CN211452451U

CN211452451U - Flow meter

Info

Publication number: CN211452451U
Application number: CN202020473155.8U
Authority: CN
Inventors: 马斌; 王勇; 杨晓明; 唐松; 冉杨莉
Original assignee: Jiangyuan Chongqing Technology Group Co ltd
Current assignee: Jiangyuan Chongqing Technology Group Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-09-08
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to a flowmeter technical field just discloses a flowmeter, including the measurement subassembly, the measurement subassembly is including getting pressure square flange, main pressure pipe, malleation probe and negative pressure probe, the measurement subassembly is equipped with two sets ofly. This application sets up two sets of measurement subassemblies, and all is provided with malleation probe and negative pressure probe on each group measurement subassembly, can realize the multiple spot and detect in the pipeline, can the interior fluid average speed of multiple spot reaction pipeline, improves the detection accuracy. Meanwhile, the pressure measuring square flange, the main pressure guiding pipe, the positive pressure probe, the negative pressure probe and the like are adopted to form the pressure measuring square flange, and the structure is simple.

Description

Flow meter

Technical Field

The utility model relates to a flowmeter technical field specifically is a flowmeter.

Background

Metering is on the eye of industrial production. The flow measurement is one of the components of the measurement science and technology, and has close relation with national economy, national defense construction and scientific research. The work is well done, the flowmeter has important effects on ensuring the product quality, improving the production efficiency and promoting the development of scientific technology, and particularly has more obvious status and effect in national economy in the current times that the energy crisis and the industrial production automation degree are higher and higher. However, when the existing flowmeter is used for measurement, because the pipeline is large, the installation requirement of the installed straight pipe section cannot be met, and only a single probe is arranged, the fluid cannot be fully developed, the flow field is disordered, and the accurate measurement cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a flowmeter solves the inaccurate problem of prior art measurement.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a flowmeter comprises a metering assembly, a pressure measuring assembly and a pressure measuring assembly, wherein the metering assembly comprises a pressure measuring square flange, a main pressure guide pipe, a positive pressure probe and a negative pressure probe; the pressure measuring flange is provided with pressure measuring holes in parallel, the main pressure guiding pipe and the negative pressure probe are arranged at the lower side of the pressure measuring flange corresponding to the pressure measuring holes, the upper side of the pressure measuring flange corresponding to the pressure measuring holes is provided with a pressure measuring short pipe, and the pressure measuring short pipe is provided with a pressure measuring valve; the device also comprises an inclined pressure guiding pipe and a straight pressure guiding pipe, wherein one end of the inclined pressure guiding pipe and one end of the straight pressure guiding pipe are fixedly connected with the main pressure guiding pipe; the lower end of the main pressure guiding pipe is also provided with a sealing assembly; the metering components are two groups, the pressure tapping short pipe of each metering component is provided with a connecting square head, and the connecting square heads are fixedly connected through an external connecting component. This application sets up two sets of measurement subassemblies, and all is provided with malleation probe and negative pressure probe on each group measurement subassembly, can realize the multiple spot and detect in the pipeline, can the interior fluid average speed of multiple spot reaction pipeline, improves the detection accuracy. Meanwhile, the pressure measuring square flange, the main pressure guiding pipe, the positive pressure probe, the negative pressure probe and the like are adopted to form the pressure measuring square flange, and the structure is simple.

Furthermore, the main pressure leading pipe and the negative pressure probe are fixed by a reinforced connecting block. The stability of the negative pressure probe and the main pressure guiding pipe is realized by utilizing the reinforced connecting block, and the influence of fluid on the negative pressure probe and the main pressure guiding pipe is reduced in the pipeline.

The pressure measuring device further comprises an installation square flange detachably connected with the pressure measuring square flange, a square gasket is arranged between the installation square flange and the pressure measuring square flange, and an installation seat straight pipe used for supporting and fixing is further arranged below the installation square flange. When the metering assembly is used, the metering assembly is manufactured and arranged on a pipeline by utilizing the straight pipe of the mounting seat and the mounting square flange, and the mounting stability is improved.

Further, the sealing assembly comprises a plug, a sealing nut, a gasket and a sealing seat; the sealing seat is sleeved at the lower end of the main pressure guiding pipe, one end of the plug, corresponding to the pipe orifice of the main pressure guiding pipe, is arranged on the sealing seat, the sealing nut is arranged at the lower end of the sealing seat, and the gasket is arranged between the port of the sealing seat and the sealing nut. During the use, establish the seal receptacle cover at the lower extreme that main pressure pipe runs through the pipeline, set up the end cap at main pressure pipe mouth of pipe that draws simultaneously, it is fixed to recycle gland nut, and sets up that the gasket can mode seal receptacle and gland nut wearing and tearing, improves life.

Further, the mounting square flange and the pressure-taking square flange are fixed by adopting a stud bolt. The fixing device is fixed by adopting the stud bolts, and has simple structure and convenient disassembly and assembly.

Furthermore, the plug is provided with an external thread, and the sealing seat is provided with an internal thread. Adopts threaded connection, has compact connection structure, reliable connection and convenient disassembly and assembly.

Furthermore, the diameter of the cross section of the main pressure guiding pipe is 24mm-27mm, the diameter of the cross section of the inclined pressure guiding pipe is 22mm-26mm, and the diameter of the cross section of the straight pressure guiding pipe is 22mm-26 mm. The main pressure pipe that sets up, to one side pressure pipe and straight components such as pressure pipe are for pipeline cross section little, and is less to the loss of hindering of pipeline fluid, and loss of pressure is little, and detection accuracy is high.

Furthermore, an ash removal rod is also arranged in the positive pressure probe. The ash removing rod is arranged at the through hole in the middle of the positive pressure probe.

Furthermore, two groups of oblique pressure pipes, straight pressure pipes and positive pressure probes are arranged on the main pressure pipe. Further enhancing the effect of multi-point detection.

Further, outer coupling assembling includes the outer joint pipe, the outer joint pipe both ends are provided with the loop, and pass through the loop with connect square head fixed connection.

Has the advantages that: this application sets up two sets of measurement subassemblies, and all is provided with malleation probe and negative pressure probe on each group measurement subassembly, can realize the multiple spot and detect in the pipeline, can the interior fluid average speed of multiple spot reaction pipeline, improves the detection accuracy. Meanwhile, the pressure measuring square flange, the main pressure guiding pipe, the positive pressure probe, the negative pressure probe and the like are adopted to form the pressure measuring square flange, and the structure is simple.

Drawings

FIG. 1 is a front view of a metrology assembly of the present embodiment;

FIG. 2 is a side view of the metering assembly of the present embodiment;

FIG. 3 is a schematic top view of the pressure measuring method of the present embodiment;

FIG. 4 is a schematic view of the positive pressure probe of the present embodiment;

FIG. 5 is a schematic top view of the reinforced connecting block of the present embodiment;

FIG. 6 is a schematic view of an external connection assembly of the present embodiment;

FIG. 7 is a sectional view of the connecting square of the present embodiment;

FIG. 8 is a schematic view of a plug according to the present embodiment;

FIG. 9 is a schematic view of the seal seat of the present embodiment;

FIG. 10 is a schematic view of a gland nut of the present embodiment;

FIG. 11 is a schematic view of the ash removal rod of this embodiment.

Reference numerals: the device comprises a sealing nut 1, a gasket 2, a plug 3, a sealing seat 4, a positive pressure probe 5, a main pressure guide pipe 6, a reinforcing connecting block 7, a straight pressure guide pipe 8, an inclined pressure guide pipe 9, an ash removal rod 10, a mounting seat straight pipe 11, a mounting square flange 12, a stud 13, a square gasket 14, a pressure taking square flange 15, an external connecting component 16, a pressure taking valve 17, a connecting square head 18, a negative pressure probe 19, a pressure taking hole 20, an external connecting pipe 21 and a loop 22.

Detailed Description

The technical solution of the flow meter according to the present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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.

As shown in fig. 1 to 11, a flow meter of the present embodiment includes a metering assembly including a pressure measuring flange 15, a main pressuring pipe 6, a positive pressure probe 5, and a negative pressure probe 19; a pressure measuring hole 20 is arranged in parallel on the pressure measuring square flange 15, the main pressure guiding pipe 6 and the negative pressure probe 19 are arranged at the lower side of the pressure measuring square flange 15 corresponding to the position of the pressure measuring hole 20, a pressure measuring short pipe is arranged at the upper side of the pressure measuring square flange 15 corresponding to the position of the pressure measuring hole 20, and a pressure measuring valve 17 is arranged on the pressure measuring short pipe; the device also comprises an inclined pressure guiding pipe 9 and a straight pressure guiding pipe 8, wherein one end of the inclined pressure guiding pipe 9 is fixedly connected with the main pressure guiding pipe 6, and the other end of the inclined pressure guiding pipe 9 and the other end of the straight pressure guiding pipe 8 are provided with positive pressure probes 5; the lower end of the main pressure guiding pipe 6 is also provided with a sealing assembly; the metering components are provided with two groups, the pressure tapping short pipes of the metering components are provided with connecting square heads 18, and the connecting square heads 18 are fixedly connected through an outer connecting component 16. The main pressure guiding pipe 6 and the negative pressure probe 19 are fixed by a reinforced connecting block 7. The mounting square flange structure further comprises a mounting square flange 12 detachably connected with the pressure-taking square flange 15, a square gasket 14 is arranged between the mounting square flange 12 and the pressure-taking square flange 15, and a mounting seat straight pipe 11 for supporting and fixing is further arranged below the mounting square flange 12. The sealing assembly comprises a plug 3, a sealing nut 1, a gasket 2 and a sealing seat 4; the sealing seat 4 is sleeved at the lower end of the main pressure guiding pipe 6, one end, corresponding to the pipe orifice of the main pressure guiding pipe 6, of the plug 3 is arranged on the sealing seat 4, the sealing nut 1 is arranged at the lower end of the sealing seat 4, and the gasket 2 is arranged between the port of the sealing seat 4 and the sealing nut 1. The mounting flange 12 and the pressure-taking flange 15 are fixed by the stud bolts 13. The plug 3 is provided with external threads, and the sealing seat 4 is provided with internal threads. The square spacer 14 is made of a flexible graphite material. The positive pressure probe 5 is also internally provided with an ash removal rod 10. The main pressure guiding pipe 6 is provided with two groups of inclined pressure guiding pipes 9, a straight pressure guiding pipe 8 and a positive pressure probe 5. The external connection assembly 16 comprises an external connection pipe 21, two ends of the external connection pipe 21 are provided with loops 22, and the external connection pipe is fixedly connected with the connection square head 18 through the loops 22. This application sets up two sets of measurement subassemblies, and all is provided with malleation probe 5 and negative pressure probe 19 on each group measurement subassembly, can realize the multiple spot and detect in the pipeline, can the interior fluid average speed of multiple spot reaction pipeline, improves the detection accuracy. Meanwhile, the pressure measuring square flange, the main pressure guiding pipe 6, the positive pressure probe 5, the negative pressure probe 19 and the like are adopted, and the structure is simple.

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. A flow meter comprising a metering assembly, characterized by: the metering assembly comprises a pressure measuring square flange, a main pressure guiding pipe, a positive pressure probe and a negative pressure probe; the pressure measuring flange is provided with pressure measuring holes in parallel, the main pressure guiding pipe and the negative pressure probe are arranged at the lower side of the pressure measuring flange corresponding to the pressure measuring holes, the upper side of the pressure measuring flange corresponding to the pressure measuring holes is provided with a pressure measuring short pipe, and the pressure measuring short pipe is provided with a pressure measuring valve; the device also comprises an inclined pressure guiding pipe and a straight pressure guiding pipe, wherein one end of the inclined pressure guiding pipe and one end of the straight pressure guiding pipe are fixedly connected with the main pressure guiding pipe; the lower end of the main pressure guiding pipe is also provided with a sealing assembly; the metering components are two groups, the pressure tapping short pipe of each metering component is provided with a connecting square head, and the connecting square heads are fixedly connected through an external connecting component.

2. The flowmeter of claim 1, wherein: and the main pressure leading pipe and the negative pressure probe are fixed by adopting a reinforced connecting block.

3. The flowmeter of claim 1, wherein: the pressure measuring device also comprises an installation square flange detachably connected with the pressure measuring square flange, a square gasket is arranged between the installation square flange and the pressure measuring square flange, and an installation seat straight pipe used for supporting and fixing is further arranged below the installation square flange.

4. The flowmeter of claim 1, wherein: the sealing assembly comprises a plug, a sealing nut, a gasket and a sealing seat; the sealing seat is sleeved at the lower end of the main pressure guiding pipe, one end of the plug, corresponding to the pipe orifice of the main pressure guiding pipe, is arranged on the sealing seat, the sealing nut is arranged at the lower end of the sealing seat, and the gasket is arranged between the port of the sealing seat and the sealing nut.

5. A flowmeter according to claim 3 wherein: the mounting square flange and the pressure-taking square flange are fixed by adopting a stud bolt.

6. The flowmeter of claim 4, wherein: the plug is provided with external threads, and the sealing seat is provided with internal threads.

7. A flowmeter according to claim 3 wherein: the diameter of the cross section of the main pressure guiding pipe is 24mm-27mm, the diameter of the cross section of the inclined pressure guiding pipe is 22mm-26mm, and the diameter of the cross section of the straight pressure guiding pipe is 22mm-26 mm.

8. The flowmeter of claim 1, wherein: and an ash removal rod is also arranged in the positive pressure probe.

9. The flowmeter of claim 1, wherein: and the main pressure guiding pipe is provided with two groups of inclined pressure guiding pipes, a straight pressure guiding pipe and a positive pressure probe.

10. The flowmeter of claim 1, wherein: the outer connecting assembly comprises an outer connecting pipe, two ends of the outer connecting pipe are provided with loops, and the outer connecting pipe passes through the loops and is fixedly connected with the connecting square head.