CN212903370U

CN212903370U - Shockproof durable vortex shedding flowmeter

Info

Publication number: CN212903370U
Application number: CN202021393492.2U
Authority: CN
Inventors: 陈龙
Original assignee: Jiangsu Yalong Measurement And Control Group Co ltd
Current assignee: Jiangsu Yalong Measurement And Control Group Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-06
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a durable vortex flowmeter takes precautions against earthquakes, including vortex flowmeter main part, be connected with a pair of flange in the vortex flowmeter main part, one side that vortex flowmeter main part was kept away from to a pair of flange all is equipped with by the measuring pipeline, be connected with damper between measuring pipeline and the flange, damper includes the shock attenuation pipe, shock attenuation pipe and by sliding connection between the measuring pipeline, with flange fixed connection, it has the cavity to chisel in the lateral wall of shock attenuation pipe, the cavity interpolation is equipped with the intake pipe, the intake pipe is located one of being measured the pipeline and serves and be connected with the gasbag, the other end of intake pipe is connected with the air cock, the outside by the measuring pipeline is located to the air cock. The utility model discloses a last damper of vortex flowmeter sets up, has improved vortex flowmeter's anti-seismic performance, has reduced the probability that its internal element damaged because of vibrations, guarantees the normal use of vortex flowmeter under the condition of pipeline vibrations to can improve vortex flowmeter's life.

Description

Shockproof durable vortex shedding flowmeter

Technical Field

The utility model belongs to the technical field of the flowmeter, concretely relates to shockproof durable vortex shedding flowmeter.

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, the standard condition volume flow or the standard condition mass flow of gas, steam or liquid, and is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media, such as gas, liquid, steam and the like.

In the use of vortex flowmeter, the condition of vibrations may exist in the pipeline, nevertheless because current vortex flowmeter shockproof performance is poor, it lacks corresponding shockproof structure again for after receiving vibrations, its inside electric element takes place to damage because of vibrations easily for lead to vortex flowmeter to measure malfunctioning, influence the user and use.

Therefore, in view of the above technical problems, it is necessary to provide a vortex shedding flowmeter which is durable and shockproof.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a durable vortex shedding flowmeter takes precautions against earthquakes to solve foretell vortex shedding flowmeter and easily receive vibrations to influence and take place to measure the malfunctioning problem.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a durable vortex flowmeter takes precautions against earthquakes, includes vortex flowmeter main part, be connected with a pair of flange in the vortex flowmeter main part, it is a pair of one side that vortex flowmeter main part was kept away from to the flange all is equipped with by the measuring pipeline, be connected with damper between measuring pipeline and the flange, damper includes the shock attenuation pipe, shock attenuation pipe and by sliding connection between the measuring pipeline, with flange fixed connection, it has the cavity to chisel in the lateral wall of shock attenuation pipe, the cavity interpolation is equipped with the intake pipe, the intake pipe is located to be served and is connected with the gasbag by one of measuring pipeline, the other end of intake pipe is connected with the air cock, the outside by the measuring pipeline is located to the air cock.

In one embodiment, the surface of the air bag is connected with a rubber pad, and the surface of the rubber pad is in close contact with the inner wall of the detected pipeline, so that friction to the air bag is reduced, and the air bag has better tightness.

In one embodiment, the flange is connected with a first fixing screw, the measured pipeline is connected with a second fixing screw matched with the first fixing screw, an expansion piece is connected between the first fixing screw and the second fixing screw, and a spring is sleeved on the outer side of the expansion piece, so that the transverse vibration force applied to the vortex shedding flowmeter is effectively reduced.

In one embodiment, the number of the telescopic pieces is 4, so that the stability is better, and the possibility of pipeline deviation is greatly reduced.

In one embodiment, a limiting ring is arranged in the measured pipeline and is arranged between the air bag and the air tap, so that the possibility that the shock absorption pipe falls off from the measured pipeline is effectively reduced.

In one embodiment, the air bag is made of polyvinyl fluoride material, has corrosion resistance, strong adhesion to metal and good wear resistance.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a last damper of vortex flowmeter sets up, has improved vortex flowmeter's anti-seismic performance, has reduced the probability that its internal element damaged because of vibrations, guarantees the normal use of vortex flowmeter under the condition of pipeline vibrations to can improve vortex flowmeter's life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective cross-sectional view of a vortex shedding flowmeter in an embodiment of the present invention;

FIG. 2 is a front view of a vortex shedding flowmeter in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a position a in fig. 2 according to an embodiment of the present invention.

In the figure: 1. the vortex flowmeter comprises a vortex flowmeter body, 101, flanges, 102, first fixing screws, 103, telescopic parts, 104, springs, 2, a damping mechanism, 201, a damping pipe, 202, an air inlet pipe, 203, an air bag, 204, a rubber pad, 205, an air nozzle, 3, a measured pipeline, 301, a limiting ring and 302, and second fixing screws.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

The utility model discloses a durable vortex flowmeter takes precautions against earthquakes, it is shown with reference to fig. 1 ~ 3, including vortex flowmeter main part 1, be connected with a pair of flange 101 on the vortex flowmeter main part 1, one side that vortex flowmeter main part 1 was kept away from to a pair of flange 101 all is equipped with by survey pipeline 3, and is connected with damper 2 between survey pipeline 3 and the flange 101.

Referring to fig. 2 to 3, the damping mechanism 2 includes a damping tube 201, the damping tube 201 is slidably connected to the measured pipe 3, and is fixedly connected to the flange 101, a cavity is drilled in a side wall of the damping tube 201, an air inlet tube 202 is inserted into the cavity, one end of the air inlet tube 202 located in the measured pipe 3 is connected to an air bag 203, the air bag 203 is made of polyvinyl fluoride material, and has corrosion resistance, strong adhesion to metal and good wear resistance, the other end of the air inlet tube 202 is connected to an air nozzle 205, and the air nozzle 205 is located outside the measured pipe 3.

Wherein, when vortex flowmeter main part 1 did not use, can take off gasbag 203, make it can withdraw shock attenuation pipe 201 in, reduce its fatigue nature, increase life, extensible member 103 mounting structure is simple, and the reliability is high, is ring shape evenly distributed on flange 101, makes the atress more even, improves anti-seismic performance, and stability is better.

Referring to fig. 1-3, a limiting ring 301 is arranged in the measured pipeline, the limiting ring 301 is arranged between the air bag 203 and the air tap 205, the possibility that the measured pipeline 3 falls off is reduced, leakage of a measured medium is effectively prevented, a first fixing screw 102 is connected to the flange 101, a second fixing screw 302 matched with the first fixing screw 102 is connected to the measured pipeline 3, an extensible member 103 is connected between the first fixing screw 102 and the second fixing screw 302, and a spring 104 is sleeved on the outer side of the extensible member 103.

Specifically, the number of the telescopic pieces 103 is 4, so that the stability is high, and the transverse vibration force borne by the vortex shedding flowmeter body 1 is effectively reduced.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a durable vortex flowmeter takes precautions against earthquakes, includes vortex flowmeter main part (1), its characterized in that, be connected with a pair of flange (101) on vortex flowmeter main part (1), it is a pair of one side that vortex flowmeter main part (1) was kept away from to flange (101) all is equipped with surveyed pipeline (3), be connected with damper (2) between surveyed pipeline (3) and flange (101), damper (2) include shock attenuation pipe (201), sliding connection between shock attenuation pipe (201) and the pipeline (3) of being surveyed, with flange (101) fixed connection, it has the cavity to bore in the lateral wall of shock attenuation pipe (201), the cavity interpolation is equipped with intake pipe (202), intake pipe (202) are located one end of being surveyed pipeline (3) and are connected with gasbag (203), the other end of intake pipe (202) is connected with air cock (205), and the air nozzle (205) is arranged outside the measured pipeline (3).

2. The vortex shedding flowmeter as claimed in claim 1, wherein a rubber pad (204) is attached to the surface of the air bag (203), and the surface of the rubber pad (204) is in close contact with the inner wall of the pipeline (3) to be measured.

3. The shockproof durable vortex shedding flowmeter according to claim 1, wherein a first fixing screw (102) is connected to the flange (101), a second fixing screw (302) matched with the first fixing screw (102) is connected to the measured pipeline (3), an expansion member (103) is connected between the first fixing screw (102) and the second fixing screw (302), and a spring (104) is sleeved outside the expansion member (103).

4. A robust vortex shedding flowmeter according to claim 3, wherein the number of said telescoping members (103) is 4.

5. The shockproof and durable vortex shedding flowmeter according to claim 1, wherein a limiting ring (301) is arranged in the tested pipeline (3), and the limiting ring (301) is arranged between the air bag (203) and the air tap (205).

6. The robust vortex shedding flowmeter of claim 1, wherein the bladder (203) is made of polyvinyl fluoride.