Pesticide spraying device for crop pest prevention and control

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a pesticide spraying device for crop pest prevention and control, which comprises a movable frame, a pesticide storage tank body arranged on the movable frame and used for storing pesticide, and a spraying mechanism arranged on the movable frame and used for pumping and spraying the pesticide in the pesticide storage tank body, a swing rod is hinged to the mounting plate, a swing angle adjusting mechanism for adjusting the swing angle of the swing rod is arranged on the mounting plate, and the spraying mechanism comprises a spray head arranged on the swing rod, a liquid pumping hose connected between the spray head and the pesticide storage tank body and a liquid pumping pump for pumping pesticide in the pesticide storage tank body to the spray head; the swing angle adjusting mechanism comprises a sliding block slidably connected to the mounting plate, a first hinge rod with one end hinged to the free end of the swing rod and the other end hinged to the sliding block, and a displacement adjusting assembly for adjusting the sliding position of the sliding block. The device has the effect that the spraying angle of the spray head can be conveniently adjusted.

Description

Technical Field

[0001] The present application relates to the technical field of agricultural machinery, and in particular to a pesticide spraying device for controlling crop pests. Background Art

[0002] During the growing season, crops often require pesticide spraying for pest control. A pesticide sprayer is a type of agricultural machinery that disperses liquids and is a type of agricultural pesticide application machine. Existing pesticide sprayers typically use fixed nozzles, making it difficult to adjust the spray range. Therefore, further improvements are needed. Utility Model Content

[0003] In order to facilitate the adjustment of the spraying angle of a nozzle, the present application provides a pesticide spraying device for crop pest control.

[0004] The present application provides a pesticide spraying device for crop pest control that adopts the following technical solution:

[0005] A pesticide spraying device for crop pest control comprises a mobile frame, a medicine storage tank body arranged on the mobile frame for storing pesticides, and a spraying mechanism arranged on the mobile frame for pumping and spraying the pesticide in the medicine storage tank body. The mobile frame is provided with a mounting plate, the mounting plate is hinged with a rocker arm, and the mounting plate is provided with a swing angle adjustment mechanism for adjusting the swing angle of the rocker arm. The spraying mechanism comprises a nozzle arranged on the rocker arm, a liquid suction hose connected between the nozzle and the medicine storage tank body, and a liquid suction pump for pumping the pesticide in the liquid storage tank body to the nozzle head. The swing angle adjustment mechanism comprises a slider slidably connected to the mounting plate, a first hinged rod with one end hinged to the free end of the rocker arm and the other end hinged to the slider, and a displacement adjustment component for adjusting the sliding position of the slider.

[0006] By adopting the above technical solution, the pesticide in the liquid storage tank is pumped to the nozzle through the liquid pump, and sprayed out from the nozzle to spray the crops. The sliding position of the slider is adjusted by the displacement adjustment component, and the swing angle of the swing arm is adjusted by the first hinged rod, thereby facilitating the adjustment of the pesticide spraying angle of the nozzle, thereby improving the spraying range of the pesticide sprayed by the nozzle.

[0007] Preferably, the displacement adjustment assembly includes an adjustment screw that is rotatably connected to the mounting plate and threadedly penetrates the slider, and the axial direction of the adjustment screw is parallel to the sliding direction of the slider.

[0008] By adopting the above technical solution, by rotating the adjusting screw, the slider is restricted by the thread of the adjusting screw and slides along the axial direction of the adjusting screw.

[0009] Preferably, the displacement adjustment assembly further includes an adjustment motor for driving the adjustment screw to rotate.

[0010] By adopting the above technical solution and adding an adjusting motor, the convenience of rotating the adjusting screw is improved.

[0011] Preferably, the mounting plate is connected to the movable frame in a vertical sliding manner, and the movable frame is provided with a height adjustment member for adjusting the height position of the mounting plate.

[0012] By adopting the above technical solution, the height position of the mounting plate is adjusted by the height adjusting member, thereby adjusting the height position of the spray head to adapt to the spraying operation of crops at different heights.

[0013] Preferably, the height adjustment member is a lifting cylinder located below the mounting plate, the cylinder body of the lifting cylinder is fixedly connected to the moving frame, and the piston rod of the lifting cylinder is fixedly connected to the lower end surface of the mounting plate.

[0014] By adopting the above technical solution, the height position of the mounting plate is adjusted by telescoping the piston rod of the lifting cylinder, and the response speed of the cylinder is fast, thereby improving the adjustment efficiency.

[0015] Preferably, the medicine storage tank body is provided with a stirring mechanism for stirring the pesticide, and the stirring mechanism includes a stirring shaft rotatably connected to the top wall of the medicine storage tank body, a plurality of stirring rods arranged on the side wall of the hinge shaft, and a stirring motor arranged on the upper end surface of the medicine storage tank body to drive the stirring shaft to rotate.

[0016] By adopting the above technical solution, the stirring motor is started to drive the stirring shaft and the stirring rod to rotate together, thereby stirring and mixing the pesticide in the storage tank, and continuously stirring the pesticide during the spraying operation, effectively reducing the possibility of pesticide deposition and improving the concentration uniformity of the pesticide.

[0017] Preferably, the stirring rod is hinged to the outer side wall of the stirring shaft, and the stirring shaft is provided with a swing driving mechanism for driving the free end of the stirring rod to swing back and forth.

[0018] By adopting the above technical solution, the swing drive mechanism drives the free end of the stirring rod to swing back and forth, thereby stirring the liquid medicine at different positions of the medicine storage tank body, thereby improving the stirring effect.

[0019] Preferably, the lower end surface of the stirring shaft is provided with an installation cavity along the axial direction, and the outer wall of the stirring shaft is provided with an avoidance groove connected to the installation cavity. The swing drive mechanism includes an active rod inserted into the installation cavity for axial sliding, a second hinged rod hinged to the active rod at one end and to the stirring rod at the other end, and a driving component for driving the active rod to slide, and the second hinged rod is passed through the avoidance groove.

[0020] By adopting the above technical solution, the active rod is driven to slide by the driving component, and the active rod drives the free end of the stirring rod to swing through the second hinged rod.

[0021] Preferably, the mobile frame is rotatably connected to a walking shaft, and a walking wheel is coaxially fixed to the walking shaft. The driving component includes a linkage rod that slides vertically through the bottom wall of the medicine storage tank and the moving frame, a touch plate fixedly connected to the linkage rod, a control shaft rotatably connected to the moving frame, a turntable coaxially fixedly sleeved on the control shaft, and an eccentric rod arranged on the end face of the turntable, the linkage rod is rotatably connected to the active rod, and the touch plate is provided with a driving groove, the driving groove is a strip groove and the length direction of the driving groove is perpendicular to the sliding direction of the linkage rod, the eccentric rod slides through the driving groove, and a synchronization component is provided between the walking shaft and the control shaft.

[0022] By adopting the above technical solution, the walking wheels and walking shafts rotate during the movement, and the control shaft is driven to rotate through the synchronization component, thereby driving the turntable to rotate. During the 180° rotation of the turntable, the eccentric rod is driven to rotate, so that when the eccentric rod abuts the inner wall of the driving groove close to the linkage rod, the touch plate and the linkage rod are pushed upward. During the further rotation of the turntable 180°, when the eccentric rod abuts the inner wall of the driving groove away from the linkage rod, the touch plate and the linkage rod are pushed downward, so that the linkage rod can be lifted and lowered back and forth once when the turntable rotates one circle, thereby realizing the lifting and sliding of the active rod.

[0023] In summary, the present invention has the following beneficial effects:

[0024] 1. The liquid pump pumps the pesticide in the liquid storage tank to the nozzle, where it is sprayed out to spray the crops. The displacement adjustment component adjusts the sliding position of the slider, and the first hinged rod adjusts the swing angle of the swing arm, thereby facilitating the adjustment of the spraying angle of the nozzle and improving the spraying range of the nozzle.

[0025] 2. Adjust the height of the mounting plate through the height adjustment piece, thereby adjusting the height of the nozzle to adapt to the spraying operation of crops at different heights;

[0026] 3. The swing drive mechanism drives the free end of the stirring rod to swing back and forth, stirring the liquid medicine at different positions of the medicine storage tank to improve the stirring effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of a pesticide spraying device for crop pest control;

[0028] Figure 2 It is a structural diagram of the swing angle adjustment mechanism;

[0029] Figure 3 It is a structural diagram of the stirring mechanism;

[0030] Figure 4 It is a schematic diagram of the connection structure between the stirring shaft and the stirring rod;

[0031] Figure 5 It is a schematic diagram of the connection structure of the turntable.

[0032] In the figure, 1. moving frame; 11. walking axis; 12. walking wheel; 13. push handle; 14. guide tube; 15. guide rod; 16. lifting cylinder; 2. medicine storage tank; 3. spraying mechanism; 31. nozzle; 32. liquid extraction hose; 33. liquid extraction pump; 4. mounting plate; 41. fixing block; 42. swing rod; 5. swing angle adjustment mechanism; 51. slider; 52. first hinge rod; 53. displacement adjustment assembly; 531. adjusting screw Rod; 532, regulating motor; 6, stirring mechanism; 61, stirring shaft; 611, mounting cavity; 612, avoidance groove; 62, stirring rod; 63, stirring motor; 7, swing drive mechanism; 71, active rod; 72, second hinged rod; 73, driving component; 731, linkage rod; 732, touch plate; 733, control shaft; 734, turntable; 735, eccentric rod; 8, synchronization assembly; 81, synchronization wheel; 82, synchronization belt. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-5 This application is described in further detail.

[0034] The present application discloses a pesticide spraying device for controlling crop pests, referring to Figure 1 It includes a mobile frame 1, a medicine storage tank body 2 fixedly connected to the mobile frame 1 for storing pesticides, and a spraying mechanism 3 arranged on the mobile frame 1 for pumping and spraying the pesticide in the medicine storage tank body 2.

[0035] The bottom of the front and rear sides of the mobile frame 1 are rotatably connected to a walking shaft 11, and both ends of the walking shaft 11 are coaxially fixed with walking wheels 12. The rear side of the mobile frame 1 is fixedly connected to a push handle rod 13. The upper end face of the front side of the mobile frame 1 is fixedly connected to a guide tube 14. The guide tube 14 is vertically arranged. There are two guide tubes 14 and they are spaced apart along the width direction of the mobile frame 1. The guide tube 14 is axially slidably connected to a guide rod 15. The upper end face of the guide rod 15 is fixedly connected to the mounting plate 4. The mobile frame 1 is provided with a height adjustment member for adjusting the height position of the mounting plate 4. Specifically, the height adjustment member is a lifting cylinder 16 located below the mounting plate 4. The lifting cylinder 16 is located between the two guide tubes 14. The cylinder body of the lifting cylinder 16 is fixedly connected to the mobile frame 1, and the piston rod of the lifting cylinder 16 is fixedly connected to the lower end face of the mounting plate 4.

[0036] Reference Figure 2A fixing block 41 is fixedly connected to both sides of the mounting plate 4. The fixing block 41 is hingedly connected to a rocker arm 42. Two rocker arms 42 are provided, one located on each side of the mounting plate 4. The mounting plate 4 is provided with a rocker angle adjustment mechanism 5 for adjusting the rocker angle of the rocker arm 42. The rocker angle adjustment mechanism 5 includes a slider 51 that is slidably connected to the mounting plate 4 along the length of the mounting plate 4, a first hinged rod 52 with one end hinged to the free end of the rocker arm 42 and the other end hinged to the slider 51, and a displacement adjustment assembly 53 that adjusts the sliding position of the slider 51. The displacement adjustment assembly 53 includes an adjustment screw 531 and an adjustment motor 532. The adjustment screw 531 is rotatably connected to the fixing block 41 and is threaded through the slider 51. The axial direction of the adjustment screw 531 is parallel to the sliding direction of the slider 51. The adjustment motor 532 is fixedly connected to the mounting plate 4, and the output shaft of the adjustment motor 532 is coaxially fixedly connected to the end of the adjustment screw 531 away from the fixing block 41.

[0037] Reference Figure 1 、 Figure 3 The spraying mechanism 3 includes a nozzle 31 fixedly connected to the rocker arm 42, a liquid extraction hose 32 connected between the nozzle 31 and the medicine storage tank body 2, and a liquid extraction pump 33 that extracts the pesticide in the liquid storage tank body to the nozzle 31. The medicine storage tank body 2 is provided with a stirring mechanism 6 for stirring the pesticide. The stirring mechanism 6 includes a stirring shaft 61 rotatably connected to the top wall of the medicine storage tank body 2, a plurality of stirring rods 62 hinged to the outer wall of the hinge shaft, and a stirring motor 63 fixedly connected to the upper end surface of the medicine storage tank body 2 to drive the stirring shaft 61 to rotate. The output shaft of the stirring motor 63 is rotatably penetrated through the top wall of the medicine storage tank body 2 and is coaxially fixedly connected to the upper end of the stirring shaft 61.

[0038] Reference Figure 3 、 Figure 4 The lower end surface of the stirring shaft 61 is provided with an installation cavity 611 along the axial direction. The outer wall of the stirring shaft 61 is provided with an avoidance groove 612 connected to the installation cavity 611. The stirring shaft 61 is provided with a swing drive mechanism 7 that drives the free end of the stirring rod 62 to swing back and forth. The swing drive mechanism 7 includes an active rod 71 that is inserted into the installation cavity 611 for sliding movement along the axial direction, a second hinged rod 72 that is hinged to the active rod 71 at one end and to the stirring rod 62 at the other end, and a driving component 73 that drives the active rod 71 to slide. The second hinged rod 72 is inserted into the avoidance groove 612.

[0039] Reference Figure 3 、 Figure 5The driving component 73 includes a linkage rod 731 that slides vertically through the bottom wall of the drug storage tank 2 and the movable frame 1, a touch plate 732 fixedly connected to the linkage rod 731, a control shaft 733 rotatably connected to the movable frame 1, a turntable 734 coaxially fixedly mounted on the control shaft 733, and an eccentric rod 735 disposed on the end surface of the turntable 734. The linkage rod 731 is rotatably connected to the active rod 71. The control shaft 733 is parallel to the travel shaft 11. The touch plate 732 defines a drive slot, which is a strip-shaped slot with its length perpendicular to the sliding direction of the linkage rod 731. The eccentric rod 735 slides through the drive slot. A synchronization assembly 8 is disposed between the travel shaft 11 and the control shaft 733. The synchronization assembly 8 includes a synchronization pulley 81 coaxially fixedly mounted on the control shaft 733 and the travel shaft 11, and a synchronization belt 82 wound around the two synchronization pulleys 81.

[0040] The implementation principle of the pesticide spraying device for crop pest control in the embodiment of the present application is as follows: the central walking wheel drives the walking shaft 11 to rotate during the walking process, and drives the control shaft 733 to rotate through the synchronization component 8. When the turntable 734 rotates 180°, the eccentric rod 735 is driven to rotate, so that when the eccentric rod 735 abuts the inner wall of the driving groove close to the linkage rod 731, the touch plate 732 and the linkage rod 731 are pushed up. When the turntable 734 continues to rotate 180°, the eccentric rod 735 abuts the inner wall of the driving groove away from the linkage rod 731, pushing the touch plate 732 and the linkage rod 731 downward, so that the turntable 734 rotates one circle to realize the reciprocating lifting and lowering of the linkage rod 731, thereby realizing the lifting and sliding of the active rod 71, and then driving the stirring rod 62 to swing through the second hinged rod 72, so that the stirring motor 63 drives the stirring shaft 61 and the stirring rod 62 to rotate, thereby stirring the pesticide.

[0041] The pesticide in the liquid storage tank is pumped to the nozzle 31 by the liquid pump 33, and is sprayed from the nozzle 31 to spray the crops. By starting the adjustment motor 532 to drive the adjustment screw 531 to rotate, the sliding position of the slider 51 is adjusted, and the swing angle of the rocker arm 42 is adjusted by the first hinge rod 52, thereby facilitating the adjustment of the pesticide spraying angle of the nozzle 31, thereby increasing the spraying range of the pesticide sprayed by the nozzle 31.

[0042] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A pesticide spraying device for crop pest control, characterized by: The invention comprises a mobile frame (1), a medicine storage tank (2) arranged on the mobile frame (1) for storing pesticides, and a spraying mechanism (3) arranged on the mobile frame (1) for pumping and spraying the pesticides in the medicine storage tank (2). The mobile frame (1) is provided with a mounting plate (4), the mounting plate (4) is hinged with a swing rod (42), the mounting plate (4) is provided with a swing angle adjustment mechanism (5) for adjusting the swing angle of the swing rod (42), and the spraying mechanism (3) comprises a swing rod (42) arranged on the swing rod (42). A spray head (31), a liquid extraction hose (32) connected between the spray head (31) and the pesticide storage tank (2), and a liquid extraction pump (33) for extracting pesticide from the liquid storage tank to the spray head (31); the swing angle adjustment mechanism (5) comprises a slider (51) slidably connected to the mounting plate (4), a first hinged rod (52) one end of which is hinged to the free end of the swing rod (42) and the other end of which is hinged to the slider (51), and a displacement adjustment component (53) for adjusting the sliding position of the slider (51).

2. A pesticide spraying device for crop pest control according to claim 1, characterized in that: The displacement adjustment component (53) comprises an adjustment screw (531) rotatably connected to the mounting plate (4) and threadedly penetrated through the slider (51); the axial direction of the adjustment screw (531) is parallel to the sliding direction of the slider (51).

3. The pesticide spraying device for crop pest control according to claim 2, characterized in that: The displacement adjustment component (53) further includes an adjustment motor (532) for driving the adjustment screw (531) to rotate.

4. The pesticide spraying device for crop pest control according to claim 1, characterized in that: The mounting plate (4) is connected to the movable frame (1) in a vertical sliding manner, and the movable frame (1) is provided with a height adjustment member for adjusting the height position of the mounting plate (4).

5. The pesticide spraying device for crop pest control according to claim 4, characterized in that: The height adjustment member is a lifting cylinder (16) located below the mounting plate (4); the cylinder body of the lifting cylinder (16) is fixedly connected to the moving frame (1); and the piston rod of the lifting cylinder (16) is fixedly connected to the lower end surface of the mounting plate (4).

6. The pesticide spraying device for crop pest control according to claim 1, characterized in that: The medicine storage tank body (2) is provided with a stirring mechanism (6) for stirring the pesticide, the stirring mechanism (6) comprising a stirring shaft (61) rotatably connected to the top wall of the medicine storage tank body (2), a plurality of stirring rods (62) arranged on the side wall of the hinge shaft, and a stirring motor (63) arranged on the upper end surface of the medicine storage tank body (2) to drive the stirring shaft (61) to rotate.

7. The pesticide spraying device for crop pest control according to claim 6, characterized in that: The stirring rod (62) is hinged to the outer side wall of the stirring shaft (61), and the stirring shaft (61) is provided with a swing driving mechanism (7) for driving the free end of the stirring rod (62) to swing back and forth.

8. The pesticide spraying device for crop pest control according to claim 7, characterized in that: The lower end surface of the stirring shaft (61) is provided with an installation cavity (611) along the axial direction, and the outer side wall of the stirring shaft (61) is provided with an avoidance groove (612) connected to the installation cavity (611). The swing drive mechanism (7) comprises an active rod (71) inserted into the installation cavity (611) for sliding along the axial direction, a second hinged rod (72) hinged at one end to the active rod (71) and at the other end to the stirring rod (62), and a driving component (73) for driving the active rod (71) to slide. The second hinged rod (72) is inserted into the avoidance groove (612).

9. The pesticide spraying device for crop pest control according to claim 8, characterized in that: The movable frame (1) is rotatably connected to a traveling shaft (11), and a traveling wheel (12) is coaxially fixed to the traveling shaft (11). The driving component (73) comprises a linkage rod (731) vertically slidingly penetrating the bottom wall of the medicine storage tank (2) and the movable frame (1), a touch plate (732) fixedly connected to the linkage rod (731), a control shaft (733) rotatably connected to the movable frame (1), a turntable (734) coaxially fixedly sleeved on the control shaft (733), and an eccentric rod (735) arranged on the end surface of the turntable (734). The linkage rod (731) is rotatably connected to the active rod (71). The touch plate (732) is provided with a driving groove, which is a strip-shaped groove and has a length direction perpendicular to the sliding direction of the linkage rod (731). The eccentric rod (735) is slidably penetrating the driving groove. A synchronization component (8) is provided between the traveling shaft (11) and the control shaft (733).

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