CN112909590A - Electric power grounding pile and operation method thereof - Google Patents
Electric power grounding pile and operation method thereof Download PDFInfo
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- CN112909590A CN112909590A CN202110092023.XA CN202110092023A CN112909590A CN 112909590 A CN112909590 A CN 112909590A CN 202110092023 A CN202110092023 A CN 202110092023A CN 112909590 A CN112909590 A CN 112909590A
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
Abstract
The invention discloses an electric power grounding pile and an operation method thereof. Has the advantages that: the invention utilizes the mutual matching of the resident structure and the stable structure, the interval difference between the holes and the ring plates is 30 degrees, and the holes and the ring plates are sequentially reduced by multiple times from top to bottom, so as to enhance the grabbing action force of the grabbing device on the ground, avoid the shaking action of the grabbing device under the action of external irresistible force factors and further avoid the grabbing device from being directly pulled out.
Description
The invention relates to a divisional application of an electric power grounding pile for electric power engineering, which has application date of 2019, 12 and 28 and application number of CN 201911305590.8.
Technical Field
The invention relates to the field of electric power grounding piles, in particular to an electric power grounding pile and an operation method thereof.
Background
Along with the comprehensive spreading of the power grid transformation project, the equipment is required to be provided with the grounding wire and the grounding pile to be connected with the ground before construction, so that the influence on the life safety of constructors in the construction process is avoided. However, after the grounding pile is deeply buried in the soil, the grounding pile is firmly connected with the soil through manual hammering, but the grounding pile is vertically hammered and connected, the joint of the grounding pile and the soil is vertically acted, so that the grounding pile is easy to be directly pulled out under the external shaking action, when the soil sac is polluted and contains corrosiveness during the process of burying the power grounding pile, the grounding pile is easy to be directly corroded, so that the loss of functionality is caused, and the grounding pile needs to be pulled out by a worker for further protection treatment, so that the process is complicated and is not easy to find in time,
disclosure of Invention
The invention aims to provide an electric power grounding pile and an operation method thereof, aiming at solving the defects that after the grounding pile is deeply buried in soil, the grounding pile is firmly connected with the soil through manual hammering, but because the grounding pile is vertically hammered and connected, the connection part of the grounding pile and the soil is vertically acted, the grounding pile is easy to pull out under the external shaking action, when a soil sac is polluted and has corrosivity during the period of burying the electric power grounding pile, the grounding pile is easy to be directly corroded, so that the functional loss is caused, a worker is required to pull out the grounding pile for further protection treatment, and the process is complicated and is not easy to find out in time.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an electric power ground connection stake and operation method, its structure includes upper cover plate, handrail, pile body, amplification grabbing device, pile head, the handrail is symmetry form and installs in upper cover plate outside surface and be connected through the electric welding, the pile body is installed in the upper cover plate lower surface and is connected through the electric welding is perpendicular, amplification grabbing device locates pile body inside portion and is connected through the electric welding, the pile head is installed in the pile body lower surface and is connected through the electric welding, amplification grabbing device includes the rotary rod, grab ground structure, stable structure, grab ground structure and locate the rotary rod surface and be connected through the registrate, grab ground structure is equipped with three and its inside wall and is connected through the electric welding with the rotary rod altogether, stable structure is equipped with three altogether and locates respectively and grab ground structure surface and be connected through the lock.
As a further scheme of the invention, the diameters of the stable structure and the ground grasping structure are sequentially reduced by multiples from top to bottom, so that the acting force of the amplification grasping device on the ground is increased.
As a further scheme of the invention, the ground grabbing structure comprises a fixed disk, slide rail rings, inner buckling grooves, a station mechanism and connecting rods, wherein the slide rail rings are arranged on the upper surface of the fixed disk and are of an integrated structure, the inner buckling grooves are provided with six and are respectively embedded on the surfaces of the slide rail rings in a uniform and equidistant manner, the station mechanism is provided with six and is respectively installed on the outer surface of the rotating rod in a uniform and equidistant manner, the inner side ends of the station mechanism are respectively connected with the rotating rod through the connecting rods, and the tail ends of the station mechanism are connected with a stable structure through electric welding, so that the ground grabbing force can be enhanced.
As a further scheme of the present invention, the premise mechanism includes a movable frame, a limiting spring, a movable plate, a ground insertion rod and a buckle rod, wherein the outermost end of the movable frame is connected to the stable structure through electric welding, the movable plate is disposed inside the movable frame, the upper portion of the movable frame is connected to the movable frame through the limiting spring, the ground insertion rod is mounted on the right side of the lower surface of the movable plate and vertically connected to the movable frame through electric welding, the ground insertion rod is mounted on the left side of the lower surface of the movable plate and vertically connected to the buckle rod through electric welding, and the buckle rod is disposed inside the slide rail ring and connected to the inner buckle groove through buckling, which is beneficial to expanding the contact area between the.
As a further scheme of the invention, the ground inserting rod comprises a mounting plate, an opening plate, a connecting spring plate and a pointed conical rod, wherein the opening plate is provided with six opening plates which are respectively arranged on the lower surface of the mounting plate in a uniform and equidistant manner and are connected through electric welding, the connecting spring plate is provided with six opening plates which are respectively arranged between the two opening plates and are connected through electric welding, the pointed conical rod is provided with a plurality of openings which are respectively arranged on the inner side walls of the opening plates in a uniform and equidistant manner, the pointed conical rod is connected with the opening plates through electric welding, the enlargement of the cross section area of the grabbing device and the ground is facilitated, and the phenomenon that when the soil is corrosive is avoided, the electric wires in the ground are easily and directly corroded.
As a further scheme of the invention, the stabilizing structure comprises a ring plate, six limiting plates, a sliding chute and holes, wherein the six limiting plates are uniformly and equidistantly arranged on the inner side surface of the ring plate, the limiting plates are connected with the movable frame through electric welding, the sliding chute is arranged on the inner lower side of the ring plate and is of an integrated structure, and the six holes are uniformly and equidistantly arranged on the surface of the ring plate and are integrated, so that the equipment can be easily grabbed, and the phenomenon that the equipment is easily pulled out or shakes under the action of external irresistible force factors is avoided.
As a further scheme of the invention, the difference between the inner holes of the two stable structures is 30 degrees, which is beneficial to enhancing the ground gripping acting force of the amplification gripping device.
Advantageous effects of the invention
Compared with the traditional electric power grounding pile and the operation method thereof, the invention has the following beneficial effects:
the invention utilizes the mutual matching of the existing station structure and the stable structure, the interval difference between the holes and the ring plates is 30 degrees, and the holes and the ring plates are sequentially decreased by multiple times from top to bottom, so as to enhance and amplify the grabbing acting force of the grabbing device on the ground, avoid the shaking action under the action of external force factors and further be easy to be directly pulled out.
The invention utilizes the mutual matching of the existing resident mechanism and the ground inserting rod, thereby enlarging the contact area and the friction acting force between the amplification gripping device and the ground and avoiding the phenomenon that the electric wire in the amplification gripping device is easily and directly corroded and the contact acting force between the electric wire and the soil when the soil is corrosive.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.
In the drawings:
fig. 1 is a schematic structural diagram of an electric power grounding pile and an operation method thereof according to the present invention.
FIG. 2 is a schematic diagram of the internal top view of the amplification grasping apparatus according to the present invention.
Fig. 3 is a schematic top view of the grip structure of the present invention.
Fig. 4 is a front view of a premise mechanism of the present invention.
FIG. 5 is a schematic front view of the ground inserting rod of the present invention.
FIG. 6 is a bottom view of the securing structure of the present invention.
In the figure: the pile comprises an upper cover plate-1, an armrest-2, a pile body-3, an amplification grabbing device-4, a pile head-5, a rotating rod-4 a, a ground grabbing structure-4 b, a stabilizing structure-4 c, a fixed disk-4 b1, a sliding rail ring-4 b2, an inner buckle groove-4 b3, a resident mechanism-4 b4, a connecting rod-4 b5, a movable frame-4 b41, a limiting spring-4 b42, a movable plate-4 b43, a ground inserting rod-4 b44, a buckle rod-4 b45, a mounting plate-g 1, an opening plate-g 2, a connecting spring plate-g 3, a pointed cone rod-g 4, a ring plate-4 c1, a limiting plate-4 c2, a sliding groove-4 c3 and a hole-4 c 4.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment:
as shown in fig. 1, 2, 3 and 6, the present invention provides a technical solution of an electric power grounding pile and an operation method thereof:
as shown in figures 1-2, the structure of the electric grounding pile comprises an upper cover plate 1, a handrail 2, a pile body 3, an amplification gripping device 4 and a pile head 5, the handrails 2 are symmetrically arranged on the outer side surface of the upper cover plate 1 and are connected through electric welding, the pile bodies 3 are arranged on the lower surface of the upper cover plate 1 and are vertically connected through electric welding, the amplification grabbing device 4 is arranged at the inner side part of the pile body 3 and is connected with the pile body by electric welding, the pile head 5 is arranged on the lower surface of the pile body 3 and is connected with the pile body by electric welding, the amplification grasping device 4 comprises a rotating rod 4a, a grasping structure 4b and a stabilizing structure 4c, the ground grabbing structures 4b are arranged on the outer surface of the rotating rod 4a and connected through sleeving, the ground grabbing structures 4b are totally three, the inner side walls of the ground grabbing structures are connected with the rotating rod 4a through electric welding, the stable structures 4c are provided with three and are respectively arranged on the outer surface of the ground grabbing structure 4b and are connected through buckling.
As shown in fig. 2, the diameters of the stabilizing structure 4c and the ground grasping structure 4b are sequentially decreased by multiple from top to bottom, which is beneficial to increasing the acting force of the amplification grasping device on the ground.
As shown in fig. 3, the ground grabbing structure 4b includes a fixed disk 4b1, a sliding rail ring 4b2, an inner buckle groove 4b3, a premise mechanism 4b4 and a connecting rod 4b5, the sliding rail ring 4b2 is disposed on the upper surface of the fixed disk 4b1 and is an integrated structure, the inner buckle groove 4b3 is provided with six parts and is embedded on the surface of the sliding rail ring 4b2 in an even and equidistant manner, the premise mechanism 4b4 is provided with six parts and is installed on the outer surface of the rotating rod 4a in an even and equidistant manner, the inner side end of the premise mechanism 4b4 is connected with the rotating rod 4a through the connecting rod 4b5, and the tail end of the premise mechanism 4b4 is connected with the stable structure 4c through electric welding, which is beneficial to realizing enhancement of ground.
As shown in fig. 6, the stable structure 4c includes a ring plate 4c1, a limit plate 4c2, a sliding slot 4c3, and a hole 4c4, the limit plate 4c2 is provided with six blocks which are respectively installed on the inner side surface of the ring plate 4c1 in a uniform and equidistant manner, the limit plate 4c2 is connected with the movable frame 4b41 by electric welding, the sliding slot 4c3 is installed on the inner lower side of the ring plate 4c1 and is of an integrated structure, the hole 4c4 is provided with six blocks which are respectively installed on the surface of the ring plate 4c1 in a uniform and equidistant manner and are integrated, thereby facilitating the ground-grasping effect of the device, and avoiding easy pulling-out or shaking under the effect of external force factors.
As shown in FIG. 6, the internal holes 4c4 of the two stabilizing structures 4c are at an angle of 30 degrees, which is beneficial to enhancing the gripping force of the amplification gripping device.
In conclusion, the grounding pile is prevented from being easily pulled out through the cooperation of the provided stabilizing structure 4c and the ground grabbing structure 4b, and the current leading is unfavorable, so that the peripheral electric power leakage phenomenon occurs.
The specific realization principle is as follows: after the whole equipment penetrates through the ground, because the rotating rod 4a is connected with the upper cover plate 1, under the action of anticlockwise rotation of the hexagonal wrench, the station mechanism 4b4 rotates, the buckling rod 4b45 is buckled and fixed with the inner buckling groove 4b3 when the equipment rotates to the inner buckling groove, the ground inserting rod 4b44 at the other end extends out of the annular plate 4c1 through the hole 4c4 to be contacted with the soil, and because the difference of the gaps of the holes 4c4 between the stable structures 4c is 30 degrees, the ground inserting rods are sequentially decreased in multiples from top to bottom, when the ground inserting rod 4b44 is contacted with the ground, the ground grabbing acting force of the ground and the soil is effectively enhanced.
This embodiment is in order to solve after the ground connection stake buries the soil deeply, it makes ground connection stake and soil fastening's connection through artifical hammering, but because of it is the connection of beating perpendicularly, its junction with soil is the vertical action, then it has more easily to appear under external effect of rocking, by direct extraction, so utilize the mutually supporting of the structure of dwelling that is equipped with and stable structure, through the hole, its interval difference between each other of crown plate is 30, and be descending that there is the multiple in proper order from top to bottom, so as to realize strengthening the snatching effort of amplifing grabbing device to ground, avoid it to appear rocking the effect under the effect of the unable power factor of external world, and then directly extract.
Second embodiment:
as shown in fig. 1, 2, 4 and 5, the present invention provides a technical solution of an electric power grounding pile and an operation method thereof:
as shown in figures 1-2, the structure of the electric grounding pile comprises an upper cover plate 1, a handrail 2, a pile body 3, an amplification gripping device 4 and a pile head 5, the handrails 2 are symmetrically arranged on the outer side surface of the upper cover plate 1 and are connected through electric welding, the pile bodies 3 are arranged on the lower surface of the upper cover plate 1 and are vertically connected through electric welding, the amplification grabbing device 4 is arranged at the inner side part of the pile body 3 and is connected with the pile body by electric welding, the pile head 5 is arranged on the lower surface of the pile body 3 and is connected with the pile body by electric welding, the amplification grasping device 4 comprises a rotating rod 4a, a grasping structure 4b and a stabilizing structure 4c, the ground grabbing structures 4b are arranged on the outer surface of the rotating rod 4a and connected through sleeving, the ground grabbing structures 4b are totally three, the inner side walls of the ground grabbing structures are connected with the rotating rod 4a through electric welding, the stable structures 4c are provided with three and are respectively arranged on the outer surface of the ground grabbing structure 4b and are connected through buckling.
As shown in fig. 4, the premise equipment 4b4 includes a movable frame 4b41, a position limiting spring 4b42, a movable plate 4b43, a ground inserting rod 4b44, and a fastening rod 4b45, the outermost end of the movable frame 4b41 is connected to the stable structure 4c by electric welding, the movable plate 4b43 is disposed inside the movable frame 4b41 and the upper portion thereof is connected to the movable frame 4b41 through the position limiting spring 4b42, the ground inserting rod 4b44 is mounted on the right side of the lower surface of the movable plate 4b43 and is vertically connected to the lower surface of the movable plate 4b 5838 by electric welding, the ground inserting rod 4b44 is mounted on the left side of the lower surface of the fastening rod 4b43 and is vertically connected to the lower surface of the movable plate 4b43 by electric welding, the fastening rod 4b45 is disposed inside the sliding rail ring 4b2 and is connected to the inner fastening groove 4b 8.
As shown in fig. 5, the pole 4b44 of inserting ground includes mounting panel g1, open-close board g2, connection spring board g3, pointed cone pole g4, open-close board g2 is equipped with six pieces altogether and is even equidistance form respectively and installs in mounting panel g1 lower surface and be connected through the electric welding, connection spring board g3 is equipped with six pieces altogether and installs respectively between two open-close boards g2 and be connected through the electric welding, pointed cone pole g4 is equipped with a plurality of roots and is even equidistance form respectively and installs in open-close board g2 inside wall, pointed cone pole g4 is connected through the electric welding with open-close board g2, is favorable to realizing increaseing the cross sectional area who enlarges grabbing device and ground, avoids appearing when having when soil corrosivity, its inside electric wire easily directly corroded.
In summary, the ground inserting rod 4b44 and the station mechanism 4b4 are matched with each other, so that the contact area between the equipment and the soil and the friction action between the equipment and the soil are increased, and the phenomenon that the equipment is easily corroded is avoided.
The specific realization principle is as follows: after the ground inserting rod 4b44 passes through the hole 4c4, the opening plate g2 moves outwards in a spreading mode under the action of downward force and is in contact with soil, after the opening plate g2 completely passes through the hole 4c4, the pointed cone rod g4 on the inner side wall of the opening plate g2 is in direct contact with the soil under the action of force, so that the grabbing action force with the ground is enlarged, the action force between the opened plate g2 and the soil is effectively enhanced, when the soil contains corrosivity, the increase of the sectional area of the opened plate g2 effectively relieves the corrosion time, and the worker can be protected in time.
This embodiment is polluted and when containing corrosivity when solving when the soil pocket is burying electric power ground stake, ground stake then is easily directly corroded, thereby lead to appearing functional loss, and need the staff to extract it and do further protection processing, its process is comparatively loaded down with trivial details and be difficult for timely discovery, so utilize the station mechanism that is equipped with and insert mutually supporting of ground pole, thereby increase the area of contact and the frictional force of amplification grabbing device and ground, avoid appearing when soil has corrosivity, its inside electric wire is easily directly corroded and with the contact force of soil.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an electric power ground connection stake that electric power engineering used with interior expanding increases friction, its structure includes upper cover plate (1), handrail (2), pile body (3), augmentation grabbing device (4), pile head (5), its characterized in that: the handrail (2) is symmetrically arranged on the outer side surface of the upper cover plate (1) and is connected through electric welding, the pile body (3) is arranged on the lower surface of the upper cover plate (1) and is vertically connected through electric welding, the amplification grabbing device (4) is arranged on the inner side part of the pile body (3) and is connected through electric welding, and the pile head (5) is arranged on the lower surface of the pile body (3) and is connected through electric welding;
the amplification grabbing device (4) comprises a rotating rod (4a), ground grabbing structures (4b) and stable structures (4c), wherein the ground grabbing structures (4b) are arranged on the outer surface of the rotating rod (4a) and are connected through sleeving, the number of the ground grabbing structures (4b) is three, the inner side walls of the ground grabbing structures are connected with the rotating rod (4a) through electric welding, and the number of the stable structures (4c) is three, and the three stable structures are respectively arranged on the outer surface of the ground grabbing structures (4b) and are connected through buckling;
the diameters of the stable structure (4c) and the ground grabbing structure (4b) are sequentially decreased by multiples from top to bottom respectively.
2. An electric ground pile for electric power engineering with enlarged internal friction according to claim 1, characterized in that: grab ground structure (4b) and include fixed disk (4b1), slide rail ring (4b2), interior catching groove (4b3), residence mechanism (4b4), connecting rod (4b5), slide rail ring (4b2) are located fixed disk (4b1) upper surface and are the integrated structure, interior catching groove (4b3) are equipped with six altogether and are even equidistance form respectively and inlay in slide rail ring (4b2) surface, residence mechanism (4b4) are equipped with six altogether and are even equidistance form respectively and install in rotary rod (4a) surface, residence mechanism (4b4) medial extremity is connected with rotary rod (4a) through connecting rod (4b5) respectively, residence mechanism (4b4) end is connected through the electric welding with stable structure (4 c).
3. An electric ground pile for electric power engineering with enlarged internal friction according to claim 2, characterized in that: the station mechanism (4b4) comprises a movable frame (4b41), a limiting spring (4b42), a movable plate (4b43), a ground inserting rod (4b44) and a buckling rod (4b45), wherein the outermost side end of the movable frame (4b41) is connected with a stable structure (4c) through electric welding, the movable plate (4b43) is arranged on the inner side of the movable frame (4b41), the upper portion of the movable frame is connected with the movable frame (4b41) through the limiting spring (4b42), the ground inserting rod (4b44) is arranged on the right side of the lower surface of the movable plate (4b43) and is vertically connected through electric welding, the ground inserting rod (4b44) is connected with the buckling rod (4b45) on the left side of the lower surface of the movable plate (4b43) and is vertically connected with an inner buckling groove (4b3) through electric welding, and the buckling rod (4b45) is arranged on the inner side of a sliding rail ring (4b 63.
4. An electric ground pile for electric power engineering with enlarged internal friction according to claim 3, characterized in that: insert ground pole (4b44) including mounting panel (g1), open-close board (g2), connecting spring board (g3), pointed cone pole (g4), open-close board (g2) are equipped with six pieces altogether and are even equidistance form respectively and install in mounting panel (g1) lower surface and be connected through the electric welding, connecting spring board (g3) are equipped with six pieces altogether and install respectively between two open-close boards (g2) and be connected through the electric welding, pointed cone pole (g4) are equipped with a plurality of roots and are even equidistance form respectively and install in open-close board (g2) inside wall, pointed cone pole (g4) are connected through the electric welding with open-close board (g 2).
5. An electric power grounding pile for electric power engineering with enlarged internal friction according to claim 1 or 2, characterized in that: firm structure (4c) include crown plate (4c1), limiting plate (4c2), spout (4c3), hole (4c4), limiting plate (4c2) are equipped with six pieces altogether and are even equidistance form respectively and install in crown plate (4c1) inboard surface, limiting plate (4c2) are connected through the electric welding with activity frame (4b41), downside and as an organic whole structure in crown plate (4c1) are located in spout (4c3), hole (4c4) are equipped with six altogether and are even equidistance form respectively and locate crown plate (4c1) surface and be the integral structure.
6. An electric power grounding pile and method of operating same as claimed in any one of claims 1 to 5 wherein:
after the ground inserting rod (4b44) passes through the hole (4c4), the opening plate (g2) moves outwards in a spreading mode under the action of downward force and is in contact with soil, after the opening plate completely passes through the hole (4c4), the pointed conical rod (g4) on the inner side wall of the opening plate (g2) is in direct contact with the soil under the action of force, so that the grabbing action force with the ground is enlarged, the action force between the opening plate and the soil is effectively enhanced, when the soil contains corrosivity, the increase of the sectional area effectively relieves the corrosion duration, and therefore workers can timely protect the opening plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110092023.XA CN112909590B (en) | 2019-12-18 | 2019-12-18 | Electric power grounding pile and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110092023.XA CN112909590B (en) | 2019-12-18 | 2019-12-18 | Electric power grounding pile and operation method thereof |
| CN201911305590.8A CN111048918B (en) | 2019-12-18 | 2019-12-18 | Electric power grounding pile for electric power engineering with internal expansion and friction increase |
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| CN201911305590.8A Division CN111048918B (en) | 2019-12-18 | 2019-12-18 | Electric power grounding pile for electric power engineering with internal expansion and friction increase |
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| CN112909590A true CN112909590A (en) | 2021-06-04 |
| CN112909590B CN112909590B (en) | 2022-10-25 |
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|---|---|---|---|---|
| GB945440A (en) * | 1961-06-01 | 1963-12-23 | William Arvon Wales | A tool for driving earthing rods and like components into the ground |
| CN105870651A (en) * | 2016-06-01 | 2016-08-17 | 国家电网公司 | Power earthing device |
| CN207368253U (en) * | 2017-09-12 | 2018-05-15 | 李龙 | A kind of power grounding pile of power engineering |
| CN207320351U (en) * | 2017-10-09 | 2018-05-04 | 宁夏荣邦电力工程有限公司 | A kind of power circuit earthing or grounding means |
| CN108808273A (en) * | 2018-07-16 | 2018-11-13 | 盐城工业职业技术学院 | A kind of power equipment earthing or grounding means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111048918B (en) | 2021-04-13 |
| CN112909590B (en) | 2022-10-25 |
| CN111048918A (en) | 2020-04-21 |
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Effective date of registration: 20221012 Address after: No. 137, Dongxin'an Street, Dong'an District, Mudanjiang City, Heilongjiang Province 157005 Applicant after: MUDANJIANG HYDRAULIC ELECTROGENERATING TOTAL FACTORY OF HEILONGJIANG POWER COMPANY OF THE STATE GRID Applicant after: STATE GRID CORPORATION OF CHINA Address before: No. 19 Shiling Street, Huian County, Quanzhou City, Fujian Province Applicant before: Huang Jie |