CN220525077U - Calibrating device of float flowmeter - Google Patents

Abstract

The utility model discloses a calibrating device of a float flowmeter, which comprises a float flowmeter main body, wherein an access port is arranged at the lower position of the inner side of the float flowmeter main body, a flow pipeline is arranged at the lower position of the float flowmeter main body through the access port, a regulating valve for controlling the flow is arranged at the right end position of the flow pipeline, a bolt column is fixed at the lower end position of a rotating shaft, meanwhile, the bolt column is sleeved at the inner side position of a bottom base, a fixed frame is adjusted to a proper height through the bolt column by rotating the rotating shaft, a rubber frame is moved along a threaded rod, the rubber frame is attached to the outer wall position of the flow pipeline, and finally the rubber frame is locked through a locking nut, so that the position of the rubber frame is not changed.

Description

Calibrating device of float flowmeter

Technical Field

The utility model belongs to the technical field of calibrating devices of float flowmeters, and particularly relates to a calibrating device of a float flowmeter.

Background

The calibrating device of the float flowmeter is a device for calibrating the float flowmeter, the float flowmeter is a commonly used flow measuring instrument, mainly used for measuring the flow of liquid or gas in a pipeline, it utilizes the buoyancy of the float in the fluid to measure the flow, it is a simple, practical, economical flow measuring instrument, the advantage of the float flowmeter is simple in construction, easy to use, the low price, can be suitable for the measurement of most fluids, but its measurement accuracy is influenced by factors such as the density, viscosity, temperature, pressure of the fluid, need to calibrate and regulate to the flow measurement requirement of the high accuracy.

In use of the calibration device of the float flowmeter, when the fluid flow rate is too high, the impact force of the fluid will exert a large pressure on the flow conduit, thereby causing vibration and sloshing of the conduit. Such vibration and sloshing may affect the measurement stability of the float flowmeter, causing errors in the measurement results.

Disclosure of Invention

The utility model aims to provide a calibrating device of a float flowmeter, which aims to solve the problem that when the calibrating device of the float flowmeter is used, when the flow rate of fluid is too high, the impact force of the fluid can exert larger pressure on a flowing pipeline, so that the pipeline vibrates and shakes. Such vibration and sloshing may affect the measurement stability of the float flowmeter, causing a problem of error in the measurement result.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a calibrating device of float flowmeter, includes the float flowmeter main part, is located the inboard lower position department of float flowmeter main part and is provided with the access port, the float flowmeter main part is installed the circulation pipeline through the access port in below position department, the governing valve that is used for controlling flow size is installed to circulation pipeline right-hand member position department, standard flowmeter is installed to the right-hand member position department of governing valve, standard flowmeter's lower extreme position department is provided with the fluid inlet port, fluid inlet port's front end position department is connected with the pipeline, pipeline is fixed with the baffle in being located inner wall position department, the inboard position department of baffle is the angle fixed with the filter screen, standard flowmeter's front end position department is connected with the pipeline, circulation pipeline's outer wall position department is provided with the rubber frame, the oral position department of rubber frame is insertedly connected with the threaded rod, the rubber frame is connected with the threaded rod through lock nut, the outside position department of threaded rod is provided with fixed frame, fixed frame's lower extreme position department has cup jointed the axis of rotation, the lower extreme position department of axis is fixed with the stud, simultaneously the inboard stud of base connects the position department at the bottom.

Preferably, the rotation shaft can control the bolt column to move at the inner position of the bottom base when rotating.

Preferably, the rotation of the rotating shaft can change the height of the fixed frame, and the height of the fixed frame is adjusted so that the rubber frame is attached to the outer wall of the flow pipeline.

Preferably, the rubber frame moves along the outer wall position of the threaded rod, and the rubber frame is attached to the outer wall of the flowing pipeline to stop moving.

Preferably, the rubber frame is locked by locking nuts at two side positions when moving to the designated position.

Preferably, the fluid inlet is connected to a fluid conduit, and the standard flow meter accurately measures the fluid value inside the fluid inlet.

Preferably, the float flowmeter body is mounted at the left and right end positions of the standard flowmeter, and the regulating valve can control the flow direction of fluid to the size of the float flowmeter body.

Preferably, the float flowmeter body is connected to the flow conduit via an access port, and the fluid value measured by the float flowmeter body is compared to a standard flowmeter value.

Compared with the prior art, the utility model provides a calibrating device of a float flowmeter, which has the following beneficial effects:

the rotation axis of rotation makes fixed frame adjust suitable height through the bolt post, removes the rubber frame along the threaded rod for the laminating of rubber frame is in the outer wall position department of runner pipeline, is locking through lock nut at last, makes rubber frame position can not appear changing, through this kind of mode, and the rubber frame can be firmly fixed on the runner pipeline, has reduced the rocking and the vibration that runner pipeline produced, has improved measuring accuracy and stability.

The device is provided with two pipelines, can measure two float flowmeters simultaneously, can improve the efficiency and the accuracy of calibration like this, and every pipeline is led to and is installed the governing valve, and the governing valve can be adjusted as required, and two float flowmeters can be compared to confirm the measuring error of float flowmeter and correct.

The front end position of the fluid inlet is provided with a conveying pipeline, the inner position of the conveying pipeline is provided with a filter screen, and when fluid flows into the fluid inlet, impurities in the fluid can be filtered, so that the damage to the flowmeter caused by the impurities is prevented.

Drawings

Fig. 1 is a schematic structural view of a calibrating device of a float flowmeter according to the present utility model.

Fig. 2 is a schematic diagram of a rubber frame structure of a calibrating device of a float flowmeter according to the present utility model.

Fig. 3 is a schematic diagram of the internal structure of a rubber frame conveying pipeline of a calibrating device of a float flowmeter.

In the figure: 1. a float flowmeter body; 2. an access port; 3. a flow conduit; 4. a rotating shaft; 5. a bottom base; 6. a bolt post; 7. a fixed frame; 8. a threaded rod; 9. a regulating valve; 10. a fluid inlet port; 11. a standard flow meter; 12. a rubber frame; 13. a lock nut; 14. a baffle; 15. a filter screen; 16. and a conveying pipeline.

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.

The utility model provides a calibrating device of a float flowmeter as shown in fig. 1-3, which comprises a float flowmeter main body 1, wherein an access port 2 is arranged at the lower position of the inner side of the float flowmeter main body 1, a flow pipeline 3 is arranged at the lower position of the float flowmeter main body 1 through the access port 2, a regulating valve 9 for controlling the flow is arranged at the right end position of the flow pipeline 3, a standard flowmeter 11 is arranged at the right end position of the regulating valve 9, a fluid inlet 10 is arranged at the lower end position of the standard flowmeter 11, a conveying pipeline 16 is connected at the front end position of the fluid inlet 10, a baffle 14 is fixed at the inner wall position of the conveying pipeline 16, a filter screen 15 is fixed at the inner side position of the baffle 14 at a right angle, the front end position of the standard flowmeter 11 is connected with the fluid pipeline, a rubber frame 12 is arranged at the outer wall position of the flow pipeline 3, an oral position of the rubber frame 12 is connected with a threaded rod 8 in a plug-in manner, the rubber frame 12 is connected with the threaded rod 8 through a locking nut 13, a fixed frame 7 is arranged at the outer side position of the threaded rod 8, a rotating shaft 4 is sleeved at the lower end position of the fixed frame 7, a baffle 4 is fixed at the lower end position of the rotating shaft 6 is fixed at the rotating shaft 6, and a bolt 6 is sleeved at the inner side of the inner side 6 is sleeved at the inner side of the bolt 6.

The fluid enters from the fluid inlet 10 and flows through the standard flowmeter 11 to measure accurate flow value, and finally flows to the float flowmeter body 1 in the flowing direction of the flowing pipeline 3, so that the measured value of the float flowmeter body 1 is compared with the standard flowmeter 11, and according to the comparison result, the float flowmeter to be calibrated is adjusted in a manner of adjusting the mass of the float, the shape of the float or the structure of the float flowmeter to enable the reading of the float flowmeter to be more approximate to the reading of the standard flowmeter 11.

As shown in fig. 1 and 2, the rotation shaft 4 can control the stud 6 to move at the inner position of the bottom base 5 when rotating, the rotation of the rotation shaft 4 can change the height of the fixed frame 7, the height adjustment of the fixed frame 7 enables the rubber frame 12 to be attached to the outer wall position of the flow pipe 3, the rubber frame 12 moves along the outer wall position of the threaded rod 8, the rubber frame 12 stops moving when moving to attach to the outer wall of the flow pipe 3, and the rubber frame 12 is locked by the locking nuts 13 at the two side positions when moving to the designated position.

The rotation axis of rotation 4 makes fixed frame 7 adjust to suitable height through bolt post 6, removes rubber frame 12 along threaded rod 8 for rubber frame 12 laminating is in the outer wall position department of runner pipe 3, is locking through lock nut 13 at last, makes rubber frame 12 position can not appear changing, through this kind of mode, rubber frame 12 can firmly be fixed on runner pipe 3, has reduced the rocking and the vibration that runner pipe 3 produced.

As shown in fig. 1, a fluid inlet 10 is connected with a fluid pipeline, a standard flowmeter 11 accurately measures the fluid value in the fluid inlet 10, a float flowmeter main body 1 is installed at the left end and the right end of the standard flowmeter 11, a regulating valve 9 can control the flow direction of fluid to the size of the float flowmeter main body 1, the float flowmeter main body 1 is connected with a flow pipeline 3 through an access port 2, and the fluid value measured by the float flowmeter main body 1 is compared with the value of the standard flowmeter 11.

The device can measure two float flowmeters simultaneously, so that the calibration efficiency and accuracy can be improved, each pipeline is provided with a regulating valve 9, the regulating valve 9 can be adjusted according to the needs, and the two float flowmeters can be compared, so that the measurement error of the float flowmeters is determined and corrected.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a calibrating device of float flowmeter, its characterized in that includes float flowmeter main part (1), is located the inboard lower position department of float flowmeter main part (1) and is provided with access port (2), the pipeline (3) is installed in lower position department to float flowmeter main part (1) through access port (2), pipeline (3) right-hand member position department installs governing valve (9) that are used for controlling the flow size, the right-hand member position department of governing valve (9) installs standard flowmeter (11), the lower extreme position department of standard flowmeter (11) is provided with fluid inlet (10), the front end position department of fluid inlet (10) is connected with pipeline (16), pipeline (16) are located the inner wall position department and are fixed with baffle (14), the inboard position department of baffle (14) is the right angle and is fixed with filter screen (15), the outer wall position department of pipeline (3) is provided with rubber frame (12), the inner wall position department of rubber frame (12) is equipped with frame (8), threaded rod (8) are connected with in frame (8) through threaded rod (8) are connected with to threaded rod (8), the lower extreme position department of fixed frame (7) has cup jointed axis of rotation (4), the lower extreme position department of axis of rotation (4) is fixed with bolt post (6), simultaneously bolt post (6) cup joint in the inboard position department of bottom base (5).

2. A calibration device for a float flowmeter according to claim 1, wherein: the rotating shaft (4) can control the bolt column (6) to move at the inner position of the bottom base (5) when rotating.

3. A calibration device for a float flowmeter according to claim 2, wherein: the rotation of the rotating shaft (4) can change the height of the fixed frame (7), and the height of the fixed frame (7) is adjusted so that the rubber frame (12) is attached to the outer wall position of the flow pipeline (3).

4. A float flowmeter calibration device as set forth in claim 3 wherein: the rubber frame (12) moves along the outer wall position of the threaded rod (8), and the rubber frame (12) is attached to the outer wall of the flow pipeline (3) to stop moving.

5. The calibration device for a float flowmeter of claim 4, wherein: the rubber frame (12) is locked by locking nuts (13) at two side positions when moving to the designated position.

6. A calibration device for a float flowmeter according to claim 1, wherein: the fluid inlet (10) is connected with the fluid pipeline, and the standard flowmeter (11) accurately measures the fluid value inside the fluid inlet (10).

7. The float flowmeter calibration device of claim 6, wherein: the float flowmeter body (1) is arranged at the left end and the right end of the standard flowmeter (11), and the regulating valve (9) can control the flow direction of fluid to the size of the float flowmeter body (1).

8. A float flowmeter calibration device as set forth in claim 7 wherein: the float flowmeter body (1) is connected with the flow pipeline (3) through the access port (2), and the fluid value measured by the float flowmeter body (1) is compared with the value of the standard flowmeter (11).