CN204516912U - Arid geology ground network - Google Patents
Arid geology ground network Download PDFInfo
- Publication number
- CN204516912U CN204516912U CN201520174248.XU CN201520174248U CN204516912U CN 204516912 U CN204516912 U CN 204516912U CN 201520174248 U CN201520174248 U CN 201520174248U CN 204516912 U CN204516912 U CN 204516912U
- Authority
- CN
- China
- Prior art keywords
- grounding electrode
- objects
- ground
- vertical
- horizontal
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
Abstract
A kind of arid geology ground network, comprises vertical grounding electrode, horizontal grounding objects, ground outlet and lightning rod; Also comprise many ground connection ditches; Vertical grounding electrode is several, and horizontal grounding objects is many, is fixedly installed a horizontal grounding objects in every bar ground connection ditch; Several vertical grounding electrode and many horizontal grounding objects are placed in the periphery of lightning rod, horizontal grounding objects two ends are fixedly connected with vertical grounding electrode upper end, connecting with ground outlet near lightning rod place, ground outlet is connected with lightning rod, the two ends of another part horizontal grounding objects are fixedly connected with vertical grounding electrode upper end respectively, vertical grounding electrode is vertically installed in below ground connection ditch, and vertical grounding electrode upper end is above ground connection ditch bottom of trench; Horizontal grounding objects and vertical grounding electrode upper end are enclosed with resistance reducing agent layer, are equipped with mixing water-loss reducer fine earth layer bottom ground connection ditch, are common back fill course above mixing water-loss reducer fine earth layer.It is mainly used in arid area grounding net of transformer substation, greatly reduces the earth electrode depth of burying.
Description
Technical field
The utility model belongs to the ground network construction of field of electricity construction, is specifically related to a kind of arid geology ground network.
Background technology
Arid geology is because soil resistivity is high, and reduce Resistance of Grounding Grids, be an industry difficult problem always.The method of current reduction Resistance of Grounding Grids comprises: 1, adopt resistance reducing agent; 2, ionic grounding module is adopted; 3, soil ion additive is used.In arid geology, above three kinds of methods as reached designing requirement, then separately need to deepen earth electrode, and extend ground network; Such quantities and expense increase greatly.
Summary of the invention
For the problem that arid geology soil resistivity is high, the purpose of this utility model is to provide a kind of arid geology ground network reducing soil resistivity.
For achieving the above object, the technical scheme that the utility model is taked is as follows: a kind of arid geology ground network, comprises vertical grounding electrode, horizontal grounding objects, lightning rod and ground outlet; It is characterized in that: also comprise many ground connection ditches; Vertical grounding electrode is several, and horizontal grounding objects is many, is fixedly installed a horizontal grounding objects in every bar ground connection ditch; Several vertical grounding electrode and many horizontal grounding objects are placed in the periphery of lightning rod, horizontal grounding objects two ends are fixedly connected with vertical grounding electrode upper end, connecting with ground outlet near lightning rod place, ground outlet is connected with lightning rod, the two ends of another part horizontal grounding objects are fixedly connected with vertical grounding electrode upper end respectively, vertical grounding electrode is vertically installed in below ground connection ditch, and vertical grounding electrode upper end is above ground connection ditch bottom of trench; Horizontal grounding objects and vertical grounding electrode upper end are enclosed with resistance reducing agent layer, are equipped with mixing water-loss reducer fine earth layer bottom ground connection ditch, are common back fill course above mixing water-loss reducer fine earth layer.
Described horizontal grounding objects adopts copper covered steel twisted wire; Described vertical grounding electrode adopts copper covered steel round steel.
The utility model is mainly used in arid area traction substation independent lightning rod ground network, also may be used for traction substation main grounding grid, and transformer and distribution station ground network, compared with prior art has main following advantage: backfill fine earth processing cost is low; The water holding capacity of backfill mixing water-loss reducer fine earth is strong; Reduce the earth electrode depth of burying; Reduce ground network and lay area.
Accompanying drawing explanation
Fig. 1 is floor plan of the present utility model;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is ground connection ditch back-filling in layers cross-sectional view;
Fig. 4 is ground connection ditch back-filling in layers sectional arrangement drawing.
In figure: 1-vertical grounding electrode; 2-horizontal grounding objects, 201-arc horizontal grounding objects; 3-lightning rod; 4-lightning rod basis; 5-ground outlet; 6-do not excavate soil; 7-resistance reducing agent layer; 8-mixing water-loss reducer fine earth layer; 9-common back fill course; H1-ground connection trench depth; H2-vertical grounding electrode length; H3-mixing water-loss reducer fine earth layer height; H4-vertical grounding electrode exposes ground connection bottom of trench height; H5-resistance reducing agent layer thickness; The height that h6-ground outlet is basseted; W-ground connection ditch width.
Embodiment
As shown in Figures 1 and 2: a kind of arid geology ground network, vertical grounding electrode 1, horizontal grounding objects 2, ground outlet 5 and lightning rod 3 is comprised; Also comprise many ground connection ditches; Vertical grounding electrode 1 is several, and horizontal grounding objects 2 is many, see Fig. 3, is fixedly installed a horizontal grounding objects 2 in every bar ground connection ditch; Ground connection ditch width w is 400mm, and ground connection trench depth h1 is 1500mm; Several vertical grounding electrode 1 and many horizontal grounding objects 2 are placed in the periphery of lightning rod 3, horizontal grounding objects 2 two ends are fixedly connected with vertical grounding electrode 1 upper end, at close lightning rod 3 place with ground outlet 5 hot-melt adhesive paste, ground outlet 5 is connected with lightning rod 3, vertical grounding electrode 1 is vertically installed in below ground connection ditch, and vertical grounding electrode length h2 is 2500mm; See Fig. 4, vertical grounding electrode 1 upper end is above ground connection ditch bottom of trench roughly 150mm, and namely vertical grounding electrode exposes ground connection bottom of trench height h4 roughly 150mm; Horizontal grounding objects 2 and vertical grounding electrode 1 upper end are enclosed with resistance reducing agent layer 7, and resistance reducing agent layer thickness h5 is 75mm; Be equipped with mixing water-loss reducer fine earth layer 8 bottom ground connection ditch, mixing water-loss reducer fine earth layer height h3 is 400mm, and mixing water-loss reducer fine earth layer 8 is common back fill course 9 above.
See Fig. 1: the present embodiment vertical grounding electrode 1 is four, horizontal grounding objects 2 is five, and wherein three horizontal grounding objects 2 are connected with ground outlet 5, two ends are connected with vertical grounding electrode 1; Two other horizontal grounding objects 2 is arc, arc horizontal grounding objects 201 two ends are fixedly connected with vertical grounding electrode 1 upper end respectively, five horizontal grounding objects 2 form the ground network of roughly semicircular in shape, arc horizontal grounding objects 201 makes the length of this section of horizontal grounding objects longer than the length of linear horizontal grounding objects, can reduce resistance to greatest extent; Ground outlet 5 is connected with lightning rod 3, is arranged on above lightning rod basis 4 bottom lightning rod 3.The height h6 that ground outlet is basseted is 300mm.Vertical grounding electrode 1 adopts copper covered steel round steel to make; Horizontal grounding objects 2 adopts copper-clad steel strand manufacturing.
The utility model has good water conservation resistance reducing effect, and its construction method is as follows:
A, determine that horizontal grounding objects lays path and vertical grounding electrode lays path: according to design drawing and job site actual conditions before construction, determines that horizontal grounding objects lays path and vertical grounding electrode lays position, adopt at the scene and determine stake and mark is carried out in line.Whether earth electrode lays path and position and jointly confirms together with design, management and civil engineering contractor, checks whether and civil engineering conflict, conflicting, dodging there being the rational method of taking of conflict with ground wire pipeline.Prepare installation drawing, construction tool and associated materials.
B, ground connection ditch excavate: location survey terminates, earthing material arrival and qualified after, carry out ground connection ditch excavation, see Fig. 3, ground connection ditch width w is 400mm, and ground connection trench depth h1 is 1500mm.
C, horizontal grounding objects and vertical grounding electrode manufacture and installation: after ground connection ditch digs, carry out horizontal grounding objects and lay and vertical grounding electrode; Horizontal grounding objects adopts Φ 150mm
2copper covered steel twisted wire, vertical grounding electrode adopts Φ 200mm
2× 2500mm copper covered steel round steel; Vertical grounding electrode being pounded from ground connection bottom of trench and does not excavate soil 6 into underground, exposing about 150mm for being connected with horizontal grounding objects; See Fig. 1, horizontal grounding objects and vertical grounding electrode are adopted hot-melt adhesive paste.
D, Grounding lead-out wire manufacture and installation: ground outlet one end and horizontal grounding objects adopt hot-melt adhesive paste, and the ground outlet other end is connected with lightning rod.
E, parcel resistance reducing agent: according to resistance reducing agent operation instructions, resistance reducing agent and water are pressed the weight ratio mixing of 0.6:1.0, abundant stirring is until become sticky shape, be wrapped in horizontal grounding objects and expose ground connection bottom of trench 150mm vertical grounding electrode surface, make resistance reducing agent layer 7, parcel radius is not less than 75mm, and see Fig. 4, the resistance reducing agent layer thickness h5 namely wrapped up is 75mm.
F, preparation backfill mixing water-loss reducer fine earth: weight ratio Homogeneous phase mixing backfill fine earth and water-loss reducer being pressed 1000:2, lower step is stand-by.
G, ground connection trench backfill and compacting: first report management inspection before ground connection trench backfill, could backfill after qualified.During backfill, with the backfill of step f ready mixing water-loss reducer fine earth bottom ground connection ditch, backfill highly at least will exceed resistance reducing agent upper epidermis 200mm, and preferably mixing water-loss reducer fine earth layer height h3 is 400mm; Spray water while backfill, amount of water is limited with the mixing water-loss reducer fine earth layer 8 that can soak into backfill; Tamping with after former spoil backfill above of mixing water-loss reducer fine earth layer, tamps one time after natural subsidence again.
Vertical grounding electrode spacing is 5m+0.00m; Be sure to the defects such as firm welding, the crack that do not have, pore, sealing-off and solder skip in hot-melt adhesive paste position, weld seam is full, at commissure brush one deck antirust paint after being soldered; Ground outlet copper-clad steel strand manufacturing, the ground outlet exposing outside earth's surface needs to do hot galvanizing preservative treatment, and then surface is coated with red lead and pitch-dark successively again, and pitching paint is all wanted in the ground outlet being positioned at closely top layer, underground; The height that ground outlet is basseted is 0.3m; The resistance reducing agent that step e relates to adopts SML series anti-corrosion type chemical pharmacon for reduced resistance, is obtained by commercial sources; The water-loss reducer that step f relates to adopts polyacrylate water-loss reducer, is obtained by commercial sources.
Claims (5)
1. an arid geology ground network, comprises vertical grounding electrode, horizontal grounding objects, ground outlet and lightning rod; It is characterized in that: also comprise many ground connection ditches; Vertical grounding electrode (1) is for several, and horizontal grounding objects (2) is many, is fixedly installed a horizontal grounding objects (2) in every bar ground connection ditch; Several vertical grounding electrode (1) is placed in the periphery of lightning rod (3) with many horizontal grounding objects (2), horizontal grounding objects (2) two ends are fixedly connected with vertical grounding electrode (1) upper end, connecting near the same ground outlet in lightning rod (3) place (5), ground outlet (5) is connected with lightning rod (3), vertical grounding electrode (1) is vertically installed in below ground connection ditch, and vertical grounding electrode (1) upper end is above ground connection ditch bottom of trench; Horizontal grounding objects (2) and vertical grounding electrode (1) upper end are enclosed with resistance reducing agent layer (7), are equipped with mixing water-loss reducer fine earth layer (8) bottom ground connection ditch, and mixing water-loss reducer fine earth layer (8) is common back fill course (9) above.
2. a kind of arid geology ground network as claimed in claim 1, it is characterized in that: vertical grounding electrode (1) is four, horizontal grounding objects (2) is five, wherein three horizontal grounding objects (2) are connected with ground outlet (5), two ends are connected respectively with vertical grounding electrode (1), two other horizontal grounding objects (2) is arc, arc horizontal grounding objects (201) two ends are fixedly connected with vertical grounding electrode (1) upper end respectively, and five horizontal grounding objects (2) form the ground network of roughly semicircular in shape; Lightning rod (3) bottom is arranged on above lightning rod basis (4).
3. a kind of arid geology ground network as claimed in claim 1, is characterized in that: vertical grounding electrode (1) adopts copper covered steel round steel to make; Horizontal grounding objects (2) adopts copper-clad steel strand manufacturing.
4. the one arid geology ground network as described in claim 1,2 or 3, it is characterized in that: ground connection ditch width (w) is 400mm, ground connection trench depth (h1) is 1500mm.
5. a kind of arid geology ground network as claimed in claim 4, is characterized in that: vertical grounding electrode length (h2) is 2500mm; Resistance reducing agent layer thickness (h5) is 75mm; It is 150mm that vertical grounding electrode exposes ground connection bottom of trench height (h4); Mixing water-loss reducer fine earth layer height (h3) is 400mm; The height (h6) that ground outlet is basseted is 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520174248.XU CN204516912U (en) | 2015-03-26 | 2015-03-26 | Arid geology ground network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520174248.XU CN204516912U (en) | 2015-03-26 | 2015-03-26 | Arid geology ground network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516912U true CN204516912U (en) | 2015-07-29 |
Family
ID=53714852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520174248.XU Withdrawn - After Issue CN204516912U (en) | 2015-03-26 | 2015-03-26 | Arid geology ground network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204516912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159475A (en) * | 2015-03-26 | 2016-11-23 | 中铁二十局集团电务电化工程有限公司 | Arid geology grounded screen and water conservation fall resistance construction method thereof |
| CN106877019A (en) * | 2017-02-15 | 2017-06-20 | 中铁二十局集团电务电化工程有限公司 | A kind of arid geology grounded screen and its construction and application method |
-
2015
- 2015-03-26 CN CN201520174248.XU patent/CN204516912U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159475A (en) * | 2015-03-26 | 2016-11-23 | 中铁二十局集团电务电化工程有限公司 | Arid geology grounded screen and water conservation fall resistance construction method thereof |
| CN106159475B (en) * | 2015-03-26 | 2018-09-21 | 中铁二十一局集团电务电化工程有限公司 | Arid geology grounded screen and its water conservation drop resistance construction method |
| CN106877019A (en) * | 2017-02-15 | 2017-06-20 | 中铁二十局集团电务电化工程有限公司 | A kind of arid geology grounded screen and its construction and application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104577364B (en) | Small-resistance-value grounding grid of large device and design construction method | |
| CN106159475B (en) | Arid geology grounded screen and its water conservation drop resistance construction method | |
| CN103457044B (en) | The earthing device of 10kV distribution network overhead line tower pole and laying method thereof | |
| CN103603368B (en) | Diaphragm wall meets the inverse construction method done of underground utilities | |
| CN204516912U (en) | Arid geology ground network | |
| CN108511930A (en) | A kind of mud stone class geology grounded screen construction technology | |
| CN106877019A (en) | A kind of arid geology grounded screen and its construction and application method | |
| CN102437437B (en) | Grounding resistance reduction process method for sand/gravel area | |
| CN102856671B (en) | Environment-friendly leak-proof moisturizing grounding device and construction method | |
| CN105514750A (en) | Power transmission line grounding construction method | |
| CN108521062A (en) | A kind of mud stone class plant area grounding construction method | |
| CN207069081U (en) | A kind of arid geology grounded screen | |
| CN202550081U (en) | Environment-friendly leakage-proof moisturizing grounding device | |
| CN105098389B (en) | A kind of method and structure reducing ground resistance using Equipment Foundations | |
| CN106785511A (en) | A kind of electric power line pole tower horizontal grounding compound resistance reduction groove and construction method | |
| CN212277424U (en) | Subway comprehensive grounding grid system utilizing building envelope to be naturally grounded | |
| CN104184015A (en) | Installation construction process for grounding device | |
| CN204375987U (en) | The little resistance ground network of main equipment | |
| CN209200165U (en) | A kind of communications equipment room low resistance Combined Protection ground-wire earthing body | |
| CN205975653U (en) | Independent bearing platform structure of soil child mould construction | |
| CN210272711U (en) | Transformer substation's ground net bilayer structure | |
| CN109217061B (en) | Resistance reducing method of grounding grid | |
| CN108429109A (en) | A kind of mud stone class geology Grounding Measure of GSM | |
| CN112350128A (en) | Manufacturing method of grounding device of open-air limestone mine power supply system | |
| CN109361080A (en) | Resistance method efficiently drops in a kind of substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20180921 |
|
| AV01 | Patent right actively abandoned |