Clamp type grounding resistance tester

Abstract

The utility model provides a clamp type grounding resistance tester. The clamp type grounding resistance tester comprises a clamp type grounding resistance tester body; the mounting seat is arranged on the clamp type grounding resistance tester body in a sleeving manner; the positioning block is fixedly arranged at the bottom of the clamp type grounding resistance tester body; the pin hole is formed in the bottom of the positioning block; the positioning mechanism is arranged on the mounting seat, and the positioning mechanism is used for fixing a clamp type grounding resistance tester body; the pressing mechanism is arranged on the mounting seat; the angle adjusting mechanism is arranged at the bottom of the mounting seat; and the telescopic mechanism is arranged at the bottom of the angle adjusting mechanism. The clamp-type grounding resistance tester provided by the utility model has the advantages that the clamp-type grounding resistance tester has the functions of extension and angle adjustment, and is relatively convenient to operate, assemble and disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of clamp-type grounding resistance testers, in particular to a clamp-type grounding resistance tester. Background Art

[0002] The clamp-type ground resistance tester, also known as 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 grounding project completion acceptance. The ground resistance tester has infiltrated a large amount of microprocessor technology, and its measurement function, content and accuracy are incomparable to general instruments. Advanced ground resistance testers can meet all grounding measurement requirements. Using the new clamp method, there is no need to drive piles and lay out lines for direct online measurement. A powerful ground resistance tester is controlled by a microprocessor, which can automatically detect the connection status of each interface and the interference voltage and interference frequency of the ground network, and has unique functions such as value retention and intelligent prompts. The clamp-type ground resistance tester is suitable for ground resistance measurement of power, telecommunications, meteorology and other equipment.

[0003] However, existing clamp-type ground resistance testers often do not have telescopic extension and angle adjustment functions, so it is not convenient to perform ground resistance testing on equipment at high places, which is quite inconvenient.

[0004] Therefore, it is necessary to provide a clamp-type ground resistance tester to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the technical problem that the existing clamp-type grounding resistance tester often has no telescopic extension and angle adjustment functions, the utility model provides a clamp-type grounding resistance tester.

[0006] The utility model provides a clamp-type grounding resistance tester comprising: a clamp-type grounding resistance tester body; a mounting seat, wherein the mounting seat is sleeved on the clamp-type grounding resistance tester body; a positioning block, wherein the positioning block is fixedly mounted on the bottom of the clamp-type grounding resistance tester body; a pin hole, wherein the pin hole is arranged at the bottom of the positioning block; a positioning mechanism, wherein the positioning mechanism is arranged on the mounting seat and is used to fix the clamp-type grounding resistance tester body; a pressing mechanism, wherein the pressing mechanism is arranged on the mounting seat; an angle adjustment mechanism, wherein the angle adjustment mechanism is arranged at the bottom of the mounting seat; and a telescopic mechanism, wherein the telescopic mechanism is arranged at the bottom of the angle adjustment mechanism.

[0007] Preferably, the positioning mechanism includes a sliding rod, a rectangular plate, a pin block, a spring and a pull ring, the sliding rod is slidably mounted on the mounting seat, the rectangular plate is fixedly mounted on one end of the sliding rod, the pin block is fixedly mounted on one side of the rectangular plate, the pin block is adapted to the pin hole, the spring is slidably mounted on the sliding rod, and the pull ring is fixedly mounted on one end of the sliding rod.

[0008] Preferably, the pressing mechanism includes two side plates, a rotating shaft, a pressure plate, a first motor and two first bevel gears, the two side plates are fixedly mounted on one side of the mounting seat, the rotating shaft is rotatably mounted on the side where the two side plates are close to each other, the pressure plate is fixedly sleeved on the rotating shaft, the first motor is fixedly mounted on one side of the mounting seat, the two first bevel gears are respectively fixedly mounted on the output shaft of the first motor and the rotating shaft, and the two first bevel gears are meshed with each other.

[0009] Preferably, the angle adjustment mechanism includes a U-shaped plate, a support shaft, a rotating plate, a second motor and two second bevel gears, the U-shaped plate is arranged at the bottom of the mounting seat, the support shaft is rotatably mounted on the inner wall of the U-shaped plate, the rotating plate is fixedly sleeved on the support shaft, the rotating plate is fixedly connected to the mounting seat, the second motor is fixedly mounted on the inner wall of the U-shaped plate, the two second bevel gears are respectively fixedly mounted on the output shaft of the second motor and the support shaft, and the two second bevel gears are meshed with each other.

[0010] Preferably, the angle adjustment mechanism comprises an electric telescopic rod and a handle, the electric telescopic rod is arranged at the bottom of the U-shaped plate, the output rod of the electric telescopic rod is fixedly connected to the U-shaped plate, and the handle is arranged on the electric telescopic rod.

[0011] Preferably, a control panel is provided on the handle, and the control panel is electrically connected to the first motor, the second motor and the electric telescopic rod.

[0012] Preferably, a lithium battery is arranged on the inner wall of the handle, and the lithium battery is electrically connected to the control panel. A charging interface is arranged at the bottom of the handle, and the charging interface is electrically connected to the lithium battery.

[0013] Compared with the related art, the clamp-type ground resistance tester provided by the utility model has the following beneficial effects:

[0014] The utility model provides a clamp-type grounding resistance tester. The clamp-type grounding resistance tester body can be installed through a mounting seat, the clamp-type grounding resistance tester body can be fixed on the mounting seat through a positioning block and a positioning mechanism, the rear end of the clamp body of the clamp-type grounding resistance tester body can be pressed through a pressing mechanism, so as to control the opening and closing of the front end of the clamp-type grounding resistance tester body, the test angle of the clamp-type grounding resistance tester body can be adjusted through an angle adjustment mechanism, the extension length of the clamp-type grounding resistance tester body can be adjusted through a telescopic mechanism, so as to perform grounding resistance testing on equipment at a high place, and the clamp-type grounding resistance tester body can be installed through the cooperation of a sliding rod, a rectangular plate, a pin block, a spring and a pull ring. It is fixed on the mounting base, and the rotating shaft is driven to rotate by the first motor and the two first bevel gears, and the rotating shaft drives the pressure plate to rotate, and the rear end of the clamp body on the clamp type ground resistance tester body is pressed by the pressure plate, so that the front end of the clamp body is opened or closed, and the supporting shaft is driven to rotate by the second motor and the two second bevel gears, and the supporting shaft drives the mounting base to rotate through the rotating plate, so as to adjust the angle of the clamp type ground resistance tester body, and the extension length of the clamp type ground resistance tester body can be adjusted by the electric telescopic rod, and the first motor, the second motor and the electric telescopic rod can be operated and controlled by the control panel, the device can be powered by a lithium battery, and the charging cable can be connected externally through the charging interface to charge the lithium battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of the clamp-type ground resistance tester provided by the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the handle and the electric telescopic rod;

[0017] Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown in FIG.

[0018] Numbers in the figure: 1. Clamp-type ground resistance tester body; 2. Mounting base; 3. Positioning block; 4. Pin hole; 5. Sliding rod; 6. Rectangular plate; 7. Pin block; 8. Spring; 9. Pull ring; 10. Side plate; 11. Rotating shaft; 12. Pressing plate; 13. First motor; 14. First bevel gear; 15. U-shaped plate; 16. Support shaft; 17. Rotating plate; 18. Second motor; 19. Second bevel gear; 20. Electric telescopic rod; 21. Handle; 22. Control panel; 23. Lithium battery; 24. Charging port. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1-3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the clamp-type ground resistance tester provided by the utility model; Figure 2 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the handle and the electric telescopic rod; Figure 3 for Figure 1 The enlarged schematic diagram of part A shown in the figure. The clamp-type ground resistance tester includes: a clamp-type ground resistance tester body 1; a mounting seat 2, the mounting seat 2 is sleeved on the clamp-type ground resistance tester body 1; a positioning block 3, the positioning block 3 is fixedly mounted on the bottom of the clamp-type ground resistance tester body 1; a pin hole 4, the pin hole 4 is opened at the bottom of the positioning block 3; a positioning mechanism, the positioning mechanism is arranged on the mounting seat 2, and the positioning mechanism is used to fix the clamp-type ground resistance tester body 1; a pressing mechanism, the pressing mechanism is arranged on the mounting seat 2; an angle adjustment mechanism, the angle adjustment mechanism is arranged at the bottom of the mounting seat 2; a telescopic mechanism, The telescopic mechanism is arranged at the bottom of the angle adjustment mechanism. The clamp-type ground resistance tester body 1 can be installed through the mounting seat 2. The clamp-type ground resistance tester body 1 can be installed and fixed on the mounting seat 2 through the positioning block 3 and the positioning mechanism. The rear end of the clamp body of the clamp-type ground resistance tester body 1 can be pressed by the pressing mechanism, so as to control the opening and closing of the front end of the clamp-type ground resistance tester body 1. The test angle of the clamp-type ground resistance tester body 1 can be adjusted by the angle adjustment mechanism. The extension length of the clamp-type ground resistance tester body 1 can be adjusted by the telescopic mechanism, so as to perform ground resistance testing on equipment at high places.

[0021] The positioning mechanism includes a sliding rod 5, a rectangular plate 6, a pin block 7, a spring 8 and a pull ring 9. The sliding rod 5 is slidably installed on the mounting seat 2, the rectangular plate 6 is fixedly installed on one end of the sliding rod 5, the pin block 7 is fixedly installed on one side of the rectangular plate 6, the pin block 7 is adapted to the pin hole 4, the spring 8 is slidably sleeved on the sliding rod 5, and the pull ring 9 is fixedly installed on one end of the sliding rod 5. The clamp-type ground resistance tester body 1 can be installed and fixed on the mounting seat 2 by cooperating with the sliding rod 5, the rectangular plate 6, the pin block 7, the spring 8 and the pull ring 9.

[0022] The pressing mechanism includes two side plates 10, a rotating shaft 11, a pressing plate 12, a first motor 13 and two first bevel gears 14. The two side plates 10 are fixedly mounted on one side of the mounting seat 2. The rotating shaft 11 is rotatably mounted on the side where the two side plates 10 are close to each other. The pressing plate 12 is fixedly sleeved on the rotating shaft 11. The first motor 13 is fixedly mounted on one side of the mounting seat 2. The two first bevel gears 14 are respectively fixedly mounted on the output shaft of the first motor 13 and the rotating shaft 11. The two first bevel gears 14 are meshed with each other. The rotating shaft 11 is driven to rotate by the first motor 13 and the two first bevel gears 14. The rotating shaft 11 drives the pressing plate 12 to rotate. The rear end of the clamp body on the clamp-type ground resistance tester body 1 is pressed by the pressing plate 12, so that the front end of the clamp body is opened or closed.

[0023] The angle adjustment mechanism includes a U-shaped plate 15, a support shaft 16, a rotating plate 17, a second motor 18 and two second bevel gears 19, the U-shaped plate 15 is arranged at the bottom of the mounting seat 2, the support shaft 16 is rotatably mounted on the inner wall of the U-shaped plate 15, the rotating plate 17 is fixedly sleeved on the support shaft 16, the rotating plate 17 is fixedly connected to the mounting seat 2, the second motor 18 is fixedly mounted on the inner wall of the U-shaped plate 15, and the two second bevel gears 19 are respectively fixedly mounted on the output shaft of the second motor 18 and the support shaft 16, the two second bevel gears 19 are meshed with each other, the support shaft 16 is driven to rotate by the second motor 18 and the two second bevel gears 19, and the support shaft 16 drives the mounting seat 2 to rotate through the rotating plate 17, thereby adjusting the angle of the clamp-type ground resistance tester body 1.

[0024] The angle adjustment mechanism includes an electric telescopic rod 20 and a handle 21. The electric telescopic rod 20 is arranged at the bottom of the U-shaped plate 15. The output rod of the electric telescopic rod 20 is fixedly connected to the U-shaped plate 15. The handle 21 is arranged on the electric telescopic rod 20. The extension length of the clamp-type ground resistance tester body 1 can be adjusted through the electric telescopic rod 20.

[0025] The handle 21 is provided with a control panel 22 , and the control panel 22 is electrically connected to the first motor 13 , the second motor 18 and the electric telescopic rod 20 . The first motor 13 , the second motor 18 and the electric telescopic rod 20 can be operated and controlled through the control panel 22 .

[0026] A lithium battery 23 is arranged on the inner wall of the handle 21, and the lithium battery 23 is electrically connected to the control panel 22. A charging interface 24 is arranged at the bottom of the handle 21, and the charging interface 24 is electrically connected to the lithium battery 23. The device can be powered by the lithium battery 23, and an external charging cable can be connected through the charging interface 24 to charge the lithium battery 23.

[0027] The working principle of the clamp-type ground resistance tester provided by the utility model is as follows:

[0028] When in use, insert the clamp-type ground resistance tester body 1 into the mounting seat 2, pull the pull ring 9 to make the bottom of the positioning block 3 contact the bottom inner wall of the mounting seat 2, loosen the pull ring 9, and the spring 8 rebounds to allow the pin block 7 to be inserted into the pin hole 4, thereby fixing the clamp-type ground resistance tester body 1 on the mounting seat 2. The staff holds the handle 21 and adjusts the extension length of the clamp-type ground resistance tester body 1 through the electric telescopic rod 20, so as to perform ground resistance testing on high equipment. During the test, the angle of the clamp-type ground resistance tester body 1 can be adjusted according to the direction of the grounding wire, and the second motor 18 is started. The second motor 18 is driven by two second conical gears. The wheel 19 drives the support shaft 16 to rotate, and the support shaft 16 drives the mounting base 2 to rotate through the rotating plate 17, so as to adjust the angle of the clamp-type ground resistance tester body 1, and start the first motor 13. The first motor 13 drives the rotating shaft 11 to rotate through the two first bevel gears 14, and the rotating shaft 11 drives the pressing plate 12 to rotate. The rear end of the clamp body on the clamp-type ground resistance tester body 1 is pressed by the pressing plate 12, so that the front end of the clamp body is opened, and the grounding wire is placed on the inner side of the clamp body. The pressing plate 12 is reset by controlling the first motor 13 to rotate in the opposite direction, so that the front end of the clamp body is closed, and then the ground resistance test of the equipment can be performed through the clamp-type ground resistance tester body 1.

[0029] Compared with the related art, the clamp-type ground resistance tester provided by the utility model has the following beneficial effects:

[0030] The utility model provides a clamp-type grounding resistance tester. A clamp-type grounding resistance tester body 1 can be installed through a mounting seat 2. The clamp-type grounding resistance tester body 1 can be installed and fixed on the mounting seat 2 through a positioning block 3 and a positioning mechanism. The rear end of the clamp body of the clamp-type grounding resistance tester body 1 can be pressed through a pressing mechanism, thereby controlling the opening and closing of the front end of the clamp-type grounding resistance tester body 1. The test angle of the clamp-type grounding resistance tester body 1 can be adjusted through an angle adjustment mechanism. The extension length of the clamp-type grounding resistance tester body 1 can be adjusted through a telescopic mechanism, thereby performing grounding resistance testing on equipment at a high place. The clamp-type grounding resistance tester body 1 can be installed and fixed on the mounting seat 2 through the cooperation of a sliding rod 5, a rectangular plate 6, a pin block 7, a spring 8 and a pull ring 9. The clamp-type grounding resistance tester body 1 can be installed and fixed on the mounting seat 2 through a first electric The machine 13 and the two first bevel gears 14 drive the rotating shaft 11 to rotate, and the rotating shaft 11 drives the pressing plate 12 to rotate. The rear end of the clamp body on the clamp type ground resistance tester body 1 is pressed by the pressing plate 12, so that the front end of the clamp body is opened or closed. The second motor 18 and the two second bevel gears 19 drive the supporting shaft 16 to rotate, and the supporting shaft 16 drives the mounting base 2 to rotate through the rotating plate 17, so as to adjust the angle of the clamp type ground resistance tester body 1. The extension length of the clamp type ground resistance tester body 1 can be adjusted by the electric telescopic rod 20. The first motor 13, the second motor 18 and the electric telescopic rod 20 can be operated and controlled by the control panel 22. The device can be powered by the lithium battery 23, and the charging cable can be connected externally through the charging interface 24 to charge the lithium battery 23.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A clamp-type ground resistance tester, characterized in that: include: Clamp type ground resistance tester body; A mounting seat, the mounting seat is sleeved on the clamp-type ground resistance tester body; A positioning block, the positioning block is fixedly mounted on the bottom of the clamp-type ground resistance tester body; A pin hole, the pin hole being provided at the bottom of the positioning block; A positioning mechanism, the positioning mechanism is arranged on the mounting seat, and the positioning mechanism is used to fix the clamp-type ground resistance tester body; A pressing mechanism, wherein the pressing mechanism is arranged on the mounting seat; An angle adjustment mechanism, the angle adjustment mechanism is arranged at the bottom of the mounting seat; A telescopic mechanism is arranged at the bottom of the angle adjustment mechanism.

2. The clamp type ground resistance tester according to claim 1, characterized in that: The positioning mechanism includes a sliding rod, a rectangular plate, a pin block, a spring and a pull ring. The sliding rod is slidably mounted on the mounting seat, the rectangular plate is fixedly mounted on one end of the sliding rod, the pin block is fixedly mounted on one side of the rectangular plate, the pin block is adapted to the pin hole, the spring is slidably mounted on the sliding rod, and the pull ring is fixedly mounted on one end of the sliding rod.

3. The clamp type ground resistance tester according to claim 1, characterized in that: The pressing mechanism includes two side plates, a rotating shaft, a pressure plate, a first motor and two first bevel gears. The two side plates are fixedly mounted on one side of the mounting seat. The rotating shaft is rotatably mounted on the side where the two side plates are close to each other. The pressure plate is fixedly sleeved on the rotating shaft. The first motor is fixedly mounted on one side of the mounting seat. The two first bevel gears are respectively fixedly mounted on the output shaft of the first motor and the rotating shaft, and the two first bevel gears are meshed with each other.

4. The clamp-type ground resistance tester according to claim 3, characterized in that: The angle adjustment mechanism includes a U-shaped plate, a support shaft, a rotating plate, a second motor and two second bevel gears, the U-shaped plate is arranged at the bottom of the mounting seat, the support shaft is rotatably mounted on the inner wall of the U-shaped plate, the rotating plate is fixedly sleeved on the support shaft, the rotating plate is fixedly connected to the mounting seat, the second motor is fixedly mounted on the inner wall of the U-shaped plate, the two second bevel gears are respectively fixedly mounted on the output shaft of the second motor and the support shaft, and the two second bevel gears are meshed with each other.

5. The clamp-type ground resistance tester according to claim 4, characterized in that: The angle adjustment mechanism comprises an electric telescopic rod and a handle, wherein the electric telescopic rod is arranged at the bottom of the U-shaped plate, an output rod of the electric telescopic rod is fixedly connected to the U-shaped plate, and the handle is arranged on the electric telescopic rod.

6. The clamp-type ground resistance tester according to claim 5, characterized in that: The handle is provided with a control panel, and the control panel is electrically connected to the first motor, the second motor and the electric telescopic rod.

7. The clamp-type ground resistance tester according to claim 6, characterized in that: A lithium battery is arranged on the inner wall of the handle, and the lithium battery is electrically connected to the control panel. A charging interface is arranged at the bottom of the handle, and the charging interface is electrically connected to the lithium battery.

Images