CN207069081U - A kind of arid geology grounded screen - Google Patents
A kind of arid geology grounded screen Download PDFInfo
- Publication number
- CN207069081U CN207069081U CN201720136187.7U CN201720136187U CN207069081U CN 207069081 U CN207069081 U CN 207069081U CN 201720136187 U CN201720136187 U CN 201720136187U CN 207069081 U CN207069081 U CN 207069081U
- Authority
- CN
- China
- Prior art keywords
- grounding
- objects
- horizontal
- vertical
- grounding electrode
- 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
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 32
- 239000004576 sand Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 10
- 239000004831 Hot glue Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 24
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
Abstract
A kind of arid geology grounded screen, including vertical grounding electrode, horizontal grounding objects, ground outlet and lightning rod；Also include a plurality of ground connection ditch；Vertical grounding electrode is several, and horizontal grounding objects are a plurality of, and a horizontal grounding objects are fixedly installed in every ground connection ditch；Several vertical grounding electrodes are placed in the periphery of lightning rod with a plurality of horizontal grounding objects, horizontal grounding objects both ends use hot-melt adhesive paste with vertical grounding electrode upper end, ground outlet is connected with lightning rod, the both 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 are enclosed with friction reducer layer with vertical grounding electrode upper end, and ground connection ditch sets mixing water-loss reducer fine earth layer, fine sand backfill layer and metalling or boulder bed from bottom to top successively.It is mainly used in arid area grounding net of transformer substation, can utilize rainwater or artificial watering, keep soil moisture Resistance of Grounding Grids is maintained low resistance.
Description
Technical field
The utility model belongs to the grounded screen construction of field of electricity construction, and in particular in a kind of connecing for arid GEOLOGICAL APPLICATION
Earth mat；The grounded screen can keep grounded screen low resistance horizontal by later stage moisturizing.
Background technology
Arid geology reduces Resistance of Grounding Grids, is always industry problems because soil resistivity is high.Dropped using water conservation
The method of resistance, the effect for reducing grounding resistance can be reached over a period to come, experiment shows, the moisture that water-loss reducer is kept, meeting
Gradually decrease over time, when moisture is reduced to a certain extent, grounding resistance can be raised constantly.
The content of the invention
High for prior art arid geology soil resistivity, water tariff collection the limited time asks when dropping resistance using water conservation
Topic；The purpose of this utility model is to provide a kind of arid geology grounded screen for reducing soil resistivity.
To achieve the above object, the technical scheme that the utility model is taken is as follows：A kind of arid geology grounded screen, including hang down
Direct earth polar, horizontal grounding objects and ground outlet；It is characterized in that：Also include a plurality of ground connection ditch；Vertical grounding electrode to be several,
Horizontal grounding objects are a plurality of, and a horizontal grounding objects are fixedly installed in every ground connection ditch；Several vertical grounding electrodes and a plurality of level
Grounding body is placed in the periphery of lightning rod, and a part of horizontal grounding objects both ends are fixedly connected with vertical grounding electrode upper end, is kept away close
It is connected at thunder pin with ground outlet hot-melt adhesive paste, ground outlet with lightning rod, the both ends of another part horizontal grounding objects
It is fixedly connected respectively with vertical grounding electrode upper end, vertical grounding electrode is vertically installed in below ground connection ditch, and vertical grounding electrode upper end is high
For ground connection ditch bottom of trench；Horizontal grounding objects and vertical grounding electrode upper end are enclosed with friction reducer layer, ground connection ditch from bottom to top according to
Secondary laying mixing water-loss reducer fine earth layer, fine sand backfill layer and metalling or boulder bed.
The construction and application method of the utility model arid geology grounded screen is as follows：A, horizontal grounding objects and vertical ground connection are determined
Path is laid in pole；B, ditch is grounded to excavate；C, horizontal grounding objects and vertical grounding electrode make and installed；D, Grounding lead-out wire
Make and install；E, friction reducer is wrapped up；F, preparation backfill mixing water-loss reducer fine earth；G, it is grounded ditch back-filling in layers and tamps；H, after
Phase is applied.
When later stage is applied, soil moisture is kept using rainwater or artificial watering；Reaching long-term keeps the low of grounded screen to connect
Ground resistance state.
The horizontal grounding objects use copper-clad steel strand wires；The vertical grounding electrode uses copper covered steel round steel.
The utility model is mainly used in arid area traction substation main grounding grid, can be used for traction substation independence
Lightning rod grounded screen, and transformer and distribution station grounded screen.The utility model mainly has advantages below compared with prior art：Backfill
Fine earth processing cost is low；The water holding capacity of backfill mixing water-loss reducer fine earth is strong；Using three layers backfill structures, can utilize rainwater or
Artificial watering, permanent retention soil moisture, makes the grounding resistance of grounded screen maintain low resistance；It is embedded deep to reduce earthing pole
Degree；Reduce grounded screen laying area.
Brief description of the drawings
Fig. 1 is floor plan of the present utility model；
Fig. 2 is Fig. 1 A-A cut-away illustrations；
Fig. 3 is ground connection ditch back-filling in layers cross-sectional view；
Fig. 4 is ground connection ditch back-filling in layers profilograph.
In figure：1-vertical grounding electrode；2-horizontal grounding objects, 201-arc horizontal grounding objects；3-lightning rod；4-keep away
Thunder pin basis；5-ground outlet；6-soil is not excavated；7-friction reducer layer；8-mixing water-loss reducer fine earth layer；9-fine sand
Backfill layer；10-metalling or boulder bed；H1-ground connection trench depth；H2-vertical grounding electrode length；H3-mixing water-loss reducer is thin
Soil thickness；H4-vertical grounding electrode exposes ground connection bottom of trench height；H5-friction reducer thickness degree；H6-ground outlet exposes ground
The height in face；H7-fine sand layer thickness；H8-rubble or boulder bed thickness；W-ground connection ditch width.
Embodiment
As shown in Figures 1 and 2：A kind of arid geology grounded screen, including vertical grounding electrode 1, horizontal grounding objects 2, grounding lead
Outlet 5 and lightning rod 3；Also include a plurality of ground connection ditch；For vertical grounding electrode 1 to be several, horizontal grounding objects 2 are a plurality of, referring to Fig. 3,
A horizontal grounding objects 2 are fixedly installed in every ground connection ditch；It is 400mm to be grounded ditch width w, and ground connection trench depth h1 is 1200mm；
Several vertical grounding electrodes 1 and a plurality of horizontal grounding objects 2 are placed in the periphery of lightning rod 3, a part of both ends of horizontal grounding objects 2 with it is vertical
The upper end of earthing pole 1 is fixedly connected, and is using hot-melt adhesive paste with ground outlet 5 at lightning rod 3, ground outlet 5 is with keeping away
Thunder pin 3 is connected, and the both ends of another part horizontal grounding objects 2 are fixedly connected with the upper end of vertical grounding electrode 1 respectively, and vertical grounding electrode 1 hangs down
Straight to be arranged at below ground connection ditch, vertical grounding electrode length h2 is 2500mm；Referring to Fig. 4, the upper end of vertical grounding electrode 1 is above ground connection
Ditch bottom of trench substantially 150mm, i.e. vertical grounding electrode expose ground connection bottom of trench height h4 substantially 150mm；Horizontal grounding objects 2 and vertical ground connection
The upper end of pole 1 is enclosed with friction reducer layer 7, and friction reducer thickness degree h5 is 75mm；It is grounded ditch and lays mixing guarantor successively from bottom to top
Aqua fine earth layer 8, fine sand backfill layer 9 and metalling or boulder bed 10.
Referring to Fig. 3：Mixing water-loss reducer fine earth layer height h3 be 400mm, and it is 600mm that fine sand, which backfills layer height h7, rubble or
Cobble layer height h8 is 200mm.
Referring to Fig. 1：The present embodiment vertical grounding electrode 1 is four, and horizontal grounding objects 2 are five, wherein three horizontal groundings
Body 2 is connected with ground outlet 5, both ends and vertical grounding electrode 1 connect；Two other horizontal grounding objects 2 are arc, and arc is horizontal
The both ends of grounding body 201 are fixedly connected with the upper end of vertical grounding electrode 1 respectively, and five horizontal grounding objects 2 form substantially semicircular in shape
Grounded screen, arc horizontal grounding objects 201 make the length of this section of horizontal grounding objects longer than the length of linear horizontal grounding objects, can
Resistance is reduced to greatest extent；Ground outlet 5 is connected with lightning rod 3, and the bottom of lightning rod 3 is arranged on above lightning rod basis 4.
Referring to Fig. 2：The height h6 that the present embodiment ground outlet is basseted is 300mm.Vertical grounding electrode 1 uses copper-clad
Steel round steel makes；Horizontal grounding objects 2 use copper-clad steel strand manufacturing.
Arid geology grounded screen provided by the utility model, its water conservation drop resistance construction and application method, comprises the following steps：
A, horizontal grounding objects laying path and vertical grounding electrode laying path are determined：According to design drawing and construction before construction
On-site actual situations, horizontal grounding objects laying path and vertical grounding electrode laying position are determined, uses determine stake and line at the scene
Carry out mark.Earthing pole, which lays path and position, to be confirmed jointly with design, management and civil engineering contractor, check whether and civil engineering
Conflict, and if ground wire pipeline conflict, take rational method to avoid to have a conflict.Prepare installation drawing, construction tool and phase
Close material.
B, ditch is grounded to excavate：Location survey terminates, earthing material arrival and it is qualified after, carry out be grounded ditch excavate, referring to
Fig. 3, ground connection ditch width w is 400mm, and ground connection trench depth h1 is 1200mm.
C, horizontal grounding objects and vertical grounding electrode make and installed：Ground connection ditch dig after, carry out horizontal grounding objects laying with
Vertical grounding electrode；Horizontal grounding objects use Φ 150mm2Copper-clad steel strand wires, vertical grounding electrode use Φ 200mm2× 2500mm copper-clads
Steel round steel；Vertical grounding electrode is pounded from ground connection bottom of trench and do not excavate soil 6 into underground, exposes 150mm or so and is used for and horizontal grounding
Body connects；Referring to Fig. 1, horizontal grounding objects and vertical grounding electrode are used into hot-melt adhesive paste.
D, Grounding lead-out wire makes and installed：Ground outlet one end uses hot-melt adhesive paste with horizontal grounding objects,
The ground outlet other end is connected with lightning rod.
E, friction reducer is wrapped up：According to friction reducer operation instructions, friction reducer and water are pressed 0.6:1.0 weight ratio mixing,
It is sufficiently stirred until into sticky shape, is wrapped in horizontal grounding objects and exposes ground connection bottom of trench 150mm vertical grounding electrode surface, be made
Friction reducer layer 7, parcel radius are not less than 75mm, and referring to Fig. 4, that is, the friction reducer thickness degree h5 wrapped up is 75mm.
F, preparation backfill mixing water-loss reducer fine earth：Fine earth will be backfilled and water-loss reducer presses 1000:2 weight mixes than uniformly,
Lower step is stand-by.
G, ditch backfill and compacting are grounded：Management inspection is first reported before being grounded ditch backfill, could be backfilled after qualified.During backfill,
It is grounded ditch bottom to be backfilled with the ready mixing water-loss reducer fine earths of step f, mixing water-loss reducer fine earth layer backfill height h3 is
400mm, tamped one time after backfill；Spray water while backfill, amount of water are can moisten the mixing water-loss reducer fine earth layer 8 of backfill
Limit；Backfilled above mixing water-loss reducer fine earth layer with fine sand, one time is tamped after backfill and is fabricated to fine sand backfill layer, backfill height h7
For 600mm；Backfilled above fine sand layer with rubble or cobble, be fabricated to metalling or boulder bed, backfill height h8 is 200mm.
H, the later stage is applied：When later stage is applied, soil moisture is kept using rainwater or artificial watering；Reach long-term to keep connecing
The low grounding resistance state of earth mat.
Vertical grounding electrode spacing is 5m+0.00m；Hot-melt adhesive paste position is sure to firm welding, should not there is crack, stomata, de-
The defects of weldering and solder skip, weld seam is full, and one layer of antirust paint is brushed in commissure after being soldered；Ground outlet copper-clad steel strand wires system
Make, exposing outside the ground outlet of earth's surface needs to do galvanizing preservative treatment, then again surface apply successively red lead with it is pitch-dark, be located at
Underground is intended to pitching paint close to the ground outlet of surface layer；The height that ground outlet is basseted is 0.3m；Step e is related to
And friction reducer use SML series anti-corrosion type chemical pharmacon for reduced resistance, obtained by commercial sources；The water-loss reducer that step f is related to uses
Polyacrylate water-loss reducer, is obtained by commercial sources.
Claims (5)
1. a kind of arid geology grounded screen, including vertical grounding electrode, horizontal grounding objects, ground outlet and lightning rod；Its feature
It is：Also include a plurality of ground connection ditch；Vertical grounding electrode（1）To be several, horizontal grounding objects（2）It is solid in every ground connection ditch to be a plurality of
One horizontal grounding objects is set surely（2）；Several vertical grounding electrodes（1）With a plurality of horizontal grounding objects（2）It is placed in lightning rod（3）It is outer
Enclose, a part of horizontal grounding objects（2）Both ends and vertical grounding electrode（1）Upper end is fixedly connected, close to lightning rod（3）Place is the same as ground connection
Lead-out wire（5）Connection, ground outlet（5）With lightning rod（3）Connection, another part horizontal grounding objects（2）Both ends are respectively with hanging down
Direct earth polar（1）Upper end is fixedly connected, vertical grounding electrode（1）It is vertically installed in below ground connection ditch, vertical grounding electrode（1）Upper end is high
For ground connection ditch bottom of trench；Horizontal grounding objects（2）With vertical grounding electrode（1）Upper end is enclosed with friction reducer layer（7）, ditch is grounded from bottom
Lay mixing water-loss reducer fine earth layer successively to top（8）, fine sand backfill layer（9）With metalling or boulder bed（10）.
A kind of 2. arid geology grounded screen as claimed in claim 1, it is characterised in that：Vertical grounding electrode（1）It is horizontal for four
Grounding body（2）For five, wherein three horizontal grounding objects（2）With ground outlet（5）Connection, both ends and vertical grounding electrode（1）
Connect respectively, two other horizontal grounding objects（2）For arc, arc horizontal grounding objects（201）Both ends respectively with vertical grounding electrode
（1）Upper end is fixedly connected, five horizontal grounding objects（2）The grounded screen of composition substantially semicircular in shape；Lightning rod（3）Bottom is arranged on
Lightning rod basis（4）Above.
A kind of 3. arid geology grounded screen as claimed in claim 1, it is characterised in that：Vertical grounding electrode（1）Using copper covered steel
Round steel makes；Horizontal grounding objects（2）Using copper-clad steel strand manufacturing.
A kind of 4. arid geology grounded screen as described in claim 1,2 or 3, it is characterised in that：It is 400mm to be grounded ditch width w,
It is 1200mm to be grounded trench depth h1.
A kind of 5. arid geology grounded screen as claimed in claim 4, it is characterised in that：Vertical grounding electrode length（h2）For
2500mm；Friction reducer thickness degree（h5）For 75mm；Vertical grounding electrode exposes ground connection bottom of trench height（h4）For 150mm；Mix water conservation
Agent fine earth layer height（h3）For 400mm, fine sand backfill layer height h7 is 600mm, and rubble or cobble layer height h8 are 200mm；Connect
The height that ground lead-out wire bassets（h6）For 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720136187.7U CN207069081U (en) | 2017-02-15 | 2017-02-15 | A kind of arid geology grounded screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720136187.7U CN207069081U (en) | 2017-02-15 | 2017-02-15 | A kind of arid geology grounded screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207069081U true CN207069081U (en) | 2018-03-02 |
Family
ID=61502003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720136187.7U Expired - Fee Related CN207069081U (en) | 2017-02-15 | 2017-02-15 | A kind of arid geology grounded screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207069081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-02-15 CN CN201720136187.7U patent/CN207069081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 | |
| CN107587557A (en) | Outdoor water engineering construction method | |
| CN106159475B (en) | Arid geology grounded screen and its water conservation drop resistance construction method | |
| CN201498612U (en) | Earthing device for reducing earth resistance of power transmission line by utilizing tower foundation | |
| CN106522242A (en) | Foundation pit supporting system for subsurface structure close to soft ground stratum and construction method of foundation pit supporting system | |
| CN106877019A (en) | A kind of arid geology grounded screen and its construction and application method | |
| CN211556167U (en) | Earthing device suitable for rock area | |
| CN102437437B (en) | Grounding resistance reduction process method for sand/gravel area | |
| CN108511930A (en) | A kind of mud stone class geology grounded screen construction technology | |
| CN102856671B (en) | Environment-friendly leak-proof moisturizing grounding device and construction method | |
| CN207069081U (en) | A kind of arid geology grounded screen | |
| CN108521062A (en) | A kind of mud stone class plant area grounding construction method | |
| CN204516912U (en) | Arid geology ground network | |
| CN201383556Y (en) | Deep well grounding resistance-reducing device | |
| CN101035324A (en) | Ground network reconstruction method of the communication base station | |
| CN106785511A (en) | A kind of electric power line pole tower horizontal grounding compound resistance reduction groove and construction method | |
| CN105098389B (en) | A kind of method and structure reducing ground resistance using Equipment Foundations | |
| CN109755839A (en) | Rock geology condition large-scale power station Grounding Measure of GSM | |
| CN204375987U (en) | The little resistance ground network of main equipment | |
| CN212277424U (en) | Subway comprehensive grounding grid system utilizing building envelope to be naturally grounded | |
| CN205975653U (en) | Independent bearing platform structure of soil child mould construction | |
| CN206385549U (en) | For soft stratum close to underground structure foundation pit supporting system | |
| CN205637789U (en) | Portable wire pole | |
| CN110277661B (en) | Lightning protection grounding construction method capable of continuously maintaining without secondary groove digging | |
| CN208311644U (en) | For the foundation pit flexible pipe line aerial construction across slope structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |