Adjustable grounding resistance tester
The adjustable ground resistance tester addresses the issue of fixed height by using a motor-driven threaded rod system for height adjustment, enhancing usability and result observation.
Patent Information
- Application Number
- CN202420732338.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-10
AI Technical Summary
Existing ground resistance testers often have a fixed height, making height adjustment inconvenient and complicating the observation of test results.
An adjustable ground resistance tester with a threaded rod system driven by a motor, allowing for height adjustment through a controller-operated motor, enabling the base to be positioned at a suitable height for testing.
Facilitates convenient height adjustment and improved observation of test results by allowing the base to be positioned optimally during testing.
Smart Images
Figure CN222189389U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of resistance testers, in particular to an adjustable ground resistance tester. Background Art
[0002] The ground resistance tester is a commonly used instrument for testing and measuring ground resistance. It is also an indispensable tool for electrical safety inspection and acceptance of grounding projects. With the development of society, the demand for electricity is getting higher and higher. In power construction, a ground resistance tester is usually needed for measurement. It abandons the traditional manual hand-cranked power generation working mode, adopts advanced large-scale integrated circuits, and uses DC / AC conversion technology to combine the three-terminal and four-terminal measurement methods into a new type of digital ground resistance tester. It is suitable for measuring the ground resistance of various devices in power, post and telecommunications, railways, communications, mining and other departments, as well as measuring the resistance value of low-resistance conductors. Some existing resistance testers may have a fixed height, which is not convenient for height adjustment and may not be convenient for observing the test results.
[0003] Therefore, an adjustable ground resistance tester is needed to improve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide an adjustable ground resistance tester to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An adjustable ground resistance tester comprises a fixed body, a controller is installed on the outer wall of the fixed body, a fixed rod is installed on the outer wall of the fixed body, a slide groove is opened on the outer wall of the fixed body, a threaded rod is installed on the inner wall of the slide groove, one end of the threaded rod passes through the outer wall of the fixed body and is fixedly connected to a motor, a slider is installed on the outer wall of the threaded rod, a connecting rod is installed on the outer wall of the slider, a base is installed on the outer wall of the connecting rod, a handle is installed on the outer wall of the base, an annular body is installed on the outer wall of the base, and a testing device is connected to the inner wall of the annular body.
[0007] As a preferred solution of the utility model, the fixed body is installed in multiple groups and are respectively located on the outer wall of the fixed rod, the fixed rod is installed in multiple groups and are respectively located on the outer wall of the fixed body, and the connection method of the threaded rod and the slide groove is a rotational connection.
[0008] As a preferred solution of the utility model, the slide grooves are provided in multiple groups and are respectively located on the outer wall of the fixed body, the threaded rods are installed in multiple groups and are respectively located on the inner wall of the slide grooves, and the connection mode between the slider and the connecting rod is a fixed connection.
[0009] As a preferred solution of the utility model, the motors are installed in multiple groups and are respectively located at one end of the threaded rod, the sliders are installed in multiple groups and are respectively located on the outer wall of the threaded rod, and the connection between the testing device and the annular body is a fixed connection.
[0010] As a preferred solution of the utility model, the connecting rods are installed in multiple groups and are respectively located on the outer wall of the slider, the handles are installed in two groups and are respectively located on the outer wall of the base, and the connection between the threaded rod and the slider is a sliding connection.
[0011] As a preferred solution of the utility model, the controller is connected to the motor via a wire and the connection method is electrical connection, the connecting rod is located directly above the slider, and the base is located on the end surface of the connecting rod.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. In the utility model, a threaded rod in an adjustable ground resistance tester is used, and a controller located on the outer wall of a fixed body is used to operate a motor located at one end of the threaded rod. The rotation of the driving shaft of the motor drives the threaded rod located on the inner wall of the slide groove to rotate, drives the slider located on the outer wall of the threaded rod to move up and down, drives the connecting rod located on the outer wall of the slider and the base located on the outer wall of the connecting rod to move up and down, and makes the base located at a suitable height, thereby solving the problem that some existing resistance testers may have a fixed height, which is not convenient for height adjustment and may be inconvenient for observing test results. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the threaded rod structure of the utility model;
[0016] Figure 3 This is a schematic diagram of the motor structure of the utility model.
[0017] In the figure: 1. fixed body; 2. controller; 3. fixed rod; 4. slide groove; 5. threaded rod; 6. motor; 7. slider; 8. connecting rod; 9. base; 10. handle; 11. ring body; 12. testing device. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0019] For examples, see Figure 1-3 , the utility model provides a technical solution:
[0020] An adjustable ground resistance tester includes a fixed body 1, a controller 2 is installed on the outer wall of the fixed body 1, a fixed rod 3 is installed on the outer wall of the fixed body 1, a slide groove 4 is opened on the outer wall of the fixed body 1, a threaded rod 5 is installed on the inner wall of the slide groove 4, one end of the threaded rod 5 passes through the outer wall of the fixed body 1 and is fixedly connected to a motor 6, a slider 7 is installed on the outer wall of the threaded rod 5, a connecting rod 8 is installed on the outer wall of the slider 7, a base 9 is installed on the outer wall of the connecting rod 8, a handle 10 is installed on the outer wall of the base 9, an annular body 11 is installed on the outer wall of the base 9, and a testing device 12 is connected to the inner wall of the annular body 11.
[0021] In this embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , the fixed body 1 is installed with multiple groups and are respectively located on the outer wall of the fixed rod 3, the fixed rod 3 is installed with multiple groups and are respectively located on the outer wall of the fixed body 1, and the multiple groups of fixed rods 3 can fix the fixed body 1, the threaded rod 5 and the slide 4 are connected in a rotating manner, the slide 4 is provided with multiple groups and are respectively located on the outer wall of the fixed body 1, the threaded rod 5 is installed with multiple groups and are respectively located on the inner wall of the slide 4, the slider 7 and the connecting rod 8 are connected in a fixed manner, the motor 6 is installed with multiple groups and is respectively located at one end of the threaded rod 5, the slider 7 is installed with multiple groups and is respectively located on the outer wall of the threaded rod 5, the test device 12 and the annular body 11 are connected in a fixed manner, the connecting rod 8 is installed with multiple groups and is respectively located on the outer wall of the slider 7, and the multiple groups of connecting rods 8 are convenient for adjusting the height of the base 9, the handle 10 is installed with two groups and is respectively located on the outer wall of the base 9, the threaded rod 5 and the slider 7 are connected in a sliding manner, the controller 2 is connected to the motor 6 through a wire and the connection method is an electrical connection, the connecting rod 8 is located directly above the slider 7, and the base 9 is located on the end surface of the connecting rod 8.
[0022] The working process of the utility model is as follows: when the adjustable ground resistance tester designed by the present invention is used, when the instrument needs to be used for testing, the handle 10 located on the outer wall of the base 9 is first used to move the instrument to a suitable position, and the controller 2 located on the outer wall of the fixed body 1 is used to operate the motor 6 located at one end of the threaded rod 5, and the driving shaft of the motor 6 rotates to drive the threaded rod 5 located on the inner wall of the slide groove 4 to rotate, and drives the slider 7 located on the outer wall of the threaded rod 5 to move up and down, and drives the connecting rod 8 located on the outer wall of the slider 7 and the base 9 located on the outer wall of the connecting rod 8 to move up and down, so that the base 9 is located at a suitable height, and then the test is carried out, so as to observe the test results after the test is completed, thereby solving the problem that some existing resistance testers may have a fixed height, which is not convenient for height adjustment and may be inconvenient for observing the test results.
[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An adjustable ground resistance tester, comprising a fixed body (1), characterized in that: A controller (2) is mounted on the outer wall of the fixed body (1); a fixed rod (3) is mounted on the outer wall of the fixed body (1); a slide groove (4) is provided on the outer wall of the fixed body (1); a threaded rod (5) is mounted on the inner wall of the slide groove (4); one end of the threaded rod (5) passes through the outer wall of the fixed body (1) and is fixedly connected to a motor (6); a slider (7) is mounted on the outer wall of the threaded rod (5); a connecting rod (8) is mounted on the outer wall of the slider (7); a base (9) is mounted on the outer wall of the connecting rod (8); a handle (10) is mounted on the outer wall of the base (9); an annular body (11) is mounted on the outer wall of the base (9); and a testing device (12) is connected to the inner wall of the annular body (11).
2. The adjustable ground resistance tester according to claim 1, characterized in that: The fixed body (1) is installed with multiple groups and are respectively located on the outer wall of the fixed rod (3); the fixed rod (3) is installed with multiple groups and are respectively located on the outer wall of the fixed body (1); the connection mode of the threaded rod (5) and the sliding groove (4) is a rotation connection.
3. The adjustable ground resistance tester according to claim 1, characterized in that: The slide grooves (4) are provided in multiple groups and are respectively located on the outer wall of the fixed body (1); the threaded rods (5) are installed in multiple groups and are respectively located on the inner wall of the slide grooves (4); and the connection mode of the slider (7) and the connecting rod (8) is a fixed connection.
4. The adjustable ground resistance tester according to claim 1, characterized in that: The motors (6) are installed in multiple groups and are respectively located at one end of the threaded rod (5); the sliders (7) are installed in multiple groups and are respectively located on the outer wall of the threaded rod (5); and the connection between the testing device (12) and the annular body (11) is a fixed connection.
5. The adjustable ground resistance tester according to claim 1, characterized in that: The connecting rods (8) are installed in multiple groups and are respectively located on the outer wall of the slider (7); the handles (10) are installed in two groups and are respectively located on the outer wall of the base (9); and the threaded rod (5) and the slider (7) are connected in a sliding manner.
6. The adjustable ground resistance tester according to claim 1, characterized in that: The controller (2) is connected to the motor (6) via a wire and the connection is electrical; the connecting rod (8) is located directly above the slider (7); and the base (9) is located on the end surface of the connecting rod (8).