Vertical layered rotary tillage and disinfection device, method and combined working machine thereof

Abstract

The application provides a vertical layered rotary tillage disinfection device and method and combined working machine, which comprises a frame, a gearbox, a rotary tillage device, an atomization device and a liquid medicine tank; in the process of rotary tillage and disinfection, a layered mode is adopted to efficiently deep-rotary tillage and disinfection of soil loosening; through the magnetic suspension high-frequency ultrasonic atomization nozzle, the atomized liquid droplets are magnetized and charged, so that the mist droplets are more effectively adsorbed in the soil, and the disinfection effect is increased; the application is based on vertical rotary tillage and soil layered disinfection, and the layered disinfection of soil is completed while the rotary tillage operation is performed, and the application has the characteristics of simple structure, low cost, low power consumption, large tillage depth, high medicine utilization rate and the like. When the combined working machine works, firstly, the soil is subjected to layered tillage and soil crushing operation through the vertical rotary tillage machine, on the basis of which the high-speed charged atomized liquid medicine generated by the disinfection device and the atomization device is sprayed into the soft soil in layers, so that the soil is thoroughly and effectively rotary tilled and disinfected, and finally, the soil leveling device is used for leveling.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of agricultural engineering, and particularly relates to a vertical layered rotary tillage and disinfection device and a method and combined working machine thereof. BACKGROUND

[0002] The main place of disease transmission. In recent years, facility agriculture has developed rapidly, and the production area has been increasing. However, due to continuous monoculture for many years, combined with environmental factors, various viruses in the soil accumulate year by year, which affects soil monoculture, and ultimately leads to a series of problems such as abnormal plant growth and development and yield reduction, which greatly hinders the development of facility agriculture. At present, soil disinfection during crop rotation is a relatively effective method to solve the problem of monoculture obstacles, which can greatly reduce the accumulation of viruses in the soil, and is beneficial to improve crop yield and quality.

[0003] The current commonly used soil disinfection technology can be divided into physical disinfection, chemical disinfection and biological fumigation disinfection technology. The most commonly used method on the market is chemical disinfection, which has the most obvious advantages of low economic cost, simple method and suitable for large-scale use. However, its biggest disadvantage is that various chemical agents are not friendly to the ecological environment, and have a greater impact on the soil, water source and surrounding environment. Therefore, at present, how to reduce the utilization rate and usage of chemical disinfection reagents is still the research focus of relevant scholars. In addition, in order to achieve the purpose of killing insects, there is a problem of unreasonable disinfection method and disinfection amount.

[0004] And the current deep rotary tillage machine has the problems of not reaching the position of soil tillage and soil compaction. Therefore, it is urgent to develop a high-efficiency deep rotary tillage and disinfection combined working device. SUMMARY

[0005] In view of the above technical problems, the present application provides a vertical layered rotary tillage and disinfection device and a method and combined working machine thereof, which adopts a layered mode during rotary tillage and disinfection, and performs efficient deep rotary tillage and disinfection for soil loosening. The present application uses a magnetic suspension high-frequency ultrasonic atomizing nozzle to magnetize and charge the atomized droplets, so that the mist droplets are more effectively adsorbed in the soil, and the disinfection effect is increased. The present application can perform disinfection during rotary tillage, and has a simple and efficient structure.

[0006] Note that the recitation of these objects does not preclude the presence of others. One embodiment of the present application does not need to achieve all the above-mentioned objects. The objects other than the above-mentioned objects can be extracted from the recitations of the specification, drawings and claims.

[0007] The present application is realized by the following scheme.

[0008] A vertical layered rotary tillage and disinfection device, comprising a rack, a gearbox, a rotary tillage device, an atomizing device and a liquid medicine tank.

[0009] The gearbox is mounted on a frame, and the rotary tillage device is arranged perpendicularly to the ground and connected with an output shaft of the gearbox;

[0010] The rotary tillage device comprises a plurality of front vertical rotary tillage shafts and rear vertical rotary tillage shafts; the rear rotary tillage shafts are shorter than the front rotary tillage shafts; the front vertical rotary tillage shafts and the rear vertical rotary tillage shafts are internally provided with axially extending spray holes, and the openings of the spray holes are communicated with outlets of the magnetic suspension high-frequency ultrasonic atomizing nozzles; a plurality of through holes with different heights are arranged on the walls of the front vertical rotary tillage shafts and the rear vertical rotary tillage shafts;

[0011] The atomizing device comprises a high-pressure water pump, a magnetic suspension high-frequency ultrasonic atomizing nozzle and an air compressor; a water inlet of the high-pressure water pump is connected with a liquid medicine tank through a pipeline, a water outlet of the high-pressure water pump is connected with a water inlet of the magnetic suspension high-frequency ultrasonic atomizing nozzle through a pipeline, and the air compressor is connected with an air inlet of the magnetic suspension high-frequency ultrasonic atomizing nozzle.

[0012] In the above scheme, the magnetic suspension high-frequency ultrasonic atomizing nozzle comprises a Laval nozzle, a resonance cavity, a charging electrode plate, a liquid inlet section, a high-frequency vibrator and a metal film;

[0013] The air compressor is connected with an axial flow section at one end of the Laval nozzle, and the liquid inlet section is connected with a throat of the Laval nozzle; the outlet end of the Laval nozzle is communicated with the inlet end of the resonance cavity, and the connecting position is provided with the charging electrode plate; the outlet end of the resonance cavity is provided with the metal film, and a plurality of micropores are arranged on the metal film 11-4; the resonance cavity is internally provided with the high-frequency vibrator and an excitation coil, and the excitation coil is connected with a driving power supply;

[0014] The Laval nozzle inlet end and the Laval nozzle outlet end are respectively provided with axial flow fan blades, and the axial flow fan blades arranged at the outlet end are arranged at the front end of the charging electrode plate.

[0015] In the above scheme, permanent magnet rings are arranged on the outer side walls of the Laval nozzle inlet end and the Laval nozzle outlet end, magnetic fields are formed at the Laval nozzle inlet end and the Laval nozzle outlet end, the axial flow fan blades at the Laval nozzle inlet end are driven to rotate to cut the magnetic field to generate current through airflow, the axial flow fan blades at the Laval nozzle outlet end are driven to rotate to cut the magnetic field to generate current through gas-liquid mixed flow, the axial flow fan blades are connected with the charging electrode plate through an adjusting circuit to transmit the current to the charging electrode plate, and the adjusting circuit is also used for adjusting the rotating speed of the adjusting circuit.

[0016] In the above scheme, an air passage is arranged between the Laval nozzle and the resonance cavity, the high-speed air drawn out forms a flow around the high-frequency vibrator through the air flow channel, so that the high-frequency vibrator is suspended, thereby forming suspended ultrasonic vibration, and the heat generation and friction loss of the mover are greatly reduced.

[0017] The rear vertical rotary tiller shaft is arranged behind the front vertical rotary tiller shaft, and one rear vertical rotary tiller shaft is arranged between the front vertical rotary tiller shafts which are adjacent in space.

[0018] The rear vertical rotary tiller shaft is arranged behind the front vertical rotary tiller shaft, and one rear vertical rotary tiller shaft is arranged between the front vertical rotary tiller shafts which are adjacent in space.

[0019] The rear vertical rotary tiller shaft is arranged behind the front vertical rotary tiller shaft, and one rear vertical rotary tiller shaft is arranged between the front vertical rotary tiller shafts which are adjacent in space.

[0020] The rear vertical rotary tiller shaft is arranged behind the front vertical rotary tiller shaft, and one rear vertical rotary tiller shaft is arranged between the front vertical rotary tiller shafts which are adjacent in space.

[0021] The rear vertical rotary tiller shaft is arranged behind the front vertical rotary tiller shaft, and one rear vertical rotary tiller shaft is arranged between the front vertical rotary tiller shafts which are adjacent in space.

[0022] The rear vertical rotary tiller shaft is arranged behind the front vertical rotary tiller shaft, and one rear vertical rotary tiller shaft is arranged between the front vertical rotary tiller shafts which are adjacent in space.

[0023] The rear vertical rotary tiller shaft is arranged behind the front vertical rotary tiller shaft, and one rear vertical rotary tiller shaft is arranged between the front vertical rotary tiller shafts which are adjacent in space.

[0024] Compared with the prior art, the beneficial effects of the present application are:

[0025] The present application adopts a layered mode in the rotary tillage and disinfection process, and performs efficient deep rotary tillage and disinfection on soil loosening; the present application uses the magnetic suspension high-frequency ultrasonic atomization nozzle to magnetize and charge the atomized liquid droplets, so that the liquid droplets are more effectively adsorbed in the soil, and the disinfection effect is increased; the present application is based on vertical rotary tillage and soil layered disinfection, and completes the layered disinfection of soil while rotary tillage is performed. The present application has the characteristics of simple structure, low cost, low power consumption, large tillage depth, high utilization rate of pesticides and the like.

[0026] Note that the description of these effects does not preclude the presence of other effects. One embodiment of the present application does not necessarily have all of the above-mentioned effects. Effects in addition to those described above can be apparent from the description, the attached drawings, the claims, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 Structure diagram of vertical layered rotary tillage and disinfection device of one embodiment of the present application;

[0028] Figure 2 Structure diagram of rotary tillage device assembly of one embodiment of the present application;

[0029] Figure 3 Structure diagram of front rotary tillage blade shaft of one embodiment of the present application;

[0030] Figure 4 Structure diagram of front rotary tillage blade shaft transmission of one embodiment of the present application;

[0031] Figure 5 Mounting structure of rotary tillage blade shaft and partial sectional view of spray head installation of one embodiment of the present application, wherein Figure 5 (a) is a schematic diagram of the mounting structure of the rotary tillage blade shaft, Figure 5 (b) is a partial sectional view of the spray head installation;

[0032] Figure 6 Structure diagram of high-pressure water pump of one embodiment of the present application;

[0033] Figure 7 Structure diagram of magnetic levitation high-frequency ultrasonic atomizing spray head of one embodiment of the present application, wherein Figure 7 (a) is a schematic diagram of the basic structure of the magnetic levitation high-frequency ultrasonic atomizing spray head; Figure 7 (b) is a schematic diagram of the atomization of the magnetic levitation high-frequency ultrasonic atomizing spray head; Figure 7 (b) is a schematic diagram of the movement of the mover under the alternating magnetic field of the magnetic levitation high-frequency ultrasonic atomizing spray head;

[0034] Figure 8 Structure diagram of covering device of one embodiment of the present application;

[0035] Figure 9 Structure diagram of control system architecture of one embodiment of the present application.

[0036] REFERENCE SIGNS:

[0037] In the figure: 1-frame, 2-transmission, 3-rotary cultivator, 3-1-front vertical rotary cultivator blade shaft, 3-1-1-helix blade, 3-1-2-gear, 3-1-3-connection flange, 3-1-4-coupling, 3-1-5-rotary cultivator top cover, 3-1-6-right-angle blade, 3-1-7-blade shaft through hole, 3-2-rear vertical rotary cultivator blade roller shaft, 4-sprayer fixing frame, 5-large pulley, 6-earthing device, 6-1-earthing plate, 6-2-earthing device frame, 6-3-spring lead screw, 8-atomization device, 8-1-high-pressure water pump, 8-2-power line, 8-3-battery, 8-4-water inlet, 8-5-water outlet, 9-control system, 9-1-first lower computer, 9-1-second lower computer, 10-chemical liquid tank, 11-magnetic suspension high-frequency ultrasonic atomization nozzle, 11-1-Laval nozzle, 11-2-liquid droplet charging device, 11-3-liquid inlet section, 11-4-metal film, 12-belt, 13-three-point linkage, 13-1-gimbal assembly, 14-axial fan blade, 15-charging electrode plate, 16-high-frequency vibrator, 17-excitation coil, 18-clamping device, 19-air compressor, 19-1-gas storage tank, 20-air passage, 21-lithium battery, 22-air inlet hole, 23-mover track gap, 24-permanent magnet. DETAILED DESCRIPTION

[0038] Embodiments of the present application are described below in detail with reference to the accompanying drawings, in which the same or similar components have the same or similar designations throughout the several figures. The embodiments described below are exemplary and are intended to be illustrative of the present application and are not to be construed as limiting the present application.

[0039] In the description of the present application, it is to be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "front", "back", "left", "right", "up", "down", "axial", "radial", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or components referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0041] Figures 1-9 A preferred embodiment of the vertical layered rotary tillage disinfection device is shown, which comprises a rack 1, a gearbox 2, a rotary tillage device 3, an atomization device 8, a liquid medicine tank 10 and a control system 9.

[0042] The gearbox 2 is mounted on the rack 1 and connected to the tractor power through a three-point suspension device 13. The input end of the universal joint assembly 13-1 is connected to the tractor power, and the output end is connected to the gearbox 2.

[0043] The gearbox 2 is mounted on the rack 1, and the rotary tillage device 3 is arranged vertically to the ground and connected to the output shaft of the gearbox 2.

[0044] The rotary tillage device 3 comprises a plurality of front vertical rotary tillage shafts 3-1 and rear vertical rotary tillage shafts 3-2. The length of the rear rotary tillage shaft 3-2 is shorter than that of the front rotary tillage shaft 3-1. The front vertical rotary tillage shaft 3-1 and the rear vertical rotary tillage shaft 3-2 are both provided with axially extending spray holes, and the openings of the spray holes are in communication with the outlets of the magnetic suspension high-frequency ultrasonic atomizing nozzles 11. A plurality of through holes 3-1-7 of different heights are provided on the wall of the front vertical rotary tillage shaft 3-1 and the rear vertical rotary tillage shaft 3-2.

[0045] The atomization device 8 comprises a high-pressure water pump 8-1, a magnetic suspension high-frequency ultrasonic atomizing nozzle 11 and an air compressor 19. The water inlet 8-4 of the high-pressure water pump 8-1 is connected to the liquid medicine tank 10 through a pipeline, and the water outlet 8-5 of the high-pressure water pump 8-1 is connected to the water inlet of the magnetic suspension high-frequency ultrasonic atomizing nozzle 11 through a pipeline. The air compressor 19 is connected to the air inlet of the magnetic suspension high-frequency ultrasonic atomizing nozzle 11.

[0046] According to this technical feature, a layered mode is adopted during rotary tillage and disinfection, and efficient deep rotary tillage disinfection is carried out for soil loosening. The present application magnetizes and charges the atomized liquid droplets through the magnetic suspension high-frequency ultrasonic atomizing nozzle, so that the mist droplets are more effectively adsorbed in the soil, increasing the disinfection effect. The present application can simultaneously disinfect during rotary tillage, and the structure is simple and efficient.

[0047] According to one embodiment of the present application, the magnetic suspension high-frequency ultrasonic atomizing nozzle 11 comprises a Laval nozzle 11-1, a resonant cavity, a charging electrode plate 15, a liquid inlet section 11-3, a high-frequency vibrator 16 and a metal film 11-4;

[0048] The air compressor 19 is connected to the axial section of one end of the Laval nozzle 11-1, and the liquid inlet section 11-3 is connected to the throat of the Laval nozzle 11-1. The outlet end of the Laval nozzle 11-1 is in communication with the inlet end of the resonant cavity, and the connecting part is provided with the charging electrode plate 15. The outlet end of the resonant cavity is provided with the metal film 11-4, and a plurality of micropores are formed in the metal film 11-4. The resonant cavity is internally provided with the high-frequency vibrator 16 and the excitation coil 17, and the excitation coil 17 is connected to the driving power supply.

[0049] The inlet end and the outlet end of the Laval nozzle 11-1 are respectively provided with axial flow fans 14, and the axial flow fan 14 arranged at the outlet end is arranged at the front end of the charging electrode plate 15. On the one hand, the axial flow fan breaks up the liquid medicine mist and refines the mist, and on the other hand, it provides a structural basis for the charging electrode plate to be electrified by the rotation cutting magnetic field of the subsequent axial flow fan. By arranging the high-frequency vibrator, the Laval nozzle and the charging electrode plate, the atomized liquid droplets are magnetized and charged, so that the mist droplets are more effectively adsorbed in the soil, thereby increasing the disinfection effect.

[0050] According to one embodiment of the present application, permanent magnet rings 24 are arranged on the outer side walls of the inlet end and the outlet end of the Laval nozzle 11-1, a magnetic field is formed at the inlet end and the outlet end of the Laval nozzle 11-1, the axial flow fan 14 at the inlet end of the Laval nozzle 11-1 is driven to rotate by the airflow to cut the magnetic field to generate an electric current, the axial flow fan 14 at the outlet end of the Laval nozzle 11-1 is driven to rotate by the gas-liquid mixed flow to cut the magnetic field to generate an electric current, the axial flow fan 14 is connected to the charging electrode plate 15 through an adjusting circuit to transmit the electric current to the charging electrode plate 15, and the adjusting circuit is also used to adjust the rotating speed of the adjusting circuit. The charging of the electrode plate does not require an external power supply, so that the structure is compact. In addition, the small mist droplets impact on the charging electrode plate 15 to be charged by contact charging, and the charging electrode plate 15 reduces the high-speed air from the Laval nozzle 11-1 to low speed.

[0051] According to one embodiment of the present application, an air passage 20 is arranged between the Laval nozzle 11-1 and the resonant cavity, the high-speed air drawn out forms a flow around the high-frequency vibrator 16 through the air passage 20, so that the high-frequency vibrator 16 is suspended, thereby forming a suspended ultrasonic vibration, and greatly reducing the heat generation and friction loss of the mover.

[0052] According to one embodiment of the present application, the length of the rear vertical rotary tiller blade shaft 3-2 is 1 / 3 of the length of the front vertical rotary tiller blade shaft 3-1, which can effectively layer the soil tillage layer, and the rear rotary tiller device can perform secondary operation on the shallow soil tillage layer, thereby providing more sufficient conditions for subsequent planting.

[0053] According to one embodiment of the present application, the rear vertical rotary tiller shaft 3-2 is arranged behind the front vertical rotary tiller shaft 3-1, and one rear vertical rotary tiller shaft 3-2 is arranged between the spatially adjacent front vertical rotary tiller shafts 3-1. This staggered arrangement can effectively increase the rotary tillage area and ensure that no re-tillage or missed tillage occurs, making the rotary tillage work efficient.

[0054] According to one embodiment of the present application, a plurality of groups of right-angle blades 3-1-6 are arranged at different height positions in the circumferential direction of the front vertical rotary tiller shaft 3-1, and a spiral blade 3-1-1 is arranged below the lowest right-angle blade 3-1-6; the rear vertical rotary tiller shaft 3-2 is provided with spiral blades 3-1-1 on the circumference. The bottom spiral blade makes it easier to enter the soil for soil loosening at the beginning of rotary tillage, and the subsequent right-angle blades can greatly rotary till the soil.

[0055] According to one embodiment of the present application, the front vertical rotary tiller shaft 3-1 is driven to rotate by the large belt pulley 5 and the belt 12, ensuring continuous power transmission and making the rotation of the front and rear rotary tiller shafts at the same frequency, so that the rotary tillage vibration is stable and the rotary tillage process is smooth.

[0056] A combined working machine comprising the vertical layered rotary tillage and disinfection device.

[0057] A method according to the vertical layered rotary tillage and disinfection device, comprising the following steps:

[0058] The power source outputs power through the gearbox 2 to the rotary tillage device 3, and different layered rotary tillage and soil loosening are performed on the soil by the front vertical rotary tiller shaft 3-1 and the rear vertical rotary tiller shaft 3-2 with different heights. During the rotary tillage process, the liquid medicine in the liquid medicine tank 10 flows into the atomization device 8, enters the magnetic suspension high-frequency ultrasonic atomization nozzle 11 through the high-pressure water pump 8-1 of the atomization device 8, and in the magnetic suspension high-frequency ultrasonic atomization nozzle 11, the high-speed gas provided by the air compressor 19 enters from the left end axial flow section air inlet hole 22 of the magnetic suspension high-frequency ultrasonic atomization nozzle 11, accelerates to supersonic speed through the Laval tube 11-1, and converges with the liquid flow in the liquid inlet section 11-3 at the throat of the Laval tube to realize the first atomization. After the first atomization, the mist droplet group collides with the high-speed rotating axial flow fan blade 14, and the mist droplets become smaller. The smaller mist droplets collide with the charging electrode plate 15 and are charged by contact charging. At the same time, the charging electrode plate 15 reduces the high-speed air coming out of the Laval tube 11-1 to low speed. The charged liquid droplets are magnetized in the resonance cavity and are atomized by the metal film 11-4 at the outlet end of the resonance cavity. Then the mist is sprayed into the soil through the spray holes of the rotary tillage device 3, and the soil is disinfected during the rotary tillage process.

[0059] According to one embodiment of the present application, preferably, the seven front vertical rotary tiller shafts 3-1 are powered by the helical gear mechanism in the gearbox 2 driven by the tractor power; the front vertical rotary tiller shafts 3-1 are fixed in the circular shaft hole of the frame 1 by flanges. The diameter of the front vertical rotary tiller shafts 3-1 is 50 mm, and the soil frame 6-2 is fixed to the frame 1 by welding. The soil plate 6-1 is fixed to the rear side of the soil frame 6-2 by bolts.

[0060] The rotary tillage device 3 includes seven front vertical rotary tiller shafts 3-1 and six rear vertical rotary tiller shafts 3-2. The length of the front vertical rotary tiller shafts 3-1 is 300 mm, the shaft is perpendicular to the ground and connected to the output shaft of the gearbox 2. The power output by the tractor is transmitted to the front rotary tiller shaft 3-1 by the gearbox 2 to make it move.

[0061] According to one embodiment of the present application, preferably, the front vertical rotary tiller shaft 3-1 is provided with a spiral blade 3-1-1 at the low end, and a plurality of groups of blades 3-1-6 are arranged at different height positions in the circumferential direction of the front vertical rotary tiller shaft 3-1; the inside of the front vertical rotary tiller shaft 3-1 is provided with an axially extending spray hole, and the opening of the spray hole is at the top end of the shaft 3-1; a plurality of different height shaft spray holes 3-1-7 are arranged on the wall of the front vertical rotary tiller shaft 3-1; during operation, the soil is rotary tilled and loosened by the rotary tiller blades 3-1-6 on the front vertical rotary tiller shaft 3-1, and the front shaft performs deep rotary tillage on the soil. At the same time, the subsequent disinfectant is sprayed out of the shaft spray hole 3-1-7 to disinfect the rotary tilled soil.

[0062] According to one embodiment of the present application, specifically, there are three groups of shaft spray holes 3-1-7 on the side wall of the vertical rotary tiller shaft from top to bottom, each group includes two equal and symmetrical shaft spray holes; the diameter of the first group of shaft spray holes 3-1-7 is 30 mm, and the distance from the center line of the shaft spray hole 3-1-7 to the top end of the vertical rotary tiller shaft is 120 mm; the diameter of the second group of shaft spray holes 3-1-7 is 45 mm, and the distance from the center line of the shaft spray hole 3-1-7 to the center line of the first group of shaft spray holes 3-1-7 is 190 mm; the diameter of the third group of shaft spray holes 3-1-7 is 55 mm, and the distance from the center line of the shaft spray hole 3-1-7 to the center line of the second group of shaft spray holes 3-1-7 is 260 mm. The length of the rear rotary tiller shaft 3-2 is 1 / 3 of the length of the front rotary tiller shaft 3-1, and the shaft as a whole is provided with a spiral blade 3-1-1. The transmission of the shaft is driven by the rotation of the front vertical rotary tiller shaft 3-1 through the belt 12, and then the rotation of the rear vertical rotary tiller shaft 3-2 is driven by the belt 12. The rear vertical rotary tiller shaft 3-2 performs shallow secondary rotary tillage and disinfection on the soil that has been rotary tilled by the front vertical rotary tiller shaft 3-1. The soil is further optimized in terms of loosening and disinfection.

[0063] According to one embodiment of the present application, preferably, the covering plate 6-1 is connected to the covering frame 6-2 by bolts. Further, a spring rod 6-3 is arranged on the covering plate 6-1 by bolts for controlling the covering plate to maintain the covering performance. The covering device is used to level the soil which has been layered and sterilized by the rotary tiller, so as to make the soil more flat and suitable for subsequent operations.

[0064] According to one embodiment of the present application, preferably, the solution in the liquid tank 10 flows into the atomizing device 8 through the liquid transmission pipeline, and is sprayed into the soil through the knife shaft through hole 3-1-7 after being atomized by the magnetic suspension high-frequency ultrasonic atomizing nozzle 11 of the atomizing device 8; preferably, the lithium battery 21 is used to provide power for the high-pressure water pump 8-1, the air compressor 19 and the magnetic suspension high-frequency ultrasonic atomizing nozzle 11 in the atomizing device 8.

[0065] According to one embodiment of the present application, as shown in Figure 2 the magnetic suspension high-frequency ultrasonic atomizing nozzle 11 has eight nozzles fixed to the top deep hole opening of the rear vertical rotary tiller knife shaft 3-2 and the front vertical rotary tiller knife shaft 3-1 by the nozzle fixing frame 4, as shown in Figure 5 , wherein Figure 5 (a) is a schematic view of the installation structure of the rotary tiller knife shaft, Figure 5 (b) is a schematic view of the partial section of the nozzle installation; the remaining four nozzles are fixed to the top deep hole opening of the front vertical rotary tiller knife shaft 3-1 by thread connection, and the spraying direction is vertically downward.

[0066] According to one embodiment of the present application, the high-pressure water pump 8-1 further comprises at least two power lines 8-2 and a battery 8-3. The high-pressure water pump 8-1 is fixed to the nozzle fixing frame 4 and the frame 1 by bolts, and is located between the liquid tank 10 and the water inlet of the magnetic suspension high-frequency ultrasonic atomizing nozzle 11. The battery 8-3 is connected to the lithium battery 21 by the power line 8-2 for charging, and the high-pressure water pump 8-1 is connected to the lithium battery 21 by the power line 8-2,

[0067] According to one embodiment of the present application, specifically, the air compressor 19 provides high-speed airflow for the magnetic suspension high-frequency ultrasonic atomizing nozzle 11.

[0068] According to one embodiment of the present application, specifically, the high-speed gas provided by the air compressor 19 is connected to the left end axial flow section of the magnetic suspension high-frequency ultrasonic atomizing nozzle 11, accelerated to supersonic speed through the Laval tube 11-1, and converged with the liquid flow of the liquid inlet section 11-3 at the throat of the Laval tube to realize the first atomization. After the first atomization, the droplet group is broken by the high-speed rotating axial flow fan blade 14, and the broken droplets are charged by the charging electrode plate 15. The charged droplets are magnetized in the resonant cavity and are atomized by the metal film 11-4 at the outlet end of the resonant cavity.

[0069] According to one embodiment of the present application, preferably, the excitation coil 17 is wrapped around the outside of the high-frequency vibrator 16; the high-frequency vibrator 16 is provided with a clamping device 18 on one side, and the other end of the clamping device 18 is connected with the metal film 11-4; the excitation coil 17 is in communication with the amplitude modulation high-frequency power supply, and the vibration frequency of the high-frequency vibrator 16 can be adjusted by adjusting the current frequency of the amplitude modulation high-frequency power supply; the high-frequency vibrator 16 drives the metal film 11-4 to vibrate at high frequency through the clamping device 18. A plurality of micropores are formed on the metal film 11-4.

[0070] According to one embodiment of the present application, preferably, the axial flow fan 14 provided at the outlet end of the Laval tube 11-1 is arranged at the front end of the charging electrode plate 15, and the droplets are broken by the axial flow fan 14 before being charged by the charging electrode plate 15. There is an air passage 20 between the Laval tube 11-1 and the resonant cavity, and the small high-speed air flow is introduced to form a flow around the mover, so that the mover is suspended, thereby forming a suspended ultrasonic vibration, and greatly reducing the heat and friction loss of the mover.

[0071] According to one embodiment of the present application, preferably, the two axial flow fans 14 of the magnetic suspension high-frequency ultrasonic atomizing nozzle 11 are each connected to a current integration circuit through a wire to form a closed loop. The axial flow fan 14 rotates to cut the magnetic induction line to generate an induced current, and the current integration circuit integrates and filters the induced current to supply power to the charging electrode plate 15, thereby realizing the charging of the droplet charge to make the droplets charged.

[0072] The control system 9 includes an upper computer, a first lower computer 9-1 and a second lower computer 9-2.

[0073] The upper computer is installed in the cab to enable the driver to know the working information of the machine and to control the sterilization flow of the machine in real time.

[0074] The first lower computer 19-1 is installed at a position 30 mm below the reinforced rib plate on both sides of the front vertical rotary tiller, measures the torque information, and transmits the torque information to the upper computer.

[0075] The second lower computer 9-2 is installed in the flow control box of the rear frame 1, realizes two-way communication with the upper computer, sends the pull rod tension, forward speed, knife roller rotating speed and flow meter data of the machine tool to the upper computer and receives the signal of the upper computer for controlling the disinfection spraying flow.

[0076] In combination Figure 9 According to one embodiment of the present application, the upper computer preferably comprises an LCD resistive screen, an SD memory card and a GPS module.

[0077] According to one embodiment of the present application, the upper computer preferably selects STM32F103ZET6 as the core hardware platform device, simultaneously carries the UCOS III real-time operating system and the STemWin graphical user interface, completes communication with the two lower computers through a wireless module and realizes the man-machine interaction function through an LCD capacitive screen.

[0078] According to one embodiment of the present application, the first lower computer 9-1 preferably selects STC8F2K08S2 module as the control core and further matches the ADS1115 conversion module and the AD623 instrument amplifier.

[0079] According to one embodiment of the present application, the STC8F2K08S2 module preferably contains a 27MHz clock circuit and is connected with the analog-digital conversion module by relying on the high-low level action of the serial data line SDA and the serial clock line SCL.

[0080] According to one embodiment of the present application, the second lower computer 9-2 preferably takes STM32 as the control core, further adds some information acquisition peripherals and stepper motor controllers and the like actuators, realizes two-way communication with the upper computer through a wireless module and is used for realizing variable disinfection operation.

[0081] According to one embodiment of the present application, the deformation generated in the spiral knife roller operation process generates voltage through the strain gauge, the voltage is amplified through the operational amplifier, is accepted by the measured circuit and is converted into a signal and transmitted to the first lower computer 9-1. Further, the data is transmitted to the upper computer. Real-time monitoring of the torsional force of the knife shaft is realized. The knife shaft is ensured to work within the normal range of values.

[0082] According to one embodiment of the present application, further, the flow control module of the control system 9 can detect the liquid ejection amount and the forward speed of the rotary tiller through the Hall flow meter and the speed sensor, the data is transmitted to the upper computer through the circuit. The upper computer controls the first lower computer 9-1, the first lower computer 9-1 controls the stepper motor, the throttle valve and the water pump and controls the forward speed of the machine body and the liquid flow.

[0083] In the working process of the present application, the overall power of the machine is provided by the front tractor. The tractor output power is brought to the front vertical rotary tillage blade shaft 3-1 of the rotary tillage device 3 through the gearbox 2 to drive it to rotate. The rear vertical rotary tillage blade shaft 3-2 is driven by the belt transmission between the front vertical rotary tillage blade shaft 3-1. In the process of rotating the front vertical rotary tillage blade shaft 3-1, the belt on the large pulley 5 is rotated. The rotation of the large pulley on the rear vertical rotary tillage blade shaft 3-2 is driven by the belt to rotate the rear vertical rotary tillage blade shaft 3-2. In the process of rotating the front and rear rotary tillage blade shafts, the straight blade 3-1-6 and the spiral blade 3-1-1 on the blade shaft are used to rotate the soil in different layers. Further, in the process of rotary tillage, the lithium battery 21 provides power for the high-pressure water pump 8-1, the air compressor 19 and the magnetic suspension high-frequency ultrasonic atomizing nozzle 11. The liquid in the liquid tank 10 flows into the atomizing device 8, enters the magnetic suspension high-frequency ultrasonic atomizing nozzle 11 through the high-pressure water pump 8-1 of the atomizing device 8, and in the magnetic suspension high-frequency ultrasonic atomizing nozzle 11, the high-speed gas provided by the air compressor 19 enters through the left end axial section air inlet hole 22, is accelerated to supersonic speed through the Laval tube 11-1, and is combined with the liquid flow in the liquid inlet section 11-3 at the throat of the Laval tube to realize the first atomization. The mist droplet group after the first atomization is small after hitting the high-speed rotating axial fan blade 14, and the small mist droplet hits the charging electrode plate 15 to carry electric charge through contact charging, and the charging electrode plate reduces the high-speed air from the Laval tube 11-1 to low speed. The charged liquid droplets are magnetized in the resonant cavity, and the magnetized charged liquid droplets are atomized and sprayed out of the metal film 11-4 at the outlet end of the resonant cavity. After that, it is sprayed into the soil through the spray hole of the rotary tillage device 3, and further sterilized in the rotary tillage process. After completing the rotary tillage and sterilization, the soil is leveled by the soil covering plate 6-1 in the soil covering device 6, and further the spring wire rod 6-3 controls the floating of the soil covering plate 6-1 to maintain the soil covering performance. Further, the machine is equipped with a sterilization control system 9, which includes one upper computer and two lower computers. The upper computer is installed in the cab for the driver to real-time understand the machine working information and adjust the sterilization flow of the machine. The first lower computer 9-1 measures the torque device installed below the reinforced rib plate of the front vertical rotary tillage blade shaft 3-1 by 30mm, measures the torque information and transmits it to the upper computer; the second lower computer 9-2 is installed in the flow regulation box of the rear frame 1, realizes the two-way communication with the upper computer, sends the upper link tension, forward speed, cutter roller speed and flowmeter data of the machine to the upper computer and receives the signal of the upper computer to adjust the sterilization spraying flow.

[0084] The working principle of the magnetic suspension high-frequency ultrasonic atomizing nozzle used in the present application is as follows:

[0085] As Figure 7(a), the magnetic levitation high-frequency ultrasonic atomizing nozzle includes a Laval nozzle 11-1, a liquid droplet charging device 11-2, a liquid inlet section 11-3, a magnetic levitation atomizing mover and a metal film 11-4. High-speed gas provided by an air compressor 19 is connected through the left end axial section air inlet hole 22, accelerated to supersonic speed through the Laval nozzle 11-1, and combined with the liquid flow of the liquid inlet section 11-3 at the throat of the Laval nozzle to achieve the first atomization. The high-speed gas-liquid mixed flow drives the right end axial fan blade 14 to rotate at high speed and cut the magnetic induction lines. The induced current is generated in the metal axial fan blade 14 to the charging electrode plate 15, so that the electrode plate is charged. After the first atomization, the mist droplet group hits the high-speed rotating axial fan blade 14, and the small mist droplets hit the charging electrode plate 15, and are charged through the contact charging method. At the same time, the charging electrode plate 15 reduces the high-speed air from the Laval nozzle 11-1 to low speed. After the excitation coil 17 is connected to the high-frequency drive power supply, the mover 16 is attracted and accelerated at the moving position 1 in the magnetic field generated by the excitation coil 17, as shown in Fig. (7) c, reaches the moving position 2 and is attracted in the opposite direction due to the change of the magnetic field direction, as shown in Fig. (7) c, so as to move in the opposite direction, and finally realize ultrasonic vibration with position 3 as the center. Because the small high-speed air from the Laval nozzle 11-1 forms a flow around the mover through the air flow channel, the mover is suspended, thereby forming a suspended ultrasonic vibration, greatly reducing the heat generation and friction loss of the mover. The charged mist droplet group is magnetized when it passes through the mover center and cuts the magnetic induction lines, as shown in Fig. (7) b. At the same time, the mover as a power source drives the metal film to vibrate synchronously at high frequency, and the magnetized charged mist droplets are discharged from the micro-holes of the metal film through the micro-pumping effect of the metal film small holes, and finally a large amount of magnetized charged fine mist droplets are sprayed.

[0086] A combined working machine comprising the vertical layered rotary tillage and disinfection device. During the operation of the combined working machine, the soil is first subjected to layered tillage and soil crushing by the vertical rotary tiller, and then the high-speed charged atomized liquid medicine generated by the disinfection device and the atomizing device is sprayed into the soft soil in layers to achieve complete and effective rotary tillage and disinfection of the soil, and finally the soil leveling device is used for leveling.

[0087] It should be understood that although the present specification is described in terms of various embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

[0088] The above detailed description merely illustrates feasible embodiments of the present application, and is not intended to limit the protection scope of the present application, and equivalent embodiments or changes made without departing from the spirit of the present application shall be included in the protection scope of the present application.

Claims

1. A vertical, layered rotary tillage disinfection device, characterized in that, It includes a frame (1), a gearbox (2), a rotary tiller (3), an atomizing device (8), and a liquid tank (10). The gearbox (2) is mounted on the frame (1), and the rotary tillage device (3) is set perpendicular to the ground and connected to the output shaft of the gearbox (2); The atomizing device (8) includes a high-pressure water pump (8-1), a magnetic levitation high-frequency ultrasonic atomizing nozzle (11), and an air compressor (19); the inlet (8-4) of the high-pressure water pump (8-1) is connected to the medicine tank (10) through a pipe, and the outlet (8-5) of the high-pressure water pump (8-1) is connected to the inlet of the magnetic levitation high-frequency ultrasonic atomizing nozzle (11) through a pipe; the air compressor (19) is connected to the air inlet of the magnetic levitation high-frequency ultrasonic atomizing nozzle (11). The magnetically levitated high-frequency ultrasonic atomizing nozzle (11) includes a Laval nozzle (11-1), a resonant cavity, a charging plate (15), a liquid inlet section (11-3), a high-frequency oscillator (16), and a metal film (11-4). The air compressor (19) is connected to the axial flow section interface of one end of the Laval nozzle (11-1), and the liquid inlet section (11-3) is connected to the throat of the Laval nozzle (11-1); the outlet end of the Laval nozzle (11-1) is connected to the inlet end of the resonant cavity, and a charging electrode plate (15) is provided at the connection point; a metal film (11-4) is provided at the outlet end of the resonant cavity, and multiple micro-holes are opened on the metal film (11-4); a high-frequency oscillator (16) and an excitation coil (17) are provided inside the resonant cavity, and the excitation coil (17) is connected to the driving power supply; The inlet and outlet ends of the Laval tube (11-1) are respectively provided with axial flow fan blades (14), and the axial flow fan (14) provided at the outlet end is placed at the front end of the charging plate (15); An air channel (20) is provided between the Laval tube (11-1) and the resonant cavity. The high-speed air drawn out forms a flow around the high-frequency oscillator (16) through the air channel (20), so that the high-frequency oscillator (16) is suspended. The rotary tillage device (3) includes multiple front-mounted vertical rotary tillage blade shafts (3-1) and rear-mounted vertical rotary tillage blade shafts (3-2); the length of the rear-mounted rotary tillage blade shaft (3-2) is shorter than the length of the front-mounted rotary tillage blade shaft (3-1); both the front-mounted vertical rotary tillage blade shaft (3-1) and the rear-mounted vertical rotary tillage blade shaft (3-2) are provided with axially extending spray holes, and the openings of the spray holes are connected to the outlet of the magnetic levitation high-frequency ultrasonic atomizing nozzle (11); the walls of the front-mounted vertical rotary tillage blade shaft (3-1) and the rear-mounted vertical rotary tillage blade shaft (3-2) are provided with multiple through holes (3-1-7) of different heights. The length of the rear vertical rotary tiller shaft (3-2) is 1 / 3 of the length of the front vertical rotary tiller shaft (3-1); The rear vertical rotary tiller shaft (3-2) is arranged behind the front vertical rotary tiller shaft (3-1), and a rear vertical rotary tiller shaft (3-2) is arranged between adjacent front vertical rotary tiller shafts (3-1). The front vertical rotary tiller shaft (3-1) is equipped with multiple sets of right-angle blades (3-1-6) at different heights around its circumference, and a spiral blade (3-1-1) is provided below the lowest right-angle blade (3-1-6); the rear vertical rotary tiller shaft (3-2) is equipped with a spiral blade (3-1-1) on its circumference. The power source outputs power to the rotary tillage device (3) through the gearbox (2). The front vertical rotary tillage blade shaft (3-1) and the rear vertical rotary tillage blade shaft (3-2) of different heights are used to perform rotary tillage and loosening of the soil in different layers. During the rotary tillage process, the liquid medicine in the liquid medicine tank (10) flows into the atomizing device (8), and enters the magnetic levitation high-frequency ultrasonic atomizing nozzle (11) through the high-pressure water pump (8-1) of the atomizing device (8). In the magnetic levitation high-frequency ultrasonic atomizing nozzle (11), high-speed gas supplied by the air compressor (19) enters from the air inlet (22) of the axial flow section at the left end of the magnetic levitation high-frequency ultrasonic atomizing nozzle (11), and passes through the Laval tube ( 11-1) Accelerate to supersonic speed, and merge with the liquid flow of the inlet section (11-3) at the throat of the Laval tube to achieve the first atomization. After the atomization, the droplets collide with the high-speed rotating axial flow fan blade (14) and the droplets become smaller. The smaller droplets collide with the charging plate (15) and are charged by contact charging. At the same time, the charging plate (15) reduces the high-speed air coming out of the Laval tube (11-1) to a low speed. The charged droplets enter the resonant cavity and are magnetized. The magnetized charged droplets are atomized and sprayed out by the metal film (11-4) placed at the outlet of the resonant cavity. Then, they are sprayed into the soil through the nozzle of the rotary tillage device (3) and the soil is disinfected during the rotary tillage process.

2. The vertical layered rotary tillage disinfection device according to claim 1, characterized in that, A permanent magnet ring (24) is provided on the outer wall of the inlet and outlet of the Laval tube (11-1) to form a magnetic field at the inlet and outlet of the Laval tube (11-1). The axial flow fan blade (14) at the inlet of the Laval tube (11-1) generates current by rotating and cutting the magnetic field through airflow. The axial flow fan blade (14) at the outlet of the Laval tube (11-1) generates current by rotating and cutting the magnetic field through gas-liquid mixed flow. The axial flow fan blade (14) is connected to the charging electrode plate (15) through the adjustment circuit.

3. The vertical layered rotary tillage disinfection device according to claim 1, characterized in that, The front-mounted vertical rotary tiller shaft (3-1) is driven to rotate by the large pulley (5) and the belt (12).

4. A combined operation machine, characterized in that, Includes the vertical layered rotary tillage disinfection device as described in any one of claims 1-3.

5. A disinfection method for a vertical stratified rotary tillage disinfection device according to any one of claims 1-3, characterized in that, Includes the following steps: The power source outputs power to the rotary tillage device (3) through the gearbox (2). The front vertical rotary tillage blade shaft (3-1) and the rear vertical rotary tillage blade shaft (3-2) of different heights are used to perform rotary tillage and loosening of the soil in different layers. During the rotary tillage process, the liquid medicine in the liquid medicine tank (10) flows into the atomizing device (8), and enters the magnetic levitation high-frequency ultrasonic atomizing nozzle (11) through the high-pressure water pump (8-1) of the atomizing device (8). In the magnetic levitation high-frequency ultrasonic atomizing nozzle (11), high-speed gas supplied by the air compressor (19) enters from the air inlet (22) of the axial flow section at the left end of the magnetic levitation high-frequency ultrasonic atomizing nozzle (11), and passes through the Laval tube ( 11-1) Accelerate to supersonic speed, and merge with the liquid flow of the inlet section (11-3) at the throat of the Laval tube to achieve the first atomization. After the atomization, the droplets collide with the high-speed rotating axial flow fan blade (14) and the droplets become smaller. The smaller droplets collide with the charging plate (15) and are charged by contact charging. At the same time, the charging plate (15) reduces the high-speed air coming out of the Laval tube (11-1) to a low speed. The charged droplets enter the resonant cavity and are magnetized. The magnetized charged droplets are atomized and sprayed out by the metal film (11-4) placed at the outlet of the resonant cavity. Then, they are sprayed into the soil through the nozzle of the rotary tillage device (3) and the soil is disinfected during the rotary tillage process.

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