CN212363321U

CN212363321U - Vortex street shielding structure

Info

Publication number: CN212363321U
Application number: CN202021182920.7U
Authority: CN
Inventors: 黄雄夏
Original assignee: Dalian Aceflow Technology Co ltd
Current assignee: Dalian Aceflow Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-01-15
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a vortex street shielding structure, which comprises a first bottom plate, wherein the top end of the first bottom plate is fixedly connected with a plurality of connecting plates, the top ends of a plurality of connecting plates are all fixedly connected with a first protective ring, the inner side wall of the plurality of first protective rings is jointly and fixedly connected with a measuring pipeline, the vortex shedding flowmeter main body is arranged in the middle of the measuring pipeline, the mounting flanges are arranged at the two ends of the measuring pipeline, the hoses are arranged at the ends of the mounting flanges far away from the measuring pipeline, the external pipeline is fixedly connected at the end of the hoses far away from the measuring pipeline, the movable plate is arranged, so that the vibration wave in the hoses can be better transmitted into the second spring, meanwhile, the movable plate supports the hose between the external pipeline and the measuring pipeline, so that the device is higher in measuring precision, better in measuring effect and better in effect of shielding shock waves.

Description

Vortex street shielding structure

Technical Field

The utility model relates to an anti-vibration field especially relates to a vortex street shielding structure.

Background

The vortex shedding flowmeter is a volume flowmeter which is produced according to the Karman vortex shedding principle and is used for measuring the volume flow, standard condition volume flow or mass flow of gas, steam or liquid. The vortex shedding flowmeter is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media of gas, liquid, steam and the like. The vortex shedding flowmeter requires good damping performance, has no drift at zero point, and effectively eliminates the influence of external vibration.

The existing vortex street flowmeter has general damping performance, so that the vibration protection capability of the existing vortex street flowmeter on a pipeline is insufficient, and the measurement precision is directly influenced, so that a vortex street shielding structure is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a vortex street shielding structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vortex street shielding structure comprises a first bottom plate, wherein the top end of the first bottom plate is fixedly connected with a plurality of connecting plates, the top ends of the connecting plates are fixedly connected with first protection rings, the inner side walls of the first protection rings are fixedly connected with a measuring pipeline together, the middle part of the measuring pipeline is provided with a vortex street flowmeter main body, two ends of the measuring pipeline are provided with mounting flanges, one ends of the two mounting flanges, which are far away from the measuring pipeline, are provided with hoses, one ends of the two hoses, which are far away from the measuring pipeline, are fixedly connected with an external pipeline, the outer side wall of the external pipeline is fixedly connected with a second protection ring, the bottom of the second protection ring is fixedly connected with a first spring, the bottom of the first spring is fixedly connected with a second bottom plate, one side, which is close to the hoses, of the top end of the second bottom, the top end of the movable plate is smoothly attached to the bottom of the hose.

As a further description of the above technical solution:

and one side of the hose, which is close to the mounting flange, is provided with the mounting flange, and the mounting flange is connected by using bolts.

As a further description of the above technical solution:

the number of the second bottom plates is two, and the second bottom plates are evenly distributed on two sides of the first bottom plate.

As a further description of the above technical solution:

the first bottom plate and the connecting plate are made of alloy materials and are integrally cast and formed.

As a further description of the above technical solution:

the second bottom plate and the movable plate are made of rubber materials, and the sections of the second bottom plate and the movable plate are rectangular.

As a further description of the above technical solution:

the number of the second springs is multiple, and the second springs are evenly distributed between the second bottom plate and the movable plate.

As a further description of the above technical solution:

the number of the first guard rings and the number of the connecting plates are four, the first guard rings are evenly distributed on two sides of the measuring pipeline close to the vortex shedding flowmeter main body, and the first guard rings are made of alloy materials.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the fly leaf, the setting of fly leaf makes better convey the inside shock wave of hose to the second spring in, and the fly leaf supports the hose simultaneously between outside pipeline and measurement pipeline, and the device measurement accuracy is higher, and measuring effect is better, and the effect of shielding shock wave is better.

2. The utility model discloses a set up first guard ring and connecting plate, the bottom plate, the measuring tube way, first spring, the second spring, the hose, at work, the mounting flange that will measure the pipeline both ends is connected with the mounting flange that corresponds the hose with the bolt, at this moment the inside material flow direction of outside pipeline measures the pipeline, vortex flowmeter main part detects it, when outside pipeline produces vibrations, first spring and second guard ring weaken the shock wave, when the shock wave passes through the hose, weaken the shock wave again, the fly leaf absorbs the shock wave of some hose insides, thereby when the shock wave passes through the measuring tube way, have close disappearance, if have surplus shock wave and measuring tube way, because first guard ring and connecting plate, the bottom plate is made for the alloy material, thereby make the shock wave difficult to produce the impact to first guard ring and connecting plate, the bottom plate, the measuring tube way, thereby make the vortex shedding flowmeter main part measure more stable, the setting up of first guard ring and connecting plate, bottom plate, measuring tube way, first spring, second spring, hose makes the vortex shedding flowmeter main part avoid receiving external force vibrations and influence measurement accuracy, thereby it is higher to make vortex shedding flowmeter main part measurement accuracy, and measurement effect is better, and the device measurement accuracy is higher, and measurement effect is better, and shielding shock wave's effect is better, improves measurement accuracy greatly.

Drawings

Fig. 1 is a side sectional view of a vortex street shielding structure according to the present invention;

fig. 2 is a top view of the flexible pipe in the vortex street shielding structure according to the present invention;

fig. 3 is a bottom view of a movable plate in the vortex street shielding structure of the present invention.

Illustration of the drawings:

1. a first base plate; 2. a connecting plate; 3. a first guard ring; 4. measuring a pipeline; 5. a vortex shedding flowmeter body; 6. installing a flange; 7. a hose; 8. an external pipe; 9. a movable plate; 10. a second guard ring; 11. a first spring; 12. a second spring; 13. a second base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a vortex street shielding structure comprises a first bottom plate 1, wherein a plurality of connecting plates 2 are fixedly connected to the top end of the first bottom plate 1, a first protection ring 3 is fixedly connected to the top end of each connecting plate 2, a measuring pipeline 4 is fixedly connected to the inner side walls of the first protection rings 3 together, a vortex street flowmeter main body 5 is arranged in the middle of the measuring pipeline 4, mounting flanges 6 are arranged at the two ends of the measuring pipeline 4, a hose 7 is arranged at one end of each mounting flange 6 far away from the measuring pipeline 4, an external pipeline 8 is fixedly connected to one end of each hose 7 far away from the measuring pipeline 4, a second protection ring 10 is fixedly connected to the outer side wall of the external pipeline 8, a first spring 11 is fixedly connected to the bottom of the second protection ring 10, a second bottom plate 13 is fixedly connected to the bottom of the first spring 11, a second spring 12 is fixedly connected to one side, close to the hose 7, of the, the top end of the movable plate 9 is smoothly attached to the bottom of the hose 7.

One side of the hose 7 close to the mounting flange 6 is provided with the mounting flange 6, and the two mounting flanges 6 are connected through bolts, so that the measuring pipeline 4 can be fixed better. The number of the second bottom plates 13 is two, and the second bottom plates are uniformly distributed on two sides of the first bottom plate 1, so that vibration generated by the external pipeline 8 can be weakened better. First bottom plate 1 and connecting plate 2's material are the alloy material and make, and the better messenger vortex shedding flowmeter main part 5 of being convenient for remains stable, and first bottom plate 1 and connecting plate 2 casting shaping as an organic whole, the better fixed pipeline 4 of being convenient for to make vortex shedding flowmeter main part 5 remain stable. The second bottom plate 13 and the movable plate 9 are made of rubber materials, so that vibration generated by the external pipeline 8 can be weakened better, and the sections of the second bottom plate 13 and the movable plate 9 are rectangular. The number of the second springs 12 is plural and the second springs are uniformly distributed between the second bottom plate 13 and the movable plate 9, so that the vibration generated by the external pipe 8 is better attenuated. First guard ring 3 is four with the quantity of connecting plate 2, and evenly distributed is close to the both sides of vortex shedding flowmeter main part 5 at measuring tube 4 to make vortex shedding flowmeter main part 5 remain stable, first guard ring 3 is made for the alloy material.

The working principle is as follows: the mounting flanges 6 at the two ends of the measuring pipeline 4 are connected with the mounting flanges 6 of the corresponding hoses 7 by bolts, at this time, the material in the outer pipeline 8 flows to the measuring pipeline 4, the vortex shedding flowmeter body 5 detects the material, when the outer pipeline 8 generates vibration, the first spring 11 and the second protection ring 10 weaken the vibration wave, when the vibration wave passes through the hose 7, the vibration wave is weakened again, the movable plate 9 absorbs part of the vibration wave inside the hose 7, therefore, when the vibration wave passes through the measuring pipeline 4, the vibration wave is nearly disappeared, if the residual vibration wave and the measuring pipeline 4 exist, because the first protective ring 3, the connecting plate 2 and the first bottom plate 1 are made of alloy materials, thereby the shock wave is difficult to make first guard ring 3 and connecting plate 2, first bottom plate 1, measuring tube 4 produce the impact to make vortex shedding flowmeter main part 5 more stable measure.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A vortex street shielding structure comprises a first bottom plate (1), and is characterized in that: the measuring device is characterized in that the top end of the first bottom plate (1) is fixedly connected with a plurality of connecting plates (2), the top ends of the connecting plates (2) are fixedly connected with first protective rings (3), the inner side walls of the first protective rings (3) are fixedly connected with a measuring pipeline (4) together, the middle part of the measuring pipeline (4) is provided with a vortex flowmeter main body (5), two ends of the measuring pipeline (4) are provided with mounting flanges (6), one ends of the two mounting flanges (6) far away from the measuring pipeline (4) are provided with hoses (7), one ends of the two hoses (7) far away from the measuring pipeline (4) are fixedly connected with an external pipeline (8), the outer side wall of the external pipeline (8) is fixedly connected with second protective rings (10), the bottom of the second protective rings (10) is fixedly connected with first springs (11), and the bottom of the first springs (11) is fixedly connected with second bottom plates (, one side fixedly connected with second spring (12) that second bottom plate (13) top is close to hose (7), second spring (12) top fixedly connected with fly leaf (9), fly leaf (9) top and the smooth laminating in hose (7) bottom.

2. The vortex street shielding structure according to claim 1, wherein: one side of the hose (7) close to the mounting flange (6) is provided with the mounting flange (6), and the mounting flange (6) is connected through bolts.

3. The vortex street shielding structure according to claim 1, wherein: the number of the second bottom plates (13) is two, and the second bottom plates are uniformly distributed on two sides of the first bottom plate (1).

4. The vortex street shielding structure according to claim 1, wherein: the first bottom plate (1) and the connecting plate (2) are made of alloy materials, and the first bottom plate (1) and the connecting plate (2) are integrally cast and formed.

5. The vortex street shielding structure according to claim 1, wherein: the second bottom plate (13) and the movable plate (9) are made of rubber materials, and the sections of the second bottom plate (13) and the movable plate (9) are rectangular.

6. The vortex street shielding structure according to claim 1, wherein: the number of the second springs (12) is multiple, and the second springs are uniformly distributed between the second bottom plate (13) and the movable plate (9).

7. The vortex street shielding structure according to claim 1, wherein: the number of the first guard rings (3) and the number of the connecting plates (2) are four, the first guard rings are evenly distributed on two sides of the measuring pipeline (4) close to the vortex shedding flowmeter main body (5), and the first guard rings (3) are made of alloy materials.