CN221037593U

CN221037593U - Liquid level meter calibrating device

Info

Publication number: CN221037593U
Application number: CN202322506807.XU
Authority: CN
Inventors: 刘丹东; 潘波; 刘亚; 肖豪
Original assignee: Xinjiang Zhongce Testing Co ltd
Current assignee: Xinjiang Zhongce Testing Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-05-28
Anticipated expiration: 2033-09-14

Abstract

The utility model relates to the technical field of verification or correction of instrument equipment for measuring capacity, flow and liquid level or measuring by means of volume, and discloses a liquid level meter calibrating device which comprises a supporting plate, wherein the lower side of the supporting plate is fixedly connected with supporting legs, the upper side of the supporting plate is fixedly connected with a fixed block, a first sliding groove is formed in the upper side of the fixed block, a lifting block is slidingly connected to the inside of the first sliding groove, second sliding grooves are formed in the front wall and the rear wall of the first sliding groove, limiting blocks are fixedly connected to the front side and the rear side of the lifting block, the limiting blocks are slidingly connected to the inside of the second sliding groove, and a lifting mechanism is arranged in the fixed block.

Description

Liquid level meter calibrating device

Technical Field

The utility model relates to the technical field of verification or correction of instrument equipment for measuring capacity, flow, liquid level or metering by means of volume, in particular to a liquid level meter calibrating device.

Background

The liquid medium in the container is called a liquid level, the liquid level meter is a material level meter, the liquid level meter is of a tuning fork vibration type, a magnetic levitation type, a pressure type, an ultrasonic wave type, a sonar wave type, a magnetic turning plate type, a radar type and the like, the liquid level meter is a meter used for indicating and controlling the liquid level in an industrial process measurement and control system, and the liquid level meter is widely applied to the fields of petrochemical industry, industrial process control, medical pharmacy, food processing and the like by virtue of measurement of specific measurement parameters.

The ultrasonic liquid level meter calculates the distance from the sensor to the surface of the measured liquid by utilizing the time difference between ultrasonic wave emission and ultrasonic wave reception according to the reflection principle. Because the non-contact measurement is adopted, the measured medium is almost unlimited, the installation and maintenance are convenient, the ultrasonic liquid level application is wide, the ultrasonic liquid level meter can be calibrated only by fixing the measured ultrasonic liquid level meter on a sample supporting plate during the use, but the size and the height of a container are obviously different because the types of the measured containers are different, the situation that the container cannot be placed on the supporting plate for measurement can occur when the container is too high, and if the measurement is needed, the larger ultrasonic liquid level meter needs to be replaced, so that the cost is increased.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the liquid level meter calibrating device which has the function of automatically adjusting the height of the ultrasonic liquid level meter according to the needs of measuring staff, so that the measuring calibration can be carried out when a measuring container is higher, the detectable height of the ultrasonic liquid level meter is increased, the ultrasonic liquid level meter which is larger is not required to be replaced, and the cost for measuring the liquid level is reduced.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a liquid level meter calibrating device, includes the backup pad, the downside fixedly connected with supporting leg of backup pad, the upside fixedly connected with fixed block of backup pad, the upside of fixed block has seted up first sliding tray, the inside sliding connection of first sliding tray has the lifter;

The front wall and the rear wall of the first sliding groove are respectively provided with a second sliding groove, the front side and the rear side of the lifting block are respectively fixedly connected with a limiting block, and the limiting blocks are in sliding connection with the inside of the second sliding groove;

The front side of the lifting block is provided with a lifting groove, the inside of the lifting groove is connected with a lifting surface in a sliding manner, and the lower side of the lifting surface is fixedly connected with an ultrasonic detector;

wherein, the fixed block is internally provided with a lifting mechanism.

Preferably, the lifting mechanism comprises a connecting groove, and the connecting groove is formed on the right wall of the first sliding groove;

The front side of the fixed block is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a first transmission shaft.

Preferably, the rear end of the first transmission shaft penetrates into the fixing block in a rotating way, and the rear end of the first transmission shaft penetrates into the connecting groove in a rotating way;

the rear end of the first transmission shaft is rotatably connected to the rear wall of the connecting groove.

Preferably, a gear is fixedly sleeved on the outer surface of a part of the first transmission shaft positioned in the connecting groove, and the left side part of the outer surface of the gear extends out of the left side of the connecting groove;

wherein, the right side of elevating block is provided with the flank of tooth.

Preferably, the gear is meshed with the right side of the lifting block;

wherein, the upside fixedly connected with second motor of elevating block, the output fixedly connected with second transmission shaft of second motor, the lower extreme of second transmission shaft rotates the inside of penetrating into the lift groove.

Preferably, the lower end of the second transmission shaft is fixedly connected with a threaded rod, and the lower end thread of the threaded rod penetrates through the lower side of the lifting surface;

wherein, the lower extreme of threaded rod rotates to be connected on the diapire of lift groove.

(III) beneficial effects

Compared with the prior art, the utility model provides a liquid level meter calibrating device, which has the following beneficial effects:

(1) This level gauge calibrating device, come the reciprocates of control elevating surface through starting elevating system, afterwards put the container that will detect in the upside of backup pad, the downside of ultrasonic detector carries out liquid level detection calibration, when the container that needs to detect is too high can't put in the downside of ultrasonic detector, move through elevating system control elevating block, wait to stop elevating system after moving to suitable position, afterwards put the container in the downside of ultrasonic detector and carry out liquid level detection and the mode of calibration, can be according to the automatic function of adjusting the height of ultrasonic liquid level gauge of measuring personnel's needs, still can measure the calibration when measuring the container is higher, need not change more large-scale ultrasonic liquid level gauge, the height that ultrasonic liquid level gauge can detect has been increased, the cost of measuring the liquid level has been reduced.

(2) This liquid level meter calibrating device, through at the time of at first adjusting ultrasonic detector's height, start the second motor, the output of second motor begins to rotate, drive the second transmission shaft and rotate, the second transmission shaft drives the threaded rod and rotates, the threaded rod drives threaded connection's elevating surface and begins to reciprocate, the elevating surface drives ultrasonic detector and reciprocates, still can not put down the measuring container after the elevating surface moves to the top of lift groove, start first motor, first motor begins the transmission power from the output, drive first transmission shaft and rotate, first transmission shaft drives the gear and rotates, the gear drives the elevating block that the meshing is connected and begins to reciprocate, the elevating block drives the mode that the elevating surface upwards moved, can make elevating surface and ultrasonic detector rise, still can not satisfy the measuring container's height time, can carry out the secondary through first motor and rise, further improvement ultrasonic detector's rise height.

Drawings

FIG. 1 is a schematic diagram of a calibrating device for a liquid level meter according to the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional connecting structure of a fixing block according to the present utility model;

Fig. 3 is a schematic diagram of a connection structure of the lifting block according to the present utility model.

In the figure: 1. a support plate; 11. support legs; 2. a fixed block; 21. a first sliding groove; 22. a second sliding groove; 23. a connecting groove; 3. a first motor; 31. a first drive shaft; 32. a gear; 4. a lifting block; 41. a lifting groove; 42. a limiting block; 5. a second motor; 51. a second drive shaft; 52. a threaded rod; 6. lifting surfaces; 61. an ultrasonic detector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a new technical solution: the utility model provides a level gauge calibrating device, including backup pad 1, backup pad 1's downside fixedly connected with supporting leg 11, backup pad 1's upside fixedly connected with fixed block 2, first sliding tray 21 has been seted up to fixed block 2's upside, first sliding tray 21's inside sliding connection has lifter 4, second sliding tray 22 has all been seted up on first sliding tray 21's front wall and the back wall, lifter 4's front side and the equal fixedly connected with stopper 42 of rear side, stopper 42 sliding connection is in second sliding tray 22's inside, lifter 41 has been seted up to lifter 4's front side, lifter 41's inside sliding connection has lifter face 6, lifter 6's downside fixedly connected with ultrasonic detector 61, be provided with elevating system in the fixed block 2, height adjustment through elevating system control lifter 4 and lifter face 6, when beginning the work, first start elevating system and control lifter 6's reciprocate, afterwards put the container that will detect on backup pad 1's upside, ultrasonic detector 61's downside, detect the calibration, container that needs to detect is higher than the higher side at the detector 61, can's the ultrasonic detector 61 can's the ultrasonic detector, can not be carried out the level gauge height adjustment to the level gauge through the height adjustment, can be carried out by the ultrasonic detector 61, can's height measurement meter can still be carried out the level gauge, the cost is reduced after the level gauge is adjusted to the level gauge, can's height measurement is measured according to the height measurement.

The lifting mechanism comprises a connecting groove 23, the connecting groove 23 is arranged on the right wall of the first sliding groove 21, the front side of the fixed block 2 is fixedly connected with a first motor 3, the output end of the first motor 3 is fixedly connected with a first transmission shaft 31, the rear end of the first transmission shaft 31 rotationally penetrates into the fixed block 2, the rear end of the first transmission shaft 31 rotationally penetrates into the connecting groove 23, the rear end of the first transmission shaft 31 rotationally connects onto the rear wall of the connecting groove 23, the outer surface of a part of the first transmission shaft 31 positioned in the connecting groove 23 is fixedly sleeved with a gear 32, the left side part of the outer surface of the gear 32 extends out of the left side of the connecting groove 23, the right side of the lifting block 4 is provided with a tooth surface, the gear 32 is meshed and connected with the right side of the lifting block 4, the upper side of the lifting block 4 is fixedly connected with a second motor 5, the output end of the second motor 5 is fixedly connected with a second transmission shaft 51, the lower end of the second transmission shaft 51 rotates to penetrate into the lifting groove 41, the lower end of the second transmission shaft 51 is fixedly connected with a threaded rod 52, the lower end thread of the threaded rod 52 penetrates through the lower side of the lifting surface 6, the lower end of the threaded rod 52 is rotationally connected to the bottom wall of the lifting groove 41, the first motor 3 and the second motor 5 are motors with self-locking devices, the transmission shaft cannot rotate after the motors are closed, when the operation starts, the second motor 5 is started when the height of the ultrasonic detector 61 is firstly adjusted, the output end of the second motor 5 starts to rotate to drive the second transmission shaft 51 to rotate, the second transmission shaft 51 drives the threaded rod 52 to rotate, the threaded rod 52 drives the threaded lifting surface 6 to start to move upwards, the lifting surface 6 drives the ultrasonic detector 61 to move upwards, and when a measured container can not be put down after the lifting surface 6 moves to the top of the lifting groove 41, starting the first motor 3, the first motor 3 starts to transmit power from the output end, drives the first transmission shaft 31 to rotate, and the first transmission shaft 31 drives the gear 32 to rotate, and the gear 32 drives the lifting block 4 in meshed connection to start to move upwards, and the lifting block 4 drives the lifting surface 6 to move upwards, so that the lifting surface 6 and the ultrasonic detector 61 can be lifted, and when the height of a measuring container is still not met, the lifting height of the ultrasonic detector 61 can be further improved by carrying out secondary lifting through the first motor 3.

Working principle: when the ultrasonic detector 61 starts to work, firstly, the lifting mechanism is started to control the lifting surface 6 to move up and down, then a container to be detected is placed on the upper side of the supporting plate 1, the lower side of the ultrasonic detector 61 is subjected to liquid level detection calibration, when the container to be detected is too high to be placed on the lower side of the ultrasonic detector 61, the lifting mechanism is used to control the lifting block 4 to move, the lifting mechanism is stopped after the container is moved to a proper position, and then the container is placed on the lower side of the ultrasonic detector 61 to carry out liquid level detection and calibration.

When the ultrasonic detector 61 is started to work, when the height of the ultrasonic detector 61 is adjusted first, the second motor 5 is started, the output end of the second motor 5 starts to rotate to drive the second transmission shaft 51 to rotate, the second transmission shaft 51 drives the threaded rod 52 to rotate, the threaded rod 52 drives the lifting surface 6 in threaded connection to start to move upwards, the lifting surface 6 drives the ultrasonic detector 61 to move upwards, when a measured container can not be put down after the lifting surface 6 moves to the top of the lifting groove 41, the first motor 3 is started, the first motor 3 starts to transmit power from the output end to drive the first transmission shaft 31 to rotate, the first transmission shaft 31 drives the gear 32 to rotate, the gear 32 drives the lifting block 4 in meshed connection to start to move upwards, and the lifting block 4 drives the lifting surface 6 to move upwards.

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 gauge calibration device comprising a support plate (1), characterized in that: the lower side of the supporting plate (1) is fixedly connected with supporting legs (11), the upper side of the supporting plate (1) is fixedly connected with a fixed block (2), a first sliding groove (21) is formed in the upper side of the fixed block (2), and a lifting block (4) is connected in the first sliding groove (21) in a sliding mode;

The front wall and the rear wall of the first sliding groove (21) are respectively provided with a second sliding groove (22), the front side and the rear side of the lifting block (4) are respectively fixedly connected with a limiting block (42), and the limiting blocks (42) are slidably connected in the second sliding grooves (22);

wherein, the front side of the lifting block (4) is provided with a lifting groove (41), the inside of the lifting groove (41) is connected with a lifting surface (6) in a sliding way, and the lower side of the lifting surface (6) is fixedly connected with an ultrasonic detector (61);

wherein, the fixed block (2) is internally provided with a lifting mechanism.

2. A level gauge calibration apparatus according to claim 1, wherein: the lifting mechanism comprises a connecting groove (23), and the connecting groove (23) is formed in the right wall of the first sliding groove (21);

The front side of the fixed block (2) is fixedly connected with a first motor (3), and the output end of the first motor (3) is fixedly connected with a first transmission shaft (31).

3. A level gauge calibration apparatus according to claim 2, wherein: the rear end of the first transmission shaft (31) penetrates into the fixed block (2) in a rotating way, and the rear end of the first transmission shaft (31) penetrates into the connecting groove (23) in a rotating way;

wherein the rear end of the first transmission shaft (31) is rotatably connected to the rear wall of the connecting groove (23).

4. A level gauge calibration apparatus according to claim 2, wherein: the outer surface of a part of the first transmission shaft (31) positioned in the connecting groove (23) is fixedly sleeved with a gear (32), and the left part of the outer surface of the gear (32) extends out of the left side of the connecting groove (23);

The right side of the lifting block (4) is provided with a tooth surface.

5. A level gauge calibration apparatus according to claim 4, wherein: the gear (32) is connected with the right side of the lifting block (4) in a meshed manner;

The upper side of the lifting block (4) is fixedly connected with a second motor (5), the output end of the second motor (5) is fixedly connected with a second transmission shaft (51), and the lower end of the second transmission shaft (51) penetrates into the lifting groove (41) in a rotating mode.

6. A level gauge calibration apparatus according to claim 5, wherein: the lower end of the second transmission shaft (51) is fixedly connected with a threaded rod (52), and the lower end thread of the threaded rod (52) penetrates through the lower side of the lifting surface (6);

Wherein the lower end of the threaded rod (52) is rotatably connected to the bottom wall of the lifting groove (41).