CN220854963U - Auxiliary support for pincerlike grounding resistance tester - Google Patents
Auxiliary support for pincerlike grounding resistance tester Download PDFInfo
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- CN220854963U CN220854963U CN202322621868.0U CN202322621868U CN220854963U CN 220854963 U CN220854963 U CN 220854963U CN 202322621868 U CN202322621868 U CN 202322621868U CN 220854963 U CN220854963 U CN 220854963U
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- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
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- 238000007689 inspection Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides an auxiliary bracket for a pincerlike ground resistance tester, which comprises a pincerlike sleeve and a meter body. The side wall of the clamp sleeve is provided with a first mounting groove, the first mounting groove extends from the top of the clamp sleeve to the bottom of the clamp sleeve, and the bottom of the clamp sleeve is provided with a central hole and at least one eccentric hole. The lateral wall of the meter body is equipped with the second mounting groove, and the second mounting groove extends towards the bottom of the meter body by the top of the meter body, and the meter body is connected with the binding clip for first mounting groove and second mounting groove can cooperate to form the spacing space that is used for installing pincerlike ground resistance tester. The auxiliary support can be matched with the pincerlike grounding resistance tester for use, so that the connecting wires can be ensured to accurately move to the preset position in the pincerlike grounding resistance tester, the position of the connecting wires in the pincerlike grounding resistance tester is convenient to adjust, verification projects of the pincerlike grounding resistance tester are convenient to develop in daily, and verification working efficiency of the pincerlike grounding resistance tester is improved.
Description
Technical Field
The utility model relates to the technical field of pincerlike grounding resistance testers, in particular to an auxiliary bracket for a pincerlike grounding resistance tester.
Background
The clamp-on grounding resistance tester is a common instrument for testing and accurately measuring the grounding resistance, and is also an indispensable special tool for safety inspection and grounding engineering completion acceptance of electrical equipment. In 2009, the national quality inspection general office issued JJG1054-2009 "pincerlike ground resistance tester calibration procedure", and specified the calibration project and calibration method of the pincerlike ground resistance tester, namely, the calibration method of three calibration projects of "indication error", "measurement repeatability" and "eccentric position influence". The existing verification method for the verification project of the clamp-on ground resistance tester comprises the following steps: and clamping a connecting wire at the output end of the standard resistor by using a clamp-shaped grounding resistance tester, wherein the connecting wire is arranged at the geometric center position of the approximate clamp head and is vertical to the clamp ring, and calibrating by adjusting the indication value of the standard resistor. However, in the existing verification method for the verification project of the pincerlike ground resistance tester, when the 'measurement repeatability' verification project is carried out, the condition that the positions of the connecting wires are inconsistent is easy to occur, and when the 'eccentric position influence' verification project is carried out, the problem that the position adjustment of the connecting wires is inconvenient and inaccurate is easy to occur.
Disclosure of utility model
Based on the above, it is necessary to provide an auxiliary bracket for a pincerlike ground resistance tester, aiming at the problems of inaccurate positions of connecting wires and inconvenient position adjustment in the existing verification method for verification projects of the pincerlike ground resistance tester.
The technical scheme is as follows:
In one aspect, there is provided an auxiliary stand for a clamp-on ground resistance tester, comprising:
The clamp sleeve is provided with a first mounting groove on the side wall, the first mounting groove extends from the top of the clamp sleeve to the bottom of the clamp sleeve, the bottom of the clamp sleeve is provided with a central hole and at least one eccentric hole, and the central hole and each eccentric hole are communicated with the first mounting groove; and
The meter body, the lateral wall of the meter body is equipped with the second mounting groove, the second mounting groove by the top orientation of the meter body the bottom of the meter body extends, the meter body with the clamp sleeve is connected, makes first mounting groove with the second mounting groove can cooperate to form and be used for installing the spacing space of clamp-on ground resistance tester, and works as clamp-on ground resistance tester install in spacing space is time, the centre bore with the centre position intercommunication of clamp-on ground resistance tester's jaw, the eccentric bore with the eccentric position intercommunication of clamp-on ground resistance tester's jaw.
When the auxiliary bracket for the pincerlike grounding resistance tester is used, the pincerlike grounding resistance tester is correspondingly installed in the limiting space, and then the auxiliary bracket is adjusted, so that the pincerlike grounding resistance tester is horizontal. When the 'measurement repeatability' verification project is carried out, a standard resistor with a preset resistance value is selected, and a connecting wire of the standard resistor passes through the central hole, so that the pincerlike grounding resistance tester pinches the connecting wire, after reading, the connecting wire is withdrawn from the pincerlike grounding resistance tester, and then the connecting wire is pinched again, reading again, and repeated detection is carried out for a plurality of times (particularly, in the embodiment, repeated detection is carried out for six times). When the eccentric position influences the verification project, the connecting wire of the standard resistor passes through the central hole, so that the pincerlike grounding resistance tester pinches the connecting wire, the standard resistor is adjusted to be placed at any value, after reading the pincerlike grounding resistance tester, the connecting wire correspondingly passes through the eccentric hole, and reading the pincerlike grounding resistance tester, so as to obtain the maximum indicating value variable. The auxiliary support can be matched with the pincerlike grounding resistance tester for use, so that the connecting wires can be ensured to accurately move to the preset position in the pincerlike grounding resistance tester, the position of the connecting wires in the pincerlike grounding resistance tester is convenient to adjust, verification of indicating value errors, measurement repeatability and eccentric position influence of the pincerlike grounding resistance tester is convenient to carry out daily, and verification working efficiency of the pincerlike grounding resistance tester is improved.
The technical scheme is further described as follows:
In one embodiment, the number of the eccentric holes is four, and when the clamp-shaped ground resistance tester is installed in the limiting space, the four eccentric holes are correspondingly communicated with four sides of the inner ring of the jaw.
In one embodiment, the central hole and the eccentric hole are both arranged along the vertical direction, and the inner diameter of the central hole and the inner diameter of the eccentric hole are both matched with the outer diameter of the connecting wire of the standard resistor.
In one embodiment, a first adjusting piece is further arranged at the bottom of the meter body and used for adjusting levelness of the clamp-shaped ground resistance tester.
In one embodiment, the first adjusting member is provided with at least two first adjusting bolts, at least two first threaded holes are formed in the bottom of the watch body at intervals, and each first adjusting bolt is in threaded connection with each first threaded hole correspondingly.
In one embodiment, a second adjusting member is further disposed at the bottom of the clamp sleeve, and the second adjusting member is used for adjusting levelness of the clamp-shaped ground resistance tester.
In one embodiment, the second adjusting member is a second adjusting bolt, second threaded holes are formed in the bottom of the clamp sleeve at intervals, the second adjusting bolt is in threaded connection with each second threaded hole, and the center hole and each eccentric hole are located between the first threaded hole and the second threaded hole.
In one embodiment, the auxiliary support for the pincerlike ground resistance tester further comprises a level detecting member, wherein the level detecting member is mounted on the meter body and used for detecting levelness of the pincerlike ground resistance tester.
In one embodiment, the horizontal detecting member is a horizontal bubble, and a third mounting groove is further formed in the top of the watch body, and the horizontal bubble is mounted in the third mounting groove.
In one embodiment, the auxiliary support for the pincerlike grounding resistance tester further comprises two buckle bodies and two clamping parts, wherein the two buckle bodies are respectively arranged on two opposite side walls of the meter body, the two clamping parts are respectively arranged on two opposite side walls of the pincerlike grounding resistance tester, and the two buckle bodies are correspondingly matched with the two clamping parts in a clamping way.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of an auxiliary support for a pincerlike ground resistance tester according to one embodiment.
Fig. 2 is a side view of the auxiliary bracket for the clamp-on ground resistance tester of fig. 1.
Fig. 3 is a front view of the auxiliary bracket for the clamp-on ground resistance tester of fig. 1.
Reference numerals illustrate:
10. An auxiliary bracket; 100. a clamp sleeve; 110. a first mounting groove; 120. a central bore; 130. an eccentric hole; 140. a second threaded hole; 150. a third mounting groove; 200. a watch body; 210. a second mounting groove; 220. a first threaded hole; 300. a first adjustment member; 310. a first adjusting bolt; 400. a second adjusting member; 410. a second adjusting bolt; 500. a level detecting member; 600. fixing the clip; 610. a buckle body; 620. and a clamping part.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
As shown in fig. 1, 2 and 3, in one embodiment, an auxiliary stand 10 for a clamp-on ground resistance tester is provided, comprising a clamp sleeve 100 and a meter body 200. The side wall of the clamp sleeve 100 is provided with a first mounting groove 110, the first mounting groove 110 extends from the top of the clamp sleeve 100 towards the bottom of the clamp sleeve 100, the bottom of the clamp sleeve 100 is provided with a central hole 120 and at least one eccentric hole 130, and the central hole 120 and each eccentric hole 130 are communicated with the first mounting groove 110. The side wall of the meter body 200 is provided with a second mounting groove 210, the second mounting groove 210 extends from the top of the meter body 200 towards the bottom of the meter body 200, the meter body 200 is connected with the clamp sleeve 100, the first mounting groove 110 and the second mounting groove 210 can be matched to form a limiting space for mounting the clamp-shaped grounding resistance tester, when the clamp-shaped grounding resistance tester is mounted in the limiting space, the central hole 120 is communicated with the central position of the jaw of the clamp-shaped grounding resistance tester, and the eccentric hole 130 is communicated with the eccentric position of the jaw of the clamp-shaped grounding resistance tester.
When the auxiliary support 10 for the pincerlike ground resistance tester in the above embodiment is used, the pincerlike ground resistance tester is correspondingly installed in the limiting space, and then the auxiliary support 10 is adjusted, so that the pincerlike ground resistance tester is horizontal. When the "measurement repeatability" verification project is performed, a standard resistor with a preset resistance value is selected, and a connecting wire of the standard resistor passes through the central hole 120, so that the pincer-shaped grounding resistance tester pinches the connecting wire, after reading, the connecting wire is withdrawn from the pincer-shaped grounding resistance tester, and then the connecting wire is pinched again, reading again, and repeatedly performing detection (particularly, in the embodiment, repeatedly performing detection for six times). When the 'eccentric position influence' verification project is carried out, the connecting wire of the standard resistor passes through the central hole 120, so that the pincerlike grounding resistance tester pinches the connecting wire, the standard resistor is adjusted to be at any value, after reading of the pincerlike grounding resistance tester, the connecting wire correspondingly passes through the eccentric hole 130, reading of the pincerlike grounding resistance tester is carried out, and the maximum variable of the indication value is obtained. The auxiliary support 10 can be matched with the pincerlike grounding resistance tester for use, so that the connecting wires can be ensured to accurately move to a preset position in the pincerlike grounding resistance tester, the position of the connecting wires in the pincerlike grounding resistance tester is convenient to adjust, verification of indicating value errors, measurement repeatability and eccentric position influence of the pincerlike grounding resistance tester is convenient to carry out daily, and verification working efficiency of the pincerlike grounding resistance tester is improved.
The clamp-on grounding resistance tester comprises a jaw, a trigger and a display screen. The jaws are mounted in the first mounting slot 110 and the trigger and display are mounted in the second mounting slot 210. The dimensions of the clamp sleeve 100 can be flexibly adjusted according to the jaw diameter of an actual tested clamp-on ground resistance tester. In particular, in this embodiment, the clamp sleeve 100 is made of plastic. The watch body 200 is made of plastic material. The clamp sleeve 100 has a plurality of sizes, and a metering person can select the corresponding clamp sleeve 100 according to the jaw diameter of the practical tested clamp-shaped ground resistance tester, so that the position of the connecting wire in the jaw is ensured to be accurate.
The standard resistor is a standard measuring tool for storing the resistance unit ohm in the electromagnetic unit system. The characteristic is that the resistance is very accurate and stable, and is often used as a measurement standard or is installed in an electric measuring instrument as a standard resistance element.
The clamp sleeve 100 and the watch body 200 may be integrally formed, or may be formed by separately processing, and may be detachably connected as a whole after being formed.
The center position of the jaw is the geometric center position of the inner ring of the jaw. The eccentric position of the jaw is a position which is positioned in the inner ring of the jaw and is close to the inner wall of the inner ring of the jaw. The number of the eccentric holes 130 can be flexibly adjusted according to the actual use requirement.
As shown in fig. 1 and 2, further, the number of the eccentric holes 130 is four, and when the clamp-shaped ground resistance tester is mounted in the limiting space, the four eccentric holes 130 are correspondingly communicated with four sides of the inner ring of the jaw. In this embodiment, the four eccentric holes 130 are located near the front, rear, left and right inner walls of the jaw, respectively. Therefore, the eccentric position influence verification project is convenient for the pincerlike ground resistance tester.
Wherein, in performing an "off-center position influencing" certification project, the maximum indicator should not exceed 1/5 of the allowable error.
As shown in fig. 2 and 3, alternatively, the central hole 120 and the eccentric hole 130 are disposed along the vertical direction, and the inner diameter of the central hole 120 and the inner diameter of the eccentric hole 130 are adapted to the outer diameter of the connecting wire of the standard resistor. Thus, the center hole 120 and the eccentric hole 130 can fix the connecting wire, prevent the connecting wire from deviating from a preset position, and improve the verification accuracy of the pincerlike grounding resistance tester.
As shown in fig. 1 and 2, in one embodiment, the bottom of the watch body 200 is further provided with a first adjusting member 300, and the first adjusting member 300 is used for adjusting the levelness of the pincerlike ground resistance tester. Thus, by adjusting the height of the first adjusting member 300, the clamp-shaped ground resistance tester in the auxiliary bracket 10 is kept horizontal, the connecting wire can vertically pass through the jaw, and the verification accuracy of the clamp-shaped ground resistance tester is improved.
The number of the first adjusting members 300 can be flexibly adjusted according to the actual use requirement. The first adjustment member 300 may be a setting adjustment block, an adjustment lever, or other adjustment structure. In particular, in this embodiment, the levelness refers to the degree of the pincerlike ground resistance tester in the horizontal direction or a measure of the level.
As shown in fig. 1 and 2, further, the first adjusting member 300 is provided with at least two first adjusting bolts 310, at least two first threaded holes 220 are spaced apart from the bottom of the watch body 200, and each first adjusting bolt 310 is correspondingly in threaded connection with each first threaded hole 220. Thus, when four first adjusting bolts 310 can cooperate with and support the meter body 200, the length of the first adjusting bolts 310 positioned outside the meter body 200 can be adjusted by adjusting the first adjusting bolts 310, so that the clamp-on grounding resistance tester installed in the auxiliary bracket 10 can be adjusted to be in a horizontal state, and the verification convenience of the clamp-on grounding resistance tester is improved.
As shown in fig. 1 and 2, optionally, a second adjusting member 400 is further disposed at the bottom of the clamp sleeve 100, and the second adjusting member 400 is used for adjusting levelness of the clamp-shaped ground resistance tester. Thus, by adjusting the height of the second adjusting member 400, the clamp-shaped ground resistance tester in the auxiliary bracket 10 is kept horizontal, the connecting wire can vertically pass through the jaw, and the verification accuracy of the clamp-shaped ground resistance tester is improved.
Wherein, the number of the second adjusting members 400 can be flexibly adjusted according to the actual use requirement. The second adjustment member 400 may be a setting adjustment block, an adjustment lever, or other adjustment structure.
In this embodiment, the second adjusting member 400 is configured as a second adjusting bolt 410, the bottom of the clamp sleeve 100 is provided with second threaded holes 140 at intervals, the second adjusting bolt 410 is correspondingly in threaded connection with each second threaded hole 140, and the central hole 120 and each eccentric hole 130 are located between the first threaded hole 220 and the second threaded hole 140. Thus, the four first adjusting bolts 310 and one second adjusting bolt 410 can be matched with and support the clamp-shaped ground resistance tester, so that the auxiliary bracket 10 is ensured not to incline or roll over in the using process, and the reliability of the auxiliary bracket 10 is improved.
As shown in fig. 1 and 2, in one embodiment, the auxiliary stand 10 for the pincerlike ground resistance tester further includes a level detecting member 500, and the level detecting member 500 is mounted on the meter body 200 and is used for detecting the levelness of the pincerlike ground resistance tester. Thus, the horizontal detecting member 500 is used for judging whether the clamp-shaped ground resistance tester is adjusted to be in a horizontal state, so that the practicability and convenience of the auxiliary bracket 10 are improved.
The level detecting member 500 may be a level bulb, a level gauge, a level sensor, or other level detecting structure.
As shown in fig. 1 and 3, optionally, the level detecting member 500 is configured as a level bulb, and the top of the watch body 200 is further provided with a third mounting groove 150, and the level bulb is mounted in the third mounting groove 150. In this way, the watch body 200 can protect the horizontal bubble and improve the service life of the auxiliary bracket 10.
As shown in fig. 1 and 3, in one embodiment, the auxiliary support 10 for a pincerlike ground resistance tester further includes two fastening bodies 610 and two fastening portions 620, where the two fastening bodies 610 are respectively disposed on two opposite sidewalls of the meter body 200, the two fastening portions 620 are respectively disposed on two opposite sidewalls of the pincerlike ground resistance tester 100, and the two fastening bodies 610 are correspondingly fastened and matched with the two fastening portions 620. In this way, during the installation process of the clamp-shaped grounding resistance tester, the clamping fit between the clamping body 610 and the clamping part 620 is released, so that the clamp-shaped grounding resistance tester is conveniently installed in the limiting space; after the clamp-shaped grounding resistance tester is installed in the limiting space, the clamping body 610 and the clamping portion 620 are matched in a clamping manner, so that the clamp sleeve 100 and the meter body 200 are connected into a whole, and convenience of the auxiliary bracket 10 is improved.
In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.
Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.
It will be further understood that when interpreting the connection or positional relationship of elements, although not explicitly described, the connection and positional relationship are to be interpreted as including the range of errors that should be within an acceptable range of deviations from the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (10)
1. An auxiliary stand for a clamp-on ground resistance tester, comprising:
The clamp sleeve is provided with a first mounting groove on the side wall, the first mounting groove extends from the top of the clamp sleeve to the bottom of the clamp sleeve, the bottom of the clamp sleeve is provided with a central hole and at least one eccentric hole, and the central hole and each eccentric hole are communicated with the first mounting groove; and
The meter body, the lateral wall of the meter body is equipped with the second mounting groove, the second mounting groove by the top orientation of the meter body the bottom of the meter body extends, the meter body with the clamp sleeve is connected, makes first mounting groove with the second mounting groove can cooperate to form and be used for installing the spacing space of clamp-on ground resistance tester, and works as clamp-on ground resistance tester install in spacing space is time, the centre bore with the centre position intercommunication of clamp-on ground resistance tester's jaw, the eccentric bore with the eccentric position intercommunication of clamp-on ground resistance tester's jaw.
2. The auxiliary stand for a pincer-shaped ground resistance tester according to claim 1, wherein the number of the eccentric holes is four, and when the pincer-shaped ground resistance tester is mounted in the limit space, the four eccentric holes are correspondingly communicated with four sides of the inner ring of the jaw.
3. The auxiliary bracket for a clamp-on ground resistance tester according to claim 1, wherein the center hole and the eccentric hole are both arranged in a vertical direction, and the inner diameter of the center hole and the inner diameter of the eccentric hole are both adapted to the outer diameter of a connecting wire of a standard resistor.
4. The auxiliary bracket for the clamp-on ground resistance tester according to claim 1, wherein a first adjusting piece is further arranged at the bottom of the meter body and used for adjusting levelness of the clamp-on ground resistance tester.
5. The auxiliary bracket for a clamp-on ground resistance tester according to claim 4, wherein the first adjusting piece is provided with at least two first adjusting bolts, at least two first threaded holes are formed in the bottom of the meter body at intervals, and each first adjusting bolt is in threaded connection with each first threaded hole correspondingly.
6. The auxiliary bracket for a clamp-on ground resistance tester according to claim 5, wherein a second adjusting member is further arranged at the bottom of the clamp sleeve, and the second adjusting member is used for adjusting levelness of the clamp-on ground resistance tester.
7. The auxiliary bracket for a clamp-on ground resistance tester according to claim 6, wherein the second adjusting member is a second adjusting bolt, second threaded holes are formed in the bottom of the clamp sleeve at intervals, the second adjusting bolt is in threaded connection with each second threaded hole, and the center hole and each eccentric hole are located between the first threaded hole and the second threaded hole.
8. The auxiliary stand for a pincer-shaped ground resistance tester according to any one of claims 1 to 7, further comprising a level detecting member mounted on the meter body and configured to detect levelness of the pincer-shaped ground resistance tester.
9. The auxiliary stand for a clamp-on ground resistance tester according to claim 8, wherein the level detecting member is provided as a level bulb, and a third mounting groove is further provided at the top of the meter body, and the level bulb is mounted in the third mounting groove.
10. The auxiliary support for a clamp-on ground resistance tester according to any one of claims 1 to 7, further comprising two fastening bodies and two fastening portions, wherein the two fastening bodies are respectively arranged on two opposite side walls of the meter body, the two fastening portions are respectively arranged on two opposite side walls of the clamp sleeve, and the two fastening bodies are correspondingly fastened and matched with the two fastening portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322621868.0U CN220854963U (en) | 2023-09-26 | 2023-09-26 | Auxiliary support for pincerlike grounding resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322621868.0U CN220854963U (en) | 2023-09-26 | 2023-09-26 | Auxiliary support for pincerlike grounding resistance tester |
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| CN220854963U true CN220854963U (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322621868.0U Active CN220854963U (en) | 2023-09-26 | 2023-09-26 | Auxiliary support for pincerlike grounding resistance tester |
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| CN (1) | CN220854963U (en) |
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- 2023-09-26 CN CN202322621868.0U patent/CN220854963U/en active Active
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