A vibration-damping medicine storage box for agricultural drones

Abstract

This invention relates to the field of agricultural drone technology and discloses a vibration-damping medicine storage box for agricultural drones, comprising a fixed plate, a buffer pad, a shock-absorbing plate, a shock-absorbing spring, a connecting frame, and a medicine box. The fixed plate is bolted to the bottom of the drone, and a buffer pad made of elastic material is installed between the fixed plate and the drone. The shock-absorbing plate is slidably connected to the fixed plate, and the shock-absorbing plate is connected to the fixed plate by a shock-absorbing spring, with both ends of the shock-absorbing spring fixed to the shock-absorbing plate and the fixed plate respectively. The buffer pad absorbs high-frequency vibrations, while the shock-absorbing spring provides low-frequency buffering. The two work together to reduce the impact of vibrations of different frequency bands on the medicine box. Compared with a single shock-absorbing structure, this design can more effectively suppress complex vibrations, reduce the amplitude of liquid sloshing, improve the uniformity of application, and at the same time reduce the increase in energy consumption and structural fatigue of the drone caused by vibration.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of agricultural unmanned aerial vehicles, and particularly relates to an agricultural unmanned aerial vehicle anti-vibration medicine storage box. BACKGROUND

[0002] With the rapid development of precision agriculture technology, agricultural unmanned aerial vehicles are increasingly widely applied in plant protection operations, and their efficient and flexible pesticide application mode significantly improves the automation level of agricultural production.

[0003] As a core component of the unmanned aerial vehicle plant protection system, the design of the medicine storage box directly affects the pesticide application accuracy and flight stability.

[0004] At present, the mainstream medicine storage box is installed at the bottom of the unmanned aerial vehicle in a rigid fixed or simple suspension manner, which can meet the basic pesticide application requirements, but in actual operation, the multidirectional vibration and impact of the unmanned aerial vehicle due to air flow disturbance, start-stop speed change and complex terrain flight easily leads to violent shaking of the medicine box, and further causes problems such as pesticide spilling, imbalance of the weight and decrease of the pesticide application uniformity. In addition, the inertia impact of the liquid in the medicine box will exacerbate the attitude fluctuation of the unmanned aerial vehicle body when the unmanned aerial vehicle is suddenly stopped or turned, thereby reducing the flight control accuracy. In addition, the traditional medicine storage box lacks the dynamic attitude stabilization function, and the medicine box follows the deflection when the unmanned aerial vehicle is inclined to fly, further exacerbating the liquid surface fluctuation, thereby affecting the reliability and operation efficiency of the pesticide application system.

[0005] Therefore, it is necessary to design an agricultural unmanned aerial vehicle anti-vibration medicine storage box which can keep the medicine storage box always vertical downward to reduce the shaking of the pesticide liquid during the flight of the unmanned aerial vehicle, and make the pesticide liquid inside the medicine storage box quickly recover to be stable when the unmanned aerial vehicle is suddenly stopped or turned. SUMMARY

[0006] The present application provides an agricultural unmanned aerial vehicle anti-vibration medicine storage box to solve the problems that the existing device in actual operation, the multidirectional vibration and impact of the unmanned aerial vehicle due to air flow disturbance, start-stop speed change and complex terrain flight easily leads to violent shaking of the medicine box, and further causes problems such as pesticide spilling, imbalance of the weight and decrease of the pesticide application uniformity. In addition, the inertia impact of the liquid in the medicine box will exacerbate the attitude fluctuation of the unmanned aerial vehicle body when the unmanned aerial vehicle is suddenly stopped or turned, thereby reducing the flight control accuracy. In addition, the traditional medicine storage box lacks the dynamic attitude stabilization function, and the medicine box follows the deflection when the unmanned aerial vehicle is inclined to fly, further exacerbating the liquid surface fluctuation, thereby affecting the reliability and operation efficiency of the pesticide application system.

[0007] The technical scheme of the present application is: an agricultural unmanned aerial vehicle anti-vibration medicine storage box, comprising a fixing plate, a buffer pad, a damping plate, a damping spring, a connecting frame, a medicine box, a medicine adding port, a stable mechanism and a limiting mechanism, the fixing plate is fixed on the bottom of the unmanned aerial vehicle through bolts, the buffer pad is installed between the fixing plate and the unmanned aerial vehicle, the buffer pad is made of elastic material, the damping plate is slidably connected to the fixing plate, the damping plate is connected to the fixing plate through the damping spring, the connecting frame is fixed to the bottom of the damping plate, the medicine box is installed on the connecting frame through the stable mechanism, medicine adding ports are formed on both sides of the medicine box, the stable mechanism can keep the medicine box in a vertical state, and the limiting mechanism is installed on the damping plate and can limit the medicine box during the deceleration of the unmanned aerial vehicle, so that the medicine box and the liquid medicine in the medicine box are prevented from shaking greatly due to inertia.

[0008] Preferably, the stable mechanism comprises a connecting ball, a fixed top frame and a connecting sleeve, the bottom of the connecting frame is fixedly connected with the connecting ball, the top of the medicine box is fixedly connected with the fixed top frame, and the connecting sleeve is installed in the fixed top frame and slidably covers the connecting ball.

[0009] Preferably, the limiting mechanism comprises a wind plate, a return spring, a pushing bent rod, a lifting clamping frame and a clamping spring, the wind plate is slidably connected to the damping plate, the wind plate is connected to the damping plate through the return spring, the pushing bent rod is fixedly connected to the wind plate, the lifting clamping frame is slidably connected to the bottom of the damping plate, the lifting clamping frame is connected to the damping plate through the clamping spring, the pushing bent rod is in contact with the lifting clamping frame, and the inner arc surface of the lifting clamping frame is matched with the outer arc surface of the fixed top frame.

[0010] Preferably, the auxiliary stabilizing mechanism for quickly and stably stabilizing the liquid medicine is further included, the auxiliary stabilizing mechanism comprises a buoyancy plate, a connecting ring sleeve, a connecting rotating plate, a sliding sleeve, an agitating stabilizing assembly and a clamping assembly, the buoyancy plates are symmetrically and slidably connected in the medicine box, the connecting rotating plate is rotatably connected in the medicine box, the sliding sleeve is slidably connected outside the connecting rotating plate, the connecting ring sleeve is slidably connected outside the sliding sleeve, the ends of the connecting ring sleeve are fixedly connected with the buoyancy plates on the corresponding sides, the agitating stabilizing assembly is installed outside the sliding sleeve, the agitating stabilizing assembly is used for quickly and stably stabilizing the liquid medicine in the medicine box, and the clamping assembly is installed outside the connecting rotating plate and is used for limiting the position of the sliding sleeve.

[0011] Preferably, the agitating stabilizing assembly comprises a ball, an inclined slide and an agitating blade, the ball is rotatably connected in the connecting ring sleeve, the inclined slide is formed outside the sliding sleeve, the ball is located in the inclined slide, and the agitating blade is installed outside the sliding sleeve.

[0012] Preferably, the clamping assembly comprises a sliding arc plate, a wedge-shaped clamping block and an unlocking assembly, the sliding arc plates are symmetrically and slidably connected on both sides of the connecting rotating plate, the wedge-shaped clamping block is installed in the sliding arc plate, the wedge-shaped block is also fixedly connected to the top of the sliding sleeve, the wedge-shaped clamping block can limit the movement of the sliding sleeve through the wedge-shaped block on the top of the sliding sleeve, and the unlocking assembly is installed on the sliding arc plate and is used for releasing the limitation on the sliding sleeve.

[0013] Preferably, the unlocking assembly comprises a connecting spring and a push rod, the sliding arc plate is connected with the connecting rotating plate through the connecting spring, the push rod is fixed on the sliding arc plate, the top of the push rod penetrates through the medicine box, and the push rod can slide along the medicine box.

[0014] Preferably, the medicine box is further provided with a counterweight, the counterweight is fixed on the bottom of the medicine box, and the medicine box can always keep a vertical downward state under the action of the counterweight.

[0015] Preferably, the medicine box is further provided with a throwing assembly for pushing the medicine powder on the bottom of the medicine box upward, the throwing assembly comprises an arc-shaped rod, a convex block, a lifting slide plate and a return spring, the arc-shaped rod is fixed on the bottom of the connecting rotating plate, the convex block is fixed on the arc-shaped rod, the lifting slide plate is slidably connected with the bottom of the medicine box, and the lifting slide plate and the medicine box are connected through the return spring.

[0016] Compared with the prior art, the present application has the following advantages: 1. The buffer pad plate absorbs high-frequency vibration, and the shock-absorbing spring provides low-frequency buffering, the two work together to reduce the influence of vibration of different frequency bands on the medicine box, compared with a single damping structure, this design can more effectively suppress composite vibration, reduce the amplitude of liquid shaking, improve the uniformity of pesticide application, and reduce the increase of energy consumption and structural fatigue of the unmanned aerial vehicle caused by vibration.

[0017] 2. Regardless of how the unmanned aerial vehicle tilts, the medicine box always maintains a vertical posture, avoiding liquid spilling and gravity deviation caused by liquid surface tilting, stabilizing the gravity center of the medicine box, reducing the interference to the flight control system of the unmanned aerial vehicle, and improving the flight stability; the liquid surface remains stable, avoiding uneven spraying or liquid overflow caused by tilting and shaking, and improving the spraying accuracy.

[0018] 3. The limiting state is automatically adjusted during the acceleration and deceleration of the unmanned aerial vehicle, avoiding the medicine box from swinging violently due to inertia, the mechanism allows the medicine box to adjust slightly during flight, and gradually locks when decelerating, avoiding stress concentration caused by instantaneous impact, and ensuring the stability of the unmanned aerial vehicle during flight.

[0019] 4. When the liquid shakes, the buoyancy plate is limited in the up-down movement range by the sliding sleeve, so that the buoyancy plate can press the liquid from the top to reduce the amplitude of liquid shaking, and the buoyancy plate can rotate during the up-down movement, the ball moves along the inclined slide, drives the stirring blade to generate turbulence, accelerates the liquid to stabilize, and suppresses the liquid surface fluctuation; it is effective for high-viscosity liquid or easily precipitated powder, preventing deposition or stratification.

[0020] 5. During the liquid shaking process, the sliding sleeve and the connecting rotating plate rotate, and then drive the convex block to rotate through the arc-shaped rod, and the convex block rotates to cooperate with the return spring to make the lifting slide plate constantly vibrate up and down, so as to push the powder settled at the bottom of the medicine box upward, and cooperate with the stirring blade to make the undissolved powder quickly dissolve in water. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 This is a schematic diagram of the structure of the connecting frame of the present invention.

[0023] Figure 3 This is a schematic diagram of the structure of the air plate of the present invention.

[0024] Figure 4 This is a cross-sectional structural diagram of the medicine box of the present invention.

[0025] Figure 5 This is a schematic diagram of the sliding sleeve of the present invention.

[0026] Figure 6 This is an exploded view of the structure of the sliding sleeve of the present invention.

[0027] Figure 7 This is a schematic diagram of the structure of the inner side of the connecting ring sleeve of the present invention.

[0028] Figure 8 This is an exploded view of the structure at the connecting plate of the present invention.

[0029] The markings in the attached diagram are as follows: 1. Fixed plate; 101. Buffer pad; 102. Shock absorber plate; 1021. Shock absorber spring; 103. Connecting frame; 104. Connecting ball; 105. Fixed top frame; 106. Connecting sleeve; 2. Medicine tank; 2001. Counterweight block; 201. Dosing port; 3. Air vane; 301. Return spring; 302. Push rod; 303. Lifting and locking frame; 304. Locking spring; 4. Buoyancy plate; 401. Connecting ring sleeve; 4011. Ball bearing; 402. Connecting rotating plate; 4021. Arc rod; 4022. Protrusion; 403. Sliding arc plate; 4031. Wedge-shaped locking block; 404. Connecting spring; 405. Actuating push rod; 406. Sliding sleeve; 4061. Inclined slide; 407. Stirring blade; 5. Lifting and locking slide plate; 501. Return spring. Detailed Implementation

[0030] First, it should be noted that in different described embodiments, the same components are given the same reference numerals or the same component names. The disclosure contained throughout this specification can be applied semantically to the same components having the same reference numerals or the same component names. The location descriptions selected in the specification, such as upper, lower, lateral, etc., also refer to the directly described and illustrated figures and are semantically applied to the new location when the location changes.

[0031] Example 1: A vibration-damping medicine storage box for agricultural drones, such as... Figures 1-8As shown, the device includes a fixed plate 1, a buffer pad 101, a shock-absorbing plate 102, a shock-absorbing spring 1021, a connecting frame 103, a medicine tank 2, a medicine inlet 201, a stabilizing mechanism, and a limiting mechanism. The fixed plate 1 is fixed to the bottom of the drone with bolts. A buffer pad 101, made of elastic material, is installed between the fixed plate 1 and the drone. A shock-absorbing plate 102 is slidably connected to the fixed plate 1. The shock-absorbing plate 102 is connected to the fixed plate 1 via a shock-absorbing spring 1021. The two ends of the shock-absorbing spring 1021 are respectively fixed to the buffer pad 103. On the shock plate 102 and the fixed plate 1, the shock-absorbing spring 1021 and the buffer pad 101 can absorb the vibration generated during the flight of the drone. The bottom of the shock plate 102 is fixedly connected to the connecting frame 103. The connecting frame 103 is equipped with the medicine box 2 through the stabilization mechanism. The medicine box 2 has medicine filling ports 201 on both sides. The stabilization mechanism can keep the medicine box 2 in a vertical state. The limiting mechanism is installed on the shock plate 102. During the deceleration of the drone, the limiting mechanism can limit the medicine box 2 and prevent the medicine box 2 and the medicine inside from shaking significantly due to inertia.

[0032] The fixing plate 1 has threaded holes and is bolted to the bottom bracket of the drone. During drone flight, the fixing plate 1 lifts the shock absorber 102, connecting frame 103, and medicine tank 2. The liquid medicine inside the medicine tank 2 is sprayed out from the spray nozzle at its bottom. Vibrations generated during drone flight are mitigated by the buffer pad 101 and shock absorber spring 1021 to prevent the liquid medicine inside the medicine tank 2 from shaking. During drone flight, regardless of the drone's attitude, the stabilizing mechanism keeps the medicine tank 2 vertically downward. During drone flight, the limiting mechanism releases its restraints due to air resistance. The limitation of medicine tank 2 is that when the drone's flight speed decreases, the limiting mechanism automatically resets due to the reduced air resistance. During the reset process, the limiting mechanism will lock medicine tank 2 again to prevent medicine tank 2 and the liquid medicine from shaking significantly due to inertia, and to prevent the drone from losing balance due to the influence of medicine tank 2. The buffer pad 101 absorbs high-frequency vibration, while the shock-absorbing spring 1021 provides low-frequency buffering. The two work together to reduce the impact of vibrations of different frequency bands on the medicine tank. Compared with a single shock-absorbing structure, this design can more effectively suppress compound vibration, reduce the amplitude of liquid medicine shaking, improve the uniformity of drug application, and at the same time reduce the increase in energy consumption and structural fatigue of the drone caused by vibration.

[0033] Example 2: Based on Example 1, such as Figure 2 and Figure 3As shown, the stabilizing mechanism includes a connecting ball 104, a fixed top frame 105, and a connecting sleeve 106. The connecting ball 104 is fixedly connected to the bottom of the connecting frame 103, and the fixed top frame 105 is fixedly connected to the top of the medicine box 2. The connecting sleeve 106 is installed inside the fixed top frame 105, and the sliding sleeve 406 of the connecting sleeve 106 is located outside the connecting ball 104. During the flight of the UAV, the fixed top frame 105 and the medicine box 2 can always maintain a vertically downward state under the action of the connecting sleeve 106. It also includes a counterweight 2001. The counterweight 2001 is fixedly connected to the bottom of the medicine box 2. Under the action of the counterweight 2001, the medicine box 2 can always maintain a vertically downward state.

[0034] Because the drone will tilt slightly in the flight direction during flight, and because the medicine tank 2 is connected to the connecting frame 103 through the connecting ball 104, the fixed top frame 105, and the connecting sleeve 106, the medicine tank 2 can rotate freely on the surface of the connecting ball 104 through the connecting sleeve 106. Under the influence of the gravity of the medicine tank 2, the liquid medicine, and the counterweight 2001, the medicine tank 2 always maintains a vertical downward state to avoid the medicine tank 2 shaking back and forth and to prevent the drone from losing balance due to the influence of the medicine tank 2. No matter how the drone tilts, the medicine tank 2 always maintains a vertical attitude, avoiding liquid spillage and center of gravity shift caused by liquid tilt. The center of gravity of the medicine tank 2 is stable, reducing interference with the drone's flight control system and improving flight stability; the liquid surface remains stable, avoiding uneven liquid spraying or liquid overflow caused by tilting and shaking, and improving the accuracy of drug application.

[0035] like Figure 3 As shown, the limiting mechanism includes a wind plate 3, a return spring 301, a push rod 302, a lifting positioning frame 303, and a positioning spring 304. The wind plate 3 is slidably connected to the damping plate 102. The wind plate 3 and the damping plate 102 are connected by the return spring 301. One end of the return spring 301 is fixed to the wind plate 3, and the other end is fixed to the damping plate 102. The push rod 302 is fixed to the wind plate 3. The lifting positioning frame 303 is slidably connected to the bottom of the damping plate 102. The lifting positioning frame 303 and the damping plate 102 are connected by the positioning spring 304. One end of the positioning spring 304 is fixed to the damping plate 102, and the other end is fixed to the lifting positioning frame 303. The push rod 302 contacts the lifting positioning frame 303. The inner arc surface of the lifting positioning frame 303 matches the outer arc surface of the fixed top frame 105.

[0036] Initially, the wind vane 3 and the return spring 301 are in their original positions. During the flight of the drone, the wind vane 3 slides towards the damping plate 102 due to air resistance, and the return spring 301 is compressed. As the wind vane 3 approaches the damping plate 102, the push rod 302 pushes the lifting and locking frame 303 to slide upward along the damping plate 102, and the locking spring 304 is compressed at the same time. After the lifting and locking frame 303 rises to a high position, it will disengage from the fixed top frame 105. At this time, the fixed top frame 105 is no longer restricted, and the connecting sleeve 106 can slide outside the connecting ball 104. During the deceleration of the drone, the wind vane... As the air resistance decreases, the return spring 301 pushes the wind vane 3 to slide away from the damping plate 102 and resets it. The bent rod 302 is then reset, and the locking spring 304 pushes the lifting locking frame 303 to slide downward and reset, locking it back onto the fixed top frame 105. This allows the fixed top frame 105 to restrict the medicine box 2 again, automatically adjusting the limit state during the acceleration and deceleration phases of the drone to prevent the medicine box 2 from swinging violently due to inertia. This mechanism allows the medicine box 2 to make small adjustments during flight and gradually lock during deceleration, avoiding structural stress concentration caused by instantaneous impact and ensuring the stability of the drone during flight.

[0037] Example 3: Based on Example 2, such as Figures 4-8 As shown, it also includes an auxiliary stabilizing mechanism for quickly stabilizing the liquid medicine. The auxiliary stabilizing mechanism includes a buoyancy plate 4, a connecting ring sleeve 401, a connecting rotating plate 402, a sliding sleeve 406, a stirring and stabilizing component, and a locking component. The buoyancy plate 4 is symmetrically slidably connected inside the medicine tank 2. The connecting rotating plate 402 is rotatably connected inside the medicine tank 2. The sliding sleeve 406 is slidably connected outside the connecting rotating plate 402. The connecting ring sleeve 401 is slidably connected outside the sliding sleeve 406. The two ends of the connecting ring sleeve 401 are respectively fixed to the buoyancy plate 4 on the corresponding side. The stirring and stabilizing component is installed outside the sliding sleeve 406. The stirring and stabilizing component is used to quickly restore the liquid medicine in the medicine tank 2 to a stable state. The locking component is installed outside the connecting rotating plate 402. The locking component is used to limit the position of the sliding sleeve 406.

[0038] like Figure 6 and Figure 7 As shown, the stirring and stabilizing assembly includes a ball bearing 4011, an inclined slide 4061, and a stirring blade 407. The ball bearing 4011 is rotatably connected inside the connecting ring sleeve 401. An inclined slide 4061 is provided outside the sliding sleeve 406, and the ball bearing 4011 is located inside the inclined slide 4061. The stirring blade 407 is installed outside the sliding sleeve 406. The sliding sleeve 406 can drive the stirring blade 407 to rotate, so that the medicine liquid in the medicine tank 2 can be quickly and smoothly stabilized.

[0039] When the medicine tank 2 is full of medicine, the buoyancy plate 4 slides to the top of the medicine tank 2 due to the buoyancy of the medicine. As the medicine is continuously sprayed outward, the buoyancy plate 4 and the sliding sleeve 406 always descend synchronously with the medicine along the connecting rotating plate 402. When the drone's flight speed decreases, the medicine tank 2 can be restrained, but the medicine inside will still sway due to inertia. Under the restraint of the buoyancy plate 4, the swaying amplitude of the medicine will be greatly reduced. During the swaying process, the buoyancy plate 4 is pushed to move up and down along the sliding sleeve 406. During the up and down movement of the buoyancy plate 4, under the action of the ball bearing 4011 and the inclined slide 4061, the sliding sleeve 406 and the connecting rotating plate 402 move together. Driven to rotate, the agitator 407 rotates accordingly. During the rotation of the agitator 407 within the liquid, shear turbulence is generated, rapidly dissipating the kinetic energy of the sloshing and quickly restoring the liquid to a stable state. When the liquid sloshes, the buoyancy plate 4 is restricted in its vertical movement by the sliding sleeve 406, allowing the buoyancy plate 4 to press down on the liquid from the top, reducing the amplitude of the sloshing. During the vertical movement of the buoyancy plate 4, the sliding sleeve 406 is simultaneously rotated, and the ball bearing 4011 moves along the inclined slide 4061, driving the agitator 407 to generate turbulence, accelerating the stabilization of the liquid and suppressing surface fluctuations. This is effective for high-viscosity liquids or easily precipitated powders, preventing sedimentation or stratification.

[0040] like Figure 5 and Figure 8 As shown, the locking assembly includes a sliding arc plate 403, a wedge-shaped locking block 4031, and an unlocking assembly. The sliding arc plate 403 is symmetrically slidably connected to both sides of the connecting plate 402. The wedge-shaped locking block 4031 is installed inside the sliding arc plate 403. A wedge-shaped block is also fixed to the top of the sliding sleeve 406. The wedge-shaped locking block 4031 can restrict the movement of the sliding sleeve 406 by the wedge-shaped block at the top of the sliding sleeve 406. The unlocking assembly is installed on the sliding arc plate 403 and is used to release the restriction on the sliding sleeve 406.

[0041] like Figure 5 and Figure 8 As shown, the unlocking assembly includes a connecting spring 404 and a toggle lever 405. The sliding arc plate 403 and the connecting rotating plate 402 are connected by the connecting spring 404. One end of the connecting spring 404 is fixed on the sliding arc plate 403, and the other end is fixed on the connecting rotating plate 402. The toggle lever 405 is fixed on the sliding arc plate 403. The top of the toggle lever 405 passes through the medicine box 2, and the toggle lever 405 can slide along the medicine box 2.

[0042] As the sliding sleeve 406 descends along the connecting rotating plate 402, the wedge-shaped block at the top of the sliding sleeve 406 continuously pushes the sliding arc plate 403 along the connecting rotating plate 402 through the wedge-shaped locking block 4031. When the sliding sleeve 406 disengages from the wedge-shaped locking block 4031, the sliding arc plate 403 can slide back to its original position along the connecting rotating plate 402 under the push of the connecting spring 404, thereby allowing the wedge-shaped locking block 4031 to restrict the sliding sleeve 406 from the top. After the liquid is sprayed, the sliding sleeve 406 descends to its lowest position along the connecting rotating plate 402, the drone flies back and refills the liquid into the medicine tank 2. At this time, by moving the push rod 405, the two sliding arc plates 403 are pushed together, causing the wedge-shaped locking block 4031 to disengage from the sliding sleeve 406. At this time, under the action of the buoyancy of the liquid, the buoyancy plate 4, the connecting ring sleeve 401, and the sliding sleeve 406 will slide back to their original position along the connecting rotating plate 402.

[0043] like Figure 5 and Figure 8 As shown, it also includes a throwing assembly that pushes the powder at the bottom of the medicine box 2 upward. The throwing assembly includes an arc rod 4021, a protrusion 4022, a lifting slide plate 5, and a return spring 501. The arc rod 4021 is fixed to the bottom of the connecting plate 402, and the protrusion 4022 is fixed to the arc rod 4021. The lifting slide plate 5 is slidably connected to the bottom of the medicine box 2. The lifting slide plate 5 and the medicine box 2 are connected by the return spring 501. One end of the return spring 501 is fixed to the lifting slide plate 5, and the other end is fixed to the medicine box 2. During the rotation of the connecting plate 402, the lifting slide plate 5 can be pushed upward by the arc rod 4021 and the protrusion 4022, thereby throwing the powder at the bottom of the medicine box 2 upward.

[0044] During the rotation of the sliding sleeve 406, the connecting rotating plate 402 will rotate. The rotation of the connecting rotating plate 402 will cause the arc-shaped rod 4021 and the protrusion 4022 at its bottom to rotate. During the rotation of the protrusion 4022, the lifting slide plate 5 will rise along the medicine box 2 and compress the return spring 501. When the protrusion 4022 disengages from the lifting slide plate 5, the return spring 501 will push the lifting slide plate 5 to descend and reset. During the rotation of the arc-shaped rod 4021 driven by the connecting rotating plate 402, the protrusion 4022 and the return spring 501 cooperate to... The lifting slide plate 5 slides up and down continuously to push the powder settled at the bottom of the medicine tank 2 upward. The powder thrown upward will quickly dissolve into the water under the agitation of the stirring rod. During the shaking of the medicine liquid, the sliding sleeve 406 and the connecting rotating plate 402 rotate, which in turn drives the protrusion 4022 to rotate through the arc rod 4021. During the rotation of the protrusion 4022, it cooperates with the return spring 501 to make the lifting slide plate 5 shake up and down continuously, so as to push the powder settled at the bottom of the medicine tank 2 upward. At the same time, the stirring blade 407 makes the undissolved powder quickly dissolve into the water.

[0045] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A vibration-damping medicine storage box for agricultural drones, characterized in that, The system includes a fixed plate (1), a buffer pad (101), a shock absorber (102), a shock absorber spring (1021), a connecting frame (103), a medicine tank (2), a medicine inlet (201), a stabilizing mechanism, and a limiting mechanism. The fixed plate (1) is fixed to the bottom of the UAV by bolts. A buffer pad (101) is installed between the fixed plate (1) and the UAV. The buffer pad (101) is made of elastic material. A shock absorber (102) is slidably connected to the fixed plate (1). The shock absorber (102) is connected to the fixed plate. (1) They are connected by a shock-absorbing spring (1021). A connecting frame (103) is fixed to the bottom of the shock-absorbing plate (102). The connecting frame (103) is equipped with a medicine box (2) through a stabilizing mechanism. Both sides of the medicine box (2) are provided with medicine inlets (201). The stabilizing mechanism can keep the medicine box (2) in a vertical state. The limiting mechanism is installed on the shock-absorbing plate (102). During the deceleration of the drone, the limiting mechanism can limit the medicine box (2) and prevent the medicine box (2) and its internal liquid from shaking significantly due to inertia. The steady-state mechanism includes a connecting ball (104), a fixed top frame (105), and a connecting sleeve (106). The connecting ball (104) is fixedly connected to the bottom of the connecting frame (103), and the fixed top frame (105) is fixedly connected to the top of the medicine box (2). The connecting sleeve (106) is installed inside the fixed top frame (105), and the connecting sleeve (106) is slidably sleeved outside the connecting ball (104). The limiting mechanism includes a wind plate (3), a return spring (301), a push rod (302), a lifting clamping frame (303), and a clamping spring (304). The wind plate (3) is slidably connected to the damping plate (102). The wind plate (3) and the damping plate (102) are connected by the return spring (301). The push rod (302) is fixedly connected to the wind plate (3). The lifting clamping frame (303) is slidably connected to the bottom of the damping plate (102). The lifting clamping frame (303) and the damping plate (102) are connected by the clamping spring (304). The push rod (302) contacts the lifting clamping frame (303). The inner arc surface of the lifting clamping frame (303) matches the outer arc surface of the fixed top frame (105). Initially, the wind vane (3) and the return spring (301) are in their original positions. During the flight of the UAV, the wind vane (3) slides towards the damping plate (102) due to air resistance, and the return spring (301) is compressed. As the wind vane (3) approaches the damping plate (102), the push rod (302) pushes the lifting and positioning frame (303) to slide upward along the damping plate (102), and the positioning spring (304) is compressed at the same time. After the lifting and positioning frame (303) rises to a high position, it will disengage from the fixed top frame (105). At this time, the fixed top frame (105) is no longer restricted, the connecting sleeve (106) can slide outside the connecting ball (104), the air resistance of the wind plate (3) decreases during the deceleration of the drone, the reset spring (301) pushes the wind plate (3) to slide and reset away from the shock absorber (102), pushes the bent rod (302) to reset, and the locking spring (304) will push the lifting locking frame (303) to slide down and reset, and re-lock outside the fixed top frame (105) so as to re-restrain the medicine box (2) through the fixed top frame (105).

2. The agricultural drone anti-vibration medicine storage box according to claim 1, characterized in that, It also includes an auxiliary stabilizing mechanism for quickly stabilizing the liquid medicine. The auxiliary stabilizing mechanism includes a buoyancy plate (4), a connecting ring sleeve (401), a connecting rotating plate (402), a sliding sleeve (406), an agitation stabilizing component, and a locking component. The buoyancy plate (4) is symmetrically slidably connected inside the medicine tank (2). The connecting rotating plate (402) is rotatably connected inside the medicine tank (2). The sliding sleeve (406) is slidably connected outside the connecting rotating plate (402). The connecting ring sleeve (401) is slidably connected outside the sliding sleeve (406). The two ends of the connecting ring sleeve (401) are respectively fixed to the buoyancy plate (4) on the corresponding side. The agitation stabilizing component is installed outside the sliding sleeve (406). The agitation stabilizing component is used to quickly restore the liquid medicine in the medicine tank (2) to a stable state. The locking component is installed outside the connecting rotating plate (402). The locking component is used to limit the position of the sliding sleeve (406).

3. The agricultural drone anti-vibration medicine storage box according to claim 2, characterized in that, The stirring and stabilizing assembly includes a ball bearing (4011), an inclined slide (4061), and an agitator (407). The ball bearing (4011) is rotatably connected inside the connecting ring sleeve (401). An inclined slide (4061) is provided outside the sliding sleeve (406), and the ball bearing (4011) is located inside the inclined slide (4061). An agitator (407) is installed outside the sliding sleeve (406).

4. The agricultural drone anti-vibration medicine storage box according to claim 2, characterized in that, The locking assembly includes a sliding arc plate (403), a wedge-shaped locking block (4031), and an unlocking assembly. The sliding arc plate (403) is symmetrically slidably connected to both sides of the connecting plate (402). The wedge-shaped locking block (4031) is installed inside the sliding arc plate (403). The top of the sliding sleeve (406) is also fixed with a wedge-shaped block. The wedge-shaped locking block (4031) can restrict the movement of the sliding sleeve (406) by the wedge-shaped block on the top of the sliding sleeve (406). The unlocking assembly is installed on the sliding arc plate (403) and is used to release the restriction on the sliding sleeve (406).

5. The agricultural drone anti-vibration medicine storage box according to claim 4, characterized in that, The unlocking assembly includes a connecting spring (404) and a toggle lever (405). The sliding arc plate (403) and the connecting rotating plate (402) are connected by the connecting spring (404). The toggle lever (405) is fixed on the sliding arc plate (403). The top of the toggle lever (405) passes through the medicine box (2) and the toggle lever (405) can slide along the medicine box (2).

6. The agricultural drone anti-vibration medicine storage box according to claim 1, characterized in that, It also includes a counterweight (2001). The bottom of the medicine box (2) is fixed with a counterweight (2001). Under the action of the counterweight (2001), the medicine box (2) can always maintain a vertical downward state.

7. The agricultural drone anti-vibration medicine storage box according to claim 3, characterized in that, It also includes a throwing assembly that pushes the powder at the bottom of the medicine box (2) upward. The throwing assembly includes an arc rod (4021), a protrusion (4022), a lifting slide plate (5), and a return spring (501). The arc rod (4021) is fixedly connected to the bottom of the connecting plate (402), and the protrusion (4022) is fixedly connected to the arc rod (4021). The lifting slide plate (5) is slidably connected to the bottom of the medicine box (2), and the lifting slide plate (5) is connected to the medicine box (2) through the return spring (501).

Images