CN116259985B - Electric power engineering electric power grounding pile - Google Patents
Electric power engineering electric power grounding pile Download PDFInfo
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- CN116259985B CN116259985B CN202310544355.6A CN202310544355A CN116259985B CN 116259985 B CN116259985 B CN 116259985B CN 202310544355 A CN202310544355 A CN 202310544355A CN 116259985 B CN116259985 B CN 116259985B
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- rod
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- shell
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention relates to the technical field of grounding piles and provides an electric power grounding pile of an electric power engineering, which comprises a grounding pile shell mechanism, a protection mechanism and conductive parts, wherein a conductive rod in the grounding pile shell mechanism is connected with the grounding rod, an insulating sleeve is sleeved outside the conductive rod, a conductive plug in the conductive part is fixedly connected with the surface of a movable plate, the upper end of the conductive plug is electrically connected with external equipment, the lower end of the conductive plug is inserted and connected in a conductive jack, a connecting rod is fixedly connected below the movable plate, a third spring is movably sleeved on the surface of the connecting rod, a first sleeve ring in the protection mechanism is movably sleeved outside the insulating sleeve, a first buffer rod is hinged between the first sleeve ring and a plurality of protection shells, the lower part of the connecting rod is fixedly connected with the surface of the first sleeve ring, a second spring is positioned in the protection shells, an elastic plate is slidingly connected between the plurality of protection shells, and two ends of the second spring are connected with two adjacent elastic plates.
Description
Technical Field
The invention relates to the technical field of grounding piles, in particular to an electric power engineering electric power grounding pile.
Background
The grounding refers to a neutral point of a power system and an electric device, an exposed conductive part of electric equipment and an exposed conductive part of the electric equipment are connected with the ground through conductors, and the grounding can be divided into working grounding, lightning protection grounding and protection grounding.
When the existing electric power grounding pile encounters impact, although the protective shell arranged on the outer sides of the conducting rod and the grounding rod plays a certain role in protection, when the impact force is large, the inside conducting rod or the grounding rod is easy to bend and deform, the resistance of the bent conducting rod or the grounding rod can be increased, and as the conducting rod or the grounding rod is always in an electrified state, when the conducting rod or the grounding rod is increased, the heating situation can occur, and the fire and other problems can be caused when the impact force is serious.
Disclosure of Invention
In order to achieve the above purpose, the invention provides a power engineering power grounding pile which comprises a grounding pile shell mechanism, a protection mechanism and a conductive component, wherein the grounding pile shell mechanism comprises a grounding rod, a conductive rod and an insulating sleeve, the lower part of the conductive rod is fixedly connected with the grounding rod, the insulating sleeve is fixedly sleeved on the outer side of the conductive rod, and a conductive jack is arranged above the conductive rod;
the conductive component comprises a movable plate, a conductive plug, a connecting rod and a third spring, wherein the conductive plug is fixedly connected to the surface of the movable plate, the upper end of the conductive plug is electrically connected with external equipment, the lower end of the conductive plug is connected in a conductive jack in a plugging manner, the connecting rod is fixedly connected below the movable plate, and the third spring is movably sleeved on the surface of the connecting rod;
the protection mechanism comprises a protection shell, an elastic plate, a second spring, a first buffer rod and a first collar, wherein the first collar is movably sleeved outside the insulation sleeve, the first collar and a plurality of the protection shells are hinged with the first buffer rod, the lower part of the connecting rod is fixedly connected with the surface of the first collar, the second spring is positioned in the protection shell, the elastic plate is slidably connected between the protection shells, and two ends of the second spring are connected with two adjacent elastic plates.
As a further scheme of the invention, the grounding pile shell mechanism further comprises a protective shell, a base, a fixed inserted link and a sealing shell, wherein the protective shell, the grounding link, the conducting link and the insulating sleeve are all fixedly connected with the base, the protective shell is positioned between the protective shell and the insulating sleeve, the sealing shell is fixedly connected above the protective shell, the fixed inserted link is fixedly connected below the base, the conducting parts are distributed in the sealing shell, and the third spring is connected between the sealing shell and the movable plate.
As a further scheme of the invention, the protection mechanism further comprises a second buffer rod, a second lantern ring, a movable plunger rod and a first spring, wherein the second buffer rod is hinged between the protection shell and the second lantern ring, the second lantern ring is movably sleeved outside the insulation sleeve, the second buffer rod and the second lantern ring are positioned below the first buffer rod and the first lantern ring, the movable plunger rod is fixedly connected to the lower surface of the second lantern ring, the first spring is connected between the second lantern ring and the base, the first spring is movably sleeved on the surface of the movable plunger rod, the protection shell and the base are respectively provided with a first avoidance hole and a second avoidance hole, the first buffer rod and the second buffer rod penetrate through the first avoidance hole, and the movable plunger rod penetrates through the second avoidance hole.
As a further scheme of the invention, a fixed baffle is fixedly connected in the sealing shell, a first binding post is arranged on the surface of the fixed baffle, a second binding post is arranged at the upper end of the conductive plug, a connecting wire is connected between the first binding post and the second binding post, and the first binding post is also connected with external equipment through an external wire.
As a further scheme of the invention, the lower surface of the fixed baffle is provided with a pressure sensor, the outside of the sealing shell is provided with an audible and visual alarm, the pressure sensor is in communication connection with a remote computer system, and the remote computer system is in communication connection with the audible and visual alarm.
As a further scheme of the invention, the conductive part further comprises a telescopic part and a fourth spring, wherein the telescopic part comprises a fixed pipe and a telescopic rod, the fixed pipe is fixedly connected to the surface of the fixed baffle, the upper part of the telescopic rod is movably sleeved in the fixed pipe, the movable plate is fixedly connected with the lower part of the telescopic rod, the fourth spring is connected between the fixed pipe and the movable plate, and the fourth spring is movably sleeved on the surface of the telescopic rod.
As a further scheme of the invention, a sealing cover is arranged above the sealing shell, a threading hole is formed in the surface of the sealing cover, and the external lead penetrates through the threading hole.
The beneficial effects of the invention are that: when receiving the striking, the protective housing, the elastic plate, the second spring, first buffer rod, first lantern ring, the fly leaf, mutually supporting between conductive plug, connecting rod and the third spring, on the one hand can play the effect of buffering and weakening impact force, prevent that the conductive rod from appearing bending deformation's problem, on the other hand when the impact force is too big, conductive plug can be with conductive rod disconnection, prevent that conductive rod from appearing the resistance increase when changing shape or distortion state and external equipment circular telegram and leading to the serious problem of generating heat, possess the characteristics that the protection effect is good and factor of safety is high.
Drawings
Fig. 1 is a front view of a ground stake housing mechanism in an embodiment of the invention.
Fig. 2 is a front view of a protection mechanism according to an embodiment of the present invention.
Fig. 3 is a perspective view of a conductive member in an embodiment of the present invention.
Fig. 4 is a front view of an electric power engineering electric power grounding pile according to an embodiment of the present invention.
Fig. 5 is a top view of an electric power engineering electric power grounding pile according to an embodiment of the present invention.
Fig. 6 is an enlarged view of a portion of fig. 4 a in accordance with the present invention.
Fig. 7 is a schematic plan view of a conductive plug disconnected from a conductive rod according to an embodiment of the present invention.
Fig. 8 is an enlarged view of a portion of b of fig. 4 in accordance with the present invention.
Fig. 9 is a schematic plan view of the movable plunger inserted into the ground according to the embodiment of the present invention.
Reference numerals: 1-ground stake housing mechanism, 11-protective housing, 111-first dodge hole, 12-base, 121-fixed inserted bar, 122-second dodge hole, 13-ground bar, 14-conductive bar, 141-conductive jack, 15-insulating sleeve, 16-sealed housing, 161-sealed lid, 1611-threading hole, 162-fixed baffle, 163-first terminal, 164-connecting wire, 17-pressure sensor, 18-audible and visual alarm, 19-external wire, 2-protective mechanism, 21-protective housing, 211-elastic plate, 212-second spring, 22-first buffer bar, 23-second buffer bar, 24-first collar, 25-second collar, 26-movable inserted bar, 27-first spring, 3-conductive member, 31-movable plate, 32-second terminal, 33-conductive plug, 34-connecting rod, 35-third spring, 36-telescoping member, 37-fourth spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 7, an electric power engineering electric power grounding pile provided by an embodiment of the invention comprises a grounding pile shell mechanism 1, a protection mechanism 2 and a conductive component 3, wherein the grounding pile shell mechanism 1 comprises a grounding rod 13, a conductive rod 14 and an insulating sleeve 15, the lower part of the conductive rod 14 is fixedly connected with the grounding rod 13, the insulating sleeve 15 is fixedly sleeved on the outer side of the conductive rod 14, and a conductive jack 141 is arranged above the conductive rod 14;
the conductive component 3 comprises a movable plate 31, a conductive plug 33, a connecting rod 34 and a third spring 35, wherein the conductive plug 33 is fixedly connected to the surface of the movable plate 31, the upper end of the conductive plug 33 is electrically connected with external equipment, the lower end of the conductive plug 33 is connected in a conductive jack 141 in a plugging manner, the connecting rod 34 is fixedly connected below the movable plate 31, and the third spring 35 is movably sleeved on the surface of the connecting rod 34;
the protection mechanism 2 comprises a protection shell 21, an elastic plate 211, a second spring 212, a first buffer rod 22 and a first lantern ring 24, wherein the first lantern ring 24 is movably sleeved outside the insulation sleeve 15, the first lantern ring 24 is hinged with the first buffer rod 22 between the protection shell 21, the lower part of the connecting rod 34 is fixedly connected with the surface of the first lantern ring 24, the second spring 212 is positioned in the protection shell 21, the elastic plate 211 is slidably connected between the protection shells 21, and two ends of the second spring 212 are connected with two adjacent elastic plates 211.
In the embodiment of the present invention, although the micro-displacement of the movable plate 31 upwards can move the conductive plug 33 in the conductive jack 141, since the side surface of the conductive plug 33 is always in contact with the side wall of the conductive jack 141, as long as the conductive plug 33 is not separated from the conductive jack 141, the current of the external device can smoothly enter the ground along the conductive rod 14 and the grounding rod 13;
the design of mutually supporting between shield shell 21, elastic plate 211 and the second spring 212, when the impact strikes a plurality of shield shell 21 and any one of elastic plate 211, on the one hand, the second spring 212 between a plurality of shield shell 21 and the elastic plate 211 can be fine play the effect of weakening impact force, and on the other hand, a plurality of shield shell 21 all can be moved towards the direction of shield shell 11, possess the effectual characteristics of buffering.
Referring to fig. 1 to 7, in one embodiment of the present invention, the ground stake housing mechanism 1 further includes a protective housing 11, a base 12, a fixed insert rod 121 and a sealing shell 16, wherein the protective housing 11, the ground rod 13, the conductive rod 14 and the insulating sleeve 15 are all fixedly connected with the base 12, the protective housing 11 is located between the protective housing 21 and the insulating sleeve 15, the sealing shell 16 is fixedly connected above the protective housing 11, the fixed insert rod 121 is fixedly connected below the base 12, the conductive members 3 are distributed in the sealing shell 16, and the third springs 35 are connected between the sealing shell 16 and the movable plate 31.
Further, a fixed baffle 162 is fixedly connected in the sealing shell 16, a first binding post 163 is mounted on the surface of the fixed baffle 162, a second binding post 32 is arranged at the upper end of the conductive plug 33, a connecting wire 164 is connected between the first binding post 163 and the second binding post 32, and the first binding post 163 is further connected with external equipment through an external connecting wire 19.
Further, the lower surface of the fixed baffle 162 is provided with a pressure sensor 17, the outside of the sealing shell 16 is provided with an audible and visual alarm 18, the pressure sensor 17 is in communication connection with a remote computer system, and the remote computer system is in communication connection with the audible and visual alarm 18.
Further, the conductive component 3 further includes a telescopic member 36 and a fourth spring 37, the telescopic member 36 includes a fixed pipe and a telescopic rod, the fixed pipe is fixedly connected to the surface of the fixed baffle 162, the telescopic rod is movably sleeved in the fixed pipe, the movable plate 31 is fixedly connected to the lower part of the telescopic rod, the fourth spring 37 is connected between the fixed pipe and the movable plate 31, the fourth spring 37 is movably sleeved on the surface of the telescopic rod, and the downward impact force of the fourth spring 37 and the third spring 35 can fix the position of the conductive plug 33 in the conductive jack 141, so that the conductive plug 33 is prevented from being separated from the conductive jack 141 due to severe shaking.
Further, a sealing cover 161 is installed above the sealing shell 16, a threading hole 1611 is provided on the surface of the sealing cover 161, and the external connection wire 19 penetrates through the threading hole 1611.
In the embodiment of the present invention, the current of the external device is transmitted to the ground through the external wire 19, the first binding post 163, the connection wire 164, the second binding post 32, the conductive plug 33, the conductive insertion hole 141, the conductive rod 14, and the ground rod 13.
Referring to fig. 1 to 9, in an embodiment of the present invention, the protection mechanism 2 further includes a second buffer rod 23, a second collar 25, a movable plunger 26, and a first spring 27, where the second buffer rod 23 is hinged between the protection housing 11 and the second collar 25, the second collar 25 is movably sleeved outside the insulation sleeve 15, the second buffer rod 23 and the second collar 25 are located below the first buffer rod 22 and the first collar 24, the movable plunger 26 is fixedly connected to the lower surface of the second collar 25, the first spring 27 is connected between the second collar 25 and the base 12, the first spring 27 is movably sleeved on the surface of the movable plunger 26, the protection housing 11 and the base 12 are respectively provided with a first avoiding hole 111 and a second avoiding hole 122, the first buffer rod 22 and the second buffer rod 23 penetrate through the first avoiding hole 111, and the movable plunger 26 penetrates through the second avoiding hole 122.
In the embodiment of the invention, when the protective shell 21 is impacted severely, the second collar 25 moving downwards drives the movable inserted link 26 to be inserted into the ground by overcoming the elastic force of the first spring 27, and the movable inserted link 26 plays a role in further reinforcing the protective shell 11 and preventing the protective shell from deforming, thereby preventing the conductive rod 14 from bending.
Working principle: when the protective shell 21 is slightly impacted, the impact force drives the protective shell 21 to move towards the protective shell 11, the moving protective shell 11 drives the first lantern ring 24 and the second lantern ring 25 to slide along the insulating sleeve 15 through the first buffer rod 22 and the second buffer rod 23, on one hand, the sliding first lantern ring 24 transmits the impact force to the third spring 35 through the connecting rod 34, the impact force is transmitted to the fourth spring 37 through the connecting rod 34 and the movable plate 31, the elastic buffering of the third spring 35 and the fourth spring 37 plays a role in weakening the impact force, on the other hand, the sliding second lantern ring 25 transmits the impact force to the first spring 27, the elastic deformation of the first spring 27 further plays a role in weakening the impact force, and the protective and buffering effects are good.
When the protective shell 21 is impacted violently, the protective shell 21 is contacted with the protective shell 11 instantaneously due to overlarge impact force, the sliding first lantern ring 24 drives the movable plate 31 to move upwards through the connecting rod 34, the movable plate 31 moving upwards drives the conductive plug 33 to move out of the conductive jack 141 at the end part of the conductive rod 14, so that the conductive rod 14 is disconnected from an external device, on the other hand, the second lantern ring 25 moving downwards drives the movable inserting rod 26 to be inserted into the ground in a mode of overcoming the elastic force of the first spring 27, the movable inserting rod 26 is inserted into the ground to further strengthen the protective shell 11 and prevent the deformation of the protective shell, and further the conductive rod 14 is prevented from bending, the protective shell has the characteristic of good protective effect, so that the problem that the conductive rod 14 is seriously heated due to the increase of resistance when the conductive rod 14 is electrified with external devices in a deformed or twisted state is prevented, meanwhile, the current of the external conductive wire 19 is prevented from being transmitted to the protective shell 11 through the conductive plug 33 to cause short circuit under a serious damage state, the movable plate 31 moving upwards can trigger the pressure sensor 17, and the external computer system receives a pressure sensor 17 to trigger the pressure sensor signal, the sound sensor 18 and the light sensor 18, and the alarm lamp 18 can only send out an alarm signal to prompt the person to repair the person in high maintenance position, and the person can not have the high safety factor.
To sum up, when receiving the striking, the protecting crust 21, the elastic plate 211, the second spring 212, the first buffer rod 22, the first lantern ring 24, the movable plate 31, the conductive plug 33, the connecting rod 34 and the third spring 35 cooperate with each other, on the one hand, the effect of buffering and weakening the impact force can be achieved, and the problem of bending deformation of the conductive rod 14 is prevented, on the other hand, when the striking force is too large, the conductive plug 33 is disconnected with the conductive rod 14, and the problem of serious heating caused by resistance increase of the conductive rod 14 when the conductive rod 14 is electrified with external equipment in a deformed or twisted state is prevented.
It will be apparent to those skilled in the art that although several embodiments and examples of the present invention have been described, these embodiments and examples are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other modes, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The electric power grounding pile for the electric power engineering comprises a grounding pile shell mechanism, a protection mechanism and a conductive component, and is characterized in that the grounding pile shell mechanism comprises a grounding rod, a conductive rod and an insulating sleeve, wherein the lower part of the conductive rod is fixedly connected with the grounding rod, the insulating sleeve is fixedly sleeved on the outer side of the conductive rod, and a conductive jack is arranged above the conductive rod;
the conductive component comprises a movable plate, a conductive plug, a connecting rod and a third spring, wherein the conductive plug is fixedly connected to the surface of the movable plate, the upper end of the conductive plug is electrically connected with external equipment, the lower end of the conductive plug is connected in a conductive jack in a plugging manner, the connecting rod is fixedly connected below the movable plate, and the third spring is movably sleeved on the surface of the connecting rod;
the protection mechanism comprises a protection shell, an elastic plate, a second spring, a first buffer rod and a first collar, wherein the first collar is movably sleeved outside the insulation sleeve, the first collar and a plurality of the protection shells are hinged with the first buffer rod, the lower part of the connecting rod is fixedly connected with the surface of the first collar, the second spring is positioned in the protection shell, the elastic plate is slidably connected between the protection shells, and two ends of the second spring are connected with two adjacent elastic plates.
2. The electric power engineering electric power grounding pile according to claim 1, wherein the grounding pile shell mechanism further comprises a protective shell, a base, a fixed inserting rod and a sealing shell, the protective shell, the grounding rod, the conducting rod and the insulating sleeve are fixedly connected with the base, the protective shell is located between the protective shell and the insulating sleeve, the sealing shell is fixedly connected above the protective shell, the fixed inserting rod is fixedly connected below the base, the conducting parts are distributed in the sealing shell, and the third spring is connected between the sealing shell and the movable plate.
3. The electric power engineering electric power grounding pile according to claim 2, wherein the protection mechanism further comprises a second buffer rod, a second sleeve ring, a movable plunger rod and a first spring, the second buffer rod is hinged between the protection shell and the second sleeve ring, the second sleeve ring is movably sleeved outside the insulating sleeve, the second buffer rod and the second sleeve ring are located below the first buffer rod and the first sleeve ring, the movable plunger rod is fixedly connected to the lower surface of the second sleeve ring, the first spring is connected between the second sleeve ring and the base, the first spring is movably sleeved on the surface of the movable plunger rod, the protection shell and the base are respectively provided with a first avoiding hole and a second avoiding hole, the first buffer rod and the second buffer rod penetrate through the first avoiding hole, and the movable plunger rod penetrates through the second avoiding hole.
4. The electric power engineering electric power grounding pile according to claim 2, wherein a fixed baffle is fixedly connected in the sealing shell, a first binding post is installed on the surface of the fixed baffle, a second binding post is arranged at the upper end of the conductive plug, a connecting wire is connected between the first binding post and the second binding post, and the first binding post is further connected with external equipment through an external wire.
5. The electric power engineering electric power grounding pile according to claim 4, wherein a pressure sensor is installed on the lower surface of the fixed baffle, an audible and visual alarm is installed on the outer side of the sealing shell, the pressure sensor is in communication connection with a remote computer system, and the remote computer system is in communication connection with the audible and visual alarm.
6. The electric power engineering electric power grounding pile according to claim 5, wherein the electric conduction component further comprises a telescopic piece and a fourth spring, the telescopic piece comprises a fixed pipe and a telescopic rod, the fixed pipe is fixedly connected to the surface of the fixed baffle, the telescopic rod is movably sleeved in the fixed pipe, the movable plate is fixedly connected with the lower portion of the telescopic rod, the fourth spring is connected between the fixed pipe and the movable plate, and the fourth spring is movably sleeved on the surface of the telescopic rod.
7. The electric power engineering electric power grounding pile according to claim 4, wherein a sealing cover is installed above the sealing shell, threading holes are formed in the surface of the sealing cover, and the external conducting wires penetrate through the threading holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310544355.6A CN116259985B (en) | 2023-05-16 | 2023-05-16 | Electric power engineering electric power grounding pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310544355.6A CN116259985B (en) | 2023-05-16 | 2023-05-16 | Electric power engineering electric power grounding pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116259985A CN116259985A (en) | 2023-06-13 |
| CN116259985B true CN116259985B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310544355.6A Active CN116259985B (en) | 2023-05-16 | 2023-05-16 | Electric power engineering electric power grounding pile |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1086390A1 (en) * | 1979-12-17 | 1984-04-15 | Сибирский научно-исследовательский институт энергетики | Method of measuring current draining from grounding electrode |
| CN106921054A (en) * | 2017-03-02 | 2017-07-04 | 国网天津市电力公司 | A kind of portable earthing or grounding means for power equipment |
| CN108598729A (en) * | 2018-04-20 | 2018-09-28 | 郑俊杰 | A kind of electrical engineering earthing or grounding means |
| CN212359246U (en) * | 2020-05-22 | 2021-01-15 | 甘肃警察职业学院 | Anti-riot police service pavilion on duty |
| CN216773540U (en) * | 2022-03-11 | 2022-06-17 | 石通 | Electric power engineering's electric power ground connection stake |
| CN114709637A (en) * | 2022-04-25 | 2022-07-05 | 云南电网有限责任公司大理供电局 | Multipurpose grounding device capable of being plugged and unplugged quickly |
-
2023
- 2023-05-16 CN CN202310544355.6A patent/CN116259985B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1086390A1 (en) * | 1979-12-17 | 1984-04-15 | Сибирский научно-исследовательский институт энергетики | Method of measuring current draining from grounding electrode |
| CN106921054A (en) * | 2017-03-02 | 2017-07-04 | 国网天津市电力公司 | A kind of portable earthing or grounding means for power equipment |
| CN108598729A (en) * | 2018-04-20 | 2018-09-28 | 郑俊杰 | A kind of electrical engineering earthing or grounding means |
| CN212359246U (en) * | 2020-05-22 | 2021-01-15 | 甘肃警察职业学院 | Anti-riot police service pavilion on duty |
| CN216773540U (en) * | 2022-03-11 | 2022-06-17 | 石通 | Electric power engineering's electric power ground connection stake |
| CN114709637A (en) * | 2022-04-25 | 2022-07-05 | 云南电网有限责任公司大理供电局 | Multipurpose grounding device capable of being plugged and unplugged quickly |
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| CN116259985A (en) | 2023-06-13 |
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