Anti-interference electromagnetic flowmeter

Abstract

The utility model discloses an anti-interference electromagnetic flowmeter, and relates to the technical field of electromagnetic flowmeters. The device comprises a main body, the outer wall of the main body is in sliding connection with a first shielding shell, the device further comprises an installation mechanism, then a first pull shell is pulled to drive a first spring to deform and drive a first sliding rod and a limiting shell to be separated from the inner wall of a second connecting shell, and therefore the first shielding shell and the second shielding shell are separated from the main body. Through the operation, the first shielding shell and the second shielding shell can be quickly mounted and dismounted, so that a worker does not need to use extra tools during mounting and dismounting, the operation steps and the working time are reduced, the efficiency of the overall mounting work is improved, meanwhile, the first shielding shell and the second shielding shell are arranged, and the working efficiency is improved. The influence of an external electromagnetic field on an internal circuit and a sensor of the flowmeter can be effectively reduced, so that the measurement accuracy and stability of the device are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electromagnetic flowmeters, in particular to an anti-interference electromagnetic flowmeter. Background Art

[0002] Prior art has disclosed a Chinese patent for an "anti-interference electromagnetic flowmeter," with publication number CN212110151U. This patent primarily involves securing the reflector ring with a locking bolt, inserting the other end of a shielding sleeve into a measuring tube, and inserting electrodes into each of the two shielding sleeves. The excitation coil and electrodes are electrically connected to the meter head. This utility model features a simple structure, stable operation, high measurement accuracy, and a wide range of applications.

[0003] However, when the above device is used to protect the electromagnetic flowmeter, workers are required to use additional tools for auxiliary installation, which makes the device installation work complicated and consumes more working time, resulting in reduced overall installation work efficiency. Utility Model Content

[0004] The purpose of the present utility model is to provide an anti-interference electromagnetic flowmeter. By setting up an installation mechanism, it solves the problem that when the above-mentioned device is used to protect the electromagnetic flowmeter, the staff need to use additional tools for auxiliary installation, which makes the installation operation of the device complicated and consumes more working time, resulting in reduced overall installation work efficiency.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model discloses an anti-interference electromagnetic flowmeter, comprising a main body, an outer wall of the main body being slidably connected to a first shielding shell, and a mounting mechanism, wherein the mounting mechanism comprises a second shielding shell slidably connected to the outer wall of the main body, the outer wall of the second shielding shell being slidably connected to the inner wall of the first shielding shell, the outer wall of the first shielding shell being fixedly connected to a plurality of first connecting shells, the outer wall of the second shielding shell being fixedly connected to a plurality of second connecting shells, the front sides of the inner walls of the plurality of first connecting shells being slidably connected to first sliding rods, the front ends of the plurality of first sliding rods being extended to the outsides of the plurality of first connecting shells, the front ends of the plurality of first sliding rods being fixedly connected to first pulling shells, the outer walls of the plurality of first sliding rods being wound with first springs, one end of the plurality of first springs being fixedly connected to the front sides of the plurality of first connecting shells, the other ends of the plurality of first springs being fixedly connected to the rear sides of the plurality of first pulling shells, the rear ends of the plurality of first sliding rods being fixedly connected to a limit shell, the outer walls of the plurality of limit shells being slidably connected to the inner walls of the plurality of second connecting shells, and the tops of the inner walls of the plurality of second connecting shells being slidably connected to second sliding rods.

[0007] Furthermore, the top ends of several second sliding rods extend to the outside of several second connecting shells, the top ends of several second sliding rods are fixedly connected to several second pulling shells, the outer walls of several second sliding rods are wrapped with second springs, one ends of several second springs are fixedly connected to the tops of several second connecting shells, the other ends of several second springs are fixedly connected to the bottoms of several second pulling shells, and the outer walls of several second sliding rods are slidably connected to the inner walls of several limit shells.

[0008] Furthermore, a connecting mechanism is provided on the outer wall of the main body, and the connecting mechanism includes connecting pipes arranged on the left and right sides of the main body. Two first flanges are fixedly connected to the outer wall of the main body, and the outer walls of the two connecting pipes are fixedly connected to second flanges. Rubber pads are provided on the left and right sides of the main body.

[0009] Furthermore, the outer walls of several first flanges and several second flanges are in contact with the outer walls of several rubber pads, the outer walls of the two connecting pipes are slidably connected to the first plug-in shells, the outer wall of the main body is slidably connected to the two second plug-in shells, the outer walls of several first plug-in shells and several second plug-in shells are slidably connected to the inner walls of several first flanges and several second flanges, and the outer walls of several first plug-in shells and several second plug-in shells are slidably connected to the inner walls of the two rubber pads.

[0010] Furthermore, two bottom shells are provided at the bottom of the main body, the inner walls of the two bottom shells are fixedly connected with fixing rods, and the outer walls of the two fixing rods are slidably connected with two clamping shells.

[0011] Furthermore, the two clamp shells on the left and the two clamp shells on the right are symmetrically arranged with the two bottom shells as the central axis, several of the clamp shells are slidingly connected to the outer walls of several plug shells and several second plug shells, and the tops of the inner walls of the two bottom shells are rotatably connected with threaded rods.

[0012] Furthermore, the bottom ends of the two threaded rods extend to the outside of the two bottom shells, the bottom ends of the two threaded rods are fixedly connected with knobs, and the outer walls of the two threaded rods are threadedly connected with the drag shells.

[0013] Furthermore, the outer walls of the two drag shells are slidably connected to the inner walls of the two bottom shells, the inner walls of the two drag shells are rotatably connected to a plurality of pull plates, and the plurality of pull plates are rotatably connected to the inner walls of the two clamping shells.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting up the installation mechanism, the first shielding shell and the second shielding shell are first slid and placed on the outer wall of the main body so that the outer wall of the second shielding shell contacts the inner wall of the first shielding shell. At this time, the limiting shell contacts the second sliding rod and moves forward, and then the second sliding rod pushes the first sliding rod and the first pulling shell and drags the first spring to produce deformation, and then pulls several second pulling shells, the second pulling shell drives the second sliding rod and drags the second spring to produce deformation, and then the limiting shell and the first pulling shell are pushed to the inside of the second connecting shell by the first spring rebound, and then disengage and pull several second pulling shells, and the second spring rebounds to limit the limiting shell and the first sliding rod and the first pulling shell and the first shielding shell to the inside of the second connecting shell, which makes the first shielding shell and the second shielding shell quickly installed on the outer wall of the main body. The wall is protected. When it needs to be disassembled, the second pull shell is pulled in the opposite direction to drive the second sliding rod to disengage from the contact with the inner wall of the limiting shell, and then the first pull shell is pulled to drive the first spring to deform and drive the first sliding rod and the limiting shell to disengage from the inner wall of the second connecting shell, which makes the first shielding shell and the second shielding shell be separated from the installation of the main body. Through the above operations, the first shielding shell and the second shielding shell are quickly installed and disassembled, so that the staff does not need to use additional tools during installation and disassembly, reducing the operation steps and working time, and improving the efficiency of the overall installation work. At the same time, the first shielding shell and the second shielding shell are set, which can effectively reduce the influence of the external electromagnetic field on the internal circuit and sensor of the flow meter, thereby improving the accuracy and stability of the device measurement.

[0016] 2. By setting a connecting mechanism, first slide the first plug shell and the second plug shell toward the center of the rubber pad, so that the first plug shell and the second plug shell connect the first flange, the second flange and the rubber pad together, and then turn the knob, the knob drives the threaded rod to rotate, the threaded rod drives the drag shell to move downward, the drag shell drives the two pull plates to move downward, and the two pull plates drive the two clamping shells to slide on the outer wall of the fixed rod and move toward its center, the two clamping shells tightly connect the first plug shell and the second plug shell with the first flange, the second flange and the rubber pad, so that the main body can be tightly connected to the connecting pipe, and then metering work is performed. Through the above operation, the first plug shell and the second plug shell can be quickly and tightly connected to the first flange, the second flange and the rubber pad, ensuring the airtight connection between the connecting pipe and the main body for metering work, improving the stability of the connection of the device, enabling the device to more accurately measure the flow rate of the fluid, reducing the measurement error caused by leakage or loosening, and improving the accuracy and reliability of the measurement.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall partial cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the installation mechanism structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the connection mechanism structure of the utility model;

[0023] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0025] 1. Main body; 11. First shielding shell; 2. Mounting mechanism; 21. Second shielding shell; 22. First connecting shell; 23. Second connecting shell; 24. First sliding rod; 25. First pulling shell; 26. First spring; 27. Limiting shell; 28. Second sliding rod; 29. ​​Second pulling shell; 210. Second spring; 3. Connecting mechanism; 31. Connecting pipe; 32. First flange; 301. Second flange; 33. Rubber pad; 34. First plug-in shell; 302. Second plug-in shell; 35. Bottom shell; 36. Fixing rod; 37. Clamp shell; 38. Threaded rod; 39. Knob; 310. Drag shell; 311. Pull plate. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-5 As shown, the utility model is an anti-interference electromagnetic flowmeter, comprising a main body 1, an outer wall of the main body 1 is slidably connected to a first shielding shell 11, and further comprising;

[0028] The mounting mechanism 2 includes a second shielding shell 21 slidably connected to the outer wall of the main body 1, the outer wall of the second shielding shell 21 is slidably connected to the inner wall of the first shielding shell 11, the outer wall of the first shielding shell 11 is fixedly connected to a plurality of first connecting shells 22, the outer wall of the second shielding shell 21 is fixedly connected to a plurality of second connecting shells 23, the front sides of the inner walls of the plurality of first connecting shells 22 are slidably connected to first sliding rods 24, the front ends of the plurality of first sliding rods 24 extend to the outside of the plurality of first connecting shells 22, the front ends of the plurality of first sliding rods 24 are fixedly connected to the first pulling shells 25, the outer walls of the plurality of first sliding rods 24 are wound with first springs 26, one end of the plurality of first springs 26 is fixedly connected to the front side of the plurality of first connecting shells 22, and the other end of the plurality of first springs 26 is fixedly connected to the front side of the plurality of first connecting shells 22. The ends are fixedly connected to the rear sides of several first pulling shells 25, the rear ends of several first sliding rods 24 are fixedly connected to the limiting shells 27, the outer walls of several limiting shells 27 are slidably connected to the inner walls of several second connecting shells 23, and the tops of the inner walls of several second connecting shells 23 are slidably connected with second sliding rods 28. The first shielding shell 11 and the second shielding shell 21 are slidably placed on the outer wall of the main body 1, so that the outer wall of the second shielding shell 21 contacts the inner wall of the first shielding shell 11. At this time, the limiting shell 27 contacts the second sliding rod 28 and moves forward, and then the second sliding rod 28 pushes the first sliding rod 24 and the first pulling shell 25 and drags the first spring 26 to deform, and then pulls several second pulling shells 29, and the second pulling shell 29 drives the second sliding rod 28 and drags the second spring 210 to deform.

[0029] The top ends of the second sliding rods 28 extend to the outside of the second connecting shells 23, the top ends of the second sliding rods 28 are fixedly connected to the second pulling shells 29, the outer walls of the second sliding rods 28 are wound with second springs 210, one end of the second springs 210 is fixedly connected to the top of the second connecting shells 23, the other ends of the second springs 210 are fixedly connected to the bottom of the second pulling shells 29, the outer walls of the second sliding rods 28 are slidably connected to the inner walls of the limiting shells 27, and then the limiting shell 27 and the first pulling shell 25 are pushed to the inside of the second connecting shell 23 by the first spring 26, and then disengage and pull the second pulling shells 29. The second spring 210 rebounds to limit the limiting shell 27 and the first sliding rod 24, the first pulling shell 25 and the first shielding shell 11 to the inside of the second connecting shell 23, which makes the first shielding shell 11 The second shielding shell 21 is quickly installed on the outer wall of the main body 1 for protection. When disassembly is required, the second pull shell 29 is pulled in the opposite direction to drive the second slide bar 28 to disengage from the contact with the inner wall of the limiting shell 27, and then the first pull shell 25 is pulled to drive the first spring 26 to deform and drive the first slide bar 24 and the limiting shell 27 to disengage from the inner wall of the second connecting shell 23, which makes the first shielding shell 11 and the second shielding shell 21 disengaged from the installation on the main body 1. Through the above operation, the first shielding shell 11 and the second shielding shell 21 are quickly installed and disassembled, so that the staff does not need to use additional tools during installation and disassembly, reducing the operation steps and working time, and improving the efficiency of the overall installation work. At the same time, the first shielding shell 11 and the second shielding shell 21 are set, which can effectively reduce the influence of the external electromagnetic field on the internal circuit and sensor of the flowmeter, thereby improving the accuracy and stability of the device measurement.

[0030] A connecting mechanism 3 is provided on the outer wall of the main body 1, and the connecting mechanism 3 includes connecting pipes 31 arranged on the left and right sides of the main body 1. Two first flanges 32 are fixedly connected to the outer wall of the main body 1, and the outer walls of the two connecting pipes 31 are fixedly connected to the second flange 301. Rubber pads 33 are provided on the left and right sides of the main body 1. The first plug-in shell 34 and the second plug-in shell 302 are slid toward the center of the rubber pad 33, so that the first plug-in shell 34 and the second plug-in shell 302 connect the first flange 32 and the second flange 301 and the rubber pad 33 together.

[0031] The outer walls of several first flanges 32 and several second flanges 301 are in contact with the outer walls of several rubber pads 33, the outer walls of the two connecting pipes 31 are slidably connected to the first plug-in shell 34, the outer wall of the main body 1 is slidably connected to the two second plug-in shells 302, the outer walls of several first plug-in shells 34 and several second plug-in shells 302 are slidably connected to the inner walls of several first flanges 32 and several second flanges 301, the outer walls of several first plug-in shells 34 and several second plug-in shells 302 are slidably connected to the inner walls of the two rubber pads 33, so that the first plug-in shell 34 and the second plug-in shell 302 connect the first flange 32, the second flange 301 and the rubber pad 33 together.

[0032] Two bottom shells 35 are provided at the bottom of the main body 1. The inner walls of the two bottom shells 35 are fixedly connected with fixed rods 36. The outer walls of the two fixed rods 36 are slidably connected with two clamping shells 37. Then, the knob 39 is turned, and the knob 39 drives the threaded rod 38 to rotate. The threaded rod 38 drives the drag shell 310 to move downward. The drag shell 310 drives the two pull plates 311 to move downward. The two pull plates 311 drive the two clamping shells 37 to slide on the outer wall of the fixed rod 36 and move toward its center.

[0033] The two clamping shells 37 on the left and the two clamping shells 37 on the right are symmetrically arranged with the two bottom shells 35 as the central axis. The several clamping shells 37 are slidably connected to the outer walls of the several plug shells 34 and the several second plug shells 302. The top of the inner wall of the two bottom shells 35 is rotatably connected with a threaded rod 38. The knob 39 drives the threaded rod 38 to rotate, and the threaded rod 38 drives the drag shell 310 to move downward. The drag shell 310 drives the two pull plates 311 to move downward. The two pull plates 311 drive the two clamping shells 37 to slide on the outer wall of the fixed rod 36 and move to its center. The two clamping shells 37 tightly connect the first plug shell 34 and the second plug shell 302 with the first flange 32, the second flange 301 and the rubber pad 33.

[0034] The bottom ends of the two threaded rods 38 extend to the outside of the two bottom shells 35. The bottom ends of the two threaded rods 38 are fixedly connected to knobs 39. The outer walls of the two threaded rods 38 are threadedly connected to drag shells 310. The drag shells 310 drive the two pull plates 311 to move downward. The two pull plates 311 drive the two clamping shells 37 to slide on the outer walls of the fixed rods 36 and move to its center. The two clamping shells 37 tightly connect the first plug-in shell 34 and the second plug-in shell 302 with the first flange 32, the second flange 301 and the rubber pad 33, so that the main body 1 can be sealed with the connecting pipe 31, and then the metering work can be carried out.

[0035] The outer walls of the two drag shells 310 are slidably connected to the inner walls of the two bottom shells 35. The inner walls of the two drag shells 310 are rotatably connected to a plurality of pull plates 311. The plurality of pull plates 311 are rotatably connected to the inner walls of the two clamp shells 37. The knob 39 drives the threaded rod 38 to rotate, and the threaded rod 38 drives the drag shell 310 to move downward. The drag shell 310 drives the two pull plates 311 to move downward. The two pull plates 311 drive the two clamp shells 37 to slide on the outer wall of the fixed rod 36 and move to its center. The two clamp shells 37 connect the first plug shell 34 and the second plug shell 302 with the first flange 32 and the second flange 32. The flange 301 and the rubber gasket 33 are tightly connected together, which enables the main body 1 to be tightly connected to the connecting pipe 31 and then perform metering. Through the above operation, the first plug-in shell 34 and the second plug-in shell 302 can be quickly tightly connected to the first flange 32, the second flange 301 and the rubber gasket 33, ensuring the tightly connected connection between the connecting pipe 31 and the main body 1 for metering, improving the stability of the device connection, enabling the device to more accurately measure the flow rate of the fluid, reducing measurement errors caused by leakage or looseness, and improving the accuracy and reliability of the measurement.

[0036] A specific application of this embodiment is: when using the device, the first shielding shell 11 and the second shielding shell 21 are slidably placed on the outer wall of the main body 1, so that the outer wall of the second shielding shell 21 contacts the inner wall of the first shielding shell 11, at this time, the limiting shell 27 contacts the second sliding rod 28 and moves forward, and then the second sliding rod 28 pushes the first sliding rod 24 and the first pulling shell 25 and drags the first spring 26 to produce deformation, and then pulls a number of second pulling shells 29, the second pulling shell 29 drives the second sliding rod 28 and drags the second spring 210 to produce deformation, and then the limiting shell 27 and the first pulling shell 25 are pushed to the inside of the second connecting shell 23 by the first spring 26, and then disengage and pull a number of second pulling shells 29, and the second spring 210 rebounds to limit the limiting shell 27 and the first sliding rod 24 and the first pulling shell 25 and the first shielding shell 11 to the inside of the second connecting shell 23, which makes the first shielding shell 11 The second shielding shell 21 is quickly installed on the outer wall of the main body 1 for protection. When disassembly is required, the second pull shell 29 is pulled in the opposite direction to drive the second slide bar 28 to disengage from the contact with the inner wall of the limiting shell 27, and then the first pull shell 25 is pulled to drive the first spring 26 to deform and drive the first slide bar 24 and the limiting shell 27 to disengage from the inner wall of the second connecting shell 23, which makes the first shielding shell 11 and the second shielding shell 21 disengaged from the installation on the main body 1. Through the above operation, the first shielding shell 11 and the second shielding shell 21 are quickly installed and disassembled, so that the staff does not need to use additional tools during installation and disassembly, reducing the operation steps and working time, and improving the efficiency of the overall installation work. At the same time, the first shielding shell 11 and the second shielding shell 21 are set, which can effectively reduce the influence of the external electromagnetic field on the internal circuit and sensor of the flowmeter, thereby improving the accuracy and stability of the device measurement.

[0037] When using the device, slide the first plug shell 34 and the second plug shell 302 toward the center of the rubber pad 33, so that the first plug shell 34 and the second plug shell 302 connect the first flange 32 and the second flange 301 and the rubber pad 33 together, and then turn the knob 39, the knob 39 drives the threaded rod 38 to rotate, the threaded rod 38 drives the drag shell 310 to move downward, the drag shell 310 drives the two pull plates 311 to move downward, the two pull plates 311 drive the two clamping shells 37 to slide on the outer wall of the fixing rod 36 and move to its center, and the two clamping shells 37 connect the first plug shell 34 and the second plug shell 302 with the first flange The disc 32, the second flange 301 and the rubber gasket 33 are tightly connected together, which enables the main body 1 to be tightly connected to the connecting pipe 31, and then the metering work can be carried out. Through the above operation, the first plug-in shell 34 and the second plug-in shell 302 can be quickly tightly connected to the first flange 32, the second flange 301 and the rubber gasket 33, ensuring the tight connection between the connecting pipe 31 and the main body 1 for metering work, improving the stability of the device connection, enabling the device to more accurately measure the flow rate of the fluid, reducing the measurement error caused by leakage or looseness, and improving the accuracy and reliability of the measurement.

[0038] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0039] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An anti-interference electromagnetic flowmeter, comprising a main body (1), wherein the outer wall of the main body (1) is slidably connected to a first shielding shell (11), characterized in that: Also includes; The mounting mechanism (2) comprises a second shielding shell (21) slidably connected to the outer wall of the main body (1), the outer wall of the second shielding shell (21) is slidably connected to the inner wall of the first shielding shell (11), the outer wall of the first shielding shell (11) is fixedly connected to a plurality of first connecting shells (22), the outer wall of the second shielding shell (21) is fixedly connected to a plurality of second connecting shells (23), the front sides of the inner walls of the plurality of first connecting shells (22) are slidably connected to first sliding rods (24), the front ends of the plurality of first sliding rods (24) extend to the outside of the plurality of first connecting shells (22), and the plurality of first sliding rods (24) are fixedly connected to the outer wall of the plurality of first connecting shells (22). The front ends are fixedly connected to the first pull shell (25), the outer walls of the plurality of first slide bars (24) are wound with first springs (26), one ends of the plurality of first springs (26) are fixedly connected to the front sides of the plurality of first connection shells (22), the other ends of the plurality of first springs (26) are fixedly connected to the rear sides of the plurality of first pull shells (25), the rear ends of the plurality of first slide bars (24) are fixedly connected to the limiting shell (27), the outer walls of the plurality of limiting shells (27) are slidably connected to the inner walls of the plurality of second connection shells (23), and the tops of the inner walls of the plurality of second connection shells (23) are slidably connected to second slide bars (28).

2. The anti-interference electromagnetic flowmeter according to claim 1, characterized in that: The top ends of the plurality of second slide bars (28) extend to the outside of the plurality of second connecting shells (23), the top ends of the plurality of second slide bars (28) are fixedly connected to the plurality of second pull shells (29), the outer walls of the plurality of second slide bars (28) are wound with second springs (210), one ends of the plurality of second springs (210) are fixedly connected to the tops of the plurality of second connecting shells (23), the other ends of the plurality of second springs (210) are fixedly connected to the bottoms of the plurality of second pull shells (29), and the outer walls of the plurality of second slide bars (28) are slidably connected to the inner walls of the plurality of limit shells (27).

3. The anti-interference electromagnetic flowmeter according to claim 2, characterized in that: The outer wall of the main body (1) is provided with a connecting mechanism (3), the connecting mechanism (3) comprises connecting pipes (31) provided on the left and right sides of the main body (1), the outer wall of the main body (1) is fixedly connected to two first flanges (32), the outer walls of the two connecting pipes (31) are both fixedly connected to second flanges (301), and rubber pads (33) are provided on the left and right sides of the main body (1).

4. The anti-interference electromagnetic flowmeter according to claim 3, characterized in that: The outer walls of the plurality of first flanges (32) and the plurality of second flanges (301) are in contact with the outer walls of the plurality of rubber pads (33); the outer walls of the two connecting pipes (31) are slidably connected to the first plug-in shells (34); the outer wall of the main body (1) is slidably connected to the two second plug-in shells (302); the outer walls of the plurality of first plug-in shells (34) and the plurality of second plug-in shells (302) are slidably connected to the inner walls of the plurality of first flanges (32) and the plurality of second flanges (301); and the outer walls of the plurality of first plug-in shells (34) and the plurality of second plug-in shells (302) are slidably connected to the inner walls of the two rubber pads (33).

5. The anti-interference electromagnetic flowmeter according to claim 4, characterized in that: Two bottom shells (35) are provided at the bottom of the main body (1), the inner walls of the two bottom shells (35) are fixedly connected to fixing rods (36), and the outer walls of the two fixing rods (36) are slidably connected to two clamping shells (37).

6. The anti-interference electromagnetic flowmeter according to claim 5, characterized in that: The two clamping shells (37) on the left side and the two clamping shells (37) on the right side are symmetrically arranged with respect to the central axis of the two bottom shells (35); the plurality of clamping shells (37) are slidably connected to the outer walls of the plurality of plug shells (34) and the plurality of second plug shells (302); and the tops of the inner walls of the two bottom shells (35) are rotatably connected to threaded rods (38).

7. The anti-interference electromagnetic flowmeter according to claim 6, characterized in that: The bottom ends of the two threaded rods (38) extend to the outside of the two bottom shells (35), the bottom ends of the two threaded rods (38) are fixedly connected with knobs (39), and the outer walls of the two threaded rods (38) are threadedly connected with the drag shell (310).

8. The anti-interference electromagnetic flowmeter according to claim 7, characterized in that: The outer walls of the two drag shells (310) are slidably connected to the inner walls of the two bottom shells (35), the inner walls of the two drag shells (310) are rotatably connected to a plurality of pull plates (311), and the plurality of pull plates (311) are rotatably connected to the inner walls of the two clamp shells (37).

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