Clamp type grounding resistance tester

Abstract

The utility model discloses a clamp-type grounding resistance tester. The clamp-type grounding resistance tester comprises a machine body; the machine body is arranged on the shell; the rotating shaft is rotationally arranged on the shell; the current clamp is fixedly arranged outside the rotating shaft in a sleeving mode, and the current clamp is connected with the machine body through a wire; an abutting assembly, wherein the abutting assembly is arranged in the shell; wherein the current clamp comprises a handle and a clamp head movably arranged on the handle, and the handle is provided with a clamp handle used for controlling the clamp head to be opened and closed; when the current clamp rotates around the rotating shaft, the clamp handle can touch the abutting assembly. The fixing block is arranged in the shell, and the fixing block is arranged in the shell; the handle is fixed on the fixed block through the adsorption assembly; the current clamp protection device can protect the current clamp, and is convenient to operate and use.

Description

TECHNICAL FIELD

[0001] The utility model relates to resistance testing instrument technical field, concretely is a kind of clamp type grounding resistance tester. BACKGROUND

[0002] In the installation and maintenance of power system, communication system and various electrical equipment, the measurement of grounding resistance is very important, and the clamp type grounding resistance tester is an instrument for measuring resistance value. The existing clamp type grounding resistance is usually of integrated structure, and the clamp head part is exposed outside, which is easy to be damaged by knocking. Although some clamp type grounding resistance testers are of split structure, the connecting wires are easy to be entangled during use, which causes inconvenience in use. SUMMARY

[0003] The utility model aims at providing a clamp type grounding resistance tester to solve the problems in the above background.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a clamp type grounding resistance tester, comprising: a body; a shell, the body is arranged on the shell; a rotating shaft, the rotating shaft is rotatably arranged on the shell; a current clamp, the current clamp is fixedly sleeved outside the rotating shaft, and the current clamp is connected to the body by a wire; a contact component, the contact component is arranged in the shell; wherein the current clamp comprises a handle and a clamp head movably arranged on the handle, and a clamp handle for controlling the opening and closing of the clamp head is arranged on the handle; when the current clamp rotates around the rotating shaft, the clamp handle can touch the contact component.

[0005] Further, it further comprises: a fixed block, the fixed block is arranged in the shell; an adsorption component, the handle is fixed on the fixed block by the adsorption component.

[0006] Further, the adsorption component comprises: a first magnetic block, the first magnetic block is embedded in the fixed block; a second magnetic block, the second magnetic block is embedded in the handle; wherein the first magnetic block and the second magnetic block are attracted and combined, and when the first magnetic block and the second magnetic block are attracted and combined, the current clamp is located inside the shell.

[0007] Further, the contact component comprises a contact block, and the contact block is arranged inside the shell.

[0008] Further, the side of the contact block for contacting the clamp handle is in arc shape.

[0009] Further, a plurality of grooves are arranged on the side of the handle away from the clamp handle.

[0010] Further, an opening is arranged on the shell.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows.

[0012] 1. In the non-use, the current clamp is fixed in the fixed block through an adsorption assembly, that is, the current clamp is located inside the shell, thereby realizing the protection of the current clamp.

[0013] 2. In use, the pincer handle is driven to touch the abutting block by pushing the handle, so that the pincer head is opened, and the operation labor intensity is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0015] Figure 1 It is the whole structure schematic view of the utility model embodiment one;

[0016] Figure 2 It is the current clamp fixed in the shell inside state schematic view of the utility model embodiment one;

[0017] Figure 3 It is the current clamp rotation and removes from the shell inside state schematic view of the utility model embodiment one;

[0018] Figure 4 It is the adsorption assembly installation schematic view of the utility model embodiment two;

[0019] Figure 5 It is the current clamp structure schematic view of the utility model embodiment three;

[0020] In the drawing: 1, shell;11, opening;12, pivot;2, current clamp;21, handle;211, recess;22, pincer head;23, pincer handle;3, machine body;4, fixed block;5, adsorption assembly;51, first magnetic block;52, second magnetic block. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment one

[0023] Please refer to Figures 1-3The utility model provides technical scheme: a pair of grounding resistance tester, including casing 1, is provided with organism 3 on casing 1, and organism 3 is formed by control panel, liquid crystal display screen etc, this is prior art and does not repeat, organism 3 is connected current clamp 2 through wire, and current clamp 2 is movably arranged on casing 1, specifically, the inside of casing 1 is provided with pivot 12, pivot 12 is movably connected on casing 1 through bearing, current clamp 2 is fixedly sleeved in the outside of pivot 12, and pivot 12 is close to one corner of current clamp 2, the inside of casing 1 is also fixedly provided with fixed block 4, and current clamp 2 can be fixed on fixed block 4 through an adsorption component 5, as shown in the figure, Figure 2 When current clamp 2 is fixed on fixed block 4, the whole current clamp 2 is located in the inside of casing 1, in addition, when current clamp 2 is separated from fixed block 4, current clamp 2 can rotate around pivot 12 axis and remove from the inside of casing 1.

[0024] Current clamp 2 includes handle 21, and the handle 21 is provided with the openable and closable clamp head 22, and the handle 21 is also provided with the clamp handle 23 for controlling the opening and closing of the clamp body, that is, when pressing the clamp handle 23, the clamp head 22 is opened, at the same time, a resisting component 6 is fixedly arranged in the inside of casing 1, when current clamp 2 rotates around pivot 12 axis, the clamp handle 23 can touch the resisting component 6, the resisting component 6 includes resisting block 61, the resisting block 61 is fixedly arranged in the inside of casing 1, and the side of the resisting block 61 for contacting the clamp handle 23 is arc-shaped.

[0025] The casing 1 is provided with an opening 11, when the current clamp 2 is fixed on the fixed block 4 through an adsorption component 5, the opening 11 corresponds to the position of the handle 21.

[0026] In the embodiment, when not in use, the current clamp 2 can be fixed on the fixed block 4 through an adsorption component 5, at this time, the current clamp 2 is located in the inside of the casing 1, for protecting the current clamp 2, when in use, by pushing the part of the handle 21 corresponding to the opening 11 outward, under the action of the pivot 12, the current clamp 2 can be separated from the fixed block 4, and the current clamp 2 rotates around the pivot 12 and can be removed from the inside of the casing 1, when rotating the handle 21 so that the clamp handle 23 touches the resisting block 61, the resisting block 61 presses the clamp handle 23, that is, the clamp head 22 can be opened, and when the handle 21 is loosened, the clamp head 22 can be closed again, so that the clamp head 22 clamps the electrode to be measured is convenient, that is, when the clamp head 22 clamps the electrode to be measured, by rotating the handle 21 by pushing, the clamp handle 23 touches the resisting block 61, that is, the clamp head 22 can be opened, which reduces the operation labor intensity, when the test is completed, the handle 21 is pushed again to rotate, so that the clamp handle 23 touches the resisting block 61 again to release the electrode to be measured, finally, the handle 21 is pushed to reset the whole current clamp 2, that is, the current clamp 2 is fixed on the fixed block 4 again.

[0027] Embodiment two

[0028] Please refer to Figures 1-4 , the embodiment is based on the first embodiment, the adsorption assembly 5 includes the first magnetic block 51, the first magnetic block 51 is embedded in the fixed block 4;Adsorption assembly 5 further includes the second magnetic block 52, the second magnetic block 52 is embedded in the handle 21, the first magnetic block 51 and the second magnetic block 52 are attracted and set;That is, by the first magnetic block 51 and the second magnetic block 52 are attracted, so that the handle 21 is fixed on the fixed block 4, so as to realize the position fixing of the whole current clamp 2;When pushing the handle 21 rotates, and overcomes the first magnetic block 51 and the second magnetic block 52 attraction, the current clamp 2 can be separated from the fixed block 4.

[0029] In this embodiment, the first magnetic block 51 is attracted to the second magnetic block 52, so that the current clamp 2 is located inside the shell 1, that is, when not in use, the protection of the current clamp 2 is improved.

[0030] Embodiment three

[0031] Please refer to Figures 1-5 , the embodiment is based on the second embodiment, a plurality of grooves 211 are arranged on the side of the handle 21 away from the clamp handle 23;By placing the finger in the groove 211, the comfort of pushing the handle 21 is improved.

[0032] It should be noted that in this paper, such as first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A clamp-on grounding resistance tester, comprising a body (3), characterized in that, Also includes: The housing (1) and the body (3) are disposed on the housing (1); A rotating shaft (12) is rotatably mounted on the housing (1); A current clamp (2) is fixedly sleeved on the outside of the rotating shaft (12), and the current clamp (2) is connected to the machine body (3) through a wire; A contact component (6) is disposed within the housing (1); The current clamp (2) includes a handle (21) and a clamp head (22) movably disposed on the handle (21). The handle (21) is provided with a clamp handle (23) for controlling the opening and closing of the clamp head (22). When the current clamp (2) rotates about the shaft (12), the clamp handle (23) can touch the contact component (6).

2. The clamp-on grounding resistance tester according to claim 1, characterized in that, Also includes: A fixing block (4) is disposed inside the housing (1); The adsorption assembly (5) is used to fix the handle (21) to the fixing block (4).

3. A clamp-on grounding resistance tester according to claim 2, characterized in that, The adsorption component (5) includes: The first magnetic block (51) is embedded in the fixed block (4); The second magnetic block (52) is embedded in the handle (21); The first magnetic block (51) and the second magnetic block (52) are attracted to each other, and when the first magnetic block (51) and the second magnetic block (52) are attracted to each other, the current clamp (2) is located inside the housing (1).

4. A clamp-on grounding resistance tester according to claim 1, characterized in that, The abutment component (6) includes an abutment block (61) disposed inside the housing (1).

5. A clamp-on grounding resistance tester according to claim 4, characterized in that, The side of the abutment block (61) that contacts the pliers handle (23) is arc-shaped.

6. A clamp-on grounding resistance tester according to claim 1, characterized in that, The handle (21) has multiple grooves (211) on the side away from the pliers (23).

7. A clamp-on grounding resistance tester according to claim 1, characterized in that, An opening (11) is provided on the housing (1).

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