Pesticide spraying device for forestry pest and disease control

Abstract

The pesticide spraying device comprises an unmanned aerial vehicle, an installation frame is installed on the bottom face of the unmanned aerial vehicle, a pesticide box is installed on the rear side of the installation frame, a water pump is installed on the top face of the pesticide box, a conveying pipe is connected to the water pump, and multiple sets of flow control mechanisms are connected to the bottom of the conveying pipe. The flow control mechanism comprises a rotating sleeve, a connecting sleeve, an adjusting sleeve, a through hole, a center rod, a spiral groove, a sealing sleeve, a matching block and a limiting mechanism, accurate adjustment of the liquid medicine spraying amount is achieved through the rotating sleeve, the center rod, the spiral groove and other structures, and the rotating sleeve is rotated to drive the spiral groove in the center rod to rotate along the outer wall of the spiral groove; the sealing sleeve slides in the adjusting sleeve, so that the blocking degree of the sealing sleeve to the through hole is adjusted, the flowing area of the liquid medicine is changed, and the purpose of adjusting the flow of the liquid medicine is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to forestry pest control technical field, more specifically, it relates to a pesticide spraying device for forestry pest control. BACKGROUND

[0002] In the forestry pest control, the spraying amount of the pesticide solution directly affects the effect of the pest control, if the spraying amount of the pesticide solution is too large, not only the pesticide is wasted, but also the environment is polluted, and if the spraying amount is insufficient, the pest control can not be effectively carried out, however, most of the existing equipment lacks the accurate adjustment of the amount of the pesticide solution in the spraying process, and often can only rely on the fixed spraying mode, and the amount of the pesticide solution can not be flexibly adjusted according to different operation requirements, which makes it difficult to accurately spray the pesticide solution in some specific forestry pest control process, and the control effect of the pesticide can not be fully played.

[0003] In addition to the adjustment of the amount of the pesticide solution, the flexibility of the spraying range is also a problem to be solved, in some practical applications of the forestry control, the distribution of the trees, the height of the tree crown and the occurrence of the pest all affect the requirements of the spraying range, therefore, the range of the spraying can be adjusted according to the actual situation, which can improve the spraying efficiency and reduce the waste of the pesticide solution, and becomes the key to improve the control effect, however, most of the existing pesticide spraying devices do not have enough design to cope with the variability of the spraying range, which often leads to the excessive or insufficient range, affects the control effect, and also increases the use difficulty of the equipment. CONTENT OF THE UTILITY MODEL

[0004] (I) Technical problem solved

[0005] In view of the problems in the prior art, the utility model provides a pesticide spraying device for forestry pest control, to solve the technical problem that the existing equipment lacks the accurate adjustment of the amount of the pesticide solution in the spraying process, and often can only rely on the fixed spraying mode.

[0006] (II) Technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: A pesticide spraying device for forestry disease and pest control, including unmanned plane, unmanned plane bottom surface is equipped with mounting bracket, the rear side of mounting bracket is equipped with medicine box, the top surface of medicine box is equipped with water pump, water pump is connected with the setting of delivery pipe, the bottom of delivery pipe is connected with the setting of multiple groups of flow control mechanism, the flow control mechanism includes rotating sleeve, connecting sleeve, adjusting sleeve, through -hole, center rod, spiral groove, sealing sleeve, cooperation piece and limiting mechanism, rotating sleeve rotation is installed in the bottom surface of delivery pipe, connecting sleeve is installed in the bottom surface of adjusting sleeve, adjusting sleeve is installed in connecting sleeve, through -hole is provided with multiple groups of distribution in the outer wall of adjusting sleeve, center rod is installed in the inside of rotating sleeve, spiral groove is arranged in the outer wall of center rod, sealing sleeve slides in adjusting sleeve, cooperation piece is installed in the inner wall of sealing sleeve and is connected with spiral groove slidingly, multiple connecting sleeve bottom ends are equipped with the setting of spray head, the limiting mechanism includes clamping block, clamping groove, push spring and lock sleeve, clamping block is provided with multiple groups of sliding on rotating sleeve, clamping groove is provided with multiple groups of distribution in the outer wall of connecting sleeve, push spring is installed in the outer wall of connecting sleeve, lock sleeve slides in the outer wall of connecting sleeve and is connected with push spring.

[0008] The utility model further sets up, the inner wall of adjusting sleeve is equipped with guide groove, the outer wall of sealing sleeve is equipped with guide strip, the guide groove and guide strip all are provided with multiple groups and are connected with sliding. This design guarantees that sealing sleeve can slide stably in the adjusting process through the cooperation of guide groove and guide strip, avoids that sealing sleeve is stuck because of asymmetric sliding or excessive friction, guarantees the smooth operation of adjusting mechanism, thereby make the adjustment of liquid flow more accurate and reliable.

[0009] The utility model further sets up, multiple clamping block insides are equipped with the setting of reset spring, reset spring is provided with multiple groups and bottom end connecting rotating sleeve outer wall. The design of reset spring plays the role of buffering and reset, can provide certain elasticity in the adjusting process, makes clamping block can restore to the original position after use, avoids the looseness or misplacement caused by excessive rotation or misoperation in the adjusting process, improves the stability and accuracy of device.

[0010] The utility model further sets up, cooperation piece and spiral groove outer wall all are provided with fillet. The fillet design of cooperation piece and spiral groove reduces the direct contact and friction between parts, thereby reduces the abrasion, prolongs the service life, and in the adjusting process is more smooth, avoids the occurrence of jamming phenomenon, helps to improve the operation stability and long -term operation reliability of liquid spraying device.

[0011] This invention is further configured such that the mounting frame is equipped with an extension mechanism, which includes a motor, a main gear, half gears, a swing arm, and a driven gear. The motor is mounted on the bottom surface of the mounting frame, the main gear is mounted on the motor output end, two sets of half gears are rotatably mounted on the mounting frame and mesh with each other, the swing arm is mounted on the outside of the two sets of half gears, and the driven gear is fixedly mounted on the bottom surface of one set of half gears and meshes with the main gear. Driven by the motor, this extension mechanism causes the main gear to drive the half gears and the driven gear, thereby achieving automatic adjustment of the swing arm, changing the position and spraying direction of the nozzle, thus expanding the spraying range and improving the coverage effect of the pesticide solution. It is particularly suitable for operations in complex terrain or with different tree distributions.

[0012] The present invention is further configured such that a fixing plate is installed on the outer wall of the connecting sleeve, and a fixing rod is provided on the fixing plate. Multiple sets of fixing rods are provided and connected to the bottom surface of the swing arm. The connection between the fixing rod and the swing arm provides stable support, enabling the swing arm to move smoothly under the drive of the motor. This avoids uneven swinging caused by insufficient support during operation, ensuring the accuracy and consistency of spraying.

[0013] The present invention is further configured such that the fixed plate is provided with limiting rods, and multiple sets of limiting rods are provided and slidably connected to the locking sleeve. The slidable connection between the limiting rods and the locking sleeve provides precise position control during the adjustment process, enabling the expansion mechanism to move within a specific range, avoiding misoperation beyond the range, ensuring the adjustment stability and reliability of the spraying device, and helping to improve spraying accuracy and reduce errors.

[0014] This invention is further configured such that a top block is installed at the top of each of the multiple sets of limiting rods. The top block effectively prevents the limiting rod from sliding out or being over-compressed during the sliding process, ensuring that the movement of the limiting rod remains within the design range. This avoids damage or malfunction of the device due to improper movement of the limiting rod, while also improving the stability and accuracy of the limiting function.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides a spraying device for controlling forest pests and diseases, which has the following beneficial effects:

[0017] 1. The beneficial effects of the flow control mechanism lie in that it realizes the accurate adjustment of the liquid medicine spraying amount through the rotating sleeve, the center rod and the spiral groove structure, by rotating the rotating sleeve, driving the spiral groove on the center rod to rotate along the outer wall, and then making the sealing sleeve slide in the adjusting sleeve, so as to adjust the plugging degree of the sealing sleeve to the through hole, and then change the area of the liquid flow, so as to adjust the liquid flow, the structure design can flexibly adjust the spraying amount of the liquid medicine in practical application, which avoids the waste of liquid medicine and ensures the maximization of the prevention and treatment effect, and improves the accuracy of forestry pest control.

[0018] 2. The limiting mechanism cooperates with the clamping block, the clamping groove, the push spring and the locking sleeve to ensure that the adjusting mechanism can be accurately positioned during the adjustment process. The sliding of the clamping block on the rotating sleeve cooperates with the reset spring to make the limiting mechanism release the locking of the rotating sleeve during the adjustment process, so that the rotating sleeve can rotate freely, and the clamping block and the locking sleeve cooperate to relock the position of the rotating sleeve after adjustment. The design of the limiting mechanism avoids unnecessary loosening or misplacement during the adjustment process, so that the pesticide spraying device is more stable and reliable when adjusting the liquid flow, ensuring the accurate control of the spraying amount and the safety of the operation.

[0019] 3. The extension mechanism cooperates with the motor, the main gear, the half gear, the swing arm and the gear to realize the automatic adjustment of the nozzle position. The motor drives the main gear to rotate, which drives the swing arm to move through the meshing of the half gear and the gear, so as to change the position of the nozzle, so that the nozzle can swing within the set range and expand the spraying range. The extension mechanism can adjust the spraying direction and range according to the actual demand, so as to ensure that the liquid medicine can cover a wider target area, improve the spraying efficiency of the pesticide spraying device and the flexibility of application, and is especially suitable for the management work of different terrains and forest distribution, further improving the effect of forestry pest control. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the pesticide spraying device for forestry pest control in the utility model.

[0021] Figure 2 It is a structure schematic view of the swing arm in the utility model.

[0022] Figure 3 It is a structure schematic view of the extension mechanism in the utility model.

[0023] Figure 4 It is a sectional structure schematic view of the flow control mechanism in the utility model.

[0024] Figure 5 It is a sectional structure schematic view of the limiting mechanism in the utility model.

[0025] In the figure: 1, unmanned aerial vehicle; 2, mounting frame; 3, medicine box; 4, water pump; 5, conveying pipe; 6, rotating sleeve; 7, connecting sleeve; 8, adjusting sleeve; 9, through hole; 10, center rod; 11, helical groove; 12, sealing sleeve; 13, matching block; 14, spray head; 15, clamping block; 16, clamping groove; 17, push spring; 18, lock sleeve; 19, guide groove; 20, guide strip; 21, reset spring; 22, motor; 23, main gear; 24, half gear; 25, swing arm; 26, from gear; 27, fixed plate; 28, fixed rod; 29, limiting rod; 30, top block. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0028] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0029] Please refer to Figures 1-5 A pesticide spraying device for forestry pest control, comprising an unmanned aerial vehicle 1, the bottom surface of the unmanned aerial vehicle 1 is provided with a mounting frame 2, the rear side of the mounting frame 2 is provided with a medicine box 3, the top surface of the medicine box 3 is provided with a water pump 4, the water pump 4 is connected with a conveying pipe 5, the bottom of the conveying pipe 5 is provided with a plurality of flow control mechanisms, the flow control mechanism comprises a rotating sleeve 6, a connecting sleeve 7, an adjusting sleeve 8, a through hole 9, a center rod 10, a helical groove 11, a sealing sleeve 12, a matching block 13 and a limiting mechanism, the rotating sleeve 6 is rotatably installed on the bottom surface of the conveying pipe 5, the connecting sleeve 7 is installed on the bottom surface of the adjusting sleeve 8, the adjusting sleeve 8 is installed in the connecting sleeve 7, the through hole 9 is provided with a plurality of groups distributed on the outer wall of the adjusting sleeve 8, the center rod 10 is installed on the inner side of the rotating sleeve 6, the helical groove 11 is provided on the outer wall of the center rod 10, the sealing sleeve 12 slides in the adjusting sleeve 8, the matching block 13 is installed on the inner wall of the sealing sleeve 12 and is slidably connected with the helical groove 11, a plurality of groups of spray heads 14 are installed at the bottom end of the connecting sleeve 7, the limiting mechanism comprises a clamping block 15, a clamping groove 16, a push spring 17 and a lock sleeve 18, the clamping block 15 is provided with a plurality of groups sliding on the rotating sleeve 6, the clamping groove 16 is provided with a plurality of groups distributed on the outer wall of the connecting sleeve 7, the push spring 17 is installed on the outer wall of the connecting sleeve 7, and the lock sleeve 18 slides on the outer wall of the connecting sleeve 7 and is connected with the push spring 17.

[0030] The inner wall of the adjusting sleeve 8 is provided with a guide groove 19, and the outer wall of the sealing sleeve 12 is provided with a guide strip 20. The guide groove 19 and the guide strip 20 are both provided with multiple groups and are in sliding connection. This design ensures that the adjusting sleeve 8 and the sealing sleeve 12 can maintain a stable relative position during movement through the sliding connection of the guide groove 19 and the guide strip 20, reduces the jamming phenomenon caused by friction or asymmetric sliding, and improves the stability and accuracy of the device.

[0031] The inner side of each group of clamping blocks 15 is provided with a reset spring 21, and the reset spring 21 is provided with multiple groups and is connected to the outer wall of the rotating sleeve 6 at the bottom. The reset spring 21 provides elastic return function for the clamping block 15, which can quickly return to the original position during adjustment, avoiding the position deviation of the clamping block 15 caused by long-time operation or external interference, thereby maintaining the structural stability and use accuracy of the entire device.

[0032] The cooperating block 13 and the outer wall of the spiral groove 11 are both provided with a round corner. The round corner design can effectively reduce the contact friction between the cooperating block 13 and the spiral groove 11, reduce the wear between parts, prolong the service life, and make the adjustment process more smooth and smooth, avoiding the jamming phenomenon, thereby improving the working efficiency and long-term stability of the device.

[0033] In this embodiment, when the spraying amount of the liquid medicine needs to be adjusted, the lock sleeve 18 is pulled to slide along the multiple groups of limiting rods 29, thereby releasing the abutment of the multiple groups of clamping blocks 15, and the clamping blocks 15 are pushed outward by the multiple groups of reset springs 21 to release the limiting locking of the rotating sleeve 6. The rotating sleeve 6 is rotated, the central rod 10 in the rotating sleeve 6 drives the spiral groove 11 to rotate along its outer wall, causing the sealing sleeve 12 to slide along the spiral groove 11 through the cooperating block 13, thereby driving the sealing sleeve 12 to slide along the adjusting sleeve 8, changing the number of through holes 9 provided on the outer wall of the adjusting sleeve 8 by the sealing sleeve 12, adjusting the flow by changing the flow area of the liquid medicine, and pushing the lock sleeve 18 along the multiple groups of limiting rods 29 by the push spring 17 to abut against the outer wall of the multiple groups of clamping blocks 15, thereby pushing the multiple groups of clamping blocks 15 to slide along the rotating sleeve 6, and then the bottom of the multiple groups of clamping blocks 15 is clamped in the clamping groove 16 and presses the multiple groups of reset springs 21. At this time, the rotating sleeve 6 is limited and locked, and then the unmanned aerial vehicle 1 is started to fly, the water pump 4 is started, and the liquid medicine is delivered to the delivery pipe 5 by the water pump 4. The water pump 4 sends the liquid medicine into the connecting sleeve 7 through the delivery pipe 5, and then the liquid medicine is sprayed to the target area through the multiple nozzles 14.

[0034] Please refer to Figures 1-3As an embodiment of the expansion mechanism: the mounting frame 2 is provided with an expansion mechanism, which includes a motor 22, a main gear 23, a half gear 24, a swing arm 25 and a slave gear 26, the motor 22 is installed on the bottom surface of the mounting frame 2, the main gear 23 is installed on the output end of the motor 22, the half gear 24 is provided with two groups of rotatingly installed on the mounting frame 2 and meshing with each other, the swing arm 25 is installed on the outside of the two groups of half gears 24, and the slave gear 26 is fixedly installed on the bottom surface of one group of half gears 24 and meshes with the main gear 23.

[0035] The outer wall of the connecting sleeve 7 is provided with a fixed plate 27, the fixed plate 27 is provided with a fixed rod 28, the fixed rod 28 is provided with multiple groups and is connected with the bottom surface of the swing arm 25. The provision of the fixed rod 28 provides stable support, ensures that the swing arm 25 can work stably under the drive of the connecting sleeve 7, avoids the misoperation or instability of the swing arm 25 due to insufficient support, and ensures the stable operation and accurate operation of the whole device.

[0036] The fixed plate 27 is provided with a limiting rod 29, the limiting rod 29 is provided with multiple groups and is in sliding connection with the lock sleeve 18. The sliding connection of the limiting rod 29 and the lock sleeve 18 can accurately control the adjustment range of the device, prevent excessive or unnecessary movement during adjustment, ensure the safe operation of the device within the predetermined range, and avoid damage or operation errors caused by excessive movement.

[0037] The top ends of the multiple groups of limiting rods 29 are provided with top blocks 30. The design of the top block 30 prevents the limiting rod 29 from sliding excessively or being out of position, ensures that the limiting rod 29 always stays within the designed range when sliding, avoids instability or damage of the device caused by the limiting rod 29 moving out of the working range, and improves the overall stability and reliability of the device.

[0038] More specifically, during spraying, the motor 22 is started to drive the main gear 23 to rotate, the half gear 24 is driven by the main gear 23, the half gear 24 drives the rotation of the other group of half gears 24 and the slave gear 26 through mutual meshing, which drives the swing of the swing arm 25, the position of the swing arm 25 is adjusted through the mutual action of the main gear 23 and the half gear 24, and the position of the spray head 14 is changed, this process makes the spray head 14 swing back and forth within the set range, so as to realize wider spraying, with the continuous operation of the motor 22, the swing arm 25 swings within a certain range, the direction and range of the spray head 14 are adjusted, and it is ensured that the liquid medicine can cover a larger target area.

[0039] In summary, when the device is in use or operation: when the spray amount of the liquid medicine needs to be adjusted, the lock sleeve 18 is pulled to slide along the plurality of limiting rods 29, thereby releasing the abutment of the plurality of clamping blocks 15, the clamping blocks 15 are pushed to move outward by the plurality of return springs 21, the limiting locking of the rotating sleeve 6 is released, the rotating sleeve 6 is rotated, the central rod 10 in the rotating sleeve 6 drives the spiral groove 11 to rotate along the outer wall thereof, causing the sealing sleeve 12 to slide along the spiral groove 11 through the matching block 13, thereby driving the sealing sleeve 12 to slide along the adjusting sleeve 8, changing the number of through holes 9 on the outer wall of the adjusting sleeve 8 blocked by the sealing sleeve 12, adjusting the flow by changing the flow area of the liquid medicine, the lock sleeve 18 is pushed to slide along the plurality of limiting rods 29 by the push spring 17 and abuts against the outer wall of the plurality of clamping blocks 15, thereby pushing the plurality of clamping blocks 15 to slide along the rotating sleeve 6, and then the plurality of clamping blocks 15 are clamped at the bottom of the clamping groove 16 and press the plurality of return springs 21, at this time the rotating sleeve 6 is limited and locked, then the unmanned aerial vehicle 1 is started to fly, the water pump 4 is started, and when the liquid medicine is delivered to the delivery pipe 5 by the water pump 4, the water pump 4 delivers the liquid medicine to the connecting sleeve 7 through the delivery pipe 5, and then the liquid medicine is sprayed to the target area through the plurality of nozzles 14.

[0040] When spraying, the motor 22 drives the main gear 23 to rotate, the half gears 24 are driven by the main gear 23, the half gears 24 drive the rotation of the other half gears 24 and the pinion 26 through mutual meshing, which drives the swing of the swing arm 25, the position of the swing arm 25 is adjusted through the mutual action of the main gear 23 and the half gears 24, thereby driving the position change of the nozzle 14, this process enables the nozzle 14 to swing back and forth within a set range, thereby realizing more extensive spraying, and as the motor 22 continues to operate, the swing arm 25 swings within a certain range, adjusting the direction and range of the nozzle 14, ensuring that the liquid medicine can cover a larger target area.

[0041] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one, and the welding is preferred for the fixed connection mentioned above, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pesticide spraying device for forest pest control, comprising a drone (1), characterized in that: The unmanned plane (1) is provided with a mounting frame (2) on the bottom surface, a medicine box (3) is mounted on the rear side of the mounting frame (2), a water pump (4) is mounted on the top surface of the medicine box (3), a conveying pipe (5) is connected to the water pump (4), a plurality of flow control mechanisms are connected to the bottom of the conveying pipe (5), the flow control mechanism comprises a rotating sleeve (6), a connecting sleeve (7), an adjusting sleeve (8), a through hole (9), a center rod (10), a spiral groove (11), a sealing sleeve (12), a matching block (13) and a limiting mechanism, the rotating sleeve (6) is rotatably mounted on the bottom surface of the conveying pipe (5), the connecting sleeve (7) is mounted on the bottom surface of the adjusting sleeve (8), the adjusting sleeve (8) is mounted in the connecting sleeve (7), the through hole (9) is provided with a plurality of groups distributed on the outer wall of the adjusting sleeve (8), the center rod (10) is mounted on the inner side of the rotating sleeve (6), the spiral groove (11) is provided on the outer wall of the center rod (10), the sealing sleeve (12) is slidably mounted in the adjusting sleeve (8), the matching block (13) is mounted on the inner wall of the sealing sleeve (12) and is slidably connected with the spiral groove (11), a plurality of groups of the connecting sleeve (7) are provided with a plurality of groups of nozzles (14) mounted on the bottom end, and the limiting mechanism comprises a clamping block (15), a clamping groove (16), a push spring (17) and a locking sleeve (18), the clamping block (15) is provided with a plurality of groups of sliding sleeves (6), the clamping groove (16) is provided with a plurality of groups of clamping sleeves (7) distributed on the outer wall, the push spring (17) is mounted on the outer wall of the connecting sleeve (7), and the locking sleeve (18) is slidably connected with the push spring (17).

2. The pesticide spraying device for forest pest control according to claim 1, characterized in that: The inner wall of the adjusting sleeve (8) is provided with a guide groove (19), and the outer wall of the sealing sleeve (12) is provided with a guide strip (20), the guide groove (19) and the guide strip (20) are provided with a plurality of groups and are slidably connected.

3. The pesticide spraying device for forestry pest control according to claim 2, characterized in that the plurality of groups The inner side of the clamping block (15) is provided with a plurality of groups of reset springs (21), and the bottom end of the reset spring (21) is connected with the outer wall of the rotating sleeve (6).

4. The pesticide spraying device for forest pest control according to claim 3, characterized in that: The matching block (13) and the outer wall of the spiral groove (11) are provided with a round corner.

5. The pesticide spraying device for forest pest control according to claim 4, characterized in that: The mounting frame (2) is provided with an expansion mechanism, the expansion mechanism comprises a motor (22), a main gear (23), a half gear (24), a swing arm (25) and a slave gear (26), the motor (22) is mounted on the bottom surface of the mounting frame (2), the main gear (23) is mounted on the output end of the motor (22), the half gear (24) is provided with two groups of half gears (24) rotatably mounted on the mounting frame (2) and meshing with each other, the swing arm (25) is mounted on the outer side of the two groups of half gears (24), and the slave gear (26) is fixedly mounted on the bottom surface of one of the half gears (24) and meshes with the main gear (23).

6. The pesticide spraying device for forest pest control according to claim 5, characterized in that: The outer wall of the connecting sleeve (7) is provided with a fixed plate (27), the fixed plate (27) is provided with a fixed rod (28), the fixed rod (28) is provided with a plurality of groups and is connected with the bottom surface of the swing arm (25).

7. The pesticide spraying device for forest pest control according to claim 6, characterized in that: The fixed plate (27) is provided with a limiting rod (29), the limiting rod (29) is provided with a plurality of groups and is slidably connected with the locking sleeve (18).

8. The pesticide spraying device for forest pest control according to claim 7, characterized in that: A plurality of groups of the limiting rod (29) are provided with a plurality of groups of top blocks (30) mounted on the top end.

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