CN211121382U

CN211121382U - Novel vortex street flowmeter

Info

Publication number: CN211121382U
Application number: CN201922290931.0U
Authority: CN
Inventors: 刘仁宏
Original assignee: Shanghai Aiyiaidi Technology Co ltd Jiangsu Branch; Shanghai Zhangang Technology Group Jiangsu Co ltd
Current assignee: Shanghai Aiyiaidi Technology Co ltd Jiangsu Branch; Shanghai Zhangang Technology Group Jiangsu Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-07-28
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to the technical field of measuring equipment, and discloses a novel vortex shedding flowmeter, which comprises a pipeline connecting device and a vortex shedding flow device, wherein the pipeline connecting device comprises a connecting pipeline, the front opening outer surface of the connecting pipeline is fixedly connected with a first connecting plate, the front side and the rear side of the first connecting plate are provided with first connecting holes, the rear opening outer surface of the connecting pipeline is fixedly connected with a second connecting plate, the front side and the rear side of the second connecting plate are provided with second connecting holes, the inner walls of the first connecting hole and the second connecting holes are provided with threads, the left side and the right side of the middle section outer surface of the connecting pipeline are respectively fixedly connected with a first buffer plate and a second buffer plate, the center of the left side surface of the first buffer plate is fixedly connected with a first telescopic rod, the problem that an instrument inside a sensor is easily damaged by vibration is solved, the, particularly, when the vibration is mounted, a shock absorbing measure is required.

Description

Novel vortex street flowmeter

Technical Field

The invention relates to the technical field of measuring equipment, in particular to a novel vortex shedding flowmeter.

Background

The vortex shedding flowmeter is a volume flowmeter for measuring the volume flow of gas, steam or liquid, and the volume flow or mass flow under standard condition, which is researched and produced according to the Karman vortex shedding principle, is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media of gas, liquid, steam and the like, and is characterized by small pressure loss, wide range and high precision, almost no influence of parameters of fluid density, pressure, temperature, viscosity and the like when measuring the volume flow under working conditions, long-term stability of instrument parameters, high reliability, capability of working in the working temperature range of-20 ℃ to +250 ℃, analog standard signals and digital pulse signal output, easy matching use with digital systems of computers and the like, and is a relatively advanced and ideal measuring instrument.

However, the internal instruments of the sensor are easily damaged by vibration, so the sensor is generally prevented from being installed on a pipeline with strong vibration, particularly transverse vibration, and if the sensor is required to be installed, vibration absorption measures are required.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel vortex shedding flowmeter which has the advantages of being capable of buffering transverse vibration and multiple buffering and the like, and solves the problem that instruments inside a sensor are easy to be damaged by vibration, so that the sensor is generally prevented from being installed on a pipeline with strong vibration, particularly transverse vibration, and a damping measure is required to be taken if the sensor is required to be installed.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel vortex flowmeter, includes pipeline connecting device and vortex flow device, pipeline connecting device includes the connecting tube, the front end opening surface fixed connection of connecting tube has first connecting plate, first connecting hole has been seted up to the side around first connecting plate, the rear end opening surface fixed connection of connecting tube has the second connecting plate, the second connecting hole has been seted up to the side around the second connecting plate, the inner wall of first connecting hole and second connecting hole is provided with the screw thread, the first buffer board of middle section surface left and right sides difference fixedly connected with and the second buffer board of connecting tube, the first telescopic link of fixedly connected with is located at the left surface center of first buffer board, the fixedly connected with second telescopic link is located at the right surface center of second buffer board.

Preferably, the vortex street flow device includes the go-between, the left surface of first telescopic link and the right flank fixed connection of second telescopic link are on the inner wall surface of go-between, the last fixed surface of go-between is connected with the base, the last fixed surface of base is connected with the slide bar, the upper end sliding connection of slide bar has the loop bar, the last fixed surface of loop bar is connected with the flowmeter, the left surface fixedly connected with fixed block of flowmeter, the left surface of fixed block is provided with display panel.

Preferably, a through hole is formed in the front side surface of the flowmeter and is fixedly connected with a connecting hose, a through hole is formed in the upper surface of the connecting pipeline, and the lower end of the connecting hose is fixedly connected with the through hole in the upper surface of the connecting pipeline.

Preferably, install the spring in first telescopic link, second telescopic link, slide bar and the loop bar, first buffer board and second buffer board are provided with one deck cushion at the interface with connecting tube, the interface of go-between and base is provided with one deck cushion.

(III) advantageous effects

Compared with the prior art, the invention provides a novel vortex shedding flowmeter, which has the following beneficial effects:

1. this novel vortex flowmeter, through first connecting plate, first connecting hole, second connecting plate and second connecting hole are with whole device and pipeline threaded connection, take place vibrations at the pipeline, especially when horizontal vibrations, install the spring in first telescopic link and the second telescopic link, can cushion the horizontal vibrations of pipeline, the spring has also been installed in slide bar and loop bar, can cushion vertical vibrations, it damages to have solved the inside instrument of sensor and received vibrations easily, so the sensor generally will avoid installing on the pipeline that vibrations are stronger, especially horizontal vibrations, if must install the time, then must take shock-absorbing measures's problem.

2. This novel vortex flowmeter, through the contact surface at first buffer board and second buffer board and connecting tube, the go-between is provided with one deck cushion with the contact surface of base, can additionally provide shock-absorbing measure on spring damping's basis, and multiple shock attenuation cooperation, the effect is better.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the pipe connection device and the vortex shedding flow device of the present invention, shown disassembled.

In the figure: 1 pipeline connecting device, 101 connecting pipelines, 102 first connecting plate, 103 first connecting hole, 104 second connecting plate, 105 second connecting hole, 106 first buffer plate, 107 first telescopic rod, 108 second buffer plate, 109 second telescopic rod, 2 vortex street flow device, 201 connecting ring, 202 base, 203 sliding rod, 204 loop bar, 205 flow meter, 206 fixed block, 207 display panel and 3 connecting hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: a novel vortex shedding flowmeter comprises a pipeline connecting device 1 and a vortex shedding flow device 2, wherein the pipeline connecting device 1 comprises a connecting pipeline 101, a first connecting plate 102 is fixedly connected to the outer surface of a front opening of the connecting pipeline 101, a first connecting hole 103 is formed in the front side and the rear side of the first connecting plate 102, a second connecting plate 104 is fixedly connected to the outer surface of a rear opening of the connecting pipeline 101, a second connecting hole 105 is formed in the front side and the rear side of the second connecting plate 104, threads are arranged on the inner walls of the first connecting hole 103 and the second connecting hole 105, a first buffer plate 106 and a second buffer plate 108 are respectively and fixedly connected to the left side and the right side of the outer surface of the middle section of the connecting pipeline 101, a first telescopic rod 107 is fixedly connected to the center of the left side of the first buffer plate 106, a second telescopic rod 109 is fixedly connected to the center of the right side of, the left side surface of the first telescopic rod 107 and the right side surface of the second telescopic rod 109 are fixedly connected to the inner wall surface of the connecting ring 201, the upper surface of the connecting ring 201 is fixedly connected with a base 202, the upper surface of the base 202 is fixedly connected with a slide rod 203, the upper end of the slide rod 203 is slidably connected with a loop bar 204, the upper surface of the loop bar 204 is fixedly connected with a flow meter 205, the left side surface of the flow meter 205 is fixedly connected with a fixed block 206, the left side surface of the fixed block 206 is provided with a display panel 207, the front side surface of the flow meter 205 is provided with a through hole and is fixedly connected with a connecting hose 3, the upper surface of the connecting hose 101 is provided with a through hole, the lower end of the connecting hose 3 is fixedly connected with the through hole on the upper surface of the connecting hose 101, springs are arranged in the first telescopic rod 107, the second telescopic rod 109, the slide, the contact surface of the connecting ring 201 and the base 202 is provided with a layer of buffer cushion, which solves the problem that the internal instrument of the sensor is easy to be damaged by vibration, so the sensor is generally prevented from being installed on a pipeline with strong vibration, especially transverse vibration, and if the sensor is not installed, a shock absorption measure must be taken.

When in use, the whole device is in threaded connection with a pipeline through the first connecting plate 102, the first connecting hole 103, the second connecting plate 104 and the second connecting hole 105, when the pipeline vibrates, particularly transversely vibrates, springs are installed in the first telescopic rod 107 and the second telescopic rod 109 and can buffer the transverse vibration of the pipeline, springs are also installed in the sliding rod 203 and the loop bar 204 and can buffer the vertical vibration, and the problem that instruments inside the sensor are easily damaged by vibration is solved, so that the sensor is generally prevented from being installed on the pipeline with stronger vibration, particularly transversely vibrates, if the sensors are not installed, a shock absorption measure must be taken, a layer of buffer cushion is arranged on the contact surfaces of the first buffer plate 106 and the second buffer plate 108 and the connecting pipeline 101, and a layer of buffer cushion is arranged on the contact surfaces of the connecting ring 201 and the base 202, so that the shock absorption measure can be additionally provided on the basis of the shock absorption of the springs, multiple shock absorption cooperation, the effect is better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel vortex street flowmeter, includes pipe connection device (1) and vortex street flow device (2), its characterized in that: the pipeline connecting device (1) comprises a connecting pipeline (101), the outer surface of the front end opening of the connecting pipeline (101) is fixedly connected with a first connecting plate (102), the front side and the back side of the first connecting plate (102) are provided with first connecting holes (103), the outer surface of the rear end opening of the connecting pipeline (101) is fixedly connected with a second connecting plate (104), the front side and the rear side of the second connecting plate (104) are provided with second connecting holes (105), the inner walls of the first connecting hole (103) and the second connecting hole (105) are provided with threads, the left side and the right side of the outer surface of the middle section of the connecting pipeline (101) are respectively and fixedly connected with a first buffer plate (106) and a second buffer plate (108), a first telescopic rod (107) is fixedly connected at the center of the left side surface of the first buffer plate (106), the center of the right side face of the second buffer plate (108) is fixedly connected with a second telescopic rod (109).

2. The vortex shedding flowmeter of claim 1, wherein: vortex street flow device (2) are including go-between (201), the left surface of first telescopic link (107) and the right flank fixed connection of second telescopic link (109) are on the inner wall surface of go-between (201), the last fixed surface of go-between (201) is connected with base (202), the last fixed surface of base (202) is connected with slide bar (203), the upper end sliding connection of slide bar (203) has loop bar (204), the last fixed surface of loop bar (204) is connected with flowmeter (205), the left surface fixed connection of flowmeter (205) has fixed block (206), the left surface of fixed block (206) is provided with display panel (207).

3. The vortex shedding flowmeter of claim 2, wherein: the flowmeter is characterized in that a through hole is formed in the front side face of the flowmeter (205) and is fixedly connected with a connecting hose (3), the through hole is formed in the upper surface of the connecting pipeline (101), and the lower end of the connecting hose (3) is fixedly connected with the through hole in the upper surface of the connecting pipeline (101).

4. The vortex shedding flowmeter of claim 1, wherein: and springs are arranged in the first telescopic rod (107), the second telescopic rod (109), the sliding rod (203) and the loop bar (204).

5. The vortex shedding flowmeter of claim 1, wherein: the first buffer plate (106) and the second buffer plate (108) are provided with a layer of buffer soft cushion on the contact surface with the connecting pipeline (101).

6. The vortex shedding flowmeter of claim 2, wherein: the contact surface of the connecting ring (201) and the base (202) is provided with a layer of cushion.