CN108987955A - Earthing or grounding means connector based on overall process mechanized construction - Google Patents
Earthing or grounding means connector based on overall process mechanized construction Download PDFInfo
- Publication number
- CN108987955A CN108987955A CN201810551204.2A CN201810551204A CN108987955A CN 108987955 A CN108987955 A CN 108987955A CN 201810551204 A CN201810551204 A CN 201810551204A CN 108987955 A CN108987955 A CN 108987955A
- Authority
- CN
- China
- Prior art keywords
- connection
- link block
- outer tube
- threaded portion
- hole
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003780 insertion Methods 0.000 claims abstract description 15
- 230000037431 insertion Effects 0.000 claims abstract description 15
- 230000013011 mating Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 10
- 208000025274 Lightning injury Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002699 waste material Substances 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
- H01R4/28—Clamped connections, spring connections
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
- H01R4/5016—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone
- H01R4/5025—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone combined with a threaded ferrule operating in a direction parallel to the conductor
-
- 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
- H01R11/01—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 characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- 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
- H01R11/03—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 characterised by the relationship between the connecting locations
- H01R11/09—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 characterised by the relationship between the connecting locations the connecting locations being identical
-
- 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
Abstract
The present invention is based on the earthing or grounding means connectors of overall process mechanized construction, belong to overhead power line lightning protection and earthing or grounding means technical field；Technical problem to be solved is that bulky generator, electric welding machine are leaned in the connection of electric power line pole tower earthing or grounding means, the wasting of resources, dangerous；The technical solution of use are as follows: connect in the tapered blind hole on one end insertion link block threaded portion of inner tube, in the conical through-hole of other end insertion connection outer tube, connection outer tube is connect by internal screw thread with the threaded portion on link block, and the annular convex platform connected on outer tube is matched with the step in link block stage portion；The diameter for connecting one end in inner tube insertion link block threaded portion is greater than the diameter of the upper conical blind hole smaller diameter end in link block threaded portion；The diameter for connecting inner tube insertion connection outer tube one end is greater than the diameter of the connection upper conical through-hole smaller diameter end of outer tube；The present invention is used for fast and convenient connection electric power line pole tower earthing or grounding means.
Description
Technical field
The present invention is based on the earthing or grounding means connectors of overall process mechanized construction, belong to overhead power line lightning protection and connect
Ground engineering device technique field.
Background technique
Electric power line pole tower earthing or grounding means is important one of the lightning protection facility of power circuit, and major function is to lead to let out thunder and lightning
Ground is flowed into, lightning stroke trip is avoided to cause client's power failure.Electric power line pole tower earthing or grounding means includes under grounding body and grounding lead
Line.Grounding body is called earthing pole, and the form of grounding body is very more, and relatively common has horizontal grounding objects, Grounding Grids, level
The diversified forms such as vertical cartel and special grounding body.
Currently used construction method is that annular ground connection groove and radial pattern ground connection groove are excavated around shaft tower, then will
Ring earth electrode and the mode of horizontal grounding objects welding link together.Since electric power line pole tower is in mountain area, woods mostly
Between between gully, without any construction power supply, can only use electrical power generators that electric welding machine is driven to work.Generator and electric welding body
Long-pending big, weight weight generally requires more people in the handling process and carries, this is easier to reality in the flat country use of traffic convenience
It applies, but very big in mountain area and forest zone enforcement difficulty, waste of human resource is serious, and is welded construction and easily causes fire, needs
All kinds of fire prevention measures are equipped with, safe precaution measure is more, and it is big that operation field manages difficulty.
With the development of economy and society, power circuit mechanized construction has become the mainstream of engineering construction.Earthing or grounding means ditch
The mechanical equipments such as Special grounding excavator have been widely used in the excavation of slot, greatly improve working efficiency.Earthing or grounding means construction
Connection is using the realization of overall process mechanized construction of the status strong influences of cumbersome apparatus such as generator, electric welding machine.
Summary of the invention
The present invention overcomes the shortcomings of the prior art, and technical problem to be solved is electric power line pole tower earthing or grounding means
Connection lean on bulky generator, electric welding machine, it is the wasting of resources, dangerous.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: based on overall process mechanized construction
Earthing or grounding means connector, comprising: link block, connection inner tube and connection outer tube；
The structure of the link block is to connect radioactivity on block body to be fixed with multiple columned stage portions, each stage portion
On be coaxially fixed with a threaded portion, the one end connecting in the stage portion with threaded portion is provided with the step to contract,
External screw thread is provided on the threaded portion, and its axial direction is provided with the small tapered blind hole of outer imperial palace；
Connection inner tube double end taper thick for the detail of both ends between, axial direction are provided with circular through hole, equal on the tube body at both ends
It is provided with multiple axial shrinkage seams；
It is provided with axial conical through-hole on the connection outer tube, is also provided with and link block screw thread in one end of conical through-hole major diameter
The adaptable internal thread hole of external screw thread in portion, an and circle annular convex platform is provided on its end face, the annular convex platform with connect
Step in block stage portion is adapted；
The quantity for connecting inner tube and connecting outer tube is identical as the quantity of stage portion in link block and corresponds mating connection；
In tapered blind hole on one end insertion link block threaded portion of the connection inner tube, the taper of other end insertion connection outer tube
In through-hole, connection outer tube is connect by internal screw thread with the threaded portion on link block, connects annular convex platform and link block on outer tube
Step in stage portion matches；
It is small straight that the diameter of one end in the connection inner tube insertion link block threaded portion is greater than the upper conical blind hole in link block threaded portion
The diameter at diameter end；The diameter for connecting inner tube insertion connection outer tube one end is greater than the straight of the connection upper conical through-hole smaller diameter end of outer tube
Diameter.
The quantity of stage portion is 2 in the link block, or is 3, or is 4, or is 5, or is 6, or is 7
It is a, or be 8, it is 2 that the quantity of the connection inner tube and connection outer tube, which is also adapted, or is 3, or is 4, or is 5
It is a, or be 6, or be 7, or be 8.
The hexagon section for thering is one section of convenient wrench to clamp in the shape of the connection outer tube.
The hexagon section with the clamping of one section of convenient wrench in the shape of ontology or stage portion is connected in the link block.
The present invention has the advantages that compared with prior art.
The configuration of the present invention is simple, versatile, only need to carry common spanner can be realized any form for installation at the scene
The connection of earthing or grounding means, the overall principle meet: " uniformity, adaptability, flexibility, advance, reliability, economy " is wanted
It asks, has eliminated generator, the electric welding machine of heavy danger, safe and efficient, green low-carbon.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram of link block in the embodiment of the present invention one.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention two.
Fig. 4 is the structural schematic diagram of link block in the embodiment of the present invention two.
Fig. 5 is the structural schematic diagram of the embodiment of the present invention three.
Fig. 6 is the structural schematic diagram of link block in the embodiment of the present invention three.
Fig. 7 is the structural schematic diagram of the embodiment of the present invention four.
Fig. 8 is the structural schematic diagram of link block in the embodiment of the present invention four.
Fig. 9 is the structural schematic diagram that inner tube is connected in the present invention.
Figure 10 is the left view of Fig. 9.
Figure 11 is the structural schematic diagram that outer tube is connected in the present invention.
Figure 12 is the right view of Figure 11.
In figure: 1 is link block, and 2 be connection inner tube, and 3 be connection outer tube, and 4 be connection block body, and 5 be stage portion, and 6 be spiral shell
Line portion, 7 be step, and 8 be tapered blind hole, and 9 be circular through hole, and 10 be shrinkage joint, and 11 be conical through-hole, and 12 be internal thread hole, 13
It is grounding body for annular convex platform, 14.
Specific embodiment
Embodiment one
As shown in Figure 1, Figure 2, shown in Fig. 9-Figure 12, the present invention is based on the earthing or grounding means connectors of overall process mechanized construction, comprising:
Link block 1, connection inner tube 2 and connection outer tube 3；
The structure of the link block 1 is to connect radioactivity on block body 4 to be fixed with 2 columned stage portions 5, each step
A threaded portion 6 is coaxially fixed in portion 5, the one end connecting in the stage portion 5 with threaded portion 6 is provided with to contract
Step 7 is provided with external screw thread on the threaded portion 6, and its axial direction is provided with the small tapered blind hole 8 of outer imperial palace；
The connection inner tube 2 double end taper thick between the detail of both ends, axial direction are provided with circular through hole 9, on the tube body at both ends
It is provided with multiple axial shrinkage seams 10；
It is provided with axial conical through-hole 11 on the connection outer tube 3, is also provided with and connects in one end of 11 major diameter of conical through-hole
The internal thread hole 12 that external screw thread on 1 threaded portion 6 of block is adapted, and a circle annular convex platform 13, the ring are provided on its end face
Step 7 on shape boss 13 and 1 stage portion 5 of link block is adapted；
The quantity for connecting inner tube 2 and connecting outer tube 3 is identical as the quantity of stage portion 5 in link block 1 and corresponds mating
Connection；
In tapered blind hole 8 on one end insertion 1 threaded portion 6 of link block of the connection inner tube 2, other end insertion connection outer tube 3
Conical through-hole 11 in, connection outer tube 3 is connect by internal screw thread with the threaded portion 6 on link block 1, the annular on connection outer tube 3
Boss 13 is matched with the step 7 in 1 stage portion 5 of link block；
The diameter of one end that the connection inner tube 2 is inserted into 1 threaded portion 6 of link block is greater than the upper conical blind hole in 1 threaded portion of link block 6
The diameter of 8 smaller diameter ends；The diameter for connecting the insertion connection of inner tube 23 one end of outer tube is small straight greater than the upper conical through-hole 11 of connection outer tube 3
The diameter at diameter end.
The hexagon section for thering is one section of convenient wrench to clamp in the shape of the connection outer tube 3.
The hexagon with the clamping of one section of convenient wrench in the shape of ontology 4 or stage portion 5 is connected in the link block 1
Section.
Embodiment two
As shown in Fig. 3, Fig. 4, Fig. 9-Figure 12, the present invention is based on the earthing or grounding means connector of overall process mechanized construction, structures
As in the first embodiment, only the quantity of columned stage portion 5 is 3 on connection block body 4, correspondingly, connection inner tube 2 and connection
The quantity of outer tube 3 is also 3.
Embodiment three
As shown in Fig. 5, Fig. 6, Fig. 9-Figure 12, the present invention is based on the earthing or grounding means connector of overall process mechanized construction, structures
As in the first embodiment, only the quantity of columned stage portion 5 is 4 on connection block body 4, correspondingly, connection inner tube 2 and connection
The quantity of outer tube 3 is also 4.
Example IV
As shown in Fig. 7, Fig. 8, Fig. 9-Figure 12, the present invention is based on the earthing or grounding means connector of overall process mechanized construction, structures
As in the first embodiment, only the quantity of columned stage portion 5 is multiple greater than 4 on connection block body 4, correspondingly, connecting
Inner tube 2 and the quantity of connection outer tube 3 are also multiple greater than 4.
For the present invention according to the difference of stage portion quantity, naming the present invention with 2 stage portions is two flow-through connectors, tool
The present invention for having 3 stage portions is triplet type connector, and the present invention with 4 stage portions is four flow-through connectors, is had more
The present invention of multiple stage portions is multi-pass type connector.
In the use of the present invention, threaded portion 6 in link block 1 is first inserted into one end of multiple connection inner tubes 2 correspondingly
Tapered blind hole 8 in, then multiple connection outer tubes 3 are sleeved on correspondingly outside connection inner tube 2, then by more grounding bodies 14
It is penetrated in the circular through hole 9 of connection inner tube 2 correspondingly, the grounding body 14 will be through entire connection inner tube 2, then with pulling
Hand rotation connection outer tube 3 makes to connect threaded portion 6 on the internal thread hole 12 and link block 1 on outer tube 3 and gradually screws, in this mistake
Cheng Zhong, the conical through-hole 11 in tapered blind hole 8 and connection outer tube 3 in 1 threaded portion 6 of connector, which gradually oppress, connects inner tube 2, by
Shrinkage joint 10 is all had in connection 2 both ends of inner tube, connection 2 both ends of inner tube is tightened gradually, to hold grounding body 14 tightly, makes to connect
What ground body 14 and the present invention fastened links together.When using the present invention with different number stage portion, not similar shape can be formed
The connection of the grounding body 14 of formula, and being used cooperatively with multiple present invention of different number stage portion, be suitable for as it is horizontal with
Grounding Grids such as are applied in combination, increase grounding body quantity at different require.Such as when needs level is applied in combination with Grounding Grids
When, two flow-through connectors need to only be designed to the vertical direction in four-way or multi-pass type connector；When needing to increase grounding body
When 14 quantity, triplet type connector can be installed between two four-ways or multi-pass type connector and increased.
The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also make without departing from the purpose of the present invention
Various change out.
Claims (4)
1. the earthing or grounding means connector based on overall process mechanized construction, characterized by comprising: in link block (1), connection
Manage (2) and connection outer tube (3)；
The structure of the link block (1) is that radioactivity is fixed with multiple columned stage portions (5) in connection block body (4), often
A threaded portion (6) is coaxially fixed on a stage portion (5), the one end connecting on the stage portion (5) with threaded portion (6) is set
It is equipped with the step (7) to contract, is provided with external screw thread on the threaded portion (6), and to be provided with the small taper of outer imperial palace blind for its axial direction
Hole (8)；
Connection inner tube (2) double end taper thick between the detail of both ends, axial direction are provided with circular through hole (9), the pipe at both ends
Multiple axial shrinkage seams (10) are provided on body；
Axial conical through-hole (11) are provided on the connection outer tube (3), are also provided in one end of conical through-hole (11) major diameter
The adaptable internal thread hole (12) with the external screw thread on link block (1) threaded portion (6), and a circle convex annular is provided on its end face
Step (7) in platform (13), the annular convex platform (13) and link block (1) stage portion (5) is adapted；
The quantity of connection inner tube (2) and connection outer tube (3) is identical as the quantity of stage portion (5) in link block (1) and one by one
Corresponding mating connection；
In tapered blind hole (8) in one end insertion link block (1) threaded portion (6) of connection inner tube (2), other end insertion connects
It connecing in the conical through-hole (11) of outer tube (3), connection outer tube (3) is connect by internal screw thread with the threaded portion (6) on link block (1),
Annular convex platform (13) in connection outer tube (3) is matched with the step (7) in link block (1) stage portion (5)；
The diameter of one end in connection inner tube (2) insertion link block (1) threaded portion (6) is greater than link block (1) threaded portion (6)
The diameter of upper conical blind hole (8) smaller diameter end；The diameter for connecting inner tube (2) insertion connection outer tube (3) one end is greater than connection outer tube
(3) diameter of upper conical through-hole (11) smaller diameter end.
2. the earthing or grounding means connector according to claim 1 based on overall process mechanized construction, it is characterised in that: institute
The quantity for stating stage portion (5) in link block (1) is 2, or is 3, or is 4, or is 5, or is 6, or is 7, or
It is 8, it is 2 that the quantity of connection inner tube (2) and connection outer tube (3), which is also adapted, or is 3, or is 4, or is 5
It is a, or be 6, or be 7, or be 8.
3. the earthing or grounding means connector according to claim 1 or 2 based on overall process mechanized construction, feature exist
In: the hexagon section for thering is one section of convenient wrench to clamp in the shape of connection outer tube (3).
4. the earthing or grounding means connector according to claim 1 or 2 based on overall process mechanized construction, feature exist
In: the hexagon with the clamping of one section of convenient wrench in the shape of connection ontology (4) or stage portion (5) in the link block (1)
Section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551204.2A CN108987955A (en) | 2018-05-31 | 2018-05-31 | Earthing or grounding means connector based on overall process mechanized construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551204.2A CN108987955A (en) | 2018-05-31 | 2018-05-31 | Earthing or grounding means connector based on overall process mechanized construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108987955A true CN108987955A (en) | 2018-12-11 |
Family
ID=64542831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810551204.2A Pending CN108987955A (en) | 2018-05-31 | 2018-05-31 | Earthing or grounding means connector based on overall process mechanized construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108987955A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191026124A (en) * | 1910-11-10 | 1911-10-26 | Herbert Randolph Doel | Connector for Electric Cables. |
| GB251679A (en) * | 1925-01-28 | 1926-04-28 | Twiss Electric Transmission Lt | Improvements in and relating to connectors or gripping devices for wires, rods, cables and the like |
| CN2672901Y (en) * | 2003-10-09 | 2005-01-19 | 谢维 | Electric wire joint |
| CN104836039A (en) * | 2015-04-20 | 2015-08-12 | 国网山西省电力公司晋城供电公司 | Combined type power transmission line tower earthing device connecting pipe |
| CN105206949A (en) * | 2014-06-24 | 2015-12-30 | 国网山西省电力公司晋城供电公司 | Power transmission line tower grounding device |
| CN205207964U (en) * | 2015-11-26 | 2016-05-04 | 中国航空工业集团公司北京航空材料研究院 | Composite connection coupling |
| CN205376788U (en) * | 2016-01-28 | 2016-07-06 | 山东瑞能新能源有限公司 | Energy -conserving electrical joint |
| CN106229699A (en) * | 2016-08-21 | 2016-12-14 | 葛益艇 | A kind of cable termination |
| CN206022651U (en) * | 2016-09-14 | 2017-03-15 | 成都圣威电气有限公司 | A kind of corrosion-resistant lightning-proof grounding body |
| CN206293630U (en) * | 2017-01-10 | 2017-06-30 | 广西电网有限责任公司崇左供电局 | Electric power line pole tower earth mat Quick Connect Kit |
| CN208580858U (en) * | 2018-05-31 | 2019-03-05 | 国网山西省电力公司晋城供电公司 | A kind of earthing or grounding means connector based on overall process mechanized construction |
-
2018
- 2018-05-31 CN CN201810551204.2A patent/CN108987955A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191026124A (en) * | 1910-11-10 | 1911-10-26 | Herbert Randolph Doel | Connector for Electric Cables. |
| GB251679A (en) * | 1925-01-28 | 1926-04-28 | Twiss Electric Transmission Lt | Improvements in and relating to connectors or gripping devices for wires, rods, cables and the like |
| CN2672901Y (en) * | 2003-10-09 | 2005-01-19 | 谢维 | Electric wire joint |
| CN105206949A (en) * | 2014-06-24 | 2015-12-30 | 国网山西省电力公司晋城供电公司 | Power transmission line tower grounding device |
| CN104836039A (en) * | 2015-04-20 | 2015-08-12 | 国网山西省电力公司晋城供电公司 | Combined type power transmission line tower earthing device connecting pipe |
| CN205207964U (en) * | 2015-11-26 | 2016-05-04 | 中国航空工业集团公司北京航空材料研究院 | Composite connection coupling |
| CN205376788U (en) * | 2016-01-28 | 2016-07-06 | 山东瑞能新能源有限公司 | Energy -conserving electrical joint |
| CN106229699A (en) * | 2016-08-21 | 2016-12-14 | 葛益艇 | A kind of cable termination |
| CN206022651U (en) * | 2016-09-14 | 2017-03-15 | 成都圣威电气有限公司 | A kind of corrosion-resistant lightning-proof grounding body |
| CN206293630U (en) * | 2017-01-10 | 2017-06-30 | 广西电网有限责任公司崇左供电局 | Electric power line pole tower earth mat Quick Connect Kit |
| CN208580858U (en) * | 2018-05-31 | 2019-03-05 | 国网山西省电力公司晋城供电公司 | A kind of earthing or grounding means connector based on overall process mechanized construction |
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