CN105021233A - Metering apparatus structure capable of prolong life of flowmeter - Google Patents

Metering apparatus structure capable of prolong life of flowmeter Download PDF

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Publication number
CN105021233A
CN105021233A CN201510405741.2A CN201510405741A CN105021233A CN 105021233 A CN105021233 A CN 105021233A CN 201510405741 A CN201510405741 A CN 201510405741A CN 105021233 A CN105021233 A CN 105021233A
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CN
China
Prior art keywords
impeller
apparatus structure
straight length
flowmeter
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510405741.2A
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Chinese (zh)
Inventor
吕忠贵
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Chengdu Guoguang Electronic Instrument Co Ltd
Original Assignee
Chengdu Guoguang Electronic Instrument Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Chengdu Guoguang Electronic Instrument Co Ltd filed Critical Chengdu Guoguang Electronic Instrument Co Ltd
Priority to CN201510405741.2A priority Critical patent/CN105021233A/en
Publication of CN105021233A publication Critical patent/CN105021233A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a metering apparatus structure capable of prolong life of a flowmeter. The metering apparatus structure comprises a straight tube segment, an induction coil fixed on the tube pipe of the straight tube segment, a permanent magnet arranged on the axis of the induction coil and more than one impeller arranged in the circulation space of the straight tube segment, the axes of the impellers are collinear, the impellers are fixed on the same impeller shaft, the impellers and the impeller shaft are made of aluminum alloys, the front ends of the impellers are also provided with filters, the metering apparatus structure further comprises two guide shells fixed in the straight tube segment, the two guide shells are respectively disposed at the front ends and the rear ends of the impellers, and the two ends of each impeller are respectively connected with the two guide shells through bearings. The metering apparatus structure is simple in structure, long in service life and high in measuring precision and sensitivity, and at the same time, is conveniently installed on a pipeline.

Description

A kind of measuring apparatus structure extending the flowmeter life-span
Technical field
The present invention relates to fluid-transferring pipe piece apparatus field, particularly relate to a kind of measuring apparatus structure extending the flowmeter life-span.
Background technology
Electronic type monitoring equipment is widely used in fluid delivery tube wire system, because it is compared to mechanical type metering outfit, can conveniently realize the advantages such as teletransmission, volume is little, plant maintenance is easy, be widely used in the daily life of people and commercial production: as city tap-water, gas distributing system system; Industrial fluids delivery line system etc.
Gas turbine meter is more suitable for the larger occasion of fluctuations in discharge amplitude compared with differential pressure flowmeter, and its wider range ratio can reduce measuring tube diameter again to a certain extent, reduces investment.Along with the development of gas metering technology and the raising to rock gas trade, handing-over measuring requirement, gas turbine meter will progressively be used in natural gas flow measuring.Simultaneously because the density of rock gas is less, how simplifying the structure of turbo flow meter further, simplify the installation of turbo flow meter and the further sensitivity improving turbo flow meter, is the important topic in the research and development of existing turbo flow meter.
Summary of the invention
Less for the above-mentioned density due to rock gas, how to simplify the structure of turbo flow meter further, simplify the installation of turbo flow meter and the further sensitivity improving turbo flow meter, be the problem of the important topic in the research and development of existing turbo flow meter, the invention provides a kind of measuring apparatus structure extending the flowmeter life-span.
For the problems referred to above, a kind of measuring apparatus structure extending the flowmeter life-span provided by the invention reaches goal of the invention by following technical essential: a kind of measuring apparatus structure extending the flowmeter life-span, comprise straight length, be fixed on the inductive coil on straight length tube wall, the impeller being arranged at the permanent magnet on inductive coil axis and being arranged in straight length free air space, more than one of described impeller, and the equal conllinear of the axis of impeller, impeller is all fixed on same impeller axle, and the material of impeller and impeller axle is aluminium alloy, the front end of impeller is also provided with filtrator, also comprise two guide shells be fixed in straight length, two guide shells lay respectively at the front-end and back-end of impeller axle, the two ends of described impeller axle are all connected with two guide shells respectively by bearing.
Concrete, in above structure, the guide shell arranged is used for the water conservancy diversion of rock gas when flowing through straight length, the front-end and back-end of impeller all arrange the version of guide shell, the space constraint being used for rock gas circulation can be formed in the front-end and back-end of impeller, to change the velocity flow profile deformity of rock gas on straight length cross section and rotating flow as much as possible, finally reach the object improving flow measurement accuracy of measurement; Meanwhile, by being all fixed on guide shell at the two ends of impeller, being conducive to impeller washes away upper/lower positions stability at rock gas, being also conducive to the measuring accuracy improving flowmeter; Meanwhile, guide shell and impeller are all arranged on the structural design in straight-run of pipe section, are convenient to the installation of turbine meter, adopt the set-up mode of more than one of impeller quantity, are conducive to improving sensitivity of the present invention; In the present invention, to the further restriction of impeller material, when being content with very little impeller intensity, not only realize the lightweight of also impeller, be conducive to optimizing the stressed of bearing, make impeller also have good shock resistance and corrosion resistance, the characteristic of above impeller is conducive to extending serviceable life of the present invention simultaneously.
Further technical scheme is:
As a kind of embodiment being conducive to measuring accuracy of the present invention, the axis of described impeller and the axis collinear of straight length.
Be conducive to measuring accuracy of the present invention as a kind of and be convenient to the embodiment of processing and manufacturing, described guide shell cylindrically or coniform, and the axis collinear of the axis of guide shell and straight length.
As a kind of technical scheme extending bearing serviceable life, described bearing is sealed bearing.
For ease of the connection of the present invention and pipeline, the two ends of described straight length are provided with joint flange.
The for the benefit of security of natural gas line, as the encapsulation scheme that a kind of static seal is effective, described joint flange is provided with sealing surface, described sealing surface is tongue and groove.
The present invention has following beneficial effect:
Structure of the present invention is simple, the guide shell arranged is used for the water conservancy diversion of rock gas when flowing through straight length, the front-end and back-end of impeller all arrange the version of guide shell, the space constraint being used for rock gas circulation can be formed in the front-end and back-end of impeller, to change the velocity flow profile deformity of rock gas on straight length cross section and rotating flow as much as possible, finally reach the object improving flow measurement accuracy of measurement; Meanwhile, by being all fixed on guide shell at the two ends of impeller, being conducive to impeller washes away upper/lower positions stability at rock gas, being also conducive to the measuring accuracy improving flowmeter; Meanwhile, guide shell and impeller are all arranged on the structural design in straight-run of pipe section, are convenient to the installation of turbine meter, adopt the set-up mode of more than one of impeller quantity, are conducive to improving sensitivity of the present invention; In the present invention, to the further restriction of impeller material, when being content with very little impeller intensity, not only realize the lightweight of also impeller, be conducive to optimizing the stressed of bearing, make impeller also have good shock resistance and corrosion resistance, the characteristic of above impeller is conducive to extending serviceable life of the present invention simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation extending a measuring apparatus structure specific embodiment in flowmeter life-span of the present invention.
Label shown in accompanying drawing is respectively: 1, guide shell, and 2, straight length, 3, impeller, 4, permanent magnet, 5, inductive coil, 6, bearing, 7, joint flange.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As shown in Figure 1, a kind of measuring apparatus structure extending the flowmeter life-span, comprise straight length 2, be fixed on the inductive coil 5 on straight length 2 tube wall, the impeller 3 being arranged at the permanent magnet 4 on inductive coil 5 axis and being arranged in straight length 2 free air space, more than one of described impeller 3, and the equal conllinear of the axis of impeller 3, impeller 3 is all fixed on same impeller axle, and the material of impeller 3 and impeller axle is aluminium alloy, the front end of impeller 3 is also provided with filtrator, also comprise two guide shells 1 be fixed in straight length 2, two guide shells 1 lay respectively at the front-end and back-end of impeller axle, the two ends of described impeller axle are all connected with two guide shells 1 respectively by bearing 6.
In the present embodiment, the guide shell 1 arranged is for the water conservancy diversion of rock gas when flowing through straight length 2, the front-end and back-end of impeller 3 all arrange the version of guide shell 1, the space constraint being used for rock gas circulation can be formed in the front-end and back-end of impeller 3, to change the velocity flow profile deformity of rock gas on straight length 2 cross section and rotating flow as much as possible, finally reach the object improving flow measurement accuracy of measurement; Meanwhile, by being all fixed on guide shell 1 at the two ends of impeller 3, being conducive to impeller 3 washes away upper/lower positions stability at rock gas, being also conducive to the measuring accuracy improving flowmeter; Meanwhile, guide shell 1 and impeller 3 are all arranged on the structural design in straight-run of pipe section 2, are convenient to the installation of turbine meter, adopt the set-up mode of more than one of impeller 3 quantity, are conducive to improving sensitivity of the present invention; In the present invention, to the further restriction of impeller 3 material, when being content with very little impeller 3 intensity, not only realize the lightweight of also impeller 3, be conducive to optimizing the stressed of bearing 6, make impeller 3 also have good shock resistance and corrosion resistance, the characteristic of above impeller 3 is conducive to extending serviceable life of the present invention simultaneously, and the filtrator of setting is also intended to improve sensitivity of the present invention and serviceable life further.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1, as a kind of embodiment being conducive to measuring accuracy of the present invention, and the axis of described impeller 3 and the axis collinear of straight length 2.
Be conducive to measuring accuracy of the present invention as a kind of and be convenient to the embodiment of processing and manufacturing, described guide shell 1 cylindrically or coniform, and the axis collinear of the axis of guide shell 1 and straight length 2.
As a kind of technical scheme extending bearing 6 serviceable life, described bearing 6 is sealed bearing.
For ease of the connection of the present invention and pipeline, the two ends of described straight length 2 are provided with joint flange 7.
The for the benefit of security of natural gas line, as the encapsulation scheme that a kind of static seal is effective, described joint flange 7 is provided with sealing surface, described sealing surface is tongue and groove.
Above content is the further description done the present invention in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.

Claims (6)

1. one kind can extend the measuring apparatus structure in flowmeter life-span, comprise straight length (2), be fixed on the inductive coil (5) on straight length (2) tube wall, the impeller (3) being arranged at the permanent magnet (4) on inductive coil (5) axis and being arranged in straight length (2) free air space, it is characterized in that, more than one of described impeller (3), and the equal conllinear of axis of impeller (3), impeller (3) is all fixed on same impeller axle, and the material of impeller (3) and impeller axle is aluminium alloy, the front end of impeller (3) is also provided with filtrator, also comprise two guide shells (1) of being fixed in straight length (2), two guide shells (1) lay respectively at the front-end and back-end of impeller axle, the two ends of described impeller axle are all connected with two guide shells (1) respectively by bearing (6).
2. a kind of measuring apparatus structure extending the flowmeter life-span according to claim 1, is characterized in that, the axis of described impeller (3) and the axis collinear of straight length (2).
3. a kind of measuring apparatus structure extending the flowmeter life-span according to claim 1, is characterized in that, described guide shell (1) cylindrically or coniform, and the axis collinear of the axis of guide shell (1) and straight length (2).
4. a kind of measuring apparatus structure extending the flowmeter life-span according to claim 1, it is characterized in that, described bearing (6) is sealed bearing.
5. a kind of measuring apparatus structure extending the flowmeter life-span according to claim 1, is characterized in that, the two ends of described straight length (2) are provided with joint flange (7).
6. a kind of measuring apparatus structure extending the flowmeter life-span according to claim 5, it is characterized in that, (7) are provided with sealing surface with described joint flange, and described sealing surface is tongue and groove.
CN201510405741.2A 2015-07-13 2015-07-13 Metering apparatus structure capable of prolong life of flowmeter Pending CN105021233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510405741.2A CN105021233A (en) 2015-07-13 2015-07-13 Metering apparatus structure capable of prolong life of flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510405741.2A CN105021233A (en) 2015-07-13 2015-07-13 Metering apparatus structure capable of prolong life of flowmeter

Publications (1)

Publication Number Publication Date
CN105021233A true CN105021233A (en) 2015-11-04

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2283235Y (en) * 1996-07-30 1998-06-03 朱善梁 Impeller sensing flowmeter
JP2000298044A (en) * 1999-04-13 2000-10-24 Fukuda Sangyo:Kk Breathing flowrate and flow velocity measuring device
CN203177899U (en) * 2013-04-08 2013-09-04 成都赛腾自动化工程有限公司 Novel turbine flowmeter
CN203203630U (en) * 2013-04-26 2013-09-18 湖北银利来容器有限公司 Vehicle-mounted fuel oil consumption precise metering device
CN104374437A (en) * 2014-11-18 2015-02-25 常州市立威刀具有限公司 Turbine flowmeter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2283235Y (en) * 1996-07-30 1998-06-03 朱善梁 Impeller sensing flowmeter
JP2000298044A (en) * 1999-04-13 2000-10-24 Fukuda Sangyo:Kk Breathing flowrate and flow velocity measuring device
CN203177899U (en) * 2013-04-08 2013-09-04 成都赛腾自动化工程有限公司 Novel turbine flowmeter
CN203203630U (en) * 2013-04-26 2013-09-18 湖北银利来容器有限公司 Vehicle-mounted fuel oil consumption precise metering device
CN104374437A (en) * 2014-11-18 2015-02-25 常州市立威刀具有限公司 Turbine flowmeter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《工业自动化仪表与系统手册》编辑委员会: "《工业自动化仪表与系统手册.上册》", 31 August 2008, 中国电力出版社 *

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Application publication date: 20151104