CN202737117U - Steel pipe pole filling pile grounding device - Google Patents
Steel pipe pole filling pile grounding device Download PDFInfo
- Publication number
- CN202737117U CN202737117U CN 201220287907 CN201220287907U CN202737117U CN 202737117 U CN202737117 U CN 202737117U CN 201220287907 CN201220287907 CN 201220287907 CN 201220287907 U CN201220287907 U CN 201220287907U CN 202737117 U CN202737117 U CN 202737117U
- Authority
- CN
- China
- Prior art keywords
- reinforcement cage
- steel reinforcement
- grounding
- filling pile
- grounding resistance
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a steel pipe pole filling pile grounding device which includes a steel reinforcement cage and is characterized in that foundation bolts are welded with the steel reinforcement cage, the overlapping area is not smaller than the sectional area of the foundation bolt, and members are connected into an electrical path. The grounding device has the following advantages: the technology is simple, the steel reinforcement cage in a filling pile base is taken as a grounding body, the construction method is same as the construction scheme of a common filling pile base, and the effective electrical connection between the steel reinforcement cage in the base and the foundation bolts is enough; the cost is low, the additional material consumption or specific technology requirements are not required; the grounding resistance is small, compared with the circular grounding, the grounding resistance of the filling pile is a quarter to one fifth of the circular grounding resistance, the grounding resistance of the filling pile is much lower than a design value, so the impact of a power transmission line on the grounding resistance is fully satisfied; the maintenance is avoided, the steel reinforcement cage is taken as the grounding body, the steel reinforcement cage of the filling pile is protected by the concrete and is embedded deep in the earth, so the external damage and the chemical attack are prevented.
Description
Technical field
The utility model belongs to a kind of electric force pole tower earthing device, particularly a kind of steel pipe pole bored concrete pile earthing device.
Background technology
In the urban area, answer local government and planning requirement, the most aerial power transmission lines that are positioned at city and suburb are required to adopt steel pipe pole or thin wall concrete bridge to establish, because majority has other underground utilities near the line position, therefore the basis needs to adopt the bored concrete pile pattern, and steel pipe pole or thin traditional earth electrode of keeping away concrete frame are generally radial star-like ground connection, need the larger scope of operation during construction, surrounding environment is produced destruction, the city, the town is regional owing to road construction, road surface cement, and peripheral building construction is gathered, laying of ground network brought unusual difficulty, thereby can't completely lay earth electrode.In addition, radial star-like ground connection floor space is large, and the operations staff will carefully check the situation of ground network in circuit inspection process, and the outside destroy such as see if there is stolen phenomenon and fetch earth, wash away causes exposes etc., therefore the corresponding workload that increased; Ground network round steel laying earth's surface is shallow, easily stolen, and in recent years, this phenomenon happened occasionally, and had increased the operating cost expense, stays especially hidden danger for line thunder protection.
Summary of the invention
The purpose of this utility model provides a kind of steel pipe pole bored concrete pile earthing device, can solve well earthing device and be difficult for construction, easy stolen, destroyed problem, effectively reduces pole tower ground resistance, reduces the line upkeep workload.
The technical scheme that the utility model provides is as follows: it comprises steel reinforcement cage, it is characterized in that: anchor bolt and steel reinforcement cage welding, the overlap joint area is not less than the area of section of anchor bolt, connects into electric path between each member.The underground water lowest water level must not be lower than bored concrete pile foundation bottom.
Good Metal Contact is arranged between steel pipe pole and anchor bolt, and the steel reinforcement cage of bored concrete pile cans be compared to a profound Grounding Grids.Lightning current transmits steel reinforcement cage along steel pipe pole by anchor bolt, from the earth's surface to the deep subsoil, sees through the concrete in the wet soil, and lightning current is released away, reaches the purpose of lightning protection.
Advantage of the present utility model: 1, technique is simple.Utilize the steel reinforcement cage in the bored concrete pile foundation to make earth electrode, construction method is identical with common filling pile foundation construction scheme, only need make steel reinforcement cage in the basis and anchor bolt reach effective electrical connection and get final product; 2, with low cost.Need not extra material consumption or special process requirement.3, earth resistance is little.With annular Earth Phase ratio, the bored concrete pile earth resistance is generally 1/4-1/5 of annular earth mat resistance, is far smaller than design load, has fully satisfied the requirement of power transmission sequence impulse earthed resistance value; 4, non-maintaining.Utilize steel reinforcement cage as earth electrode, the steel reinforcement cage of bored concrete pile is subjected to concrete protection, and is embedded in the deep layer of soil, has avoided damage and chemical corrosion.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
See Fig. 1, concrete structure is as follows: the anchor bolt 1 that is connected with steel pipe pole on the ground and steel reinforcement cage 2 welding, and the steel reinforcement cage bar diameter that connects usefulness must not be less than 8mm, and the overlap joint area is not less than the area of section of anchor bolt, connects into electric path between each member.The pile foundation 3 of perfusion should pierce below the minimum level of ground water.
Claims (1)
1. steel pipe pole bored concrete pile earthing device, it comprises steel reinforcement cage, it is characterized in that: anchor bolt and steel reinforcement cage welding, the overlap joint area is not less than the area of section of anchor bolt, connects into electric path between each member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220287907 CN202737117U (en) | 2012-06-19 | 2012-06-19 | Steel pipe pole filling pile grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220287907 CN202737117U (en) | 2012-06-19 | 2012-06-19 | Steel pipe pole filling pile grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737117U true CN202737117U (en) | 2013-02-13 |
Family
ID=47662784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220287907 Expired - Fee Related CN202737117U (en) | 2012-06-19 | 2012-06-19 | Steel pipe pole filling pile grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066112A (en) * | 2018-07-10 | 2018-12-21 | 中国葛洲坝集团电力有限责任公司 | Reduce the earthing or grounding means and method of ground resistance and anti-artificial destruction high voltage iron tower |
-
2012
- 2012-06-19 CN CN 201220287907 patent/CN202737117U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066112A (en) * | 2018-07-10 | 2018-12-21 | 中国葛洲坝集团电力有限责任公司 | Reduce the earthing or grounding means and method of ground resistance and anti-artificial destruction high voltage iron tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20170619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |