CN109253762A - A kind of precision maintenance device of sanitary sewage flowmeter - Google Patents
A kind of precision maintenance device of sanitary sewage flowmeter Download PDFInfo
- Publication number
- CN109253762A CN109253762A CN201811127113.2A CN201811127113A CN109253762A CN 109253762 A CN109253762 A CN 109253762A CN 201811127113 A CN201811127113 A CN 201811127113A CN 109253762 A CN109253762 A CN 109253762A
- Authority
- CN
- China
- Prior art keywords
- maintenance
- detection bar
- flow detection
- maintenance device
- sanitary sewage
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
- G01F1/3209—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters using Karman vortices
Abstract
The present invention relates to a kind of precision maintenance devices of sanitary sewage flowmeter, its structure includes: instrument board, support column, connecting pipe, mounting flange, protective lining, measure pipeline, the lower end of instrument board is connected by welding with the top of support column, the lower end insertion of support column is installed on the upper end of the middle section of connecting pipe, it is mutually welded with mounting flange at the both ends of connecting pipe, connecting pipe, which is internally embedded, is equipped with protective lining, pass through the surface maintenance to maintenance brush to flow detection bar, exclude the dirt attachment on flow detection bar surface with dirty medium, it is set to reply original external size, the deformation for reducing the Karman vortex street that water flow is formed when measuring and impacting flow detection bar in pipeline influences, make the Reynolds number of Karman vortex street rise and fall to tend towards stability, to reduce the external change in size of detection bar to flow detection The influence of precision keeps flowmeter more accurate for the flow measurement of sanitary sewage.
Description
Technical field
The present invention is to be related to sanitary sewage field for a kind of precision maintenance device of sanitary sewage flowmeter.
Background technique
Flowmeter is divided into fluid flowmeter and gas flowmeter by medium, and sanitary sewage flow is calculated as fluid flowmeter, benefit
Opposite, queueing discipline the dual-array line volute of the direction of rotation out of periodically falling off generated with water impact detection bar at card
The Reynolds number of door vortex street carries out sensing detection, to obtain the fluid total volume in certain time.
But when measuring sanitary sewage, dirty medium and dirt in sewage easily wind and are attached in detection bar,
Change the external size of detection bar, so that influencing the global shape of the Karman vortex street of water impact detection bar generation leads to karman vortex
The Reynolds number in street is deviated, and causes extreme influence to measurement accuracy.
Therefore need to propose a kind of precision maintenance device of sanitary sewage flowmeter.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of precision maintenance device of sanitary sewage flowmeter, pass through
Cleaning is carried out to the dirty medium in the surface of detection bar and dirt attachment, so that original external size of detection bar is kept,
It solves to change the offset issue generated because of external size.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of precision of sanitary sewage flowmeter safeguards dress
It sets, structure includes: instrument board, support column, connecting pipe, mounting flange, protective lining, measures pipeline, the instrument board
Lower end is connected by welding with the top of support column, and the lower end insertion of the support column is installed in connecting pipe
Between part upper end, the both ends of the connecting pipe mutually weld with mounting flange, the connecting pipe be internally embedded be equipped with it is anti-
Liner is protected, the protective lining is integrated with measurement pipeline.
As preferred embodiments of the present invention, the support column include micromotor, transfer, thread spindle, maintenance device,
Flow detection bar, the lower end insertion of the micromotor are installed on the right side upper end of transfer, the lower end of the transfer
It is rotatablely connected with the top of thread spindle, the thread spindle is threadedly coupled with the right end of maintenance device, the left end of the maintenance device
It is nested with the lower half portion of flow detection bar.
As preferred embodiments of the present invention, the maintenance device includes thread bush, driving wheel, rotation circle, safeguards brush, described
The right end of thread bush and the same center of thread spindle, the thread bush inside and driving wheel is nested, and on the left of the driving wheel and revolves
The inside of the right side rotation connection turn-taked, the rotation circle is installed with maintenance brush and is connected by way of nested, described
Maintenance brush inside and the outer surface of flow detection bar fit, and the maintenance device passes through unique polymorphic structure, and effective use comes
It is moved from the power of thread spindle on the surface of flow detection bar, so that maintenance brush be promoted to tie up the surface of flow detection bar
Shield safeguards maintenance brush more comprehensively.
As preferred embodiments of the present invention, the maintenance brush includes maintenance brush pedestal, cleaning scraping block, scrubs bristle, described
The right side insertion of maintenance brush pedestal is installed on the left end of cleaning scraping block, the right side of the maintenance brush pedestal and the head end of scrub bristle
It is fixedly connected, the cleaning scraping block and scrub bristle are in same plane, and the maintenance brush passes through transverse plane thereon, lower end crescent moon
The structure of tooth carries out efficient cleaning and maintenance to the surface of flow detection bar using the cleaning scraping block and scrub bristle of plane, matches
The dirty medium cleaned up and dirt attachment are effectively discharged from maintenance device lower end the moon tooth structure for closing lower end, mention
Clean level inside higher-dimension protection unit.
As preferred embodiments of the present invention, described includes that thread spindle is parallel with flow detection bar, the end of the thread spindle
End insertion is installed on inside protective lining, and the screw thread the tip of the axis is fixedly connected with measurement pipeline.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of precision maintenance device of sanitary sewage flowmeter, have following
The utility model has the advantages that
1. by maintenance brush to the surface maintenance of flow detection bar, is made the dirt attachment on flow detection bar surface with it is dirty
Dirty medium is excluded, it is made to reply original external size, reduces water flow shape when measuring impact flow detection bar in pipeline
At Karman vortex street deformation influence, make Karman vortex street Reynolds number rise and fall tend towards stability, to reduce the external ruler of detection bar
Influence of the very little variation to flow detection accuracy, keeps flowmeter more accurate for the flow measurement of sanitary sewage.
2. making it when flow detection bar surface is mobile by the uniqueness abnormity design of maintenance device, allowing maintenance to brush interior
Portion is more bonded flow detection bar, allows the cleaning scraping block for safeguarding brush interior surface and scrub bristle by flow detection bar surface
Dirt attachment and the cleaning of dirty medium it is more thorough, make the original size of flow detection bar reply, reduce Reynolds number
Fluctuations improve the accuracy of flow measurement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the precision maintenance device of sanitary sewage flowmeter of the present invention.
Fig. 2 is a kind of cross-sectional view of the structure of the precision maintenance device of sanitary sewage flowmeter of the present invention.
Fig. 3 is a kind of overlooking structure diagram of maintenance device of the present invention.
Fig. 4 is a kind of cross-sectional view of the structure of maintenance device of the present invention.
Fig. 5 is a kind of structural schematic diagram of maintenance brush of the present invention.
Description of symbols: instrument board -1, support column -2, connecting pipe -3, mounting flange -4, protective lining -5, measurement
Pipeline -6, micromotor -21, transfer -22, thread spindle -23, maintenance device -24, flow detection bar -25, thread bush -
241, driving wheel -242, rotation circle -243, maintenance brush -244, maintenance brush pedestal -2441, cleaning scraping block -2442, scrub bristle -
2443。
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1-Fig. 5 is please referred to, the present invention provides a kind of precision maintenance device of sanitary sewage flowmeter, and structure includes:
Instrument board 1, support column 2, connecting pipe 3, mounting flange 4, protective lining 5, measurement pipeline 6, the lower end of the instrument board 1 and branch
The top of dagger 2 is connected by welding, and the lower end insertion of the support column 2 is installed on the middle part of connecting pipe 3
The upper end divided, the both ends of the connecting pipe 3 and 4 phase of mounting flange are welded, and the connecting pipe 3, which is internally embedded, is equipped with protection
Liner 5, the protective lining 5 are integrated with measurement pipeline 6.
The support column 2 includes micromotor 21, transfer 22, thread spindle 23, maintenance device 24, flow detection bar
25, the insertion of the lower end of the micromotor 21 is installed on the right side upper end of transfer 22, the lower end of the transfer 22 with
The top of thread spindle 23 is rotatablely connected, and the thread spindle 23 is threadedly coupled with the right end of maintenance device 24, the maintenance device 24
Left end and the lower half portion of flow detection bar 25 be nested.
The maintenance device 24 includes thread bush 241, driving wheel 242, rotation circle 243, maintenance brush 244, the thread bush
241 are nested with the same center of thread spindle 23,241 inside of thread bush and the right end of driving wheel 242, the driving wheel 242
Left side and the right side of rotation circle 243 are rotatablely connected, and the inside of the rotation circle 243 is installed with maintenance brush 244 and passes through nesting
Mode be connected, 244 inside of maintenance brush and the outer surface of flow detection bar 25 fit, and the maintenance device 24 passes through
Unique polymorphic structure, power of the effective use from thread spindle 23 is moved on the surface of flow detection bar 25, to promote
The surface maintenance of maintenance 244 pairs of flow detection bars 25 of brush, safeguards maintenance brush 244 more comprehensively, passes through thread spindle 23
Auxiliary, allow maintenance device 24 to pump on the surface of flow detection bar 25, effectively mediate flow detection bar 25
Surface contaminants, be discharged with by the dirt mediated, make flow detection bar 25 surface keep neat and tidy.
The maintenance brush 244 includes maintenance brush pedestal 2441, cleaning scraping block 2442, scrub bristle 2443, the maintenance brush
The right side insertion of pedestal 2441 is installed on the left end of cleaning scraping block 2442, the right side of the maintenance brush pedestal 2441 and scrub bristle
2443 head end is fixedly connected, and the cleaning scraping block 2442 is in same plane with scrub bristle 2443, and the maintenance brush 244 is logical
Cross transverse plane thereon, the structure of lower end month tooth, using the cleaning scraping block 2442 and scrub bristle 2443 of plane to flow detection
The surface of bar 25 carries out efficient cleaning and maintenance, cooperates the moon tooth structure of lower end that the dirty medium cleaned up and dirt is attached
Object effectively from 24 lower end of maintenance device be discharged, improve 24 inside clean level of maintenance device, pass through maintenance brush 244 pairs of flows
The surface of detection bar 25 carries out efficient cleaning and maintenance, and flow detection bar 25 is made to reply original external size, reduces water flow punching
The deformation of the Karman vortex street formed when hitting makes the Reynolds number of Karman vortex street tend towards stability, to reduce the external size of detection bar
Influence to detection accuracy.
Described includes that thread spindle 23 is parallel with flow detection bar 25, and the end insertion of the thread spindle 23 is installed on protection
Inside liner 5, the end of the thread spindle 23 is fixedly connected with measurement pipeline 6.
Its working principle is that: when flowmeter stops measuring, instrument board 1 starts micromotor 21 by electrical control lines, makes micro-
Type motor 21 drives transfer 22 that thread spindle 23 is driven to be rotated, and under the transmission of driving wheel 242, rotation circle 243 is made to exist
The outer surface of flow detection bar 25 is rotated, so as to prepare the 244 pairs of flow detections of maintenance brush for allowing 243 inside of rotation circle to install
Bar 25 is safeguarded, by the maintenance brush 244 of inside and being bonded for 25 outer surface of flow detection bar when rotation circle 243 rotates, is made
The cleaning scraping block 2442 of maintenance 244 planes of brush scrapes the dirt attachment strength on 25 surface of flow detection bar, adheres to dirt
Object is detached from the surface of flow detection bar 25, and scrubs bristle 2443 and then carry out the dirty medium for winding 25 surface of flow detection bar
It excludes, it is made to reply original external size, the deformation of the Karman vortex street formed when reducing water impact makes the thunder of Karman vortex street
Promise number tends towards stability, to reduce influence of the external size of detection bar to detection accuracy, cooperates moon tooth structure, fills maintenance
It sets 24 and dirt attachment and dirty medium is enclosed into 243 lower parts from rotation along the bottom that thread spindle 23 drops to flow detection bar 25
Discharge completes the maintenance to flow detection bar 25, then homing, waits for maintenance next time quietly, reduces the measurement of flow machine
Accuracy error.
By the surface maintenance to maintenance 244 pairs of flow detection bars 25 of brush, adhere to the dirt on 25 surface of flow detection bar
Object is excluded with dirty medium, it is made to reply original external size, is reduced water flow and is impacted flow detection in measurement pipeline 6
The deformation of the Karman vortex street formed when bar 25 influences, and so that the Reynolds number of Karman vortex street is risen and fallen and tends towards stability, to reduce detection bar
Influence of the external change in size to flow detection accuracy, keep flowmeter more accurate for the flow measurement of sanitary sewage；It is logical
The unique abnormity design for crossing maintenance device 24, makes it when 25 surface of flow detection bar is mobile, allows and safeguard the inside for brushing 244 more
It is bonded flow detection bar 25, examines the cleaning scraping block 2442 of maintenance 244 interior surfaces of brush by flow with scrub bristle 2443
The dirt attachment on 25 surface of measuring staff is more thorough with the cleaning of dirty medium, and flow detection bar 25 is made to reply original size,
The fluctuations for reducing Reynolds number, improve the accuracy of flow measurement.
Specific embodiment described herein is only to give an example to the present invention.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of precision maintenance device of sanitary sewage flowmeter, structure includes: instrument board (1), support column (2), connecting tube
Road (3), mounting flange (4), protective lining (5), measurement pipeline (6), it is characterised in that: the lower end of the instrument board (1) and branch
The top of dagger (2) is connected by welding, and the lower end insertion of the support column (2) is installed on connecting pipe (3)
The upper end of middle section, both ends and the mounting flange (4) of the connecting pipe (3) mutually weld, and the connecting pipe (3) is internal embedding
Enter to be equipped with protective lining (5), the protective lining (5) is integrated with measurement pipeline (6).
2. a kind of precision maintenance device of sanitary sewage flowmeter according to claim 1, it is characterised in that: the support
Column (2) includes micromotor (21), transfer (22), thread spindle (23), maintenance device (24), flow detection bar (25), institute
The lower end insertion for stating micromotor (21) is installed on the right side upper end of transfer (22), the lower end of the transfer (22) with
The top of thread spindle (23) is rotatablely connected, and the thread spindle (23) is threadedly coupled with the right end of maintenance device (24), the maintenance
The left end of device (24) and the lower half portion of flow detection bar (25) are nested.
3. a kind of precision maintenance device of sanitary sewage flowmeter according to claim 2, it is characterised in that: the maintenance
Device (24) include thread bush (241), driving wheel (242), rotation circle (243), maintenance brush (244), the thread bush (241) with
Thread spindle (23) same center, the internal right end with driving wheel (242) of the thread bush (241) are nested, the driving wheel
(242) left side and the right side of rotation circle (243) are rotatablely connected, and the inside of the rotation circle (243) is installed with maintenance brush (244) simultaneously
And be connected by way of nested, it fits on the inside of the maintenance brush (244) with the outer surface of flow detection bar (25).
4. a kind of precision maintenance device of sanitary sewage flowmeter according to claim 3, it is characterised in that: the maintenance
Brushing (244) includes maintenance brush pedestal (2441), cleaning scraping block (2442), scrub bristle (2443), the maintenance brush pedestal
(2441) right side insertion is installed on the left end of cleaning scraping block (2442), and the right side of maintenance brush pedestal (2441) and scrub are rigid
The head end of hair (2443) is fixedly connected, and the cleaning scraping block (2442) and scrub bristle (2443) are in same plane.
5. a kind of precision maintenance device of sanitary sewage flowmeter according to claim 2, it is characterised in that: described to include
Thread spindle (23) is parallel with flow detection bar (25), and the end insertion of the thread spindle (23) is installed in protective lining (5)
The end in portion, the thread spindle (23) is fixedly connected with measurement pipeline (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127113.2A CN109253762A (en) | 2018-09-27 | 2018-09-27 | A kind of precision maintenance device of sanitary sewage flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127113.2A CN109253762A (en) | 2018-09-27 | 2018-09-27 | A kind of precision maintenance device of sanitary sewage flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253762A true CN109253762A (en) | 2019-01-22 |
Family
ID=65047902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811127113.2A Withdrawn CN109253762A (en) | 2018-09-27 | 2018-09-27 | A kind of precision maintenance device of sanitary sewage flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253762A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103023A (en) * | 2020-01-06 | 2020-05-05 | 黄有寿 | Flow instrument with connector mud dirt cleaning and cavitation-erosion-prevention blasting protection |
-
2018
- 2018-09-27 CN CN201811127113.2A patent/CN109253762A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103023A (en) * | 2020-01-06 | 2020-05-05 | 黄有寿 | Flow instrument with connector mud dirt cleaning and cavitation-erosion-prevention blasting protection |
| CN111103023B (en) * | 2020-01-06 | 2021-07-09 | 泉州市纳辰机械科技有限公司 | Flow instrument with connector mud dirt cleaning and cavitation-erosion-prevention blasting protection |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190122 |