CN218956785U

CN218956785U - Grounding resistance meter calibrating device

Info

Publication number: CN218956785U
Application number: CN202223073764.2U
Authority: CN
Inventors: 王晓鹏; 刘孝猛; 刘青廉
Original assignee: Liaoning North Measurement And Calibration Service Co ltd
Current assignee: Liaoning North Measurement And Calibration Service Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-02
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to the technical field of ground resistance meter calibration, in particular to a ground resistance meter calibration device which comprises a mounting frame, wherein a mounting shell is mounted on one side of the mounting frame, a fixed block is fixed at the front end of the mounting shell, a driving cylinder is fixed on the lower surface of the fixed block, an output end of the driving cylinder is connected with an adjusting piece, a limiting rod is arranged in the adjusting piece, two adjusting blocks are arranged on the outer surface of the limiting rod, detection probes are arranged on the lower surfaces of the two adjusting blocks, and limiting bolts are mounted on one sides of the two adjusting blocks. According to the utility model, the spacing rod arranged in the adjusting piece can move horizontally under the cooperation of the adjusting block, so that the distance between the two detection probes is adjusted, the detection operation on different resistance meters is convenient, and the adjusting block is conveniently fixed through the arranged spacing bolt, so that the condition that the detection probes accidentally move is avoided.

Description

Grounding resistance meter calibrating device

Technical Field

The utility model relates to the technical field of ground resistance meter calibration, in particular to a ground resistance meter calibration device.

Background

The special tester is needed for carrying out ground voltage influence test on the ground resistance meter in JJG366-2004 ground resistance meter verification procedure, the electronic transformer of the insulating resistance meter verification device insulating resistance tester calibration device is used as a product of new-period power technology development, has good stability, can play an effective role in the construction of a modern intelligent transformer substation, and is gradually valued and adopted by enlarged transformer substation construction personnel.

The utility model discloses a ground resistance meter calibrating device, which is disclosed in the publication No. CN215728761U, and relates to a ground resistance detecting device, and the technical problems of high labor intensity and low working efficiency of workers caused by a manual calibrating mode are solved. It comprises a mounting frame and a conveyor belt; the conveyer belt is arranged below the mounting frame, a plurality of positioning seats are arranged on the conveyer belt, a grounding resistance meter is arranged in each positioning seat, an electric push rod is arranged on the mounting frame, a positioning plate is elastically arranged at the piston end of the electric push rod, and a first test head and a second test head are arranged below the positioning plate; one side of the electric push rod is provided with a color code electric eye, and a color code strip is arranged on a conveyor belt between the two positioning seats; the controller is installed to the top of mounting bracket, one side of controller is equipped with standard resistance subassembly. The automatic ground resistance meter calibrating device is reasonable in structure and reliable in testing, can automatically calibrate the ground resistance meter, reduces labor intensity of workers, and improves working efficiency.

In summary, the following technical problems exist in the prior art: when the existing calibrating device is used, the driving mechanism drives the testing head to move so as to check and calibrate the resistance meter, but the testing head does not have an adjusting structure, so that different resistance meters are inconvenient to calibrate, and therefore, the grounding resistance meter calibrating device is provided.

Disclosure of Invention

The utility model aims to provide a calibrating device for a grounding resistance meter, which is used for solving the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a ground resistance meter calibrating device, includes the mounting bracket, the installation shell is installed to one side of mounting bracket, the front end of installation shell is fixed with the fixed block, the lower fixed surface of fixed block is fixed with the drive cylinder, the output of drive cylinder is connected with the regulating part, the inside of regulating part is provided with the gag lever post, the surface of gag lever post is provided with two regulating blocks, two the lower surface of regulating block all is provided with test probe, two limit bolt is all installed to one side of regulating block, two the inner wall of regulating block is provided with the guide block.

Preferably, the driving air cylinder is fixedly connected with the fixed block, and a telescopic structure is formed between the adjusting piece and the driving air cylinder.

Preferably, the mounting case is further provided with:

the calibrator body, it sets up the inside of installation shell, the lower surface symmetry of calibrator body is provided with two connecting blocks, two the below of connecting block all is connected with fixed cardboard.

Preferably, the calibrator body forms the block structure through connecting block and fixed cardboard and between the installation shell, and is fixed connection between installation shell and the mounting bracket.

Preferably, the mounting frame is further provided with:

the limiting groove is formed in the inner wall of the mounting frame, the resistance meter body is arranged in the limiting groove, limiting cylinders are mounted at two ends of the mounting frame, and limiting plates are connected to the output ends of the limiting cylinders.

Preferably, the resistance meter body is movably connected with the limiting groove, the limiting cylinder is connected with the mounting frame through a screw, and a telescopic structure is formed between the limiting plate and the limiting cylinder.

The above description shows that, by the above technical solution of the present application, the technical problem to be solved by the present application can be necessarily solved.

Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:

according to the utility model, the driving air cylinder arranged on the fixed block can drive the adjusting piece to vertically move, so that the detection structure is driven to descend, the detection and calibration of the resistance meter are facilitated, and the use is facilitated; through the gag lever post that sets up in the regulating part, under the cooperation of regulating block, can the horizontal direction remove to adjust the distance between two detection probes, conveniently detect the operation to different resistance meters, and through the spacing bolt that sets up, conveniently fix the regulating block, avoid detecting the condition that the probe took place unexpected removal;

according to the utility model, the calibrator body can be pulled out of the installation shell through the fixed clamping plate arranged in the installation shell under the cooperation of the connecting blocks, so that the calibrator body is convenient to disassemble and maintain, and is convenient for people to use; through the spacing groove that sets up, can carry out spacingly to the resistance meter body, and through the spacing cylinder that sets up, can drive the limiting plate and carry out horizontal migration for two limiting plates are close to each other, carry out the centre gripping to the resistance meter body, avoid taking place the condition of unexpected removal.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of an adjusting member according to the present utility model;

FIG. 3 is a schematic perspective view of an adjusting block according to the present utility model;

fig. 4 is an enlarged partial schematic view of fig. 1 at a in accordance with the present utility model.

In the figure: 1. a mounting frame; 2. a mounting shell; 3. a fixed block; 4. a driving cylinder; 5. an adjusting member; 6. a limit rod; 7. an adjusting block; 8. a detection probe; 9. a limit bolt; 10. a guide block; 11. a calibrator body; 12. a connecting block; 13. a fixed clamping plate; 14. a limit groove; 15. a resistor body; 16. a limit cylinder; 17. and a limiting plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Description of the preferred embodiments

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a ground resistance meter calibrating device, including mounting bracket 1, mounting housing 2 is installed to one side of mounting bracket 1, the front end of mounting housing 2 is fixed with fixed block 3, the lower fixed surface of fixed block 3 has drive cylinder 4, the output of drive cylinder 4 is connected with regulating part 5, the inside of regulating part 5 is provided with gag lever post 6, the surface of gag lever post 6 is provided with two regulating blocks 7, the lower surface of two regulating blocks 7 all is provided with test probe 8, limit bolt 9 is all installed to one side of two regulating blocks 7, the inner wall of two regulating blocks 7 is provided with guide block 10, when the guide block 10 through setting up in the regulating block 7 for during the regulating block 7 motion, can play the effect of direction, facilitate the use.

Example two

The scheme in the first embodiment is further described below in conjunction with a specific working manner, and the details are described below:

as shown in fig. 1, fig. 2 and fig. 3, as a preferred embodiment, based on the above manner, further, the driving cylinder 4 is fixedly connected with the fixed block 3, a telescopic structure is formed between the adjusting member 5 and the driving cylinder 4, the driving cylinder 4 is fixedly connected with the fixed block 3, and a telescopic structure is formed between the adjusting member 5 and the driving cylinder 4, and the driving cylinder 4 arranged on the fixed block 3 can drive the adjusting member 5 to vertically move, so that the detecting structure is driven to descend, thereby facilitating detection and calibration of the resistance meter and convenient use; the detection probes 8 form a sliding structure through the adjusting block 7 and the limiting rod 6 and the adjusting piece 5, penetrate through the inner wall of the adjusting block 7, move in the horizontal direction through the limiting rod 6 arranged in the adjusting piece 5 under the cooperation of the adjusting block 7, so that the distance between the two detection probes 8 is adjusted, detection operations on different resistance meters are convenient, and the adjusting block 7 is conveniently fixed through the limiting bolts 9, and the situation that the detection probes 8 accidentally move is avoided.

As shown in fig. 1, 2 and 4, as a preferred embodiment, based on the above manner, a calibrator body 11 is further provided inside the installation shell 2, two connection blocks 12 are symmetrically provided on the lower surface of the calibrator body 11, fixed clamping plates 13 are connected below the two connection blocks 12, the calibrator body 11 forms a clamping structure with the installation shell 2 through the connection blocks 12 and the fixed clamping plates 13, the installation shell 2 is fixedly connected with the installation frame 1, and the calibrator body 11 can be drawn out of the installation shell 2 through the fixed clamping plates 13 provided in the installation shell 2 under the cooperation of the connection blocks 12, so that the calibrator body 11 is convenient to disassemble and maintain, and is convenient for people to use; the limiting groove 14 is formed in the inner wall of the mounting frame 1, the resistor meter body 15 is arranged in the limiting groove 14, the resistor meter body 15 is movably connected with the limiting groove 14, the limiting air cylinders 16 are arranged at two ends of the mounting frame 1, the limiting air cylinders 16 are connected with the mounting frame 1 through screws, the output ends of the limiting air cylinders 16 are connected with the limiting plates 17, a telescopic structure is formed between the limiting plates 17 and the limiting air cylinders 16, the resistor meter body 15 can be limited through the limiting groove 14, and the limiting plates 17 can be driven to horizontally move through the limiting air cylinders 16, so that the two limiting plates 17 are close to each other, the resistor meter body 15 is clamped, and accidental movement is avoided.

From the above, it can be seen that:

the utility model aims at the technical problems that: when the existing calibration device is used, the test head is driven to move through the driving mechanism to check and calibrate the resistance meter, but the test head does not have an adjusting structure, so that calibration of different resistance meters is inconvenient; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:

before using this ground resistance meter calibrating device, place the proper position with mounting bracket 1 earlier, through the spacing groove 14 that sets up on the mounting bracket 1, the user can place the resistance meter body 15 on the spacing groove 14, through the spacing cylinder 16 that sets up, can drive limiting plate 17 and carry out horizontal movement for limiting plate 17 is close to each other and carries out the centre gripping spacing to the resistance meter body 15, thereby avoids the condition that the resistance meter body 15 takes place the displacement, is provided with calibrator body 11 (model: HN 11C), when the device is used, the actuating cylinder 4 arranged on the fixed block 3 can drive the regulating element 5 to vertically move, the two detection probes 8 move downwards and are in contact with the interface of the resistance meter body 15, the lead wires on the detection probes 8 are connected with the calibrator body 11, thereby checking and calibrating, when the resistance meter body 15 with different models is detected, the limit bolt 9 needs to be manually unscrewed, the front end of the limit bolt 9 is separated from the inner wall of the limit rod 6, the limit bolt 9 contacts the fixed of the regulating block 7, then the limit bolt 9 can be horizontally moved under the cooperation of the limit rod 6, the regulating block 7 can horizontally move, thereby regulating the distance between the two detection probes 8, the use is convenient, the guide block 10 arranged on the inner wall of the regulating block 7 can play a role of guiding, the limit bolt 9 is tightly screwed after the regulation is completed, the front end of the limit bolt 9 is contacted with the inner wall of the limit rod 6, thereby the detection block 8 is prevented from moving, the clamping plate 12 is prevented from being arranged under the condition of being matched with the fixed connecting block 12, can dismantle calibrator body 11, the convenience is to the subsequent maintenance of calibrator body 11 spare.

Through above-mentioned setting, this application must solve above-mentioned technical problem, simultaneously, realizes following technical effect:

according to the utility model, the driving air cylinder 4 arranged on the fixed block 3 can drive the adjusting piece 5 to vertically move, so that the detection structure is driven to descend, the detection and calibration of the resistance meter are facilitated, and the use is facilitated; through the gag lever post 6 that sets up in the regulating part 5, under the cooperation of regulating block 7, can the horizontal direction remove to adjust the distance between two detection probes 8, conveniently detect the operation to different resistance meters, and through the stop bolt 9 that sets up, conveniently fix regulating block 7, avoid detecting probe 8 to take place the condition of unexpected removal;

according to the utility model, the calibrator body 11 can be pulled out of the mounting shell 2 through the fixed clamping plate 13 arranged in the mounting shell 2 under the cooperation of the connecting block 12, so that the calibrator body 11 is convenient to disassemble and maintain, and is convenient for people to use; through the spacing groove 14 that sets up, can carry out spacingly to the resistance meter body 15, and through the spacing cylinder 16 that sets up, can drive limiting plate 17 and carry out horizontal migration for two limiting plates 17 are close to each other, carry out the centre gripping to the resistance meter body 15, avoid taking place the condition of unexpected removal.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A ground resistance meter calibration device, comprising:

mounting bracket (1), install installation shell (2) in one side of mounting bracket (1), the front end of installation shell (2) is fixed with fixed block (3), the lower fixed surface of fixed block (3) is fixed with drive cylinder (4), the output of drive cylinder (4) is connected with regulating part (5), the inside of regulating part (5) is provided with gag lever post (6), the surface of gag lever post (6) is provided with two regulating blocks (7), two the lower surface of regulating block (7) all is provided with test probe (8), two spacing bolt (9) are all installed to one side of regulating block (7), two the inner wall of regulating block (7) is provided with guide block (10).

2. The device for calibrating the grounding resistance meter according to claim 1, wherein the driving cylinder (4) is fixedly connected with the fixed block (3), and a telescopic structure is formed between the adjusting piece (5) and the driving cylinder (4).

3. The device according to claim 1, wherein the detection probe (8) forms a sliding structure between the adjusting block (7) and the limiting rod (6) and the adjusting piece (5), and the limiting bolt (9) penetrates through the inner wall of the adjusting block (7).

4. A ground resistance meter calibration device according to claim 1, characterized in that the mounting case (2) is further provided with:

the calibrator body (11), it sets up the inside of installation shell (2), the lower surface symmetry of calibrator body (11) is provided with two connecting blocks (12), two the below of connecting block (12) all is connected with fixed cardboard (13).

5. The device according to claim 4, wherein the calibrator body (11) is in a clamping structure with the mounting shell (2) through a connecting block (12) and a fixing clamping plate (13), and the mounting shell (2) is fixedly connected with the mounting frame (1).

6. A ground resistance meter calibration device according to claim 1, characterized in that the mounting frame (1) is further provided with:

the limiting groove (14) is formed in the inner wall of the mounting frame (1), the resistance meter body (15) is arranged in the limiting groove (14), limiting cylinders (16) are mounted at two ends of the mounting frame (1), and limiting plates (17) are connected to the output ends of the limiting cylinders (16).

7. The device according to claim 6, wherein the resistor meter body (15) is movably connected with the limit groove (14), the limit cylinder (16) is connected with the mounting frame (1) by a screw, and the limit plate (17) and the limit cylinder (16) form a telescopic structure.