CN220289720U - DC current testing clamp for grounding end of loop resistance tester - Google Patents
DC current testing clamp for grounding end of loop resistance tester Download PDFInfo
- Publication number
- CN220289720U CN220289720U CN202321974008.9U CN202321974008U CN220289720U CN 220289720 U CN220289720 U CN 220289720U CN 202321974008 U CN202321974008 U CN 202321974008U CN 220289720 U CN220289720 U CN 220289720U
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- plate
- clamp plate
- conductive
- conductive clamp
- threaded rod
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- 238000012360 testing method Methods 0.000 title claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Abstract
The utility model discloses a direct current testing clamp for a grounding end of a loop resistance tester, which comprises a clamp body electrically connected with the loop resistance tester through a wire, wherein a first conductive clamp plate and a second conductive clamp plate are arranged on the clamp body, and a clamping assembly is arranged on the first conductive clamp plate and used for clamping a grounding flat iron. According to the utility model, the first conductive clamp plate, the clamping assembly, the second conductive clamp plate, the positioning clamp plate and the file assembly are arranged, the file assembly is sleeved outside the second conductive clamp plate, the threaded rod is rotated to enable the positioning block to move rightwards to position the file assembly, the surface of the grounding flat iron is polished by the flat file, an oxide layer on the surface of the grounding flat iron is removed, the threaded rod is rotated to enable the file assembly to lose limit, the file assembly is removed and then moved to the outer side of the grounding flat iron, the threaded rod is rotated to enable the positioning block to move rightwards to clamp the grounding flat iron, the positioning block can limit the grounding flat iron to slide out, so that the equipment is clamped more stably, and the grounding flat iron is not easy to loose in the detection process.
Description
Technical Field
The utility model relates to the field of current testers, in particular to a direct current test clamp for a grounding end of a loop resistance tester.
Background
The loop resistance tester applies direct current sources on two sides of a contact under the state that the two ends of the contact of the high-voltage switch are not grounded or one end of the contact is grounded, and simultaneously performs voltage measurement, so that a resistance value is obtained;
however, the ground flat iron at one end is detached, so that the field workload and the potential safety hazard are increased, and the ground flat iron can be detected without disconnecting the ground flat iron by adopting a Hall sensor to detect the current information of the ground flat iron.
When the current information of the grounding end is detected, if the test clamp is loosened, the detection result is distorted, so that the direct current test clamp of the grounding end of the loop resistance tester is provided.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the direct current test clamp for the grounding end of the loop resistance tester, which is not easy to loosen when clamping the grounding flat iron.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a direct current testing clamp for a grounding end of a loop resistance tester, which comprises a clamp body electrically connected with the loop resistance tester through a wire, wherein a first conductive clamp plate and a second conductive clamp plate are arranged on the clamp body;
the clamping assembly is used for clamping the grounding flat iron, and a positioning clamping plate is fixedly arranged on one side, close to the first conductive clamp plate, of the second conductive clamp plate;
the outside of second electrically conductive nipper board can dismantle and be provided with file subassembly, and it is used for getting rid of the oxide layer on ground band iron surface.
As a preferable technical scheme of the utility model, the clamping assembly comprises a threaded sleeve, a threaded rod, a movable clamping plate and a limiting rod, wherein,
the thread sleeve is fixedly arranged at one end of the first conductive clamp plate far away from the second conductive clamp plate;
the threaded rod is in threaded connection with the threaded sleeve, and one end of the threaded rod penetrates through one end of the first conductive clamp plate, which is close to the second conductive clamp plate;
the movable clamping plate is rotatably arranged at one end of the threaded rod, which is close to the second conductive clamp plate;
and the limiting rod is fixedly arranged at one end of the movable clamping plate, which is far away from the second conductive clamp plate, and one end of the limiting rod penetrates through the first conductive clamp plate.
As an optimized technical scheme of the utility model, an insulating handle is fixedly arranged on the left side of the threaded rod, the threaded sleeve, the threaded rod and the limiting rod are all copper rods, and the movable clamping plate and the positioning clamping plate are all copper plates.
As a preferable technical scheme of the utility model, a positioning block is fixedly arranged at the top of the movable clamping plate, and a positioning groove is formed in the right side of the positioning block.
As a preferred technical scheme of the present utility model, the rasp assembly includes a flat rasp, a head plate, side plates, and a fixing pin, wherein,
a flat file positioned on the right side of the second conductive clamp plate;
the top plate is fixedly arranged on the left side of the flat file and is positioned above the second conductive clamp plate;
the side plate is fixedly arranged at the bottom of the top plate and is positioned at the left side of the second conductive clamp plate;
the locating nail is fixedly arranged on the left side of the side plate and is used for being inserted into the locating groove.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the first conductive clamp plate, the clamping assembly, the second conductive clamp plate, the positioning clamp plate and the file assembly are arranged, the file assembly is sleeved outside the second conductive clamp plate, the threaded rod is rotated to enable the positioning block to move rightwards to position the file assembly, and the surface of the grounding flat iron is polished by the flat file to remove an oxide layer on the surface of the grounding flat iron;
the threaded rod is rotated to enable the file component to lose the limit, equipment is moved to the outer side of the grounding flat iron after the file component is taken down, the threaded rod is rotated to enable the positioning block to move right to clamp the grounding flat iron, and the positioning block can limit the grounding flat iron to slide out, so that the equipment clamping is more stable, and the equipment is not easy to loosen in the detection process.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a partial cross-sectional view of the present utility model;
FIG. 4 is a view of an embodiment of the present utility model in which the rasp assembly is clamped;
FIG. 5 is a view of an embodiment of the present utility model clamping a ground strap iron;
in the figure: 1. a loop resistance tester; 2. a wire; 3. a clamp body; 4. a first conductive clamp plate;
5. a clamping assembly; 51. a thread sleeve; 52. a threaded rod; 53. a movable clamping plate; 54. a limit rod; 55. a positioning block; 551. a positioning groove;
6. a second conductive clamp plate; 7. positioning clamping plates;
8. a file assembly; 81. a flat file; 82. a top plate; 83. a side plate; 84. positioning nails;
9. ground flat iron.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Wherein like reference numerals refer to like elements throughout.
Example 1
As shown in fig. 1-5, the utility model provides a direct current testing clamp for a grounding end of a loop resistance tester, which comprises a clamp body 3 electrically connected with a loop resistance tester 1 through a lead 2, wherein a first conductive clamp plate 4 and a second conductive clamp plate 6 are arranged on the clamp body 3, a clamping assembly 5 is arranged on the first conductive clamp plate 4, and a positioning clamping plate 7 is fixedly arranged on one side, close to the first conductive clamp plate 4, of the second conductive clamp plate 6.
The clamping assembly 5 comprises a threaded sleeve 51, a threaded rod 52, a movable clamping plate 53 and a limiting rod 54, wherein the threaded sleeve 51 is fixedly arranged at one end of the first conductive clamping plate 4, which is far away from the second conductive clamping plate 6, the threaded rod 52 is in threaded connection with the threaded sleeve 51, one end of the threaded rod 52 penetrates through one end of the first conductive clamping plate 4, which is close to the second conductive clamping plate 6, the movable clamping plate 53 is rotatably arranged at one end of the threaded rod 52, which is close to the second conductive clamping plate 6, the limiting rod 54 is fixedly arranged at one end of the movable clamping plate 53, which is far away from the second conductive clamping plate 6, one end of the limiting rod 54 penetrates through the first conductive clamping plate 4, a positioning block 55 is fixedly arranged at the top of the movable clamping plate 53, and a positioning groove 551 is formed in the right side of the positioning block 55.
In addition, an insulating handle 521 is fixedly arranged on the left side of the threaded rod 52, the threaded sleeve 51, the threaded rod 52 and the limiting rod 54 are all copper rods, and the movable clamping plate 53 and the positioning clamping plate 7 are all copper plates.
Referring to fig. 5, the threaded rod 52 is rotated to move the positioning block 55 to the right to clamp the ground flat iron 9, and the positioning block 55 can limit the ground flat iron 9 to slide out, so that the equipment clamping is more stable, and the equipment is not easy to loosen in the detection process.
In this embodiment, the file assembly 8 is detachably disposed on the outside of the second conductive clamp plate 6, the file assembly 8 includes a flat file 81, a top plate 82, a side plate 83 and a positioning pin 84, the flat file 81 is located on the right side of the second conductive clamp plate 6, the top plate 82 is fixedly disposed on the left side of the flat file 81 and is located above the second conductive clamp plate 6, the side plate 83 is fixedly disposed on the bottom of the top plate 82 and is located on the left side of the second conductive clamp plate 6, and the positioning pin 84 is fixedly disposed on the left side of the side plate 83 and is used for being inserted into the positioning groove 551.
Referring to fig. 4, the file assembly 8 is first sleeved outside the second conductive clamp plate 6, the threaded rod 52 is rotated to move the positioning block 55 to the right to position the file assembly 8, and the surface of the ground flat iron 9 is polished by using the flat file 81 to remove the oxide layer on the surface.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The direct current testing clamp for the grounding end of the loop resistance tester comprises a clamp body (3) which is electrically connected with the loop resistance tester (1) through a lead (2), and is characterized in that a first conductive clamp plate (4) and a second conductive clamp plate (6) are arranged on the clamp body (3);
the clamping assembly (5) is arranged on the first conductive clamp plate (4), the clamping assembly (5) is used for clamping the grounding flat iron (9), and a positioning clamping plate (7) is fixedly arranged on one side, close to the first conductive clamp plate (4), of the second conductive clamp plate (6);
the outside of the second conductive clamp plate (6) is detachably provided with a file component (8) which is used for removing an oxide layer on the surface of the grounding flat iron (9).
2. The ground end direct current test clamp of a loop resistance tester according to claim 1, wherein the clamping assembly (5) comprises a threaded sleeve (51), a threaded rod (52), a movable clamping plate (53) and a limiting rod (54), wherein,
the thread sleeve (51) is fixedly arranged at one end of the first conductive clamp plate (4) far away from the second conductive clamp plate (6);
the threaded rod (52) is in threaded connection with the threaded sleeve (51), and one end of the threaded rod penetrates through one end of the first conductive clamp plate (4) close to the second conductive clamp plate (6);
the movable clamping plate (53) is rotatably arranged at one end of the threaded rod (52) close to the second conductive clamp plate (6);
and the limiting rod (54) is fixedly arranged at one end of the movable clamping plate (53) far away from the second conductive clamping plate (6), and one end of the limiting rod (54) penetrates through the first conductive clamping plate (4).
3. The direct current testing clamp for the grounding end of the loop resistance tester according to claim 2, wherein an insulating handle (521) is fixedly arranged on the left side of the threaded rod (52), the threaded sleeve (51), the threaded rod (52) and the limiting rod (54) are copper rods, and the movable clamping plate (53) and the positioning clamping plate (7) are copper plates.
4. The direct current testing clamp for the grounding end of the loop resistance tester according to claim 2, wherein a positioning block (55) is fixedly arranged at the top of the movable clamping plate (53), and a positioning groove (551) is formed in the right side of the positioning block (55).
5. The ground dc current testing clamp for a loop resistance tester according to claim 4, wherein the rasp assembly (8) includes a flat rasp (81), a top plate (82), side plates (83), and a dowel (84), wherein,
a flat file (81) positioned on the right side of the second conductive clamp plate (6);
a top plate (82) fixedly arranged on the left side of the flat file (81) and positioned above the second conductive clamp plate (6);
the side plate (83) is fixedly arranged at the bottom of the top plate (82) and is positioned at the left side of the second conductive clamp plate (6);
and a positioning pin (84) fixedly arranged on the left side of the side plate (83) and used for being inserted into the positioning groove (551).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321974008.9U CN220289720U (en) | 2023-07-25 | 2023-07-25 | DC current testing clamp for grounding end of loop resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321974008.9U CN220289720U (en) | 2023-07-25 | 2023-07-25 | DC current testing clamp for grounding end of loop resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289720U true CN220289720U (en) | 2024-01-02 |
Family
ID=89341349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321974008.9U Active CN220289720U (en) | 2023-07-25 | 2023-07-25 | DC current testing clamp for grounding end of loop resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289720U (en) |
-
2023
- 2023-07-25 CN CN202321974008.9U patent/CN220289720U/en active Active
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