CN211013096U

CN211013096U - Plug-in vortex street flowmeter

Info

Publication number: CN211013096U
Application number: CN201922134717.6U
Authority: CN
Inventors: 邹建明
Original assignee: Weihai Weiliu Measurement And Control Instrument Co ltd
Current assignee: Weihai Weiliu Measurement And Control Instrument Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-14
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a bayonet vortex flowmeter, it includes the vortex flowmeter, and the vortex flowmeter is equipped with pipeline, the pipeline outside intercommunication first pipeline, and first pipeline lateral wall opens and has first through-hole, is equipped with the detector in the first pipeline, and the detector lateral wall is connected with the spliced pole, the connecting hole threaded connection who sets up on spliced pole and the disc cam, and the spliced pole passes first through-hole, and the disc cam is connected with the output shaft transmission of motor. In the utility model, the disc cam is driven to rotate by the motor, so as to drive the connecting column to rotate in the first through hole, and further drive the detector to move in the first pipeline; during the use, make detect the head and remove to the pipeline in, otherwise remove to first pipeline in, be equipped with the sealing washer in the first pipeline, avoid fluid to get into first pipeline, the protection detector can control vortex flowmeter's use simultaneously whether, increases its life.

Description

Plug-in vortex street flowmeter

Technical Field

The utility model relates to a vortex flowmeter technical field especially relates to a bayonet vortex flowmeter.

Background

The vortex street flowmeter is researched and produced according to the Karman vortex street principle, and is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media of gas, liquid, steam and the like. Its advantages are low pressure loss, wide range of measuring range, high precision and no influence from fluid density, pressure, temp and viscosity. No movable mechanical parts are needed, so the reliability is high and the maintenance amount is small. The instrument parameters can be stable for a long time. The vortex flowmeter adopts a piezoelectric stress sensor, has high reliability and can work within the working temperature range of-20 ℃ to +250 ℃. The analog standard signal and the digital pulse signal are output, so that the digital pulse signal measuring instrument is easily matched with a computer and other digital systems, and is an advanced and ideal measuring instrument.

Through observing current vortex flowmeter, can see out that it still has some problems, at first, current vortex flowmeter's detection head is located pipeline for a long time, even if when need not detect, also always with the fluid contact, the time overlength damages the detection head easily, secondly, after vortex flowmeter and fluid piping connection, in case damage need overhaul the time, need dismantle whole vortex flowmeter, it is more troublesome, can influence whole work simultaneously.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problems, the plug-in vortex shedding flowmeter is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bayonet vortex flowmeter, it includes vortex flowmeter, vortex flowmeter is equipped with pipeline, pipeline outside intercommunication first pipeline, first pipeline lateral wall opens and to have first through-hole, be equipped with the detector in the first pipeline, through electric connection between detector and the first electric wire, the detector lateral wall is connected with the spliced pole, the connecting hole threaded connection who sets up on spliced pole and the disk cam, the spliced pole passes first through-hole, the disk cam is connected with the output shaft transmission of motor, the motor is installed on the mounting panel of vortex flowmeter outside installation.

As a further description of the above technical solution:

a sealing ring is arranged in the first pipeline, and the detector penetrates through the sealing ring.

As a further description of the above technical solution:

the first pipeline is connected with the second pipeline through threads, a third through hole is formed in the second pipeline, the second through hole is formed in the outer side of the second pipeline, and the second through hole is communicated with the third through hole.

As a further description of the above technical solution:

and a metal pressing block is arranged in the second through hole and tightly presses the first electric wire and the second electric wire, one end of the metal pressing block is sleeved in the end cover, and the end cover is connected with the inner wall of the second through hole through threads.

As a further description of the above technical solution:

the roller is installed to the inboard of second through-hole, and the gyro wheel opposite side is laminated with the metal briquetting outside.

As a further description of the above technical solution:

the gauge outfit is connected with to the second pipeline upper end, the second electric wire and gauge outfit electric connection in the third through-hole, and the second pipeline outside is equipped with the inspection mouth.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, drive the disc cam through the motor and rotate, and then drive the spliced pole at first through-hole internal rotation, and then drive the detector and remove in first pipeline. During the use, make to detect the head and remove to the pipeline in, remove to first pipeline when not using in, be equipped with the sealing washer in the first pipeline, avoid the fluid to get into first pipeline, the protection detector can control vortex flowmeter's use simultaneously whether, increases its life.

2. The utility model discloses in, through threaded connection between first pipeline and the second pipeline, the vortex flowmeter is divided into two parts, and during the dismantlement, it is whole not need to dismantle, can not influence whole work progress, and electric connection is accomplished through metal briquetting in the third through hole to the second electric wire in first pipeline and the second pipeline simultaneously, and then makes to accomplish signal transmission line between detector and the gauge outfit, can detect its electrical property through detecting the mouth, convenient to overhaul.

Drawings

Fig. 1 is a schematic partial sectional view of an insertion vortex shedding flowmeter according to the present invention;

fig. 2 is a schematic partial front view of an insertion vortex shedding flowmeter according to the present invention;

fig. 3 is a schematic view of a part of the connection of an insertion vortex shedding flowmeter according to the present invention;

fig. 4 is a schematic front view of a disc cam of an insertion vortex shedding flowmeter according to the present invention.

Illustration of the drawings:

1. a vortex shedding flowmeter; 2. a delivery conduit; 3. a seal ring; 4. a first conduit; 5. a detector; 6. a first electric wire; 7. connecting columns; 8. a first through hole; 9. a disc cam; 10. a motor; 11. a second conduit; 12. an inspection opening; 13. a gauge head; 14. a second electric wire; 15. a roller; 16. metal briquetting; 17. a second through hole; 18. a third through hole; 19. and connecting the holes.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an inserted vortex flowmeter comprises a vortex flowmeter 1, the vortex flowmeter 1 is provided with a conveying pipeline 2, the outer side of the conveying pipeline 2 is communicated with a first pipeline 4, the side wall of the first pipeline 4 is provided with a first through hole 8, a detector 5 is arranged in the first pipeline 4, when the detector 5 is positioned in the conveying pipeline 2, the fluid detection device can detect fluid, the detector 5 is electrically connected with the first wire 6, the side wall of the detector 5 is connected with the connecting column 7, the connecting column 7 is in threaded connection with a connecting hole 19 formed in the disc cam 9, the connecting column 7 penetrates through the first through hole 8, the disc cam 9 is in transmission connection with an output shaft of the motor 10, the motor 10 drives the disc cam 9 to rotate through the output shaft, and then drive spliced pole 7 at first through-hole 8 internal rotation, and then drive detector 5 and remove in first pipeline 4, motor 10 is installed on the mounting panel of vortex flowmeter 1 outside installation.

Specifically, as shown in fig. 1, a seal ring 3 is installed in the first pipe 4, and the detector 5 penetrates through the seal ring 3, so that the seal ring 3 can prevent fluid from entering the first pipe 4.

Specifically, as shown in fig. 3, the first pipeline 4 is connected with the second pipeline 11 through threads, a third through hole 18 is formed in the second pipeline 11, a second through hole 17 is formed in the outer side of the second pipeline 11, the second through hole 17 is communicated with the third through hole 18, a metal pressing block 16 is arranged in the second through hole 17, the metal pressing block 16 moves in the second through hole 17, the metal pressing block 16 can move into the third through hole 18, the metal pressing block 16 presses the first electric wire 6 and the second electric wire 14, the first electric wire 6 and the second electric wire 14 are electrically connected, one end of the metal pressing block 16 is sleeved in the end cover, and the end cover is connected with the inner wall of the second through hole 17 through threads.

Specifically, as shown in fig. 3, the roller 15 is installed on the inner side of the second through hole 17, and the other side of the roller 15 is attached to the outer side of the metal pressing block 16, so that the metal pressing block 16 can move in the second through hole 17.

Specifically, as shown in fig. 2 and 3, a gauge head 13 is connected to the upper end of the second pipe 11, the second wire 14 in the third through hole 18 is electrically connected to the gauge head 13, an inspection port 12 is disposed on the outer side of the second pipe 11, and whether the electrical connection between the first wire 6 and the second wire 14 is disconnected or not can be detected through the inspection port 12.

The working principle is as follows: when the vortex flowmeter is used, the meter head 13 and the detector 5 are connected, the first pipeline 4 and the second pipeline 11 are connected in a screwing way through threads, the first electric wire 6 in the first pipeline 4 and the second electric wire 14 in the second pipeline 11 are contacted in the third through hole 18, the metal pressing block 16 in the second through hole 17 presses the first electric wire 6 and the second electric wire 14 through the screwing end cover, the electric connection between the first electric wire 6 and the second electric wire 14 is completed, so that the connection between the meter head 13 and the detector 5 is completed, the motor 10 is started, the motor 10 drives the disc-shaped cam 9 to rotate through the output shaft, so that the connecting column 7 is driven to rotate in the first through hole 8, so that the detector 5 moves up and down in the first pipeline 4, when the detector 5 is positioned in the conveying pipeline 2, the vortex flowmeter 1 starts to work, otherwise, the motor 10 is shut down when the detector does not work, so as to save electric energy, the sealing ring 3 is arranged, the detector 5 passes through the sealing ring 3 and prevents fluid from entering the first conduit 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An inserted vortex shedding flowmeter, which comprises a vortex shedding flowmeter (1) and is characterized in that, the vortex flowmeter (1) is provided with a conveying pipeline (2), the outer side of the conveying pipeline (2) is communicated with a first pipeline (4), a first through hole (8) is formed in the side wall of the first pipeline (4), a detector (5) is arranged in the first pipeline (4), the detector (5) is electrically connected with the first wire (6), the side wall of the detector (5) is connected with a connecting column (7), the connecting column (7) is in threaded connection with a connecting hole (19) formed in the disc-shaped cam (9), the connecting column (7) passes through the first through hole (8), the disc-shaped cam (9) is in transmission connection with an output shaft of the motor (10), the motor (10) is arranged on an installation plate arranged on the outer side of the vortex flowmeter (1).

2. An inserted vortex shedding flowmeter according to claim 1, wherein the first conduit (4) has a sealing ring (3) mounted therein, and the detector (5) passes through the sealing ring (3).

3. An inserted vortex shedding flowmeter according to claim 1, wherein the first pipeline (4) is connected with the second pipeline (11) through a screw thread, a third through hole (18) is formed in the second pipeline (11), a second through hole (17) is formed outside the second pipeline (11), and the second through hole (17) is communicated with the third through hole (18).

4. An inserted vortex shedding flowmeter according to claim 3, wherein a metal pressing block (16) is arranged in the second through hole (17), the metal pressing block (16) presses the first electric wire (6) and the second electric wire (14), one end of the metal pressing block (16) is sleeved in the end cover, and the end cover is in threaded connection with the inner wall of the second through hole (17).

5. An inserted vortex shedding flowmeter according to claim 4, wherein the inside of the second through hole (17) is provided with a roller (15), and the other side of the roller (15) is attached to the outside of the metal pressing block (16).

6. An inserted vortex shedding flowmeter according to claim 4, wherein the upper end of the second pipeline (11) is connected with a meter head (13), the second wire (14) in the third through hole (18) is electrically connected with the meter head (13), and the outer side of the second pipeline (11) is provided with an inspection port (12).