Vibration sensor calibration device

Abstract

The utility model discloses a vibration sensor calibration device, which belongs to the technical field of vibration sensor calibration devices, and comprises a box body, a fixing frame fixedly connected to the inner wall of the box body, a driving motor fixedly connected to the inner wall of the fixing frame, a first driving bevel gear fixedly connected to the output end of the driving motor, a driving rotating rod, a first driving bevel gear and a second driving bevel gear, the driving rotating rod is rotationally connected to the inner wall of the fixing frame, the outer wall of the driving rotating rod is fixedly connected with a first driven bevel gear, the outer wall of the first driven bevel gear is meshed with the outer wall of the first driving bevel gear, and the driven rotating rod is rotationally connected to the inner wall of the fixing frame; according to the utility model, the vibration sensors are installed through the storage cabins which are respectively and independently arranged, vibration simulation is independently provided through collision between the collision blocks and the collision rollers, and the storage cabins do not interfere with each other, so that errors generated by calibration data of each vibration sensor are avoided; the problem that in the prior art, vibration sensors are uniformly placed on the same vibration platform, and errors are easily generated on calibration data of the vibration sensors is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration sensor calibration devices, in particular to a vibration sensor calibration device. Background Art

[0002] A vibration sensor is a device used to measure the vibration or shock of an object. It converts vibration signals into electrical signals so that changes in vibration can be recorded, analyzed or monitored. This type of device is commonly used in many fields such as engineering, mechanical engineering, construction engineering and earthquake monitoring. Vibration sensors need to be calibrated in different application scenarios to ensure that they can accurately measure and record vibration data. The calibration process usually includes calibrating parameters such as sensor sensitivity, frequency response and calibration curves to obtain accurate measurement results within a specific frequency range.

[0003] After searching, the Chinese patent authorization number CN220525121U discloses a vibration sensor calibration device, including a storage bin and a clamping plate, a movable groove is provided at the bottom of the inner surface of the storage bin, a bidirectional screw is arranged below the movable groove, and the bidirectional screw is rotatably connected to the lower inner wall of the storage bin through a bearing, and a movable block is threadedly connected to the surface of the two ends of the bidirectional screw, and a limit guide rod is fixedly installed above the surface of the movable block, and the limit guide rod is arranged inside the movable groove. A vibration sensor calibration device in the above patent has the following shortcomings: 1. The device cannot replace the triangular plate that generates vibration due to collision as needed, so as to perform different vibration ripple calibration to adapt to vibration sensors used in different occasions, which has limitations; 2. The device is uniformly placed on a vibration platform for vibration calibration, and its position is different, so the vibration frequency and vibration ripple generated will be different, and the calibration will produce certain errors, affecting the calibration data. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that it is inconvenient to replace the triangular plate that generates vibration in order to calibrate vibration sensors used in different occasions with different vibration ripples and that placing them uniformly on the same vibration platform easily leads to errors in the calibration data of the vibration sensors, and to propose a vibration sensor calibration device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A vibration sensor calibration device comprises a box, wherein the inner wall of the box is fixedly connected to a fixing frame, the inner wall of the fixing frame is fixedly connected to a driving motor, and the output end of the driving motor is fixedly connected to a first driving bevel gear, and further comprises:

[0007] A driving rotating rod is rotatably connected to the inner wall of the fixing frame, the outer wall of the driving rotating rod is fixedly connected to the first driven bevel gear, and the outer wall of the first driven bevel gear is meshed and connected with the outer wall of the first driving bevel gear;

[0008] A driven rotating rod is rotatably connected to the inner wall of the fixed frame, and the outer wall of the driven rotating rod is fixedly connected to a symmetrically distributed second driven bevel gear;

[0009] A detachable and replaceable test component, the detachable and replaceable test component comprises a mounting seat fixedly connected to the outer wall of the driven rotating rod, and the mounting seat is symmetrically arranged with two groups, the inner wall of the mounting seat is provided with symmetrically distributed slide grooves, the inner wall of the slide groove is slidably connected with a slider, the end of the slider away from the slide groove is fixedly connected with a mounting rod, the outer wall of the mounting rod is fixedly connected with a hexagonal limit block, and the hexagonal limit block is located on the inner wall of the mounting seat, the outer wall of the mounting rod is fixedly connected with a uniformly distributed triangular plate, and the inner wall of the triangular plate is rotatably connected with a uniformly distributed impact roller;

[0010] A separate test assembly is provided on the top wall of the box;

[0011] The limiting component is arranged on the outer wall of the mounting seat, and the limiting component cooperates with the detachable and replaceable testing component.

[0012] As a preferred technical solution of the present application, the separate test component includes a vibration spring fixedly connected to the top wall of the box, and the vibration spring is symmetrically distributed, the top wall of the vibration spring is fixedly connected to a storage bin, the outer wall of the storage bin is fixedly connected to a collision block, and the outer wall of the collision block is against the outer wall of the impact roller.

[0013] As a preferred technical solution of the present application, the limiting assembly includes a spiral pattern arranged on the outer wall of the mounting seat, the spiral pattern is threadedly connected with a rotating sleeve, the inner wall of the rotating sleeve is provided with symmetrically distributed guide grooves, the inner wall of the guide groove is slidably connected with an extrusion block, and the outer wall of the extrusion block is abutted against the outer wall of the slider, the outer wall of the extrusion block is fixedly connected with a strong spring, the end of the strong spring away from the extrusion block is fixedly connected with a fixed block, and the fixed block is fixedly connected to the rotating sleeve.

[0014] As a preferred technical solution of the present application, the inner wall of the rotating sleeve is provided with symmetrically distributed empty grooves, and the empty grooves are slidably connected to the slider.

[0015] As a preferred technical solution of the present application, the outer wall of the box body is rotatably connected to a symmetrically distributed door panel, and the outer wall of the door panel is fixedly connected to a handle.

[0016] As a preferred technical solution of the present application, the outer wall of the driving rotating rod is fixedly connected with a symmetrically distributed second driving bevel gear, and the outer wall of the second driving bevel gear is meshed and connected with the outer wall of the second driven bevel gear.

[0017] Compared with the prior art, the utility model provides a vibration sensor calibration device, which has the following beneficial effects:

[0018] 1. The vibration sensor calibration device realizes the disassembly of different objects generating vibration ripples on the mounting rod by sliding the provided slider into the slide groove, and realizes the limit of the slider by threaded cooperation of the rotating sleeve and the spiral pattern, and the slider is squeezed and limited by the extrusion block in cooperation with the strong spring, and the rotation is limited by the hexagonal limit block to prevent loosening, so as to firmly connect and fix the mounting rod, and the disassembly and installation are simple and convenient, so as to facilitate the replacement of objects generating different vibration ripples and the calibration of vibration sensors used in different occasions, and solves the problem in the prior art that it is inconvenient to replace the triangular plate generating vibration to calibrate vibration sensors used in different occasions with different vibration ripples;

[0019] 2. The vibration sensor calibration device installs the vibration sensor by separately setting up a storage bin, and provides vibration simulation separately through the collision between the collision block and the impact roller. The storage bins do not interfere with each other, thereby avoiding errors in the calibration data of each vibration sensor, and solving the problem in the prior art that the vibration sensor calibration data is easily caused by placing them uniformly on the same vibration platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;

[0022] Figure 3 It is a schematic diagram of the structure of the fixing frame part of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the mounting rod part of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the mounting seat of the utility model;

[0025] Figure 6 It is a schematic diagram of the structure of the rotating sleeve part of the utility model.

[0026] In the figure:

[0027] 1. Box body; 2. Door panel; 3. Handle; 4. Vibration spring; 5. Storage compartment; 6. Fixed frame; 7. Triangle plate; 8. Impact roller; 9. Driving motor; 10. First driving bevel gear; 11. First driven bevel gear; 12. Driving rotating rod; 13. Second driving bevel gear; 14. Second driven bevel gear; 15. Driven rotating rod; 16. Mounting seat; 17. Mounting rod; 18. Sliding block; 19. Hexagonal limit block; 20. Slide groove; 21. Spiral pattern; 22. Rotating sleeve; 23. Guide groove; 24. Fixed block; 25. Strong spring; 26. Extrusion block; 27. Empty groove; 28. Impact block. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0029] Example:

[0030] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 A vibration sensor calibration device includes a box body 1, a fixing frame 6 is fixedly connected to the inner wall of the box body 1, a driving motor 9 is fixedly connected to the inner wall of the fixing frame 6, and a first driving bevel gear 10 is fixedly connected to the output end of the driving motor 9. The first driving bevel gear 10 is driven to rotate by rotating the output end of the driving motor 9, and also includes:

[0031] The driving rotating rod 12 is rotatably connected to the inner wall of the fixing frame 6, and the outer wall of the driving rotating rod 12 is fixedly connected to the first driven bevel gear 11, and the outer wall of the first driven bevel gear 11 is meshed and connected with the outer wall of the first driving bevel gear 10, and the driving rotating rod 12 is rotated by the meshing between the first driven bevel gear 11 and the first driving bevel gear 10;

[0032] A driven rotating rod 15 is rotatably connected to the inner wall of the fixed frame 6, and a symmetrically distributed second driven bevel gear 14 is fixedly connected to the outer wall of the driven rotating rod 15;

[0033] The detachable and replaceable test assembly includes a mounting seat 16 fixedly connected to the outer wall of the driven rotating rod 15, and the mounting seat 16 is symmetrically arranged in two groups, the inner wall of the mounting seat 16 is provided with a symmetrically distributed slide groove 20, the inner wall of the slide groove 20 is slidably connected with a slider 18, and the end of the slider 18 away from the slide groove 20 is fixedly connected to the mounting rod 17, and the outer wall of the mounting rod 17 is fixedly connected with a hexagonal limit block 19, and the hexagonal limit block 19 is located on the inner wall of the mounting seat 16, and the outer wall of the mounting rod 17 is fixedly connected with a distribution The uniform triangle plate 7, the inner wall of the triangle plate 7 is rotatably connected with the uniformly distributed impact roller 8, the driven rotating rod 15 rotates, thereby driving the mounting seat 16 on the driven rotating rod 15 to rotate, and driving the mounting rod 17 installed on the mounting seat 16 to rotate, and the mounting rod 17 is rotated by the hexagonal limit block 19 during the rotation of the mounting rod 17 to prevent the rotation from being loose, further driving the triangle plate 7 to rotate and impacting the impact block 28 in turn through the impact roller 8 on the triangle plate 7, so that the storage bin 5 vibrates;

[0034] A separate test component is arranged on the top wall of the box 1;

[0035] The limiting assembly is arranged on the outer wall of the mounting seat 16, and the limiting assembly cooperates with the detachable and replaceable test assembly.

[0036] Reference Figure 1 and Figure 2 The separate test component includes a vibration spring 4 fixedly connected to the top wall of the box body 1, and the vibration spring 4 is symmetrically distributed. The top wall of the vibration spring 4 is fixedly connected to a storage bin 5, and the outer wall of the storage bin 5 is fixedly connected to a collision block 28, and the outer wall of the collision block 28 is against the outer wall of the impact roller 8. A clamping limit assembly (not shown in the figure) is arranged in the storage bin 5 for fixing the vibration sensor.

[0037] Reference Figure 5 and Figure 6 The limit assembly includes a spiral pattern 21 arranged on the outer wall of the mounting seat 16, the spiral pattern 21 is threadedly connected with a rotating sleeve 22, and the inner wall of the rotating sleeve 22 is provided with a symmetrically distributed guide groove 23, and the inner wall of the guide groove 23 is slidably connected with an extrusion block 26, and the outer wall of the extrusion block 26 is against the outer wall of the slider 18, and the outer wall of the extrusion block 26 is fixedly connected with a strong spring 25, and the end of the strong spring 25 away from the extrusion block 26 is fixedly connected with a fixed block 24, and the fixed block 24 is fixedly connected to the rotating sleeve 22. The rotating sleeve 22 is held and rotated, and the rotating sleeve 22 is threadedly engaged with the spiral pattern 21 and moved. At this time, the fixed block 24 rotates with the rotating sleeve 22, and the strong spring 25 releases the elastic energy storage and pushes the extrusion block 26 to slide in the guide groove 23 until the empty groove 27 is aligned with the slide groove 20. The slider 18 loses the extrusion force of the extrusion block 26. At this time, the mounting rod 17 can be removed by toggling the mounting rod 17 through the slider 18 to slide in the slide groove 20 and the items that need to simulate vibration can be installed.

[0038] Reference Figure 6 The inner wall of the rotating sleeve 22 is provided with symmetrically distributed empty grooves 27, and the empty grooves 27 are slidably connected to the slider 18. The empty grooves 27 are convenient for installing and removing the slider 18. When the empty grooves 27 are misaligned with the slide groove 20, the slider 18 is limited by the rotating sleeve 22.

[0039] Reference Figure 1 The outer wall of the box body 1 is rotatably connected to a symmetrically distributed door panel 2, and the outer wall of the door panel 2 is fixedly connected to a handle 3. The door panel 2 is rotated by pulling the handle 3, so that the triangular plate 7 is convenient to disassemble and replace.

[0040] Reference Figure 3 The outer wall of the driving rotating rod 12 is fixedly connected with a symmetrically distributed second driving bevel gear 13, and the outer wall of the second driving bevel gear 13 is meshed with the outer wall of the second driven bevel gear 14. The second driving bevel gear 13 follows the driving rotating rod 12 to rotate, and then meshes and transmits the second driven bevel gear 14 to rotate, thereby driving the driven rotating rod 15 to rotate, which is convenient for rotating simulated vibration.

[0041] Specifically, when the vibration sensor calibration device is working / in use: first, the vibration sensor to be calibrated is placed in the storage bin 5 and fixed by an internal limit clamping structure (not shown in the figure), and then the drive motor 9 is started, and the first drive bevel gear 10 is driven to rotate by the output end of the drive motor 9, and then the meshing transmission drives the first driven bevel gear 11 to rotate, thereby driving the drive rotating rod 12 and the second drive bevel gears 13 at both ends of the drive rotating rod 12 to rotate, thereby meshing the transmission and rotating the second driven bevel gear 14, thereby synchronously driving the driven rotating rod 15 to rotate, thereby driving the mounting seat 16 on the driven rotating rod 15 to rotate, and driving the mounting rod 17 installed on the mounting seat 16 to rotate, and the mounting rod 17 rotates through six The corner limit block 19 is rotationally limited to prevent loosening during rotation, further driving the triangular plate 7 to rotate and impacting the impact block 28 in turn through the impact roller 8 on the triangular plate 7, so that the storage bin 5 vibrates. If the vibrating triangular plate 7 is to be replaced to simulate other vibration ripples, the rotating sleeve 22 can be held for rotation, and the rotating sleeve 22 is threadedly engaged with the spiral pattern 21 and moved. At this time, the fixed block 24 rotates with the rotating sleeve 22, and the strong spring 25 releases the elastic energy and pushes the extrusion block 26 to slide in the guide groove 23 until the empty groove 27 is aligned with the slide groove 20, and the slider 18 loses the extrusion force of the extrusion block 26. At this time, the mounting rod 17 can be moved to slide the slider 18 in the slide groove 20 to remove the mounting rod 17 and install the items that need to simulate vibration.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vibration sensor calibration device, comprising a housing (1), characterized in that: The inner wall of the box body (1) is fixedly connected to a fixing frame (6), the inner wall of the fixing frame (6) is fixedly connected to a driving motor (9), and the output end of the driving motor (9) is fixedly connected to a first driving bevel gear (10), and further comprises: A driving rotating rod (12) is rotatably connected to the inner wall of the fixing frame (6); the outer wall of the driving rotating rod (12) is fixedly connected to a first driven bevel gear (11); and the outer wall of the first driven bevel gear (11) is meshedly connected to the outer wall of the first driving bevel gear (10); A driven rotating rod (15) is rotatably connected to the inner wall of the fixed frame (6), and the outer wall of the driven rotating rod (15) is fixedly connected to a symmetrically distributed second driven bevel gear (14); A detachable and replaceable test component, the detachable and replaceable test component comprises a mounting seat (16) fixedly connected to the outer wall of a driven rotating rod (15), and the mounting seat (16) is symmetrically arranged in two groups, the inner wall of the mounting seat (16) is provided with symmetrically distributed sliding grooves (20), the inner wall of the sliding groove (20) is slidably connected with a slider (18), the end of the slider (18) away from the sliding groove (20) is fixedly connected with a mounting rod (17), the outer wall of the mounting rod (17) is fixedly connected with a hexagonal limit block (19), and the hexagonal limit block (19) is located on the inner wall of the mounting seat (16), the outer wall of the mounting rod (17) is fixedly connected with evenly distributed triangular plates (7), and the inner wall of the triangular plates (7) is rotatably connected with evenly distributed impact rollers (8); A separate test assembly is arranged on the top wall of the box (1); The limiting component is arranged on the outer wall of the mounting seat (16), and the limiting component cooperates with the detachable and replaceable test component.

2. A vibration sensor calibration device according to claim 1, characterized in that: The separate test assembly comprises a vibration spring (4) fixedly connected to the top wall of the box (1), and the vibration spring (4) is symmetrically distributed, the top wall of the vibration spring (4) is fixedly connected to a storage bin (5), the outer wall of the storage bin (5) is fixedly connected to a collision block (28), and the outer wall of the collision block (28) abuts against the outer wall of the impact roller (8).

3. A vibration sensor calibration device according to claim 1, characterized in that: The limiting assembly comprises a spiral pattern (21) arranged on the outer wall of the mounting seat (16), the spiral pattern (21) is threadedly connected to a rotating sleeve (22), the inner wall of the rotating sleeve (22) is provided with symmetrically distributed guide grooves (23), the inner wall of the guide groove (23) is slidably connected to an extrusion block (26), and the outer wall of the extrusion block (26) abuts against the outer wall of the slider (18), the outer wall of the extrusion block (26) is fixedly connected to a strong spring (25), the end of the strong spring (25) away from the extrusion block (26) is fixedly connected to a fixed block (24), and the fixed block (24) is fixedly connected to the rotating sleeve (22).

4. A vibration sensor calibration device according to claim 3, characterized in that: The inner wall of the rotating sleeve (22) is provided with symmetrically distributed hollow grooves (27), and the hollow grooves (27) are slidably connected to the slider (18).

5. A vibration sensor calibration device according to claim 1, characterized in that: The outer wall of the box body (1) is rotatably connected to symmetrically distributed door panels (2), and the outer wall of the door panel (2) is fixedly connected to a handle (3).

6. A vibration sensor calibration device according to claim 1, characterized in that: The outer wall of the driving rotating rod (12) is fixedly connected with a symmetrically distributed second driving bevel gear (13), and the outer wall of the second driving bevel gear (13) is meshingly connected with the outer wall of the second driven bevel gear (14).

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