CN209344741U - A kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower - Google Patents
A kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower Download PDFInfo
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- CN209344741U CN209344741U CN201920042402.6U CN201920042402U CN209344741U CN 209344741 U CN209344741 U CN 209344741U CN 201920042402 U CN201920042402 U CN 201920042402U CN 209344741 U CN209344741 U CN 209344741U
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Abstract
The utility model relates to a kind of ladder lead type ground wire grounding structures for weather-proof steel tube tower, solve weather-proof steel tube tower compared with prior art and are difficult to carry out the defect of lightning conducter mounting design.In the utility model drainage thread B from the top of lightning conducter cross-arm through ladder A draw it is lower after be connected with grounding body by column foot grounding assembly, drainage thread C from the top of lightning conducter cross-arm through ladder B draw it is lower after pass through column foot grounding assembly and be connected with grounding body；The drainage thread A and drainage thread D passes through the fixed armour clamp assembly of insulation and is mounted on the frame of tower body tabula of tower body, and adjacent climbing is respectively connected with down conductor on the ladder A between column.Grounding design under the drawing that the utility model passes through ladder avoids influence of the downlead to unit for operation on ladder personnel while so that the resistance to thunder level of weather-proof steel rod tower counterattack reaches conventional galvanised steel shaft tower equivalent effect.
Description
Technical field
The utility model relates to weather-proof steel tube tower technical fields, and specifically a kind of ladder for weather-proof steel tube tower draws
Wire type ground wire grounding structure.
Background technique
In the prior art, after lightning conducter or shaft tower meet with lightning stroke, lightning current draws traditional overhead line structures along shaft tower tower body
To grounding body, the lightning-arrest design for being directed to shaft tower is mainly as follows:
(1) the common lightning protection measures of transmission line of electricity are to set up lightning conducter, setting ground line etc., but these measures are after erection
To the weather-proof higher problem of steel tube tower direct impedance without being effectively improved, it only can be used as the lightning protection means of conventional galvanised steel shaft tower.
(2) though there is portion of techniques using insulating composite material as the shaft tower of tower head, by the way that thunder and lightning drainage thread mode is arranged,
Such as: utilizing hollow tubulose tower body structure, thunder and lightning drainage thread is set along tower body inboard, upright；Or the ground wire at combination tower crown end
One section of metal cross arm along conducting wire direction is drawn at metal tower body center below the center of cross-arm and compound tower head respectively, in metal
The end of cross-arm is vertically arranged thunder and lightning drainage thread.But the shaft tower of weather-proof steel material can not form the tubulose tower body knot of hollow structure
Structure, and the shaft tower of weather-proof steel material is overall structure, and tower body cannot achieve integrally without metal material and utilize metal tower body
Downlead design.
Due to the characteristic of weather-proof steel material, the pole tower forms of steel tube tower (lattice form) are mostly used in practical applications.It adopts
With the shaft tower of weather-proof steel material, tower body impedance is significantly higher than traditional zinc-plated steel rod tower, meets with lightning stroke in lightning conducter or shaft tower
And when not formed effective lightning channel, under the conditions of identical ground resistance, tower that lightning current is formed on weather-proof steel material shaft tower
Top current potential is apparently higher than zinc-plated steel rod tower, so that the probability of insulator generation back flashover flashover is obvious on weather-proof steel material shaft tower
Increase, lightning fault risk is larger.In particular, be directed to for area with more lightning activities domain, annual thunderstorm days were at 40-90 days, needle
The lightning protection properties of weather-proof steel tube tower are then particularly important.
Meanwhile being directed to for weather-proof steel tube tower, since tower body section is quadrangle, tower body is larger, in same tower body
Ladder is used for maintenance there are two setting on diagonal line or even higher volume of weather-proof steel tube tower is additionally provided with four ladders.Ladder
It is arranged while maintaining easily personnel, then brings inconvenience to the lead of lightning conducter.
Therefore, how ladder to be arranged and has combined the lightning protection structure for realizing the weather-proof steel tube tower of area with more lightning activities with lightning conducter lead
Through becoming technical problem urgently to be solved.
Utility model content
Purpose of the utility model is to solve weather-proof steel tube towers in the prior art to be difficult to carry out lightning conducter mounting design
Defect, provide a kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower to solve the above problems.
To achieve the goals above, the technical solution of the utility model is as follows:
A kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower, including weather-proof steel tube tower, weather-proof steel pipe
Tower includes tower body, ladder A and ladder B, tower body be equipped with from top to bottom lightning conducter cross-arm, upper conducting wire cross-arm, middle conducting wire cross-arm and
Lower wire cross-arm is equipped with lightning conducter A on lightning conducter cross-arm and lightning conducter B, the ladder A and ladder B is installed in tower body
Upper and ladder A and ladder B are located on the diagonal line of weather-proof steel tube tower, and ladder A is identical as the structure of ladder B, and described climbs
Terraced A includes climbing column, climbs on column and is equipped with several feet nail, climbs column and be mounted on tower body by weathering steel ladder fixture,
It further include drainage thread, the quantity of the drainage thread is 4, and drainage thread A, drainage thread B are pacified by parallel groove clamp respectively
Enter line side, outgoing line side mounted in lightning conducter A, drainage thread C, drainage thread D pass through the inlet wire that parallel groove clamp is mounted on lightning conducter B respectively
Side, outgoing line side, drainage thread A and drainage thread D from the top of lightning conducter cross-arm drawn on the outside of tower body it is lower after group is grounded by column foot
Part is connected with grounding body respectively, drainage thread B from the top of lightning conducter cross-arm through ladder A draw it is lower after by column foot grounding assembly and connecing
Ground body is connected, drainage thread C from the top of lightning conducter cross-arm through ladder B draw it is lower after be connected with grounding body by column foot grounding assembly；
The drainage thread A and drainage thread D passes through the side that the fixed armour clamp assembly that insulate is mounted on the tower body tabula of tower body
On frame, adjacent climbing is respectively connected with down conductor on the ladder A between column.
The weathering steel ladder fixture includes clamping plate, and clamping plate is mounted on tower body by bolt, climbs outside column and is cased with insulation
Pad, fixture block are mounted on clamping plate by bolt and the column of climbing for being cased with felt pad are clipped on clamping plate.
The fixed armour clamp assembly of the insulation includes pillar, and the line seat material of pillar rear end is galvanized steel, the front of pillar
It is fixed with weathering steel block, the material of part is insulating composite material, line between weathering steel block and line seat on pillar
Folder is threadably mounted on line seat and drainage thread A is pressed on line seat by wire clamp, and the front end that weathering steel block is located on pillar is screw thread
Structure, the front end of pillar are inserted on tower body and carry out screw thread installation.
Spacing positioned at tower body longitudinal direction same position, the adjacent fixed armour clamp assembly of two insulation is 2-3m.
The down conductor is mounted on the adjacent foot for climbing column on ladder A and nails on.
The drainage thread A and drainage thread D is located on a diagonal line of weather-proof steel tube tower, drainage thread B and drainage thread C
In on another diagonal line of weather-proof steel tube tower.
Clamping plate, bolt and the fixture block is weather-proof steel material, and the column of climbing is galvanized steel material.Beneficial effect
A kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower of the utility model, with prior art phase
Than being added by two drainage threads grounding design and two drainage threads under the drawing on the outside of tower body using grounding design under the drawing of ladder
Spacing distance between big drainage thread, (being influenced by electric current skin effect and inductance changes in distribution) there is preferable drainage to imitate
Fruit, reduce weather-proof steel tube tower because direct impedance it is excessive caused by back flashover probability of malfunction.
Grounding design under the drawing that the utility model passes through ladder, so that weather-proof steel rod tower, which strikes back resistance to thunder level, reaches conventional plating
While zinc steel rod tower equivalent effect, influence of the downlead to unit for operation on ladder personnel is avoided, is suitble to area with more lightning activities, weather-proof steel tube tower
Popularization and application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of lightning conducter cross-arm and upper conducting wire cross-arm in the utility model；
Fig. 3 is the structural schematic diagram of middle the conducting wire cross-arm and lower wire cross-arm of the utility model；
Fig. 4 is the structural schematic diagram of grid type tabula in the utility model；
Fig. 5 is the structural schematic diagram of column foot grounding assembly in the utility model；
Fig. 6 is to insulate to fix the structural schematic diagram of armour clamp assembly in the utility model；
Fig. 7 is the structural schematic diagram of the firm fitting of column foot in the utility model；
Fig. 8 is the structural schematic diagram of weathering steel ladder fixture in the utility model；
Fig. 9 is the connection schematic diagram of down conductor between adjacent ladder in the utility model；
Wherein, the weather-proof steel tube tower of 1-, 2- tower body, 3- lightning conducter cross-arm, the upper conducting wire cross-arm of 4-, in 5- under conducting wire cross-arm, 6-
Conducting wire cross-arm, 7- ladder A, 8- ladder B, 9- column foot grounding assembly, the fixed armour clamp assembly of 10- insulation, 11- drainage thread A, 12- draw
Streamline B, 13- drainage thread C, 14- drainage thread D, 15- tower body tabula, 16- frame, 17- parallel groove clamp, 18- lightning conducter A, 19- are kept away
Thunder line B, 20- grounding body, 21- band iron, the firm fitting of 22- column foot, 23- ground terminal, 24- ground lead, 25- pressing plate, 26- are solid
Fixed board, 27- felt pad, 31- stud, 32- line seat, 33- weathering steel block, 34- wire clamp, 40- weathering steel ladder fixture, 41- are climbed
Column, 42- foot nail, 43- down conductor, 44- clamping plate, 45- bolt, 46- felt pad, 47- fixture block.
Specific embodiment
To make the structure feature to the utility model and the effect of being reached has a better understanding and awareness, to compared with
Good examples and drawings cooperate detailed description, are described as follows:
As shown in Figure 1, a kind of ladder lead type ground wire grounding knot for weather-proof steel tube tower described in the utility model
Structure, including weather-proof steel tube tower 1.Weather-proof steel tube tower 1 includes tower body 2, and tower body 2 is equipped with lightning conducter cross-arm 3, upper conducting wire from top to bottom
Cross-arm 4, middle conducting wire cross-arm 5 and lower wire cross-arm 6 are equipped with lightning conducter A18 and lightning conducter B19 on lightning conducter cross-arm 3.
As shown in Fig. 2, Fig. 3 and Fig. 9, ladder A7 and ladder B8 are installed on tower body 2 and ladder A7 and ladder B8 difference
On the diagonal line of weather-proof steel tube tower 1, ladder A7 is identical as the structure of ladder B8, and ladder A7 includes climbing column 41, climbs on column 41
Several feet nail 42 is installed, column 41 is climbed and is mounted on tower body 2 by weathering steel ladder fixture 40.
It is galvanized steel material due to climbing column 41, weather-proof steel pipe has the function that internal corrosion by the corrosion on surface, if
Galvanized steel is contacted with weathering steel easily occurs galvanic effect, accelerates the corrosion of galvanized steel, meanwhile, weathering steel surface corrosion layer is easily long-pending
Water accelerated corrosion process.Therefore, as shown in figure 8, weathering steel ladder fixture 40 includes clamping plate 44, clamping plate 44 is installed by bolt 45
(traditional approach welded connecting plate can be used on tower body 2, to facilitate clamping plate 44 to install by bolt 45) on tower body 2, climb column
It is cased with felt pad 46 outside 41, what felt pad 46 was used to be isolated galvanized steel material climbs column 41.Fixture block 47 is mounted on folder by bolt 45
On plate 44, and the column 41 of climbing for being cased with felt pad 46 is clipped on clamping plate 44, i.e., fixture block 47 squeeze be cased with felt pad 46 climb column
41 make it install (folder) on clamping plate 44, in order to cooperate the weather-proof steel material of tower body 2, can generate conductive contact with tower body 2 herein
Clamping plate 44, bolt 45 and fixture block 47 be both designed as weather-proof steel material.
Here, being grounded using the design of drainage thread to lightning conducter.According to overvoltage protection, Insulation Coordination, electromagnetic field
The basic principles such as distribution, to shaft tower space lightning stroke electromagnetic field, tower body voltage and current under different drainage thread quantity terms be distributed into
Row calculates, it was demonstrated that setting drainage thread, which can be effectively controlled, reduces weather-proof steel rod tower current potential and voltage is born in insulation；In addition, considering shaft tower point
Situations such as cloth inductance, electric current skin effect, engineering construction cost, the radical along the drainage thread of iron tower of power transmission line setting is more,
Lightning protection effect is more significant, but project cost gradually rises, and therefore, under general condition, comprehensively considers lightning protection effect and makes with engineering
Valence, in conjunction with the basic principle of optimization, after drainage thread quantity is more than four, lightning protection effect tends to definite value, project cost substantially
Continue to grow proportionately, therefore here, the quantity of drainage thread is 4.
As shown in Fig. 2, drainage thread A11, drainage thread B12 pass through the inlet wire that parallel groove clamp 17 is mounted on lightning conducter A18 respectively
Side, outgoing line side, the enter line side of lightning conducter A18, outgoing line side are the two sides of lightning conducter A18 for being directed to weather-proof steel tube tower 1.Existing
Have in technology, traditional 110kV earth wire of power transmission line is generallyd use with for OPGW by base earthing mode.And it is directed to weathering steel
For tower 1, drainage thread connection is carried out for the two sides of lightning conducter A18, first is that in order to cooperate the connection of 4 drainage threads to design,
Second is that for the connection type of unified ground wire and optical cable, convenient for construction.Similarly, drainage thread C13, drainage thread D14 pass through simultaneously respectively
Ditch wire clamp is mounted on the enter line side of lightning conducter B19, outgoing line side.
For traditional circuit shaft tower, after lightning conducter or shaft tower meet with lightning stroke, lightning current leads to ground connection along shaft tower tower body, by
Small in zinc-plated steel rod tower tower body impedance, the tower top current potential that lightning current is formed after route thunderbolt is mainly influenced by ground resistance.It is weather-proof
Steel is the low-alloy steel between ordinary steel and stainless steel, inside be good conductor, outside corrosion layer impedance it is high, therefore
The place of two pieces of weathering steels splicing is in high-impedance state, and steel tube tower is that four weather-proof steel pipes splicings fit together, therefore weather-proof steel pipe
The tower body impedance of tower is significantly higher than zinc-plated steel rod tower, after lightning conducter or shaft tower meet with lightning stroke, under the conditions of identical ground resistance,
The tower top current potential that lightning current is formed in weather-proof steel rod tower is apparently higher than zinc-plated steel rod tower, so that insulator is sent out in weather-proof steel rod tower
The probability of raw back flashover flashover significantly increases, and lightning fault risk is larger.
Therefore, drainage thread A11 and drainage thread D14 from the top of lightning conducter cross-arm 3 through the outside of tower body 2 draw it is lower after pass through tower
Foot grounding assembly 9 is connected with grounding body 20 respectively, as shown in Fig. 2, drainage thread A11 and drainage thread D14 is (weather-proof based on tower body 2
Steel tube tower 1) diagonal angles (on diagonal line locating for non-ladder A7 and ladder B8).
Drainage thread B12 from the top of lightning conducter cross-arm 3 through ladder A7 draw it is lower after by column foot grounding assembly 9 and grounding body 20
It is connected, since ladder A7 and ladder B8 is galvanized steel material, drainage can be served as.Similarly, drainage thread C13 is from lightning-arrest
The top of line cross-arm 3 through ladder B8 draw it is lower after be connected with grounding body 20 by column foot grounding assembly 9, realization drainage effect.
Since the cross section of steel tube tower is lattice pattern, as shown in figure 4, even if being used for complicated grid type tabula
By drainage thread using drawing outside, (also corresponded under being drawn using ladder under being drawn from the top of lightning conducter cross-arm 3 with can be convenient
Draw outside).Based on galvanic effect, drainage thread should avoid contacting with the direct of weathering steel as far as possible, drainage thread A11 and drainage thread
D14, which passes through to insulate, to be fixed on the frame 16 for the tower body tabula 15 that armour clamp assembly 10 is mounted on tower body 2.
As shown in fig. 6, the fixed armour clamp assembly 10 that insulate includes pillar 31,32 material of line seat of 31 rear end of pillar is zinc-plated
Steel, the front of pillar 31 are fixed with weathering steel block 33, and weathering steel block 33 on weather-proof steel material angle steel tower 1 for installing
When, it is against on weather-proof steel material angle steel tower 1 and facilitates fixed use.On pillar 31 between weathering steel block 33 and line seat 32
The material divided is insulating composite material, is reached by the insulating composite material between weathering steel block 33 and line seat 32 and is dielectrically separated from
Effect.Wire clamp 34 is threadably mounted on line seat 32 and drainage thread A11 is pressed on line seat 32 by wire clamp 34, and drainage thread is consolidated in formation
Dingan County's dress.The front end for being located at weathering steel block 33 on pillar 31 is helicitic texture, and the front end of pillar 31 is inserted on tower body 2 and carries out
Installation of the fixed armour clamp assembly 10 on tower body 2 of insulating is realized in screw thread installation.
It is adjacent on ladder A7 to climb between column 41 in order to realize multiple adjacent connections climbed between column 41 on ladder A7
It is connected with down conductor 43.Down conductor 43 can be installed on climbing 41 inner wall of column, but for convenience under grounding lead
The installation of line 43, as shown in figure 9, down conductor 43 may be mounted on ladder A7 on the adjacent foot nail 42 for climbing column 41, ground connection
One end of downlead 43 is connect by traditional ground terminal on the foot nail 42 for climbing column 41 at one, the other end of down conductor 43
It is connect on the foot nail 42 that another climbs column 41 by traditional ground terminal.
As shown in figure 5, column foot grounding assembly 9 includes band iron 21, band iron 21 is mounted on weather-proof by the firm fitting 22 of column foot
On the column foot of steel tube tower 1.The firm fitting 22 of column foot can be traditional fixation fitting, but in order to guarantee insulating properties, such as Fig. 7 institute
Show, the firm fitting 22 of column foot may include pressing plate 25 and fixed plate 26, and pressing plate 25 and fixed plate 26 are L shape, pressing plate 25 and solid
The overlapping installation of fixed board 26, is equipped with felt pad 27 between pressing plate 25 and fixed plate 26, plays insulation by felt pad 27 and makees
With.Drainage thread A11 is connect by ground terminal 23 in one end of band iron 21, and the other end of band iron 21 passes through ground lead 24 and ground connection
Body 20 connects.
Here, the ground line of transmission line of electricity is provided with both direction, on the outside of tower body or on the inside of tower body, i.e., with the prior art
For, grounding body 20 is set on the outside of tower body or inside, only need in a traditional way using transition member avoid ground line with
Tower body, which directly contacts, leads to corrosion.Here, by taking grounding body 20 is set on the outside of tower body as an example, to avoid ground line and tower body
Directly contact causes to corrode, and using structure shown in Fig. 6, when grounding body is located on the outside of tower body, band iron 21 is located on the outside of tower body, on
Drainage thread (drainage thread carries out interior to outer conversion using traditional fitting) is terminated, lower termination ground lead 24 leads to grounding body
20.
In actual use, when lightning conducter A18 or lightning conducter B19 meets with lightning stroke, according to different lightning stroke positions and electricity
It makes leave with rage to drainage thread A11, drainage thread B12, drainage thread C13 or drainage thread D14 will shock by electricity from 2 outside of tower body or draw by ladder
Lightning protection earthing is carried out down toward grounding body 20, ensure that line security.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model
Protection scope defined by appended claims and its equivalent.
Claims (7)
1. a kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower, including weather-proof steel tube tower (1), weather-proof steel pipe
Tower (1) includes tower body (2), ladder A (7) and ladder B (8), and tower body (2) is equipped with lightning conducter cross-arm (3), upper conducting wire from top to bottom
Cross-arm (4), middle conducting wire cross-arm (5) and lower wire cross-arm (6) are equipped with lightning conducter A (18) and lightning conducter on lightning conducter cross-arm (3)
B (19), the ladder A (7) and ladder B (8) are installed on tower body (2) and ladder A (7) and ladder B (8) be located at it is resistance to
On the diagonal line for waiting steel tube tower (1), ladder A (7) is identical as the structure of ladder B (8), and the ladder A (7) includes climbing column
(41), it climbs on column (41) and several feet nail (42) is installed, climb column (41) by weathering steel ladder fixture (40) and be mounted on tower body
(2) on, it is characterised in that:
It further include drainage thread, the quantity of the drainage thread is 4, and drainage thread A (11), drainage thread B (12) pass through simultaneously ditch line respectively
Folder (17) is mounted on the enter line side of (18) lightning conducter A, outgoing line side, and drainage thread C (13), drainage thread D (14) pass through simultaneously ditch line respectively
Folder (17) is mounted on the enter line side of (19) lightning conducter B, outgoing line side, and drainage thread A (11) and drainage thread D (14) are from lightning conducter cross-arm
(3) top drawn on the outside of tower body (2) it is lower after be connected with grounding body (20) respectively by column foot grounding assembly (9), drainage thread B
(12) from the top of lightning conducter cross-arm (3) through ladder A (7) draw it is lower after be connected with grounding body (20) by column foot grounding assembly (9),
Drainage thread C (13) from the top of lightning conducter cross-arm (3) through ladder B (8) draw it is lower after by column foot grounding assembly (9) and grounding body
(20) it is connected；
The drainage thread A (11) and drainage thread D (14) is mounted on the tower of tower body (2) by insulation fixed armour clamp assembly (10)
On the frame (16) of body tabula (15), adjacent climbing between column (41) is respectively connected with down conductor on the ladder A (7)
(43)。
2. a kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower according to claim 1, feature
Be: the weathering steel ladder fixture (40) includes clamping plate (44), and clamping plate (44) is mounted on tower body (2) by bolt (45)
On, it climbs outside column (41) and is cased with felt pad (46), fixture block (47) is mounted on clamping plate (44) by bolt (45) and will be cased with insulation
The column (41) of climbing of pad (46) is clipped on clamping plate (44).
3. a kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower according to claim 1, feature
Be: the insulation fixed armour clamp assembly (10) includes pillar (31), and line seat (32) material of pillar (31) rear end is zinc-plated
Steel, the front of pillar (31) are fixed with weathering steel block (33), and weathering steel block (33) and line seat are located on pillar (31)
(32) material of part is insulating composite material between, and wire clamp (34) is threadably mounted on line seat (32) and wire clamp (34) will drain
Line A (11) is pressed on line seat (32), and the front end on pillar (31) positioned at weathering steel block (33) is helicitic texture, pillar (31)
Front end is inserted on tower body (2) and carries out screw thread installation.
4. a kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower according to claim 1, feature
It is: is 2-3m positioned at the spacing of tower body longitudinal direction same position, two adjacent insulation fixed armour clamp assembly (10).
5. a kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower according to claim 1, feature
Be: the down conductor (43) is mounted on ladder A (7) on the adjacent foot nail (42) for climbing column (41).
6. a kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower according to claim 1, feature
Be: the drainage thread A (11) and drainage thread D (14) is located on a diagonal line of weather-proof steel tube tower (1), drainage thread B
(12) it is located on another diagonal line of weather-proof steel tube tower (1) with drainage thread C (13).
7. a kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower according to claim 2, feature
Be: clamping plate (44), bolt (45) and the fixture block (47) is weather-proof steel material, and described climb column (41) are galvanized steel
Matter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920042402.6U CN209344741U (en) | 2019-01-11 | 2019-01-11 | A kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower |
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| CN201920042402.6U CN209344741U (en) | 2019-01-11 | 2019-01-11 | A kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672136A (en) * | 2019-01-11 | 2019-04-23 | 安徽华电工程咨询设计有限公司 | A kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower |
| CN109672136B (en) * | 2019-01-11 | 2024-05-14 | 安徽华电工程咨询设计有限公司 | Ladder lead type lightning conductor grounding structure for weathering steel pipe tower |
-
2019
- 2019-01-11 CN CN201920042402.6U patent/CN209344741U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672136A (en) * | 2019-01-11 | 2019-04-23 | 安徽华电工程咨询设计有限公司 | A kind of ladder lead type ground wire grounding structure for weather-proof steel tube tower |
| CN109672136B (en) * | 2019-01-11 | 2024-05-14 | 安徽华电工程咨询设计有限公司 | Ladder lead type lightning conductor grounding structure for weathering steel pipe tower |
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