Cotton defoliant spraying device and using method

Abstract

The invention provides a cotton defoliating agent spraying device and a use method. The cotton defoliating agent spraying device comprises a first spraying head which is horizontally arranged with a first water pump; the defoliating agent spraying function is distinguished and electrically connected with the controller, and whether the first spraying head or the second spraying head is started or not is selected according to cotton fields of different periods, different growth conditions and geographical factors. A controller comprising a microprocessor and a data acquisition module of a flow regulation intelligent control system is arranged; a data acquisition module of the flow regulation intelligent control system is electrically connected with the first humidity sensor and the second humidity sensor through sensor interfaces; the microprocessor is electrically connected with a data acquisition module of the flow regulation intelligent control system, so that active regulation of the flow according to real-time humidity is realized, uniform spraying of the defoliating agent is ensured, and the utilization rate is high; the using method of the cotton defoliant spraying device comprises the steps of preparation work, parameter presetting, growth condition judgment, formal starting and the like, and operation is easy.

Description

Technical Field

[0001] The invention belongs to the technical field of crop drug spraying equipment, and in particular relates to a cotton defoliant spraying device and a use method thereof. Background Art

[0002] Cotton is an important economic crop, and its production process requires effective defoliation to facilitate mechanized harvesting;

[0003] Cotton defoliant operation refers to the use of plant growth regulators to accelerate the aging and shedding of leaves, making mechanical harvesting more convenient, while also reducing the impurity content of cotton and thus improving the quality of cotton. Defoliant operation will accelerate the maturation process of cotton, so before cotton defoliant operation, it should be ensured that the effective cotton bolls have reached basic physiological maturity, vegetative growth has stopped, and the cotton plants have entered the natural aging period before the operation can be carried out. The maturity of cotton bolls will directly affect the effect of defoliant operation. Generally, the cotton boll opening rate is required to be above 40% before the operation begins, and the operation effect is better when the boll opening rate is 50%;

[0004] Traditional defoliant spraying methods often rely on manual or simple mechanical means, which have problems such as uneven spraying, low efficiency, and high labor intensity. Therefore, it is of great significance to develop a device that can spray defoliants evenly and efficiently. Summary of the invention

[0005] The invention aims at solving the problems in the prior art and provides a cotton defoliant spraying device and a use method thereof.

[0006] In order to achieve the above purpose, the technical solution adopted in this application is:

[0007] A cotton defoliant spraying device comprises a base, the top surface of the base is fixedly connected to a shell through a support column, a partition is fixedly installed at the center of the inner wall of the shell, and the shell below the partition stores cotton defoliant;

[0008] The first water pump and the second water pump are fixedly installed on the top surface of the partition, and the inlets of the first water pump and the second water pump are respectively connected to the interior of the shell below the partition through water pipes; the outlet of the first water pump is connected to the first spray head through a water pipe, and the outlet of the second water pump is connected to the second spray head through a water pipe; the first spray head and the first water pump are horizontally arranged on the left side of the first water pump; the second spray head is arranged above the shell; the angle between the opening direction of the second spray head and the horizontal plane is an acute angle;

[0009] The first water pump and the second water pump are equipped with flow regulating valves, and a controller equipped with a flow regulating intelligent control system is fixedly installed on the top surface of the partition between the first water pump and the second water pump. The first humidity sensor and the second humidity sensor are fixedly installed on the front side of the shell from bottom to top; the controller is electrically connected to the flow regulating valves in the first water pump and the second water pump and the first humidity sensor and the second humidity sensor, respectively.

[0010] Preferably, the controller includes a battery, a microprocessor and a data acquisition module of the flow regulation intelligent control system; the data acquisition module of the flow regulation intelligent control system is electrically connected to the first humidity sensor and the second humidity sensor respectively through the sensor interface; the microprocessor is electrically connected to the data acquisition module of the flow regulation intelligent control system.

[0011] Preferably, the microprocessor is an ARM processor; the control algorithm of the microprocessor is a fuzzy control algorithm; the fuzzy algorithm receives data fed back by the first humidity sensor and the second humidity sensor.

[0012] Preferably, the fuzzy algorithm input variables are: low humidity, medium humidity, high humidity; the output variables are: reduce flow, keep flow unchanged, increase flow;

[0013] In the humidity membership function: the low humidity membership function is a triangular membership function, ranging from 0-30%; the medium humidity membership function is a triangular membership function, ranging from 30-60%; the high humidity triangular membership function, ranging from 60-100%;

[0014] The fuzzy algorithm rules are as follows: if the humidity is low, increase the flow rate; if the humidity is medium, keep it unchanged; if the humidity is high, reduce the flow rate.

[0015] Preferably, the first spray head comprises a water pipeline, a porous atomizing plate, an ultrasonic generator, a conductive funnel and a spray head body; the first water pump outlet is connected to the water pipeline through a water pipe; the water pipeline outlet is connected to the porous atomizing plate; the porous atomizing plate outlet is connected to the spray head body through an ultrasonic box, the top surface of the ultrasonic box is fixedly connected to the conductive funnel outlet, and the conductive funnel inlet is fixedly connected to the ultrasonic generator outlet.

[0016] Preferably, the second spray head comprises an atomizing tube, a fan, and an exhaust port; the atomizing tube is rotatably connected to the top surface of the shell through an active support frame and a driven support frame; the driven support frame is hinged to the bottom surface of one end of the atomizing tube close to the air inlet through a connecting plate; the active support frame is fixedly connected to the bottom surface of one end of the atomizing tube close to the air outlet;

[0017] The top surface of the atomizing tube is connected to the outlet of the second water pump through a water pipe;

[0018] The fan is fixedly mounted on the top surface of the shell; the fan is connected to the exhaust fan through an air duct, and the exhaust fan is fixedly mounted on the inner wall of the atomizer tube near the air inlet; a forward and reverse motor is fixedly mounted on the top surface of the fan, and the output end of the forward and reverse motor is horizontally arranged to the left, and the output end of the forward and reverse motor is fixedly connected to a threaded rod, and the end of the threaded rod away from the fixed installation of the forward and reverse motor is rotatably connected to a support plate through a rolling bearing; the end of the active support frame away from the connection with the atomizer tube is sleeved on the side of the threaded rod.

[0019] Preferably, a rotating shaft is arranged between the base and the shell; baffles are rotatably connected to the front and rear ends of the rotating shaft respectively, and the baffles are fixedly connected to the front and rear sides of the base; a driven gear is sleeved on the middle of the side of the rotating shaft; a rotating motor is also fixedly connected to the top surface of the base, and a driving gear is fixedly connected to the side of the output end of the rotating motor, and the driving gear is meshed with the driven gear;

[0020] The front and rear bottom surfaces of the rotating shaft are respectively fixedly connected with a turntable, and a circular ring array is provided on the side of the turntable. Each driven wheel group includes two driven wheels, and the bottom surface of the driven wheel is tangent to the vertical line of the center of the turntable.

[0021] A method for using a cotton defoliant spraying device, the specific operating steps are as follows:

[0022] Step 1: Preparation: dilute the defoliant according to the proportion in the instructions, and quickly feed it into the shell through the liquid adding tube after dilution;

[0023] Turn on the flow regulation intelligent control system of the controller for preloading, wait for the system initialization to be completed, connect the display, and check the system status; when the system loading is completed and the display shows the real-time humidity, use a standard hygrometer to calibrate the first humidity sensor and the second humidity sensor, and record the calibration results;

[0024] Step 2: Preset parameters: Set target flow rates for the first water pump and the second water pump. The target flow rate for the first water pump is 1L / min; the target flow rate for the second water pump is 5L / min.

[0025] Step 3: Determine the growth status: select whether to open or close the built-in flow regulating valves of the first water pump and the second water pump according to different periods, different growth conditions and geographical factors, and at least one of the built-in flow regulating valves of the first water pump and the second water pump is opened;

[0026] Step 4: Formal start: Start the rotary motor to move the cotton defoliant spraying device to spray the defoliant on the cotton.

[0027] Compared with the prior art, the advantages and positive effects of the present invention are:

[0028] The present invention discloses a cotton defoliant spraying device and a method for using the same. The first spray head is horizontally arranged with a first water pump and is responsible for spraying lower leaves. The spray head spacing is small to ensure the spraying density. The second spray head is arranged above a shell and is responsible for spraying higher leaves. The spray head spacing is large and the coverage is wide. The defoliant spraying functions are distinguished and electrically connected to the controller respectively. Whether to enable the first spray head or the second spray head is selected for cotton fields of different periods, different growth conditions and geographical factors. The controller is provided with a data acquisition module including a microprocessor and a flow regulation intelligent control system. The data acquisition module of the flow regulation intelligent control system is electrically connected to the first humidity sensor and the second humidity sensor respectively through a sensor interface. The microprocessor is electrically connected to the data acquisition module of the flow regulation intelligent control system to realize active adjustment of the flow according to the real-time humidity, thereby ensuring uniform spraying of the defoliant and high utilization rate. The method for using the cotton defoliant spraying device comprises the steps of preparation, preset parameters, judging the growth condition and formally starting, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0030] Figure 1 It is a cross-sectional view of the structural schematic diagram of the present invention;

[0031] Figure 2 It is a front view of the structural schematic diagram of the present invention;

[0032] Figure 3 It is a right view of the structural schematic diagram of the present invention (without the driven wheel set);

[0033] In the above figures, 1, base; 2, support column; 3, shell; 4, partition; 5, first water pump; 6, first sprinkler head; 601, water pipe; 602, porous atomizing plate; 603, ultrasonic generator; 604, conduction funnel; 605, sprinkler head body; 606, ultrasonic box; 7, second sprinkler head; 701, atomizing tube; 702, fan; 703, exhaust port; 704, active support frame; 705, driven support frame; 706, forward and reverse motor; 707, threaded rod; 8, controller; 9, first humidity sensor; 10, second humidity sensor; 11, rotating shaft; 12, baffle; 13, driven gear; 14, rotating motor; 15, active gear; 16, turntable; 17, driven wheel group. DETAILED DESCRIPTION

[0034] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0035] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0036] Embodiment 1, as Figures 1 to 3 As shown, a cotton defoliant spraying device of the present application comprises a base 1; the top surface of the base 1 is fixedly connected to a shell 3 through four support columns 2, a partition 4 is fixedly installed at the center of the inner wall of the shell 3, and the shell 3 below the partition 4 stores the cotton defoliant after secondary dilution. The internal volume of the shell below the partition 4 is 50L; the cotton defoliant is selected from Ritolong defoliant; the defoliant is added into the shell 3 through a liquid adding pipe with a valve connected to the back of the shell 3;

[0037] The first water pump 5 and the second water pump are fixedly installed on the top surface of the partition 4, and the inlets of the first water pump 5 and the second water pump are respectively connected to the interior of the shell 3 below the partition 4 through a water pipe passing through the partition 4; the outlet of the first water pump 5 is connected to the first spray head 6 through a water pipe, and the outlet of the second water pump is connected to the second spray head 7 through a water pipe; the first spray head 6 is horizontally arranged with the first water pump 5; specifically, the first spray head 6 is fixedly installed on the top surface of the partition 4 and arranged on the left side of the first water pump 5; the second spray head 7 is arranged above the shell 3; the angle between the opening direction of the second spray head 7 and the horizontal plane is an acute angle;

[0038] The first water pump 5 and the second water pump are equipped with flow regulating valves, and a controller 8 equipped with a flow regulating intelligent control system is fixedly installed on the top surface of the partition 4 between the first water pump 5 and the second water pump. The front of the shell 3 is respectively fixedly equipped with a first humidity sensor 9 and a second humidity sensor 10 from bottom to top; in this embodiment, the first humidity sensor 9 and the second humidity sensor 10 are both resistive humidity sensors; the controller 8 is electrically connected to the flow regulating valves in the first water pump 5 and the second water pump and the first humidity sensor 9 and the second humidity sensor 10 respectively; the setting of the controller containing the flow regulating intelligent control system can The spraying amount, spraying time and spraying range are automatically controlled according to preset parameters, and the opening size of the built-in flow regulating valve of the first water pump 5 and the second water pump is adjusted in real time through the sensor to change the spraying effect, improve the spraying efficiency and utilization rate, and ensure uniform spraying; the setting of the double-layer nozzle will refine the spraying function according to different periods, different growth conditions and geographical factors. The first spray head 6 at the same horizontal plane as the first water pump 5 is responsible for spraying the lower leaves, and the nozzle spacing is small to ensure the spraying density; the second spray head 7 arranged above the shell 3 is responsible for spraying the higher leaves, and the nozzle spacing is large, and the coverage range is wide;

[0039] The controller 8 includes a battery, a microprocessor and a data acquisition module of a flow regulation intelligent control system; the data acquisition module of the flow regulation intelligent control system is electrically connected to the first humidity sensor 9 and the second humidity sensor 10 through a sensor interface; the microprocessor is electrically connected to the data acquisition module of the flow regulation intelligent control system; specifically, the microprocessor receives the humidity detection data of the first humidity sensor 9 and the second humidity sensor 10 transmitted by the data acquisition module of the flow regulation intelligent control system, and then controls the opening size of the built-in flow regulating valve of the first water pump 5 and the second water pump;

[0040] The microprocessor is an ARM processor; the control algorithm of the microprocessor is a fuzzy control algorithm; the fuzzy algorithm receives the data fed back by the first humidity sensor 9 and the second humidity sensor 10;

[0041] The input variables of the fuzzy algorithm are: low humidity, medium humidity, high humidity; the output variables are: reduce flow, keep flow unchanged, increase flow;

[0042] In the humidity membership function: the low humidity membership function is a triangular membership function, ranging from 0% to 30%; the medium humidity membership function is a triangular membership function, ranging from 30% to 60%; the high humidity triangular membership function, ranging from 60% to 100%;

[0043] The fuzzy algorithm rules are as follows: if the humidity is low, increase the flow rate; if the humidity is medium, keep it unchanged; if the humidity is high, reduce the flow rate; in this embodiment, the humidity measured at the first humidity sensor 9 is 22%, which is low humidity, so the flow rate is increased; that is, the flow rate regulating valve in the first water pump 5 is controlled to open wider; the humidity measured at the second humidity sensor 10 is 33%, which is medium humidity, so the flow rate remains unchanged; that is, the flow rate regulating valve in the second water pump is controlled to open unchanged;

[0044] The first spray head 6 includes a water pipe 601, a porous atomizing plate 602, an ultrasonic generator 603, a conductive funnel 604 and a spray head body 605; the outlet of the first water pump 5 is connected to the water pipe 601 through a water pipe; the defoliant is initially diverted in the water pipe 601; the outlet of the water pipe 601 is connected to the porous atomizing plate 602; the porous atomizing plate 602 is set to atomize the defoliant into tiny particles; the outlet of the porous atomizing plate 602 is connected to the spray head body 605 through an ultrasonic box 606, the top surface of the ultrasonic box 606 is fixedly connected to the outlet of the conductive funnel 604, and the inlet of the conductive funnel 604 is fixedly connected to the outlet of the ultrasonic generator 603; when in use, the ultrasonic wave emitted by the ultrasonic generator 603 is introduced into the ultrasonic box 606 for vibration, thereby further refining the atomized particles;

[0045] The second spray head 7 includes an atomizing tube 701, a fan 702, and an exhaust port 703; the atomizing tube 701 is rotatably connected to the top surface of the housing 3 through an active support frame 704 and a driven support frame 705; the driven support frame 705 is hinged to the bottom surface of one end of the atomizing tube 701 close to the air inlet through a connecting plate; the active support frame 704 is fixedly connected to the bottom surface of one end of the atomizing tube 701 close to the air outlet;

[0046] The top surface of the atomizing tube 701 is connected to the outlet of the second water pump through a water pipe;

[0047] The fan 702 is fixedly mounted on the top surface of the shell 3; the fan 702 is connected to the exhaust fan 703 through the air duct, and the exhaust fan 703 is fixedly mounted on the inner wall of the atomizer tube 701 near the air inlet; a forward and reverse motor 706 is fixedly mounted on the top surface of the fan 702, and the output end of the forward and reverse motor 706 is horizontally arranged to the left, and the output end of the forward and reverse motor 706 is fixedly connected to a threaded rod 707, and the end of the threaded rod 707 away from itself and the forward and reverse motor 706 is rotatably connected to a support plate through a rolling bearing; the end of the active support frame 704 away from itself and the atomizer tube 701 is sleeved on the side of the threaded rod 707; when in use, the forward and reverse motor 706 is controlled to control the rotation of the threaded rod, so as to drive the active support frame 704 to move left and right, thereby realizing the change of the direction of the air outlet of the atomizer tube 701;

[0048] A rotating shaft 11 is provided between the base 1 and the housing 3; baffles 12 are rotatably connected to the front and rear ends of the rotating shaft 11, respectively, and the baffles 12 are fixedly connected to the front and rear sides of the base 1; a driven gear 13 is sleeved on the middle of the side of the rotating shaft 11; a rotating motor 14 is also fixedly connected to the top surface of the base 1, and a driving gear 15 is fixedly connected to the side of the output end of the rotating motor 14, and the driving gear 15 is meshed with the driven gear 13;

[0049] The front and rear bottom surfaces of the rotating shaft 11 are respectively fixedly connected with a rotating disk 16, and a driven wheel group 17 is arranged in a circular array on the side of the rotating disk, each driven wheel group 17 includes two driven wheels, and the bottom surface of the driven wheel is tangent to the vertical line of the center of the rotating disk; in this embodiment, four driven wheel groups 17 are provided, and the driven wheel groups 17 are rotated with the bottom center of the rotating shaft 11 as the axis by providing power through the rotating motor 14, so that different driven wheel groups 17 are switched to contact with the ground in turn, so as to achieve the purpose of crossing obstacles and small pits, which is suitable for field operations;

[0050] A method for using a cotton defoliant spraying device, the specific operating steps are as follows:

[0051] Step 1: Preparation: dilute the defoliant according to the proportion in the instructions, and quickly feed it into the housing 3 through the liquid adding pipe 11 after the dilution is completed;

[0052] Open the flow regulation intelligent control system of the controller 8 for preloading, wait for the system initialization to be completed, connect the display, and check the system status; the display is a common technical means in this field, the display is matched with the ARM processor, and the display is a touch screen; when the system loading is completed and the display shows real-time appropriateness, use a standard hygrometer to calibrate the first humidity sensor 9 and the second humidity sensor 10, and record the calibration results;

[0053] Step 2: Preset parameters: set target flow rates for the first water pump 5 and the second water pump. The target flow rate for the first water pump 5 is 1 L / min; the target flow rate for the second water pump is 5 L / min;

[0054] Step 3: Determine the growth status: select whether the built-in flow regulating valves of the first water pump 5 and the second water pump are opened or closed according to different periods, different growth conditions and geographical factors, and at least one of the built-in flow regulating valves of the first water pump 5 and the second water pump is opened;

[0055] Step 4: Formal start: Start the rotary motor 14 to move the cotton defoliant spraying device to spray the defoliant on the cotton.

[0056] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A cotton defoliant spraying device, comprising a base (1), characterized in that: The top surface of the base (1) is fixedly connected to a shell (3) via a support column (2); a partition (4) is fixedly installed at the center of the inner wall of the shell (3); and the shell (3) below the partition (4) stores cotton defoliant; A first water pump (5) and a second water pump are fixedly mounted on the top surface of the partition (4); the inlets of the first water pump (5) and the second water pump are respectively connected to the interior of the shell (3) below the partition (4) through water pipes; the outlet of the first water pump (5) is connected to a first spray head (6) through a water pipe, and the outlet of the second water pump is connected to a second spray head (7) through a water pipe; the first spray head (6) and the first water pump (5) are horizontally arranged on the left side of the first water pump (5); the second spray head (7) is arranged above the shell (3); the angle between the opening direction of the second spray head (7) and the horizontal plane is an acute angle; The first water pump (5) and the second water pump are provided with flow regulating valves, a controller (8) equipped with a flow regulating intelligent control system is fixedly mounted on the top surface of the partition (4) between the first water pump (5) and the second water pump, and a first humidity sensor (9) and a second humidity sensor (10) are fixedly mounted on the front surface of the housing (3) from bottom to top; the controller (8) is electrically connected to the flow regulating valves in the first water pump (5) and the second water pump and the first humidity sensor (9) and the second humidity sensor (10), respectively.

2. A cotton defoliant spraying device according to claim 1, characterized in that: The controller (8) comprises a storage battery, a microprocessor and a data acquisition module of a flow regulation intelligent control system; the data acquisition module of the flow regulation intelligent control system is electrically connected to a first humidity sensor (9) and a second humidity sensor (10) via a sensor interface; and the microprocessor is electrically connected to the data acquisition module of the flow regulation intelligent control system.

3. A cotton defoliant spraying device according to claim 2, characterized in that: The microprocessor is an ARM processor; the control algorithm of the microprocessor is a fuzzy control algorithm; the fuzzy algorithm receives data fed back by the first humidity sensor (9) and the second humidity sensor (10).

4. A cotton defoliant spraying device according to claim 3, characterized in that: The input variables of the fuzzy algorithm are: low humidity, medium humidity, high humidity; the output variables are: reduce flow, keep flow unchanged, increase flow; In the humidity membership function: the low humidity membership function is a triangular membership function, ranging from 0% to 30%; the medium humidity membership function is a triangular membership function, ranging from 30% to 60%; the high humidity triangular membership function, ranging from 60% to 100%; The fuzzy algorithm rules are as follows: if the humidity is low, increase the flow rate; if the humidity is medium, keep it unchanged; if the humidity is high, reduce the flow rate.

5. A cotton defoliant spraying device according to claim 1, characterized in that: The first spray head (6) comprises a water pipeline (601), a porous atomizing plate (602), an ultrasonic generator (603), a conductive funnel (604) and a spray head body (605); the outlet of the first water pump (5) is connected to the water pipeline (601) through a water pipe; the outlet of the water pipeline (601) is connected to the porous atomizing plate (602); the outlet of the porous atomizing plate (602) is connected to the spray head body (605) through an ultrasonic box (606); the outlet of the conductive funnel (604) is fixedly connected to the top surface of the ultrasonic box (606); and the outlet of the conductive funnel (604) is fixedly connected to the outlet of the ultrasonic generator (603) at the inlet of the conductive funnel (604).

6. A cotton defoliant spraying device according to claim 1, characterized in that: The second spray head (7) comprises an atomizing tube (701), a fan (702), and an air outlet (703); the atomizing tube (701) is rotatably connected to the top surface of the shell (3) via an active support frame (704) and a driven support frame (705); the driven support frame (705) is hinged to the bottom surface of one end of the atomizing tube (701) close to the air inlet via a connecting plate; the active support frame (704) is fixedly connected to the bottom surface of one end of the atomizing tube (701) close to the air outlet; The top surface of the atomizing tube (701) is connected to the outlet of the second water pump through a water pipe; The fan (702) is fixedly mounted on the top surface of the housing (3); the fan (702) is connected to the exhaust fan (703) through an air duct, and the exhaust fan (703) is fixedly mounted on the inner wall of the atomizing tube (701) near the air inlet; a forward and reverse motor (706) is fixedly mounted on the top surface of the fan (702), and the output end of the forward and reverse motor (706) is horizontally arranged to face left, and the output end of the forward and reverse motor (706) is fixedly connected to a threaded rod (707), and the end of the threaded rod (707) away from the forward and reverse motor (706) is rotatably connected to a support plate via a rolling bearing; the end of the active support frame (704) away from the atomizing tube (701) is sleeved on the side of the threaded rod (707).

7. A cotton defoliant spraying device according to claim 1, characterized in that: A rotating shaft (11) is arranged between the base (1) and the housing (3); baffles (12) are rotatably connected to the front and rear ends of the rotating shaft (11), and the baffles (12) are fixedly connected to the front and rear side surfaces of the base (1); a driven gear (13) is sleeved on the middle part of the side surface of the rotating shaft (11); a rotating motor (14) is also fixedly connected to the top surface of the base (1), and a driving gear (15) is fixedly connected to the side surface of the output end of the rotating motor (14), and the driving gear (15) is meshed with the driven gear (13); The front and rear bottom surfaces of the rotating shaft (11) are respectively fixedly connected with a turntable (16), and a driven wheel group (17) is arranged in a circular array on the side of the turntable. Each driven wheel group (17) includes two driven wheels, and the bottom surface of the driven wheel is tangent to the vertical line of the center of the turntable.

8. A method for using a cotton defoliant spraying device according to any one of claims 1 to 7, characterized in that: The specific steps are as follows: Step 1: Preparation: dilute the defoliant according to the proportion in the instruction manual, and after the dilution is completed, quickly feed it into the housing (3) through the liquid adding pipe (11); The flow regulating intelligent control system of the controller (8) is turned on for preloading, and the system initialization is waited for completion, and the display is connected to check the system status; when the system loading is completed and the display shows real-time appropriateness, the first humidity sensor (9) and the second humidity sensor (10) are calibrated using a standard hygrometer, and the calibration results are recorded; Step 2: Preset parameters: set target flow rates for the first water pump (5) and the second water pump, the target flow rate for the first water pump (5) being 1 L / min; the target flow rate for the second water pump being 5 L / min; Step 3: Determine the growth status: select whether to open or close the built-in flow regulating valves of the first water pump (5) and the second water pump according to different periods, different growth conditions and geographical factors, and at least one of the built-in flow regulating valves of the first water pump (5) and the second water pump is opened; Step 4: Formal start: Start the rotary motor (14) to move the cotton defoliant spraying device to spray the defoliant on the cotton.

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