CN220855033U - Electrified detecting system for single-end grounding loop resistance of cable - Google Patents
Electrified detecting system for single-end grounding loop resistance of cable Download PDFInfo
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- CN220855033U CN220855033U CN202322303744.8U CN202322303744U CN220855033U CN 220855033 U CN220855033 U CN 220855033U CN 202322303744 U CN202322303744 U CN 202322303744U CN 220855033 U CN220855033 U CN 220855033U
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- 238000001514 detection method Methods 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 229920000742 Cotton Polymers 0.000 claims abstract description 16
- 238000012360 testing method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a live detection system for a single-end grounding loop resistor of a cable, which relates to the technical field of detection for the grounding loop resistor of the cable. According to the grounding resistance tester, the placing groove, the grounding electrode, the vertical rods, the cleaning cylinder, the wiping cotton, the pushing mechanism, the pushing supporting mechanism and the rotary wiping mechanism, the grounding electrode can be cleaned rapidly when the grounding electrode is taken out, the influence of dirt on the surface of the grounding electrode on the conductive effect of the grounding electrode is avoided as much as possible, and the testing precision of the grounding resistance is ensured.
Description
Technical Field
The utility model relates to the technical field of cable grounding loop resistance detection, in particular to a live detection system for a single-end grounding loop resistance of a cable.
Background
The resistance detection of cable ground return circuit can ensure that cable system's earth performance is good, good ground return circuit resistance can help in time releasing the electric current to underground, avoid the electric current to cause the electric shock danger through human body or equipment, ensure the safety of personnel and equipment, and present ground resistance detection generally uses with the help of ground resistance tester, the resistance tester is through inserting test instrument in the one end of cable, use the earth electrode to ground test instrument and ground simultaneously, form a test return circuit, the test signal of a specific frequency can be output to the tester at this moment, this signal can pass through the cable and transmit the other end to flow back to ground through the earth electrode, form a return circuit, and show the testing value on the tester.
The ground resistance tester needs to wipe the outside of the ground electrode before using, avoids the reduction of the conductive effect caused by impurity stains and the like as far as possible, and the operators need to wipe manually before using at present, so that the detection time is consumed, and meanwhile, the wiping comprehensiveness is insufficient.
Disclosure of utility model
The present utility model has been made in view of the above-mentioned problems with the conventional cable single-end ground loop resistance live detection system.
Therefore, the utility model aims to provide a live detection system for the single-end ground loop resistance of a cable, which solves the problems that the ground resistance tester needs to wipe the outer side of a ground electrode before use, so as to avoid the reduction of the conductive effect caused by impurity stains and the like as much as possible, and the operator needs to wipe manually before use at present, so that the detection time is consumed.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model provides a cable unilateral earth return circuit resistance live detection system, includes resistance tester and the earth electrode that communicates with resistance tester, the standing groove that the cooperation earth electrode was placed has all been seted up at resistance tester's top both ends, the cavity has been seted up to resistance tester's inside lower extreme, the inner wall bottom of standing groove rotates wears to be equipped with the montant, the top of montant is equipped with the cleaning cylinder, the inner wall of cleaning cylinder inlays and has wipes cotton, the lower extreme of earth electrode set up in wipe cotton, through the rotation of cleaning cylinder, can wipe earth electrode when earth electrode takes out, the guiding effect of earth electrode is influenced to the spot when guaranteeing resistance detection;
A push plate is fixedly arranged at the upper end of the outer side of the grounding electrode, and a pushing mechanism for pushing the grounding electrode to longitudinally move is arranged at the bottom of the push plate;
The lower end of the vertical rod penetrates into the cavity, and a rotary wiping mechanism for driving the cleaning cylinder to rotate is arranged.
Preferably, the pushing mechanism comprises a screw rod, the screw rod is rotationally arranged at the bottom of the inner wall of the placing groove, a first round gear is fixedly sleeved at the lower end of the screw rod and penetrates into the cavity, a pushing frame is sleeved at the upper end of the outer side of the screw rod in a threaded manner, the top of the pushing frame is in contact connection with the pushing plate, a rack is meshed with the back side of the first round gear, a pushing supporting mechanism for pushing the rack to transversely move is arranged at the back side of the rack, and the rack can drive the first round gear to drive the screw rod to rotate when being transversely pushed, so that the pushing frame longitudinally moves and pushes the grounding resistor out for use.
Preferably, the pushing support mechanism comprises a sliding rod, a bar-shaped through hole is formed in the back side of the cavity, the sliding rod is slidably arranged in the bar-shaped through hole, the rear end of the sliding rod is located on the outer side, the sliding rod is fixedly connected with the rack, two sides of the rod wall of the sliding rod are fixedly connected with the inner wall of the bar-shaped through hole through springs, and the rack can be guaranteed to perform stable transverse movement through sliding fit of the sliding rod, the rack and the bar-shaped through hole.
Preferably, the rotary wiping mechanism comprises a second circular gear, the second circular gear is fixedly sleeved at the lower end of the vertical rod and is meshed with the rack, when the rack moves, the second circular gear can be meshed to enable the cleaning cylinder to rotate, so that the ground electrode can be cleaned by the rotation of wiping cotton when pushed out, the surface of the ground electrode is neat, and the subsequent detection precision is improved.
Further, the thread groove is formed in the bottom of the cleaning cylinder, threads are formed in the upper end of the rod wall of the vertical rod, the threads are arranged in the thread groove, the cleaning cylinder can be disassembled, and the cleaning cylinder is convenient to replace the cleaning cotton.
Preferably, the wiping cotton is fixedly adhered to the inner wall of the cleaning cylinder.
Preferably, the bottom of resistance tester is fixed to be equipped with the connecting block, the bottom of connecting block rotates and is equipped with the external screw thread pipe, the outside thread bush of external screw thread pipe is equipped with the internal screw thread pipe, the fixed board of placing that is equipped with in bottom of internal screw thread pipe can guarantee that the tester level is put when the ground resistance tester uses through running fit between external screw thread pipe and the internal screw thread pipe, improves test stability.
Preferably, the lower end of the connecting block is in a cylindrical arrangement and is rotationally arranged on the inner wall of the external thread pipe through a bearing.
Preferably, the pushing frame is in contact connection with the inner wall of the placing groove.
In the technical scheme, the utility model has the technical effects and advantages that:
1. According to the utility model, the ground electrode can be rapidly cleaned when the ground electrode is taken out through the ground resistance tester, the placing groove, the ground electrode, the vertical rod, the cleaning cylinder, the wiping cotton, the pushing mechanism, the pushing supporting mechanism and the rotary wiping mechanism, so that the conductive effect of the ground electrode is prevented from being influenced by dirt on the surface of the ground electrode as much as possible, and the test precision of the ground resistance is ensured.
2. According to the utility model, through the connecting block, the external threaded pipe, the internal threaded pipe and the placing plate, the grounding resistance tester can be stably placed when the grounding resistance tester is used, and the detection stability is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a rear view of the ground resistance tester of FIG. 1 according to the present utility model;
Fig. 3 is an enlarged schematic view of the portion a of fig. 1 according to the present utility model.
Reference numerals illustrate:
1. a resistance tester; 2. a ground electrode; 3. a vertical rod; 4. a cleaning cylinder; 5. wiping cotton; 6. a push plate; 7. a screw rod; 8. a first circular gear; 9. a pushing frame; 10. a rack; 11. a slide bar; 12. a spring; 13. a second circular gear; 14. a connecting block; 15. an external threaded tube; 16. an internally threaded tube; 17. the plate is placed.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a live detection system for a single-end grounding loop resistor of a cable.
Example 1
The utility model provides a live detection system for a single-end grounding loop resistor of a cable, which is shown in fig. 1-3, and comprises a resistor tester 1 and a grounding electrode 2 communicated with the resistor tester 1, wherein both ends of the top of the resistor tester 1 are provided with a placing groove matched with the grounding electrode 2, a cavity is formed in the lower end of the interior of the resistor tester 1, a vertical rod 3 is rotatably arranged at the bottom of the inner wall of the placing groove, a cleaning cylinder 4 is arranged at the top of the vertical rod 3, a thread groove is formed in the bottom of the cleaning cylinder 4, threads are formed at the upper end of the rod wall of the vertical rod 3 and are arranged in the thread groove, wiping cotton 5 is embedded in the inner wall of the cleaning cylinder 4, the wiping cotton 5 is fixedly bonded with the inner wall of the cleaning cylinder 4, and the lower end of the grounding electrode 2 is arranged in the wiping cotton 5.
When the single-end grounding resistance of the cable is detected, the grounding resistance tester 1 is placed at a detection position, the grounding electrode 2 is taken out, the cleaning cylinder 4 can drive the wiping cotton 5 to rotate in the process of taking out the grounding electrode 2, the outer side of the grounding electrode 2 is cleaned, the conductive effect in the detection process is prevented from being influenced by impurities outside the grounding electrode 2 as much as possible, then the tester is contacted with the cable, the grounding electrode 2 is inserted into the ground, a loop can be formed after the tester outputs current, and a detection value is displayed outside the grounding resistance tester 1.
Example 2
In embodiment 2, in order to push out the ground electrode 2 for use on the basis of embodiment 1, as shown in fig. 1 and 3, a push plate 6 is fixedly arranged at the upper end of the outer side of the ground electrode 2, a push mechanism for pushing the ground electrode 2 to move longitudinally is arranged at the bottom of the push plate 6, the push mechanism comprises a screw rod 7, the screw rod 7 is rotatably arranged at the bottom of the inner wall of a placing groove, the lower end of the screw rod 7 penetrates into a cavity and is fixedly sleeved with a first round gear 8, a push frame 9 is sleeved at the upper end of the outer side of the screw rod 7 in a threaded manner, the push frame 9 is in contact connection with the inner wall of the placing groove, the top of the push frame 9 is in contact connection with the push plate 6, and a rack 10 is meshed at the back side of the first round gear 8;
The back side of the rack 10 is provided with a pushing support mechanism for pushing the rack 10 to transversely move, the pushing support mechanism comprises a slide bar 11, a bar-shaped through hole is formed in the back side of the cavity, the slide bar 11 is slidably arranged in the bar-shaped through hole, the rear end of the slide bar is located on the outer side, the slide bar 11 is fixedly connected with the rack 10, and two sides of a bar wall of the slide bar 11 are fixedly connected with the inner wall of the bar-shaped through hole through springs 12.
When the ground electrode 2 is required to be taken out for use, the end part of the sliding rod 11 is pulled, the sliding rod 11 drives the rack 10 to move transversely in the process of moving transversely in the strip-shaped through hole, and the lead screw 7 is driven to rotate through the meshing of the rack 10 and the first round gear 8, so that the pushing frame 9 moves longitudinally under the limit of contact with the inner wall of the placing groove and pushes the ground electrode 2 after contacting with the push plate 6, and the ground electrode 2 is moved from the placing groove for use.
Example 3
Embodiment 3 in order to perform stable wiping cleaning on the outer side of the ground electrode 2 in the process of pushing out the ground electrode 2 on the basis of embodiment 1-2, as shown in fig. 3, the lower end of the vertical rod 3 penetrates into the cavity, and a rotary wiping mechanism for driving the cleaning cylinder 4 to rotate is provided, wherein the rotary wiping mechanism comprises a second circular gear 13, and the second circular gear 13 is fixedly sleeved on the lower end of the vertical rod 3 and is meshed with the rack 10.
In the transverse movement process of the rack 10, the rack 10 is meshed with and pushes the second round gear 13, so that the second round gear 13 drives the vertical rod 3 to rotate, the cleaning cylinder 4 and the wiping cotton 5 rotate, and the outer side of the grounding electrode 2 can be effectively cleaned when the grounding electrode 2 moves longitudinally.
Example 4
Embodiment 4 in order to guarantee that the resistance tester 1 can be horizontally placed during use on the basis of embodiment 1 and guarantee that detection is stable, as shown in fig. 1-2, the bottom of the resistance tester 1 is fixedly provided with a connecting block 14, the bottom of the connecting block 14 is rotationally provided with an external thread pipe 15, an external thread pipe 16 is sleeved with an external thread of the external thread pipe 15, a placing plate 17 is fixedly arranged at the bottom of the internal thread pipe 16, and the lower end of the connecting block 14 is in a cylindrical arrangement and is rotationally arranged on the inner wall of the external thread pipe 15 through a bearing.
When ground resistance tester 1 places subaerial use, accessible rotation external screw thread pipe 15, under the screw-thread fit of internal screw thread pipe 16, can adjust the distance between external screw thread pipe 15 and the internal screw thread pipe 16 for ground resistance tester 1 can keep the level, guarantees the stability of tester when carrying out ground resistance test work.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (9)
1. The utility model provides a cable unilateral earth return circuit resistance live detection system, includes resistance tester (1) and ground electrode (2) that communicate with resistance tester (1), its characterized in that, the standing groove that cooperation ground electrode (2) was placed has all been seted up at the top both ends of resistance tester (1), the cavity has been seted up to the inside lower extreme of resistance tester (1), the inner wall bottom of standing groove rotates wears to be equipped with montant (3), the top of montant (3) is equipped with cleaning cylinder (4), cleaning cylinder (4) inner wall inlay and be equipped with wiper cotton (5), the lower extreme of ground electrode (2) set up in wiper cotton (5);
A push plate (6) is fixedly arranged at the upper end of the outer side of the grounding electrode (2), and a pushing mechanism for pushing the grounding electrode (2) to longitudinally move is arranged at the bottom of the push plate (6);
the lower end of the vertical rod (3) penetrates into the cavity, and a rotary wiping mechanism for driving the cleaning cylinder (4) to rotate is arranged.
2. The live detection system for the single-end grounding loop resistance of the cable according to claim 1, wherein the pushing mechanism comprises a screw rod (7), the screw rod (7) is rotationally arranged at the bottom of the inner wall of the placing groove, the lower end of the screw rod (7) penetrates into the cavity and is fixedly sleeved with a first round gear (8), the upper end of the outer side of the screw rod (7) is sleeved with a pushing frame (9), the top of the pushing frame (9) is in contact connection with the pushing plate (6), a rack (10) is meshed with the back side of the first round gear (8), and a pushing supporting mechanism for pushing the rack (10) to move transversely is arranged on the back side of the rack (10).
3. The live detection system for the single-end grounding loop resistance of the cable according to claim 2, wherein the pushing support mechanism comprises a sliding rod (11), a strip-shaped through hole is formed in the back side of the cavity, the sliding rod (11) is slidably arranged in the strip-shaped through hole, the rear end of the sliding rod is located on the outer side, the sliding rod (11) is fixedly connected with a rack (10), and two sides of the rod wall of the sliding rod (11) are fixedly connected with the inner wall of the strip-shaped through hole through springs (12).
4. The live detection system for the single-end grounding loop resistance of the cable according to claim 1, wherein the rotary wiping mechanism comprises a second round gear (13), and the second round gear (13) is fixedly sleeved at the lower end of the vertical rod (3) and meshed with the rack (10).
5. The live detection system for the single-end ground return resistance of the cable according to claim 1, wherein a thread groove is formed in the bottom of the cleaning cylinder (4), and the upper end of the rod wall of the vertical rod (3) is provided with threads and is arranged in the thread groove.
6. The live detection system for the single-end ground loop resistance of the cable according to claim 1, wherein the wiping cotton (5) is fixedly bonded with the inner wall of the cleaning cylinder (4).
7. The live detection system for the single-end grounding loop resistance of the cable according to claim 1, wherein a connecting block (14) is fixedly arranged at the bottom of the resistance tester (1), an external thread pipe (15) is rotatably arranged at the bottom of the connecting block (14), an internal thread pipe (16) is sleeved on the external thread of the external thread pipe (15), and a placing plate (17) is fixedly arranged at the bottom of the internal thread pipe (16).
8. The live detection system for the single-end ground loop resistance of the cable according to claim 7, wherein the lower end of the connecting block (14) is arranged in a cylindrical shape and is rotatably arranged on the inner wall of the externally threaded tube (15) through a bearing.
9. The live detection system of the single-end grounding loop resistance of the cable according to claim 2, wherein the pushing frame (9) is in contact connection with the inner wall of the placing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303744.8U CN220855033U (en) | 2023-08-28 | 2023-08-28 | Electrified detecting system for single-end grounding loop resistance of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303744.8U CN220855033U (en) | 2023-08-28 | 2023-08-28 | Electrified detecting system for single-end grounding loop resistance of cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220855033U true CN220855033U (en) | 2024-04-26 |
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ID=90789087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322303744.8U Active CN220855033U (en) | 2023-08-28 | 2023-08-28 | Electrified detecting system for single-end grounding loop resistance of cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220855033U (en) |
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2023
- 2023-08-28 CN CN202322303744.8U patent/CN220855033U/en active Active
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