A spraying uniformity detection device for a plant protection machine nozzle

Abstract

The application discloses a kind of detection devices of spray uniformity of plant protection machinery nozzle, it is related to irrigation equipment detection technical field, including detection table component, the top center of detection table component is provided with connecting assembly.The water mist sprayed by spraying assembly is cooperated and taken by the weighing cup and matrix gravity sensor uniformly distributed in detection assembly, that is, the uniformity of mechanical plant protection nozzle spray can be judged by weight detection, under the action of driving assembly, the detection assembly that takes water mist will rotate, in the process of rotation, the scale in the first industrial camera and second industrial camera and weighing cup is cooperated, increase the accuracy of spray uniformity detection result, cooperate rack and ratchet plate, weighing cup will automatically overturn and shake and pour water, then re-invert and re-invest detection process, without manual participation and redundant operation, degree of automation is higher, effectively improve overall detection efficiency.

Description

Technical Field

[0001] This invention relates to the field of irrigation equipment testing technology, specifically to a device for testing the spray uniformity of a plant protection mechanical nozzle. Background Technology

[0002] The nozzle of plant protection machinery is a key component. It is mainly used to evenly spray agricultural materials such as pesticides and fertilizers, in the form of mist, strips, or drops, onto crops, garden plants, and other objects. In the field of agricultural plant protection, the uniformity of spraying by plant protection machinery is crucial to the protective effect on crops. Precise and uniform spraying can ensure that pesticides, fertilizers, and other substances are evenly covered on the surface of crops, improve the effectiveness of pest and disease control and fertilizer utilization, thereby promoting the healthy growth of crops.

[0003] In existing technologies, when testing the spray uniformity of plant protection machinery nozzles before they are put into use, the main method is to use evenly arranged measuring cups to collect the mist water sprayed from the mechanical nozzles. Then, the uniformity of the spray is judged by weighing the measuring cups at different positions and by visual inspection. After the test is completed, all the water in the measuring cups needs to be poured out and then placed back under the mechanical nozzles. The uniformity of the water mist under different heights and flow rates of the mechanical nozzles is then tested again. During the test, the water in the measuring cups needs to be repeatedly turned over and poured out manually, which is cumbersome and results in low overall testing efficiency.

[0004] Therefore, a spray uniformity testing device for plant protection mechanical nozzles is proposed to solve the problems mentioned in the background art. Summary of the Invention

[0005] The purpose of this invention is to provide a spray uniformity detection device for plant protection machinery nozzles, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a spray uniformity testing device for a plant protection mechanical nozzle, comprising a testing platform assembly, a connecting component disposed at the top center of the testing platform assembly, a driving component disposed at the top of the connecting component, a testing component disposed on the outer side of the driving component, and a spraying component disposed on the side of the testing platform assembly. The testing platform assembly includes a funnel-shaped platform, and a barrier is fixedly connected to the top of the funnel-shaped platform near its edge. The connecting component includes a connecting column, which is fixedly connected to the top center of the funnel-shaped platform. A platform is fixedly connected, and racks are provided at the top edge of the platform near the front and left sides. A ratchet plate is fixedly connected to the top of the platform near the inner side of the racks. The drive assembly includes a servo motor. The number of detection components is set to four, and each detection component includes a detection tray. A matrix gravity sensor is installed at the bottom of the detection tray. The spraying assembly includes a mounting shell, which is fixedly connected to the right side of the outer surface of the enclosure. A mounting plate extending to the left is slidably connected to the left surface of the mounting shell. A mechanical plant protection nozzle is installed at the bottom of the mounting plate near the left side.

[0007] Preferably, a support frame is fixedly installed at the bottom of the funnel-shaped platform, a controller is installed between the inner walls of the support frame near the left side, and a water storage tank is fixedly connected to the top of the support frame near the right side.

[0008] Preferably, a motor base is fixedly connected between the inner walls of the connecting column near the bottom. The servo motor is fixedly mounted on the top of the motor base. A square rotating block is fixedly connected to the output end of the servo motor. The square rotating block is rotatably connected to the top center of the platform. Sliding grooves are formed on all four sides of the square rotating block. A slider is slidably connected between the inner walls of the sliding grooves. A spring is fixedly connected between the top of the slider and the inner top of the sliding groove. A connecting arm is fixedly connected to the outer surface of the slider away from the square rotating block. A wedge block is fixedly connected to the outer surface of the connecting arm. A gear is rotatably connected to the outer surface of the wedge block through a plane bearing. A connecting rod is fixedly connected to the outer surface of the gear.

[0009] Preferably, the outer surfaces of the four detection trays are symmetrically fixed with connecting sleeves and stabilizing plates, and the four connecting sleeves are fixedly connected to the connecting rods by bolts. The top of the detection tray is tapered, and the top of the matrix gravity sensor is provided with weighing cups at equal intervals. The top of the detection tray is provided with multiple clearance holes at equal intervals, and the clearance holes correspond to the positions of the weighing cups.

[0010] Preferably, the wedge block and the ratchet plate cooperate, the bottom of the wedge block is provided with a mounting groove, the inner surface of the mounting groove is rotatably connected to a rotating roller through a rotating shaft, the gear and the rack cooperate, the inner surface of the weighing cup is provided with a scale, a connecting frame is fixedly connected to the outer surface of the enclosure near the rear side, and a first industrial camera and a second industrial camera are fixedly installed on the inner top of the connecting frame, the first industrial camera being inclined.

[0011] Preferably, an electric actuator is installed at the bottom of the mounting housing, the telescopic end of the electric actuator is connected to the bottom of the mounting plate, a flow valve is installed at the top of the mounting plate, the outlet of the flow valve is connected to the inlet of the mechanical plant protection nozzle through a water pipe, a water pump is installed at the top of the mounting housing, the output end of the water pump is connected to the inlet of the flow valve through a water pipe, and a downward-extending suction pipe is installed at the input end of the water pump, the bottom end of the suction pipe extending into the water storage tank.

[0012] Preferably, a plurality of ball bearings are movably connected to the top of the enclosure, and the outer surface of the ball bearings is in contact with the bottom of the stabilizing plate.

[0013] Preferably, the outer surface of the enclosure has two clearance grooves, the two clearance grooves and the two racks are positioned correspondingly, and the enclosure and the ball bearings are not aligned. The controller is electrically connected to the first industrial camera, the second industrial camera, the servo motor, the matrix gravity sensor, the electric actuator, the flow valve and the water pump via wiring.

[0014] Preferably, a drain outlet is fixedly connected to the bottom of the funnel-shaped platform near the right side, and the drain outlet is located above the water storage tank.

[0015] Preferably, a filter plate is inserted between the inner walls of the front and rear sides of the water storage tank, the filter plate is located to the right of the drain outlet, and the bottom end of the pumping pipe is located to the right of the filter plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. In use, this invention uses a weighing cup and a matrix gravity sensor in a detection component to collect the water mist sprayed by the spraying component. The uniformity of the spray from the mechanical plant protection nozzle can be determined by weight detection. Under the action of the drive component, the detection component that collects the water mist will rotate. During the rotation, the first and second industrial cameras and the scale in the weighing cup work together to increase the accuracy of the spray uniformity detection results. With the help of the rack and pinion, the weighing cup will automatically flip and shake to pour out water. Then it will flip again and be put back into the detection process. No manual intervention or extra operations are required. The degree of automation is high and the overall detection efficiency is effectively improved.

[0018] 2. When this invention is used, during the operation of this device, when the stabilizing plate and the top ball bearing of the enclosure are in contact, the stability of the detection tray is improved. When the stabilizing plate is in the clearance groove position, it will flip along with the detection tray. After flipping, the stabilizing plate will return to a horizontal state and start moving in contact with the top of the enclosure, ensuring the stability of the detection tray, avoiding tilting of the detection tray and weighing cup, and improving the accuracy of the detection effect.

[0019] 3. When using this invention, the water poured from the weighing cup enters the funnel-shaped platform and flows to the lowest drain outlet, then into the water storage tank. It is then drawn out again by the pumping pipe for reuse. A filter plate is installed between the pumping pipe and the drain outlet, so the recycled water is filtered before being drawn out for use, avoiding blockage of the water supply structure. The overall structure is simple, which not only saves water resources but also reduces the water replenishment interval, making it highly practical. Attached Figure Description

[0020] Figure 1 This is a perspective view of a spray uniformity detection device for a plant protection mechanical nozzle according to the present invention.

[0021] Figure 2 This is another perspective view of the spray uniformity detection device for a plant protection mechanical nozzle according to the present invention;

[0022] Figure 3 This is a schematic diagram of the test platform assembly of the spray uniformity testing device for a plant protection mechanical nozzle according to the present invention.

[0023] Figure 4 This is a schematic diagram of another part of the test platform assembly of the spray uniformity testing device for a plant protection mechanical nozzle according to the present invention.

[0024] Figure 5 This is a schematic diagram showing the connection components, drive components, and detection components of a spray uniformity detection device for a plant protection mechanical nozzle according to the present invention.

[0025] Figure 6 This is a schematic diagram of the connection component structure of the spray uniformity detection device for a plant protection mechanical nozzle according to the present invention.

[0026] Figure 7 This is a schematic diagram of the drive component structure of a spray uniformity detection device for a plant protection mechanical nozzle according to the present invention.

[0027] Figure 8 for Figure 7 Enlarged view of point A in the middle.

[0028] Figure 9 This is a schematic diagram of the detection component structure of a spray uniformity detection device for a plant protection mechanical nozzle according to the present invention.

[0029] Figure 10 This is a schematic diagram of the spraying component structure of a spray uniformity detection device for a plant protection mechanical nozzle according to the present invention.

[0030] In the diagram: 1. Inspection table assembly; 101. Support frame; 102. Controller; 103. Funnel-shaped tabletop; 104. Drain outlet; 105. Enclosure; 106. Ball bearing; 107. Clearance groove; 108. Water tank; 109. Filter plate; 110. Connecting frame; 111. First industrial camera; 112. Second industrial camera; 2. Connecting assembly; 201. Connecting column; 202. Motor base; 203. Platform; 204. Ratchet; 205. Rack; 3. Drive assembly; 301. Servo motor; 302. Square rotating block; 303. Slide groove; 30 4. Slider; 305. Connecting arm; 306. Spring; 307. Wedge block; 308. Mounting groove; 309. Rotating roller; 310. Gear; 311. Connecting rod; 4. Detection assembly; 401. Matrix gravity sensor; 402. Detection tray; 403. Clearance hole; 404. Stabilizing plate; 405. Connecting sleeve; 406. Weighing cup; 407. Scale; 5. Spraying assembly; 501. Mounting shell; 502. Electric actuator; 503. Mounting plate; 504. Mechanical plant protection nozzle; 505. Flow valve; 506. Water pump; 507. Pumping pipe. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Example 1: Please refer to Figures 1-10As shown, the present invention provides a technical solution: a spray uniformity testing device for a plant protection machinery nozzle, comprising a testing platform assembly 1, a connecting assembly 2 disposed at the top center of the testing platform assembly 1, a driving assembly 3 disposed at the top of the connecting assembly 2, a testing assembly 4 disposed on the outside of the driving assembly 3, and a spraying assembly 5 disposed on the side of the testing platform assembly 1. The testing platform assembly 1 includes a funnel-shaped platform 103, with a retaining wall 105 fixedly connected to the top of the funnel-shaped platform 103 near its edge. The connecting assembly 2 includes a connecting column 201, which is fixedly connected to the top center of the funnel-shaped platform 103, and a platform 203 is fixedly connected to the top of the connecting column 201. A rack 205 is provided at the top edge of platform 203 near the front and left sides. A ratchet plate 204 is fixedly connected to the top of platform 203 near the inner side of rack 205. The drive assembly 3 includes a servo motor 301. The number of detection assemblies 4 is set to four. Each detection assembly 4 includes a detection tray 402. A matrix gravity sensor 401 is installed at the bottom of the detection tray 402. The spraying assembly 5 includes a mounting shell 501. The mounting shell 501 is fixedly connected to the right side of the outer surface of enclosure 105. A mounting plate 503 extending to the left is slidably connected to the left side of the mounting shell 501. A mechanical plant protection nozzle 504 is installed at the bottom of the mounting plate 503 near the left side.

[0033] A support frame 101 is fixedly installed at the bottom of the funnel-shaped platform 103. A controller 102 is installed between the inner walls of the support frame 101 near the left side. A water storage tank 108 is fixedly connected to the top of the support frame 101 near the right side. The support frame 101 is mainly used to support the device off the ground. The controller 102 is a PLC control host that can analyze and process the received electrical signals and transmit them to an external display device. The water storage tank 108 is used to store the water needed for spraying.

[0034] A motor base 202 is fixedly connected to the inner wall of the connecting column 201 near the bottom. A servo motor 301 is fixedly mounted on the top of the motor base 202. A square rotating block 302 is fixedly connected to the output end of the servo motor 301. The square rotating block 302 is rotatably connected to the top center of the platform 203. Slide grooves 303 are formed on all four sides of the square rotating block 302. A slider 304 is slidably connected between the inner walls of the slide grooves 303. A spring 306 is fixedly connected between the top of the slider 304 and the inner top of the slide groove 303. A connecting arm 305 is fixedly connected to the outer surface of the slider 304 away from the square rotating block 302. A wedge block 307 is fixedly connected to the outer surface of the connecting arm 305. The outer surface of the wedge block 307 rotates through a plane bearing. The moving connection includes a gear 310, and a connecting rod 311 is fixedly connected to the outer surface of the gear 310. The motor base 202 is mainly used to install the servo motor 301. The sliding groove 303 on the surface of the square rotating block 302 is used to install the slider 304 and limit its movement, so that the slider 304 can only slide up and down. When the slider 304 slides upward, it will compress the spring 306 to contract. The connecting arm 305 is used to connect the wedge block 307 and the slider 304. When the servo motor 301 is started, it can drive the slider 304 to rotate. During the process, the slider 304 will drive the wedge block 307 to rotate through the connecting arm 305. The wedge block 307 will drive the gear 310 to rotate. The gear 310 and the wedge block 307 are connected by a plane bearing, so the gear 310 can also rotate on its own.

[0035] Four detection trays 402 are symmetrically fixed with connecting sleeves 405 and stabilizing plates 404 on their outer surfaces. Each of the four connecting sleeves 405 is fixedly connected to a connecting rod 311 by bolts. The top of the detection tray 402 is tapered. Weighing cups 406 are equidistantly arranged on the top of the matrix gravity sensor 401. Multiple clearance holes 403 are equidistantly provided on the top of the detection tray 402, with the clearance holes 403 corresponding to the positions of the weighing cups 406. The connecting sleeves 405 on the surface of the detection tray 402 and the connecting rods 311 on the surface of the gear 310 are connected by bolts. Therefore, when gear 310 rotates horizontally and rotates on its own axis, it will drive the detection tray 402 to rotate synchronously. The top of the detection tray 402 is set as a cone shape, so when the water mist sprayed by the mechanical plant protection nozzle 504 falls onto the top of the detection tray 402, it will flow to all sides and eventually flow into the funnel-shaped platform 103 below. The weighing cup 406 is mainly used to collect the sprayed water mist. The detection end of the matrix gravity sensor 401 is placed inside the weighing cup 406 for weighing the water mist collected inside the weighing cup 406. The clearance hole 403 is used to avoid the weighing cup 406.

[0036] The wedge block 307 and the ratchet plate 204 cooperate. The bottom of the wedge block 307 has a mounting groove 308. The inner surface of the mounting groove 308 is rotatably connected to the rotating roller 309 through a rotating shaft. The gear 310 and the rack 205 cooperate. The inner surface of the weighing cup 406 has a scale 407. The outer surface of the enclosure 105 is fixedly connected to the rear side of the frame. The inner top of the connecting frame 110 is fixedly installed with the first industrial camera 111 and the second industrial camera 112. The first industrial camera 111 is set at an angle. When the wedge block 307 rotates horizontally and passes through the area of ​​the ratchet plate 204, it will be continuously subjected to upward squeezing force under the action of the teeth, which will drive the slider 304 to move upward inside the groove 303. During the process, the slider 304 squeezes the spring. When spring 306 contracts and rebounds, it pushes slider 304 and wedge block 307 downward, thus creating an up-and-down swaying state. Connecting frame 110 is mainly used to install the first industrial camera 111 and the second industrial camera 112 at the position above the rear side of enclosure 105, so as to collect images of the passing inspection tray 402. According to the height of the water surface of weighing cup 406 at the scale 407 at different positions in the image, the spray uniformity of mechanical plant protection nozzle 504 can be judged. When the top of wedge block 307 and ratchet plate 204 are pressed together, the rotating roller 309 connected to the bottom of wedge block 307 through the rotating shaft plays the role of converting the sliding friction between wedge block 307 and ratchet plate 204 into rolling friction, thereby reducing frictional resistance and frictional damage.

[0037] An electric actuator 502 is installed at the bottom of the mounting housing 501. The telescopic end of the electric actuator 502 is connected to the bottom of the mounting plate 503. A flow valve 505 is installed at the top of the mounting plate 503. The outlet of the flow valve 505 is connected to the inlet of the mechanical plant protection nozzle 504 through a water pipe. A water pump 506 is installed at the top of the mounting housing 501. The output end of the water pump 506 is connected to the inlet of the flow valve 505 through a water pipe. A downward-extending suction pipe 507 is installed at the input end of the water pump 506. The bottom end of the suction pipe 507 extends into the water storage tank 108. When the electric actuator 502 is started, it can drive the mounting plate 503 to rise and fall, thereby adjusting the height of the mechanical plant protection nozzle 504. The water pump 506, in conjunction with the suction pipe 507, can draw water from the water storage tank 108 and deliver it to the mechanical plant protection nozzle 504 to spray water mist. The flow valve 505 is used to adjust the water flow rate at the output end of the water pump 506.

[0038] The steps of using this invention are as follows: When using this device to test the spray uniformity of a plant protection machinery nozzle, first, the plant protection machinery nozzle 504 to be tested is installed below the mounting plate 503. Then, the water pump 506 is started, and water is drawn from the water storage tank 108 through the water pipe 507 and sent to the plant protection machinery nozzle 504 through the flow valve 505, spraying downwards in the form of water mist. After the water mist is sprayed out, it enters the weighing cups 406 evenly arranged below. At this time, the matrix gravity sensor 401 sends the weight signals of the weighing cups 406 at different positions to the controller 102. Subsequently, the controller 102 controls the servo motor 301 to start, driving the square rotating block 302 to rotate 90°. During the process, the detection tray 402 will rotate with the square rotating block 302 and... The weighing cup 406, filled with water, rotates counterclockwise to below the connecting frame 110. At this time, the first industrial camera 111 takes a picture from a 45° angle above the weighing cup 406, and the second industrial camera 112 takes a picture from above, transmitting the image information to the controller 102. Subsequently, the servo motor 301 drives the square rotating block 302 to continue rotating counterclockwise. At this time, the gear 310, connected by the slider 304, connecting arm 305, and wedge block 307, meshes with the rack 205 behind it. The number of teeth of the gear 310 is twice the number of teeth of the rack 205, and the gear 310 and the wedge block 307 are connected by a plane bearing. Therefore, the gear 310 will gradually rotate 180° as it passes the rack 205 behind it. During this process, the connecting rod 31... The detection tray 402, connected to the connecting sleeve 405 and gear 310, will rotate synchronously. At this time, the water in the weighing cup 406 will be poured into the funnel-shaped platform 103. After the gear 310 disengages from the area of ​​the rear rack 205, the corresponding wedge block 307 will engage with the ratchet plate 204. During the rotation of the wedge block 307, the bottom of the wedge block 307 will press against the top of the ratchet plate 204. Therefore, the wedge block 307, connecting arm 305, and slider 304 will continuously move upward. During the upward movement, the slider 304 will compress the spring 306 inside the slide groove 303. When the bottom sharp corner of the wedge block 307 engages with the ratchet teeth above the ratchet plate 204, the spring 306 will rebound and push the slider 304, connecting arm 305, and wedge block 307. As wedge 307 moves downwards, it causes the detection tray 402 and weighing cup 406 to shake up and down when passing through the ratchet plate 204 area. This ensures that the water in the weighing cup 406 is completely emptied, preventing it from affecting the next test result. After wedge 307 passes through the ratchet plate 204 area, gear 310 will again reach the area near the front rack 205. Therefore, with the cooperation of gear 310 and front rack 205, the detection tray 402 will cause the weighing cup 406 to flip upwards again and rotate back to below the mechanical plant protection nozzle 504. At this time, under the action of controller 102, electric actuator 502 can adjust the height of mounting plate 503 and mechanical plant protection nozzle 504, and flow valve 505 controls the water flow rate of water pump 506.The uniformity of spraying from the mechanical plant protection nozzle 504 under different heights and flow rates is then tested. After the test, the uniformity of spraying from the mechanical plant protection nozzle 504 under different conditions is determined by checking whether the water level at the corresponding height of the scale 407 in the weighing cup 406 at different positions is the same, based on the image information collected by the first industrial camera 111 and the second industrial camera 112. The uniformity of spraying from the mechanical plant protection nozzle 504 under different conditions can also be determined by checking whether the weight of the weighing cup 406 at different positions on the top of the matrix gravity sensor 401 is the same. During the test, the water pouring action is automatically completed by the servo motor 301 driving the test tray 402 and the weighing cup 406 to rotate cyclically. No manual intervention or unnecessary operations are required, resulting in a high degree of automation and effectively improving the overall testing efficiency.

[0039] Example 2: Figure 1 , Figure 3 , Figure 5 and Figure 9 As shown, the difference in the basic embodiment is that a plurality of ball bearings 106 are movably connected to the top of the enclosure 105. The outer surface of the ball bearings 106 is in contact with the bottom of the stabilizing plate 404. During use, the stabilizing plate 404 rotates synchronously with the detection tray 402. The stabilizing plate 404 moves on the surface of the enclosure 105 during rotation, thereby improving the stability of the detection tray 402. The ball bearings 106 on the top of the enclosure 105 can convert the sliding friction between the enclosure 105 and the stabilizing plate 404 into rolling friction, reducing frictional resistance and frictional damage.

[0040] Two clearance grooves 107 are formed on the outer surface of the enclosure 105. The two clearance grooves 107 correspond to the positions of the two racks 205, and the enclosure 105 and the ball bearings 106 are not aligned. The controller 102 is electrically connected to the first industrial camera 111, the second industrial camera 112, the servo motor 301, the electric actuator 502, the matrix gravity sensor 401, the flow valve 505, and the water pump 506 via wiring. In use, when the gear 310 connected to the detection tray 402 moves to the area of ​​the rack 205 and begins to rotate, the stabilizing plate 404 will synchronously reach the position of the clearance groove 107. Therefore, the stabilizing plate 404 will flip in the clearance groove 107. After flipping, the stabilizing plate 404 will return to a horizontal state and adhere to the top of the enclosure 105 to begin moving. The controller 102 is mainly used to control the first industrial camera 111, the second industrial camera 112, the servo motor 301, the electric actuator 502, the matrix gravity sensor 401, the flow valve 505, and the water pump 506. An industrial camera 111, a second industrial camera 112, a servo motor 301, an electric actuator 502, a matrix gravity sensor 401, a flow valve 505, and a water pump 506 work together. The servo motor 301 stops for 3 seconds every 90° rotation, and the first industrial camera 111 and the second industrial camera 112 start taking pictures simultaneously. The water pump 506 simultaneously draws water through the water pipe 507 and supplies water mist to the mechanical plant protection nozzle 504 through the flow valve 505. The matrix gravity sensor 401 simultaneously detects weight and converts it into an electrical signal, which is sent to the controller 102. According to the settings, for every fixed number of rotations driven by the servo motor 301, the square rotating block 302 rotates, the electric actuator 502 pushes the mounting plate 503 to rise and fall to different heights, and the flow valve 505 adjusts the flow rate of the water.

[0041] In the operation of this invention, when the detection tray 402 rotates horizontally, the stabilizing plate 404 on its surface slides along with the top of the enclosure 105, thereby improving the stability of the detection tray 402 during movement. Furthermore, the ball bearings 106 on the top of the enclosure 105 convert the sliding friction between the enclosure 105 and the stabilizing plate 404 into rolling friction, reducing frictional resistance and damage, and further improving the stability of the detection tray 402 during rotation. When the gear 310 connected to the detection tray 402 moves to the rack 205 area and begins to rotate, the stabilizing plate 404 simultaneously reaches the position of the clearance groove 107. Therefore, the stabilizing plate 404 flips within the clearance groove 107. After flipping, the stabilizing plate 404 returns to a horizontal state, adhering to the top of the enclosure 105, and begins to move again, further improving the stability of the detection tray 402, preventing the detection tray 402 and weighing cup 406 from tilting, and improving the accuracy of the detection results.

[0042] Example 3: Figures 1-3 and Figure 10As shown, the difference in the basic embodiment is that a drain outlet 104 is fixedly connected to the bottom of the funnel-shaped platform 103 near the right side. The drain outlet 104 is located above the water storage tank 108 and at the lowest point of the funnel-shaped platform 103. When in use, the water poured out of the weighing cup 406 will enter the funnel-shaped platform 103 and flow to the drain outlet 104 at the lowest point and be discharged into the water storage tank 108.

[0043] A filter plate 109 is inserted between the inner walls of the front and rear sides of the water storage tank 108. The filter plate 109 is located to the right of the drain outlet 104, and the bottom end of the water pump pipe 507 is located to the right of the filter plate 109. When in use, the filter plate 109 is installed between the water pump pipe 507 and the drain outlet 104, so the recycled water will be filtered before being pumped out for use, thus avoiding blockage of the water supply structure.

[0044] In the operation of this invention, the water poured from the weighing cup 406 enters the funnel-shaped platform 103 and flows towards the lowest drain outlet 104, draining into the water storage tank 108. It is then drawn out again by the pumping pipe 507 for reuse. A filter plate 109 is installed between the pumping pipe 507 and the drain outlet 104, so the recycled water is filtered before being drawn out for use, avoiding blockage of the water supply structure. The overall structure is simple, which not only saves water resources but also reduces the water replenishment interval, making it highly practical.

[0045] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A spray uniformity testing device for plant protection machinery nozzles, comprising a testing platform assembly (1), characterized in that: A connecting component (2) is provided at the top center of the detection platform assembly (1), a driving component (3) is provided at the top of the connecting component (2), a detection component (4) is provided on the outside of the driving component (3), and a spraying component (5) is provided on the side of the detection platform assembly (1). The testing station assembly (1) includes a funnel-shaped platform (103), and a barrier (105) is fixedly connected to the top of the funnel-shaped platform (103) near the edge. The connecting component (2) includes a connecting post (201), which is fixedly connected to the center of the top of the funnel-shaped platform (103). A platform (203) is fixedly connected to the top of the connecting post (201). A rack (205) is provided at the top edge of the platform (203) near the front and left sides. A ratchet plate (204) is fixedly connected to the top of the platform (203) near the inner side of the rack (205). The drive component (3) includes a servo motor (301); The number of detection components (4) is set to four, and each detection component (4) includes a detection tray (402), and a matrix gravity sensor (401) is installed at the bottom of the detection tray (402). The spraying assembly (5) includes a mounting shell (501), which is fixedly connected to the right side of the outer surface of the enclosure (105). A mounting plate (503) extending to the left is slidably connected to the left side of the mounting shell (501). A mechanical plant protection nozzle (504) is installed at the bottom of the mounting plate (503) near the left side. A motor base (202) is fixedly connected to the inner wall of the connecting column (201) near the bottom. The servo motor (301) is fixedly installed on the top of the motor base (202). A square rotating block (302) is fixedly connected to the output end of the servo motor (301). The square rotating block (302) is rotatably connected to the top center of the platform (203). Sliding grooves (303) are provided on all four sides of the square rotating block (302). Sliding grooves (303) are slidably connected between the inner walls of the sliding grooves (303). A spring (306) is fixedly connected between the top of the slider (304) and the inner top of the groove (303). A connecting arm (305) is fixedly connected to the outer surface of the slider (304) away from the square rotating block (302). A wedge block (307) is fixedly connected to the outer surface of the connecting arm (305). A gear (310) is rotatably connected to the outer surface of the wedge block (307) through a plane bearing. A connecting rod (311) is fixedly connected to the outer surface of the gear (310). A support frame (101) is fixedly installed at the bottom of the funnel-shaped platform (103). A controller (102) is installed between the inner walls of the support frame (101) near the left side. A water storage tank (108) is fixedly connected to the top of the support frame (101) near the right side. The outer surfaces of the four detection trays (402) are symmetrically fixed with connecting sleeves (405) and stabilizing plates (404). The four connecting sleeves (405) are fixedly connected to the connecting rods (311) by bolts. The top of the detection tray (402) is conical. The top of the matrix gravity sensor (401) is equidistantly provided with weighing cups (406). The top of the detection tray (402) is provided with multiple clearance holes (403) equidistantly. The clearance holes (403) and the weighing cups (406) are positioned corresponding to each other. The wedge block (307) and the ratchet plate (204) cooperate with each other. The bottom of the wedge block (307) is provided with a mounting groove (308). The inner wall of the mounting groove (308) is rotatably connected to a rotating rod (309) through a rotating shaft. The gear (310) and the rack (205) cooperate with each other. The inner wall of the weighing cup (406) is provided with a scale (407). The outer surface of the enclosure (105) is fixedly connected to a connecting frame (110) near the rear side. The inner top of the connecting frame (110) is fixedly installed with a first industrial camera (111) and a second industrial camera (112). The first industrial camera (111) is set at an angle.

2. The spray uniformity detection device for plant protection machinery nozzles according to claim 1, characterized in that: An electric actuator (502) is installed at the bottom of the mounting housing (501). The telescopic end of the electric actuator (502) is connected to the bottom of the mounting plate (503). A flow valve (505) is installed at the top of the mounting plate (503). The outlet end of the flow valve (505) is connected to the inlet end of the mechanical plant protection nozzle (504) through a water pipe. A water pump (506) is installed at the top of the mounting housing (501). The output end of the water pump (506) is connected to the inlet end of the flow valve (505) through a water pipe. A downward-extending water suction pipe (507) is installed at the input end of the water pump (506). The bottom end of the water suction pipe (507) extends into the water storage tank (108).

3. The spray uniformity detection device for plant protection machinery nozzles according to claim 1, characterized in that: The top of the enclosure (105) is movably connected with a plurality of ball bearings (106), the outer surface of which is in contact with the bottom of the stabilizing plate (404).

4. The spray uniformity detection device for plant protection machinery nozzles according to claim 1, characterized in that: Two clearance grooves (107) are provided on the outer surface of the enclosure (105). The two clearance grooves (107) and the two racks (205) are positioned opposite each other, and the enclosure (105) and the ball (106) are not in the same position. The controller (102) is electrically connected to the first industrial camera (111), the second industrial camera (112), the servo motor (301), the matrix gravity sensor (401), the electric actuator (502), the flow valve (505) and the water pump (506) through the circuit.

5. The spray uniformity detection device for plant protection machinery nozzles according to claim 1, characterized in that: The bottom of the funnel-shaped platform (103) is fixedly connected to a drain outlet (104) near the right side, and the drain outlet (104) is located above the water storage tank (108).

6. The spray uniformity detection device for plant protection machinery nozzles according to claim 2, characterized in that: A filter plate (109) is inserted between the inner walls of the front and rear sides of the water storage tank (108). The filter plate (109) is located to the right of the drain outlet (104), and the bottom end of the water pumping pipe (507) is located to the right of the filter plate (109).

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