Rapid grinding and clamping device for ground resistance measurement

Abstract

A quick grinding and clamping device for ground resistance measurement comprises a file, one end of the file is provided with a file handle, the file handle is provided with a connecting slot, a binding post is inserted in the connecting slot, one end of the binding post is provided with an end plate with the same outer diameter as the file handle, and the tail end of the binding post is connected with a wire. A plurality of first positioning grooves distributed in the annular direction are formed in the side wall of the file handle, a plurality of second positioning grooves distributed in the annular direction are formed in the side wall of the end plate, the number of the first positioning grooves is the same as that of the second positioning grooves, a connecting belt wraps the contact position of the file handle and the end plate, and two sets of positioning protruding blocks are arranged on the belt face of the connecting belt. And the two groups of positioning bumps are respectively inserted into the first positioning groove and the second positioning groove. According to the utility model, the file with the clamping piece can be directly clamped and connected with the object to be measured after the object to be measured is polished by using the file, and a lead is quickly connected through the quick connection end, so that the preparation operation efficiency before the grounding resistance measurement operation is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of ground resistance measurement, in particular to a ground resistance measurement fast grinding clamping device. Background Art

[0002] In power systems, the performance of the grounding system is crucial for ensuring personnel safety and stable equipment operation. Ground resistance is a key indicator of grounding system performance. Current ground resistance measurements require filing and polishing the surface of the object to be measured to remove rust and ensure a smooth circuit. After polishing, the object must be clamped with a wire clamp, making this a cumbersome process. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide a quick grinding and clamping device for ground resistance measurement, which can directly clamp and connect the file with the clip and the object to be measured after the object to be measured is grounded with the file, and quickly connect the wires through the quick-connect end, thereby greatly improving the preparation efficiency before the ground resistance measurement operation.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a ground resistance measurement quick grinding clamping device, comprising a file, one end of the file is provided with a file handle, the file handle is provided with a connecting slot, a terminal is inserted and installed in the connecting slot, one end of the terminal is provided with an end plate with the same outer diameter as the file handle, and the tail end of the terminal is connected to a wire;

[0005] The side wall of the file handle is provided with a plurality of first positioning grooves distributed circumferentially, and the side wall of the end plate is provided with a plurality of second positioning grooves distributed circumferentially, the number of the first positioning grooves and the second positioning grooves being the same, and a connecting belt is provided on the contact position between the file handle and the end plate, and two groups of positioning protrusions are provided on the belt surface of the connecting belt, and the two groups of positioning protrusions are respectively inserted into the first positioning groove and the second positioning groove.

[0006] In a preferred solution, a clip is provided on the file, and a clamping portion is formed between the clip and the file.

[0007] In a preferred solution, the file is provided with a first hinge seat, the clip is provided with a second hinge seat, a transverse axis is fixedly provided on the first hinge seat, the transverse axis passes through an opening on the second hinge seat, and a torsion spring is further provided in the hole.

[0008] In a preferred solution, a spring piece is provided in the connecting slot, and a connecting ring groove is provided on the terminal. When the file handle is connected to the terminal, the spring piece is located in the connecting ring groove and realizes the axial connection and fixation of the file handle and the terminal.

[0009] In a preferred embodiment, the connecting belt is a soft belt-like structure, a buckle is provided at one end of the connecting belt, a positioning protrusion is located on one side of the belt surface of the connecting belt, and a Velcro is provided on the other side of the belt surface of the connecting belt, and the Velcro is set at one end of the connecting belt away from the buckle.

[0010] In a preferred solution, the Velcro includes a fleece surface and a hook surface, the hook surface is located at one end of the connecting belt surface, the fleece surface is longer than the hook surface and is arranged close to the hook surface.

[0011] The utility model provides a ground resistance measurement fast grinding clamping device, which has the following beneficial effects by adopting the above structure:

[0012] (1) The clip installed on the file can realize the connection between the file and the object to be tested directly after the rust is removed, which speeds up the efficiency of the ground wire connection operation. There is no need to configure the file and the wire clamp separately, avoiding the tedious problem of carrying multiple working tools;

[0013] (2) The connection slot at the end of the file handle can be used to quickly connect the terminal and the file, thus achieving quick wiring operation;

[0014] (3) The connection between the terminal and the file is further strengthened by the connecting belt to ensure the stability of the circuit during the measurement operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the connecting belt of the present utility model.

[0018] Figure 3 This is a schematic diagram of the connecting belt structure of the present utility model.

[0019] In the figure: file 1, first hinge seat 101, horizontal axis 102, clip 2, anti-slip teeth 201, second hinge seat 202, torsion spring 3, file handle 4, first positioning groove 401, connecting slot 5, spring piece 6, terminal 7, connecting ring groove 8, end plate 9, second positioning groove 901, wire 10, connecting belt 11, positioning protrusion 12, buckle 13, Velcro 14, fur surface 141, hook surface 142. DETAILED DESCRIPTION

[0020] like Figure 1-3A quick grinding and clamping device for measuring ground resistance includes a file 1, a file handle 4 is provided at one end of the file 1, a connecting slot 5 is provided on the file handle 4, a terminal 7 is inserted and installed in the connecting slot 5, an end plate 9 with the same outer diameter as the file handle 4 is provided at one end of the terminal 7, and a wire 10 is connected to the tail end of the terminal 7;

[0021] The side wall of the file handle 4 is provided with a plurality of first positioning grooves 401 distributed circumferentially, and the side wall of the end plate 9 is provided with a plurality of second positioning grooves 901 distributed circumferentially. The number of the first positioning grooves 401 and the second positioning grooves 901 are the same. A connecting belt 11 is covered on the contact position between the file handle 4 and the end plate 9. Two groups of positioning protrusions 12 are provided on the belt surface of the connecting belt 11. The two groups of positioning protrusions 12 are respectively inserted into the first positioning groove 401 and the second positioning groove 901.

[0022] In a preferred embodiment, a clip 2 is provided on the file 1 , and a clamping portion is formed between the clip 2 and the file 1 .

[0023] In the preferred embodiment, the file 1 is provided with a first hinge seat 101, the clip 2 is provided with a second hinge seat 202, a horizontal axis 102 is fixed on the first hinge seat 101, the horizontal axis 102 passes through the opening on the second hinge seat 202, and a torsion spring 3 is also provided in the hole.

[0024] In the preferred embodiment, a spring piece 6 is provided in the connecting slot 5, and a connecting ring groove 8 is provided on the terminal 7. When the file handle 4 is connected to the terminal 7, the spring piece 6 is located in the connecting ring groove 8 and realizes the axial connection and fixation of the file handle 4 and the terminal 7.

[0025] In the preferred embodiment, the connecting belt 11 is a soft belt-like structure, a buckle 13 is provided at one end of the connecting belt 11, a positioning protrusion 12 is located on one side of the belt surface of the connecting belt 11, and a Velcro 14 is provided on the other side of the belt surface of the connecting belt 11. The Velcro 14 is arranged at one end of the connecting belt 11 away from the buckle 13.

[0026] In a preferred embodiment, the Velcro 14 includes a fleece surface 141 and a hook surface 142 . The hook surface 142 is located at one end of the connecting belt 11 . The fleece surface 141 is longer than the hook surface 142 and is disposed close to the hook surface 142 .

[0027] In the above embodiment:

[0028] File 1: Used to remove rust or other covering layers on the surface of the object to be tested to ensure good electrical contact.

[0029] File handle 4: connected to one end of the file, used as a gripping portion, and provided with a connecting slot 5.

[0030] Connecting slot 5: located on the file handle 4, used for installing the terminal 7.

[0031] The terminal 7 has an end plate 9 with the same outer diameter as the file handle 4 at one end, and a wire 10 connected to the tail end.

[0032] End plate 9: connected to the terminal 7, used to increase the strength of the connection between the terminal 7 and the file handle 4.

[0033] Wire 10: used to connect external measuring instruments.

[0034] Shrapnel 6: located in the connection slot 5, used to fix the terminal 7.

[0035] Connecting ring groove 8: located on the terminal 7, used in conjunction with the spring clip 6 to achieve rapid installation and removal of the terminal 7.

[0036] Connecting band 11: covers the contact position between the file handle 4 and the end plate 9 to enhance the connection stability.

[0037] Positioning protrusion 12 : located on the belt surface of the connecting belt 11 , inserted into the first positioning groove 401 of the file handle 4 and the second positioning groove 901 of the end plate 9 respectively, for fixing the position of the connecting belt 11 .

[0038] Buckle 13 : located at one end of the connecting belt 11 , used to adjust the tightness of the connecting belt 11 .

[0039] Velcro 14: located at the other end of the connecting belt 11, including a fleece surface 141 and a hook surface 142, used for fast and convenient fixing of the connecting belt 11.

[0040] File polishing: Use file 1 to remove obstacles such as rust on the surface of the object to be tested to ensure good electrical contact.

[0041] Clip clamping: Use the clip 2 to clamp the object to be measured to form a stable connection.

[0042] Terminal installation: Insert the terminal 7 into the connection slot 5 and quickly connect and fix it through the spring clip 6 and the connection ring groove 8.

[0043] Connecting belt fixing: Insert the positioning protrusion 12 on the connecting belt 11 into the positioning groove on the file handle 4 and the end plate 9, and then use the buckle 13 and Velcro 14 to adjust the tightness of the connecting belt 11 to further stabilize the connection between the terminal 7 and the file handle 4.

[0044] When performing ground resistance measurement:

[0045] Preparation: Make sure all components are in good condition and that wire 10 is properly connected to the external measuring instrument.

[0046] Grinding: Use file 1 to grind the surface of the object to be measured.

[0047] Clamping and fixing: Clamp the clip 2 on the object to be measured to ensure good electrical contact.

[0048] Wiring connection: Insert the terminal 7 into the connection slot 5, and quickly connect and fix it through the spring 6 and the connection ring groove 8.

[0049] Reinforced connection: The positioning protrusion 12 on the connecting belt 11 is matched with the positioning groove, and the connecting belt 11 is fixed with the buckle 13 and the Velcro 14 to ensure the stability of the entire device.

[0050] Measurement work: Use external measuring instruments to perform ground resistance measurements.

[0051] Through the above structural design and operating steps, the ground resistance measurement rapid grinding clamping device provided in this embodiment can effectively improve the preparation efficiency before the measurement operation, while ensuring the stability and reliability of the circuit during the measurement process.

Claims

1. A quick grinding and clamping device for measuring ground resistance, comprising a file (1), characterized in that: The file (1) is provided with a file handle (4) at one end, a connecting slot (5) is provided on the file handle (4), a terminal (7) is inserted and installed in the connecting slot (5), an end plate (9) having the same outer diameter as the file handle (4) is provided at one end of the terminal (7), and a wire (10) is connected to the tail end of the terminal (7); The side wall of the file handle (4) is provided with a plurality of first positioning grooves (401) distributed in an annular direction, and the side wall of the end plate (9) is provided with a plurality of second positioning grooves (901) distributed in an annular direction, the number of the first positioning grooves (401) and the second positioning grooves (901) being the same, and a connecting belt (11) is provided on the contact position between the file handle (4) and the end plate (9), and two groups of positioning protrusions (12) are provided on the belt surface of the connecting belt (11), and the two groups of positioning protrusions (12) are respectively inserted into the first positioning groove (401) and the second positioning groove (901).

2. A ground resistance measurement rapid grinding clamping device according to claim 1, characterized in that: The file (1) is provided with a clip (2), and a clamping portion is formed between the clip (2) and the file (1).

3. A ground resistance measurement quick grinding clamping device according to claim 2, characterized in that: The file (1) is provided with a first hinge seat (101), the clip (2) is provided with a second hinge seat (202), a transverse axis (102) is fixedly provided on the first hinge seat (101), the transverse axis (102) passes through an opening on the second hinge seat (202), and a torsion spring (3) is further provided in the hole.

4. A ground resistance measurement rapid grinding clamping device according to claim 1, characterized in that: A spring piece (6) is provided in the connecting slot (5), and a connecting ring groove (8) is provided on the terminal (7). When the file handle (4) and the terminal (7) are in a connected state, the spring piece (6) is located in the connecting ring groove (8) and realizes axial connection and fixation between the file handle (4) and the terminal (7).

5. The ground resistance measurement rapid grinding clamping device according to claim 1, characterized in that: The connecting belt (11) is a soft belt-like structure. A buckle (13) is provided at one end of the connecting belt (11). A positioning protrusion (12) is located on one side of the belt surface of the connecting belt (11). A Velcro (14) is provided on the other side of the belt surface of the connecting belt (11). The Velcro (14) is arranged at one end of the connecting belt (11) away from the buckle (13).

6. A ground resistance measurement rapid grinding clamping device according to claim 1, characterized in that: The Velcro (14) comprises a fleece surface (141) and a hook surface (142), wherein the hook surface (142) is located at one end of the connecting belt (11), and the fleece surface (141) is longer than the hook surface (142) and is arranged close to the hook surface (142).

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