CN114156668B - Novel grounding device with adjustable connector angle - Google Patents
Novel grounding device with adjustable connector angle Download PDFInfo
- Publication number
- CN114156668B CN114156668B CN202111481842.XA CN202111481842A CN114156668B CN 114156668 B CN114156668 B CN 114156668B CN 202111481842 A CN202111481842 A CN 202111481842A CN 114156668 B CN114156668 B CN 114156668B
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- CN
- China
- Prior art keywords
- metal
- angle
- connector
- rod
- insulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002184 metal Substances 0.000 claims abstract description 59
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000000670 limiting effect Effects 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Electric Cable Installation (AREA)
Abstract
The invention discloses a novel grounding device with an adjustable connector angle, which comprises an insulating operation rod, a metal connector and a grounding copper wire, wherein the angle adjusting piece comprises a rotating seat fixed at the bottom end of the metal connector, a square channel is formed in the center of the insulating operation rod, angle adjusting grooves are symmetrically formed in the top of the square channel, the rotating seat penetrates through the angle adjusting grooves and is fixed at the center of the top of the square channel through a rotating shaft, a gear is fixed on the rotating shaft, a screw rod is rotatably connected to the center of the bottom of the square channel, a rotating handle connected with the screw rod is rotatably connected to the bottom end of the insulating operation rod, and a square sliding block sliding inside the square channel is connected to the screw rod in a meshed mode. The invention has novel structure and ingenious conception, properly adjusts the working angle of the metal connector, is more convenient to use, and solves the defect that the metal connector can only be installed on a framework or an insulating ladder when being grounded in some high-place inclined and vertical conductors.
Description
Technical Field
The invention relates to the technical field of grounding devices, in particular to a novel grounding device with an adjustable connector angle.
Background
The grounding device is a generic term for a ground electrode buried under the ground and a connecting wire from the ground electrode to the equipment.
The traditional grounding device consists of a metal connector, an insulating rod and a grounding copper wire, wherein one end of the copper wire is grounded, and the other end of the copper wire is connected with a conductor through the metal connector. However, because the installation angle of the transformer substation conductor is not fixed, but the angle between the traditional metal connector and the insulating rod is not adjustable, the grounding operation of some high-place inclined and vertical conductors is inconvenient, operators on duty generally adopt to stand on a framework or stand on an insulating ladder for installation, and the efficiency is low and unsafe. Therefore, it is necessary to design a novel grounding device with an adjustable connector angle.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the novel grounding device with the adjustable connector angle, which is novel in structure, ingenious in conception and more convenient to use, and the working angle of the metal connector is properly adjusted, so that the defect that the grounding operation of some high-position inclined and vertical conductors can only be carried out by standing on a framework or an insulating ladder is overcome.
In order to achieve the above purpose, the present invention provides the following technical solutions: the novel grounding device with the adjustable connector angle comprises an insulating operation rod, a metal connector and a grounding copper wire, wherein the top of the insulating operation rod is movably connected with the metal connector, the grounding copper wire is arranged on one side of the metal connector, and the top end of the insulating operation rod is connected with the metal connector through an angle adjusting piece;
the angle adjusting piece is fixed with the roating seat including fixing in the metal joint bottom, square passageway has been seted up to insulating action bars's center department, angle adjustment groove has been seted up to square passageway's top symmetry, the roating seat passes angle adjustment groove and fixes the top center department at square passageway through the pivot, be fixed with the gear in the pivot, square passageway's bottom center department rotates and is connected with the lead screw, insulating action bars's bottom connects soon to be fixed with the knob of being connected with the lead screw, the meshing is connected with the square slider of slip inside square passageway on the lead screw, the montant is installed at square slider's top, be provided with the rack of being connected with the gear engagement on the montant.
Preferably, limiting blocks are arranged at two ends of the vertical rod, which are positioned on the racks.
Preferably, the metal connector comprises a metal shell, a fixed chuck, a movable chuck, a supporting spring, a chute, a pull rope and a pull ring;
the fixed chuck is installed on one side of the top of the metal shell, a sliding groove is formed in the metal shell and located below the fixed chuck, a movable chuck is connected to the sliding groove in a sliding mode, the movable chuck is connected with the inner wall of the metal shell through a supporting spring, a pull rope penetrating through the metal shell is installed on the movable chuck, and a pull ring is connected to the tail end of the pull rope.
Preferably, the movable clamping head is provided with a through limiting hole, and a limiting rod arranged in the metal shell penetrates through the limiting hole.
Preferably, the stay cord is sleeved with a plurality of limiting rings, and the limiting rings are equidistantly arranged on the outer wall of the insulating operation rod.
Preferably, a wiring pile is installed at the back center of the metal connector, a grounding copper wire is fixedly inserted into the wiring pile, and a tightening screw is fixedly screwed on the wiring pile.
The beneficial effects of the invention are as follows:
1. the working angle of the metal connector is properly adjusted, so that the use is more convenient, and the defect that the metal connector can only be installed on a framework or an insulating ladder when being grounded for some high-place inclined and vertical conductors is overcome;
2. the pull ring is pulled, the movable chuck is driven to move downwards through the pull rope, so that the supporting spring is stressed and compressed, and then the pull ring is loosened, so that the tight connection with an object can be realized under the reverse acting force of the supporting spring, and the grounding effect of the object is ensured;
3. the limiting rod and the limiting hole are arranged to limit the movement of the movable clamp, so that the stability of the movement of the movable clamp is ensured;
4. the top end of the grounding copper wire is inserted into the wiring pile, and the tightening screw is screwed, so that the grounding copper wire is convenient to install and detach.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall planar structure of the present invention;
FIG. 2 is a schematic plan view of an angle adjuster according to the present invention;
FIG. 3 is a schematic cross-sectional plan view of a metal joint according to the present invention;
reference numerals in the drawings: 1. an insulating operation rod; 2. a metal joint; 3. a grounded copper wire; 4. wiring piles; 5. tightly pushing the screw; 6. an angle adjusting member; 7. a limiting ring; 8. a rotary handle; 9. square channels; 10. a screw rod; 11. square slide block; 12. a vertical rod; 13. an angle adjusting groove; 14. a rack; 15. a limiting block; 16. a rotating seat; 17. a gear; 18. a rotating shaft; 19. a metal housing; 20. a fixed chuck; 21. a movable chuck; 22. a support spring; 23. a chute; 24. a pull rope; 25. a pull ring; 26. a limit rod; 27. and a limiting hole.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the prior art, the angle between the metal connector and the insulating rod is not adjustable, so that the grounding operation of some high-place inclined and vertical conductors is inconvenient, operators on duty generally adopt to stand on a framework or stand on an insulating ladder for installation, and the efficiency is low and the safety is also not ensured.
Example 1
The invention provides the following technical scheme as shown in fig. 1 and 2: the utility model provides a novel earthing device with adjustable connector angle, including insulating action bars 1, metal joint 2 and ground connection copper line 3, the top swing joint of insulating action bars 1 has metal joint 2, the ground connection copper line 3 is installed to one side of metal joint 2, the top of insulating action bars 1 is connected with metal joint 2 through angle adjustment spare 6, angle adjustment spare 6 is including fixing being fixed with rotary seat 16 in metal joint 2 bottom, square passageway 9 has been seted up in the center department of insulating action bars 1, angle adjustment groove 13 has been seted up to the top symmetry of square passageway 9, rotary seat 16 passes angle adjustment groove 13 and fixes in square passageway 9's top center department through pivot 18, be fixed with gear 17 in the pivot 18, square passageway 9's bottom center department rotation is connected with lead screw 10, the bottom of insulating action bars 1 is connected with the knob 8 of being connected with lead screw 10 soon, the meshing on lead screw 10 is connected with the square slider 11 of slip inside square passageway 9, square slider 11's top is installed 12, be provided with the rack 14 of being connected with gear 17 meshing, through rotating knob 8, thereby drive lead screw 10 rotation, thereby drive slider 11 in the inside of square passageway 9 and drive rack bar 14 through the rotation of rack 17, thereby the top of the inside the square passageway is driven at the inside the square passageway is connected with the top of the metal joint 2, the top of the frame is realized at the top of the metal joint 2, the proper angle is adjusted through the top of the vertical joint, the top of the metal joint is realized, the top of the conductor is convenient, the top is adjusted to be convenient for the top to be installed at the top to the metal joint station, the top of the metal joint is convenient, the top station is connected with the top-down, and the top station of the top floor, and is convenient to be adjusted.
Preferably, limiting blocks 15 are arranged on the vertical rod 12 and positioned at two ends of the rack 14, and have a limiting effect on the movement of the rack 14, so that the rack 14 is prevented from being separated from the gear 17.
Example two
In the first embodiment, the clamping operation is inconvenient, referring to fig. 1 and 3, as another preferred embodiment, the difference from the first embodiment is that the metal connector 2 comprises a metal shell 19, a fixed chuck 20, a movable chuck 21, a supporting spring 22, a chute 23, a pull rope 24 and a pull ring 25, the fixed chuck 20 is installed on one side of the top of the metal shell 19, the chute 23 is arranged below the fixed chuck 20 on the metal shell 19, the movable chuck 21 is slidably connected in the chute 23, the movable chuck 21 is connected with the inner wall of the metal shell 19 through the supporting spring 22, the pull rope 24 penetrating through the metal shell 19 is installed on the movable chuck 21, the pull ring 25 is connected at the tail end of the pull rope 24, the pull ring 25 is pulled, the movable chuck 21 is driven to move downwards through the pull rope 24, so that the supporting spring 22 is stressed to compress, and then the pull ring 25 is released, under the reverse acting force of the supporting spring 22, the tight connection with an object can be realized, and the grounding effect of the object is ensured.
Preferably, a through limiting hole 27 is formed in the movable clamp 21, a limiting rod 26 installed in the metal shell 19 penetrates through the limiting hole 27, and the limiting rod 26 and the limiting hole 27 are used for limiting movement of the movable clamp 21, so that stability of movement of the movable clamp 21 is guaranteed.
Preferably, the stay cord 24 is sleeved with a plurality of limiting rings 7, and the limiting rings 7 are equidistantly arranged on the outer wall of the insulating operating rod 1 to limit the stay cord 24.
Example III
In the first embodiment, the installation and the disassembly of the grounding copper wire 3 are inconvenient, referring to fig. 1, and the difference between the first embodiment and the second embodiment is that a wiring pile 4 is installed at the center of the back of the metal joint 2, the grounding copper wire 3 is fixedly inserted into the wiring pile 4, a tightening screw 5 is fixedly screwed on the wiring pile 4, the top end of the grounding copper wire 3 is inserted into the inside of the wiring pile 4, and the tightening screw 5 is screwed, so that the installation and the disassembly of the grounding copper wire 3 are convenient.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Novel earthing device with adjustable connector angle, its characterized in that: including insulating action bars (1), metal joint (2) and ground connection copper line (3), the top swing joint of insulating action bars (1) has metal joint (2), ground connection copper line (3) are installed to one side of metal joint (2), its characterized in that: the top end of the insulating operating rod (1) is connected with the metal joint (2) through an angle adjusting piece (6);
the angle adjusting piece (6) comprises a rotating seat (16) fixed at the bottom end of the metal joint (2), a square channel (9) is formed in the center of the insulating operation rod (1), angle adjusting grooves (13) are symmetrically formed in the top of the square channel (9), the rotating seat (16) penetrates through the angle adjusting grooves (13) and is fixed at the center of the top of the square channel (9) through a rotating shaft (18), a gear (17) is fixed on the rotating shaft (18), a screw rod (10) is rotationally connected to the center of the bottom of the square channel (9), a rotating handle (8) connected with the screw rod (10) is rotationally connected to the bottom end of the insulating operation rod (1), square sliding blocks (11) sliding in the square channel (9) are connected to the screw rod (10) in a meshed mode, vertical rods (12) are installed at the top of the square sliding blocks (11), and racks (14) meshed with the gear (17) are arranged on the vertical rods (12).
Limiting blocks (15) are arranged at two ends of the vertical rod (12) located at the rack (14).
2. The novel connector angle-adjustable grounding device according to claim 1, wherein: the metal connector (2) comprises a metal shell (19), a fixed chuck (20), a movable chuck (21), a supporting spring (22), a chute (23), a pull rope (24) and a pull ring (25);
fixed chuck (20) are installed to top one side of metal casing (19), and spout (23) have been seted up to the below that is located fixed chuck (20) on metal casing (19), the inside sliding connection of spout (23) has movable chuck (21), movable chuck (21) are connected with the inner wall of metal casing (19) through supporting spring (22), install stay cord (24) that pass metal casing (19) on movable chuck (21), the tail end connection of stay cord (24) has pull ring (25).
3. The novel connector angle-adjustable grounding device according to claim 2, wherein: the movable clamping head (21) is provided with a through limiting hole (27), and a limiting rod (26) arranged in the metal shell (19) penetrates through the limiting hole (27).
4. The novel connector angle-adjustable grounding device according to claim 2, wherein: the stay cord (24) is sleeved with a plurality of limiting rings (7), and the limiting rings (7) are equidistantly arranged on the outer wall of the insulating operating rod (1).
5. The novel connector angle-adjustable grounding device according to claim 1, wherein: the metal connector is characterized in that a wiring pile (4) is installed at the center of the back of the metal connector (2), a grounding copper wire (3) is fixedly inserted into the wiring pile (4), and a tightening screw (5) is fixedly screwed on the wiring pile (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111481842.XA CN114156668B (en) | 2021-12-06 | 2021-12-06 | Novel grounding device with adjustable connector angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111481842.XA CN114156668B (en) | 2021-12-06 | 2021-12-06 | Novel grounding device with adjustable connector angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114156668A CN114156668A (en) | 2022-03-08 |
| CN114156668B true CN114156668B (en) | 2024-04-12 |
Family
ID=80452719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111481842.XA Active CN114156668B (en) | 2021-12-06 | 2021-12-06 | Novel grounding device with adjustable connector angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114156668B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017055498A (en) * | 2015-09-07 | 2017-03-16 | 中国電力株式会社 | Earth Hook |
| CN206116662U (en) * | 2016-09-01 | 2017-04-19 | 宁波天弘电力器具有限公司 | Adjustable anti -skidding uncoupling ground wire action bars |
| CN107359435A (en) * | 2017-07-28 | 2017-11-17 | 国网安徽省电力公司合肥供电公司 | A kind of transmission line of electricity split multi-angle formula grounding wire device |
| CN108448271A (en) * | 2018-03-23 | 2018-08-24 | 国网山西省电力公司忻州供电公司 | A kind of power transmission line ground wire convenient for conductor grip opening and closing and angular adjustment |
| CN207834609U (en) * | 2017-12-25 | 2018-09-07 | 海南梵思科技有限公司 | A kind of multi-angle grounding wire device |
| CN109980380A (en) * | 2019-03-28 | 2019-07-05 | 国网江苏省电力有限公司常州供电分公司 | Substation Electric Equipment overhauls conductor earthing device |
| CN209516060U (en) * | 2019-03-28 | 2019-10-18 | 国网江苏省电力有限公司常州供电分公司 | A kind of Substation Electric Equipment maintenance conductor earthing device |
| CN110474179A (en) * | 2019-07-19 | 2019-11-19 | 国网新疆电力有限公司奎屯供电公司 | A kind of variable-angle earthing clamp and its application method |
| CN111458656A (en) * | 2020-05-08 | 2020-07-28 | 陈泽 | Be applied to on-spot earth fault's of electric power insulating device |
| CN213151064U (en) * | 2020-10-28 | 2021-05-07 | 江苏茂林电力科技有限公司 | Grounding device for insulated conductor construction |
| CN213401570U (en) * | 2020-12-11 | 2021-06-08 | 袁梦苒 | Portable electric power construction earthing device |
| CN113471727A (en) * | 2021-07-23 | 2021-10-01 | 广东电网有限责任公司 | Grounding wire device |
| CN215008608U (en) * | 2021-06-01 | 2021-12-03 | 北京市轨道交通运营管理有限公司 | Triangular electricity testing grounding device for contact rail |
-
2021
- 2021-12-06 CN CN202111481842.XA patent/CN114156668B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017055498A (en) * | 2015-09-07 | 2017-03-16 | 中国電力株式会社 | Earth Hook |
| CN206116662U (en) * | 2016-09-01 | 2017-04-19 | 宁波天弘电力器具有限公司 | Adjustable anti -skidding uncoupling ground wire action bars |
| CN107359435A (en) * | 2017-07-28 | 2017-11-17 | 国网安徽省电力公司合肥供电公司 | A kind of transmission line of electricity split multi-angle formula grounding wire device |
| CN207834609U (en) * | 2017-12-25 | 2018-09-07 | 海南梵思科技有限公司 | A kind of multi-angle grounding wire device |
| CN108448271A (en) * | 2018-03-23 | 2018-08-24 | 国网山西省电力公司忻州供电公司 | A kind of power transmission line ground wire convenient for conductor grip opening and closing and angular adjustment |
| CN209516060U (en) * | 2019-03-28 | 2019-10-18 | 国网江苏省电力有限公司常州供电分公司 | A kind of Substation Electric Equipment maintenance conductor earthing device |
| CN109980380A (en) * | 2019-03-28 | 2019-07-05 | 国网江苏省电力有限公司常州供电分公司 | Substation Electric Equipment overhauls conductor earthing device |
| CN110474179A (en) * | 2019-07-19 | 2019-11-19 | 国网新疆电力有限公司奎屯供电公司 | A kind of variable-angle earthing clamp and its application method |
| CN111458656A (en) * | 2020-05-08 | 2020-07-28 | 陈泽 | Be applied to on-spot earth fault's of electric power insulating device |
| CN213151064U (en) * | 2020-10-28 | 2021-05-07 | 江苏茂林电力科技有限公司 | Grounding device for insulated conductor construction |
| CN213401570U (en) * | 2020-12-11 | 2021-06-08 | 袁梦苒 | Portable electric power construction earthing device |
| CN215008608U (en) * | 2021-06-01 | 2021-12-03 | 北京市轨道交通运营管理有限公司 | Triangular electricity testing grounding device for contact rail |
| CN113471727A (en) * | 2021-07-23 | 2021-10-01 | 广东电网有限责任公司 | Grounding wire device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114156668A (en) | 2022-03-08 |
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