CN116892988A - Ultrasonic flow metering device and control method thereof - Google Patents
Ultrasonic flow metering device and control method thereof Download PDFInfo
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- CN116892988A CN116892988A CN202311159495.8A CN202311159495A CN116892988A CN 116892988 A CN116892988 A CN 116892988A CN 202311159495 A CN202311159495 A CN 202311159495A CN 116892988 A CN116892988 A CN 116892988A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 117
- 239000012535 impurity Substances 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 29
- 239000010802 sludge Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims 5
- 241001330002 Bambuseae Species 0.000 claims 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 5
- 239000011425 bamboo Substances 0.000 claims 5
- 239000010813 municipal solid waste Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
-
- 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
-
- 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
- G01F15/125—Filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to the field of ultrasonic flow meters, in particular to an ultrasonic flow metering device and a control method thereof, the ultrasonic flow metering device comprises a bottom plate, a water pipe is fixedly connected to the left side of the upper end face of the bottom plate, an ultrasonic flow meter body is arranged in the middle of the upper end of the water pipe, a filter screen is arranged in the middle of the lower end of the filter screen, the middle of the lower end of the filter screen is connected to the water pipe in a sliding manner through a groove, a spring is fixedly connected to the lower side of the right end face of the filter screen, and the right end of the spring is fixedly connected with the water pipe; can play a filter effect to dirt in the rivers to can clear up the impurity that the filter screen surface adheres to, avoid appearing the dirt and stop up the filter screen and influence the circumstances of rivers through efficiency, also saved artifical manual process of clearing up, it is comparatively convenient laborsaving.
Description
Technical Field
The invention relates to the field of ultrasonic flow meters, in particular to an ultrasonic flow metering device and a control method thereof.
Background
The ultrasonic flowmeter is a non-contact meter which can measure the medium flow of large pipe diameter and the medium which is not easy to contact and observe, has high measurement accuracy, can achieve the highest accuracy of +/-0.5 percent and is hardly interfered by various parameters of the measured medium, and particularly can solve the problems of strong corrosiveness, non-conductivity, radioactivity and flow measurement of flammable and explosive medium which cannot be realized by other meters.
For example, patent document with publication number CN216869668U discloses an ultrasonic flowmeter for preventing blocking, including the ultrasonic flowmeter body, the bottom of ultrasonic flowmeter body is fixed and is equipped with the support column, the bottom fixedly connected with of support column supports the base, support the both ends of base and all install and be equipped with the water pipe, the inside center department of support base is equipped with the carousel, the fixed several rotation connecting rod that is equipped with of outer wall of carousel, the fixed pivot that is equipped with in center department of carousel one side, one side of carousel is equipped with the fixed block, the pivot passes the fixed block and is connected with first helical gear, first helical gear meshing is connected with the second helical gear. The utility model discloses an ultrasonic flowmeter who prevents jam is equipped with the rotation connecting rod through the inside at the support base, rotates first rotary valve, drives a plurality of rotation connecting rods and rotates in the inside of support base promptly, can rotate the clearance to impurity and dirt, and the flow is separated gradually along with rivers, avoids the inner wall to block up, and convenient easy operation, and the operating efficiency is fast.
However, the cleaning effect of the above patent document on the inside of the water pipe is poor in the practical application process, and the cleaning efficiency is low, mainly because the water pipe is dredged only by rotating the connecting rod, the cleaning is not guaranteed thoroughly, and even because the direction of the rotating connecting rod is fixed, part of dirt is not cleaned sufficiently, and the blockage of the water pipe is easily caused.
Meanwhile, the measuring accuracy is seriously affected due to scaling of the measuring pipeline and large cleaning noise of the pipeline, so that obvious measuring errors are brought, and even when the measuring pipeline is serious, the instrument has no flow display.
Therefore, how to improve the measurement stability of an ultrasonic flowmeter is a problem to be overcome.
Disclosure of Invention
The invention aims to provide an ultrasonic flow metering device and a control method thereof, so as to improve the measurement stability of an ultrasonic flowmeter.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a be used for ultrasonic flow metering device, includes the bottom plate, bottom plate up end left side fixedly connected with water pipe, water pipe upper end middle part is provided with ultrasonic flowmeter body, bottom plate up end right side rear end fixedly connected with deflector, the deflector has the guide post through the recess embedding and links to each other with it slidingly, guide post front end fixedly connected with rectangular plate, the rectangular plate left end is provided with the subassembly of decontaminating, the water pipe left end is provided with filtering component;
the sewage disposal assembly comprises a third motor, the right end face of the third motor is fixedly connected with a rectangular plate, and the output end of the third motor is fixedly connected with a mounting block through a pin shaft;
the filter assembly comprises a filter screen, the middle part of the lower end of the filter screen is connected with a water pipe in a sliding way through a groove, a spring is fixedly connected to the lower side of the right end face of the filter screen, and the right end of the spring is fixedly connected with the water pipe;
the utility model discloses a motor, including installation piece left end face, installation piece left end face middle part fixedly connected with second motor, second motor output passes through pivot fixedly connected with third bevel gear, installation piece left end face front side middle part fixedly connected with connecting rod, connecting rod left end face fixedly connected with support body, both ends middle part all rotates around the support body is connected with a groove drum, the one end cover that groove drum is close to each other is established and fixedly connected with fourth bevel gear, fourth bevel gear and third bevel gear intermeshing, groove drum grafting and sliding connection have the lug pole, the one end fixedly connected with crushing wheel of groove drum is kept away from to the lug pole.
Preferably, the installation piece is detachably connected with the second motor, a rotation speed sensor is coaxially fixed on one side of the crushing wheel, a rotating blade layer impeller of the crushing wheel is arranged, a controller and an alarm are arranged in the ultrasonic flowmeter body, and when the ratio of the rotation speed sensor to the ultrasonic flowmeter body detection flow value changes, an alarm signal is sent out through the alarm of the ultrasonic flowmeter body.
Preferably, the middle part fixedly connected with fourth motor of support body up end, fourth motor output is through round pin axle fixedly connected with first connecting rod, both ends all are connected with the second connecting rod through round pin axle rotation about the first connecting rod, the one end that first connecting rod was kept away from to the second connecting rod is connected with the regulation pole through the round pin axle rotation, it links to each other with the lug pole rotation to adjust the pole left end, it has the gag lever post to adjust pole sliding connection, the one end fixedly connected with in the support body of lug pole is kept away from to the gag lever post, the one end fixedly connected with arc that the regulation pole kept away from each other.
Preferably, the middle part fixedly connected with first motor in terminal surface upside before the deflector, first motor output is through round pin axle fixedly connected with spout pole, spout pole and guide post imbeds each other and link to each other with it sliding, terminal surface fixedly connected with sliding sleeve behind the guide post, sliding sleeve upper end passes through recess sliding connection in the deflector.
Preferably, a fifth motor is fixedly connected to the middle part of the upper end of the left side of the water pipe, a worm is fixedly connected to the output end of the fifth motor, a hairbrush plate and a worm wheel are rotatably connected to the middle part of the left end of the water pipe through a pin shaft, and the worm wheel is meshed with the worm.
Preferably, the rear side of the left end face of the brush plate is rotationally connected with a first gear and a second bevel gear through a pin shaft, the left end of the inner cavity wall of the water pipe is fixedly connected with a gear ring, and the gear ring is meshed with the first gear.
Preferably, the rear side of the lower end surface of the brush plate is fixedly connected with an L-shaped plate, the left side of the upper end surface of the L-shaped plate is rotationally connected with an eccentric block and a first bevel gear through a pin shaft, and the first bevel gear is meshed with a second bevel gear.
Preferably, the ultrasonic flowmeter body is provided with a control button.
A control method for an ultrasonic flow metering device comprises the following specific steps:
s1, a fixed ratio is formed between the water flow speed detected by a rotating speed sensor and the flow value detected by a flowmeter, once dirt in a water pipe is increased, the value detected by the flowmeter is increased, the rotating speed of the rotating speed sensor is not changed, the ratio of the water flow speed to the flow value detected by the flowmeter is changed, an alarm signal is sent out through a controller in an ultrasonic flowmeter, and workers are reminded of cleaning the pipeline;
s2, when the inner cavity wall of the water pipe needs to be cleaned, starting a first motor to drive a chute rod to rotate, driving a guide post to move along a chute, enabling a sliding sleeve to slide on a transverse sliding rod, enabling a rectangular plate to descend firstly and then move leftwards, enabling a cleaning assembly to be aligned with the water pipe when the rectangular plate descends firstly, enabling a rotating shaft to be in the same axis with the water pipe, then enabling the chute rod to continue rotating, enabling the cleaning assembly to move leftwards, and when sludge attached to the inner wall of the water pipe needs to be cleaned, starting a fourth motor to drive a first connecting rod to rotate, enabling the first connecting rod to drive a second connecting rod to rotate, enabling a regulating rod to slide on a limiting rod, enabling an arc plate to be close to the inner cavity wall of the water pipe, and enabling a brush on the arc plate to be attached to the inner cavity wall of the water pipe;
s3, starting a third motor to drive the mounting block to rotate, so that the arc-shaped plate can be rotated to clean the sludge attached to the inner wall of the water pipe, when the water pipe is provided with the large-block sludge with strong adhesive force, starting the second motor to drive a third bevel gear to rotate, and driving fourth bevel gears on the front side and the rear side to rotate by the third bevel gear, so that the groove drum, the lug rod and the crushing wheel rotate, cutting and crushing the large-block sludge by using the crushing wheel, and completing cleaning and dredging by using the impact force of water flow;
s4, impurities in water flow can be filtered through the filter screen, when more impurities are attached to the surface of the filter screen, the fifth motor can be started to drive the worm to rotate, the worm drives the worm wheel and the brush plate to rotate, the brush plate cleans the impurities on the surface of the filter screen by utilizing the brush, and when the brush plate rotates, the first gear is rotated under the action of the gear ring, the first gear and the second bevel gear are simultaneously rotated, the eccentric block can be rotated, the eccentric block continuously extrudes the filter screen, and the eccentric block is restored under the action of the spring, so that the filter screen can vibrate, the impurities on the surface can shake off, and the cleaning work of the impurities on the surface of the filter screen can be completed.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, when the inner cavity wall of the water pipe needs to be cleaned, the first motor is started to drive the chute rod to rotate, the chute rod drives the guide post to move along the chute, the sliding sleeve slides on the transverse sliding rod, the transverse sliding rod slides left and right, the rectangular plate descends first and then moves leftwards, the cleaning assembly can be aligned with the water pipe when the rectangular plate descends first, the rotating shaft and the water pipe are positioned at the same axle center, then the chute rod continues to rotate, the cleaning assembly can move leftwards, when the sludge attached to the inner wall of the water pipe needs to be cleaned, the fourth motor is started to drive the first connecting rod to rotate, the first connecting rod drives the second connecting rod to rotate, the second connecting rod drives the adjusting rod to slide on the limiting rod, the arc plate is close to the inner cavity wall of the water pipe, make brush and the laminating of water pipe inner chamber wall on the arc, then start the third motor and drive the installation piece and rotate, can make the arc rotate, come clean the mud that water pipe inner wall is attached, when the water pipe has the stronger mud of bulk adhesive force, can start the second motor and drive third bevel gear and rotate, the fourth bevel gear of both sides is rotated around the third bevel gear drive, make a groove drum, the lug pole, the crushing wheel rotates, utilize crushing wheel to cut the bulk mud to utilize the impact force of rivers, can accomplish clearance and mediation, thereby can play a high-efficient effect of decontaminating to the water pipe inside, guaranteed the cleanliness factor of water pipe inner chamber wall, the condition of jam has been avoided appearing, the passing efficiency of rivers has been improved.
2. According to the invention, impurities in water flow can be filtered through the filter screen, when more impurities are attached to the surface of the filter screen, the fifth motor can be started to drive the worm to rotate, the worm drives the worm wheel and the brush plate to rotate, the brush plate cleans the impurities on the surface of the filter screen by utilizing the brush, and when the brush plate rotates, the first gear rotates under the action of the gear ring, the first gear and the second bevel gear simultaneously rotate, so that the eccentric block rotates, the eccentric block continuously extrudes the filter screen and recovers the filter screen under the action of the spring, the filter screen can vibrate, the impurities on the surface can be shaken off, the cleaning work of impurities on the surface of the filter screen can be completed, so that dirt in water flow can be cleaned, the condition that the filter screen is blocked by dirt and the water flow passing efficiency is influenced is avoided, the manual cleaning process is omitted, and the filter screen cleaning is convenient and labor-saving;
3. according to the invention, the arc-shaped plate is attached to the inner cavity wall of the water pipe, so that the left end part of the mounting block is fixed in the water pipe, the crushing wheel rotates along with the water flow under the action of the water flow, the rotating speed sensor can detect the rotating speed of the crushing wheel, the size of the flow speed of the water flow is judged, the rotating speed sensor detects the water flow speed and the flow value detected by the flow meter to form a fixed ratio, once dirt in the water pipe becomes large, the value detected by the flow meter becomes high, the rotating speed of the rotating speed sensor does not change, the ratio of the water flow speed to the flow value detected by the flow meter changes, an alarm signal is sent out through the controller in the ultrasonic flow meter, a worker is reminded to clean the pipeline, and the right end of the mounting block is connected into the third motor to clean the pipeline, so that dirt in the water pipe can be removed timely, dirt accumulation is avoided, the ultrasonic flow meter is detected for a long time, and the accuracy and the stability of detection are improved.
Drawings
For a clearer description of the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the description below are only some of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a schematic view of a semi-sectional perspective structure of a water pipe according to the present invention;
FIG. 2 is an enlarged schematic view of the area A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the area B of FIG. 1 according to the present invention;
FIG. 4 is a rear elevational schematic view of the present invention;
FIG. 5 is an enlarged view of the area C of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of a partial perspective structure of the present invention;
FIG. 7 is an enlarged schematic view of the area D of FIG. 6 according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of the area E in FIG. 6 according to the present invention;
FIG. 9 is a schematic diagram of a detection structure in embodiment 2 of the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
in the figure: 1. a water pipe; 2. an ultrasonic flowmeter body; 3. a guide plate; 4. a first motor; 5. a guide post; 6. a rectangular plate; 7. a bottom plate; 8. a filter screen; 9. a gear ring; 10. a brush plate; 11. a worm wheel; 12. a worm; 13. an eccentric block; 14. a first bevel gear; 15. a second bevel gear; 16. a first gear; 17. an L-shaped plate; 18. a mounting block; 19. a second motor; 20. a rotating shaft; 21. a connecting rod; 22. a third motor; 23. a frame body; 24. a third bevel gear; 25. a fourth motor; 26. a first link; 27. a second link; 28. an adjusting rod; 29. an arc-shaped plate; 30. a pulverizing wheel; 31. a bump bar; 32. a groove drum; 33. a limit rod; 34. a fourth bevel gear; 35. a fifth motor; 36. a chute rod; 37. a sliding sleeve; 38. a traversing lever; 39. and (3) a spring.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
Referring to fig. 1-8, the present invention provides a technical solution:
the utility model provides a be used for ultrasonic flow metering device, including bottom plate 7, bottom plate 7 up end left side fixedly connected with water pipe 1, water pipe 1 upper end middle part is provided with ultrasonic flowmeter body 2, bottom plate 7 up end right side rear end fixedly connected with deflector 3, deflector 3 has guide post 5 through the recess embedding and sliding connection with it, guide post 5 preceding terminal surface fixedly connected with rectangular plate 6, rectangular plate 6 left end is provided with the subassembly of decontaminating, water pipe 1 left end is provided with filtering component; the dirt cleaning assembly comprises a third motor 22, the right end surface of the third motor 22 is fixedly connected with the rectangular plate 6, and the output end of the third motor 22 is fixedly connected with the mounting block 18 through a pin shaft; the filter component comprises a filter screen 8, the middle part of the lower end of the filter screen 8 is connected with the water pipe 1 in a sliding way through a groove, a spring 39 is fixedly connected with the lower side of the right end face of the filter screen 8, and the right end of the spring 39 is fixedly connected with the water pipe 1.
As shown in fig. 1, the middle part of the left end surface of the mounting block 18 is fixedly connected with a second motor 19, the output end of the second motor 19 is fixedly connected with a third bevel gear 24 through a rotating shaft 20, the middle part of the front side of the left end surface of the mounting block 18 is fixedly connected with a connecting rod 21, and the left end surface of the connecting rod 21 is fixedly connected with a frame 23.
As shown in fig. 3, the middle parts of the front end and the rear end of the frame body 23 are respectively and rotatably connected with a groove cylinder 32, one end, close to each other, of the groove cylinder 32 is sleeved with and fixedly connected with a fourth bevel gear 34, the fourth bevel gear 34 is meshed with the third bevel gear 24, the groove cylinder 32 is inserted and connected with a bump rod 31 in a sliding manner, and one end, far away from the groove cylinder 32, of the bump rod 31 is fixedly connected with a crushing wheel 30; the middle part fixedly connected with fourth motor 25 in support body 23 up end, fourth motor 25 output is through round pin axle fixedly connected with first connecting rod 26, both ends are all connected with second connecting rod 27 through the round pin axle rotation about first connecting rod 26, the one end that first connecting rod 26 was kept away from to second connecting rod 27 is connected with regulation pole 28 through the round pin axle rotation, regulation pole 28 left end links to each other with lug pole 31 rotation, regulation pole 28 sliding connection has gag lever post 33, the one end fixedly connected with support body 23 that lug pole 31 was kept away from to gag lever post 33, the one end fixedly connected with arc 29 that regulation pole 28 kept away from each other.
As shown in fig. 1, a first motor 4 is fixedly connected to the middle part of the upper side of the front end surface of the guide plate 3, the output end of the first motor 4 is fixedly connected with a chute rod 36 through a pin shaft, the chute rod 36 and the guide post 5 are mutually embedded and slidably connected, a sliding sleeve 37 is fixedly connected to the rear end surface of the guide post 5, and the upper end of the sliding sleeve 37 is slidably connected to the guide plate 3 through a groove.
When the water pipe 1 inner cavity wall needs to be cleaned, the first motor 4 is started to drive the chute rod 36 to rotate, the chute rod 36 drives the guide post 5 to move along the chute, the sliding sleeve 37 slides on the sliding rod 38, the sliding rod 38 slides left and right, the rectangular plate 6 descends first and then moves leftwards, the cleaning assembly is aligned with the water pipe 1 when descending first, the rotating shaft 20 and the water pipe 1 are positioned at the same axis, then, the chute rod 36 continues to rotate, the cleaning assembly can move leftwards, when the sludge attached to the inner wall of the water pipe 1 needs to be cleaned, the fourth motor 25 is started to drive the first connecting rod 26 to rotate, the first connecting rod 26 drives the second connecting rod 27 to rotate, the second connecting rod 27 drives the adjusting rod 28 to slide on the limiting rod 33, the arc plate 29 is close to the inner cavity wall of the water pipe 1, the brush on the arc plate 29 is attached to the inner cavity wall of the water pipe 1, then the third motor 22 is started to drive the mounting block 18 to rotate, the inner wall of the water pipe 1 is attached to be cleaned, when the water pipe 1 is provided with the sludge with a large block, the second motor 19 can be started to drive the third bevel gear 19 to drive the third bevel gear 24 to rotate, the inner cavity of the water pipe 1 can be crushed, the water pipe 32 can be crushed, and the water flow can be cleaned by the inner cavity can be cleaned by the high efficiency can be effectively, and the water pipe 1 can be cleaned, and the inner cavity can be cleaned by the inner cavity wall can be cleaned.
As shown in fig. 2, a fifth motor 35 is fixedly connected to the middle part of the left upper end of the water pipe 1, a worm 12 is fixedly connected to the output end of the fifth motor 35, a hairbrush plate 10 and a worm wheel 11 are rotatably connected to the middle part of the left end of the water pipe 1 through a pin shaft, and the worm wheel 11 is meshed with the worm 12; the rear side of the left end face of the brush plate 10 is rotationally connected with a first gear 16 and a second bevel gear 15 through a pin shaft, the left end of the inner cavity wall of the water pipe 1 is fixedly connected with a gear ring 9, and the gear ring 9 is meshed with the first gear 16.
As shown in fig. 2, the rear side of the lower end surface of the brush plate 10 is fixedly connected with an L-shaped plate 17, the left side of the upper end surface of the L-shaped plate 17 is rotatably connected with an eccentric block 13 and a first bevel gear 14 through a pin shaft, and the first bevel gear 14 is meshed with a second bevel gear 15.
During the use, can filter the impurity in the rivers through filter screen 8, when the surface of filter screen 8 adheres to more impurity, can start fifth motor 35 and drive worm 12 rotation, worm 12 drives worm wheel 11 and brush board 10 rotation, brush board 10 utilizes the brush to clean the impurity on filter screen 8 surface, and, when brush board 10 rotates, make first gear 16 rotate under the effect of ring gear 9, first gear 16 and second bevel gear 15 rotate simultaneously, can make eccentric block 13 rotate, eccentric block 13 constantly extrudees filter screen 8, and make it recover under the effect of spring 39, can make filter screen 8 vibrate, shake the impurity on surface off, can accomplish the clearance work to filter screen 8 surface impurity, thereby can play a filter effect to the dirt in the rivers, and can clear up the impurity that filter screen 8 surface adheres to, avoid appearing the dirt to block up filter screen 8 and influence the circumstances of rivers through efficiency, also saved artifical manual process of clearing, it is comparatively convenient laborsaving.
Example 2
In order to determine when cleaning is needed and improve the measurement stability of the ultrasonic flowmeter, as shown in fig. 9, when the flowmeter is used normally on the basis of embodiment 1, all motors do not work, the mounting block 18 is not connected to the third motor 22, the third motor is arranged in the water pipe 1, and a controller and an alarm are arranged in the ultrasonic flowmeter body 2.
Specifically, the middle part of the left end surface of the mounting block 18 is fixedly connected with a second motor 19, the output end of the second motor 19 is fixedly connected with a third bevel gear 24 through a rotating shaft 20, the middle part of the front side of the left end surface of the mounting block 18 is fixedly connected with a connecting rod 21, the left end surface of the connecting rod 21 is fixedly connected with a frame 23, the middle parts of the front end and the rear end of the frame 23 are rotationally connected with a groove drum 32, one ends of the groove drums 32 close to each other are sleeved with and fixedly connected with a fourth bevel gear 34, the fourth bevel gear 34 is meshed with the third bevel gear 24, the groove drums 32 are inserted and connected with a bump rod 31 in a sliding manner, one end of the bump rod 31 far away from the groove drum 32 is fixedly connected with a crushing wheel 30, one side of the crushing wheel 30 is coaxially and fixedly provided with a rotating speed sensor, the rotating blade layer impeller of the crushing wheel 30 is arranged, the middle part of the upper end surface of the frame 23 is fixedly connected with a fourth motor 25, the output end of the fourth motor 25 is fixedly connected with a first connecting rod 26 through a pin shaft, the left end and the right end of the first connecting rod 26 are both rotationally connected with a second connecting rod 27 through a pin shaft, one end of the second connecting rod 27 far away from the first connecting rod 26 is rotationally connected with an adjusting rod 28 through a pin shaft, the left end of the adjusting rod 28 is rotationally connected with a bump rod 31, the adjusting rod 28 is slidingly connected with a limiting rod 33, one end of the limiting rod 33 far away from the bump rod 31 is fixedly connected with a frame body 23, one end of the adjusting rod 28 far away from each other is fixedly connected with an arc-shaped plate 29, a fourth motor 25 is started to drive the first connecting rod 26 to rotate, the first connecting rod 26 drives the second connecting rod 27 to rotate, the second connecting rod 27 drives the adjusting rod 28 to slide on the limiting rod 33, the arc-shaped plate 29 is made to be close to the inner cavity wall of the water pipe 1, the arc-shaped plate 29 is made to be attached to the inner cavity wall of the water pipe 1, therefore the left end part of the mounting block 18 is fixed in the water pipe 1, the grinding wheel 30 rotates in a following way under the action of water flow, and a rotating speed sensor can detect the rotating speed of the grinding wheel 30, thereby determining the flow rate of the water flow.
Under normal use condition, the water flow speed that rotation speed sensor detected becomes fixed ratio with the flow value that the flowmeter detected, in case dirt grow in the water pipe 1, the value that the flowmeter detected just can become high, and rotation speed sensor's rotational speed can not change, then the ratio of water flow speed and flowmeter detection flow value will change, will send alarm signal through the controller in the ultrasonic flowmeter this moment, remind the staff to clear up the pipeline, access the third motor 22 with the installation piece 18 right-hand member this moment again to clear up the pipeline, thereby can in time get rid of dirt in the water pipe 1, avoid the dirt to pile up, cause ultrasonic flowmeter to appear detecting the deviation for a long time, improve the degree of accuracy and the stability of detection.
Example 3
The invention also provides a control method for the ultrasonic flow metering device, which comprises the following steps:
s1, a fixed ratio is formed between the water flow speed detected by a rotation speed sensor and the flow value detected by a flowmeter, once dirt in a water pipe is increased, the value detected by an ultrasonic flowmeter body 2 is increased, the rotation speed of the rotation speed sensor is not changed, the ratio of the water flow speed to the flow value detected by the flowmeter is changed, and an alarm signal is sent out through a controller in the ultrasonic flowmeter body 2 to remind a worker of cleaning the pipeline;
s2, when the inner cavity wall of the water pipe 1 needs to be cleaned, the first motor 4 is started to drive the chute rod 36 to rotate, the chute rod 36 drives the guide post 5 to move along the chute, the sliding sleeve 37 slides on the sliding rod 38, the sliding rod 38 slides left and right, the rectangular plate 6 descends first and then moves leftwards, the cleaning assembly is aligned with the water pipe 1 when descending first, the rotating shaft 20 and the water pipe 1 are positioned at the same axis, then the chute rod 36 continues to rotate, the cleaning assembly moves leftwards, when the sludge attached to the inner wall of the water pipe 1 needs to be cleaned, the fourth motor 25 is started to drive the first connecting rod 26 to rotate, the first connecting rod 26 drives the second connecting rod 27 to rotate, the second connecting rod 27 drives the adjusting rod 28 to slide on the limiting rod 33, the arc plate 29 is close to the inner cavity wall of the water pipe 1, and the brush on the arc plate 29 is attached to the inner cavity wall of the water pipe 1;
s3, starting the third motor 22 to drive the mounting block 18 to rotate, namely enabling the arc-shaped plate 29 to rotate so as to clean the sludge attached to the inner wall of the water pipe 1, when the water pipe 1 is provided with the large-block sludge with strong adhesive force, starting the second motor 19 to drive the third bevel gear 24 to rotate, and enabling the third bevel gear 24 to drive the fourth bevel gears 34 on the front side and the rear side to rotate so as to enable the groove drum 32, the lug rod 31 and the crushing wheel 30 to rotate, cutting and crushing the large-block sludge by utilizing the crushing wheel 30 and completing cleaning and dredging by utilizing the impact force of water flow;
s4, impurities in water flow can be filtered through the filter screen 8, when more impurities are attached to the surface of the filter screen 8, the fifth motor 35 can be started to drive the worm 12 to rotate, the worm 12 drives the worm wheel 11 and the brush plate 10 to rotate, the brush plate 10 cleans the impurities on the surface of the filter screen 8 by utilizing a brush, and when the brush plate 10 rotates, the first gear 16 rotates under the action of the gear ring 9, the first gear 16 and the second bevel gear 15 simultaneously rotate, the eccentric block 13 can rotate, the eccentric block 13 continuously extrudes the filter screen 8 and is restored under the action of the spring 39, the filter screen 8 can vibrate, the impurities on the surface are shaken off, and the cleaning work of the impurities on the surface of the filter screen 8 can be completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An ultrasonic flow metering device comprising a base plate (7), characterized in that: the ultrasonic flow meter comprises a bottom plate (7), wherein a water pipe (1) is fixedly connected to the left side of the upper end face of the bottom plate (7), an ultrasonic flow meter body (2) is arranged in the middle of the upper end of the water pipe (1), a guide plate (3) is fixedly connected to the right rear end of the upper end face of the bottom plate (7), a guide column (5) is embedded in the guide plate (3) through a groove and is connected with the guide plate in a sliding mode, a rectangular plate (6) is fixedly connected to the front end face of the guide column (5), a dirt cleaning assembly is arranged at the left end of the rectangular plate (6), and a filtering assembly is arranged at the left end of the water pipe (1);
the trash cleaning assembly comprises a third motor (22), the right end face of the third motor (22) is fixedly connected with a rectangular plate (6), and the output end of the third motor (22) is fixedly connected with a mounting block (18) through a pin shaft;
the filter assembly comprises a filter screen (8), the middle part of the lower end of the filter screen (8) is connected with the water pipe (1) in a sliding manner through a groove, a spring (39) is fixedly connected to the lower side of the right end face of the filter screen (8), and the right end of the spring (39) is fixedly connected with the water pipe (1);
the utility model discloses a grinding wheel for grinding a grinding wheel, including installation piece (18), recess section of thick bamboo (32), second motor (19) of the left end face middle part fixedly connected with of installation piece (18), second motor (19) output is through pivot (20) fixedly connected with third bevel gear (24), installation piece (18) left end face front side middle part fixedly connected with connecting rod (21), connecting rod (21) left end face fixedly connected with support body (23), both ends middle part all rotates around support body (23) is connected with recess section of thick bamboo (32), the one end cover that recess section of thick bamboo (32) is close to each other is established and fixedly connected with fourth bevel gear (34), fourth bevel gear (34) and third bevel gear (24) intermeshing, recess section of thick bamboo (32) are pegged graft and sliding connection has lug pole (31), one end fixedly connected with grinding wheel (30) that recess section of thick bamboo (32) are kept away from to lug pole (31).
2. An ultrasonic flow metering device according to claim 1, wherein: the utility model discloses a ultrasonic flowmeter, including ultrasonic flowmeter body (2), installation piece (18), crushing wheel (30), rotary blade layer impeller, controller and alarm, install piece (18) and second motor (19) for detachable connection, crushing wheel (30) one side coaxial fixed with rotation speed sensor, the rotary blade layer impeller setting of crushing wheel (30), be provided with controller and alarm in ultrasonic flowmeter body (2), work as rotation speed sensor and ultrasonic flowmeter body (2) detect when the ratio of flow value takes place to change, send alarm signal through the alarm of ultrasonic flowmeter body (2).
3. An ultrasonic flow metering device according to claim 1, wherein: the novel lifting device is characterized in that a fourth motor (25) is fixedly connected to the middle of the upper end face of the frame body (23), a first connecting rod (26) is fixedly connected to the output end of the fourth motor (25) through a pin shaft, a second connecting rod (27) is connected to the left end and the right end of the first connecting rod (26) through pin shaft rotation, an adjusting rod (28) is connected to one end, far away from the first connecting rod (26), of the second connecting rod (27) through pin shaft rotation, the left end of the adjusting rod (28) is rotationally connected with a bump rod (31), a limiting rod (33) is connected to the adjusting rod (28) in a sliding mode, one end, far away from the bump rod (31), of the limiting rod (33) is fixedly connected to the frame body (23), and one end, far away from each other, of the adjusting rod (28), is fixedly connected with an arc plate (29).
4. An ultrasonic flow metering device according to claim 1, wherein: the novel guide plate is characterized in that a first motor (4) is fixedly connected to the middle part of the upper side of the front end face of the guide plate (3), a sliding groove rod (36) is fixedly connected to the output end of the first motor (4) through a pin shaft, the sliding groove rod (36) and the guide column (5) are mutually embedded and slidably connected, a sliding sleeve (37) is fixedly connected to the rear end face of the guide column (5), and the upper end of the sliding sleeve (37) is slidably connected to the guide plate (3) through a groove.
5. An ultrasonic flow metering device according to claim 1, wherein: the novel water pipe is characterized in that a fifth motor (35) is fixedly connected to the middle of the upper end of the left side of the water pipe (1), a worm (12) is fixedly connected to the output end of the fifth motor (35), a hairbrush plate (10) and a worm wheel (11) are rotatably connected to the middle of the left end of the water pipe (1) through a pin shaft, and the worm wheel (11) is meshed with the worm (12).
6. An ultrasonic flow metering device according to claim 5, wherein: the rear side of the left end face of the hairbrush plate (10) is rotationally connected with a first gear (16) and a second bevel gear (15) through a pin shaft, the left end of the inner cavity wall of the water pipe (1) is fixedly connected with a gear ring (9), and the gear ring (9) is meshed with the first gear (16).
7. An ultrasonic flow metering device according to claim 6, wherein: the novel brush is characterized in that an L-shaped plate (17) is fixedly connected to the rear side of the lower end face of the brush plate (10), an eccentric block (13) and a first bevel gear (14) are rotatably connected to the left side of the upper end face of the L-shaped plate (17) through a pin shaft, and the first bevel gear (14) is meshed with a second bevel gear (15).
8. An ultrasonic flow metering device according to claim 1, wherein: the ultrasonic flowmeter body (2) is provided with a control button.
9. A control method for an ultrasonic flow meter device according to any one of claims 1-8, comprising the specific steps of:
s1, a fixed ratio is formed between the water flow speed detected by a rotation speed sensor and the flow value detected by a flow meter, once dirt in a water pipe (1) becomes more, the flow value detected by the flow meter becomes higher, the rotation speed of the rotation speed sensor does not change, the ratio of the water flow speed to the flow value detected by the flow meter changes, and an alarm signal is sent out through a controller in an ultrasonic flow meter to remind a worker of cleaning the pipeline;
s2, when the inner cavity wall of the water pipe (1) needs to be cleaned, a first motor (4) is started to drive a chute rod (36) to rotate, the chute rod (36) drives a guide post (5) to move along a chute, a sliding sleeve (37) slides on a transverse moving rod (38), the transverse moving rod (38) slides left and right, a rectangular plate (6) descends firstly and then moves leftwards, a dirt cleaning assembly is aligned with the water pipe (1) when the rectangular plate descends firstly, a rotating shaft (20) and the water pipe (1) are positioned at the same axle center, then the chute rod (36) continues to rotate, the dirt cleaning assembly can move leftwards, when the sludge attached to the inner wall of the water pipe (1) needs to be cleaned, a fourth motor (25) is started to drive a first connecting rod (26) to rotate, the first connecting rod (26) drives a second connecting rod (27) to rotate, and the second connecting rod (27) drives an adjusting rod (28) to slide on a limiting rod (33), so that an arc plate (29) is close to the inner cavity wall of the water pipe (1), and a brush on the arc plate (29) is attached to the inner cavity wall of the water pipe (1).
S3, starting a third motor (22) to drive a mounting block (18) to rotate, namely enabling an arc plate (29) to rotate so as to clean sludge attached to the inner wall of a water pipe (1), when the water pipe (1) is provided with a large block of sludge with stronger adhesive force, starting a second motor (19) to drive a third bevel gear (24) to rotate, and enabling a fourth bevel gear (34) on the front side and the rear side to rotate by the third bevel gear (24), so that a groove drum (32), a lug rod (31) and a crushing wheel (30) rotate, cutting and crushing the large block of sludge by utilizing the crushing wheel (30), and completing cleaning and dredging by utilizing the impact force of water flow;
s4, can filter the impurity in the rivers through filter screen (8), when filter screen (8) surface adhesion more impurity, can start fifth motor (35) and drive worm (12) rotation, worm (12) drive worm wheel (11) and brush board (10) rotate, brush board (10) utilize the brush to clean the impurity on filter screen (8) surface, and, when brush board (10) rotate, make first gear (16) rotate under the effect of ring gear (9), first gear (16) and second bevel gear (15) rotate simultaneously, can make eccentric block (13) rotate, eccentric block (13) constantly extrudees filter screen (8) to make it recover under the effect of spring (39), can make filter screen (8) vibrate, shake off the impurity on surface, can accomplish the clearance work to filter screen (8) surface impurity.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080104780A1 (en) * | 2006-08-15 | 2008-05-08 | Dayton Douglas C | Systems and methods of a gutter cleaning system |
| CN103334487A (en) * | 2013-06-25 | 2013-10-02 | 中铁十七局集团建筑工程有限公司 | Urban underground round rainwater pipeline dredging device |
| CN216175015U (en) * | 2021-10-09 | 2022-04-05 | 上海海杰克液压设备有限公司 | Novel hydraulic device convenient to clearance pipeline |
| CN218469928U (en) * | 2022-10-24 | 2023-02-10 | 重庆斯坦迪科技有限公司 | Ultrasonic flowmeter based on wireless communication |
-
2023
- 2023-09-11 CN CN202311159495.8A patent/CN116892988B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080104780A1 (en) * | 2006-08-15 | 2008-05-08 | Dayton Douglas C | Systems and methods of a gutter cleaning system |
| CN103334487A (en) * | 2013-06-25 | 2013-10-02 | 中铁十七局集团建筑工程有限公司 | Urban underground round rainwater pipeline dredging device |
| CN216175015U (en) * | 2021-10-09 | 2022-04-05 | 上海海杰克液压设备有限公司 | Novel hydraulic device convenient to clearance pipeline |
| CN218469928U (en) * | 2022-10-24 | 2023-02-10 | 重庆斯坦迪科技有限公司 | Ultrasonic flowmeter based on wireless communication |
Non-Patent Citations (1)
| Title |
|---|
| 彭小平: "基于 S7-1200 PLC 下水道除污机器人控制研究", 《现代信息科技》, vol. 4, no. 19 * |
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Denomination of invention: A device for ultrasonic flow measurement and its control method Granted publication date: 20240102 Pledgee: Agricultural Bank of China Limited Ninghai County sub branch Pledgor: ZHEJIANG SAPPHIRE METER TECHNOLOGY Co.,Ltd. Registration number: Y2024330000797 |