CN212159948U - Electrode structure for measuring grounding resistance of large grounding grid - Google Patents
Electrode structure for measuring grounding resistance of large grounding grid Download PDFInfo
- Publication number
- CN212159948U CN212159948U CN202020770694.8U CN202020770694U CN212159948U CN 212159948 U CN212159948 U CN 212159948U CN 202020770694 U CN202020770694 U CN 202020770694U CN 212159948 U CN212159948 U CN 212159948U
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- Prior art keywords
- electrode structure
- erection column
- connecting plate
- measuring
- ground resistance
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- 230000001681 protective effect Effects 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 239000010949 copper Substances 0.000 abstract description 7
- 239000002689 soil Substances 0.000 description 18
- 230000002349 favourable effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 125000003003 spiro group Chemical group 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a be used for large-scale ground net ground resistance measuring electrode structure relates to the technical field of earthing device, has solved the possibility that the damage appears in the copper layer easily, and its technical scheme main points are: including the pile head, pile head top intermediate position is provided with the erection column, erection column periphery side adapter sleeve, the adapter sleeve includes a plurality of curved connecting plates, the erection column is provided with and is used for driving the actuating mechanism of connecting plate towards keeping away from the motion of erection column direction, adapter sleeve periphery side cover is equipped with the lag, the erection column top is provided with the terminal, has the possibility that reduces the copper layer and appear damaging.
Description
Technical Field
The utility model belongs to the technical field of earthing device's technique and specifically relates to an electrode structure for large-scale ground net ground resistance measurement is related to.
Background
The test content of the grounding resistance is required to be carried out in a plurality of engineering constructions, which is the key content for ensuring the smooth construction of the engineering and is the key point for ensuring the normal operation of an engineering power system, and the grounding resistance test is carried out in the form of a grounding grid.
At present, the chinese utility model patent with publication number CN209045786U discloses a grounding grid, which includes grid lines. The grid lines are welded with grounding leads and are provided with grid members, the grid members are welded at the upper ends of the grounding piles to form grounding electrodes, grid line assemblies and the grounding electrode members can be prefabricated in a workshop, when the grid members are assembled on a construction site, each grid intersection point is provided with two grid lines and one grid member, the two grid lines are required to be welded on the grid members, accordingly, the grounding grid is formed, and the two grid lines, the grid members and the grid intersection points are welded by adopting a tin soldering process.
The copper-clad steel bar has better conductivity and corrosion resistance, so that the traditional grounding grid generally takes the steel bar with a copper-clad bar body as a grounding pile. However, when there are many small stones in the soil, the copper layer on the surface of the grounding pile may be damaged by touching the stones during the downward plugging process of the grounding pile, which may affect the conductive effect of the grounding pile.
SUMMERY OF THE UTILITY MODEL
To the deficiency of prior art, the utility model aims at providing an electrode structure for large-scale ground net ground resistance measurement has the possibility that reduces the copper layer and appear damaging.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an electrode structure for large-scale ground net ground resistance measurement, includes the pile head, pile head top intermediate position is provided with the erection column, erection column periphery side adapter sleeve, the adapter sleeve includes a plurality of curved connecting plates, the erection column is provided with and is used for driving the actuating mechanism of connecting plate towards keeping away from the motion of erection column direction, adapter sleeve periphery side cover is equipped with the lag, the erection column top is provided with the terminal.
By adopting the technical scheme, the connecting sleeve consists of the connecting plate, the protecting sleeve is sleeved on the peripheral side of the connecting sleeve, and the connecting plate is protected by the protecting sleeve when in use, so that the connecting plate is prevented from contacting with stones in soil in the process of inserting the electrode structure into the soil, and the possibility of damage to the connecting plate is reduced; when the electrode structure finishes inserting, take out the lag, rethread actuating mechanism drive connecting plate is towards keeping away from the erection column direction motion, until the connecting plate contacts with soil, realizes the purpose of electrode structure ground connection.
The present invention may be further configured in a preferred embodiment as: the arc-shaped concave side of the connecting plate is provided with a guide plate, and the guide plate is connected to the mounting column in a sliding mode.
Through adopting above-mentioned technical scheme, deflector sliding connection is in the guide way during the use, is favorable to restricting the connecting plate direction of motion.
The present invention may be further configured in a preferred embodiment as: the driving mechanism comprises a driving rod and a driving surface, a sliding groove which upwards penetrates to the outside is formed in the middle of the mounting column, the driving rod is connected to the sliding groove in a sliding mode, the driving surface is arranged on the top of the guide plate and far away from one side of the connecting plate, and the bottom of the driving rod is abutted to the driving surface.
Through adopting above-mentioned technical scheme, press the actuating lever during the use, the actuating lever promotes the connecting plate through the driving surface and moves towards keeping away from the erection column direction, is favorable to connecting plate and soil to contact.
The present invention may be further configured in a preferred embodiment as: and a spring is arranged between the oppositely arranged guide plates and is positioned below the driving surface.
Through adopting above-mentioned technical scheme, when the spring shrink, the spring drives the deflector and moves towards the erection column direction, is favorable to making the connecting plate keep laminating in the state of erection column periphery side.
The present invention may be further configured in a preferred embodiment as: the actuating lever top swivelling joint has the fixed column, the fixed slot has been seted up to spout top week cell wall intercommunication, the fixed column spiro union in fixed slot.
Through adopting above-mentioned technical scheme, rotatory fixed column during the use, the actuating lever downstream under the drive of fixed column, on the one hand can drive the actuating lever, and on the other hand can keep the state of actuating lever.
The present invention may be further configured in a preferred embodiment as: the side wall of the pile head top is provided with an installation groove, and the protective sleeve is in threaded connection with the installation groove.
Through adopting above-mentioned technical scheme, the lag spiro union is in the mounting groove, is favorable to fixed lag, keeps the protection cover to the protection of adapter sleeve in the electrode structure grafting in soil in-process.
The present invention may be further configured in a preferred embodiment as: reinforcing teeth are arranged on the arc-shaped convex side of the connecting plate at uniform intervals, an annular rotating groove is formed in the protecting sleeve, and the reinforcing teeth slide in the rotating groove.
Through adopting above-mentioned technical scheme, when the connecting plate contacted with soil, consolidate the tooth and peg graft in soil, be favorable to promoting the area of contact of connecting plate and soil and promote the steadiness of electrode structure.
The present invention may be further configured in a preferred embodiment as: the binding post is in threaded connection with the top of the mounting post.
Through adopting above-mentioned technical scheme, the device that resistance measurement used passes through the wire and connects in the terminal, realizes being connected with electrode structure, and the terminal spiro union is in the erection column top, is favorable to the terminal to adapt to different attach fitting's wire.
To sum up, the utility model discloses a following at least one beneficial effect:
1. when the electrode structure is inserted into soil, the connecting plate forming the connecting sleeve is protected by the protecting sleeve, so that the possible damage caused by the contact of the connecting plate and stones can be reduced, when the electrode structure is inserted, the protecting sleeve is taken out, the connecting plate is driven by the driving mechanism to move towards one side far away from the mounting column until the connecting plate is contacted with the soil, the grounding of the electrode structure is realized, and the normal use of the electrode structure is not influenced;
2. through pressing the actuating lever for the actuating lever passes through the driving surface and promotes the connecting plate motion, and actuating lever swivelling joint has the fixed column, and the fixed column is favorable to the state of fixed actuating lever with fixed slot looks spiro union.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an exploded view of the present embodiment;
fig. 3 is a schematic sectional view of the inside of the year of the present embodiment.
Reference numerals: 1. pile head; 2. mounting a column; 3. connecting sleeves; 4. a connecting plate; 5. a drive mechanism; 501. a drive rod; 502. a drive face; 6. a protective sleeve; 7. a binding post; 8. a guide plate; 9. a guide groove; 10. a chute; 11. a spring; 12. fixing a column; 13. fixing grooves; 14. mounting grooves; 15. reinforcing teeth; 16. a rotating trough.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an electrode structure for large-scale ground net ground resistance measurement, including pile head 1. The pile head 1 is in a conical structure, and the resistance encountered when the electrode structure is inserted into soil is reduced through the pile head 1 during use.
Referring to fig. 2, a mounting column 2 is fixed at the middle position of the top of the pile head 1, and the mounting column 2 is made of copper materials. The periphery of the mounting column 2 is sleeved with a connecting sleeve 3, and the connecting sleeve 3 is made of copper and iron. The connecting sleeve 3 comprises a plurality of arc-shaped connecting plates 4 which are matched with each other, and the arc-shaped convex side of each connecting plate 4 faces to the side far away from the mounting column 2.
Referring to fig. 2 and 3, a guide plate 8 is fixedly connected to the middle portion of the arc-shaped concave side of the connecting plate 4, and the guide plate 8 extends along the length direction of the connecting plate 4. Guide way 9 has been seted up to erection column 2, and deflector 8 sliding connection contacts in guide way 9 and deflector 8 and 9 cell walls of guide way. When the guide plate 8 is completely slid into the guide groove 9, the arc-shaped inner concave surface of the connecting plate 4 is in contact with the outer peripheral side of the mounting post 2. The periphery side of the connecting sleeve 3 is sleeved with a protecting sleeve 6, and the protecting sleeve 6 is made of steel and is used for protecting the connecting sleeve 3.
Referring to fig. 2 and 3, a mounting groove 14 is formed on the periphery of the top of the pile head 1, and the inner wall of the bottom of the protective sleeve 6 is screwed to the wall of the mounting groove 14 to fix the protective sleeve 6. When the electrode structure is inserted underground, the protective sleeve 6 is rotated so that the protective sleeve 6 is separated from the pile head 1, and then the protective sleeve 6 is pulled upwards. The erection column 2 is provided with actuating mechanism 5, takes out the back when lag 6, through actuating mechanism 5 drive connecting plate 4, moves towards keeping away from 2 directions of erection column, until contacting with soil, realizes electrode structure's ground connection.
Referring to fig. 2 and 3, the driving mechanism 5 includes a driving rod 501 and a driving surface 502, a sliding slot 10 extending along the length direction is formed in the middle of the mounting post 2, and the sliding slot 10 is communicated with the guide groove 9. When the connecting plate 4 contacts with the outer periphery of the mounting post 2, the side of the guide plate 8 far away from the connecting plate 4 is positioned in the sliding groove 10. The driving surface 502 is obliquely arranged on the top of the guide plate 8, and the driving rod 501 slides up and down on the sliding chute 10. When the soil-pressure-resistant guide rod is used, the driving rod 501 is pressed downwards, the driving rod 501 abuts against the driving surface 502 in the pressing process, and the guide rod is pushed by the driving surface 502 to slide towards the side far away from the mounting column 2 along with the continuous downward pressing of the driving rod 501 until the connecting plate 4 is in contact with soil.
Referring to fig. 2 and 3, the top of the driving rod 501 is rotatably connected with a fixing column 12, and the circumferential side of the top of the sliding chute 10 is communicated with a groove wall to form a fixing groove 13. When in use, the fixing column 12 is screwed on the fixing groove 13, so that the position of the driving rod 501 is fixed, and the state of the connecting plate 4 is kept. The top of the mounting column 2 is screwed with a binding post 7 for connecting an external wire.
Referring to fig. 2 and 3, preferably, the number of the connecting plates 4 is even, a spring 11 is arranged between two opposite guide plates 8, and two ends of the spring 11 are respectively fixed with the guide plates 8. The springs 11 are positioned below the guide surface and the upper and lower adjacent springs 11 are arranged at intervals. When the fixed column 12 is separated from the fixed groove 13, the spring 11 contracts to drive the guide plate 8 to move towards the mounting column 2 until the connecting plate 4 abuts against the outer peripheral side of the mounting column 2, so that the contact state of the connecting plate 4 and the mounting column 2 is favorably maintained.
Referring to fig. 2 and 3, a plurality of reinforcing teeth 15 are uniformly arranged on the outer peripheral side of the connecting plate 4 at intervals for reinforcing the connection stability of the connecting plate 4 and soil. The inner wall of the protective sleeve 6 is provided with an annular rotating groove 16, and when the protective sleeve 6 is taken out, the reinforcing teeth 15 are slidably connected with the rotating groove 16.
The implementation principle of the embodiment is as follows:
referring to figures 2 and 3, in use, the electrode structure is inserted into the soil, the shield 6 is then rotated so that the shield 6 is separated from the pile head 1, and the shield 6 is pulled upwardly. Then, the driving rod 501 is pressed downwards, the guide plate 8 is driven to move towards the direction away from the mounting post 2 through the driving surface 502 until the connecting plate 4 is in contact with soil, the fixing post 12 is rotated at the same time, and the connecting plate 4 is fixed through the screwing of the fixing post 12 and the fixing groove 13. And finally, an external lead is connected to the wiring terminal 7, the whole using process is simple and convenient, and the electrode structure is inserted into the soil and protects the connecting plate 4 through the protective sleeve 6, so that the possibility of damage to the copper connecting plate 4 is reduced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an electrode structure for large-scale ground net ground resistance measures, includes pile head (1), its characterized in that: pile head (1) top intermediate position is provided with erection column (2), erection column (2) periphery side adapter sleeve (3), adapter sleeve (3) comprise a plurality of curved connecting plates (4), erection column (2) are provided with and are used for driving drive mechanism (5) of connecting plate (4) towards keeping away from erection column (2) direction motion, adapter sleeve (3) periphery side cover is equipped with lag (6), erection column (2) top is provided with terminal (7).
2. The electrode structure for measuring the ground resistance of the large-scale grounding grid according to claim 1, wherein: the arc-shaped concave side of the connecting plate (4) is provided with a guide plate (8), and the guide plate (8) is connected to the mounting column (2) in a sliding mode.
3. The electrode structure for measuring the ground resistance of the large-scale grounding grid according to claim 2, wherein: actuating mechanism (5) are including actuating lever (501) and drive face (502), upwards run through to external spout (10) are seted up at erection column (2) middle part, actuating lever (501) sliding connection is in spout (10), drive face (502) are seted up and are kept away from connecting plate (4) one side at deflector (8) top, actuating lever (501) bottom butt in drive face (502).
4. The electrode structure for measuring the ground resistance of the large-scale grounding grid according to claim 3, wherein: a spring (11) is arranged between the oppositely arranged guide plates (8), and the spring (11) is positioned below the driving surface (502).
5. The electrode structure for measuring the ground resistance of the large-scale grounding grid according to claim 4, wherein: the top of the driving rod (501) is rotatably connected with a fixing column (12), the side groove walls of the periphery of the top of the sliding groove (10) are communicated with each other to form a fixing groove (13), and the fixing column (12) is in threaded connection with the fixing groove (13).
6. The electrode structure for measuring the ground resistance of the large-scale grounding grid according to claim 1, wherein: mounting grooves (14) are formed in the side groove walls of the top of the pile head (1) in the circumferential direction, and the protective sleeve (6) is in threaded connection with the mounting grooves (14).
7. The electrode structure for measuring the ground resistance of the large-scale grounding grid according to claim 1, wherein: reinforcing teeth (15) are uniformly arranged on the arc-shaped convex side of the connecting plate (4) at intervals, an annular rotating groove (16) is formed in the protecting sleeve (6), and the reinforcing teeth (15) slide in the rotating groove (16).
8. The electrode structure for measuring the ground resistance of the large-scale grounding grid according to claim 1, wherein: the binding post (7) is screwed on the top of the mounting post (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770694.8U CN212159948U (en) | 2020-05-11 | 2020-05-11 | Electrode structure for measuring grounding resistance of large grounding grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770694.8U CN212159948U (en) | 2020-05-11 | 2020-05-11 | Electrode structure for measuring grounding resistance of large grounding grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212159948U true CN212159948U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020770694.8U Expired - Fee Related CN212159948U (en) | 2020-05-11 | 2020-05-11 | Electrode structure for measuring grounding resistance of large grounding grid |
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| CN (1) | CN212159948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117673780A (en) * | 2024-02-01 | 2024-03-08 | 任丘市召明电力设备有限公司 | Transformer grounding electrode and embedded equipment thereof |
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2020
- 2020-05-11 CN CN202020770694.8U patent/CN212159948U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117673780A (en) * | 2024-02-01 | 2024-03-08 | 任丘市召明电力设备有限公司 | Transformer grounding electrode and embedded equipment thereof |
| CN117673780B (en) * | 2024-02-01 | 2024-04-30 | 任丘市召明电力设备有限公司 | Transformer grounding electrode and embedded equipment thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20201215 |