A liquid level gauge calibration platform
By designing a height adjustment component for the liquid level gauge calibration stage and a piston to adjust the liquid level, the problems of limited applicability and slow adjustment speed of existing devices are solved, achieving flexible and efficient liquid level gauge calibration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGYI TECH (SHANDONG) CO LTD
- Filing Date
- 2025-09-16
- Publication Date
- 2026-06-30
AI Technical Summary
Existing liquid level gauge calibration devices have a limited range of applications, low calibration flexibility, and slow liquid level adjustment speed, which affects calibration efficiency.
A liquid level gauge calibration stage was designed, which includes a height adjustment component, a lead screw, and a drive motor. It can be used to calibrate different liquid level gauges. The liquid level can be adjusted by a piston and a guide rod to improve the adjustment speed.
It enables flexible calibration of different level gauges, improving the calibration range and efficiency.
Smart Images

Figure CN224435537U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of liquid level gauge technology, specifically a liquid level gauge calibration platform. Background Technology
[0002] A liquid level gauge calibration stand is a specialized device used to calibrate, debug, and verify the accuracy of liquid level measuring instruments. It calibrates the instrument's measured values by simulating different liquid level heights, ensuring the reliability of liquid level monitoring data.
[0003] Chinese patent discloses a liquid level sensor calibration device (authorization announcement number CN222049225U). This patented technology can calibrate liquid level sensors using a dial indicator, and its structure is simple and calibration is convenient. However, the aforementioned liquid level sensor calibration device is only applicable to the calibration of a single type of liquid level gauge, with a small calibration range, which is not conducive to the flexibility of use. Furthermore, the liquid level adjustment is achieved through a pipe-based drainage and water inlet method, resulting in a low adjustment speed and hindering the calibration efficiency of the liquid level gauge. Therefore, those skilled in the art have provided a liquid level gauge calibration platform to solve the problems mentioned in the background art. Utility Model Content
[0004] The purpose of this invention is to provide a liquid level gauge calibration stage to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A level gauge calibration platform includes a first water storage component, a second water storage component, and a support frame. The second water storage component is located at the lower end of one side of the first water storage component, and the support frame is located below the second water storage component. A level gauge mounting component is installed inside the first water storage component. The level gauge mounting component includes a fixing component, a third mounting plate is provided on one side of the fixing component, a lead screw is provided on the lower side of the third mounting plate, a first guide rod is provided on the lower side of the third mounting plate near the lead screw, and a height adjustment mechanism is provided on the outer side of the lead screw. The first water storage component includes a first water storage tank, with a first liquid guide port at the lower end of one side of the first water storage tank and a scale window at the front of the first water storage tank. The second water storage component includes a second water storage tank, with a second liquid guide port at the upper end of one side of the second water storage tank. A piston is installed inside the second water storage tank, with a first adjusting screw at the lower side of the piston and a second guide rod at the lower outer end of the piston.
[0007] As a further embodiment of this utility model: the height adjustment component includes a slider, a first mounting plate is provided on one side of the slider, a second mounting plate is provided on one side of the first mounting plate, a second adjusting screw is provided inside the second mounting plate, a third guide rod is provided inside the second mounting plate near the second adjusting screw, a clamping plate is provided at one end of the second adjusting screw, the fixing component includes a bracket, a third adjusting screw is provided on one side of the bracket, a clamping plate is provided at one end of the third adjusting screw inside the bracket, and a fourth guide rod is provided at both ends of one side of the clamping plate.
[0008] As a further embodiment of this utility model: the positions of the first liquid guide port and the second liquid guide port correspond to each other, and the lower end of the first liquid storage tank is connected to the upper end of the second liquid storage tank through the first liquid guide port and the second liquid guide port.
[0009] As a further embodiment of this utility model: the upper end of the first adjusting screw rotates to the lower position of the piston, the lower end of the first adjusting screw rotates to the lower position of the second water storage tank, the upper end of the second guide rod is fixed to the lower position of the piston, the lower end of the second guide rod slides to the lower position of the second water storage tank, and the piston slides inside the second water storage tank through the first adjusting screw and the second guide rod.
[0010] As a further embodiment of this utility model: the fixing component is fixed at the upper end of the first water storage tank, the lead screw rotates at the lower side of the third mounting plate via a transmission motor, the lead screw rotates at one end of the height adjustment component, and the lower end of the first guide rod slides at one end of the height adjustment component.
[0011] As a further embodiment of this utility model: the lead screw rotates to the inner position of the slider, the slider slides to the outer position of the first guide rod, the outer end of the second adjusting screw rotates to the inner position of the second mounting plate, the inner end of the second adjusting screw rotates to the outer position of the clamping plate, the outer end of the third guide rod slides to the inner position of the second mounting plate, the inner end of the third guide rod is fixed to the outer position of the clamping plate, and the clamping plate slides to the inner position of the second mounting plate through the second adjusting screw and the third guide rod.
[0012] As a further embodiment of this utility model: one end of the third adjusting screw rotates to one end of the card holder, the other end of the third adjusting screw rotates to the outer side of the card plate, one end of the fourth guide rod slides to one end of the card holder, the other end of the fourth guide rod is fixed to the outer side of the card plate, the card holder is located at the upper end of the first water storage tank, and the card holder is fixed to the upper end of the first water storage tank by the card plate.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. The present invention provides a liquid level gauge calibration platform for installing liquid level gauges by means of a height adjustment component. The height of the height adjustment component is adjusted by means of a lead screw and a first guide rod, which enables calibration operations for both submersible and non-submersible liquid level gauges. The liquid level gauge calibration platform is applicable to the calibration operations of different liquid level gauges, improves the calibration range, and enhances the flexibility of use.
[0015] 2. The level is adjusted by sliding the piston inside the second water storage tank to push in and pull out the water inside the first water storage tank, which improves the level adjustment speed and is beneficial to the calibration efficiency of the level gauge. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of a liquid level gauge calibration platform;
[0017] Figure 2 A schematic diagram of the structure of a liquid level gauge mounting component in a liquid level gauge calibration platform;
[0018] Figure 3 A schematic diagram of the structure of the first water storage component in a liquid level gauge calibration platform;
[0019] Figure 4 A schematic diagram of the structure of the second water storage component in a liquid level gauge calibration platform;
[0020] Figure 5 A schematic diagram of the height adjustment component in a liquid level gauge calibration platform;
[0021] Figure 6 This is a schematic diagram of the structure of a fixed component in a liquid level gauge calibration platform.
[0022] In the diagram: 1. First water storage component; 2. Second water storage component; 3. Support frame; 4. Level gauge mounting component; 5. Fixing component; 6. Third mounting plate; 7. Lead screw; 8. First guide rod; 9. Height adjustment component; 10. Drive motor; 11. First water storage tank; 12. First liquid outlet; 13. Scale window; 14. Second water storage tank; 15. Second liquid outlet; 16. Piston; 17. First adjusting screw; 18. Second guide rod; 19. Slider; 20. First mounting plate; 21. Second mounting plate; 22. Second adjusting screw; 23. Clamping plate; 24. Third guide rod; 25. Clip; 26. Third adjusting screw; 27. Clamping plate; 28. Fourth guide rod. Detailed Implementation
[0023] Please see Figures 1-6In this embodiment of the present invention, a level gauge calibration platform includes a first water storage component 1, a second water storage component 2, and a support frame 3. The second water storage component 2 is located at the lower end of one side of the first water storage component 1, and the support frame 3 is located at the lower side of the second water storage component 2. A level gauge mounting component 4 is installed inside the first water storage component 1. The level gauge mounting component 4 includes a fixing component 5. A third mounting plate 6 is provided on one side of the fixing component 5. A lead screw 7 is provided on the lower side of the third mounting plate 6. A first guide rod 8 is provided on the lower side of the third mounting plate 6 near the lead screw 7. A height adjustment component 9 is provided on the outer side of the lead screw 7. A drive motor 10 is installed on the upper side of the third mounting plate 6 corresponding to the position of the lead screw 7. A water storage component 1 includes a first water storage tank 11, with a first liquid guide port 12 at the lower end of one side of the first water storage tank 11 and a scale window 13 on the front side of the first water storage tank 11. A second water storage component 2 includes a second water storage tank 14, with a second liquid guide port 15 at the upper end of one side of the second water storage tank 14. A piston 16 is installed inside the second water storage tank 14, with a first adjusting screw 17 at the lower side of the piston 16 and a second guide rod 18 at the lower outer end of the piston 16. The positions of the first liquid guide port 12 and the second liquid guide port 15 correspond to each other. The lower end of the first water storage tank 11 is connected to the upper end of the second water storage tank 14 through the first liquid guide port 12 and the second liquid guide port 15. The upper end of the first adjusting screw 17 rotates to the lower position of the piston 16, and the lower end of the first adjusting screw 17 rotates to the lower position of the second water storage tank 14. The upper end of the second guide rod 18 is fixed to the lower position of the piston 16, and the lower end of the second guide rod 18 slides to the lower position of the second water storage tank 14. The piston 16 slides inside the second water storage tank 14 via the first adjusting screw 17 and the second guide rod 18. The fixing member 5 is fixed to the upper position of the first water storage tank 11. The lead screw 7 rotates to the lower position of the third mounting plate 6 via the drive motor 10. The lead screw 7 rotates to one end of the height adjusting member 9, and the lower end of the first guide rod 8 slides to one end of the height adjusting member 9. First, select either an immersion-type or non-immersion-type level gauge according to the type of level gauge being calibrated. Then, begin use. Secure the fixing component 5 to the upper end of the first water storage tank 11, completing the installation of the level gauge mounting component 4. Add water into the first water storage tank 11. The water inside the first water storage tank 11 enters the second water storage tank 14 through the first liquid guide port 12 and the second liquid guide port 15. Depending on the required water level, the lower end of the first adjusting screw 17 rotates on the lower side of the second water storage tank 14, and the upper end of the first adjusting screw 17 rotates on the lower side of the piston 16. The lower end of the second guide rod 18 slides on the lower side of the second water storage tank 14, adjusting the position of the piston 16 inside the second water storage tank 14.Piston 16 draws water from the second water storage tank 14 into the first water storage tank 11 through the second liquid inlet 15 and the first liquid inlet 12. The liquid level is observed through the scale window 13. During calibration of the submersible level gauge, a standard submersible level gauge is installed inside the height adjustment component 9, and the submersible level gauge to be calibrated is also installed inside the height adjustment component 9. The drive motor 10 rotates, causing the lead screw 7 to rotate inside the height adjustment component 9. The height adjustment component 9 slides outside the first guide rod 8, thus submerging the height adjustment component 9 into the first water storage tank 11. The standard submersible level gauge and the submersible level gauge to be calibrated on the height adjustment component 9 are used to detect the liquid level. The detection data are compared to complete the calibration of the submersible level gauge. When calibrating the non-submersible level gauge, the standard non-submersible level gauge and the non-submersible level gauge to be calibrated are installed inside the height adjustment component 9. The standard non-submersible level gauge and the non-submersible level gauge to be calibrated on the height adjustment component 9 are used to detect the liquid level. The detection data are compared to complete the calibration of the non-submersible level gauge. The water level inside the first water storage tank 11 is adjusted again to improve the diversity of the liquid level gauge comparison data.
[0024] exist Figure 2 , 5In section 6: The height adjustment component 9 includes a slider 19, a first mounting plate 20 is provided on one side of the slider 19, a second mounting plate 21 is provided on one side of the first mounting plate 20, a second adjusting screw 22 is provided inside the second mounting plate 21, a third guide rod 24 is provided inside the second mounting plate 21 near the position of the second adjusting screw 22, and a clamping plate 23 is provided at one end of the second adjusting screw 22. The fixing component 5 includes a bracket 25, a third adjusting screw 26 is provided on one side of the bracket 25, a clamping plate 27 is provided at one end of the third adjusting screw 26 located inside the bracket 25, and a fourth guide rod 28 is provided at both ends of one side of the clamping plate 27. The screw 7 rotates to a position inside the slider 19, and the slider 19 slides on the first guide rod 8. At the outer position, the outer end of the second adjusting screw 22 rotates to the inner position of the second mounting plate 21, and the inner end of the second adjusting screw 22 rotates to the outer position of the clamping plate 23. The outer end of the third guide rod 24 slides to the inner position of the second mounting plate 21, and the inner end of the third guide rod 24 is fixed to the outer position of the clamping plate 23. The clamping plate 23 slides to the inner position of the second mounting plate 21 via the second adjusting screw 22 and the third guide rod 24. One end of the third adjusting screw 26 rotates to one end of the clamping bracket 25, and the other end of the third adjusting screw 26 rotates to the outer position of the clamping plate 27. One end of the fourth guide rod 28 slides to one end of the clamping bracket 25, and the other end of the fourth guide rod 28 is fixed to the outer position of the clamping plate 27. The bracket 25 is located at the upper end of the first water storage tank 11. The bracket 25 is fixed to the upper end of the first water storage tank 11 by the bracket plate 27. The bracket 25 is locked to the upper end of the first water storage tank 11. The outer end of the third adjusting screw 26 rotates at one end of the bracket 25, and the outer end of the fourth guide rod 28 slides at one end of the bracket 25. The bracket plate 27 presses against the outside of the first water storage tank 11, fixing the bracket 25 to the upper end of the first water storage tank 11, thus completing the installation of the level gauge mounting component 4. When calibrating the submersible level gauge, the standard submersible level gauge is placed inside the clamping plate 23. The outer end of the second adjusting screw 22 rotates inside the second mounting plate 21, and the outer end of the third guide rod 24 slides inside the second mounting plate 21. The clamping plate 23 presses against the outside of the standard submersible level gauge, and the submersible level gauge to be calibrated is placed inside the clamping plate 23. The outer end of the second adjusting screw 22 rotates inside the second mounting plate 21, and the outer end of the third guide rod 24 slides inside the second mounting plate 21. The clamping plate 23 presses against the outside of the submersible level gauge to be calibrated, completing the installation. The drive motor 10 runs, driving the lead screw 7 to rotate. The lead screw 7 rotates inside the slider 19, and the slider 19 slides outside the first guide rod 8. The height adjusting component 9 is inserted into the first water storage tank 11. The standard submersible level gauge and the submersible level gauge to be calibrated on the height adjusting component 9 are used to detect the liquid level. The detection data are compared to complete the calibration of the submersible level gauge. When calibrating the non-submersible level gauge,Place the standard non-submersible level gauge inside the clamping plate 23. The outer end of the second adjusting screw 22 rotates inside the second mounting plate 21, and the outer end of the third guide rod 24 slides inside the second mounting plate 21. The clamping plate 23 presses against the outer side of the standard non-submersible level gauge. Place the non-submersible level gauge to be calibrated inside the clamping plate 23. The outer end of the second adjusting screw 22 rotates inside the second mounting plate 21, and the outer end of the third guide rod 24 slides inside the second mounting plate 21. The clamping plate 23 presses against the outer side of the non-submersible level gauge to be calibrated, completing the installation. The standard non-submersible level gauge and the non-submersible level gauge to be calibrated on the height adjusting component 9 are then used to detect the liquid level. The detection data are compared to complete the calibration of the non-submersible level gauge.
[0025] The working principle of this utility model is as follows: First, select either an immersion level gauge or a non-immersion level gauge according to the type of level gauge being calibrated. Then, begin use. The clamp 25 is clamped onto the upper end of the first water storage tank 11. The outer end of the third adjusting screw 26 rotates at one end of the clamp 25, and the outer end of the fourth guide rod 28 slides at one end of the clamp 25. The clamp plate 27 presses against the outside of the first water storage tank 11, fixing the clamp 25 to the upper end of the first water storage tank 11, thus completing the installation of the level gauge mounting component 4. Water is added into the interior of the first water storage tank 11. The water inside the first water storage tank 11 enters the interior of the second water storage tank 14 through the first liquid guide port 12 and the second liquid guide port 15. According to the required water level height, the first adjusting screw 26 rotates at one end of the clamp 25. The lower end of the first adjusting screw 17 rotates on the lower side of the second water storage tank 14, the upper end of the first adjusting screw 17 rotates on the lower side of the piston 16, and the lower end of the second guide rod 18 slides on the lower side of the second water storage tank 14. The position of the piston 16 inside the second water storage tank 14 is adjusted. The piston 16 guides the water inside the second water storage tank 14 into the interior of the first water storage tank 11 through the second liquid guide port 15 and the first liquid guide port 12. The liquid level is observed according to the scale window 13. When calibrating the submersible level gauge, the standard submersible level gauge is placed inside the clamping plate 23. The outer end of the second adjusting screw 22 rotates inside the second mounting plate 21, and the outer end of the third guide rod 24 slides inside the second mounting plate 21. The clamping plate 23 presses against the standard submersible level gauge. On the outside of the submersible level gauge, place the submersible level gauge to be calibrated on the inside of the clamping plate 23. The outer end of the second adjusting screw 22 rotates inside the second mounting plate 21, and the outer end of the third guide rod 24 slides inside the second mounting plate 21. The clamping plate 23 presses against the outside of the submersible level gauge to be calibrated, completing the installation. The drive motor 10 runs, driving the lead screw 7 to rotate. The lead screw 7 rotates inside the slider 19, and the slider 19 slides outside the first guide rod 8. Insert the height adjusting component 9 into the first water storage tank 11. The standard submersible level gauge and the submersible level gauge to be calibrated on the height adjusting component 9 are used to detect the liquid level. The detection data are compared to complete the calibration of the submersible level gauge. When calibrating the non-submersible level gauge, the standard non-submersible level gauge is inserted into the non-submersible level gauge. The level gauge is placed inside the clamping plate 23. The outer end of the second adjusting screw 22 rotates inside the second mounting plate 21, and the outer end of the third guide rod 24 slides inside the second mounting plate 21. The clamping plate 23 presses against the outer side of the standard non-submersible level gauge. The non-submersible level gauge to be calibrated is then placed inside the clamping plate 23. The outer end of the second adjusting screw 22 rotates inside the second mounting plate 21, and the outer end of the third guide rod 24 slides inside the second mounting plate 21. The clamping plate 23 presses against the outer side of the non-submersible level gauge to be calibrated, completing the installation. The standard non-submersible level gauge and the non-submersible level gauge to be calibrated on the height adjusting component 9 are used to detect the liquid level. The detection data are compared to complete the calibration of the non-submersible level gauge. The water level inside the first water storage tank 11 is then adjusted again.Increase the diversity of comparative data from level gauges.
[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A liquid level gauge calibration platform, comprising a first water liquid storage member (1), a second water liquid storage member (2) and a support frame (3), the second water liquid storage member (2) is located at the lower end of the side of the first water liquid storage member (1), and the support frame (3) is located at the lower side of the second water liquid storage member (2), characterized in that, The first water storage component (1) is internally equipped with a level gauge mounting component (4). The level gauge mounting component (4) includes a fixing component (5). A third mounting plate (6) is provided on one side of the fixing component (5). A lead screw (7) is provided on the lower side of the third mounting plate (6). A first guide rod (8) is provided on the lower side of the third mounting plate (6) near the lead screw (7). A height adjustment component (9) is provided on the outer side of the lead screw (7). A drive motor (10) is installed on the upper side of the third mounting plate (6) corresponding to the position of the lead screw (7). The first water storage component (1) includes a first water... The first liquid storage tank (11) has a first liquid guide port (12) at the lower end of one side, and a scale window (13) is provided on the front side of the first liquid storage tank (11). The second liquid storage component (2) includes a second liquid storage tank (14), and a second liquid guide port (15) is provided at the upper end of one side of the second liquid storage tank (14). A piston (16) is provided inside the second liquid storage tank (14), and a first adjusting screw (17) is provided on the lower side of the piston (16). A second guide rod (18) is provided at the lower outer end of the piston (16).
2. A liquid level gauge calibration rig according to claim 1, wherein, The height adjustment component (9) includes a slider (19), a first mounting plate (20) is provided on one side of the slider (19), a second mounting plate (21) is provided on one side of the first mounting plate (20), a second adjusting screw (22) is provided inside the second mounting plate (21), a third guide rod (24) is provided inside the second mounting plate (21) near the position of the second adjusting screw (22), a clamping plate (23) is provided at one end of the second adjusting screw (22), the fixing component (5) includes a bracket (25), a third adjusting screw (26) is provided on one side of the bracket (25), a clamping plate (27) is provided at one end of the third adjusting screw (26) located inside the bracket (25), and a fourth guide rod (28) is provided at both ends of one side of the clamping plate (27).
3. A liquid level gauge calibration rig according to claim 1, wherein, The first liquid inlet (12) and the second liquid inlet (15) are positioned corresponding to each other. The lower end of the first liquid storage tank (11) is connected to the upper end of the second liquid storage tank (14) through the first liquid inlet (12) and the second liquid inlet (15).
4. The liquid level gauge calibration stand of claim 1, wherein The upper end of the first adjusting screw (17) rotates to the lower position of the piston (16), the lower end of the first adjusting screw (17) rotates to the lower position of the second water storage tank (14), the upper end of the second guide rod (18) is fixed to the lower position of the piston (16), and the lower end of the second guide rod (18) slides to the lower position of the second water storage tank (14). The piston (16) slides inside the second water storage tank (14) through the first adjusting screw (17) and the second guide rod (18).
5. A liquid level gauge calibration rig according to claim 1, wherein, The fixing component (5) is fixed at the upper end of the first water storage tank (11). The lead screw (7) is rotated at the lower side of the third mounting plate (6) by the transmission motor (10). The lead screw (7) is rotated at one end of the height adjustment component (9). The lower end of the first guide rod (8) slides at one end of the height adjustment component (9).
6. A liquid level gauge calibration rig according to claim 2, wherein, The lead screw (7) rotates to the inner position of the slider (19), the slider (19) slides to the outer position of the first guide rod (8), the outer end of the second adjusting screw (22) rotates to the inner position of the second mounting plate (21), the inner end of the second adjusting screw (22) rotates to the outer position of the clamping plate (23), the outer end of the third guide rod (24) slides to the inner position of the second mounting plate (21), the inner end of the third guide rod (24) is fixed to the outer position of the clamping plate (23), and the clamping plate (23) slides to the inner position of the second mounting plate (21) through the second adjusting screw (22) and the third guide rod (24).
7. A liquid level gauge calibration rig according to claim 2, wherein, One end of the third adjusting screw (26) rotates to one end of the bracket (25), and the other end of the third adjusting screw (26) rotates to the outer side of the plate (27). One end of the fourth guide rod (28) slides to one end of the bracket (25), and the other end of the fourth guide rod (28) is fixed to the outer side of the plate (27). The bracket (25) is located at the upper end of the first water storage tank (11), and the bracket (25) is fixed to the upper end of the first water storage tank (11) by the plate (27).