CN210664610U

CN210664610U - Annuba differential pressure flowmeter

Info

Publication number: CN210664610U
Application number: CN201921620937.3U
Authority: CN
Inventors: 王胜林; 赵须海
Original assignee: Cangzhou Tianyi Instrumentation Co ltd
Current assignee: Cangzhou Tianyi Instrumentation Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-02
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to the technical field of flowmeters, in particular to an Aluba differential pressure flowmeter which is arranged on a pipeline and comprises a flowmeter body, two groups of fastening screw rods, two groups of upper hoop sheets, two groups of lower hoop sheets, two groups of fixing bolts, two groups of fixing nuts and two groups of limiting plates, wherein a connecting plate is arranged between the rear ends of the two groups of upper hoop sheets, the front ends of the two groups of upper hoop sheets are outwards bent and form upper mounting lugs, upper through holes are arranged on the two groups of upper mounting lugs, the front ends of the two groups of lower hoop sheets are outwards bent and form lower mounting lugs, lower through holes are arranged on the two groups of lower mounting lugs, a supporting plate is transversely arranged in the middle of the outer side of the flowmeter body, and through holes which are vertically communicated are arranged at the left end and the right end of the supporting plate, an Aluba pipe is arranged at the bottom end of the flowmeter body, and a first fastening, the flowmeter is conveniently positioned, the firmness of later-stage flowmeter installation is guaranteed, and the practicability is improved.

Description

Annuba differential pressure flowmeter

Technical Field

The utility model relates to a technical field of flowmeter especially relates to an amoebic differential pressure flowmeter.

Background

As is well known, an Arinba flowmeter (also known as a flute-shaped uniform velocity tube flowmeter) is a novel differential pressure flow detection type element developed according to the pitot tube speed measurement principle, outputs a differential pressure signal, is matched with an instrument for measuring differential pressure for use, can accurately measure the flow of various liquids, gases and vapors (superheated vapor and saturated vapor) in a circular pipeline and a rectangular pipeline, gradually replaces a pore plate and other detection elements with the advantages of high precision, small pressure loss, convenience in installation and the like, and is widely applied to industries such as power industry (including nuclear industry), chemical industry, petroleum and metal smelting.

Current amoebic differential pressure flowmeter need at first carry out the trompil on the pipeline at the in-process of installation, then insert the gauge rod of flowmeter in the trompil, fix a position the back and carry out welded fastening again, and it is inconvenient to fix a position the flowmeter to the fastness of later stage flowmeter is relatively poor, leads to the practicality lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a conveniently fix a position the flowmeter, guarantee the fastness of later stage flowmeter installation, improve the ox bab differential pressure flowmeter of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the Annuba differential pressure flowmeter is installed on a pipeline and comprises a flowmeter body, two groups of fastening screw rods, two groups of upper hoop sheets, two groups of lower hoop sheets, two groups of fixing bolts, two groups of fixing nuts and two groups of limiting plates, wherein the rear ends of the two groups of upper hoop sheets are rotatably connected with the rear ends of the two groups of lower hoop sheets respectively, a connecting plate is arranged between the rear ends of the two groups of upper hoop sheets, the front ends of the two groups of upper hoop sheets are bent outwards to form upper mounting lugs, upper through holes are formed in the two groups of upper mounting lugs, the front ends of the two groups of lower hoop sheets are bent outwards to form lower mounting lugs, lower through holes are formed in the two groups of lower mounting lugs, the two groups of upper hoop sheets and the two groups of lower hoop sheets are hooped outside the pipeline, each group of fixing bolts sequentially penetrate through one group of upper through holes and one group of lower through holes and are in threaded connection with one group of fixing nuts, the bottom ends of the two groups of fastening screw rods are welded and fixed, the middle part of two sets of limiting plates all is provided with the screw hole that link up from top to bottom, and the top of two sets of fastening screw passes the top of two sets of screw holes to two sets of limiting plates from the bottom spiral shell dress of two sets of limiting plates respectively, the outside middle part of flowmeter body transversely is provided with the backup pad to the perforation of lining up about all being provided with at the left end of backup pad and right-hand member, the bottom of flowmeter body is provided with the annubar pipe, and the backup pad is perpendicular with the annubar pipe, two sets of perforation are passed respectively to the top of backup pad from the bottom of backup pad in the top of two sets of fastening screw, and the top of two sets of limiting plates pastes tightly with the left side and the right side of backup pad bottom respectively, and first fastening nut has all been installed on the top of two sets of fastening.

Preferably, the welding of pipeline top is provided with connecting pipe stub, connecting pipe stub's top and the bottom of backup pad are connected, the bottom of amoeba pipe passes connecting pipe stub and stretches into in the pipeline.

Preferably, the inner rings of the two groups of upper hoop sheets and the two groups of lower hoop sheets are provided with rubber sheets, and the inner sides of the rubber sheets are tightly attached to the pipeline.

Preferably, the outer sides of the two groups of fastening screws are respectively provided with a second fastening nut, and the top ends of the second fastening nuts are respectively attached to the bottom ends of the two groups of limiting plates.

Preferably, the front end of the supporting plate is provided with a strip-shaped groove, a glass tube is arranged in the strip-shaped groove, liquid is filled in the glass tube, and the liquid occupies half of the volume of the glass tube.

Preferably, the perforations on the supporting plate are all strip-shaped holes in the horizontal direction.

(III) advantageous effects

Compared with the prior art, the utility model provides an amoebic differential pressure flowmeter possesses following beneficial effect: this annubar differential pressure flowmeter, during the installation, at first with two sets of upper hoop pieces and two sets of lower hoop piece hoops on the pipeline, guarantee through the connecting plate that two sets of upper hoop piece angles are unanimous, make two sets of fastening screw's top pass two sets of perforation respectively from the bottom of backup pad, adjust the height of two sets of limiting plates, make two sets of limiting plates support and fix a position the backup pad, conveniently fix a position the flowmeter, then weld flowmeter body and pipeline can, after the welding, compress tightly the top of backup pad through fastening nut, thereby fix the backup pad, guarantee the fastness of later stage flowmeter installation, and the high practicality is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic side view of the connection of the upper band piece, the lower band piece and the fastening screw rod of the present invention;

fig. 3 is a schematic perspective view of the support plate of the present invention;

in the drawings, the reference numbers: 1. a pipeline; 2. a flowmeter body; 3. fastening a screw rod; 4. an upper hoop sheet; 5. a lower hoop sheet; 6. fixing the bolt; 7. fixing a nut; 8. a limiting plate; 9. a connecting plate; 10. an upper mounting lug; 11. a lower mounting lug; 12. a support plate; 13. perforating; 14. an Artoba tube; 15. a first fastening nut; 16. a short connecting pipe; 17. a rubber sheet; 18. a second fastening nut; 19. a glass tube.

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.

Referring to fig. 1-3, the amoeba differential pressure flowmeter of the present invention, which is installed on a pipeline 1, comprises a flowmeter body 2, two sets of fastening screws 3, two sets of upper hoop sheets 4, two sets of lower hoop sheets 5, two sets of fixing bolts 6, two sets of fixing nuts 7, and two sets of limiting plates 8, wherein the rear ends of the two sets of upper hoop sheets 4 are rotatably connected to the rear ends of the two sets of lower hoop sheets 5, respectively, a connecting plate 9 is disposed between the rear ends of the two sets of upper hoop sheets 4, the front ends of the two sets of upper hoop sheets 4 are bent outward to form upper mounting lugs 10, the two sets of upper mounting lugs 10 are provided with upper through holes, the front ends of the two sets of lower hoop sheets 5 are bent outward to form lower mounting lugs 11, the two sets of lower mounting lugs 11 are provided with lower through holes, the two sets of upper hoop sheets 4 and the two sets of lower hoop sheets 5 are hooped outside the pipeline 1, the inner rings of the two sets of upper hoop sheets 4 and the two sets of lower hoop sheets, the inner side of the rubber sheet 17 is tightly attached to the pipeline 1, friction force between the rubber sheet 17 and the pipeline 1 is increased, so that the integral supporting effect of the rubber sheet is further improved, a certain damping effect can be achieved, the flowmeter body 2 is protected, each group of fixing bolts 6 sequentially penetrate through one group of upper through holes and one group of lower through holes and are in threaded connection with one group of fixing nuts 7, the bottom ends of two groups of fastening screws are respectively welded and fixed with the middle parts of the top ends of two groups of upper hoop sheets 4, the middle parts of two groups of limiting plates 8 are respectively provided with vertically through threaded holes, the top ends of two groups of fastening screws 3 respectively penetrate through two groups of threaded holes to the upper parts of two groups of limiting plates 8 from the bottom ends of two groups of limiting plates 8 in a threaded mode, the middle part of the outer side of the flowmeter body 2 is transversely provided with a supporting plate 12, and the left end and the right, the perforation 13 on the supporting plate 12 is a strip-shaped hole in the horizontal direction, the fastening screw rods 3 conveniently penetrate through the perforation 13, the bottom end of the flowmeter body 2 is provided with an Armonk's tube 14, the supporting plate 12 is perpendicular to the Armonk's tube 14, the top ends of the two groups of fastening screw rods 3 respectively penetrate through the two groups of perforation 13 from the bottom end of the supporting plate 12 to the top end of the supporting plate 12, the top ends of the two groups of limiting plates 8 are respectively attached to the left side and the right side of the bottom end of the supporting plate 12, the top ends of the two groups of fastening screw rods 3 are respectively provided with a first fastening nut 15 in a screwed mode, the bottom ends of the two groups of first fastening nuts 15 are respectively attached to the left side and the right side of the top end of the supporting plate 12, the top end of the pipeline 1 is welded with a connecting short pipe 16, the top end of the connecting short pipe 16 is connected, second fastening nut 18 has been provided to the equal spiral shell in the outside of two sets of fastening screw 3, the top of second fastening nut 18 pastes tightly with the bottom of two sets of limiting plates 8 respectively, prevent that limiting plate 8 is not hard up, during the installation, at first, hoop 4 and two sets of lower hoop 5 hoops on pipeline 1 on two sets of upper hoop piece 4, make two sets of perforation 13 respectively passed from the bottom of backup pad 12 on the top of two sets of fastening screw 3, adjust the height of two sets of limiting plate 8, make two sets of limiting plate 8 support and fix a position backup pad 12, conveniently fix a position the flowmeter, then to flowmeter body 2 with pipeline 1 weld can, after the welding, compress tightly the top of backup pad 12 through fastening nut, thereby fix backup pad 12, guarantee the fastness of later stage flowmeter installation, and improve the practicality.

A strip-shaped groove is formed in the front end of the support plate 12, a glass tube 19 is installed in the strip-shaped groove, liquid is filled in the glass tube 19, and the liquid occupies half of the volume of the glass tube 19; the glass tube 19 and the liquid form a suggested level gauge, so that the level condition of the support plate 12 can be detected, and the positioning and the installation are convenient.

When in use and installation, firstly, two groups of upper hoop sheets 4 and two groups of lower hoop sheets 5 are hooped on the pipeline 1, the top ends of two groups of fastening screw rods 3 respectively pass through two groups of through holes 13 from the bottom end of the supporting plate 12, the heights of two groups of limiting plates 8 are adjusted, two groups of limiting plates 8 support and position the supporting plate 12, the flowmeter is conveniently positioned, then the flowmeter body 2 and the pipeline 1 are welded, after the welding is finished, the top end of the supporting plate 12 is pressed through a fastening nut, so that the supporting plate 12 is fixed, the firmness of later-stage flowmeter installation is ensured, the practicability is improved, a suggested gradienter is formed by a glass tube 19 and liquid, the horizontal condition of the supporting plate 12 can be detected, the positioning and installation are convenient, the friction force between the glass sheets 17 and the pipeline 1 is increased, and the integral supporting effect of the gradienter is further improved, and can play certain shock attenuation effect, protect flowmeter body 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. An Annuba differential pressure flowmeter is arranged on a pipeline (1) and is characterized by comprising a flowmeter body (2), two groups of fastening screw rods (3), two groups of upper hoop sheets (4), two groups of lower hoop sheets (5), two groups of fixing bolts (6), two groups of fixing nuts (7) and two groups of limiting plates (8), wherein the rear ends of the two groups of upper hoop sheets (4) are respectively and rotatably connected with the rear ends of the two groups of lower hoop sheets (5), a connecting plate (9) is arranged between the rear ends of the two groups of upper hoop sheets (4), the front ends of the two groups of upper hoop sheets (4) are outwards bent and form upper mounting lugs (10), the two groups of upper mounting lugs (10) are respectively provided with upper through holes, the front ends of the two groups of lower hoop sheets (5) are outwards bent and form lower mounting lugs (11), the two groups of lower mounting lugs (11) are respectively provided with lower through holes, and the two groups of upper hoop sheets (4) and the lower hoop sheets (5) are respectively hooped outside the pipeline (1), every group fixing bolt (6) all passes a set of in proper order go up the through-hole and a set of down the through-hole and with a set of fixation nut (7) pass through threaded connection, two sets of fastening screw's bottom respectively with two sets of top middle part welded fastening who goes up hoop piece (4), the middle part of two sets of limiting plate (8) all is provided with the screw hole of lining up from top to bottom, and the top of two sets of fastening screw (3) is respectively passed two sets of screw holes to the top of two sets of limiting plate (8) from the bottom spiral shell dress of two sets of limiting plate (8), the outside middle part of flowmeter body (2) transversely is provided with backup pad (12) to the perforation (13) of lining up about all being provided with at the left end and the right-hand member of backup pad (12), the bottom of flowmeter body (2) is provided with amoeba pipe (14), and backup pad (12) are perpendicular with amoeba pipe (14), the top of two sets of fastening screw (3) The top of fagging (12), the top of two sets of limiting plates (8) pastes tightly with the left side and the right side of backup pad (12) bottom respectively, and the equal spiro union in top of two sets of fastening screw (3) is provided with first fastening nut (15), the bottom of two sets of first fastening nut (15) pastes tightly with the left side and the right side on backup pad (12) top respectively.

2. An amoeba differential pressure flow meter according to claim 1, characterized in that a junction pipe (16) is welded to the top end of the pipe (1), the top end of the junction pipe (16) is connected to the bottom end of the support plate (12), and the bottom end of the amoeba pipe (14) extends into the pipe (1) through the junction pipe (16).

3. An amoeba differential pressure flowmeter according to claim 1, characterized in that the inner rings of the two sets of upper and lower hoop sheets (4, 5) are each provided with a rubber sheet (17), the inner side of the rubber sheet (17) abutting against the pipe (1).

4. The Alnubar differential pressure flowmeter of claim 1, characterized in that a second fastening nut (18) is screwed on the outer side of each of the two sets of fastening screws (3), and the top ends of the second fastening nuts (18) are respectively attached to the bottom ends of the two sets of limiting plates (8).

5. An amoeba differential pressure flowmeter according to claim 1, characterized in that the front end of the support plate (12) is provided with a strip-shaped groove, and a glass tube (19) is installed in the strip-shaped groove, and the glass tube (19) is filled with liquid, and the liquid occupies half of the volume of the glass tube (19).

6. An amoeba differential pressure flow meter according to claim 1, characterized in that the perforations (13) in the support plate (12) are all horizontally elongated holes.