CN207081750U - A kind of auxiliary electrode structure for large-scale grounding network grounding resistance measurement - Google Patents
A kind of auxiliary electrode structure for large-scale grounding network grounding resistance measurement Download PDFInfo
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- CN207081750U CN207081750U CN201620841050.7U CN201620841050U CN207081750U CN 207081750 U CN207081750 U CN 207081750U CN 201620841050 U CN201620841050 U CN 201620841050U CN 207081750 U CN207081750 U CN 207081750U
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- support arm
- bearing bracket
- center bearing
- stake
- auxiliary electrode
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- 238000005259 measurement Methods 0.000 title claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000007769 metal material Substances 0.000 claims abstract description 6
- 239000012634 fragment Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 7
- 230000000740 bleeding effect Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a kind of auxiliary electrode structure for large-scale grounding network grounding resistance measurement, it is characterised in that：Center bearing bracket (1) including metal material, center bearing bracket (1) center is provided with positioning hole, central metal stake (2) is provided with positioning hole, is connected respectively with the support arm (4) of 6 equally distributed metal materials by 6 rotational pins (3) on the outside of center bearing bracket (1)；The end of each support arm (4) is equipped with abutment sleeve (5), and side metalline stake (6) is provided with abutment sleeve (5).The utility model can solve the problems, such as existing auxiliary electrode imperfect earth, reduce test interference, improve measuring accuracy, and installation and use are more convenient.
Description
Technical field
It the utility model is related to a kind of auxiliary electrode structure, it is particularly a kind of for large-scale grounding network grounding resistance measurement
Auxiliary electrode structure.
Background technology
Installation measurement auxiliary electrode need to be arranged during large-scale grounding network grounding resistance measurement, typically uses a root long degree 1000mm
~2000mm channel-section steel or angle steel is driven underground, and grounding resistance measurement is carried out to grounded screen.Auxiliary electrode imperfect earth pole itself
Test result is easily influenceed, tester is not carried out effectively measuring, or makes measurement data discreteness larger, can not be judged
Test result.At this moment need to rearrange installation measurement auxiliary electrode, repeatedly adjustment measurement.Auxiliary electrode not only workload is installed
Greatly, and the final test time also greatly prolongs.
Utility model content
The purpose of this utility model is, there is provided a kind of auxiliary electrode knot for large-scale grounding network grounding resistance measurement
Structure.The utility model can solve the problems, such as existing auxiliary electrode imperfect earth, reduce test interference, improve measuring accuracy, and
And installation and use are more convenient.
The technical solution of the utility model：A kind of auxiliary electrode structure for large-scale grounding network grounding resistance measurement, its
Feature is：Center bearing bracket including metal material, center bearing bracket center are provided with positioning hole, central metal stake are provided with positioning hole,
It is connected on the outside of center bearing bracket by support arm of 6 rotational pins respectively with 6 equally distributed metal materials；The end of each support arm
Abutment sleeve is equipped with, side metalline stake is provided with abutment sleeve.
In the above-mentioned auxiliary electrode structure for large-scale grounding network grounding resistance measurement, the center bearing bracket and support arm
Junction is provided with the limitting casing that limitation support arm maximum open-angle is less than 90 °；Center bearing bracket is wound on outside positioning hole provided with a corral
The annular groove of side；The side metalline stake lower end is provided with hollow cavity, and is provided with multiple bleeding holes for being communicated to hollow cavity,
Hollow cavity upper end position is provided with into pore；Support arm is hollow structure, is provided with flexible pipe in support arm, flexible pipe one end is communicated to annular
Groove, the other end passes enters pore insertion hollow cavity after support arm from side metalline stake.
It is previously described in the auxiliary electrode structure of large-scale grounding network grounding resistance measurement, the central metal stake upper end is set
There is pile cover, be provided with position-arresting disk below pile cover, line ball nut be provided between pile cover and position-arresting disk, position-arresting disk is located at determining for center bearing bracket
Above the hole of position, metal spring washer is provided between position-arresting disk and center bearing bracket, locking nut is additionally provided with central metal stake, locked
Nut is located at below the positioning hole of center bearing bracket.Side metalline stake upper end is provided with pile cover, and gold is provided between pile cover and abutment sleeve
Belong to elastic washer, locking nut is additionally provided with the metalline stake of side, locking nut is located at below abutment sleeve.
It is previously described in the auxiliary electrode structure of large-scale grounding network grounding resistance measurement, the support arm passes the position of flexible pipe
Shell fragment is installed, shell fragment pushes down flexible pipe upwards.
Be previously described in the auxiliary electrode structure of large-scale grounding network grounding resistance measurement, the support arm and center bearing bracket it
Between be connected by wire, wire both ends are welded with support arm and center bearing bracket respectively.
It is previously described in the auxiliary electrode structure of large-scale grounding network grounding resistance measurement, 6 side metalline stakes and center
The distance of metalline stake is identical, is 0.8 to 1.2 meter, so as to form 7 equidistant earth points, reduces earth-current to surveying
The interference of examination.
Compared with prior art, the utility model surrounds more distribution sides of central metal stake using 6 side metalline stakes
Formula is attached the earth, the problem of can overcoming traditional auxiliary electrode earthing effect difference, so as to improve large-scale grounding network ground connection electricity
Hinder the precision of measurement.And structure of the present utility model can be packed up easily, carrying is extremely convenient, and during ground connection installation,
Center bearing bracket can be positioned easily to each metalline stake, and without extra measurement, installation is extremely convenient, can greatly improve
Measurement efficiency.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Mark in accompanying drawing for：1- center bearing brackets, 2- central metal stakes, 3- rotational pins, 4- support arms, 5- abutment sleeves, 6-
Side metalline stake, 7- limitting casings, 8- annular grooves, 9- flexible pipes, 10- bleeding holes, 11- enter pore, 12- position-arresting disks, 13- line ball spiral shells
Mother, 14- wires.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment.A kind of auxiliary electrode structure for large-scale grounding network grounding resistance measurement, as shown in Figure 1：Including gold
Belong to the center bearing bracket 1 of material, the center of center bearing bracket 1 is provided with positioning hole, and positioning hole is interior to be provided with central metal stake 2, outside center bearing bracket 1
Side is connected with the support arm 4 of 6 equally distributed metal materials respectively by 6 rotational pins 3；The end of each support arm 4 is equipped with
Abutment sleeve 5, abutment sleeve 5 is interior to be provided with side metalline stake 6.The junction of the center bearing bracket 1 and support arm 4 is provided with limitation support arm
Limitting casing 7 of the 4 maximum open-angles less than 90 ° (under use state, support arm 4 is the low heeling condition in outside)；Set on center bearing bracket 1
There is the annular groove 8 that a corral is wound on the outside of positioning hole；The lower end of side metalline stake 6 is provided with hollow cavity, and provided with multiple
The bleeding holes 10 of hollow cavity is communicated to, hollow cavity upper end position is provided with into pore 11；Support arm 4 is hollow structure, in support arm 4
Provided with flexible pipe 9, the one end of flexible pipe 9 is communicated to annular groove 8, and the other end is inserted after passing support arm 4 from the pore 11 that enters of side metalline stake 6
Enter hollow cavity.The upper end of central metal stake 2 is provided with pile cover, is provided with position-arresting disk 12 below pile cover, pile cover and position-arresting disk 12 it
Between be provided with line ball nut 13, position-arresting disk 12 is located above the positioning hole of center bearing bracket 1, is set between position-arresting disk 12 and center bearing bracket 1
There is metal spring washer, locking nut is additionally provided with central metal stake 2, locking nut is located at below the positioning hole of center bearing bracket 1.
The upper end of side metalline stake 6 is provided with pile cover, and metal spring washer is provided between pile cover and abutment sleeve 5, is also set on side metalline stake 6
There is locking nut, locking nut is located at the lower section of abutment sleeve 5.The position that the support arm 4 passes flexible pipe 9 is provided with shell fragment, shell fragment to
On push down flexible pipe 9.Between the support arm 4 and center bearing bracket 1 by wire 14 be connected, the both ends of wire 14 respectively with support arm 4 and in
Cardiac skeleton 1 welds.6 side metalline stakes 6 are identical with the distance of central metal stake 2, are 0.8 to 1.2 meter.The side gold
Belong to a diameter of 100mm~200mm of stake 6 and central metal stake 2, the length for throwing underground into is 300mm~500mm.
Operation principle of the present utility model：Smooth ground is first found, is then deployed the support arm on center bearing bracket, then
Underground is pressed into after central metal pile protection is entered into positioning hole, then will be pressed into ground after 6 side metalline stake insertion abutment sleeves respectively
Under, in the metalline stake folding process of side, hose end can be pressed into the mouth of pipe automatically under shell fragment effect.Then locking screw is passed through
Mother makes central metal stake and side metalline stake realize closely electrical contact with abutment sleeve and center bearing bracket respectively.Then in annular
Conduction liquid is poured into groove, conduction liquid enters the hollow cavity of side metalline stake along flexible pipe, and enters the earth along bleeding holes
Soil, neighbouring soil is in moist conduction state, can avoid causing metalline stake loose contact because the earth transition is dry.
And the multiple metalline stake composition annular arrays of the utility model, earth-current pair and the interference measured can be reduced, therefore measure essence
Du Genggao.During measurement, electrode only need to be placed in central metal stake, then electrode is compressed and can measured using line ball nut
Work.After being measured, each metalline stake is extracted, lifts center bearing bracket then up, support arm is packed up automatically, and formation is highly convenient for
The shape of carrying, it is very convenient.
Claims (6)
- A kind of 1. auxiliary electrode structure for large-scale grounding network grounding resistance measurement, it is characterised in that：Including metal material Center bearing bracket (1), center bearing bracket (1) center are provided with positioning hole, are provided with central metal stake (2) in positioning hole, center bearing bracket (1) is outside Side is connected with the support arm (4) of 6 equally distributed metal materials respectively by 6 rotational pins (3)；The end of each support arm (4) Abutment sleeve (5) is equipped with, side metalline stake (6) is provided with abutment sleeve (5).
- 2. the auxiliary electrode structure according to claim 1 for large-scale grounding network grounding resistance measurement, it is characterised in that： The junction of the center bearing bracket (1) and support arm (4) is provided with the limitting casing (7) that limitation support arm (4) maximum open-angle is less than 90 °； Center bearing bracket (1) is provided with the annular groove (8) that a corral is wound on the outside of positioning hole；Side metalline stake (6) lower end is provided with Hollow cavity, and multiple bleeding holes (10) for being communicated to hollow cavity are provided with, hollow cavity upper end position is provided with into pore (11)； Support arm (4) is hollow structure, is provided with flexible pipe (9) in support arm (4), flexible pipe (9) one end is communicated to annular groove (8), and the other end is worn Go out after support arm (4) and enter pore (11) insertion hollow cavity from side metalline stake (6).
- 3. the auxiliary electrode structure according to claim 2 for large-scale grounding network grounding resistance measurement, it is characterised in that： Central metal stake (2) upper end is provided with pile cover, is provided with position-arresting disk (12) below pile cover, is provided between pile cover and position-arresting disk (12) Line ball nut (13), position-arresting disk (12) are located above the positioning hole of center bearing bracket (1), position-arresting disk (12) and center bearing bracket (1) it Between be provided with metal spring washer, locking nut is additionally provided with central metal stake (2), locking nut is located at determining for center bearing bracket (1) Below the hole of position；Side metalline stake (6) upper end also is provided with pile cover, and metallic elastic pad is provided between pile cover and abutment sleeve (5) Enclose, locking nut is additionally provided with side metalline stake (6), locking nut is located at below abutment sleeve (5).
- 4. the auxiliary electrode structure according to claim 2 for large-scale grounding network grounding resistance measurement, its feature exists In：The position that the support arm (4) passes flexible pipe (9) is provided with shell fragment, and shell fragment pushes down flexible pipe (9) upwards.
- 5. the auxiliary electrode structure according to claim 1 for large-scale grounding network grounding resistance measurement, it is characterised in that： Between the support arm (4) and center bearing bracket (1) by wire (14) be connected, wire (14) both ends respectively with support arm (4) and center Support (1) welds.
- 6. the auxiliary electrode for large-scale grounding network grounding resistance measurement according to claim 1 to 5 any claim Structure, it is characterised in that：6 side metalline stakes (6) are identical with the distance of central metal stake (2), are 0.8 to 1.2 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620841050.7U CN207081750U (en) | 2016-08-05 | 2016-08-05 | A kind of auxiliary electrode structure for large-scale grounding network grounding resistance measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620841050.7U CN207081750U (en) | 2016-08-05 | 2016-08-05 | A kind of auxiliary electrode structure for large-scale grounding network grounding resistance measurement |
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| Publication Number | Publication Date |
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| CN207081750U true CN207081750U (en) | 2018-03-09 |
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| CN201620841050.7U Active CN207081750U (en) | 2016-08-05 | 2016-08-05 | A kind of auxiliary electrode structure for large-scale grounding network grounding resistance measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066411A (en) * | 2016-08-05 | 2016-11-02 | 国家电网公司 | Auxiliary electrode structure for large-scale grounding network grounding resistance measurement |
-
2016
- 2016-08-05 CN CN201620841050.7U patent/CN207081750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066411A (en) * | 2016-08-05 | 2016-11-02 | 国家电网公司 | Auxiliary electrode structure for large-scale grounding network grounding resistance measurement |
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