An automatic cleaning device for underground water column in evaporation and permeability testing pit

Abstract

The present invention discloses an automatic cleaning device for underground water column cylinders in evaporation and infiltration testing pits. The motor I fixedly mounted in the main housing is fixedly mounted with the gear I, the gear I is meshed with the gear II, the gear II is fixedly mounted on the bracket I, the bracket I is coaxially mounted with the bracket II and the bracket III in sequence, the motor IV is fixedly mounted at the end of the bracket III, and the rotor of the motor IV is fixedly mounted with a mechanical foot; the motor II fixedly mounted in the main housing is fixedly mounted with the gear III, the gear III is meshed with the toothed belt on the mechanical arm, the end of the mechanical arm is fixedly mounted with a cleaning tank, a bubble generator is installed inside the cleaning tank, and an ultrasonic generator is installed on the cleaning tank; the control circuit assembly fixedly mounted in the main housing controls the bubble generator and the ultrasonic generator to cooperate with each other, and the mechanical vibration caused by the ultrasonic wave and the stress damage caused by the micro-bubble explosion are used to greatly improve the cleaning efficiency and cleaning effect, reduce the manpower consumption, and realize the full-automatic cleaning of the water column cylinder.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural water conservancy test measurement, and in particular relates to an automatic cleaning device for a groundwater column tube in an evaporation and infiltration testing pit. Background Art

[0002] When conducting farmland irrigation and drainage tests in large evaporation pits, the drainage outflow carries fine soil aggregates and numerous soil microorganisms. As the microorganisms and aggregates adhere and accumulate inside the water column, a large amount of moss will eventually grow, polluting the environment inside the water column and causing a certain degree of interference with the operation of the measuring instruments in the water column. These mud and mosses are often difficult to remove.

[0003] The current cleaning measures mainly rely on manual cleaning. Since the water column is high, generally more than 3 meters, it is necessary to use a ladder and extra-long cleaning tools to complete the work with the cooperation of multiple people. For the staff, the efficiency is extremely low, the operation is inconvenient and unsafe. Since there are many sensors and equipment installed on the water column, there is a great risk of damage during the cleaning work. Summary of the invention

[0004] The purpose of the invention is to address the problems of the above-mentioned prior art and propose an automatic cleaning device for underground water column tubes in evaporation and infiltration testing pits. The invention has a simple structure, stable and reliable working performance in the water column tube, simple and convenient operation, and can basically achieve full-automatic cleaning. The mechanical vibration caused by ultrasonic waves and the stress damage caused by micro-bubble explosion greatly improve the cleaning efficiency and cleaning effect. In addition, the invention also achieves the purpose of saving labor and reducing labor intensity.

[0005] The technical solution created by the present invention is achieved as follows: an automatic cleaning device for a groundwater column cylinder in an evaporation and infiltration testing pit, a main housing is fixedly equipped with a water tank, a motor I, a motor II, a control circuit assembly, and a battery, a water inlet and an electromagnetic switch are installed on the water tank, the electromagnetic switch is connected to a water pipe, and the water pipe passes through a mechanical arm and the inside of a cleaning tank in turn and is connected to a bubble generator; the motor I is fixedly installed with a gear I, the gear I is meshed with a gear II, the gear II is fixedly installed with a bracket I, the bracket I is coaxially installed with a bracket II11, the outer spiral structure of the bracket I cooperates with the inner spiral structure of the bracket II, so that the bracket II can be relatively displaced along the axial direction as the bracket I rotates, a bracket III is installed at the end of the bracket II, and a mechanical foot is fixedly installed at the end of the bracket III; the motor II is fixedly installed with a gear III, the gear III is meshed with a toothed belt on the mechanical arm, and a cleaning tank is fixedly installed at the end of the mechanical arm. A pressure sensor is installed at the end of bracket II, a spring is installed at the end of the pressure sensor, the end of the spring is fixed on bracket III, a motor IV is installed at the end of bracket III, the rotor of motor IV is fixed to the mechanical foot, the pressure sensor, spring and motor IV are all in the internal space of bracket III, the mechanical foot is fixed with bearings and motor III, and the bearings and motor III are both installed with rollers. An ultrasonic generator is fixed on the cleaning tank, an ultrasonic transducer is installed at the front end of the ultrasonic generator, a bubble generator is installed inside the cleaning tank, and a water stop strip is fixed on the outside of the cleaning tank. Infrared sensor I and infrared sensor II are installed on the upper and lower sides of the main housing. The control circuit assembly is composed of a single-chip microcomputer control unit, a drive module, a memory module, a wireless transmission module and an A / D conversion. The single-chip microcomputer control unit is connected to the bubble generator, motor I, motor II, motor III and ultrasonic generator respectively through the drive module; the single-chip microcomputer control unit is connected to the pressure sensor, infrared sensor I and infrared sensor II respectively through A / D conversion; the single-chip microcomputer control unit is connected to the memory module and the wireless transmission module respectively.

[0006] The invention has a novel, reasonable and simple structure, is easy and convenient to operate, does not rely on the working experience of the operator, and saves the number of personnel and reduces the labor intensity. The equipment can automatically adapt to measuring barrels of various diameters and automatically complete the cleaning of the entire measuring barrel. Under the cooperation of the microbubble generator, the ultrasonic generator and the ultrasonic transducer, on the one hand, the ultrasonic wave causes the stains on the working surface to vibrate at a high frequency and gradually separate from the inner wall of the water column tube; on the other hand, the ultrasonic wave causes the microbubbles in contact with the working surface to rupture, generating local stress, so that the stubborn stains adhering to the inner wall of the water column tube fall off, thereby achieving the purpose of efficient cleaning. This improves work efficiency and meets the needs of scientific research work. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the structure of an automatic cleaning device for underground water column in an evaporation and permeability testing pit;

[0008] Figure 2 This is a bottom view of the internal structure of an automatic cleaning device for groundwater columns in evaporation and permeability testing pits;

[0009] Figure 3 It is a schematic diagram of the internal structure of the main casing;

[0010] Figure 4 It is a schematic diagram of the internal structure of the mechanical foot;

[0011] Figure 5 It is a schematic diagram of the cleaning tank structure;

[0012] Figure 6 It is a schematic diagram of the control circuit assembly structure.

[0013] Description of part numbers in the figure:

[0014] 1. Water tank; 2. Motor I; 3. Gear I; 4. Gear II; 5. Water inlet; 6. Gear III; 7. Toothed belt; 8. Motor II; 9. Bracket I; 10. Mechanical arm; 11. Bracket II; 12. Mechanical foot; 13. Roller; 14. Bracket III; 15. Pressure sensor; 16. Spring; 17. Motor III; 18. Bearing; 19. Bubble generator; 20. Ultrasonic generator; 21. Water stop strip; 22. Cleaning tank; 23. Main housing; 24. Infrared sensor I; 25. Drive module; 26. Single chip control unit; 27. A / D conversion; 28. Infrared sensor II; 29. ​​Control circuit assembly; 30. Memory module; 31. Electromagnetic switch; 32. Water pipe; 33. Battery; 34. Motor IV; 35. Wireless transmission module; 36. Ultrasonic transducer. DETAILED DESCRIPTION

[0015] The following is a detailed description of the invention with reference to the accompanying drawings. An automatic cleaning device for underground water column cylinders in an evaporation and permeability testing pit, wherein a water tank 1, a motor 1 are fixedly mounted in a main housing 23. 2. Motor II8, control circuit assembly 29, battery 33. A water inlet 5 and an electromagnetic switch 31 are installed on the water tank 1. The electromagnetic switch 31 is connected to a water pipe 32. The water pipe 32 passes through the robot arm 10 and the cleaning tank 22 in turn and is connected to the bubble generator 19; the motor I2 is fixed to the gear I3, the gear I3 is meshed with the gear II4, the gear II4 is fixed to the bracket I9, the bracket I9 is ​​coaxially installed with the bracket II11, the outer spiral structure of the bracket I9 and the inner spiral structure of the bracket II11 cooperate with each other, so that the bracket II11 can be relatively displaced along the axial direction as the bracket I9 rotates, and a bracket III14 is installed at the end of the bracket II11, and a mechanical foot 12 is fixed at the end of the bracket III14; the motor II8 is fixed to the gear III6, the gear III6 is meshed with the toothed belt 7 on the robot arm 10, and the cleaning tank 22 is fixed at the end of the robot arm 10. A pressure sensor 15 is installed at the end of the bracket II11, and a spring 16 is installed at the end of the pressure sensor 15. The end of the spring 16 is fixed on the bracket III14. A motor IV34 is installed at the end of the bracket III14. The rotor of the motor IV34 is fixed to the mechanical foot 12. The pressure sensor 15, spring 16 and motor IV34 are all in the internal space of the bracket III14. The mechanical foot 12 is fixed with a bearing 18 and a motor III17. The bearing 18 and the motor III17 are both installed with a roller 13. An ultrasonic generator 20 is fixed on the cleaning tank 22. An ultrasonic transducer 36 is installed at the front end of the ultrasonic generator 20. A bubble generator 19 is installed inside the cleaning tank 22. A water stop strip 21 is fixed on the outside of the cleaning tank 22. Infrared sensors I24 and II28 are installed on the upper and lower sides of the main housing 23. The control circuit assembly 29 is composed of a single-chip microcomputer control unit 26, a drive module 25, a memory module 30, a wireless transmission module 35 and an A / D converter 27. The single-chip microcomputer control unit 26 is connected to the bubble generator 19, the motor I2, the motor II8, the motor III17 and the ultrasonic generator 20 respectively through the drive module 25; the single-chip microcomputer control unit 26 is connected to the pressure sensor 15, the infrared sensor I24 and the infrared sensor II28 respectively through the A / D converter 27; the single-chip microcomputer control unit 26 is connected to the memory module 30 and the wireless transmission module 35 respectively.

[0016] When in operation, the staff places the automatic cleaning device for underground water column cylinder of the evaporation and infiltration test pit at the bottom of the water column cylinder, sets the cleaning force n through the host computer, and sends a start command to the single-chip control unit 26 through the wireless transmission module 35. The single-chip control unit 26 drives the motor I2 to work through the drive module 25, and the motor I2 drives the motor I2 through the gear I3. It drives the gear II4 and the bracket I9 to rotate, and the outer spiral structure of the bracket I9 cooperates with the inner spiral structure of the bracket II11, so that the bracket II11 can move relative to the axis, and the roller 13 of the mechanical foot 12 contacts the inner wall of the water column tube. With the continuous movement of the bracket II11, the spring 16 in the bracket III14 will be continuously compressed. At the same time, the pressure sensor 15 transmits the pressure data to the single-chip control unit 26 through the A / D conversion 27. When the pressure data exceeds the friction self-locking pressure threshold, it can be ensured that the automatic cleaning device for the underground water column tube of the evaporation and infiltration testing pit will not slide up and down on the inner wall of the water column tube under the friction provided by the current pressure. At this time, the single-chip control unit 26 controls the motor I2 through the driving module 25 The machine stops working, and calculates the extension distance of the mechanical foot 12 according to the cumulative number of revolutions n1 of the motor I2 in the above stage and the thread distance of the outer spiral structure of the bracket I9. According to the distance data and the gear spacing of the toothed belt 7, the number of revolutions n2 of the motor II8 is calculated. The single-chip control unit 26 controls the motor II8 to work at the calculated speed n2 through the drive module 25. The motor II 8 rotates through the gear III6, and under the cooperation of the gear III6 and the toothed belt 7 of the mechanical arm 10, the mechanical arm 10 is relatively displaced, so that the water stop strip 21 is close to the inner wall of the water column tube. At this time, the single-chip control unit 26 drives the electromagnetic switch 31 to supply water through the driving module 25, and the water in the water tank 1 reaches the bubble generator 19 through the water pipe 32. After the action of the bubble generator 19, a large amount of water containing microbubbles is generated and discharged to the working surface in the cleaning tank 22. The unit 26 controlled by the single-chip microcomputer drives the ultrasonic generator 20 to work through the driving module 25. On the one hand, the stains on the working surface vibrate at a high frequency and gradually separate from the inner wall of the water column tube; on the other hand, the ultrasonic wave causes the microbubbles in contact with the working surface to rupture, generate local stress, and make the stubborn stains adhering to the inner wall of the water column tube fall off, thereby achieving the purpose of efficient cleaning.The single-chip control unit 26 drives the motor IV34 to rotate through the drive module 25, so that the mechanical foot 12 is in a horizontal state. The single-chip control unit 26 drives the motor III17 to drive the roller 13 to rotate through the drive module 25, so that the automatic cleaning device for the underground water column cylinder of the evaporation and infiltration testing pit is in a uniform horizontal rotation state. The cleaning tank 22 cleans the stains at the same height on the inner wall of the water column cylinder. The entire machine rotates n times according to the cleaning intensity n set by the user. After the end, the single-chip control unit 26 drives the motor IV34 to rotate through the drive module 25, so that the mechanical foot 12 is in a tilted state. The single-chip control unit 26 drives the motor III17 to drive the roller 13 to rotate through the drive module 25, so that the automatic cleaning device for the underground water column cylinder of the evaporation and infiltration testing pit is in a uniform spiral ascent state. After rising to a certain height, the single-chip control unit 26 drives the motor IV34 to rotate through the drive module 25, so that the mechanical foot 12 is in a horizontal state. The single-chip control unit 26 drives the motor IV34 to rotate through the drive module 25 Motor III17 drives the roller 13 to rotate and starts cleaning a new layer, and this is repeated until the infrared sensor I24 detects that the distance it has reached the top is less than the safety threshold. The single-chip microcomputer control unit 26 drives the motor IV34 to rotate through the drive module 25, so that the mechanical foot 12 is in a tilted state. The single-chip microcomputer control unit 26 drives the motor III17 to rotate through the drive module 25 to make the roller 13 rotate, so that the automatic cleaning device for the underground water column tube of the evaporation and infiltration testing pit is in a uniform spiral descent state, and the inner wall of the water column tube is quickly re-washed until the infrared sensor II28 detects that it has reached the bottom of the water column tube. The single-chip microcomputer control unit 26 drives the electromagnetic switch 31 and the motor III17 to stop working through the drive module 25. At the same time, the single-chip microcomputer control unit 26 drives the motor I2 and the motor II8 to work through the drive module 25 until the mechanical foot 12 and the mechanical arm 10 retract to their original positions. Finally, the entire device is taken out by the staff.

Claims

1. An automatic cleaning device for underground water column in evaporation and permeability testing pit, characterized in that: A water tank (1), a motor I (2), a motor II (8), a control circuit assembly (29), and a storage battery (33) are fixedly installed in the main housing (23); a water inlet (5) and an electromagnetic switch (31) are installed on the water tank (1); the electromagnetic switch (31) is connected to a water pipe (32); the water pipe (32) passes through the mechanical arm (10) and the inside of the cleaning tank (22) in sequence and is connected to a bubble generator (19); the motor I (2) is fixedly installed with a gear I (3); the gear I (3) is meshed with a gear II (4); the gear Wheel II (4) is fixedly mounted on bracket I (9), and bracket I (9) is coaxially mounted on bracket II (11). The outer spiral structure of bracket I (9) cooperates with the inner spiral structure of bracket II (11), so that bracket II (11) can be relatively displaced along the axial direction as bracket I (9) rotates. A bracket III (14) is mounted at the end of bracket II (11), and a mechanical foot (12) is fixedly mounted at the end of bracket III (14); the motor II (8) is fixedly mounted on gear III (6), and gear III (6 ) is meshed with a toothed belt (7) on a mechanical arm (10), and a cleaning tank (22) is fixedly mounted at the end of the mechanical arm (10); a pressure sensor (15) is mounted at the end of the bracket II (11), and a spring (16) is mounted at the end of the pressure sensor (15), and the end of the spring (16) is fixedly mounted on a bracket III (14); a motor IV (34) is mounted at the end of the bracket III (14), and the rotor of the motor IV (34) is fixedly mounted on the mechanical foot (12), and the pressure sensor (15), the spring (16) and The motor IV (34) is located in the internal space of the bracket III (14); the mechanical foot (12) is fixedly mounted with a bearing (18) and a motor III (17); the bearing (18) and the motor III (17) are both mounted with a roller (13); the cleaning tank (22) is fixedly mounted with an ultrasonic generator (20); an ultrasonic transducer (36) is mounted at the front end of the ultrasonic generator (20); a bubble generator (19) is mounted inside the cleaning tank (22); and a water stop strip (21) is fixedly mounted on the outside of the cleaning tank (22).

2. The automatic cleaning device for underground water column of evaporation pit according to claim 1 is characterized in that An infrared sensor I (24) and an infrared sensor II (28) are installed on the upper and lower sides of the main housing (23).

3. The automatic cleaning device for underground water column of evaporation pit according to claim 1 is characterized in that The control circuit assembly (29) is composed of a single-chip microcomputer control unit (26), a drive module (25), a memory module (30), a wireless transmission module (35) and an A / D converter (27). The single-chip microcomputer control unit (26) is respectively connected to a bubble generator (19), a motor I (2), a motor II (8), a motor III (17) and an ultrasonic generator (20) through the drive module (25); the single-chip microcomputer control unit (26) is respectively connected to a pressure sensor (15), an infrared sensor I (24) and an infrared sensor II (28) through the A / D converter (27); and the single-chip microcomputer control unit (26) is respectively connected to the memory module (30) and the wireless transmission module (35).

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