Lightning protection detection ground resistance tester

Abstract

The utility model discloses a lightning protection detection grounding resistance tester, which relates to the technical field of resistance testers; the utility model comprises a resistance testing device, wherein a plurality of detection mechanisms are arranged at the upper end of the resistance testing device, a rotating mechanism is arranged at one side of the resistance testing device, the detecting mechanism comprises a connecting head, a connecting port is fixedly arranged at the lower end of the connecting head, a connecting wire is fixedly arranged at one side of the connecting head, a detecting head is fixedly arranged at one end of the connecting wire, a limiting rod is arranged inside the detecting head, a limiting plate is arranged on the outer surface of the limiting rod, a spring is fixedly arranged at the lower end of the limiting plate, and a detection port is fixedly arranged at one side of the limiting plate and the detecting head. The utility model realizes that the grounding resistance tester can be well connected when performing lightning protection detection through the detecting mechanism, and realizes that the grounding resistance tester can be well rotated when performing lightning protection detection through the rotating mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of resistance testers, in particular to a lightning protection detection grounding resistance tester. Background Art

[0002] A ground resistance tester, also called a ground resistance meter, is an instrument specifically used to directly measure the ground resistance of various grounding devices. A ground resistance measuring instrument is a resistance measuring device used in power, post and telecommunications, railways, communications, mining and other departments to measure the ground resistance of various devices and the resistance value of low-resistance conductors; it can also measure soil resistivity and ground voltage.

[0003] However, the prior art still has the following problems:

[0004] Firstly, most of the ground resistance testers in the prior art cannot be connected well when performing lightning protection detection, which causes the connection position of the ground resistance tester to easily fall off during lightning protection detection, resulting in inaccurate measurement results of the ground resistance tester during lightning protection detection.

[0005] Secondly, when the ground resistance testers in the prior art are performing lightning protection detection, most of the ground resistance testers cannot rotate well during the lightning protection detection, resulting in the ground resistance testers not being able to perform detection well during the lightning protection detection, thereby resulting in the ground resistance testers not being able to be used well during the lightning protection detection.

[0006] In view of the above problems, the inventor proposes a lightning protection detection grounding resistance tester to solve the above problems. Utility Model Content

[0007] In order to solve the problem that the ground resistance tester cannot be well connected and cannot be well rotated when performing lightning protection detection; the purpose of the utility model is to provide a lightning protection detection ground resistance tester.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a lightning protection detection grounding resistance tester, including a resistance testing device, the resistance testing device belongs to a relatively mature device in the prior art, a plurality of detection mechanisms are arranged on the upper end of the resistance testing device, the detection mechanisms are for performing lightning protection detection, a rotating mechanism is arranged on one side of the resistance testing device, the rotating mechanism is for better rotating the rocker, the detection mechanism includes a connecting head, a connecting port is fixedly arranged on the lower end of the connecting head, a connecting wire is fixedly arranged on one side of the connecting head, a detection head is fixedly arranged on one end of the connecting wire, and the detection A limit rod is provided inside the measuring head, a limit plate is provided on the outer surface of the limit rod, a spring is fixedly provided at the lower end of the limit plate, a detection port is fixedly provided on the limit plate and one side of the detection head, a plurality of wiring ports are provided at the upper end of the resistance testing device, and the inner surfaces of the plurality of wiring ports are respectively slidably fitted with the outer surfaces of the plurality of connection ports, a plurality of detection heads are provided with limit grooves at the upper ends, and the inner surfaces of the plurality of limit grooves are respectively slidably fitted with the outer surfaces of the plurality of limit plates, a plurality of limit plates are provided with limit card slots on one side, and the inner surfaces of the plurality of limit card slots are respectively rotatably fitted with the outer surfaces of the plurality of limit rods.

[0009] Preferably, the rotating mechanism includes a rocking arm, a rotating rod is fixedly provided on one side of the rocking arm, a rotating plate is fixedly provided on the outer surface of the rotating rod, a rotating clamping plate is provided on the outer surface of the rotating plate, an inner roller is fixedly provided on the outer surface of the rotating rod, an outer roller is provided on the outer surface of the inner roller, a plurality of balls are provided inside the inner roller and the outer roller, a rotating groove is provided inside the rotating clamping plate, and the inner surface of the rotating groove is rotationally fitted with the outer surface of the rotating plate, a groove is provided on the outer surface of the inner roller and the inner surface of the outer roller, and the inner surfaces of the two grooves are slidably fitted with the outer surfaces of the plurality of balls, a rotating clamping groove is provided on the outer surface of the inner roller and the outer surface of the outer roller, and the inner surfaces of the rotating clamping groove are rotationally fitted with the outer surface of the inner roller and the outer surface of the outer roller.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The utility model uses a detection mechanism, under the action of the connection port, so that the connector can be connected to the wiring port through the connection port, and then the limit plate on the detection head at one end of the connecting line can drive the limit slot on the limit plate to slide on the inner surface of the limit slot through the limit rod under the action of the spring, so that the limit plate can drive the detection port to cooperate with the detection port on one side of the detection head to clamp and connect the position to be detected, so that the ground resistance tester can be well connected when performing lightning protection detection;

[0012] 2. The utility model uses a rotating mechanism, under the action of the ball, so that the rocker can drive the inner roller on the rotating rod to rotate when it rotates, so that the outer roller can cooperate with the inner roller to rotate on the outer surface of the ball in the groove, so that the rocker can rotate better, and through the rotating plate, the rotating plate can be limited in the rotating groove on the rotating card plate, so that the ground resistance tester can rotate well during lightning protection detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the detection mechanism of the utility model.

[0016] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle.

[0017] Figure 4 It is a schematic diagram of the rotating mechanism of the utility model.

[0018] In the figure: 1. resistance test equipment; 2. detection mechanism; 3. rotation mechanism; 20. wiring port; 21. connection port; 22. connector; 23. connection line; 24. detection head; 25. limit plate; 26. detection port; 27. limit rod; 28. limit slot; 29. ​​spring; 201. limit slot; 30. rotation plate; 31. rocker; 32. rotation rod; 33. inner roller; 34. ball; 35. outer roller; 36. groove; 37. rotation slot; 38. rotation slot; 39. rotation card plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1: Figure 1-3As shown, the utility model provides a lightning protection detection grounding resistance tester, including a resistance test device 1, a plurality of detection mechanisms 2 are arranged at the upper end of the resistance test device 1, a rotating mechanism 3 is arranged at one side of the resistance test device 1, the detection mechanism 2 includes a connector 22, a connection port 21 is fixedly arranged at the lower end of the connector 22, a connecting wire 23 is fixedly arranged at one side of the connector 22, a detection head 24 is fixedly arranged at one end of the connection wire 23, a limit rod 27 is arranged inside the detection head 24, a limit plate 25 is arranged on the outer surface of the limit rod 27, a spring 29 is fixedly arranged at the lower end of the limit plate 25, a detection port 26 is fixedly arranged at one side of the limit plate 25 and the detection head 24, when the grounding resistance tester needs to perform lightning protection detection, During testing, through the detection mechanism 2 on the resistance testing equipment 1, under the action of the connection port 21, the connecting head 22 can be connected to the wiring port 20 through the connection port 21, and then the limit plate 25 on the detection head 24 at one end of the connecting line 23 can be driven by the spring 29 to drive the limit slot 28 on the limit plate 25 to slide on the inner surface of the limit slot 201 through the limit rod 27, so that the limit plate 25 can drive the detection port 26 to cooperate with the detection port 26 on one side of the detection head 24 to clamp and connect the position to be detected. When it needs to be released, press one side of the limit plate 25 to disengage from the limit, thereby achieving the purpose of the ground resistance tester being able to be well connected during lightning protection detection.

[0021] A plurality of wiring ports 20 are provided at the upper end of the resistance testing device 1 , and the inner surfaces of the plurality of wiring ports 20 are slidably fitted with the outer surfaces of the plurality of connection ports 21 .

[0022] By adopting the above technical solution, the connection port 21 can slide on the inner surface of the wiring port 20 through the wiring port 20 .

[0023] The upper ends of the plurality of detection heads 24 are all provided with limiting grooves 201 , and the inner surfaces of the plurality of limiting grooves 201 are respectively slidably fitted with the outer surfaces of the plurality of limiting plates 25 .

[0024] By adopting the above technical solution, the limiting plate 25 can slide on the inner surface of the limiting groove 201 through the limiting groove 201 .

[0025] A limiting slot 28 is formed on one side of the limiting plates 25 , and inner surfaces of the limiting slots 28 are rotatably fitted with outer surfaces of the limiting rods 27 .

[0026] By adopting the above technical solution, the limiting rod 27 can pass through the limiting slot 28 and rotate on the inner surface of the limiting slot 28 .

[0027] Embodiment 2: Figure 4As shown, the rotating mechanism 3 includes a rocker 31, a rotating rod 32 is fixedly provided on one side of the rocker 31, a rotating plate 30 is fixedly provided on the outer surface of the rotating rod 32, a rotating clamping plate 39 is provided on the outer surface of the rotating plate 30, an inner roller 33 is fixedly provided on the outer surface of the rotating rod 32, an outer roller 35 is provided on the outer surface of the inner roller 33, and a plurality of balls 34 are provided inside the inner roller 33 and the outer roller 35. When the ground resistance tester needs to perform lightning protection detection, through the rotating mechanism 3, under the action of the balls 34, the rocker 31 can drive the inner roller 33 on the rotating rod 32 to rotate when it rotates, so that the outer roller 35 can cooperate with the inner roller 33 to rotate on the outer surface of the ball 34 in the groove 36, so that the rocker 31 can be better rotated, and through the rotating plate 30, the rotating plate 30 can be limited in the rotating groove 38 on the rotating clamping plate 39, so that the ground resistance tester can be well rotated when performing lightning protection detection.

[0028] By adopting the above technical solution, the ground resistance tester can be rotated well when performing lightning protection detection.

[0029] A rotation groove 38 is formed inside the rotation clamping plate 39 , and the inner surface of the rotation groove 38 is rotationally fitted to the outer surface of the rotation plate 30 .

[0030] By adopting the above technical solution, the rotating plate 30 can rotate on the inner surface of the rotating groove 38 through the rotating groove 38 .

[0031] The outer surface of the inner roller 33 and the inner surface of the outer roller 35 are both provided with grooves 36 , and the inner surfaces of the two grooves 36 are slidably fitted with the outer surfaces of the plurality of balls 34 .

[0032] By adopting the above technical solution, the ball 34 can pass through the groove 36 and slide on the inner surface of the groove 36 .

[0033] The outer surfaces of the inner roller 33 and the outer surfaces of the outer roller 35 are both provided with a rotation slot 37 , and the inner surfaces of the rotation slot 37 are rotationally fitted to the outer surfaces of the inner roller 33 and the outer roller 35 .

[0034] By adopting the above technical solution, the inner roller 33 and the outer roller 35 can rotate on the inner surface of the rotating slot 37 through the rotating slot 37 .

[0035] Working principle: When the ground resistance tester needs to perform lightning protection detection, through the detection mechanism 2 on the resistance test equipment 1, under the action of the connection port 21, the connection head 22 can be connected to the wiring port 20 through the connection port 21, and then the limit plate 25 on the detection head 24 at one end of the connecting line 23 can drive the limit card slot 28 on the limit plate 25 to slide on the inner surface of the limit slot 201 through the limit rod 27 under the action of the spring 29, so that the limit plate 25 can drive the detection port 26 to cooperate with the detection port 26 on one side of the detection head 24 to clamp and connect the position to be detected. When it needs to be released, press one side of the limit plate 25 to disengage from the limit, thereby achieving The existing ground resistance tester can be well connected when performing lightning protection detection. When the ground resistance tester needs to perform lightning protection detection, through the rotating mechanism 3, under the action of the ball 34, the rocker 31 can drive the inner roller 33 on the rotating rod 32 to rotate when it rotates, so that the outer roller 35 can cooperate with the inner roller 33 to rotate on the outer surface of the ball 34 in the groove 36, so that the rocker 31 can be better rotated, and through the rotating plate 30, the rotating plate 30 can be limited in the rotating groove 38 on the rotating clamping plate 39, thereby achieving the purpose that the ground resistance tester can be well rotated when performing lightning protection detection.

[0036] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A lightning protection detection ground resistance tester, comprising a resistance test device (1), characterized in that: A plurality of detection mechanisms (2) are provided at the upper end of the resistance testing device (1), and a rotating mechanism (3) is provided at one side of the resistance testing device (1); The detection mechanism (2) comprises a connecting head (22), a connecting port (21) is fixedly provided at the lower end of the connecting head (22), a connecting wire (23) is fixedly provided on one side of the connecting head (22), a detection head (24) is fixedly provided on one end of the connecting wire (23), a limiting rod (27) is provided inside the detection head (24), a limiting plate (25) is provided on the outer surface of the limiting rod (27), a spring (29) is fixedly provided at the lower end of the limiting plate (25), and a detection port (26) is fixedly provided on one side of the limiting plate (25) and the detection head (24).

2. A lightning protection detection ground resistance tester as claimed in claim 1, characterized in that: The rotating mechanism (3) comprises a rocking arm (31), a rotating rod (32) is fixedly provided on one side of the rocking arm (31), a rotating plate (30) is fixedly provided on the outer surface of the rotating rod (32), a rotating clamping plate (39) is provided on the outer surface of the rotating plate (30), an inner roller (33) is fixedly provided on the outer surface of the rotating rod (32), an outer roller (35) is provided on the outer surface of the inner roller (33), and a plurality of balls (34) are provided inside the inner roller (33) and the outer roller (35).

3. A lightning protection detection ground resistance tester as claimed in claim 1, characterized in that: The upper end of the resistance testing device (1) is provided with a plurality of wiring ports (20), and the inner surfaces of the plurality of wiring ports (20) are respectively slidably fitted with the outer surfaces of the plurality of connection ports (21).

4. A lightning protection detection grounding resistance tester as claimed in claim 1, characterized in that: The upper ends of the plurality of detection heads (24) are each provided with a limiting groove (201), and the inner surfaces of the plurality of limiting grooves (201) are respectively slidably fitted with the outer surfaces of the plurality of limiting plates (25).

5. A lightning protection detection ground resistance tester as claimed in claim 1, characterized in that: A limiting slot (28) is provided on one side of the plurality of limiting plates (25), and the inner surfaces of the plurality of limiting slots (28) are respectively rotatably fitted with the outer surfaces of the plurality of limiting rods (27).

6. A lightning protection detection grounding resistance tester as claimed in claim 2, characterized in that: The rotating clamping plate (39) is provided with a rotating groove (38) inside, and the inner surface of the rotating groove (38) is rotationally fitted with the outer surface of the rotating plate (30).

7. A lightning protection detection ground resistance tester as claimed in claim 2, characterized in that: The outer surface of the inner roller (33) and the inner surface of the outer roller (35) are both provided with grooves (36), and the inner surfaces of the two grooves (36) are slidably fitted with the outer surfaces of the plurality of balls (34).

8. A lightning protection detection ground resistance tester as claimed in claim 2, characterized in that: The outer surfaces of the inner roller (33) and the outer surfaces of the outer roller (35) are both provided with a rotation slot (37), and the inner surfaces of the rotation slot (37) are rotationally fitted with the outer surfaces of the inner roller (33) and the outer surfaces of the outer roller (35).

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