CN210719283U

CN210719283U - Parabola gradually-reduced electromagnetic water meter

Info

Publication number: CN210719283U
Application number: CN201921749817.3U
Authority: CN
Inventors: 许书凡; 李红锁; 傅俊杰; 杨森; 马宏泽
Original assignee: Tianjin Sure Instrument Science & Technology Co ltd
Current assignee: Tianjin Sure Instrument Science & Technology Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-09
Anticipated expiration: 2029-10-17

Abstract

The utility model provides a parabolic tapered electromagnetic water meter, which comprises a measuring tube, flange plates at two ends of the measuring tube and a measuring mechanism at the middle part of the measuring tube; the middle part of the measuring pipe is provided with a sunken part for arranging a measuring mechanism and a protective shell for protecting the measuring mechanism; survey position between corresponding protective housing and the ring flange on the buret and be equipped with stabilizing mean, this stabilizing mean includes the connecting seat and sets up the buffering subassembly on the connecting seat. The utility model has simple structure, good stability and high reliability, and can be stably installed on a pipeline for use; through setting up multiple shock-absorbing structure of stabilizing on surveying buret, greatly reduced survey the vibrations of buret, be favorable to reducing the fatigue damage probability of ring flange and sealed pad, avoid appearing liquid leakage, the supporting shoe can limit electromagnetic water meter's axial and radial movement jointly with the holding ring, has improved this kind of electromagnetic water meter's stability greatly.

Description

Parabola gradually-reduced electromagnetic water meter

Technical Field

The invention belongs to the field of electromagnetic water meters, and particularly relates to a parabolic tapered electromagnetic water meter.

Background

The electromagnetic flowmeter measures flow according to Faraday's law of electromagnetic induction, and calculates the flow rate of fluid in a pipeline by measuring the induced electromotive force generated on electrodes at two sides of a measuring conduit when the fluid makes a motion of cutting magnetic lines in a magnetic field, thereby determining the flow rate. Due to its unique advantages, electromagnetic flow meters are now widely used in industrial processes. An electromagnetic flow meter generally comprises a measuring conduit, a measuring electrode, an electromagnetic coil located outside the measuring conduit, and a controller; the existing electromagnetic flowmeter is generally installed on a pipeline through a flange plate directly for use, the replacement is very difficult, the electromagnetic flowmeter needs to be used for a long time after installation, but when the electromagnetic flowmeter is close to water supply equipment or the water flow speed in the pipeline is faster, the electromagnetic flowmeter can be caused to vibrate, vibration can not only lead to elements or components on the electromagnetic flowmeter to be enjoyed, but also lead to the fatigue damage of the elements at the joint of the flange plate due to long-time vibration, the leakage at the joint is easy to cause, and the measurement precision of the electromagnetic flowmeter is influenced.

Disclosure of Invention

In view of the above, the present invention provides a parabolic tapered electromagnetic water meter to overcome the above-mentioned drawbacks in the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a parabola tapered electromagnetic water meter comprises a measuring pipe, flange plates at two ends of the measuring pipe and a measuring mechanism in the middle of the measuring pipe; the middle part of the measuring pipe is provided with a sunken part for arranging a measuring mechanism and a protective shell for protecting the measuring mechanism; a stabilizing mechanism is arranged on the measuring tube corresponding to the position between the protective shell and the flange plate, the stabilizing mechanism comprises a connecting seat and a buffer assembly arranged on the connecting seat, a through hole matched with the measuring tube is arranged on the connecting seat, and a guide strip is arranged on the measuring tube corresponding to the connecting seat; the position that corresponds the through-hole on the connecting seat is equipped with the guide way with gib block complex, be equipped with the damping subassembly that is used for reducing survey buret vibration in the guide way.

Further, the measuring mechanism comprises an electromagnetic coil and an electrode which are arranged on the concave part.

Further, the connecting seat includes the holding ring that sets up on bottom plate and the bottom plate, the guide way sets up on the holding ring.

Furthermore, the buffer assembly comprises a supporting block arranged on the bottom plate, a buffer part used for filling a gap between the flange plate and the protective shell is arranged in the middle of the supporting block, and grooves matched with the flange plate and the shell are respectively arranged on two sides of the supporting block.

Furthermore, buffering separation blades are arranged on the two sides of the positioning ring corresponding to the guide grooves.

Furthermore, the damping assembly comprises a damping ball arranged in the guide groove, and a U-shaped groove matched with the damping ball is arranged on the guide strip.

Furthermore, one end of the guide strip is fixed on the flange plate, and the other end of the guide strip is fixed on the protective shell.

Compared with the prior art, the invention has the following advantages:

the invention has simple structure, good stability and high reliability, and can be stably arranged on a pipeline for use; through setting up multiple shock-absorbing structure of stabilizing on surveying buret, greatly reduced survey the vibrations of buret, be favorable to reducing the fatigue damage probability of ring flange and sealed pad, avoid appearing liquid leakage, the supporting shoe can limit electromagnetic water meter's axial and radial movement jointly with the holding ring, has improved this kind of electromagnetic water meter's stability greatly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

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

FIG. 2 is a partial cross-sectional view of FIG. 1;

fig. 3 is a schematic structural diagram of a connecting seat in an embodiment of the invention.

Description of reference numerals:

1-measuring tube; 2-a flange plate; 3-protective shell; 4-mounting a base; 5-a flow converter; 6-a positioning ring; 7-a support block; 8-a bottom plate; 9-an electromagnetic coil; 10-an electrode; 11-a recess; 12-a buffer; 13-buffering the baffle plate; 14-a damping ball; 15-a guide strip; 16-a guide groove; 17-a through hole; 18-grooves.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

A parabola tapered electromagnetic water meter is shown in figures 1 to 3 and comprises a measuring pipe 1, flange plates 2 at two ends of the measuring pipe 1 and a measuring mechanism in the middle of the measuring pipe 1; the middle part of the measuring pipe 1 is provided with a concave part 11 for arranging a measuring mechanism and a protective shell 3 for protecting the measuring mechanism; a stabilizing mechanism is arranged on the measuring tube 1 corresponding to the position between the protective shell 3 and the flange plate 2, the stabilizing mechanism comprises a connecting seat and a buffer assembly arranged on the connecting seat, a through hole 17 matched with the measuring tube 1 is arranged on the connecting seat, and a guide strip 15 is arranged on the measuring tube 1 corresponding to the position of the connecting seat; the position that corresponds through-hole 17 on the connecting seat is equipped with the guide way 16 with the cooperation of gib block 15, be equipped with the damping subassembly that is used for reducing the vibrations of surveying buret 1 in the guide way 16.

The measuring mechanism comprises an electromagnetic coil 9 and an electrode 10 which are arranged on a concave part 11; specifically, the protective shell 3 is provided with an installation seat 4 for installing the flow converter 5, and the installation seat 4 is provided with a through hole 17 for a lead to pass through; the conventional flow converter 5 is connected to the electrode 10 through a wire, and the installation manners of the electromagnetic coil 9 and the electrode 10 are the prior art and are not described herein.

The connecting seat comprises a bottom plate 8 and a positioning ring 6 arranged on the bottom plate 8, and a guide groove 16 matched with the guide strip 15 is arranged on the positioning ring 6; specifically, the bottom plate 8 can be fixed on the ground or the wall surface through screws, and the measuring tube 1 can be further fixed through the arrangement of the connecting seat, so that the stability of the measuring tube 1 is improved, the looseness of the connection part of the measuring tube 1 and a pipeline is favorably prevented, the leakage of liquid is avoided, and the use reliability and the measurement accuracy of the electromagnetic water meter are greatly improved; in order to facilitate the installation of the positioning ring 6, the positioning ring 6 can be divided into an upper half ring and a lower half ring, a guide groove 16 is respectively arranged on the upper half ring and the lower half ring, a guide strip 15 is correspondingly arranged on the measuring tube 1, and the upper half ring and the lower half ring can be fixedly connected through bolts; through the cooperation of gib block 15 and guide way 16, the removal of surveying buret 1 circumference direction is lived in the restriction that holding ring 6 can be fine, prevents to survey buret 1 and takes place to rock, has improved the reliability and the stability of surveying buret and pipe connection.

The buffer component comprises a supporting block 7 arranged on a bottom plate 8, a buffer part 12 used for filling a gap between the flange plate 2 and the protective shell 3 is arranged in the middle of the supporting block 7, and grooves 18 matched with the flange plate 2 and the shell are respectively arranged on two sides of the supporting block 7; specifically, the supporting block 7 can be a damping rubber block, and the supporting block 7 can well support the flange 2 and the protective shell 3 through the groove 18, so that the stability of the electromagnetic water meter is further improved, and the stress condition of the flange 2 is reduced; the supporting block 7 and the positioning ring 6 can limit the axial and radial movement of the electromagnetic water meter together, and the stability of the electromagnetic water meter is greatly improved.

The damping assembly comprises a damping ball 14 arranged in a guide groove 16, and a U-shaped groove matched with the damping ball 14 is arranged on a guide strip 15; it is specific, damping ball 14 can adopt damping rubber ball or silica gel damping ball, as long as can realize damping shock attenuation effect can, through surveying buret 1 when rivers, cause surveying buret 1 to take place the axial vibrations, through damping ball 14 and the cooperation of U type groove, can suitably eliminate the axial vibrations of surveying buret 1, thereby reduce survey buret 1 to ring flange 2, and the sealed vibrations of sealing up of ring flange 2 are strikeed, prevent that the ring flange 2 junction from taking place fatigue owing to vibrations for a long time, avoid appearing the liquid leakage, further improved the reliability of surveying buret and pipe connection.

The two sides of the positioning ring 6 are provided with buffering blocking pieces 13 corresponding to the positions of the guide grooves 16; specifically, the buffering blocking sheet 13 not only can play a role of reducing the vibration of the measuring pipe 1 together with the buffering part 12, but also the buffering blocking sheet 13 can prevent the damping ball 14 from separating from the guide groove 16, so that the reliability of the damping ball 14 is greatly improved, and the damping ball 14 can continuously play a role of damping.

One end of the guide strip 15 is fixed on the flange plate 2, the other end of the guide strip is fixed on the protective shell 3, the guide strip 15 can strengthen the structural strength of the protective shell 3 and the flange plate 2, and the protective shell 3/the flange plate 2 can stably support the buffering blocking piece 13 and the positioning ring 6.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims

1. A parabola gradually-reduced electromagnetic water meter is characterized in that: the device comprises a measuring pipe, flange plates at two ends of the measuring pipe and a measuring mechanism in the middle of the measuring pipe; the middle part of the measuring pipe is provided with a sunken part for arranging a measuring mechanism and a protective shell for protecting the measuring mechanism; a stabilizing mechanism is arranged on the measuring tube corresponding to the position between the protective shell and the flange plate, the stabilizing mechanism comprises a connecting seat and a buffer assembly arranged on the connecting seat, a through hole matched with the measuring tube is arranged on the connecting seat, and a guide strip is arranged on the measuring tube corresponding to the connecting seat; the position that corresponds the through-hole on the connecting seat is equipped with the guide way with gib block complex, be equipped with the damping subassembly that is used for reducing survey buret vibration in the guide way.

2. A parabolic tapered electromagnetic water meter as defined in claim 1, wherein: the measuring mechanism comprises an electromagnetic coil and an electrode which are arranged on the concave part.

3. A parabolic tapered electromagnetic water meter as defined in claim 1, wherein: the connecting seat comprises a bottom plate and a positioning ring arranged on the bottom plate, and the guide groove is arranged on the positioning ring.

4. A parabolic tapered electromagnetic water meter as claimed in claim 3, wherein: the buffer assembly comprises a supporting block arranged on the bottom plate, a buffer part used for filling a gap between the flange plate and the protective shell is arranged in the middle of the supporting block, and grooves matched with the flange plate and the shell are respectively arranged on two sides of the supporting block.

5. A parabolic tapered electromagnetic water meter as claimed in claim 3, wherein: and buffering separation blades are arranged on the two sides of the positioning ring corresponding to the guide grooves.

6. A parabolic tapered electromagnetic water meter as defined in claim 1, wherein: the damping assembly comprises a damping ball arranged in a guide groove, and a U-shaped groove matched with the damping ball is arranged on the guide strip.

7. A parabolic tapered electromagnetic water meter as defined in claim 1, wherein: one end of the guide strip is fixed on the flange plate, and the other end of the guide strip is fixed on the protective shell.