Calibration equipment for electromagnetic flowmeter

Abstract

The utility model relates to the technical field of electromagnetic flow meters, and discloses a calibration device for an electromagnetic flow meter, which comprises a base, the top of the base is provided with a limiting groove, a first bidirectional threaded rod penetrates through the limiting groove and is rotatably connected with the limiting groove, and both sides of the outer ring of the first bidirectional threaded rod are in threaded connection with moving blocks. Calibration discs are fixedly connected to the tops of the two moving blocks, mounting grooves are formed in the adjacent sides of the two calibration discs, second two-way threaded rods penetrate through the mounting grooves and are rotationally connected to the mounting grooves, and moving plates are in threaded connection to the two sides of the outer ring of each second two-way threaded rod. According to the welding device, the mounting frame, the placing plate, the second motor, the rotating plate, the guide rod, the sliding sleeve, the connecting plate, the clamping plate, the clamping sleeve and the measuring guide pipe work in cooperation, the two sides of the measuring guide pipe can be clamped and fixed, and after the two ends of the measuring guide pipe are inserted into two sets of flange plates, follow-up workers can weld the flange plates and the measuring guide pipe conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to electromagnetic flowmeter technical field, concretely is a kind of calibration equipment for electromagnetic flowmeter. BACKGROUND

[0002] Electromagnetic flowmeter is made using Faraday's law of electromagnetic induction a kind of flow meter of electrically conductive fluid, it can linearly transform into corresponding induced electromotive force with flow signal, the flow of electrically conductive fluid can be determined by measuring the induced electromotive force. Electromagnetic flowmeter includes sensor and the transmitter connected with sensor, sensor is used to measure the electromotive force that electrically conductive fluid is inducted when passing through additional magnetic field due to cutting magnetic force line, and electromotive force signal is led out and is transmitted to transmitter, and transmitter amplifies the tiny electromotive force signal measured and output by sensor, and converts into standard voltage or current signal proportional to the fluid flow to be measured, then the signal after processing is output to display and / or remote client, to show the measured fluid flow.

[0003] But the existing electromagnetic flowmeter needs to weld flange plate at both ends of measuring conduit when producing, and when welding flange plate, the mounting holes on the two flange plates need to be corresponding, currently there is no better device for calibrating flange, and often calibration is carried out by human eyes, which can cause deviation.

[0004] For the above problems, a calibration equipment for electromagnetic flowmeter is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of calibration equipment for electromagnetic flowmeter, solve the problem that often calibration is carried out by human eyes in background art, which can cause deviation.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of calibration equipment for electromagnetic flowmeter, including base, the base top is provided with limiting slot, the first double-way threaded rod is rotatably connected in the limiting slot, the outer circle of the first double-way threaded rod is screw-connected with moving block on both sides, the moving block top is fixedly connected with calibration disc, the installation slot is formed in the adjacent side of two calibration discs, the second double-way threaded rod is rotatably connected in the installation slot, the outer circle of the second double-way threaded rod is screw-connected with moving plate on both sides, the moving plate adjacent side is fixedly connected with clamp, flange plate is arranged between the two clamps, four installation holes are formed in the flange plate, the supporting seat is rotatably connected in the outer circle middle part of the first double-way threaded rod, and the supporting seat outer portion is fixedly connected with the limiting slot inner wall, the fixed assembly is connected in the supporting seat top, and the measuring conduit is arranged in the fixed assembly top.

[0007] By adopting the above technical scheme, the second bidirectional threaded rod can drive the two moving plates and the clamp to move relatively, clamp and fix the flange plate outside the calibration disc, so that the flange plate can be quickly installed outside the calibration disc.

[0008] As a further description of the above technical scheme: the fixing assembly comprises a mounting frame, the bottom of the mounting frame is fixedly connected with the support seat, the top of the mounting frame is fixedly connected with a placing plate, the bottom of the placing plate is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a rotating plate, the bottom of the placing plate is fixedly connected with four guide columns, the outer part of the four guide columns is slidably connected with a sliding sleeve, the front and rear sliding sleeves are fixedly connected with a connecting plate, the top of the two connecting plates is fixedly connected with a clamping plate, and the adjacent side of the two clamping plates is fixedly connected with a clamping sleeve.

[0009] By adopting the above technical scheme, the fixing assembly can clamp and fix the outside of the measuring conduit, and after the two ends of the measuring conduit are inserted into the inside of the two groups of flange plates, subsequent workers can weld the flange plates and the measuring conduit.

[0010] As a further description of the above technical scheme: the left side of the base is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a first bidirectional threaded rod.

[0011] By adopting the above technical scheme, the first motor can drive the first bidirectional threaded rod to rotate.

[0012] As a further description of the above technical scheme: the moving block is arranged in the limiting groove, and the outer part of the moving block is slidably connected with the inner wall of the limiting groove.

[0013] By adopting the above technical scheme, the limiting groove has the effect of limiting the moving block.

[0014] As a further description of the above technical scheme: the outside of the two calibration discs is fixedly connected with a knob, and the knob is arranged outside the calibration disc.

[0015] By adopting the above technical scheme, the knob can drive the second bidirectional threaded rod to rotate.

[0016] As a further description of the above technical scheme: the mounting hole is penetrated by a positioning column, and the positioning column is fixedly connected with the calibration disc.

[0017] By adopting the above technical scheme, the flange plate inserted into the positioning column through the mounting hole can conveniently realize that the mounting holes of the two flange plates correspond to each other for calibration.

[0018] As a further description of the above technical scheme: the two sides of the rotating plate are rotatably connected with a movable arm, and the end of the movable arm is rotatably connected with the middle part of the connecting plate.

[0019] By adopting the technical scheme, the two connecting plates can be moved by the movable arm.

[0020] As a further description of the technical scheme, the measuring conduit is arranged on the top of the placing plate and between the two clamping sleeves.

[0021] By adopting the technical scheme, the two ends of the measuring conduit can be conveniently inserted into the flange plates.

[0022] Compared with the prior art, the electromagnetic flowmeter calibration device has the following beneficial effects:

[0023] 1. The electromagnetic flowmeter calibration device is characterized in that the base, the limiting groove, the first bidirectional threaded rod, the calibration disc, the second bidirectional threaded rod, the positioning column, the mounting hole, the knob and the clamp are cooperatively arranged, the two moving plates and the clamp can be moved relative to each other by the second bidirectional threaded rod, the flange plates outside the calibration disc are clamped and fixed, the flange plates can be quickly installed outside the calibration disc, the two fixed flange plates can be moved relative to each other by the second bidirectional threaded rod, the two ends of the measuring conduit can be inserted into the flange plates, the measuring conduit and the flange plates are welded, the mounting holes of the two flange plates can be corresponded by inserting the flange plates into the positioning column through the mounting hole, and calibration can be performed.

[0024] 2. The electromagnetic flowmeter calibration device is characterized in that the mounting frame, the placing plate, the second motor, the rotating plate, the movable arm, the guide rod, the sliding sleeve, the connecting plate, the clamping plate, the clamping sleeve and the measuring conduit are cooperatively arranged, the two clamping sleeves can be moved relative to each other on the two sides of the measuring conduit by the fixing assembly, the two sides of the measuring conduit are clamped and fixed, after the two ends of the measuring conduit are inserted into the two groups of flange plates, the subsequent workers can weld the flange plates and the measuring conduit. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of the utility model;

[0026] Figure 2 It is a calibration disc structure schematic view of the utility model;

[0027] Figure 3 It is a flange plate structure schematic view of the utility model;

[0028] Figure 4 It is a fixing assembly structure schematic view of the utility model.

[0029] In the figure: 1, base; 2, limiting groove; 3, first bidirectional threaded rod; 4, first motor; 5, moving block; 6, calibration disc; 7, mounting groove; 8, second bidirectional threaded rod; 9, knob; 10, moving plate; 11, clamp; 12, positioning column; 13, flange plate; 14, mounting hole; 15, support base; 16, mounting frame; 17, placing plate; 18, second motor; 19, rotating plate; 20, movable arm; 21, guide column; 22, sliding sleeve; 23, connecting plate; 24, clamping plate; 25, clamping sleeve; 26, measuring conduit. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] In order to further understand the content of the present application, the present application will be described in detail with reference to the drawings.

[0032] With reference to Figure 1 The calibration equipment for the electromagnetic flowmeter comprises a base 1, a limiting groove 2 is formed in the top of the base 1, the limiting groove 2 serves to limit the movement of the moving blocks 5, a first bidirectional threaded rod 3 is penetrated through and rotationally connected in the limiting groove 2, the outer circle of the first bidirectional threaded rod 3 is threadedly connected with the moving blocks 5 on both sides, and the first bidirectional threaded rod 3 can drive the two moving blocks 5 to move towards or away from each other. The calibration discs 6 are fixedly connected to the top of the two moving blocks 5, and the calibration discs 6 can be used to install the flange plate 13. The mounting grooves 7 are formed in the adjacent sides of the two calibration discs 6, and the mounting grooves 7 serve to limit the movement of the moving plates 10. A second bidirectional threaded rod 8 is penetrated through and rotationally connected in the mounting groove 7, the outer circle of the second bidirectional threaded rod 8 is threadedly connected with the moving plates 10 on both sides, and the second bidirectional threaded rod 8 can drive the two moving plates 10 to move towards or away from each other. The clamps 11 are fixedly connected to the adjacent sides of the two moving plates 10, and the clamps 11 can be used to clamp the flange plate 13. The flange plate 13 is arranged between the two clamps 11, four mounting holes 14 are penetrated through and formed in the flange plate 13, the mounting holes 14 are convenient for the subsequent installation of the flange plate 13, a support base 15 is penetrated through and rotationally connected to the middle of the outer circle of the first bidirectional threaded rod 3, and the support base 15 is fixedly connected with the inner wall of the limiting groove 2. The support base 15 is connected with a fixing assembly on the top, and the fixing assembly is provided with a measuring conduit 26 on the top.

[0033] With reference to Figure 2 and Figure 3The fixing assembly comprises a mounting frame 16 fixedly connected with the support base 15 at the bottom and fixedly connected with a placing plate 17 at the top, the placing plate 17 is fixedly connected with a second motor 18 at the bottom, the output end of the second motor 18 is fixedly connected with a rotating plate 19, the bottom of the placing plate 17 is fixedly connected with four guide columns 21, the four guide columns 21 are slidably connected with four sliding sleeves 22, the two sliding sleeves 22 are fixedly connected with a connecting plate 23, the two connecting plates 23 are fixedly connected with two clamping plates 24 at the top, the two clamping plates 24 are fixedly connected with two clamping sleeves 25 at the adjacent sides, the rotating plate 19 is rotatably connected with two movable arms 20 at the two sides, the movable arms 20 are rotatably connected with the connecting plate 23 at the middle, a measuring conduit 26 is arranged at the top of the placing plate 17 and between the two clamping sleeves 25, the two ends of the measuring conduit 26 are inserted into the flanges 13, the outer side of the measuring conduit 26 is clamped and fixed by the fixing assembly, and the two ends of the measuring conduit 26 are inserted into the two groups of flanges 13, then the flanges 13 and the measuring conduit 26 are welded by the subsequent workers.

[0034] With reference to Figure 4 The base 1 is fixedly connected with a first motor 4 at the left side, and the output end of the first motor 4 is fixedly connected with a first bidirectional threaded rod 3, and the first motor 4 can drive the first bidirectional threaded rod 3 to rotate. A moving block 5 is arranged in the limiting groove 2 and slidably connected with the inner wall of the limiting groove 2, and the limiting groove 2 can limit the moving block 5. Two calibration discs 6 are fixedly connected with knobs 9 at the outer sides, and the knobs 9 are arranged at the outer sides of the calibration discs 6, and the knobs 9 can drive the second bidirectional threaded rod 8 to rotate. A positioning column 12 is arranged in the mounting hole 14 and fixedly connected with the calibration disc 6, and the flanges 13 are inserted into the positioning column 12 through the mounting hole 14, so that the mounting holes 14 of the two flanges 13 can be corresponded and calibrated.

[0035] Working principle: in use, first, two flanges 13 are inserted into the positioning column 12 on the calibration disc 6 on both sides through the mounting hole 14, the flange 13 is limited, and the mounting hole 14 of the two flanges 13 is corresponded, the calibration is carried out, then the knob 9 outside the calibration disc 6 is screwed, the second bidirectional screw rod 8 is driven to rotate through the knob 9, the two moving plates 10 and the clamp 11 are driven to move relatively through the second bidirectional screw rod 8, then the two sides of the flange 13 are clamped and fixed, the flange 13 and the calibration disc 6 are connected and fixed, then the measuring conduit 26 is placed on the placing plate 17, and the second motor 18 is started, the rotating plate 19 is driven to rotate at the output end, and the movable arm 20 on both sides of the rotating plate 19 changes the angle with the rotating plate 19. Since the movable arm 20 is rotatably connected to the middle part of the connecting plate 23, the rotation of the movable arm 20 drives the connecting plate 23 to slide along the guide column 21, and then drives the two clamping plates 24 and the clamp sleeve 25 to move relatively, and firmly clamps the measuring conduit 26 between them, and realizes the fixation of the measuring conduit 26. At this time, the two ends of the measuring conduit 26 are opposite to the through hole (not marked in the figure) in the middle of the flange 13, finally the first motor 4 is started to drive the first bidirectional screw rod 3 to rotate, the two moving blocks 5 and the calibration disc 6 are driven to move relatively through the first bidirectional screw rod 3, and then the two flanges 13 are driven to move towards the measuring conduit 26, until the two ends of the measuring conduit 26 are inserted into the through hole in the middle of the flange 13, at this time, the measuring conduit 26 and the flange 13 can be welded.

[0036] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A calibration device for an electromagnetic flowmeter, comprising a base (1), characterized in that: The base (1) has a limiting groove (2) on its top. A first bidirectional threaded rod (3) is rotatably connected through the limiting groove (2). Movable blocks (5) are threaded to both sides of the outer ring of the first bidirectional threaded rod (3). Calibration plates (6) are fixedly connected to the top of the two movable blocks (5). An installation groove (7) is provided on the adjacent side of the two calibration plates (6). A second bidirectional threaded rod (8) is rotatably connected through the installation groove (7). Movable blocks (5) are threaded to both sides of the outer ring of the second bidirectional threaded rod (8). Plate (10), clamps (11) are fixedly connected to each other on one side of the two movable plates (10), and a flange (13) is provided between the two clamps (11). Four mounting holes (14) are provided through the flange (13). A support base (15) is rotatably connected through the middle of the outer ring of the first bidirectional threaded rod (3), and the outside of the support base (15) is fixedly connected to the inner wall of the limiting groove (2). A fixing component is connected to the top of the support base (15), and a measuring guide tube (26) is provided on the top of the fixing component.

2. The calibration device for an electromagnetic flowmeter according to claim 1, characterized in that: The fixing assembly includes a mounting bracket (16), the bottom of which is fixedly connected to a support base (15). A placement plate (17) is fixedly connected to the top of the mounting bracket (16). A second motor (18) is fixedly connected to the bottom of the placement plate (17). A rotating plate (19) is fixedly connected to the output end of the second motor (18). Guide posts (21) are fixedly connected to the four corners of the bottom of the placement plate (17). Sliding sleeves (22) are slidably connected to the outside of the four guide posts (21). A connecting plate (23) is fixedly connected between the front and rear sliding sleeves (22). A clamping plate (24) is fixedly connected to the top of the two connecting plates (23). A clamping sleeve (25) is fixedly connected to the adjacent side of the two clamping plates (24).

3. The calibration device for an electromagnetic flowmeter according to claim 1, characterized in that: The base (1) is fixedly connected to the left side of the first motor (4), and the output end of the first motor (4) is fixedly connected to the first bidirectional threaded rod (3).

4. The calibration device for an electromagnetic flowmeter according to claim 1, characterized in that: The movable block (5) is disposed in the limiting groove (2), and the outside of the movable block (5) is slidably connected to the inner wall of the limiting groove (2).

5. The calibration device for an electromagnetic flowmeter according to claim 1, characterized in that: Both calibration discs (6) are fixedly connected to a knob (9) on their outer sides, and the knob (9) is located on the outer side of the calibration disc (6).

6. The calibration device for an electromagnetic flowmeter according to claim 1, characterized in that: A positioning post (12) is provided through the mounting hole (14), and the positioning post (12) is fixedly connected to the calibration plate (6).

7. A calibration device for an electromagnetic flowmeter according to claim 2, characterized in that: Both sides of the rotating plate (19) are rotatably connected to movable arms (20), and the ends of the movable arms (20) are rotatably connected to the middle of the connecting plate (23).

8. A calibration device for an electromagnetic flowmeter according to claim 2, characterized in that: The measuring conduit (26) is positioned on top of the placement plate (17) and is positioned between the two jackets (25).

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