiency between 3 and the ground connection stake 1.
Example (b):
the locking mechanism of the grounding structure of one embodiment of the present invention is described below with reference to fig. 1 to 4.
The grounding structure of the present embodiment includes a grounding terminal 100, and the locking mechanism of the grounding structure includes a grounding pile 1, a guide 2, a pressing member 3, a locking assembly 4, an elastic assembly 5, and a five-prevention lock 6.
The ground connection pile 1 is arranged on the ground, the top wall of the ground connection pile 1 is provided with a matching groove 11, and the matching groove 11 is used for installing the ground terminal 100. The mating groove 11 has the same cross section as the ground terminal 100.
The guide 2 is inserted into the ground stud 1 and the ground terminal 100.
The pressing member 3 is movably sleeved on the guide member 2 along the vertical direction, and the pressing member 3 is used for pressing the grounding terminal 100 in the matching groove 11.
The elastic component 5 is arranged in the matching groove 11, the grounding terminal 100 is arranged on the elastic component 5 when being grounded, and the elastic component 5 is in a compressed state when the pressing piece 3 presses the grounding terminal 100. The elastic member 5 includes an elastic member 51 and a connecting member 52. One end of the elastic member 51 is connected to the bottom wall of the fitting groove 11. The connecting member 52 is connected to the other end of the elastic member 51, and when the ground terminal 100 is placed in the mating groove 11, the top wall of the connecting member 52 abuts against the bottom wall of the ground terminal 100.
A five-prevention lock 6 is provided at the other end of the guide 2.
In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (9)
1. A locking mechanism for a ground structure, the ground structure including a ground terminal (100), the locking mechanism comprising:
the grounding pile (1) is arranged on the ground, a matching groove (11) is formed in the top wall of the grounding pile (1), and the matching groove (11) is used for installing a grounding end (100);
a guide (2), wherein the guide (2) is arranged in the grounding pile (1) and the grounding end (100) in a penetrating way;
the pressing piece (3) is movably sleeved on the guide piece (2) along the vertical direction, and the pressing piece (3) is used for pressing the grounding end (100) in the matching groove (11);
the locking assembly (4) is arranged on the grounding pile (1) and the pressing piece (3), and the locking assembly (4) can quickly realize detachable connection of the grounding pile (1) and the pressing piece (3);
the locking mechanism of the grounding structure further comprises an elastic component (5), the elastic component (5) is arranged in the matching groove (11), the grounding end (100) is arranged on the elastic component (5) when being grounded, and the elastic component (5) is in a compression state when the pressing piece (3) presses the grounding end (100).
2. Locking mechanism of a grounding structure in accordance with claim 1 characterized in that the elastic assembly (5) comprises:
an elastic member (51), one end of the elastic member (51) being connected to the bottom wall of the fitting groove (11);
and the connecting piece (52), the connecting piece (52) is connected with the other end of the elastic piece (51), and when the grounding terminal (100) is arranged in the matching groove (11), the top wall of the connecting piece (52) is abutted against the bottom wall of the grounding terminal (100).
3. The latch mechanism of a ground structure according to claim 1, wherein the mating groove (11) has the same cross section as the ground terminal (100).
4. A locking mechanism of a grounding structure according to claim 1, characterized in that the locking assemblies (4) are plural, and one locking assembly (4) is provided on each side wall of the grounding pile (1) or the pressing member (3).
5. Locking mechanism of a grounding structure according to claim 1, characterized in that said locking assembly (4) comprises:
a locking member (41), wherein the locking member (41) is rotatably arranged on the side wall of one of the grounding pile (1) and the pressing member (3);
a fixing piece (42), wherein the fixing piece (42) is arranged on the side wall of the other one of the grounding pile (1) and the pressing piece (3); wherein:
the locking member (41) can be quickly connected with the fixing member (42) or released from the fixing member (42).
6. Locking mechanism of a grounding structure in accordance with claim 5 characterized in that the locking member (41) comprises:
the holding part (411), the holding part (411) is rotatably connected with the side wall of the grounding pile (1) or the pressing piece (3) through a connecting shaft;
the elastic part (412), the elastic part (412) is sleeved on the connecting shaft;
hasp (413), the one end of hasp (413) is rotationally worn to establish in the portion of gripping (411) and with elasticity portion (412) are connected, the other end of hasp (413) is formed with the joint mouth, the joint mouth can cooperate on mounting (42), hasp (413) with the junction of the portion of gripping (411) with the connecting axle interval sets up.
7. The locking mechanism of a grounding structure of any one of claims 1 to 6, wherein the grounding pile (1) and the pressing member (3) are respectively provided with a magnetic attraction part, and the magnetic attraction part on the grounding pile (1) can attract the magnetic attraction part on the pressing member (3).
8. Locking mechanism of a grounding structure according to any of claims 1-6, characterized in that it further comprises a five-prevention lock (6), which five-prevention lock (6) is provided at the other end of the guide (2).
9. The locking mechanism of the grounding structure of any one of claims 1 to 6, wherein one of the grounding pile (1) and the pressing member (3) is provided with a limiting block, and the other one is provided with a limiting groove matched with the limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011209929.7A CN112421252B (en) | 2020-11-03 | 2020-11-03 | Locking mechanism of grounding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011209929.7A CN112421252B (en) | 2020-11-03 | 2020-11-03 | Locking mechanism of grounding structure |
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| CN112421252A CN112421252A (en) | 2021-02-26 |
| CN112421252B true CN112421252B (en) | 2022-04-12 |
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| CN202011209929.7A Active CN112421252B (en) | 2020-11-03 | 2020-11-03 | Locking mechanism of grounding structure |
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| CN113097809A (en) * | 2021-03-31 | 2021-07-09 | 广东电网有限责任公司 | Grounding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203026666U (en) * | 2012-11-13 | 2013-06-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Portable magnetic grounding device |
| CN204376283U (en) * | 2015-01-09 | 2015-06-03 | 国家电网公司 | The removable earth terminal of transformer station |
| CN206180143U (en) * | 2016-10-17 | 2017-05-17 | 国网山东省电力公司滨州市沾化区供电公司 | Portable power construction grounding device |
| CN106654617B (en) * | 2016-10-27 | 2019-06-07 | 国家电网公司 | Portable short-circuit grounding wire and its installation method |
| CN206236806U (en) * | 2016-11-01 | 2017-06-09 | 三一重型能源装备有限公司 | For becoming the electric installation of oar cabinet and becoming oar cabinet |
| CN206976913U (en) * | 2017-07-26 | 2018-02-06 | 丹东电力勘察设计院 | A kind of transformer station dead earth device |
| CN208608366U (en) * | 2018-06-21 | 2019-03-15 | 士铖兴工程技术（江苏）有限公司 | Power construction earthing or grounding means |
| CN208923384U (en) * | 2018-11-08 | 2019-05-31 | 广东电网有限责任公司 | Ground stud and earthed system |
| CN210692779U (en) * | 2019-08-12 | 2020-06-05 | 国网浙江省电力有限公司嘉兴供电公司 | Movable ground wire pile |
| CN110911859B (en) * | 2019-12-10 | 2021-05-25 | 珠海优特电力科技股份有限公司 | Ground wire pile |
| CN211295403U (en) * | 2020-03-11 | 2020-08-18 | 甘肃兰金民用爆炸高新技术有限责任公司 | Electrical equipment grounding device mounting structure |
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