CN217980417U

CN217980417U - Probe structure of vortex shedding flowmeter

Info

Publication number: CN217980417U
Application number: CN202221882178.XU
Authority: CN
Inventors: 张幸龙; 张翠真
Original assignee: Kaifeng Dongjiu Instrument Co ltd
Current assignee: Kaifeng Dongjiu Instrument Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-06
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a vortex shedding flowmeter probe structure, which comprises a flowmeter support cylinder, a detection column and a limiting mechanism; a flow meter support cylinder: the middle part of the inner arc wall is provided with embedded grooves which are bilaterally symmetrical, the bottom end of the outer arc surface of the flow meter support cylinder is fixedly sleeved with a mounting plate, four corners of the mounting plate are symmetrically provided with mounting holes, the upper end of the outer arc surface of the detection column is fixedly sleeved with a lantern ring, and the lantern ring is movably sleeved inside the flow meter support cylinder; a limiting mechanism: the limiting mechanism is arranged on the outer arc surface of the lantern ring and matched with the embedded groove; wherein: the limiting mechanism comprises a containing cavity and an embedding column, the containing cavity is bilaterally and symmetrically arranged on the outer arc surface of the sleeve ring, the embedding columns are connected inside the containing cavity in a sliding mode, and the embedding columns are matched with the embedding grooves; this vortex flowmeter probe structure can guarantee to accomplish the loading and unloading work of this vortex flowmeter probe under the prerequisite of installation stability fast, and the personnel of being convenient for maintain or change work, and easy operation is practical.

Description

Probe structure of vortex shedding flowmeter

Technical Field

The utility model relates to a flowmeter technical field specifically is vortex shedding flowmeter probe structure.

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

The vortex shedding flowmeter is characterized by small pressure loss, large measuring range and high precision, and is hardly influenced by parameters such as fluid density, pressure, temperature, viscosity and the like when measuring the working condition volume flow. No movable mechanical parts are needed, so the reliability is high and the maintenance amount is small. When the vortex shedding flowmeter works, the metering work is mainly carried out through a vortex shedding flowmeter probe arranged at the bottom end of the vortex shedding flowmeter.

The existing probe structure of the vortex shedding flowmeter is mostly completed in a flange connection mode, so that personnel can loosen and tighten each flange bolt one by one in actual operation, and the assembly and disassembly work can not be completed quickly on the premise of ensuring the installation stability.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide vortex flowmeter probe structure, can accomplish the loading and unloading work of this vortex flowmeter probe fast under the prerequisite of guaranteeing installation stability, the personnel of being convenient for maintain or change work, easy operation is practical, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the vortex shedding flowmeter probe structure comprises a flowmeter support cylinder, a detection column and a limiting mechanism;

a flow meter support cylinder: the middle part of the inner arc wall is provided with embedded grooves which are bilaterally symmetrical, the bottom end of the outer arc surface of the flow meter support cylinder is fixedly sleeved with a mounting plate, four corners of the mounting plate are symmetrically provided with mounting holes, the upper end of the outer arc surface of the detection column is fixedly sleeved with a lantern ring, and the lantern ring is movably sleeved inside the flow meter support cylinder;

a limiting mechanism: set up in the extrados of the lantern ring, stop gear sets up with the embedded groove cooperation, can accomplish the loading and unloading work of this vortex shedding flowmeter probe fast under the prerequisite of guaranteeing installation stability, and the personnel of being convenient for maintain or change work, and easy operation is practical.

Furthermore, stop gear is including accomodating chamber and embedding post, accomodate the chamber bilateral symmetry and set up in the extrados of the lantern ring, accomodate the equal sliding connection in inside in chamber and have the embedding post, the embedding post sets up with the embedded groove cooperation, can realize the relatively fixed to a flowmeter prop up a section of thick bamboo and the lantern ring.

Furthermore, the limiting mechanism further comprises ejection springs which are respectively arranged inside the two accommodating cavities, and the outer ends of the ejection springs are respectively fixedly connected with the embedding columns on the adjacent sides, so that the embedding columns can be ejected outwards.

Furthermore, the bottom end of the inner arc wall of the branch flowmeter is obliquely arranged from top to bottom, and the upper end edge of the embedded groove is obliquely arranged from top to bottom towards the direction far away from the central axis of the branch flowmeter, so that the normal development of subsequent loading and unloading work can be ensured.

Further, the flowmeter props up the inner arc wall upper end of a section of thick bamboo and is equipped with the annular slab, the bottom surface of annular slab is equipped with conical spring, conical spring's bottom is equipped with and compresses tightly the cover, the montant that compresses tightly the cover upper surface is located the round hole of annular slab center department, conical spring cover is located and is compressed tightly the montant outside of covering the upper surface, compress tightly the outer cambered surface of cover and flowmeter props up the inner arc wall sliding connection of a section of thick bamboo, compress tightly the cover and survey the post cooperation setting, can play limiting displacement to surveying the post from the top, ensure the installation stability of surveying the post.

Furthermore, the extrados symmetry of the lantern ring is equipped with two guide ways, and the inner arc wall middle part of a flowmeter prop is equipped with the direction arch of front and back symmetry, and the direction arch sets up with the guide way cooperation, can provide certain direction supporting role for the lantern ring.

Furthermore, the bottom surface of mounting panel is equipped with sealed the pad, and the through-hole with the mounting hole one-to-one is seted up in sealed four corners of filling up, can promote the leakproofness between mounting panel and the outside measurement pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: this vortex flowmeter probe structure has following benefit:

1. the personnel will survey the in-process that the post inserted a flowmeter prop up the section of thick bamboo, the embedding post can be preferred to prop up the contact of the interior arc wall lower extreme inclined plane of a section of thick bamboo with the flowmeter, along with survey the inside that the chamber was accomodate to the elasticity and the retraction that ejecting spring can be overcome to the embedding post of inserting of post, so that the lantern ring can normally get into the inside that a flowmeter propped up the section of thick bamboo, and can provide certain direction supporting role for the lantern ring behind the protruding inside entering guide way that leads, when the embedding post corresponds with the embedded groove position, the elastic potential energy influence embedding post that receives the spring can automatic get into the inside of embedded groove and realize the relatively fixed to a flowmeter prop up a section of thick bamboo and a lantern ring, and the pressure cap then because conical spring's elastic potential energy influence is detained and is put in the upper end of surveying the post, so that play limiting displacement to the survey post from the top, ensure the installation stability of surveying post.

2. When personnel need dismantle the detection post, exert pressure earlier the detection post towards the top of flowmeter prop, the elastic potential energy that conical spring can be overcome to the embedding post this moment and return to the inside of accomodating the chamber from the inside of embedded groove along the slant roof of embedded groove and contract back, and the direction arch then can be by the vertical cell body entering arc wall of guide way in, then personnel twist the manual vertical cell body of detecting post along the arc cell body of guide way and make the direction arch get into the vertical cell body of guide way opposite side in, make the embedding post be in the circumference dislocation state with the embedded groove, then will survey post and lantern ring and can accomplish dismantlement work from the vertical taking out in inside of flowmeter prop, and the operation is simple and practical, the personnel of being convenient for maintain or change the detection post.

Drawings

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

FIG. 2 is a schematic view of the inner cross-sectional structure of the flow meter support tube of the present invention;

FIG. 3 is a schematic view of the in-plane cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic view of the a position of the present invention.

In the figure: the flowmeter comprises a flowmeter support tube 1, an embedded groove 2, a mounting plate 3, a mounting hole 4, a detection column 5, a lantern ring 6, a limiting mechanism 7, a storage cavity 71, an embedded column 72, an ejection spring 73, an annular plate 8, a conical spring 9, a compression cover 10, a guide groove 11, a guide protrusion 12 and a sealing gasket 13.

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. 1-4, the present embodiment provides a technical solution: the vortex shedding flowmeter probe structure comprises a flowmeter support tube 1, a detection column 5 and a limiting mechanism 7;

the flowmeter branch tube 1: the middle part of the inner arc wall of the flowmeter support tube is provided with bilaterally symmetrical embedded grooves 2, the bottom end of the outer arc surface of the flowmeter support tube 1 is fixedly sleeved with a mounting plate 3, four corners of the mounting plate 3 are symmetrically provided with mounting holes 4, the upper end of the outer arc surface of a detection column 5 is fixedly sleeved with a lantern ring 6, the lantern ring 6 is movably sleeved in the flowmeter support tube 1, the bottom end of the inner arc wall of the flowmeter support tube 1 is obliquely arranged from top to bottom, the upper end edges of the embedded grooves 2 are all obliquely arranged from top to bottom in a direction far away from the central axis of the flowmeter support tube 1, and the mounting plate 3 is connected with an external measurement pipeline by using external bolts to penetrate through the mounting holes 4, so that the flowmeter support tube 1 can be fixed, and the stability of a working environment is ensured;

and a limiting mechanism 7: the limiting mechanism 7 is matched with the embedded groove 2, the limiting mechanism 7 comprises storage cavities 71 and embedded columns 72, the storage cavities 71 are arranged on the outer arc surface of the lantern ring 6 in a bilateral symmetry mode, the embedded columns 72 are connected inside the storage cavities 71 in a sliding mode, the embedded columns 72 are matched with the embedded groove 2, the limiting mechanism 7 further comprises ejection springs 73, the ejection springs 73 are respectively arranged inside the two storage cavities 71, the outer side ends of the ejection springs 73 are respectively fixedly connected with the embedded columns 72 on the adjacent sides, in the process that a person inserts the detection column 5 into the flowmeter support barrel 1, the embedded columns 72 can be preferentially contacted with the inclined surface at the lower end of the inner arc wall of the flowmeter support barrel 1, the embedded columns 72 can overcome the elastic force of the ejection springs 73 along with the insertion of the detection column 5 and retract into the storage cavities 71, so that the lantern ring 6 can normally enter the flowmeter support barrel 1, and when the embedded columns 72 correspond to the embedded groove 2, the embedding column 72 can automatically enter the inside of the embedding groove 2 to realize the relative fixation of the flowmeter support tube 1 and the lantern ring 6 under the influence of the elastic potential energy of the spring 73, when a person needs to disassemble the detection column 5, the detection column 5 is firstly pressed towards the upper part of the flowmeter support tube 1, at the moment, the embedding column 72 can overcome the elastic potential energy of the conical spring 9 and retract to the accommodating cavity 71 from the inside of the embedding groove 2 along the inclined top wall of the embedding groove 2, the guide protrusion 12 can enter the arc-shaped groove body of the guide groove 11 through the vertical groove body of the guide groove 11, then the person manually twists the detection column 5 along the arc-shaped groove body of the guide groove 11 to enable the guide protrusion 12 to enter the vertical groove body on the other side of the guide groove 11, so that the embedding column 72 and the embedding groove 2 are in a circumferential dislocation state, and then vertically extracts the detection column 5 and the lantern ring 6 from the inside of the flowmeter support tube 1 to complete the disassembling work, the operation is simple and practical, and the personnel of being convenient for maintain or change the detection post 5.

Wherein: flowmeter prop up 1's inner arc wall upper end and be equipped with annular slab 8, the bottom surface of annular slab 8 is equipped with conical spring 9, conical spring 9's bottom is equipped with and compresses tightly cover 10, the montant that compresses tightly the cover 10 upper surface is located the round hole of 8 center departments of annular slab, conical spring 9 covers and locates to compress tightly the montant outside of cover 10 upper surface, the outer cambered surface that compresses tightly cover 10 and flowmeter prop up 1 inner arc wall sliding connection, compress tightly cover 10 and survey 5 cooperation settings of post, it puts in the upper end of surveying post 5 because conical spring 9's elastic potential energy influence is detained to compress tightly cover 10, so that play limiting displacement to surveying post 5 from the top, ensure the installation stability who surveys post 5.

Wherein: the extrados symmetry of the lantern ring 6 is equipped with two guide ways 11, and the inner arc wall middle part of the flowmeter branch barrel 1 is equipped with the guide projection 12 of front and back symmetry, and guide projection 12 sets up with the guide way 11 cooperation, can provide certain direction supporting role for the lantern ring 6.

Wherein: the bottom surface of mounting panel 3 is equipped with sealed the pad 13, and the through-hole with mounting hole 4 one-to-one is seted up in sealed four corners of pad 13, can promote the leakproofness between mounting panel 3 and the outside measuring pipe.

The utility model provides a vortex flowmeter probe structure's theory of operation as follows: when a person inserts the detection column 5 into the flowmeter support barrel 1, the embedding column 72 can preferentially contact with the inclined plane at the lower end of the inner arc wall of the flowmeter support barrel 1, the embedding column 72 can overcome the elasticity of the ejection spring 73 and retract into the accommodating cavity 71 along with the insertion of the detection column 5, so that the sleeve ring 6 can normally enter the flowmeter support barrel 1, and the guide protrusion 12 can provide a certain guide supporting effect for the sleeve ring 6 after entering the guide groove 11, when the embedding column 72 corresponds to the position of the accommodating cavity 2, the embedding column 72 can automatically enter the accommodating cavity 2 under the influence of the elastic potential energy of the spring 73 to realize the relative fixation of the flowmeter support barrel 1 and the sleeve ring 6, the pressing cover 10 is buckled at the upper end of the detection column 5 under the influence of the elastic potential energy of the conical spring 9, so that the detection column 5 is limited from the upper side, the installation stability of the detection column 5 is ensured, when the person needs to detach the detection column 5, the detection column 5 can firstly apply pressure to the detection column 5 from the upper side of the support barrel 1, at the detection column 72, at the moment, the detection column 72 overcomes the elastic potential energy of the detection column 9 and then can be pulled back from the inner side of the guide groove 2 along the guide groove 2, and the guide groove 11, and then the personnel can conveniently detach the guide protrusion from the guide groove 2, and then the vertical support column 5, and then the guide groove 11, and then the guide groove can conveniently detach the guide groove 11, and the flow meter support barrel 1, and then the flow meter support barrel 5, and the flow meter can be detached by the flow meter support barrel, and the flow meter.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. Vortex flowmeter probe structure, its characterized in that: the device comprises a flowmeter support tube (1), a detection column (5) and a limiting mechanism (7);

flowmeter branch tube (1): the middle part of the inner arc wall of the flow meter is provided with bilaterally symmetrical embedded grooves (2), the bottom end of the outer arc surface of the flow meter support cylinder (1) is fixedly sleeved with a mounting plate (3), four corners of the mounting plate (3) are symmetrically provided with mounting holes (4), the upper end of the outer arc surface of the detection column (5) is fixedly sleeved with a lantern ring (6), and the lantern ring (6) is movably sleeved inside the flow meter support cylinder (1);

limiting mechanism (7): set up in the extrados of lantern ring (6), stop gear (7) and embedded groove (2) cooperation setting.

2. The vortex shedding flowmeter probe structure of claim 1, wherein: stop gear (7) are including accomodating chamber (71) and embedding post (72), accomodate chamber (71) bilateral symmetry and set up in the extrados of lantern ring (6), the equal sliding connection in inside of accomodating chamber (71) has embedding post (72), embedding post (72) and embedded groove (2) cooperation setting.

3. The vortex shedding flowmeter probe structure of claim 2, wherein: the limiting mechanism (7) further comprises ejection springs (73), the ejection springs (73) are respectively arranged inside the two containing cavities (71), and the outer ends of the ejection springs (73) are respectively fixedly connected with the embedding columns (72) on the adjacent sides.

4. The vortex shedding flowmeter probe structure of claim 1, wherein: the bottom end of the inner arc wall of the flowmeter support cylinder (1) is obliquely arranged from top to bottom, and the upper end edge of the embedded groove (2) is obliquely arranged from top to bottom towards the direction far away from the central axis of the flowmeter support cylinder (1).

5. The vortex shedding flowmeter probe structure of claim 1, wherein: the flowmeter props up the inner arc wall upper end of a section of thick bamboo (1) and is equipped with annular slab (8), the bottom surface of annular slab (8) is equipped with conical spring (9), the bottom of conical spring (9) is equipped with and compresses tightly cover (10), the montant that compresses tightly cover (10) upper surface is located the round hole of annular slab (8) center department, conical spring (9) cover is located and is compressed tightly the montant outside of cover (10) upper surface, compress tightly the outer cambered surface of cover (10) and the inner arc wall sliding connection of flowmeter prop up a section of thick bamboo (1), compress tightly cover (10) and survey post (5) cooperation setting.

6. The vortex shedding flowmeter probe structure of claim 1, wherein: the outer arc surface symmetry of lantern ring (6) is equipped with two guide ways (11), and the inner arc wall middle part of flowmeter prop (1) is equipped with guide protrusion (12) of longitudinal symmetry, and guide protrusion (12) and guide way (11) cooperation set up.

7. The vortex shedding flowmeter probe structure of claim 1, wherein: the bottom surface of mounting panel (3) is equipped with sealed pad (13), and the through-hole with mounting hole (4) one-to-one has been seted up in the four corners of sealed pad (13).