CN113218459B - Flowmeter for measuring flow rate - Google Patents
Flowmeter for measuring flow rate Download PDFInfo
- Publication number
- CN113218459B CN113218459B CN202110390176.2A CN202110390176A CN113218459B CN 113218459 B CN113218459 B CN 113218459B CN 202110390176 A CN202110390176 A CN 202110390176A CN 113218459 B CN113218459 B CN 113218459B
- Authority
- CN
- China
- Prior art keywords
- impeller
- shell
- rotating shaft
- control rod
- shaft
- 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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Links
- 238000004140 cleaning Methods 0.000 claims abstract description 32
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008676 import Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- G01F1/28—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 by drag-force, e.g. vane type or impact flowmeter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
Abstract
The invention relates to a flowmeter, which comprises a shell, a rotating shaft arranged in the shell, an impeller fixedly connected to the rotating shaft and a magnetic sensor arranged on the shell, wherein a first spiral surface is arranged on the right end surface of the impeller, a sliding groove communicated with the inside of the shell is formed in the outer side surface of the shell, a supporting seat in sliding connection with the right end of the rotating shaft is fixedly connected to the right side of the shell, and the flowmeter further comprises an impeller cleaning device which is arranged in the shell and is used for cleaning the impeller. The invention has the beneficial effects that: through set up the clean groove identical with impeller shape on the axle support of import department, make the impeller can rotate into clean inslot to scrape the impurity that covers on the blade, reach the effect of clean blade, it is simple effective.
Description
Technical Field
The invention belongs to the technical field of fluid metering, and particularly relates to a flowmeter.
Background
The flowmeter is one of the large instruments in the process automation instrument and the device, is widely applied to various fields of national economy such as metallurgy, electric power, coal, chemical industry, petroleum, traffic, construction, light spinning, food, medicine, agriculture, environmental protection, daily life of people and the like, is an important tool for developing industrial and agricultural production, saving energy, improving product quality and improving economic benefit and management level, and plays an important role in national economy. Flow meters on the market generally utilize the relationship of rotational angular velocity of an impeller placed in a fluid in proportion to the fluid flow rate by measuring the rotational speed of the impeller to reflect the magnitude of the volumetric flow rate of the fluid through the conduit, the measurement of rotational speed being accomplished by a magneto-dependent sensor (including a preamplifier). However, as the turbidity of the medium measured by the flowmeter is higher, impurities are easy to remain on the blades, the rotation resistance of the impeller is increased, the measurement accuracy is affected, and impurities are easily accumulated in the cavity of the flow cavity to damage the normal use of the flowmeter, but the impurities are required to be detached from a pipeline when the flowmeter is cleaned, and the impeller is cleaned by disassembling the flowmeter, so that the steps are complicated, time and labor are wasted, and the use of the whole system is also affected; the present invention has been designed to solve the above problems.
Disclosure of Invention
Based on this, it is necessary to provide a flowmeter that can clean the impeller online in view of the above-described problems.
The invention discloses a flowmeter, which comprises a shell, a rotating shaft arranged in the shell, an impeller fixedly connected to the rotating shaft and a magneto-sensitive sensor arranged on the shell, wherein the right end face of the impeller is provided with a first spiral face, the outer side face of the shell is provided with a sliding groove communicated with the inside of the shell, the right side of the shell is fixedly connected with a supporting seat which is in sliding connection with the right end of the rotating shaft, and the flowmeter further comprises an impeller cleaning device which is arranged in the shell and used for cleaning the impeller.
In one embodiment, the impeller cleaning apparatus includes: one end of the control rod is sleeved on the rotating shaft and is in sliding connection with the rotating shaft, the other end of the control rod penetrates through the sliding groove and extends to the outer side of the shell, a positioning pin used for fixedly connecting the control rod with the shell is connected to the control rod through threads, the positioning of the control rod can be relieved by removing the positioning pin, and then the control rod can move left and right along the sliding groove; the push plate is sleeved on the rotating shaft and is respectively connected with the rotating shaft and the control rod in a rotating way, a second spiral surface which is used for being matched with the first spiral surface is arranged at one end of the push plate, which faces the impeller, a torsion spring is fixedly connected between the push plate and the control rod, the push plate can be driven to move leftwards by pushing the control rod leftwards, the second spiral surface is matched with the first spiral surface, and the impeller is driven to rotate for a certain angle until the second spiral surface and the first spiral surface are completely overlapped; the shaft support is fixedly connected to the left side of the inside of the shell and is in sliding connection with the left end of the rotating shaft, a cleaning groove matched with the blade of the impeller is formed in one side, facing the impeller, of the shaft support, a spring sleeved on the rotating shaft is arranged between the shaft support and the impeller, after the second spiral surface and the first spiral surface are completely overlapped, the blade on the impeller is right opposite to the cleaning groove, and at the moment, the control rod is pushed leftwards continuously, so that the blade on the impeller can be driven to enter the cleaning groove and the surface impurities of the blade can be scraped.
In one embodiment, the support seat is provided with a mounting hole which is rotationally connected with the rotating shaft and used for sliding the rotating shaft, and the support seat is provided with a balance hole communicated with the mounting hole.
In one embodiment, the center of the shaft support is provided with a shaft hole which is rotationally connected with the rotating shaft and used for sliding the rotating shaft.
In one embodiment, a mounting groove is formed in the shaft support and located around the shaft hole, and the left end of the spring is clamped into the mounting groove.
In one embodiment, the support seat is located inside the housing, and the left end face of the support seat and the right side wall of the chute are located on the same vertical plane.
The invention has the advantages that:
1. through set up the clean groove identical with blade shape of impeller on the axle support of import department, make the blade of impeller can rotate and enter into clean inslot to scrape the impurity that covers on the blade, reach clean blade's effect, it is simple effective.
2. By using the spiral surface positioning mode, the blade of the impeller stopped at any angle can be positioned on an angle opposite to the cleaning groove by the push plate, and when the push plate pushes the impeller to move forwards, the blade of the impeller can enter the cleaning groove.
3. The impeller is pushed to move through the control rod, and the impurities attached to the blades of the impeller are scraped by the cleaning groove, so that the flowmeter is not required to be detached when the impeller is cleaned, and the flowmeter is not required to be detached, and the purpose of online cleaning can be achieved.
Drawings
FIG. 1 is a cross-sectional view of the invention in use;
FIG. 2 is a cross-sectional view of the thrust plate of the present invention in positioning rotation of the impeller;
FIG. 3 is a cross-sectional view of the impeller of the present invention after entering the cleaning tank;
FIG. 4 is a perspective view of an impeller in accordance with the present invention;
FIG. 5 is a perspective view of a pusher plate of the present invention;
FIG. 6 is a perspective view of the bottom bracket hanger of the present invention;
FIG. 7 is a perspective view of the bottom bracket hanger of the present invention at an alternative angle;
FIG. 8 is a schematic view of the structure of the present invention when the push plate and the impeller are engaged;
FIG. 9 is a schematic view of the structure of the center shaft bracket and impeller of the present invention in alignment;
fig. 10 is a schematic view of the structure of the shaft support and impeller of the present invention after the blades enter the cleaning tank.
In the figure, a casing 1, a chute 11, a supporting seat 12, a mounting hole 121, a balance hole 122, a magneto-sensitive sensor 2, an impeller 3, a first spiral surface 31, a rotating shaft 4, a shaft bracket 5, a cleaning groove 51, a shaft hole 52, a mounting groove 53, a push plate 6, a second spiral surface 61, a torsion spring 7, a control rod 8, a positioning pin 9 and a spring 10.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
1-10, including casing 1, install in pivot 4 in the casing 1, fixed connection in impeller 3 on the pivot 4 and install in magneto sensor 2 on the casing 1, the right-hand member face of impeller 3 is provided with first helicoid 31, the lateral surface of casing 1 seted up with spout 11 of casing 1 inside intercommunication, the right side fixedly connected with of casing 1 with pivot 4 right-hand member sliding connection's supporting seat 12, the flowmeter still include impeller cleaning device, impeller cleaning device set up in the casing 1 for to the impeller 3 is cleared up, impeller cleaning device includes: one end of the control rod 8 is sleeved on the rotating shaft 4 and is in sliding connection with the rotating shaft 4, the other end of the control rod passes through the sliding groove 11 and extends to the outer side of the shell 1, a positioning pin 9 for fixedly connecting the control rod 8 with the shell 1 is connected to the control rod 8 through threads, the positioning of the control rod 8 can be released by removing the positioning pin 9, and the control rod 8 can further move left and right along the sliding groove 11; the push plate 6 is sleeved on the rotating shaft 4 and is respectively in rotary connection with the rotating shaft 4 and the control rod 8, one end of the push plate 6, which faces the impeller 3, is provided with a second spiral surface 61 for being matched with the first spiral surface 31, a torsion spring 7 is fixedly connected between the push plate 6 and the control rod 8, the push plate 6 can be driven to move leftwards by pushing the control rod 8 leftwards, the second spiral surface 61 is matched with the first spiral surface 31, and the impeller 3 is driven to rotate for a certain angle until the second spiral surface 61 and the first spiral surface 31 are completely overlapped; the shaft support 5 is fixedly connected to the left side of the inside of the shell 1 and is in sliding connection with the left end of the rotating shaft 4, a cleaning groove 51 which is matched with the blade of the impeller 3 is formed in one side of the shaft support 5, a spring 10 which is sleeved on the rotating shaft 4 is arranged between the shaft support 5 and the impeller 3, after the second spiral surface 61 and the first spiral surface 31 are completely overlapped, the blade on the impeller 3 is opposite to the cleaning groove 51, and at the moment, the control rod 8 is pushed leftwards continuously, so that the blade on the impeller 3 can be driven to enter the cleaning groove 51 and surface impurities of the blade can be scraped.
Preferably, as shown in fig. 1 and 3, the support base 12 is provided with a mounting hole 121 rotatably connected with the rotating shaft 4 and used for sliding the rotating shaft 4, and the support base 12 is provided with a balancing hole 122 communicated with the mounting hole 121.
Preferably, as shown in fig. 1 and 2, the shaft support 5 is provided with a shaft hole 52 at the center thereof, which is rotatably connected to the rotating shaft 4 and is used for sliding the rotating shaft 4.
Preferably, as shown in fig. 1 and 2, the shaft bracket 5 is provided with a mounting groove 53 around the shaft hole 52, and the left end of the spring 10 is engaged in the mounting groove 53.
Preferably, as shown in fig. 1 and 3, the supporting seat 12 is located inside the housing 1, and the left end surface of the supporting seat 12 and the right side wall of the chute 11 are located on the same vertical plane.
The working principle of the invention is as follows:
as shown in fig. 1, the flowmeter is in a normal use state, when the flowmeter needs to be cleaned, as shown in fig. 2, the positioning pin 9 is firstly detached, the positioning of the control rod 8 is released, the control rod 8 is pushed leftwards, the second spiral surface 61 on the push plate 6 is matched with the first spiral surface 31 on the impeller 3, the impeller 3 is driven to rotate by a certain angle until the second spiral surface 61 and the first spiral surface 31 are completely overlapped, at this time, the blades on the impeller 3 can be opposite to the cleaning groove 51, then the control rod 8 is continuously pushed leftwards against the spring 10, as shown in fig. 3, the blades on the impeller 3 are driven to enter the cleaning groove 51, and as the cleaning groove 51 is matched with the blades on the impeller 3, the blades on the cleaning groove 51 and the impeller 3 are in spiral structures, so that the impeller 3 rotates along the cleaning groove 51 and drives the push plate 6 to overcome the torsion spring 7, at this time, the impurities on the surface of the blades on the impeller 3 are scraped down, the impurities flow out of the flowmeter along with media, after the media are cleaned out, the control rod 8 is released, the blades on the impeller 3 are driven to move rightwards under the action of the spring 10, the torsion spring 6 is driven to the impeller 6, and the impeller 6 is reset to the right, namely, and the rotary pin 4 is reset to the right is moved to the right, and the rotary shaft is well, and the rotary pin is installed to the position is moved to the right, and the rotary pin 4 is moved to the position to the rotary shaft 9, when the rotary pin is cleaned.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (5)
1. The flowmeter comprises a shell, a rotating shaft arranged in the shell, an impeller fixedly connected to the rotating shaft and a magnetic sensor arranged on the shell, and is characterized in that a first spiral surface is arranged on the right end surface of the impeller, a sliding groove communicated with the inside of the shell is formed in the outer side surface of the shell, a supporting seat which is in sliding connection with the right end of the rotating shaft is fixedly connected to the right side of the shell, and the flowmeter further comprises an impeller cleaning device which is arranged in the shell and is used for cleaning the impeller;
the impeller cleaning apparatus includes:
one end of the control rod is sleeved on the rotating shaft and is in sliding connection with the rotating shaft, the other end of the control rod penetrates through the sliding groove and extends to the outer side of the shell, a positioning pin used for fixedly connecting the control rod with the shell is connected to the control rod through threads, the positioning of the control rod can be relieved by removing the positioning pin, and then the control rod can move left and right along the sliding groove;
the push plate is sleeved on the rotating shaft and is respectively connected with the rotating shaft and the control rod in a rotating way, a second spiral surface which is used for being matched with the first spiral surface is arranged at one end of the push plate, which faces the impeller, a torsion spring is fixedly connected between the push plate and the control rod, the push plate can be driven to move leftwards by pushing the control rod leftwards, the second spiral surface is matched with the first spiral surface, and the impeller is driven to rotate for a certain angle until the second spiral surface and the first spiral surface are completely overlapped;
the shaft support is fixedly connected to the left side of the inside of the shell and is in sliding connection with the left end of the rotating shaft, a cleaning groove matched with the blade of the impeller is formed in one side, facing the impeller, of the shaft support, a spring sleeved on the rotating shaft is arranged between the shaft support and the impeller, after the second spiral surface and the first spiral surface are completely overlapped, the blade on the impeller is right opposite to the cleaning groove, and at the moment, the control rod is pushed leftwards continuously, so that the blade on the impeller can be driven to enter the cleaning groove and the surface impurities of the blade can be scraped.
2. The flowmeter of claim 1, wherein the support base is provided with a mounting hole which is rotatably connected with the rotating shaft and used for sliding the rotating shaft, and the support base is provided with a balance hole which is communicated with the mounting hole.
3. The flowmeter of claim 2, wherein the shaft support is provided with a shaft hole at the center thereof, the shaft hole being rotatably connected to the rotation shaft and being used for sliding the rotation shaft.
4. A flowmeter according to claim 3, wherein the shaft support is provided with a mounting groove around the shaft hole, and the left end of the spring is engaged in the mounting groove.
5. The flowmeter of claim 4, wherein the support seat is located inside the housing, and a left end surface of the support seat and a right side wall of the chute are located on the same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390176.2A CN113218459B (en) | 2021-04-12 | 2021-04-12 | Flowmeter for measuring flow rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390176.2A CN113218459B (en) | 2021-04-12 | 2021-04-12 | Flowmeter for measuring flow rate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113218459A CN113218459A (en) | 2021-08-06 |
| CN113218459B true CN113218459B (en) | 2024-04-05 |
Family
ID=77087074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110390176.2A Active CN113218459B (en) | 2021-04-12 | 2021-04-12 | Flowmeter for measuring flow rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113218459B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515734A (en) * | 1995-01-10 | 1996-05-14 | Malminen; Kari | Variable area flow meter |
| CN107621291A (en) * | 2017-09-13 | 2018-01-23 | 安徽省锐凌计量器制造有限公司 | One kind scrapes formula propeller flowmeter |
| CN107782401A (en) * | 2016-08-29 | 2018-03-09 | 天津市承刚科技发展有限公司 | A kind of intellectual water meter impeller |
| CN209894226U (en) * | 2019-06-01 | 2020-01-03 | 江苏金岭仪表有限公司 | Turbine flowmeter |
| CN211121426U (en) * | 2019-12-18 | 2020-07-28 | 武汉帝元表业有限公司 | Impeller protection device of horizontal spiral wing type water meter |
| CN111649787A (en) * | 2020-06-29 | 2020-09-11 | 上海思达斯易仪器仪表有限公司 | Core-pulling type gas turbine flowmeter |
| CN211651703U (en) * | 2019-12-31 | 2020-10-09 | 上海美续测控技术有限公司 | High-precision flowmeter |
| CN112032077A (en) * | 2019-06-04 | 2020-12-04 | 江苏超惠环保科技有限公司 | Dust separation fan for dust remover |
| CN112082612A (en) * | 2020-08-28 | 2020-12-15 | 王红伍 | Rotary piston positive displacement water meter |
| CN212228128U (en) * | 2020-06-03 | 2020-12-25 | 昆明昆贝智能科技有限责任公司 | Split type monitoring flowmeter convenient for filtering and impurity removing |
| CN112525280A (en) * | 2020-12-07 | 2021-03-19 | 西安市永鑫科技有限公司 | Impeller flowmeter |
-
2021
- 2021-04-12 CN CN202110390176.2A patent/CN113218459B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515734A (en) * | 1995-01-10 | 1996-05-14 | Malminen; Kari | Variable area flow meter |
| CN107782401A (en) * | 2016-08-29 | 2018-03-09 | 天津市承刚科技发展有限公司 | A kind of intellectual water meter impeller |
| CN107621291A (en) * | 2017-09-13 | 2018-01-23 | 安徽省锐凌计量器制造有限公司 | One kind scrapes formula propeller flowmeter |
| CN209894226U (en) * | 2019-06-01 | 2020-01-03 | 江苏金岭仪表有限公司 | Turbine flowmeter |
| CN112032077A (en) * | 2019-06-04 | 2020-12-04 | 江苏超惠环保科技有限公司 | Dust separation fan for dust remover |
| CN211121426U (en) * | 2019-12-18 | 2020-07-28 | 武汉帝元表业有限公司 | Impeller protection device of horizontal spiral wing type water meter |
| CN211651703U (en) * | 2019-12-31 | 2020-10-09 | 上海美续测控技术有限公司 | High-precision flowmeter |
| CN212228128U (en) * | 2020-06-03 | 2020-12-25 | 昆明昆贝智能科技有限责任公司 | Split type monitoring flowmeter convenient for filtering and impurity removing |
| CN111649787A (en) * | 2020-06-29 | 2020-09-11 | 上海思达斯易仪器仪表有限公司 | Core-pulling type gas turbine flowmeter |
| CN112082612A (en) * | 2020-08-28 | 2020-12-15 | 王红伍 | Rotary piston positive displacement water meter |
| CN112525280A (en) * | 2020-12-07 | 2021-03-19 | 西安市永鑫科技有限公司 | Impeller flowmeter |
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| Publication number | Publication date |
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| CN113218459A (en) | 2021-08-06 |
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Effective date of registration: 20240315 Address after: 300110 No. 6-6, Yan'an Road, Nankai District, Tianjin Applicant after: Tianjin Suner Technology Co.,Ltd. Country or region after: Zhong Guo Address before: 315000 jishigang Industrial Park, the intersection of GONGMAO 3rd road and Jifeng Road, Ningbo, Zhejiang Applicant before: Li Shubing Country or region before: Zhong Guo |
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