CN212391048U

CN212391048U - Electromagnetic flowmeter for monitoring underground pipe network

Info

Publication number: CN212391048U
Application number: CN202021486619.5U
Authority: CN
Inventors: 官荣涛; 彭慧娟; 韦金燕
Original assignee: Guangzhou Noncon Automation Equipment Co ltd
Current assignee: Guangzhou Noncon Automation Equipment Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-01-22
Anticipated expiration: 2030-07-24

Abstract

The utility model provides an electromagnetic flowmeter is used in control of underground pipe network, including preceding casing, sealed frame, transparent toughened glass piece, butyl rubber strip, back protective housing body and butyl rubber cover, the laminating of terminal surface rear side has back protective housing body under the sealed apron, the laminating of terminal surface front side has preceding protective housing body under the sealed apron, preceding terminal surface is installed sealed frame before the casing of protecting, the inside bonding of sealed frame has transparent toughened glass piece, the butyl rubber strip has been clamped between preceding protective housing body and the back protective housing body, downside clamping sleeve has the butyl rubber cover between preceding protective housing body and the back protective housing body, original electromagnetic flowmeter self protective capability has been solved in this design weakly, receives groundwater corrosion's problem easily, the utility model discloses rational in infrastructure, sealed protection is effectual, avoids the inside electrical component of electromagnetic flowmeter to receive groundwater corrosion.

Description

Electromagnetic flowmeter for monitoring underground pipe network

Technical Field

The utility model relates to an underground pipe network control uses electromagnetic flowmeter belongs to flowmeter technical field.

Background

The electromagnetic flowmeter is a novel flow measuring instrument which is rapidly developed along with the development of electronic technology in 50-60 years of the 20 th century. The electromagnetic flowmeter measures the flow of conducting fluid based on the electromotive force induced when the conducting fluid passes through external magnetic field by means of electromagnetic induction principle. The structure of the electromagnetic flowmeter mainly comprises a magnetic circuit system, a measuring conduit, an electrode, a shell, a lining, a converter and the like.

Underground pipe distribution range among the prior art is extremely extensive, when detecting the control to the flow in the underground pipe, need install through the electromagnetic flowmeter and detect, but traditional electromagnetic flowmeter self protective capability is more weak, in case the ageing seepage appears in the underground pipe network, groundwater will directly enter into the inside corruption to it of electromagnetic flowmeter, makes electromagnetic flowmeter life reduce by a wide margin, and the problem that the aforesaid appears is solved with electromagnetic flowmeter to the control of underground pipe network of now urgent need.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an underground pipe network control uses electromagnetic flowmeter to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, sealed protection is effectual, avoids the inside electrical element of electromagnetic flowmeter to receive groundwater corrosion.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an electromagnetic flowmeter for monitoring underground pipe networks comprises a sealing flange plate, an electromagnetic flowmeter main body, a sealing cover plate and a sealing protection mechanism, wherein the sealing flange plate is symmetrically welded on the left end face and the right end face of the electromagnetic flowmeter main body, the sealing cover plate is installed on the upper side of the electromagnetic flowmeter main body, the sealing protection mechanism is arranged on the outer side of the electromagnetic flowmeter main body and comprises a front protection shell, an elongated screw, a sealing frame, a transparent toughened glass sheet, a butyl rubber gasket, a butyl rubber strip, a rear protection shell, a dehumidification package, a butyl rubber sleeve and a rubber sealing gasket, the rear protection shell is attached to the rear side of the lower end face of the sealing cover plate, the dehumidification package is placed on the lower side of the inner wall of the rear protection shell, the front protection shell is attached to the front end face of the front protection shell, the transparent toughened glass sheet is bonded inside the sealing frame, the rear end face of the front protective shell is clamped with a rubber sealing gasket, the lower end face of the sealing cover plate is clamped with a butyl rubber gasket, a butyl rubber strip is clamped between the front protective shell and the rear protective shell, a lengthened screw rod is inserted into the lower side of the inner portion of the front protective shell in a penetrating mode, and a butyl rubber sleeve is clamped and sleeved on the lower side between the front protective shell and the rear protective shell.

Furthermore, the extension screw rods are inserted in two groups, the specifications of the two groups of extension screw rods are the same, and fastening nuts are meshed with the rear sides of the annular side surfaces of the two groups of extension screw rods.

Furthermore, the sealing cover plate is fixedly connected with the front protection shell and the rear protection shell through fixing screws, and the sealing frame is fixedly connected with the front protection shell through connecting screws.

Furthermore, four groups of dehumidification packages are placed, the specifications of the four groups of dehumidification packages are the same, and calcium chloride particles are filled in the four groups of dehumidification packages.

Further, the butyl rubber sleeve is of a split splicing structure, and the butyl rubber sleeve is matched with the middle position of the annular side face of the electromagnetic flowmeter main body.

Furthermore, two groups of butyl rubber strips are clamped, the specifications of the two groups of butyl rubber strips are the same, and the transparent toughened glass sheet is fixedly bonded inside the sealing frame through glass cement.

Furthermore, a single-hole rubber plug is plugged into the lower side of the rear end face of the rear protective shell.

The utility model has the advantages that: the utility model discloses an electromagnetic flowmeter is used in control of underground pipe network, because of the utility model discloses add preceding casing, extension screw rod, sealed frame, transparent toughened glass piece, butyl rubber pad, butyl rubber strip, back casing, dehumidification package, butyl rubber cover and the rubber packing pad of protecting, this design is convenient to carry out sealed protection to the electromagnetic flowmeter, has solved original electromagnetic flowmeter self protective capacities and is relatively weak, receives groundwater corrosion's problem easily, has improved the utility model discloses a sealed protection effect.

Because the two groups of the extension screws are inserted in the through holes and have the same specification, the rear sides of the annular side surfaces of the two groups of the extension screws are meshed with the fastening nuts, the design is convenient for fastening the extension screws, so that the front protective shell and the rear protective shell are spliced and fixed, because the dehumidifying bag is provided with the four groups of the extension screws and has the same specification, the dehumidifying bag of the four groups has the same specification, calcium chloride particles are filled in the dehumidifying bag of the four groups, the design improves the moisture absorption capacity of the dehumidifying bag, because the butyl rubber strips clamp the two groups of the extension screws and have the same specification, the transparent toughened glass sheet is adhered and fixed in the sealing frame through the glass cement, the two groups of the butyl rubber strips improve the sealing property between the front protective shell and the rear protective shell, the glass cement is convenient for adhering and fixing the transparent toughened glass sheet and also enables the transparent toughened glass sheet to have the waterproof capacity, the utility model, the corrosion of the electric elements in the electromagnetic flowmeter by underground water is avoided.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of an electromagnetic flowmeter for monitoring an underground pipe network according to the present invention;

fig. 2 is a front sectional view of a sealing protection mechanism in an electromagnetic flowmeter for monitoring an underground pipe network according to the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

in the figure: the device comprises a sealing flange plate 1, an electromagnetic flowmeter body 2, a sealing cover plate 3, a sealing protection mechanism 4, a front protection shell 41, a lengthened screw rod 42, a sealing frame 43, a transparent toughened glass sheet 44, a butyl rubber pad 45, a butyl rubber strip 46, a rear protection shell 47, a dehumidification bag 48, a butyl rubber sleeve 49, a rubber sealing gasket 411 and a fastening nut 421.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an underground pipe network control uses electromagnetic flowmeter, includes sealed ring flange 1, electromagnetic flowmeter main part 2, sealed apron 3 and sealed protection mechanism 4, and the terminal surface symmetry welding has sealed ring flange 1 about electromagnetic flowmeter main part 2, and sealed apron 3 is installed to 2 upsides of electromagnetic flowmeter main part, and the 2 outsides of electromagnetic flowmeter main part are provided with sealed protection mechanism 4.

The sealing protection mechanism 4 comprises a front protection shell 41, a lengthened screw rod 42, a sealing frame 43, a transparent toughened glass sheet 44, a butyl rubber pad 45, a butyl rubber strip 46, a rear protection shell 47, a dehumidifying bag 48, a butyl rubber sleeve 49 and a rubber sealing gasket 411, the rear side of the lower end face of the sealing cover plate 3 is jointed with the rear protection shell 47, the dehumidifying bag 48 is placed on the lower side of the inner wall of the rear protection shell 47, the front side of the lower end face of the sealing cover plate 3 is jointed with the front protection shell 41, the sealing frame 43 is installed on the front end face of the front protection shell 41, the transparent toughened glass sheet 44 is adhered inside the sealing frame 43, the rubber sealing gasket 411 is clamped on the rear end face of the front protection shell 41, the butyl rubber pad 45 is clamped on the lower end face of the sealing cover plate 3, the butyl rubber strip 46 is clamped between the front protection shell 41 and the rear protection shell 47, the lengthened screw rod 42 is inserted on the lower side inside the front protection shell 41, the butyl rubber, the design solves the problems that the original electromagnetic flowmeter has weaker self-protection capability and is easily corroded by underground water.

Two groups of the lengthened screw rods 42 are inserted in the through holes, the two groups of the lengthened screw rods 42 are in the same specification, the fastening nuts 421 are meshed on the rear sides of the annular side surfaces of the two groups of the lengthened screw rods 42, the lengthened screw rods 42 are fastened conveniently, the front protective shell 41 and the rear protective shell 47 are spliced and fixed, the sealing cover plate 3 is connected and fixed with the front protective shell 41 and the rear protective shell 47 through the fixing screws, the sealing frame 43 and the front protective shell 41 are connected and fixed through the connecting screws, the sealing cover plate 3 is conveniently installed and fixed on the upper end surfaces of the front protective shell 41 and the rear protective shell 47 through the fixing screws, the sealing frame 43 is conveniently installed and fixed on the front end surface of the front protective shell 41 through the connecting screws, four groups of the dehumidifying packs 48 are placed, the specifications of the four groups of the dehumidifying packs 48 are in the four groups, calcium chloride particles are filled in the four groups of the dehumidifying packs 48, and.

Butyl rubber cover 49 is components of a whole that can function independently mosaic structure,

butyl rubber cover

49 and 2 annular side intermediate position phase-matchs of electromagnetic flow meter main part, this design has improved the leakproofness of terminal surface down between preceding protective housing 41 and the back protective housing 47, butyl rubber strip 46 clamps has two sets ofly, and two sets of butyl rubber strip 46 specifications are the same, transparent toughened glass piece 44 bonds through glass cement and fixes inside sealed frame 43, two sets of butyl rubber strip 46 have improved the leakproofness between preceding protective housing 41 and the back protective housing 47, glass cement is convenient to bond fixedly transparent toughened glass piece 44, and also make transparent toughened glass piece 44 possess waterproof ability, the unilateral rubber buffer has been filled in to back protective housing 47 rear end face downside, this design makes things convenient for the wire to alternate and carries out electric connection with electromagnetic flow meter main part 2.

As an embodiment of the present invention: firstly, the front protection shell 41 and the rear protection shell 47 are spliced and clamped at the designated position outside the electromagnetic flowmeter main body 2, then the lengthened screw rod 42 is inserted at the lower side inside the front protection shell 41 and the rear protection shell 47 and the fastening nut 421 is screwed, so that the front protection shell 41 and the rear protection shell 47 are fixed, at the moment, the butyl rubber sleeve 49 is tightly attached to the middle position of the annular side surface of the electromagnetic flowmeter main body 2, the situation that underground water enters from the gap between the front protection shell 41 and the electromagnetic flowmeter main body 2 and the gap between the front protection shell 41 and the rear protection shell 47 are avoided, the two groups of butyl rubber strips 46 seal the gap between the front protection shell 41 and the rear protection shell 47, then the sealing frame 43 is arranged and fixed at the designated position on the front end surface of the front protection shell 41, finally the sealing cover plate 3 is arranged and fixed on the upper end surfaces of the front protection shell 41 and the rear protection shell 47, and the sealing performance between the sealing cover plate 3 and the front protection shell 41 and the rear protection shell 47 is, the rubber sealing gasket 411 enables the sealing between the sealing frame 43 and the front protective shell 41 to be better, and in the daily use process of the electromagnetic flowmeter main body 2, a worker can view the numerical value displayed by the flow of the electromagnetic flowmeter main body 2 only by penetrating the transparent toughened glass sheet 44.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an underground pipe network control uses electromagnetic flowmeter, includes sealed ring flange, electromagnetic flowmeter main part, sealed apron and sealed protection mechanism, its characterized in that: sealing flange plates are symmetrically welded on the left end face and the right end face of the electromagnetic flowmeter main body, a sealing cover plate is mounted on the upper side of the electromagnetic flowmeter main body, and a sealing protection mechanism is arranged on the outer side of the electromagnetic flowmeter main body;

the sealing protection mechanism comprises a front protection shell, a lengthened screw rod, a sealing frame, a transparent toughened glass sheet, a butyl rubber pad, a butyl rubber strip, a rear protection shell, a dehumidifying bag, a butyl rubber sleeve and a rubber sealing pad, wherein the rear protection shell is attached to the rear side of the lower end face of the sealing cover plate, the dehumidifying bag is placed on the lower side of the inner wall of the rear protection shell, the front protection shell is attached to the front side of the lower end face of the sealing cover plate, the sealing frame is installed on the front end face of the front protection shell, the transparent toughened glass sheet is bonded inside the sealing frame, the rubber sealing pad is clamped on the rear end face of the front protection shell, the butyl rubber pad is clamped on the lower end face of the sealing cover plate, the butyl rubber strip is clamped between the front protection shell and the rear protection shell, the lengthened screw rod is inserted in the lower side of the inner portion of the front protection shell, and the butyl rubber sleeve is.

2. The electromagnetic flowmeter for underground pipe network monitoring of claim 1, wherein: two groups of the lengthening screws are inserted in the same way, the specifications of the two groups of the lengthening screws are the same, and fastening nuts are meshed with the rear sides of the annular side surfaces of the two groups of the lengthening screws.

3. The electromagnetic flowmeter for underground pipe network monitoring of claim 1, wherein: the sealing cover plate is fixedly connected with the front protection shell and the rear protection shell through fixing screws, and the sealing frame is fixedly connected with the front protection shell through connecting screws.

4. The electromagnetic flowmeter for underground pipe network monitoring of claim 1, wherein: four groups of dehumidification packages are placed, the specifications of the four groups of dehumidification packages are the same, and calcium chloride particles are filled in the four groups of dehumidification packages.

5. The electromagnetic flowmeter for underground pipe network monitoring of claim 1, wherein: the butyl rubber sleeve is of a split splicing structure and is matched with the middle position of the annular side face of the electromagnetic flowmeter main body.

6. The electromagnetic flowmeter for underground pipe network monitoring of claim 1, wherein: the butyl rubber strips are clamped in two groups, the specifications of the two groups of butyl rubber strips are the same, and the transparent toughened glass sheet is fixedly bonded inside the sealing frame through glass cement.

7. The electromagnetic flowmeter for underground pipe network monitoring of claim 1, wherein: and a single-hole rubber plug is plugged into the lower side of the rear end surface of the rear protection shell.