Liquid densimeter calibration device

By automating the addition of solid solutes and designing buffer components, the problems of human error and inconvenience in densitometer calibration devices have been solved, achieving precise density control and stable measurement without the need for manual liquid replacement.

CN223597452UActive Publication Date: 2025-11-25ANKE INTELLIGENT CONTROL TECH (TIANCHANG) CO LTD
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Patent Information

Application Number
CN202423098102.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-25
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing densitometer calibration devices are prone to measurement errors due to human factors during operation, and require manual liquid replacement, which is inconvenient.

Method used

A liquid density meter calibration device was designed. It uses a vertical material lifting assembly consisting of a storage box, motor, transmission components and screw rod, combined with a weighing base, pressure sensor and adjustment mechanism to achieve automatic control of the addition of solid solute, reducing manual operation. Combined with a hydraulic buffer rod and spring buffer assembly, it ensures the stability of the equipment and the accuracy of the readings.

Benefits of technology

It enables precise changes in the density of the test solution without manual liquid replacement, reducing human error and ensuring measurement accuracy and equipment stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a liquid densimeter calibrating device, and particularly relates to the technical field of densimeter calibrating devices, the liquid densimeter calibrating device comprises a main body mechanism, the main body mechanism comprises a first mounting seat, the top of the first mounting seat is fixedly provided with a weighing seat, and the top of the weighing seat is fixedly provided with a calibrating cylinder; an adjusting mechanism is fixedly mounted at the top of the first mounting seat, and a buffer assembly is fixedly mounted at the bottom of the first mounting seat. According to the liquid densimeter calibration device, distilled water in the calibration cylinder is weighed through the weighing seat, and the top structure of the mounting frame is weighed through the pressure sensor, so that the operation of the motor is accurately controlled, and the mass of a solid solute entering the calibration cylinder through the adjusting mechanism is accurately controlled; in conclusion, the device has the advantage that the test solution can be accurately changed without changing the solution, and the solution does not need to be manually replaced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to density meter calibration device technical field, concretely is a liquid density meter calibration device. BACKGROUND

[0002] Density meter calibration device technical field focuses on the design and manufacture of equipment for ensuring the accuracy and reliability of density measuring instruments such as liquid density meters, U-tube vibrating density meters, etc. These devices provide standard substances or simulated environments with known densities, allowing density meters to be accurately calibrated under controlled conditions. The calibration process usually involves comparing the density meter readings with standard values and adjusting the instrument settings or calculating correction factors based on the differences.

[0003] Density meter calibration device is a specially designed equipment to ensure the accuracy and reliability of density meter measurement results. It provides known density standard liquid or solid samples to test and adjust the density meter in a controlled environment. The device is usually equipped with precise temperature control and stable sample containers to eliminate external interference, and is built-in or connected to high-precision reference standards, allowing users to easily compare and correct density meter readings.

[0004] The existing density meter calibration usually replaces different density liquids in the container to calibrate the density meter, which meets the use requirements to a certain extent. However, in actual use, it is found that manual handling of multiple steps (such as liquid addition, liquid discharge, cleaning, etc.) may lead to improper or incomplete operation due to human factors, thereby introducing additional measurement errors. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a liquid density meter calibration device to solve the problems raised in the background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a liquid density meter calibration device, including main body mechanism, the main body mechanism includes first mounting seat, the top of first mounting seat is fixedly installed with weighing seat, the top of weighing seat is fixedly installed with calibration cylinder, the top of first mounting seat is fixedly installed with adjusting mechanism, the bottom of first mounting seat is fixedly installed with buffer assembly, one side of calibration cylinder is fixedly connected with inlet pipe, adjusting mechanism includes second mounting seat, second mounting seat is fixedly installed at the top of first mounting seat, the top of second mounting seat is fixedly installed with pressure sensor, the top of pressure sensor is fixedly installed with mounting bracket, the top of mounting bracket is fixedly installed with storage box, the bottom of storage box is fixedly connected with inlet hopper, the bottom of storage box is fixedly installed with motor, the bottom of motor output shaft is fixedly connected with transmission assembly through coupling, the top of inlet hopper is fixedly installed with mounting cylinder, one side of mounting cylinder is fixedly connected with discharge pipe, the inside rotation of mounting cylinder is installed with spiral rod, the output shaft of motor is fixedly connected at the bottom of spiral rod through transmission assembly, spiral rod is rotationally installed in the inside of inlet hopper, discharge pipe is movably installed at the top of inlet pipe.

[0007] Preferably, the top of the weighing seat is rotatably installed with a stirring paddle.

[0008] Preferably, the top of the weighing seat is fixedly installed with a temperature sensor, and the top of the weighing seat is fixedly installed with a temperature control assembly.

[0009] Preferably, one side of the calibration cylinder is provided with an observation window.

[0010] Preferably, the buffer assembly includes a mounting plate, a hydraulic buffer rod is fixedly installed at the bottom of the mounting plate, a support plate is fixedly installed at the bottom of the hydraulic buffer rod, mounting columns are fixedly installed at the bottom of the mounting plate and the support plate, and a plurality of springs are movably installed between the mounting plate and the support plate through the mounting columns.

[0011] Preferably, a telescopic sleeve is installed on the outer wall of the hydraulic buffer rod output shaft.

[0012] Preferably, a rubber pad is fixedly installed at the bottom of the support plate.

[0013] Compared with the prior art, the liquid density meter calibration device has the advantages that:

[0014] 1. The utility model discloses a vertical material lifting assembly is formed by the feed hopper, motor, transmission assembly, installation cylinder, spiral rod, discharge pipe for adding the inside solid solute of storage box to the inside of calibration cylinder through the feed pipe, and the inside distilled water of calibration cylinder is weighed through the weighing seat, and the top structure of mounting frame is weighed through the pressure sensor, and then the operation of motor is accurately controlled, and the mass of solid solute that enters the inside of calibration cylinder is accurately controlled through the adjusting mechanism, and then the purpose that the calibration liquid density is changed through the way of adding solid solute to the inside of distilled water is achieved, and the equipment has the advantages of accurately changing the test solution without changing liquid and manually replacing solution.

[0015] 2. The vibration between mounting plate and support plate is buffered through the cooperation between the hydraulic buffer rod and a plurality of springs, and then the stable operation of the equipment on the top of mounting plate is ensured, and the accuracy of pressure sensor and weighing seat reading is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic drawing of the utility model;

[0017] Figure 2 It is the structure schematic drawing of the adjusting mechanism of the utility model;

[0018] Figure 3 It is the structure schematic drawing of the main body mechanism of the utility model;

[0019] Figure 4 It is the structure schematic drawing of the buffer assembly of the utility model.

[0020] In the drawing: 1, main body mechanism; 101, first mounting seat; 102, weighing seat; 103, stirring paddle; 104, temperature sensor; 105, temperature control assembly; 2, calibration cylinder; 3, adjusting mechanism; 301, second mounting seat; 302, pressure sensor; 303, mounting frame; 304, storage box; 305, feed hopper; 306, motor; 307, transmission assembly; 308, installation cylinder; 309, spiral rod; 310, discharge pipe; 4, buffer assembly; 401, mounting plate; 402, hydraulic buffer rod; 403, support plate; 404, mounting column; 405, spring; 406, rubber pad; 407, telescopic sleeve; 5, feed pipe; 6, observation window. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figures 1-3 The present application provides a technical solution: a liquid density meter calibration device, comprising a main body mechanism 1, the main body mechanism 1 comprises a first mounting seat 101, the top of the first mounting seat 101 is fixedly installed with a weighing seat 102, the top of the weighing seat 102 is fixedly installed with a calibration cylinder 2, the top of the first mounting seat 101 is fixedly installed with an adjusting mechanism 3, the bottom of the first mounting seat 101 is fixedly installed with a buffer assembly 4, one side of the calibration cylinder 2 is fixedly connected with a feeding pipe 5, the adjusting mechanism 3 comprises a second mounting seat 301, the second mounting seat 301 is fixedly installed on the top of the first mounting seat 101, the top of the second mounting seat 301 is fixedly installed with a pressure sensor 302, the top of the pressure sensor 302 is fixedly installed with a mounting rack 303, the top of the mounting rack 303 is fixedly installed with a storage box 304, the bottom of the storage box 304 is fixedly connected with a feeding hopper 305, the bottom of the storage box 304 is fixedly installed with a motor 306, the bottom of the output shaft of the motor 306 is fixedly connected with a transmission assembly 307 through a shaft coupling, the top of the feeding hopper 305 is fixedly installed with a mounting cylinder 308, one side of the mounting cylinder 308 is fixedly connected with a discharging pipe 310, a helical rod 309 is rotatably installed in the mounting cylinder 308, the output shaft of the motor 306 is fixedly connected at the bottom of the helical rod 309 through the transmission assembly 307, the helical rod 309 is rotatably installed in the feeding hopper 305, and the discharging pipe 310 is movably installed on the top of the feeding pipe 5.

[0023] The top of the weighing seat 102 is rotatably installed with a stirring paddle 103, and the solution is stirred through the stirring paddle 103.

[0024] The top of the weighing seat 102 is fixedly installed with a temperature sensor 104, and the top of the weighing seat 102 is fixedly installed with a temperature control assembly 105, so that the influence of water level on the density of the solution is reduced through the cooperation between the temperature sensor 104 and the temperature control assembly 105.

[0025] One side of the calibration cylinder 2 is provided with an observation window 6, and the installation of the liquid density meter is observed by the user through the observation window 6.

[0026] The embodiment is specific: the storage box 304 stores solid solutes such as salt, sugar, etc., distilled water is stored through the calibration cylinder 2, a vertical material lifting assembly composed of the feeding hopper 305, the motor 306, the transmission assembly 307, the mounting cylinder 308, the spiral rod 309, and the discharge pipe 310 is used to add the solid solutes in the storage box 304 into the inside of the calibration cylinder 2 through the feeding pipe 5, the distilled water in the calibration cylinder 2 is weighed through the weighing seat 102, the top structure of the mounting frame 303 is weighed through the pressure sensor 302, and then the operation of the motor 306 is accurately controlled, the mass of the solid solutes entering the inside of the calibration cylinder 2 through the adjusting mechanism 3 is accurately controlled, and then the purpose of changing the density of the calibration liquid by adding the solid solutes into the distilled water is achieved. The device has the advantages of accurately changing the test solution without replacing the solution and manually replacing the solution.

[0027] Please refer to Figures 1-4 The utility model provides a technical scheme: a liquid density meter calibration device, buffer assembly 4 includes mounting plate 401, the bottom fixed mounting of mounting plate 401 has hydraulic buffer rod 402, the bottom fixed mounting of hydraulic buffer rod 402 has support plate 403, the bottom of mounting plate 401 and the bottom of support plate 403 all fixed mounting has installation column 404, and the movable mounting of mounting plate 401 and support plate 403 between through installation column 404 has a plurality of springs 405;

[0028] The outer wall of the output shaft of the hydraulic buffer rod 402 is sleeved with the telescopic sleeve 407, which protects the hydraulic buffer rod 402 and improves the durability of the hydraulic buffer rod 402.

[0029] The bottom of the support plate 403 is fixedly installed with the rubber pad 406, which increases the friction between the buffer assembly 4 and the ground and further improves the stability of the whole device.

[0030] The cooperation between the hydraulic buffer rod 402 and the springs 405 buffers the vibration between the mounting plate 401 and the support plate 403, thereby ensuring the smooth operation of the device on the top of the mounting plate 401 and the accuracy of the readings of the pressure sensor 302 and the weighing seat 102.

[0031] Working principle: when using the liquid density meter calibration device, solid solutes such as salt, sugar, etc. are stored in the storage box 304, distilled water is stored in the calibration cylinder 2, the vertical material lifting assembly composed of the feeding hopper 305, the motor 306, the transmission assembly 307, the mounting cylinder 308, the spiral rod 309 and the discharge pipe 310 is used to add the solid solutes in the storage box 304 into the inside of the calibration cylinder 2 through the feeding pipe 5, the distilled water in the calibration cylinder 2 is weighed by the weighing seat 102, the top structure of the mounting frame 303 is weighed by the pressure sensor 302, and then the operation of the motor 306 is accurately controlled, the mass of the solid solutes entering the inside of the calibration cylinder 2 through the adjusting mechanism 3 is accurately controlled, and then the purpose of changing the density of the calibration liquid by adding the solid solutes into the distilled water is achieved. The device has the advantages of accurately changing the test solution without changing the liquid and manually replacing the solution.

[0032] The solution is stirred by the stirring paddle 103, the water temperature of the solution is controlled by the cooperation between the temperature sensor 104 and the temperature control assembly 105 to reduce the influence of the water level on the density of the solution, and the installation of the liquid density meter is observed through the observation window 6.

[0033] The vibration between the mounting plate 401 and the supporting plate 403 is buffered by the cooperation between the hydraulic buffer rod 402 and the springs 405, so as to ensure the smooth operation of the device on the top of the mounting plate 401 and the accuracy of the readings of the pressure sensor 302 and the weighing seat 102.

[0034] The durability of the hydraulic buffer rod 402 is improved by the telescopic sleeve 407, and the friction between the buffer assembly 4 and the ground is increased by the rubber pad 406, so as to further improve the stability of the whole device.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A liquid density meter calibration device, comprising a main body (1), the main body (1) comprising a first mounting base (101), a weighing base (102) fixedly mounted on the top of the first mounting base (101), a calibration cylinder (2) fixedly mounted on the top of the weighing base (102), an adjusting mechanism (3) fixedly mounted on the top of the first mounting base (101), a buffer assembly (4) fixedly mounted on the bottom of the first mounting base (101), and an inlet pipe (5) fixedly connected to one side of the calibration cylinder (2), characterized in that: The adjusting mechanism (3) comprises a second mounting seat (301), the top of the second mounting seat (301) is fixedly installed on the top of the first mounting seat (101), the top of the second mounting seat (301) is fixedly installed with a pressure sensor (302), the top of the pressure sensor (302) is fixedly installed with a mounting bracket (303), the top of the mounting bracket (303) is fixedly installed with a storage box (304), the bottom of the storage box (304) is fixedly connected with a feeding hopper (305), the bottom of the storage box (304) is fixedly installed with a motor (306), the bottom of the output shaft of the motor (306) is fixedly connected with a transmission assembly (307) through a shaft coupling, the top of the feeding hopper (305) is fixedly installed with a mounting cylinder (308), one side of the mounting cylinder (308) is fixedly connected with a discharging pipe (310), the mounting cylinder (308) is rotatably installed with a spiral rod (309), the output shaft of the motor (306) is fixedly connected at the bottom of the spiral rod (309) through the transmission assembly (307), the spiral rod (309) is rotatably installed in the feeding hopper (305), and the discharging pipe (310) is movably installed on the top of the feeding pipe (5).

2. A liquid densimeter calibration device according to claim 1, wherein, The top of the weighing seat (102) is rotatably installed with a stirring paddle (103).

3. A liquid densimeter calibration device according to claim 1, wherein, The top of the weighing seat (102) is fixedly installed with a temperature sensor (104), and the top of the weighing seat (102) is fixedly installed with a temperature control assembly (105).

4. A liquid densimeter calibration device according to claim 1, wherein, The calibration cylinder (2) is provided with an observation window (6) on one side.

5. A liquid densimeter calibration device according to claim 1, wherein, The buffer assembly (4) comprises a mounting plate (401), the bottom of the mounting plate (401) is fixedly installed with a hydraulic buffer rod (402), the bottom of the hydraulic buffer rod (402) is fixedly installed with a supporting plate (403), the bottom of the mounting plate (401) and the bottom of the supporting plate (403) are both fixedly installed with a mounting column (404), and a plurality of springs (405) are movably installed between the mounting plate (401) and the supporting plate (403) through the mounting column (404).

6. A liquid densimeter calibration device according to claim 5, wherein, The outer wall of the output shaft of the hydraulic buffer rod (402) is sleeved with an elastic sleeve (407).

7. A liquid densimeter calibration device according to claim 5, wherein, The bottom of the supporting plate (403) is fixedly installed with a rubber pad (406).