Plant protection unmanned aerial vehicle pod retracting and releasing mechanism

Abstract

The invention relates to the technical field of plant protection unmanned aerial vehicle pod structures, in particular to a plant protection unmanned aerial vehicle pod retracting and releasing mechanism which comprises a frame set, the frame set comprises a top plate, a pod set is arranged below the top plate, the pod set comprises a lower buckling disc, and two inserting plates are symmetrically installed on the left side and the right side of the top end of the lower buckling disc; the bottom end of the lower buckle plate is connected with a pan-tilt cover, and a pod piece is movably installed in the pan-tilt cover. By arranging the pod set, the cover set and the protection assembly, overturning protection of the pod piece camera module is achieved, compared with a traditional structure, the protection cover is arranged on one side of the cradle head cover to form a hemispherical structure, the pod piece and the movable cover plate rotate relatively to form covering storage, and therefore the protection effect on the pod piece is achieved; at the moment, the pod piece faces upwards, the camera module of the pod piece can be effectively prevented from being collided and impacted by direct hard objects, and the safety of the pod piece is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of plant protection UAV pod structures, and in particular to a plant protection UAV pod retracting and deploying mechanism. Background Art

[0002] The photoelectric pod of the plant protection drone is a drone payload system specially designed for agricultural plant protection tasks. It integrates a variety of photoelectric sensors, such as visible light cameras, infrared cameras, multi-spectral cameras, etc., which are used to monitor the growth status of crops, pests and diseases, soil moisture and other information. The data collected by the photoelectric pod can be transmitted wirelessly to the ground station. Combined with big data analysis technology, it can generate detailed farmland management reports to help farmers optimize planting plans.

[0003] As a common payload device for drones, the pod has optical modes such as visible light and infrared, supports two-axis or three-axis motion modes, and needs to be installed vertically on the drone. The usual installation method is to directly fix it to the outside of the fuselage. When the plant protection drone falls due to battery failure or rotor damage, the optoelectronic pod of the drone will be directly impacted. The camera module and various sensors on the optoelectronic pod will directly collide with hard objects on the ground. Even if it is relatively soft soil, the splashed soil or hard objects in the soil will still damage the pod. In daily use, the pod maintenance is relatively inconvenient. The pod is exposed to the outside for a long time and is easily affected by environmental factors such as dust and rain, resulting in equipment damage. Therefore, a pod retraction and release mechanism for plant protection drones is needed to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the problems raised in the above background technology.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A pod retracting and releasing mechanism for a plant protection UAV comprises a frame group, the frame group comprises a top plate, a pod group is arranged below the top plate, the pod group comprises a lower buckle plate, two plug plates are symmetrically installed on the left and right sides of the top of the lower buckle plate, and the plug plates are docked and fixed with the docking plate through fixing accessories, a gimbal cover is connected to the bottom end of the lower buckle plate, and a pod part is movably installed in the gimbal cover; A cover group is arranged on the back of the lower buckle plate, and the cover group includes an arc plate, and the arc plate is fixed to the outer side of the cylindrical end between the lower buckle plate and the pan / tilt cover by bolts, and the bottom end of the arc plate is connected to a protective cover; A first motor is installed after the right side shaft end of the pod component passes through the gimbal cover, and the first motor is installed on the outside of the gimbal cover. A protective component is movably installed on the outside of the shaft end of the pod component. In the set program code, the first motor can start and stop the shaft end rotation to different degrees according to the corresponding usage environment.

[0006] Preferably, four hanging plates are arranged around the outer side of the top plate, the side of the hanging plate is connected to an auxiliary frame through a connecting rod end, and the side of the hanging plate away from the auxiliary frame is connected to a spring plate. During the installation process, the spring plate can be supported under pressure, and the elastic design of the spring plate can form a buffer cavity between the top plate and the drone mounting seat, thereby improving the safety of the drone in use to a certain extent.

[0007] Preferably, the fixing accessory includes a movable shaft inserted on the side of the docking plate, a pull ring is connected to the outer side of the movable shaft, a clamping block is connected to the inner shaft end face of the movable shaft, and the clamping block is inserted into the plug plate through a clamping slot, a return spring is sleeved and installed on the outer side of the movable shaft, and the square shaft design of the movable shaft can ensure the stability of the movable shaft in lateral movement along the X-axis.

[0008] Preferably, the bottom end of the card block is inclined, and a corresponding inclined surface is provided on the top of the plug board corresponding to the inclined surface of the card block. When the plug board is inserted into the slot of the docking tray, the plug board can apply pressure to the inclined surface of the card block to control the card block to move autonomously under the force of lateral displacement.

[0009] Preferably, an inner groove is provided at the center position of the bottom end of the docking plate, and the inner end surface of the inner groove is connected to a first supporting spring, the bottom end of the first supporting spring is connected to a ejection plate, and a disc-shaped protrusion is provided at the adapting position between the top of the lower buckle plate and the inner groove of the docking plate. When the plug plate is connected and separated from the card block, the ejection plate can be quickly ejected under the elastic force of the first supporting spring, so that the ejection plate can be quickly pushed to the lower buckle plate by the force, and the lower buckle plate is quickly ejected, thereby controlling the docking plate and the lower buckle plate to separate.

[0010] Preferably, the shield is of a hemispherical structure, the bottom end of the shield is flush with the bottom of the gimbal cover, a through wind slot is provided on the surface of the shield, and the shield is suspended on one side of the pod component so that the pod component can form a hemispherical structure of a semi-storage bin under normal conditions, which is convenient for later cooperation with the protective component to achieve a protective effect.

[0011] Preferably, the protective assembly includes a movable cover plate, and shaft sleeves are provided on the left and right sides of the movable cover plate, and the shaft sleeves are arranged on the outside of the shaft end of the pod part. The left side of the movable cover plate passes through the gimbal cover through a through hole and is connected and fixed to the shaft end of the second motor. The second motor is installed on the outside of the gimbal cover. During the process of flipping up and storing the pod part, the movable cover plate and the protective cover can cooperate to cover the outside of the pod part, thereby providing protection during the process of retracting and releasing the pod part.

[0012] Preferably, two buffer cotton blocks are symmetrically installed on both sides of the inner wall of the movable cover plate, and the buffer cotton blocks are pressed against the surface of the pod part. A cleaning accessory is provided at the center of the inner wall of the movable cover plate. The cleaning accessory includes a rubber plate. A second supporting spring is connected at the center of the bottom end of the rubber plate, and the bottom end of the second supporting spring is connected and fixed to the inner wall of the movable cover plate. When the pod part and the movable cover plate are able to rotate, friction can be made between the pod part and the buffer cotton blocks, thereby facilitating wiping and cleaning the surface of the pod part.

[0013] Preferably, reed clips are installed on both sides of the left and right sides of the bottom end of the rubber plate, and the reed clips are installed on the inner wall of the movable cover plate through slots. The inner wall of the rubber plate is connected with bristles, and the bristles are arranged in an S-shaped structure. When the pod part rotates, it rubs against the bristles, which facilitates the cleaning of the camera module of the pod part. The flat S-shaped design of the bristles increases the wiping effect on the camera module of the pod part and better adapts to the surface shape of the camera module of the pod part. The S-shaped bristles can contact more bristles with the cleaning surface per unit time, thereby improving the cleaning efficiency.

[0014] The present invention has at least the following beneficial effects: 1. By setting up a pod group, a cover group and a protective assembly, the flip protection of the pod camera module is achieved. Compared with the traditional structure, a protective cover is set on one side of the pan / tilt cover to form a hemispherical structure, so that the pod and the movable cover plate can rotate relative to each other to form a covered storage, thereby achieving the protection effect of the pod. At this time, the pod faces upward, which can effectively prevent the camera module of the pod from being directly impacted by hard objects, effectively improving the safety of the pod.

[0015] 2. By setting up buffer cotton blocks and cleaning accessories, the camera module of the pod can be further improved. During the rotation and retraction process of the pod of the device, the buffer cotton blocks and the rubber plate can be brushed on the surface of the pod. The buffer cotton blocks and the bristles can clean the camera module and the sensor on the surface of the pod respectively. At the same time, the S-shaped design of the bristles can further improve the cleaning effect of the camera module to prevent the camera module of the pod from being worn during cleaning.

[0016] 3. By setting fixed accessories, a ejection plate and a first supporting spring, the convenience of disassembly and maintenance of the pod parts is ensured. The device controls the card block to be out of the card slot of the plug-in board by pulling the ring outward, and ejects the ejection plate under the elastic force of the first supporting spring, and then controls the ejection plate to push the center position of the docking plate, which can quickly separate the pod parts and fall off under the drone, ensuring the convenience of maintenance of the pod parts.

[0017] 4. It is fixed to the bottom of the drone through four hanging plates and bolts. Four spring plates with resilience are supported at the bottom of the drone hanger. The resilience of the spring plates can provide reverse force support for the tightened bolts to prevent the bolts from slipping and ensure the stability of the hanging plates during bolt installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the external structure of a pod retracting and deploying mechanism of a plant protection UAV proposed by the present invention; Figure 2 This is a schematic diagram of the external disassembled structure of a pod retracting and deploying mechanism of a plant protection UAV proposed by the present invention; Figure 3 This is a three-dimensional disassembled structural diagram of a pod assembly and a cover assembly in a pod retracting and releasing mechanism of a plant protection UAV proposed by the present invention; Figure 4 This is a schematic diagram of the assembly structure of a frame group and a pod group of a pod retracting and releasing mechanism of a plant protection UAV proposed by the present invention; Figure 5 For the present invention Figure 4 A is a schematic diagram of the structure enlargement; Figure 6 This is a schematic diagram of the partially disassembled structure of a protective component in a pod retracting and releasing mechanism of a plant protection UAV proposed by the present invention; Figure 7 The present invention provides a schematic diagram of the three-dimensional structure of a cleaning accessory in a pod retracting and extending mechanism of a plant protection UAV.

[0020] In the figure: 1. frame assembly; 11. top plate; 12. hanging plate; 13. auxiliary frame; 2. pod assembly; 21. docking plate; 22. lower buckle plate; 23. plug-in plate; 24. fixing accessories; 241. movable shaft; 242. block; 243. reset spring; 244. pull ring; 25. pan / tilt cover; 26. pod component; 27. first motor; 28. ejection plate; 29. ​​first support spring; 3. spring plate; 4. cover assembly; 41. arc plate; 42. shield; 5. protection assembly; 51. movable cover plate; 52. bushing; 53. second motor; 54. buffer cotton block; 55. cleaning accessories; 551. rubber plate; 552. second support spring; 553. spring clip; 554. brush. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0022] Reference Figure 1-7 A pod retracting and releasing mechanism for a plant protection UAV comprises a frame group 1, the frame group 1 comprises a top plate 11, a pod group 2 is arranged below the top plate 11, the pod group 2 comprises a lower buckle plate 22, two plug plates 23 are symmetrically installed on the left and right sides of the top of the lower buckle plate 22, and the plug plates 23 are fixed to the docking plate 21 by a fixing accessory 24, a gimbal cover 25 is connected to the bottom end of the lower buckle plate 22, and a pod part 26 is movably installed in the gimbal cover 25; A cover group 4 is provided on the back of the lower buckle plate 22, and the cover group 4 includes an arc plate 41, which is fixed to the outer side of the cylindrical end between the lower buckle plate 22 and the pan / tilt cover 25 by bolts, and a protective cover 42 is connected to the bottom end of the arc plate 41; A first motor 27 is installed after the right shaft end of the pod part 26 passes through the pan-tilt cover 25 , and the first motor 27 is installed on the outside of the pan-tilt cover 25 , and a protective component 5 is movably installed on the outside of the shaft end of the pod part 26 .

[0023] Four hanging plates 12 are arranged around the outer side of the top plate 11 , and the sides of the hanging plates 12 are connected to auxiliary frames 13 through connecting rod ends, and the sides of the hanging plates 12 away from the auxiliary frames 13 are connected to spring plates 3 .

[0024] The fixing accessory 24 includes a movable shaft 241 inserted on the side of the docking plate 21, a pull ring 244 is connected to the outer side of the movable shaft 241, a clamping block 242 is connected to the inner shaft end face of the movable shaft 241, and the clamping block 242 is inserted into the inside of the plug plate 23 through a clamping slot, and a return spring 243 is sleeved and installed on the outer side of the movable shaft 241.

[0025] The bottom end of the block 242 is inclined, and a corresponding inclined surface is provided on the top end of the inserting plate 23 corresponding to the inclined surface of the block 242 .

[0026] An inner groove is provided at the center of the bottom end of the docking plate 21, and the inner end surface of the inner groove is connected to a first support spring 29, the bottom end of the first support spring 29 is connected to a spring-feeding plate 28, and a disc-shaped protrusion is provided at the top of the lower buckle plate 22 and the matching position of the inner groove of the docking plate 21.

[0027] The shield 42 is in a hemispherical structure, the bottom of the shield 42 is flush with the bottom of the pan / tilt cover 25, and a through wind slot is provided on the surface of the shield 42.

[0028] The protective assembly 5 includes a movable cover plate 51, and shaft sleeves 52 are arranged on the left and right sides of the movable cover plate 51, and the shaft sleeves 52 are sleeved on the outer side of the shaft end of the pod component 26. The left side of the movable cover plate 51 passes through the gimbal cover 25 through a through hole and is connected and fixed to the shaft end of the second motor 53. The second motor 53 is installed on the outer side of the gimbal cover 25.

[0029] Two buffer cotton blocks 54 are symmetrically installed on both sides of the inner wall of the movable cover plate 51, and the buffer cotton blocks 54 are in contact with the surface of the pod part 26. A cleaning accessory 55 is arranged at the center of the inner wall of the movable cover plate 51. The cleaning accessory 55 includes a rubber plate 551. A second supporting spring 552 is connected to the center of the bottom end of the rubber plate 551, and the bottom end of the second supporting spring 552 is connected and fixed to the inner wall of the movable cover plate 51.

[0030] Reed buckles 553 are installed on both sides of the bottom of the rubber plate 551, and the reed buckles 553 are installed on the inner wall of the movable cover plate 51 through the slots. The inner wall of the rubber plate 551 is connected with bristles 554, and the bristles 554 are arranged in an S-shaped structure.

[0031] The plug-in connection between the plug plate 23 and the docking plate 21 can ensure the quick docking between the docking plate 21 and the lower buckle plate 22. The protective cover 42 can protect the pod part 26 under normal conditions and also serve as a storage compartment. In the set program code, the first motor 27 can start and stop the shaft end to different degrees according to the corresponding use environment, which is convenient for adjusting the observation angle of the pod part 26 or performing the storage operation after reaching the maximum adjustment threshold, thereby protecting the pod part 26.

[0032] The top plate 11 can be suspended and installed by cooperating with four hanging plates 12 and bolts. During the installation process, the spring plate 3 can be supported under pressure. The elastic design of the spring plate 3 can form a buffer chamber between the top plate 11 and the drone mounting seat, which improves the safety of the drone in use to a certain extent. The square axis design of the movable shaft 241 can ensure the stability of the movable shaft 241 in lateral movement along the X-axis. A partition end is set between the right side of the block 242 and the movable shaft 241 to prevent the return spring 243 from being compressed and deformed at one end during compression, affecting the locking state of the block 242. When the plug-in plate 23 is inserted into the slot of the docking tray 21, the plug-in plate 23 can apply pressure to the inclined surface of the block 242 to control the force of lateral displacement of the block 242. When the plug-in plate 23 is inserted into the slot of the docking tray 21, the plug-in plate 23 can apply pressure to the inclined surface of the block 242 to control the force of lateral displacement of the block 242. When the plug-in plate 23 is inserted to the specified depth, the block 242 can be engaged with the slot of the plug-in plate 23 to complete the quick docking and locking operation.

[0033] When the plug plate 23 is disconnected from the card block 242, the ejection plate 28 can be quickly ejected under the elastic force of the first support spring 29, so that the ejection plate 28 can be quickly pushed to the lower buckle plate 22 by force, and the lower buckle plate 22 can be quickly ejected, and the docking plate 21 is controlled to be separated from the lower buckle plate 22, ensuring the convenience of separation and disassembly of the lower buckle plate 22. After the pod part 26 is removed, it can also be conveniently placed independently during transportation, and the bolts are passed through the arc plate 41 and fixed to the outer side of the cylindrical end of the lower buckle plate 22 and the pan / tilt cover 25. The protective cover 42 can be suspended on one side of the pod member 26, so that the pod member 26 can form a hemispherical structure of a semi-storage bin under normal conditions, which is convenient for later cooperation with the protective component 5 to achieve a protective effect. By starting the control sleeve 52 to rotate through the shaft end of the second motor 53, the position of the movable cover plate 51 can be conveniently adjusted. During the process of flipping up and storing the pod member 26, the movable cover plate 51 and the protective cover 42 can cooperate to cover the outside of the pod member 26, thereby providing protection during the process of retracting and releasing the pod member 26.

[0034] When the pod part 26 and the movable cover plate 51 are able to rotate, the pod part 26 and the buffer cotton block 54 can be rubbed against each other, so as to facilitate wiping and cleaning the surface of the pod part 26. At the same time, the buffer cotton block 54 can also play a buffering and protective effect on the pod part 26. The elastic force of the second support spring 552 can push the rubber plate 551, and then it is convenient to control the fitting effect of the bristles 554 and the pod part 26. The rubber plate 551 can be supported by the reed buckle 553 so that the rubber plate 551 can move independently. When the rubber plate 551 moves, the rubber plate 551 can be controlled to fit on the surface of the camera module of the pod part 26 under the cooperation of the reed buckle 553 and the elastic force of the reed buckle 553, and then The rubber plate 551 is controlled to wrap and protect the surface of the pod part 26. When the pod part 26 rotates, it rubs against the bristles 554, which facilitates the cleaning of the camera module of the pod part 26. The flat S-shaped design of the bristles 554 increases the wiping effect on the camera module of the pod part 26 and better adapts to the surface shape of the camera module of the pod part 26. The S-shaped bristles 554 can contact more bristles 554 with the cleaning surface per unit time, thereby improving the cleaning efficiency. This design enables the bristles 554 to better cover irregular surfaces and narrow spaces, thereby improving the cleaning coverage rate. When the S-shaped bristles 554 apply cleaning pressure, they can distribute the pressure more evenly to avoid local damage to the cleaning surface.

[0035] Working principle: According to the attached Figure 3 With attached Figure 6As shown, when the drone is being transported or before a collision, the height from the ground is identified by the sensor on the pod 26. When the height reaches the standard, the first motor 27 and the second motor 53 are started at the same time in the programmed program. The shaft end of the first motor 27 can drive the first motor 27 to flip upward 90°. At the same time, the shaft end of the second motor 53 can drive the shaft sleeve 52 to rotate on the shaft end surface of the pod 26. When the pod 26 rotates clockwise, the movable cover plate 51 rotates counterclockwise. During the misaligned rotation process between the pod 26 and the movable cover plate 51, the buffer cotton block 54 and the brush 554 can wipe and clean the surface of the pod 26, and the flipping and storage of the pod 26 is completed synchronously. Secondly, according to the attached Figure 4 With attached Figure 5 As shown, when the pod body of the pod member 26 is disassembled and assembled as a whole, the pull ring 244 can be pulled outwards, or the pull ring 244 can be toggled by a related paddle, so that the pull ring 244 is forced to drive the movable shaft 241 to move, and the movable shaft 241 can pull the block 242, and then control the block 242 to be separated from the slot of the plug plate 23. At this time, under the elastic force of the first support spring 29, the ejection plate 28 ejects the central disc end of the lower buckle plate 22, so that the lower buckle plate 22 and the docking plate 21 are quickly separated; Finally, according to the attached Figure 1 With attached Figure 2 As shown, when the top plate 11 is installed, the spring plate 3 can be made to contact the bottom of the drone mounting seat, and the long rod bolt passes through the hanging plate 12 and is inserted into the threaded hole corresponding to the drone mounting seat. During the locking process, the spring plate 3 is compressed. At this time, a certain buffer space can be formed between the top plate 11 and the drone mounting seat.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A pod retracting and deploying mechanism for a plant protection UAV, comprising a frame assembly (1), characterized in that: The frame assembly (1) comprises a top plate (11), a pod assembly (2) is arranged below the top plate (11), the pod assembly (2) comprises a lower buckle plate (22), two plug plates (23) are symmetrically mounted on the left and right sides of the top of the lower buckle plate (22), and the plug plates (23) are docked and fixed to the docking plate (21) via fixing accessories (24), a pan / tilt cover (25) is connected to the bottom end of the lower buckle plate (22), and a pod component (26) is movably mounted in the pan / tilt cover (25); A cover group (4) is arranged on the back of the lower buckle plate (22), and the cover group (4) comprises an arc plate (41). The arc plate (41) is fixed to the outer side of the columnar end between the lower buckle plate (22) and the pan / tilt cover (25) by bolts, and the bottom end of the arc plate (41) is connected to a protective cover (42); A first motor (27) is installed after the right shaft end of the pod member (26) passes through the pan / tilt cover (25), and the first motor (27) is installed outside the pan / tilt cover (25). A protective component (5) is movably installed outside the shaft end of the pod member (26).

2. The pod retracting and releasing mechanism of a plant protection UAV according to claim 1, characterized in that: Four hanging plates (12) are arranged around the outside of the top plate (11); the sides of the hanging plates (12) are connected to auxiliary frames (13) via connecting rod ends; and the sides of the hanging plates (12) away from the auxiliary frames (13) are connected to spring plates (3).

3. The pod retracting and releasing mechanism of a plant protection UAV according to claim 1, characterized in that: The fixing accessory (24) comprises a movable shaft (241) inserted into the side of the docking plate (21), the outer side of the movable shaft (241) is connected to a pull ring (244), the inner shaft end surface of the movable shaft (241) is connected to a clamping block (242), and the clamping block (242) is inserted into the plug plate (23) through a clamping slot, and a return spring (243) is sleeved and installed on the outer side of the movable shaft (241).

4. The pod retracting and releasing mechanism of a plant protection UAV according to claim 3, characterized in that: The bottom end of the clamping block (242) is arranged in an inclined manner, and a corresponding inclined surface is provided on the top end of the inserting plate (23) on a side corresponding to the inclined surface of the clamping block (242).

5. The pod retracting and deploying mechanism of a plant protection UAV according to claim 1, characterized in that: An inner groove is provided at the center of the bottom end of the docking plate (21), and the inner end surface of the inner groove is connected to a first support spring (29), the bottom end of the first support spring (29) is connected to a spring-feeding plate (28), and a disc-shaped protrusion is provided at the top end of the lower buckle plate (22) at a position matching the inner groove of the docking plate (21).

6. The pod retracting and deploying mechanism of a plant protection UAV according to claim 1, characterized in that: The protective cover (42) has a hemispherical structure, the bottom end of the protective cover (42) is flush with the bottom of the pan / tilt cover (25), and a through wind slot is provided on the surface of the protective cover (42).

7. The pod retracting and deploying mechanism of a crop protection UAV according to claim 1, characterized in that: The protection component (5) comprises a movable cover plate (51), and shaft sleeves (52) are arranged on the left and right sides of the movable cover plate (51), and the shaft sleeves (52) are sleeved on the outer side of the shaft end of the pod member (26). The left side of the movable cover plate (51) passes through the pan-tilt cover (25) through a through hole and is connected and fixed to the shaft end of the second motor (53), and the second motor (53) is installed on the outer side of the pan-tilt cover (25).

8. The pod retracting and releasing mechanism of a plant protection UAV according to claim 7, characterized in that: Two buffer cotton blocks (54) are symmetrically mounted on both sides of the inner wall of the movable cover plate (51), and the buffer cotton blocks (54) are in contact with and fit against the surface of the pod member (26). A cleaning accessory (55) is arranged at the center of the inner wall of the movable cover plate (51), and the cleaning accessory (55) comprises a rubber plate (551). A second supporting spring (552) is connected at the center of the bottom end of the rubber plate (551), and the bottom end of the second supporting spring (552) is connected and fixed to the inner wall of the movable cover plate (51).

9. The pod retracting and deploying mechanism of a plant protection UAV according to claim 8, characterized in that: Reed buckles (553) are installed on both left and right sides of the bottom end of the rubber plate (551), and the reed buckles (553) are installed on the inner wall of the movable cover plate (51) through a slot. The inner wall of the rubber plate (551) is connected to bristles (554), and the bristles (554) are arranged in an S-shaped structure.

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