Supporting device for flowmeter verification

Abstract

The utility model relates to a supporting device for checking a flowmeter, which comprises an operating frame, screw rods are connected to the operating frame in a bilateral symmetry manner, and a driving mechanism for driving the screw rods to rotate is mounted at the upper end of the operating frame; the lead screws are jointly in threaded connection with a containing table, sliding seats are arranged on the containing table in a bilateral symmetry mode, and movable clamp assemblies are arranged on the sliding seats. Technicians can adjust the distance between the movable clamp and the fixed clamp according to the specific size of the flow meter, so that the movable clamp assembly can stably clamp the flow meter, and the situation that the flow meter shakes due to flowing of test fluid in the calibration process, the flow meter and a calibration pipeline are not in a sealed state any more, and the fluid leaks is avoided.

Description

Technical Field

[0001] The utility model relates to a flowmeter, in particular to a supporting device for flowmeter calibration. Background Art

[0002] A flowmeter is an instrument for measuring the flow rate (i.e., the volume or mass of fluid flowing through per unit time) of fluids (such as liquids and gases) in pipelines or open channels. It is widely used in industrial, commercial and scientific research fields and is crucial for monitoring production processes, product metering, energy management, etc.

[0003] In order to ensure the accuracy and stability of the flowmeter and make it meet national or international standards, the flowmeter needs to be calibrated before leaving the factory. During calibration, technicians need to manually connect the flowmeter to the calibration pipeline, allow the test fluid to pass through the flowmeter, and calibrate the flowmeter with a fixed fluid volume. When manually connecting the flowmeter, technicians need to support the flowmeter first, make its height level with the calibration pipeline and then connect with the latter. During the process of manual support and alignment, it is easy for the flowmeter to tilt, resulting in misalignment between the flowmeter and the calibration pipeline, causing leakage of the test fluid during the test, and further causing errors and affecting the accuracy of the test results.

[0004] In view of the above problems, we propose a supporting device for flowmeter calibration. Content of the Utility Model

[0005] The utility model proposes a supporting device for flowmeter calibration, which solves the above problems existing in the prior art during use.

[0006] The technical solution of the utility model is realized as follows: A supporting device for flowmeter calibration includes an operation frame, on which lead screws are symmetrically connected left and right, and a driving mechanism for driving the lead screws to rotate is installed at the upper end of the operation frame;

[0007] A placement table is commonly threadedly connected to the lead screws, sliding seats are symmetrically arranged left and right on the placement table, and movable clamping assemblies are arranged on the sliding seats.

[0008] Further, the driving mechanism includes a servo motor;

[0009] The servo motor is installed at the upper end of the operation frame, the output shaft of the servo motor is fixedly connected to one of the lead screws, and a synchronous belt is connected between the lead screws.

[0010] Further, the movable clamping assembly includes a fixed clamp and a movable clamp;

[0011] Placing half-grooves are formed on the mutually approaching side surfaces of the fixed clamp and the movable clamp;

[0012] The fixed clamp is fixedly connected to the sliding seat. A first sliding groove is formed in the sliding seat. A first sliding block is integrally formed at the lower end of the movable clamp. The first sliding block is slidably connected in the first sliding groove. A compression spring is connected between the front side wall of the first sliding groove and the first sliding block.

[0013] Furthermore, a vertical plate is fixedly connected to the sliding seat behind the fixed clamp. A vertical sliding groove is formed in the vertical plate. A pressing plate is slidably connected up and down in the vertical sliding groove. A threaded shaft is rotatably connected in the vertical sliding groove. The pressing plate is threadedly connected to the threaded shaft.

[0014] Furthermore, a second sliding groove is formed in the placing table. A second sliding block is fixedly connected to the rear side wall of the sliding seat. The second sliding block is slidably connected in the second sliding groove.

[0015] Furthermore, a limiting groove is formed in the placing table. The limiting groove is located below the second sliding groove;

[0016] A reinforcing rib is fixedly connected to the lower end of the sliding seat. A limiting sliding block is fixedly connected to the end of the reinforcing rib that is not connected to the sliding seat. The limiting sliding block is slidably connected in the limiting groove.

[0017] Furthermore, a plurality of universal wheels are installed at the bottom of the operating frame.

[0018] In summary, the beneficial effects of the present utility model are as follows:

[0019] Technicians can adjust the distance between the movable clamp and the fixed clamp according to the specific size of the flowmeter, so that the movable clamp assembly can stably clamp the flowmeter, avoiding the flowmeter from shaking due to the flow of the test fluid during calibration, resulting in the flowmeter and the calibration pipeline no longer being in a sealed state and causing fluid leakage;

[0020] After technicians fix the flowmeter, they can adjust the height of the flowmeter by driving the lead screw, so that the flowmeter can be accurately docked with the calibration pipeline, avoiding misalignment between the two, thereby avoiding fluid leakage during testing and ensuring the accuracy of the test results. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1This is the overall structural schematic diagram of the utility model;

[0023] Figure 2 This is the structural schematic diagram of the sliding seat in the utility model;

[0024] Figure 3 is Figure 2 the cross-sectional view of.

[0025] Reference numerals in the figure: 11, operating frame; 12, lead screw; 13, placing table; 14, sliding seat; 15, servo motor; 16, synchronous belt; 17, fixed clamp; 18, moving clamp; 19, first sliding groove; 20, first slider; 21, compression spring; 22, placing semi-groove; 23, vertical plate; 24, vertical sliding groove; 25, threaded shaft; 26, pressing plate; 27, second sliding groove; 28, second slider; 29, limiting groove; 30, reinforcing rib; 31, limiting slider; 32, universal wheel. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the attached Figures 1-3 drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0027] Embodiment:

[0028] As Figures 1 to 3 shown, a support device for flowmeter calibration includes an operating frame 11. The lead screws 12 are symmetrically connected to the left and right on the operating frame 11. A driving mechanism for driving the lead screws 12 to rotate is installed at the upper end of the operating frame 11. The specific structure of the driving mechanism is as follows: The driving mechanism includes a servo motor 15. The servo motor 15 is installed at the upper end of the operating frame 11. The output shaft of the servo motor 15 is fixedly connected to one of the lead screws 12, thereby driving one of the lead screws 12 to rotate. And a synchronous belt 16 is connected between the two lead screws 12. Through the synchronous belt 16, the two lead screws 12 can rotate synchronously.

[0029] A placing table 13 is commonly threadedly connected to the lead screw 12. Two sliding seats 14 are symmetrically arranged on the left and right of the placing table 13. The number of the sliding seats 14 is two, and both of the two sliding seats 14 are slidably connected to the placing table 13 in the left-right direction. An active clip assembly for fixing a flowmeter is arranged on the sliding seat 14. The specific structure of the active clip assembly is as follows: The active clip assembly includes a fixed clip 17 and a movable clip 18, and placing half-grooves 22 for placing the flowmeter are formed on the opposite side surfaces of the fixed clip 17 and the movable clip 18. The fixed clip 17 is fixedly connected to the sliding seat 14. A first sliding groove 19 is formed in the sliding seat 14. A first sliding block 20 is integrally formed at the lower end of the movable clip 18. The first sliding block 20 is slidably connected to the first sliding groove 19. A compression spring 21 is connected between the front side wall of the first sliding groove 19 and the first sliding block 20.

[0030] Technicians first place the flowmeter in the placing half-groove 22 on the fixed clip 17 and push the movable clip 18, so as to adjust the distance between the movable clip 18 and the fixed clip 17, thereby ensuring that the fixed clip 17 and the movable clip 18 can stably clamp the flowmeter.

[0031] Moreover, a vertical plate 23 is fixedly connected to the sliding seat 14 behind the fixed clip 17. A vertical sliding groove 24 with an opening facing forward is formed in the vertical plate 23. A pressing plate 26 is slidably connected to the vertical sliding groove 24 in the up-down direction. A threaded shaft 25 is rotatably connected to the vertical sliding groove 24. The pressing plate 26 is threadedly connected to the threaded shaft 25.

[0032] After the flowmeter is fixed by the fixed clip 17 and the movable clip 18, technicians rotate the threaded shaft 25 to move the pressing plate 26 downward until it presses on the upper end of the flowmeter, thereby further fixing the flowmeter and preventing the flowmeter from vibrating due to too large fluid flow during calibration, resulting in fluid leakage.

[0033] The specific connection manner between the sliding seat 14 and the placing table 13 is as follows: A second sliding groove 27 is formed in the placing table 13. A second sliding block 28 is fixedly connected to the rear side wall of the sliding seat 14. The second sliding block 28 is slidably connected to the second sliding groove 27. Through the above structure, technicians can flexibly adjust the positions of the two sliding seats 14 to ensure that the active clip assembly can fix both ends of the flowmeter, so as to adapt to flowmeters of various specifications for calibration.

[0034] In addition, since the flowmeter has a certain weight, in order to ensure that the sliding seat 14 can provide stable support, a reinforcing rib 30 is fixedly connected to the lower end of the sliding seat 14. A limiting groove 29 is formed on the placing table 13. The limiting groove 29 is located below the second sliding groove 27. One end of the reinforcing rib 30 that is not connected to the sliding seat 14 is fixedly connected with a limiting slider 31. The limiting slider 31 is slidably connected in the limiting groove 29. Thus, while the reinforcing rib 30 can move along with the sliding seat 14, it can give stable support to the sliding seat 14, thereby enhancing the structural strength of the sliding seat 14 and preventing the sliding seat 14 from being damaged due to being unable to bear the weight of the flowmeter.

[0035] Moreover, a plurality of universal wheels 32 are installed at the bottom of the operation frame 11, so as to facilitate technicians to move the support device for flowmeter calibration, enabling it to adapt to different test environments.

[0036] Meanwhile, it should be pointed out that the terms used in the present invention, such as "front", "rear", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the protection scope of the present invention.

[0037] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A support device for flowmeter calibration, comprising an operation frame (11), characterized in that: The operation frame (11) is symmetrically connected with lead screws (12) on the left and right, and a driving mechanism for driving the lead screws (12) to rotate is installed at the upper end of the operation frame (11); A placing table (13) is commonly threadedly connected to the lead screws (12), sliding seats (14) are symmetrically arranged on the left and right of the placing table (13), and movable clamping assemblies are arranged on the sliding seats (14).

2. The support device for flowmeter calibration according to claim 1, characterized in that: The driving mechanism includes a servo motor (15); The servo motor (15) is installed at the upper end of the operation frame (11), the output shaft of the servo motor (15) is fixedly connected to one of the lead screws (12), and a synchronous belt (16) is connected between the lead screws (12).

3. A support device for flowmeter calibration according to claim 1, characterized in that: The movable clamping assembly includes a fixed clamp (17) and a movable clamp (18); Placing half-grooves (22) are formed on the side surfaces of the fixed clamp (17) and the movable clamp (18) close to each other; The fixed clamp (17) is fixedly connected to the sliding seat (14), a first sliding groove (19) is formed in the sliding seat (14), a first sliding block (20) is integrally formed at the lower end of the movable clamp (18), the first sliding block (20) is slidably connected in the first sliding groove (19), and a compression spring (21) is connected between the front side wall of the first sliding groove (19) and the first sliding block (20).

4. A support device for flowmeter calibration according to claim 3, characterized in that: A vertical plate (23) is fixedly connected to the sliding seat (14) behind the fixed clamp (17), a vertical sliding groove (24) is formed in the vertical plate (23), a pressing plate (26) is slidably connected up and down in the vertical sliding groove (24), a threaded shaft (25) is rotatably connected in the vertical sliding groove (24), and the pressing plate (26) is threadedly connected to the threaded shaft (25).

5. A support device for flowmeter calibration according to claim 1, characterized in that: A second sliding groove (27) is formed in the placing table (13), a second sliding block (28) is fixedly connected to the rear side wall of the sliding seat (14), and the second sliding block (28) is slidably connected in the second sliding groove (27).

6. The support device for flowmeter calibration according to claim 5, characterized in that: A limiting groove (29) is formed in the placing table (13), and the limiting groove (29) is located below the second sliding groove (27); A reinforcing rib (30) is fixedly connected to the lower end of the sliding seat (14), and a limiting sliding block (31) is fixedly connected to the end of the reinforcing rib (30) not connected to the sliding seat (14), and the limiting sliding block (31) is slidably connected in the limiting groove (29).

7. A support device for flowmeter calibration according to claim 1, characterized in that: A plurality of universal wheels (32) are installed at the bottom of the operation frame (11).

Images