CN213806883U - Concrete pole with integrated grounding device - Google Patents
Concrete pole with integrated grounding device Download PDFInfo
- Publication number
- CN213806883U CN213806883U CN202022616304.4U CN202022616304U CN213806883U CN 213806883 U CN213806883 U CN 213806883U CN 202022616304 U CN202022616304 U CN 202022616304U CN 213806883 U CN213806883 U CN 213806883U
- Authority
- CN
- China
- Prior art keywords
- pole
- connecting bolt
- grounding
- concrete
- ring
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 60
- 239000010959 steel Substances 0.000 claims abstract description 60
- 230000002787 reinforcement Effects 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000009194 climbing Effects 0.000 abstract description 4
- 238000000407 epitaxy Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 210000003205 muscle Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model relates to a pole technical field is a concrete pole of earthing device integration, including pole, steel reinforcement cage and earthing device, the steel reinforcement cage of the built-in cage of pole is and by the concrete placement shaping. The utility model has the advantages of reasonable and compact structure, high durability and convenient use, through setting up the ground connection steel cylinder, need not additionally to install the grounding body again, the engineering actual cost has been practiced thrift, can also avoid the earth connection stolen or external force destruction, operation maintenance cost has been reduced and electric wire netting fail safe nature has been improved, through setting up connecting bolt, need not to depend on pole ligature ground lead, avoid climbing the pole for the operation personnel and cause the hindrance, reduce work safety risk, connecting bolt both can be used to measure the resistance value of the pole natural grounding body down, also can be connected with the artifical grounding body of epitaxy when the ground resistance value is too big, can also hang through connecting bolt down when overhauing and establish the protection earth connection, effectively promote maintenance work efficiency, and the safety, labor saving, and convenience, high efficiency characteristics.
Description
Technical Field
The utility model relates to a pole technical field is a concrete pole of earthing device integration.
Background
At present, equipment on an overhead distribution line pole is grounded by a concrete pole with an integrated grounding device which is additionally installed. After the concrete pole is firmly assembled, 1-2 angle steels with the size of 5mm multiplied by 50mm multiplied by 2500mm are adopted as artificial grounding bodies beside the concrete pole to be driven into the ground, the grounding bodies are connected with grounding wires through welding or bolt connection, the grounding wires are attached to the concrete pole (through binding and the like) until the concrete pole is connected to a line arrester and other grounding equipment, but the concrete pole integrated with the existing pole installation grounding device has the following problems:
(1) in the construction process, an additional manual grounding body needs to be drilled, the workload of workers is increased, the grounding effect is easily influenced by the phenomena of insufficient buried depth of the grounding body and the like, and unsafe factors are brought to a distribution line;
(2) in the operation process, the grounding wire is exposed outside and is frequently stolen, and the connection between the grounding body and the grounding wire is loosened due to external force damage and the like;
(3) the grounding wire needs to be bound and upwards installed depending on the electric pole, so that the later-stage operation and maintenance staff can be hindered from climbing the electric pole, and certain potential safety hazards exist;
(4) the temporary grounding body needs to be opened when the protective grounding wire is hung for ensuring the overhaul safety of the distribution equipment, but the temporary grounding body can be opened without the ground at the embedding position of a plurality of electric poles, so that the temporary grounding body is difficult to be opened when being extended outwards, and the grounding resistance is large, so that the potential safety hazard exists.
Disclosure of Invention
The utility model provides a concrete pole of earthing device integration has overcome above-mentioned prior art not enough, and it can effectively solve the work load that current concrete pole installation grounding body exists big, damaged, influence the limited problem when operation and maintenance staff climbs and installs easily.
The technical scheme of the utility model is realized through following measure: a concrete pole with an integrated grounding device comprises a pole, a steel reinforcement framework and the grounding device, wherein the cage-shaped steel reinforcement framework is arranged in the pole and is formed by pouring concrete, the grounding device comprises an upper connecting bolt, a lower connecting bolt and a grounding steel cylinder, the lower end of a main reinforcement arranged up and down of the steel reinforcement framework penetrates through the lower end face of the pole and is bent outwards to form a connecting section, the grounding steel cylinder is sleeved outside the lower end of the pole, the lower end of the grounding steel cylinder is fixedly connected with the connecting section, an upper communicating ring fixedly connected with the outer side of the upper part of the steel reinforcement framework is arranged inside the upper part of the pole, at least one upper connecting bolt is distributed on the outer side of the upper communicating ring at intervals along the circumferential direction, the screw end of each upper connecting bolt is exposed out of the outer surface of the upper part of the pole, a lower communicating ring fixedly connected with the outer side of the lower part of the steel reinforcement framework is arranged inside the lower part of the pole, at least one lower connecting bolt is distributed on the outer side of the lower communicating ring at intervals along the circumferential direction, the screw rod end of connecting bolt all exposes pole lower part surface down, lower connecting bolt last connecting bolt and ground connection steel cylinder between all switch on each other.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the above-mentioned pole upper portion surface that corresponds last connecting bolt position can be equipped with the mounting groove, and the screw rod end of going up connecting bolt is located the mounting groove, goes up the degree of depth of mounting groove and the same correspondence of length that the screw rod end of last connecting bolt exposes the pole surface down the pole lower part surface of connecting bolt position and is equipped with down the mounting groove, and the screw rod end of connecting bolt is located down the mounting groove down.
The screw end of the upper connecting bolt can be screwed with an upper connecting nut positioned in the upper mounting groove, and the screw end of the lower connecting bolt is screwed with a lower connecting nut positioned in the lower mounting groove.
The inner side of the grounding steel cylinder can be in close contact with the outer side of the electric pole.
The surface of the grounding steel cylinder, the surface of the upper connecting bolt, the surface of the upper connecting nut, the surface of the lower connecting bolt and the surface of the lower connecting nut are all provided with anticorrosive coatings.
The corrosion-resistant layer can be a zinc layer.
Above-mentioned last intercommunication ring and the distance between the framework of steel reinforcement upper end can be not more than 2m, and lower intercommunication ring is located ground connection steel cylinder top and is not more than 3m with the distance between the pole lower extreme.
The cross sections of the upper communicating ring and the lower communicating ring can be circular, and the diameter of the cross section of the upper communicating ring and the diameter of the cross section of the lower communicating ring are not less than 10 mm.
The utility model has the advantages of reasonable and compact structure, high durability and convenient use, through setting up the ground connection steel cylinder, need not additionally to install the grounding body again, the engineering actual cost has been practiced thrift, can also avoid the earth connection stolen or external force destruction, operation maintenance cost has been reduced and electric wire netting fail safe nature has been improved, through setting up connecting bolt, need not to depend on pole ligature ground lead, avoid climbing the pole for the operation personnel and cause the hindrance, reduce work safety risk, connecting bolt both can be used to measure the resistance value of the pole natural grounding body down, also can be connected with the artifical grounding body of epitaxy when the ground resistance value is too big, can also hang through connecting bolt down when overhauing and establish the protection earth connection, effectively promote maintenance work efficiency, and the safety, labor saving, and convenience, high efficiency characteristics.
Drawings
Fig. 1 is a schematic sectional view of the preferred embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view taken along line A-A of FIG. 1.
Fig. 3 is a schematic bottom enlarged view of fig. 1.
The codes in the figures are respectively: 1 is the pole, 2 is the main muscle, and 3 is last connecting bolt, and 4 are connecting bolt down, and 5 are ground connection steel cylinder, and 6 are the linkage segment, and 7 are last coupling nut, and 8 are lower coupling nut, and 9 are last intercommunication ring, and 10 are lower intercommunication ring, and 11 are last mounting groove, and 12 are lower mounting grooves.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in attached figures 1, 2 and 3, the concrete pole integrated with the grounding device comprises a pole 1, a steel reinforcement framework and the grounding device, wherein the cage-shaped steel reinforcement framework is arranged in the pole 1 and is formed by pouring concrete, the grounding device comprises an upper connecting bolt 3, a lower connecting bolt 4 and a grounding steel cylinder 5, the lower end of a main reinforcement 2 arranged up and down of the steel reinforcement framework penetrates through the lower end surface of the pole 1 and is bent outwards to form a connecting section 6, the grounding steel cylinder 5 is sleeved outside the lower end of the pole 1, the lower end of the grounding steel cylinder is fixedly connected with the connecting section 6, an upper communicating ring 9 fixedly connected with the outer side of the upper part of the steel reinforcement framework is arranged inside the upper part of the pole 1, at least one upper connecting bolt 3 is distributed at intervals along the circumferential direction outside of the upper communicating ring 9, the screw end of each upper connecting bolt 3 is exposed out of the outer surface of the upper part of the pole 1, a lower communicating ring 10 fixedly connected with the outer side of the lower part of the steel reinforcement framework is arranged inside the lower part of the pole 1, the intercommunication ring 10 outside has at least one connecting bolt 4 down along circumference interval distribution down, connecting bolt 4's screw rod end all exposes 1 lower part surface of pole down, lower connecting bolt 4 last connecting bolt 3 and ground connection steel cylinder 5 between all switch on each other.
According to the demand, go up connecting bolt 3 and connecting bolt 4 down and be prior known technique, like M16's connecting bolt, the framework of steel reinforcement includes the stirrup of interval fixed connection in the main muscle 2 outside about main muscle 2 and the several that set up along 1 length direction of pole, and 2 lower extremes of main muscle pass pole 1 lower terminal surface and outwards radially buckle and form linkage segment 6, go up connecting bolt 3 and lower connecting bolt 4 and all radially set up along pole 1. In the using process, the grounding steel cylinder 5 is used, no additional grounding body is needed to be installed, the power grid construction project is labor-saving and time-saving, the practical project cost is saved, the grounding wire can be prevented from being stolen or damaged by external force, the operation maintenance cost is reduced, the safety and the reliability of the power grid are improved, the upper connecting bolt 3 is arranged, the binding of a grounding lead on the electric pole 1 is not needed, the electric power operator is prevented from climbing the electric pole 1 to be blocked, the working efficiency is improved, the working safety risk is reduced, the lower connecting bolt 4 is arranged, the resistance value of the natural grounding body of the electric pole 1 can be measured, the lower connecting bolt 4 can be connected with an extension artificial grounding body when the grounding resistance value is too large, the application range is wide, the grounding wire can be hung and protected by the lower connecting bolt 4 during maintenance, the temporary connecting body is not needed to be additionally arranged, the maintenance working efficiency can be effectively improved, and the grounding effect is good, is safer and more reliable. The utility model has the advantages of reasonable and compact structure, convenient use, safety, labor saving, simplicity, convenience and high efficiency.
The concrete pole integrated with the grounding device can be further optimized or/and improved according to actual needs:
as shown in fig. 1 and 2, the upper surface of the electric pole 1 corresponding to the position of the upper connecting bolt 3 is provided with an upper mounting groove 11, the screw end of the upper connecting bolt 3 is positioned in the upper mounting groove 11, the lower surface of the electric pole 1 corresponding to the position of the lower connecting bolt 4 is provided with a lower mounting groove 12, and the screw end of the lower connecting bolt 4 is positioned in the lower mounting groove 12.
According to requirements, the depth of the upper mounting groove 11 is the same as the length of the thread section of the upper connecting bolt 3, and the depth of the lower mounting groove 12 is the same as the length of the thread section of the lower connecting bolt 4. In the use process, through the arrangement, the structure of the electric pole 1 is compact and attractive, and the transportation of the electric pole 1 is facilitated.
As shown in fig. 1 and 2, the upper connecting nut 7 in the upper mounting groove 11 is screwed to the screw end of the upper connecting bolt 3, and the lower connecting nut 8 in the lower mounting groove 12 is screwed to the screw end of the lower connecting bolt 4.
In the use, through connecting nut 7 in setting up, the ground connection of 1 upper portion equipment of pole and lightning protection of being convenient for is connected, simple to operate, through connecting nut 8 under setting up, can be connected with the artifical ground connection body of epitaxy when being convenient for the measurement of 1 ground resistance value of pole and ground resistance value are too big, can also hang when the electric wire netting overhauls and establish the protection electric wire and use as the ground connection body.
As shown in fig. 1, 2 and 3, the inner side of the grounding steel cylinder 5 is in close contact with the outer side of the electric pole 1.
According to the demand, ground connection steel cylinder 5 is the big end down's taper sleeve the same with 1 tapering of pole, and ground connection steel cylinder 5's model is confirmed according to pole 1 model, and pole 1 like 12 meters can be rolled into the awl section of thick bamboo that the bottom internal diameter is 350mm, highly is 600mm by the steel sheet that thickness is 4 mm. In the use, through such setting, can guarantee the area of contact of ground connection steel cylinder 5 with soil, improve the ground connection performance of pole 1.
As shown in the attached drawings 1 and 2, the surface of the grounding steel cylinder 5, the surface of the upper connecting bolt 3, the surface of the upper connecting nut 7, the surface of the lower connecting bolt 4 and the surface of the lower connecting nut 8 are all provided with an anticorrosive coating.
In the use process, through the arrangement, the surfaces of the grounding steel cylinder 5, the upper connecting bolt 3, the upper connecting nut 7, the lower connecting bolt 4 and the lower connecting nut 8 can be prevented from being corroded and influencing the conductivity, and the service life can be prolonged.
As shown in fig. 1 and 2, the corrosion-resistant layer is a zinc layer.
According to the requirement, zinc layers can be formed on the surface of the grounding steel cylinder 5, the surface of the upper connecting bolt 3, the surface of the upper connecting nut 7, the surface of the lower connecting bolt 4 and the surface of the lower connecting nut 8 by an electroplating process. In the use process, the arrangement can improve the conductivity and the appearance of the surface of the grounding steel cylinder 5, the surface of the upper connecting bolt 3, the surface of the upper connecting nut 7, the surface of the lower connecting bolt 4 and the surface of the lower connecting nut 8.
As shown in fig. 1, the distance between the upper communication ring 9 and the upper end of the steel reinforcement framework is not more than 2m, and the distance between the lower communication ring 10 and the lower end of the electric pole 1 above the grounding steel cylinder 5 is not more than 3 m.
According to the demand, the vertical distance between last intercommunication ring 9 and the framework of steel reinforcement upper end is 2m, and the vertical distance between lower intercommunication ring 10 and the 1 lower extreme of pole is 3 m. In the use, be convenient for on pole 1 distribution lines lightning protection gold utensil or pole on the earthing terminal of equipment be connected with last connecting bolt 3, also be convenient for 1 earthing resistance value of pole measure and earthing resistance value can be connected with the artifical grounding body of epitaxy when too big, can also hang when the electric wire netting overhauls and establish the protection connecting wire and do the grounding body use.
As shown in the attached figures 1 and 2, the sections of the upper communicating ring 9 and the lower communicating ring 10 are both circular, and the section diameter of the upper communicating ring 9 and the section diameter of the lower communicating ring 10 are not less than 10 mm.
The upper and lower communication rings 9 and 10 are all known in the art according to the requirement, such as steel bars with a diameter of 10 mm. In the use, through such setting, can guarantee the electrically conductive sectional area, can also be firm with conducting ring and lower conducting ring and framework of steel reinforcement fixed connection together, make framework of steel reinforcement's the main muscle 2 parallel connection of upper and lower.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (10)
1. A concrete pole with an integrated grounding device is characterized by comprising an electric pole, a steel reinforcement framework and the grounding device, wherein the steel reinforcement framework is built in the electric pole and is formed by pouring concrete, the grounding device comprises an upper connecting bolt, a lower connecting bolt and a grounding steel cylinder, the lower end of a main reinforcement arranged up and down of the steel reinforcement framework penetrates through the lower end face of the electric pole and is bent outwards to form a connecting section, the grounding steel cylinder is sleeved outside the lower end of the electric pole, the lower end of the grounding steel cylinder is fixedly connected with the connecting section, the inner side of the upper part of the electric pole is provided with an upper communicating ring fixedly connected with the outer side of the upper part of the steel reinforcement framework, at least one upper connecting bolt is distributed on the outer side of the upper communicating ring at intervals along the circumferential direction, the screw end of each upper connecting bolt is exposed out of the outer surface of the upper part of the electric pole, the inner side of the lower part of the electric pole is provided with a lower communicating ring fixedly connected with the outer side of the steel reinforcement framework, at least one lower connecting bolt is distributed on the outer side of the lower communicating ring at intervals along the circumferential direction, the screw rod end of connecting bolt all exposes pole lower part surface down, lower connecting bolt last connecting bolt and ground connection steel cylinder between all switch on each other.
2. The concrete pole with the integrated grounding device as claimed in claim 1, wherein the upper surface of the pole corresponding to the position of the upper connecting bolt is provided with an upper mounting groove, the screw end of the upper connecting bolt is positioned in the upper mounting groove, the depth of the upper mounting groove is the same as the length of the screw end of the upper connecting bolt exposed out of the outer surface of the pole, the lower surface of the pole corresponding to the position of the lower connecting bolt is provided with a lower mounting groove, and the screw end of the lower connecting bolt is positioned in the lower mounting groove.
3. The ground engaging means integrated concrete pole as recited in claim 2, wherein the screw end of the upper connecting bolt is screw-coupled with an upper connecting nut positioned in the upper mounting groove, and the screw end of the lower connecting bolt is screw-coupled with a lower connecting nut positioned in the lower mounting groove.
4. A concrete pole with an integrated earthing device according to claim 1, 2 or 3, wherein the inner side of the earthing steel cylinder is in close contact with the outer side of the pole.
5. The concrete pole with the integrated grounding device as recited in claim 4, wherein the surface of the grounding steel cylinder, the surface of the upper connecting bolt, the surface of the upper connecting nut, the surface of the lower connecting bolt and the surface of the lower connecting nut are provided with an anti-corrosion layer.
6. A ground-engaging apparatus-integrated concrete pole according to claim 5, wherein the corrosion-resistant layer is a zinc layer.
7. A concrete electric pole with an integrated grounding device according to claim 1, 2, 3, 5 or 6, characterized in that the distance between the upper communication ring and the upper end of the steel reinforcement cage is not more than 2m, and the distance between the lower communication ring above the grounding steel cylinder and the lower end of the electric pole is not more than 3 m.
8. The concrete pole with the integrated grounding device as claimed in claim 4, wherein the upper communication ring is not more than 2m away from the upper end of the steel reinforcement cage, and the lower communication ring is not more than 3m away from the lower end of the pole above the grounding steel cylinder.
9. A concrete pole with an integrated grounding device according to claim 1, 2, 3, 5, 6 or 8, characterized in that the cross-sections of the upper and lower communication rings are circular, and the cross-sectional diameter of the upper communication ring and the cross-sectional diameter of the lower communication ring are not less than 10 mm.
10. The concrete pole with the integrated grounding device as recited in claim 4, wherein the upper and lower connection rings have a circular cross-section, and the cross-sectional diameter of the upper connection ring and the cross-sectional diameter of the lower connection ring are not less than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022616304.4U CN213806883U (en) | 2020-11-12 | 2020-11-12 | Concrete pole with integrated grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022616304.4U CN213806883U (en) | 2020-11-12 | 2020-11-12 | Concrete pole with integrated grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213806883U true CN213806883U (en) | 2021-07-27 |
Family
ID=76933026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022616304.4U Active CN213806883U (en) | 2020-11-12 | 2020-11-12 | Concrete pole with integrated grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213806883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113851907A (en) * | 2021-10-19 | 2021-12-28 | 国网福建省电力有限公司经济技术研究院 | Internal grounding method based on embedded flat iron concrete pole |
-
2020
- 2020-11-12 CN CN202022616304.4U patent/CN213806883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113851907A (en) * | 2021-10-19 | 2021-12-28 | 国网福建省电力有限公司经济技术研究院 | Internal grounding method based on embedded flat iron concrete pole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9768603B2 (en) | Lightning protection system | |
| CN213806883U (en) | Concrete pole with integrated grounding device | |
| CN102312601A (en) | Steel pipe pole of power transmission line | |
| CN212659680U (en) | Concrete type electric pole without extra installation of grounding device | |
| CN201753538U (en) | Prestress electric pole with ground wire | |
| CN110165560A (en) | A kind of anti-lighting arrester of roof of transformer substation | |
| CN205502711U (en) | Wire pole unable adjustment base structure of easy installation | |
| CN219528585U (en) | Concrete pole with internal grounding channel and tip lightning rod | |
| CN216197043U (en) | Internally grounded concrete pole | |
| CN216197044U (en) | Pre-buried band iron internal grounding concrete pole | |
| CN207530444U (en) | A kind of double bundle conductor conductor spacer installs auxiliary rod | |
| CN212011300U (en) | Detachable grounding busbar | |
| CN206309105U (en) | One kind is used for 10kV transmission lines large crossing shaft towers | |
| CN217768802U (en) | Gas film lightning protection grounding structure | |
| CN220979003U (en) | Steel pipe tower convenient to maintain | |
| CN205452794U (en) | Reinforcing apparatus of lightning rod | |
| CN211790693U (en) | Glass fiber reinforced plastic insulating part | |
| CN113851907A (en) | Internal grounding method based on embedded flat iron concrete pole | |
| CN215680990U (en) | Transmission line grounding device | |
| CN205100634U (en) | Telegraph pole | |
| KR200368828Y1 (en) | Horizontal Lightning Rod for Distribution Pole | |
| CN213636614U (en) | Tower grounding device | |
| CN217205785U (en) | Mounting structure of transformer substation's transformer rail | |
| CN220504663U (en) | High-performance telegraph pole | |
| CN216240012U (en) | Electric pole convenient for mounting accessories |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |