A spraying uniformity testing platform for orchard weeding sprayers

Abstract

The present invention belongs to the field of agricultural technology, specifically, a spraying uniformity test platform for an orchard weeding sprayer, including a base and water-sensitive paper, both sides of the upper end surface of the base are fixedly connected with support plates, the upper end of the support plate is fixedly connected with a test bench, and the test bench is also provided with a traction unwinding mechanism for laying the water-sensitive paper on the surface of the test bench. The present invention lays the water-sensitive paper on the test bench through the traction unwinding mechanism, and places the orchard weeding sprayer to be tested for spraying uniformity next to the test bench. The orchard weeding sprayer can spray the liquid medicine onto the surface of the laid water-sensitive paper. When the liquid medicine mist drops onto the paper surface, the water-sensitive paper will show obvious blue spots. By observing the number and distribution of the blue spots, the performance of the sprayer can be intuitively evaluated, and the entire test process can be performed outdoors, avoiding the inaccurate test results caused by natural conditions such as wind and rain.

Description

Technical Field

[0001] The invention belongs to the technical field of agriculture, in particular to a spraying uniformity testing platform for an orchard weeding sprayer. Background Art

[0002] Orchard weeding sprayer is an agricultural machinery designed specifically for orchards. It is mainly used for spraying pesticides to weed and prevent pests and diseases. It can also be used for other agricultural operations such as spraying liquid fertilizers and irrigation. The spraying uniformity directly affects the control effect of pesticides or other liquids. If the spraying is uneven, it may cause excessive pesticides in some areas, causing waste and environmental pollution. The spraying uniformity test can help evaluate the performance of the orchard weeding sprayer, ensure that the pesticide is evenly distributed in the orchard, and improve the control effect.

[0003] The patent with the announcement number CN202794133U discloses a spraying uniformity test platform for a sprayer, including: a column, a liquid collection net, a grid frame, a collection tank, a drainage tube and a measuring cylinder, wherein at least one grid frame is fixed on the column, the liquid collection net is sleeved on the grid frame and fixed on the column, the collection tank is fixedly connected to the column below the liquid collection net, and the lower edge of the liquid collection net is in the collection tank, one end of the drainage tube is connected to the collection tank, and the other end is inserted into the measuring cylinder, and the measuring cylinder is located at the bottom of the column. This patent can be used to test and evaluate the degree of pesticide drift and pesticide deposition very well, and effectively control the amount and uniformity of pesticide spraying.

[0004] However, the above technical solution still has the following deficiencies in practical application:

[0005] By determining the number of grid frames according to the test scenario, and then putting on the liquid collection net, the sprayer simulates the spraying operation, and the liquid collection net captures the droplets in the air to achieve uniformity testing. However, the entire test process needs to be carried out in an outdoor environment, such as farmland and orchards. When testing in an outdoor environment, the liquid sprayed by the sprayer is easily affected by natural conditions such as wind and rain, which can lead to inaccurate test results and affect test efficiency. In addition, usually, in order to ensure the accuracy of the test results, multiple tests are required. During outdoor testing, the liquid may remain on the ground, vegetation or other objects, resulting in accumulation of residual liquid, causing potential pollution to the environment and ecosystem.

[0006] To this end, the present invention provides a spraying uniformity testing platform for an orchard weeding sprayer. Summary of the invention

[0007] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the present invention proposes a spraying uniformity testing platform for an orchard weeding sprayer.

[0008] The technical solution adopted by the present invention to solve the technical problem is: a spraying uniformity test platform for an orchard weeding sprayer, comprising a base and water-sensitive paper, wherein both sides of the upper end surface of the base are fixedly connected with support plates, the upper end of the support plate is fixedly connected with a test bench, and the test bench is also provided with a traction unwinding mechanism for laying the water-sensitive paper on the surface of the test bench;

[0009] The traction unwinding mechanism comprises a rotating roller rotatably arranged on one side of the right end of the storage platform, the water-sensitive paper is rolled and arranged on the rotating roller, the water-sensitive paper can pass through the through hole on the right side of the storage platform, a rack rod is slidably connected to one side of the right end of the storage platform, a displacement plate is fixedly connected to the left end of the rack rod, both sides of the displacement plate are slidably connected to a slide bar seven, and the lower end of the slide bar seven is fixedly connected to a pressure plate;

[0010] The left support plate is also provided with a limited bearing mechanism for centrally placing the used water-sensitive paper;

[0011] The position-limiting bearing mechanism comprises a storage platform slidably connected to one side of the left support plate, and two position-limiting plates are symmetrically distributed and fixedly connected to the left side of the upper end surface of the storage platform.

[0012] Preferably, a motor seven is fixedly connected to one side of the right end of the test bench, and an output end of the motor seven is fixedly connected to one end of the rotating roller.

[0013] Preferably, a gear is rotatably provided on one side of the right end of the test bench, and the gear is meshed with a tooth block on the rack rod, and a motor eight is fixedly connected to one side of the right end of the test bench, and the output end of the motor eight is fixedly connected to the gear, and an electric push rod three is fixedly connected to one side of the upper end surface of the displacement plate, and the piston end of the electric push rod three is fixedly connected to one side of the upper end surface of the pressure plate.

[0014] Preferably, one end of the storage table is threadedly connected to a threaded rod five, both ends of the threaded rod five are rotatably arranged on the support plate, and a motor nine is fixedly connected to one side of the left support plate, and the output end of the motor nine is fixedly connected to one end of the threaded rod five.

[0015] Preferably, a slide plate one is fixedly connected to one side of the rear end face of the test bench, a slide plate four is slidably connected to the inner side of the slide plate one, a blade plate is slidably connected to the inner side of the slide plate four, threaded rod three is rotatably provided at both ends of the slide plate one, a motor five is fixedly connected to one end of the slide plate one, an output end of the motor five is fixedly connected to one end of the threaded rod three, a threaded rod four is threadedly connected to one end of the blade plate, both ends of the threaded rod four are rotatably provided on the slide plate four, a motor six is ​​fixedly connected to one side of the upper end face of the slide plate four, and an output end of the motor six is ​​fixedly connected to one end of the threaded rod four.

[0016] Preferably, both sides of one end of the test bench are fixedly connected with sliding rods three, the sliding rod three is slidably connected with an adjustment plate, two sliding rods four are slidably connected on the adjustment plate, one end of the sliding rod four is fixedly connected with a slide plate three, both sides of the inner cavity of the slide plate three are slidably connected with threaded blocks two, one side of the threaded block two is slidably connected with sliding rods five and sliding rods six, the ends of the sliding rods five and six are fixedly connected with connecting block two, and one end of the connecting block two is fixedly connected with pressure roller two.

[0017] Preferably, one side of the adjustment plate is threadedly connected to a threaded rod 2, the upper end of the threaded rod 2 is rotatably set on the test bench, both sides of one end of the test bench are fixedly connected to a motor 3, the output end of the motor 3 is fixedly connected to one end of the threaded rod 2, one side of the adjustment plate is fixedly connected to an electric push rod 2, and the piston end of the electric push rod 2 is fixedly connected to one side of the slide plate 3.

[0018] Preferably, one end of the threaded block 2 is threadedly connected to a bidirectional threaded rod 2, both ends of the bidirectional threaded rod 2 are rotatably set on a slide plate 3, one side of the upper end of the slide plate 3 is fixedly connected to a motor 4, the output end of the motor 4 is fixedly connected to one end of the bidirectional threaded rod 2, and one side of the slide rod 5 is sleeved with a spring 2, one end of the spring 2 is fixedly connected to the threaded block 2, and the other end is fixedly connected to the connecting block 2.

[0019] Preferably, one side of the limit plate is slidably connected to a lifting plate, and one side of the lifting plate is slidably connected to two sliding rods 2, one end of the sliding rod 2 is fixedly connected to a sliding groove plate 2, both sides of the inner cavity of the sliding groove plate 2 are slidably connected to a threaded block 1, a sliding rod 1 and a sliding rod 8 are slidably connected to the threaded block 1, the ends of the sliding rod 1 and the sliding rod 8 are fixedly connected to a connecting block 1, one end of the connecting block 1 is rotatably provided with a pressing roller 1, one side of the lifting plate is threadedly connected to a threaded rod 1, both ends of the threaded rod 1 are rotatably set on the limit plate, one side of the upper end of the limit plate is fixedly connected to a motor 1, and the output end of the motor 1 is connected to One end of the threaded rod is fixedly connected, one side of the lifting plate is fixedly connected with an electric push rod, the piston end of the electric push rod is fixedly connected to one side of the slide plate two, one side of the threaded block is threadedly connected with a two-way threaded rod, both ends of the two-way threaded rod are rotatably set on the slide plate two, one end of the slide plate two is fixedly connected with a motor two, the output end of the motor two is fixedly connected to one end of the two-way threaded rod, one side of the slide rod is sleeved with a spring, one end of the spring is fixedly connected to the threaded block one, and the other end is fixedly connected to one end of the slide rod, the pressure roller one and the connecting block one can pass through the groove of the limit plate.

[0020] Preferably, a fastening rod is rotatably provided on one side of the pressure plate, a motor ten is fixedly connected to one side of the pressure plate, and an output end of the motor ten is fixedly connected to one end of the fastening rod.

[0021] The beneficial effects of the present invention are as follows:

[0022] 1. The present invention discloses a spraying uniformity test platform for an orchard weeding sprayer. By pulling and unwinding the mechanism, water-sensitive paper is laid on the test bench, and the orchard weeding sprayer to be tested for spraying uniformity is placed next to the test bench. The orchard weeding sprayer can spray liquid medicine onto the surface of the laid water-sensitive paper. When the liquid medicine droplets fall onto the paper surface, the water-sensitive paper will show obvious blue spots. By observing the number and distribution of the blue spots, the performance of the sprayer can be intuitively evaluated. Moreover, the entire test process can be carried out outdoors, thereby avoiding inaccurate test results due to natural conditions such as wind and rain, and avoiding potential pollution to the environment and ecosystem due to liquid medicine remaining on the ground, vegetation or other objects. Moreover, when the water-sensitive paper is unrolled, the end of the water-sensitive paper can be pressed by driving the pressure plate, and the rack rod and the displacement plate can be driven to move simultaneously. The pressure plate can be used to pull the water-sensitive paper to prevent curling when the water-sensitive paper is unrolled, thereby ensuring the normal unrolling of the water-sensitive paper.

[0023] 2. The orchard weeding sprayer spraying uniformity test platform described in the present invention utilizes a limiting bearing mechanism. When the number of blue spots on the water-sensitive paper reaches a certain number, the water-sensitive paper laid on the test table can be automatically replaced by cutting the water-sensitive paper, thereby avoiding the situation where the number of blue spots on the surface of the water-sensitive paper reaches a certain number but the spraying continues, resulting in multiple blue spots overlapping or connecting together, making it difficult to visually distinguish the shape, size and distribution of a single spot, thereby affecting the test results. In addition, since the angle of the water-sensitive paper placed on the storage table can be fitted with the inner angle of the two limiting plates, the water-sensitive paper can be automatically replaced by cutting the water-sensitive paper. The water-sensitive paper is limited in position, and multiple sheets of water-sensitive paper are stacked, which ensures the neatness of the multiple sheets of water-sensitive paper, is conducive to the subsequent staff to observe and compare the blue spots on each water-sensitive paper, and is conducive to further improving the test efficiency. In addition, when the cut water-sensitive paper is about to leave the test bench and is placed on top of the previous water-sensitive paper, its four corners can be smoothed by pressing rollers 1 and 2, and then stacked. This can avoid the cut water-sensitive paper falling on the upper surface of the previous water-sensitive paper, resulting in the four corners of the water-sensitive paper being folded due to falling, thereby causing wrinkles in the water-sensitive paper, which in turn affects the subsequent observation of the water-sensitive paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0026] Figure 2 yes Figure 1 A partial enlarged view of the middle part;

[0027] Figure 3 It is a schematic diagram of the three-dimensional structure at the limiting plate;

[0028] Figure 4 yes Figure 3 A partial enlarged view of point B in the middle;

[0029] Figure 5 It is a schematic diagram of a three-dimensional structure of a slide plate;

[0030] Figure 6 It is a schematic diagram of the three-dimensional structure of the slide plate;

[0031] Figure 7 It is a schematic diagram of the three-dimensional structure at the adjustment plate;

[0032] Figure 8 It is a schematic diagram of the three-dimensional structure of the rotating roller;

[0033] Fig. 9 It is a schematic diagram of the three-dimensional structure of the pressure plate;

[0034] Fig.10 It is a schematic diagram of the three-dimensional structure at the storage platform;

[0035] Fig.11 It is a schematic diagram of the three-dimensional structure from another viewing angle of the present invention.

[0036] In the figure: 1. base; 2. storage table; 3. support plate; 4. test table; 5. water-sensitive paper; 6. slide plate 1; 7. limit plate; 8. pressure roller 1; 9. connection block 1; 10. slide plate 2; 11. threaded block 1; 12. two-way threaded rod 1; 13. slide bar 1; 14. slide bar 2; 15. spring 1; 16. threaded rod 1; 17. motor 1; 18. lifting plate; 19. electric push rod 1; 20. motor 2; 21. adjustment plate; 22. motor 3; 23. slide bar 3; 24. threaded rod 2; 25. electric push rod 2; 26. slide bar 4; 27. slide plate 3; 28. motor four; 29. ​​Two-way threaded rod two; 30. Pressure roller two; 31. Slide rod five; 32. Slide rod six; 33. Spring two; 34. Connecting block two; 35. Motor five; 36. Threaded rod three; 37. Blade plate; 38. Slide plate four; 39. Motor six; 40. Threaded rod four; 41. Rotating roller; 42. Motor seven; 43. Gear; 44. Motor eight; 45. Rack rod; 46. Threaded rod five; 47. Motor nine; 48. Displacement plate; 49. Pressure plate; 50. Fastening rod; 51. Motor ten; 52. Slide rod seven; 53. Electric push rod three; 54. Threaded block two; 55. Slide rod eight. DETAILED DESCRIPTION

[0037] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] Please refer to Figure 1-Figure 11 The present invention provides a technical solution: a spraying uniformity test platform for an orchard weeding sprayer, comprising a base 1 and a water-sensitive paper 5, wherein both sides of the upper end surface of the base 1 are fixedly connected with a support plate 3, and the upper end of the support plate 3 is fixedly connected with a test table 4, and the test table 4 is also provided with a traction unwinding mechanism for laying the water-sensitive paper 5 on the upper surface of the test table 4;

[0039] The traction unwinding mechanism includes a rotating roller 41 rotatably arranged on one side of the right end of the storage platform 2, the water-sensitive paper 5 is rolled and arranged on the rotating roller 41, and the water-sensitive paper 5 can pass through the through hole on the right side of the storage platform 2. A rack rod 45 is slidably connected to one side of the right end of the storage platform 2, and a displacement plate 48 is fixedly connected to the left end of the rack rod 45. Both sides of the displacement plate 48 are slidably connected to a sliding rod 7 52, and the lower end of the sliding rod 7 52 is fixedly connected to a pressing plate 49;

[0040] The left support plate 3 is also provided with a limited bearing mechanism for centrally placing the used water-sensitive paper 5;

[0041] The limited bearing mechanism comprises a storage platform 2 slidably connected to one side of a left support plate 3 , and two limited plates 7 are symmetrically distributed and fixedly connected to the left side of the upper end surface of the storage platform 2 .

[0042] In this embodiment, Figure 1 , Figure 8-Figure 9 As shown, a motor 7 42 is fixedly connected to one side of the right end of the test bench 4, and an output end of the motor 7 42 is fixedly connected to one end of the rotating roller 41.

[0043] A gear 43 is rotatably provided on one side of the right end of the test bench 4, and the gear 43 is meshed with the tooth block on the rack rod 45. A motor 8 44 is fixedly connected to one side of the right end of the test bench 4, and the output end of the motor 8 44 is fixedly connected to the gear 43. An electric push rod 3 53 is fixedly connected to one side of the upper end surface of the displacement plate 48, and the piston end of the electric push rod 3 53 is fixedly connected to one side of the upper end surface of the pressure plate 49.

[0044] Specifically, during the test process, the existing spray uniformity test platform for pesticide spraying determines the number of grid frames according to the test scenario, and then puts on a liquid collection net. The pesticide sprayer simulates the spraying operation, and the liquid collection net captures the droplets in the air to achieve uniformity testing. However, the entire test process needs to be carried out in an outdoor environment, such as a farmland or orchard. When testing in an outdoor environment, the pesticide liquid sprayed by the pesticide sprayer is easily affected by natural conditions such as wind and rain, resulting in inaccurate test results and affecting test efficiency. In addition, in order to ensure the accuracy of the test results, multiple tests are usually required. During outdoor testing, the pesticide liquid may remain on the ground, vegetation or other objects, resulting in accumulation of pesticide residues, causing potential pollution to the environment and ecosystem.

[0045] Therefore, in order to solve the above problems, when the present embodiment is used, the orchard weeding sprayer to be tested for spraying uniformity is placed next to the test bench 4, and the motor 7 42 is used to drive the rotating roller 41 to rotate, and the rotating roller 41 unwinds the water-sensitive paper 5 wound on its surface, so that the water-sensitive paper 5 is laid on the test bench 4, and when the water-sensitive paper 5 is unrolled, the electric push rod 3 53 can be used to drive the pressing plate 49 to descend, and the pressing plate 49 can be used to press the end of the water-sensitive paper 5, and the motor 8 44 can be used to drive the gear 43 to rotate, so that the rack rod 45 and the displacement plate 48 move at the same time, and the pressing plate 49 can be used to pull the water-sensitive paper 5 to prevent the water-sensitive paper 5 from unwinding. When the water-sensitive paper 5 is rolled up, the edge curling occurs, which ensures the normal unwinding of the water-sensitive paper 5. After the water-sensitive paper 5 is laid on the test bench 4, the orchard weeding sprayer can spray the liquid medicine onto the surface of the laid water-sensitive paper 5. When the liquid medicine droplets fall on the paper surface, the water-sensitive paper 5 will show obvious blue spots. By observing the number and distribution of the blue spots, the performance of the sprayer can be intuitively evaluated, and the entire test process can be carried out outdoors, avoiding inaccurate test results due to natural conditions such as wind and rain, and avoiding potential pollution to the environment and ecosystem due to liquid medicine remaining on the ground, vegetation or other objects.

[0046] In this embodiment, Figure 1-Figure 7 , Figure 9-11 As shown, one end of the storage table 2 is threadedly connected to a threaded rod 5 46, both ends of the threaded rod 5 46 are rotatably set on the support plate 3, and one side of the left support plate 3 is fixedly connected to a motor 9 47, and the output end of the motor 9 47 is fixedly connected to one end of the threaded rod 5 46.

[0047] A slide plate 6 is fixedly connected to one side of the rear end face of the test bench 4, a slide plate 4 38 is slidably connected to the inner side of the slide plate 6, a blade plate 37 is slidably connected to the inner side of the slide plate 4 38, threaded rods 36 are rotatably provided at both ends of the slide plate 6, a motor 5 35 is fixedly connected to one end of the slide plate 6, the output end of the motor 5 35 is fixedly connected to one end of the threaded rod 36, a threaded rod 40 is threadedly connected to one end of the blade plate 37, both ends of the threaded rod 40 are rotatably provided on the slide plate 4 38, a motor 6 39 is fixedly connected to one side of the upper end face of the slide plate 4 38, and the output end of the motor 6 39 is fixedly connected to one end of the threaded rod 40.

[0048] Slide rod three 23 is fixedly connected to both sides of one end of the test bench 4, and the slide rod three 23 is slidably connected to the adjustment plate 21. Two slide rods four 26 are slidably connected to the adjustment plate 21, and one end of the slide rod four 26 is fixedly connected to the slide groove plate three 27, and both sides of the inner cavity of the slide groove plate three 27 are slidably connected to the threaded block two 54, and one side of the threaded block two 54 is slidably connected to the slide rod five 31 and the slide rod six 32, and the ends of the slide rod five 31 and the slide rod six 32 are fixedly connected to the connecting block two 34, and one end of the connecting block two 34 is fixedly connected to the pressure roller two 30.

[0049] A threaded rod 24 is threadedly connected to one side of the adjustment plate 21, and the upper end of the threaded rod 24 is rotatably set on the test bench 4. Motor 3 22 is fixedly connected to both sides of one end of the test bench 4, and the output end of motor 3 22 is fixedly connected to one end of the threaded rod 24. An electric push rod 25 is fixedly connected to one side of the adjustment plate 21, and the piston end of the electric push rod 25 is fixedly connected to one side of the slide plate 3 27.

[0050] One end of the threaded block 2 54 is threadedly connected to the bidirectional threaded rod 29, both ends of the bidirectional threaded rod 29 are rotatably set on the slide plate 3 27, one side of the upper end of the slide plate 3 27 is fixedly connected to the motor 4 28, the output end of the motor 4 28 is fixedly connected to one end of the bidirectional threaded rod 29, and one side of the slide rod 5 31 is sleeved with a spring 2 33, one end of the spring 2 33 is fixedly connected to the threaded block 2 54, and the other end is fixedly connected to the connecting block 2 34.

[0051] A lifting plate 18 is slidably connected to one side of the limit plate 7, and two sliding rods 14 are slidably connected to one side of the lifting plate 18, and one end of the sliding rod 14 is fixedly connected to a chute plate 10, and both sides of the inner cavity of the chute plate 10 are slidably connected to a threaded block 11, and a sliding rod 13 and a sliding rod 855 are slidably connected to the threaded block 11. The ends of the sliding rod 13 and the sliding rod 855 are fixedly connected to a connecting block 9, and a pressure roller 8 is rotatably set at one end of the connecting block 9. A threaded rod 16 is threadedly connected to one side of the lifting plate 18, and both ends of the threaded rod 16 are rotatably set on the limit plate 7. A motor 17 is fixedly connected to one side of the upper end of the limit plate 7, and the output end of the motor 17 is connected to the threaded rod One end of the lifting plate 18 is fixedly connected, one side of the lifting plate 18 is fixedly connected with an electric push rod 19, the piston end of the electric push rod 19 is fixedly connected to one side of the slide plate 2 10, one side of the threaded block 11 is threadedly connected with a two-way threaded rod 12, both ends of the two-way threaded rod 12 are rotatably set on the slide plate 2 10, one end of the slide plate 2 10 is fixedly connected with a motor 20, the output end of the motor 20 is fixedly connected to one end of the two-way threaded rod 12, one side of the slide rod 13 is sleeved with a spring 15, one end of the spring 15 is fixedly connected to the threaded block 11, and the other end is fixedly connected to one end of the slide rod 13, the pressure roller 8 and the connecting block 9 can pass through the groove of the limiting plate 7.

[0052] A fastening rod 50 is rotatably provided on one side of the pressing plate 49 , and a motor 51 is fixedly connected to one side of the pressing plate 49 , and an output end of the motor 51 is fixedly connected to one end of the fastening rod 50 .

[0053] Specifically, in the above embodiment, although the performance of the sprayer can be evaluated by observing the blue spots on the water-sensitive paper 5, in order to improve the accuracy of the test results, the sprayer needs to spray multiple times. When the number of blue spots on the surface of the water-sensitive paper 5 laid on the test table 4 reaches a certain number, if spraying continues, multiple blue spots will overlap or connect together to form a continuous large blue area, making it difficult to visually distinguish the shape, size and distribution of a single spot, thereby covering up the actual spraying situation and affecting the test results. Therefore, in order to solve this problem, when the water When the number of blue spots on the water-sensitive paper 5 reaches a certain level, the sprayer stops spraying the liquid medicine, and the rotating roller 41 continues to unwind the water-sensitive paper 5. At the same time, the pressing plate 49 continues to press the end of the water-sensitive paper 5 and pulls its end. When the edge of the water-sensitive paper 5 leaves the test bench 4, the motor 10 51 drives the fastening rod 50 to rotate, so that the edge of the water-sensitive paper 5 can be pressed against the bottom of the pressing plate 49. At this time, the water-sensitive paper 5 can be moved to the top of the storage table 2 through the joint traction of the pressing plate 49 and the fastening rod 50, and the motor 5 35 drives the threaded rod 3 36 to rotate, so that the slide plate 4 38 slides, so that the knife The blade plate 37 is above the water-sensitive paper 5, and then the motor 6 39 is used to drive the threaded rod 40 to rotate, so that the blade plate 37 descends and the water-sensitive paper 5 is cut off, and the cut water-sensitive paper 5 can be placed on the storage table 2, and then the above operation is repeated. Each time the sprayer completes a spraying, the corresponding water-sensitive paper 5 can be placed on the storage table 2, and each time a water-sensitive paper 5 is placed on the storage table 2, the motor 9 47 will drive the threaded rod 5 46 to rotate, so that the storage table 2 descends, and multiple water-sensitive papers 5 can be stacked, thereby realizing the automatic replacement of the water-sensitive paper 5 laid on the test table 4, avoiding Because the number of blue spots on the surface of the water-sensitive paper 5 reaches a certain amount, but spraying continues, resulting in multiple blue spots overlapping or connecting together, making it difficult to visually distinguish the shape, size and distribution of a single spot, thereby affecting the test results. In addition, since the angle of the water-sensitive paper 5 placed on the storage table 2 can be fitted with the inner angles of the two limiting plates 7, the water-sensitive paper 5 can be limited, and multiple water-sensitive papers 5 are stacked, ensuring the neatness of the multiple water-sensitive papers 5, which is conducive to subsequent staff to observe and compare the blue spots on each water-sensitive paper 5, which is conducive to further improving the test efficiency;

[0054] Furthermore, since the water-sensitive paper 5 will fall on the upper surface of the previous water-sensitive paper 5 when it is placed on the storage table 2, and since the water-sensitive paper 5 is relatively light, when the cut water-sensitive paper 5 falls on the upper surface of the previous water-sensitive paper 5, the four corners of the water-sensitive paper 5 may be folded due to the drooping, thereby causing wrinkles on the water-sensitive paper 5, affecting subsequent observation of the water-sensitive paper 5. Therefore, in order to avoid this situation, when the cut water-sensitive paper 5 is about to leave the test table 4, the electric push rod 25 can be used to drive the slide plate 3 27 close to the edge of the water-sensitive paper 5 until it is The edge of the water-sensitive paper 5 is between the two pressure rollers 2 30, and the motor 4 28 drives the bidirectional threaded rod 29 to rotate, so that the two pressure rollers 2 30 are close to each other, clamping the water-sensitive paper 5, and then the motor 3 22 drives the threaded rod 24 to rotate, so that the two pressure rollers 2 30 are lowered at the same time, so that the edge of the water-sensitive paper 5 can be lowered. When the edge of the water-sensitive paper 5 is close to the edge of the lower layer of water-sensitive paper 5, the pressure plate 49 and the fastening rod 50 are continued to pull the water-sensitive paper 5, so that the two right corners of the water-sensitive paper 5 pass through the pressure roller 2 30, and then pass through the pressure roller. The two right corners of the water-sensitive paper 5 are smoothed by the two 230, and the two corners of the flattened water-sensitive paper 5 will overlap with the two corners of the water-sensitive paper 5 on the lower layer. Then, according to the positions of the two left corners of the water-sensitive paper 5, the threaded rod 16 is driven to rotate by the motor 17 to lift the lifting plate 18, and the slide plate 10 is driven to move horizontally by the electric push rod 19 to make the pressure roller 18 pass through the groove on one side of the limit plate 7, so that the two left corners of the water-sensitive paper 5 are between the two pressure rollers 8, and then the two-way threaded rod 12 is driven to rotate by the motor 20 to make the two threaded blocks 11 By bringing the two pressure rollers 8 closer to each other, the two left corners of the water-sensitive paper 5 can be clamped by using the two pressure rollers 8, and then the pressure roller 8 is driven to move to the left and away from the water-sensitive paper 5 to smooth the two left corners of the water-sensitive paper 5. Then the tightening rod 50 loosens the water-sensitive paper 5, and the two left corners of the water-sensitive paper 5 will overlap with the two left corners of the water-sensitive paper 5 on the lower side. This can prevent the cut water-sensitive paper 5 from falling on the upper surface of the previous water-sensitive paper 5, causing the four corners of the water-sensitive paper 5 to fold due to falling, thereby causing wrinkles on the water-sensitive paper 5, affecting the subsequent observation of the water-sensitive paper 5.

[0055] Working principle: the orchard weeding sprayer to be tested for spraying uniformity is placed next to the test bench 4, and the motor 7 42 is used to drive the rotating roller 41 to rotate. The rotating roller 41 unwinds the water-sensitive paper 5 wrapped on its surface, so that the water-sensitive paper 5 is laid on the test bench 4. Moreover, when the water-sensitive paper 5 is unrolled, the electric push rod 3 53 can be used to drive the pressure plate 49 to descend, and the pressure plate 49 is used to press the end of the water-sensitive paper 5. The gear 43 is driven to rotate by the motor 8 44 to move the rack rod 45 and the displacement plate 48 at the same time, and the pressure plate 49 can be used to pull the water-sensitive paper 5 to prevent the water-sensitive paper 5 from curling when it is unrolled, thereby ensuring the normal unwinding of the water-sensitive paper 5. When the water-sensitive paper 5 is laid on the test bench 4, the orchard weeding sprayer can spray the liquid medicine to the water-sensitive paper 5 that has been unrolled. The surface of the laid water-sensitive paper 5 will show obvious blue spots when the liquid medicine drops onto the paper. By observing the number and distribution of the blue spots, the performance of the sprayer can be intuitively evaluated. The entire test process can be carried out outdoors, avoiding inaccurate test results due to natural conditions such as wind and rain, and avoiding potential pollution to the environment and ecosystem due to liquid medicine remaining on the ground, vegetation or other objects. When the number of blue spots on the water-sensitive paper 5 reaches a certain level, the sprayer stops spraying liquid medicine, and the rotating roller 41 continues to unwind the water-sensitive paper 5. At the same time, the pressing plate 49 continues to press the end of the water-sensitive paper 5 and pulls its end. When the edge of the water-sensitive paper 5 leaves the test bench 4, the motor 10 51 drives the fastening rod 50 to rotate, so that the edge of the water-sensitive paper 5 can be pressed against the bottom of the pressure plate 49. At this time, the water-sensitive paper 5 can be moved to the top of the storage table 2 through the joint traction of the pressure plate 49 and the fastening rod 50, and the motor five 35 drives the threaded rod three 36 to rotate, so that the slide plate four 38 slides, so that the blade plate 37 is above the water-sensitive paper 5, and then the motor six 39 drives the threaded rod four 40 to rotate, so that the blade plate 37 descends, and the water-sensitive paper 5 is cut off, so that the cut water-sensitive paper 5 can be placed on the storage table 2, and then the above operation is repeated. Each time the sprayer completes a spraying, the corresponding water-sensitive paper 5 can be placed on the storage table 2, and each time a piece of water-sensitive paper 5 is placed on the storage table 2, the motor nine 47 will drive the threaded rod five 46 rotates to lower the storage table 2, so that multiple water-sensitive papers 5 can be stacked, thereby realizing automatic replacement of the water-sensitive papers 5 laid on the test table 4, avoiding the situation that when the blue spots on the surface of the water-sensitive paper 5 reach a certain number, the spraying continues, resulting in multiple blue spots overlapping or connecting together, making it difficult to visually distinguish the shape, size and distribution of a single spot, thereby affecting the test results. In addition, since the angle of the water-sensitive paper 5 placed on the storage table 2 can be fitted with the inner angles of the two limiting plates 7, the water-sensitive paper 5 can be limited, and the multiple water-sensitive papers 5 are in a stacked state, the neatness of the multiple water-sensitive papers 5 is ensured, which is conducive to the subsequent staff to observe and compare the blue spots on each water-sensitive paper 5, and is conducive to further improving the test efficiency;Furthermore, since the water-sensitive paper 5 will fall on the upper surface of the previous water-sensitive paper 5 when it is placed on the storage table 2, and since the water-sensitive paper 5 is relatively light, when the cut water-sensitive paper 5 falls on the upper surface of the previous water-sensitive paper 5, the four corners of the water-sensitive paper 5 may be folded due to the drooping, thereby causing wrinkles on the water-sensitive paper 5, affecting subsequent observation of the water-sensitive paper 5. Therefore, in order to avoid this situation, when the cut water-sensitive paper 5 is about to leave the test table 4, the electric push rod 25 can be used to drive the slide plate 3 27 close to the edge of the water-sensitive paper 5 until it is The edge of the water-sensitive paper 5 is between the two pressure rollers 2 30, and the motor 4 28 drives the bidirectional threaded rod 29 to rotate, so that the two pressure rollers 2 30 are close to each other, clamping the water-sensitive paper 5, and then the motor 3 22 drives the threaded rod 24 to rotate, so that the two pressure rollers 2 30 are lowered at the same time, so that the edge of the water-sensitive paper 5 can be lowered. When the edge of the water-sensitive paper 5 is close to the edge of the lower layer of water-sensitive paper 5, the pressure plate 49 and the fastening rod 50 are continued to pull the water-sensitive paper 5, so that the two right corners of the water-sensitive paper 5 pass through the pressure roller 2 30, and then pass through the pressure roller. The two right corners of the water-sensitive paper 5 are smoothed by the two 230, and the two corners of the flattened water-sensitive paper 5 will overlap with the two corners of the water-sensitive paper 5 on the lower layer. Then, according to the positions of the two left corners of the water-sensitive paper 5, the threaded rod 16 is driven to rotate by the motor 17 to lift the lifting plate 18, and the slide plate 10 is driven to move horizontally by the electric push rod 19 to make the pressure roller 18 pass through the groove on one side of the limit plate 7, so that the two left corners of the water-sensitive paper 5 are between the two pressure rollers 8, and then the two-way threaded rod 12 is driven to rotate by the motor 20 to make the two threaded blocks 11 When the two rollers 8 are close to each other, the two left corners of the water-sensitive paper 5 can be clamped by the two pressure rollers 8, and then the pressure rollers 8 are driven to move to the left and away from the water-sensitive paper 5, so that the two left corners of the water-sensitive paper 5 can be smoothed, and then the tightening rod 50 loosens the water-sensitive paper 5, and the two left corners of the water-sensitive paper 5 will overlap with the two left corners of the water-sensitive paper 5 on the lower side, so that when the cut water-sensitive paper 5 falls on the upper surface of the previous water-sensitive paper 5, the four corners of the water-sensitive paper 5 are folded due to falling, thereby causing wrinkles on the water-sensitive paper 5, which affects the subsequent observation of the water-sensitive paper 5. ;

[0056] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A spraying uniformity testing platform for an orchard weed sprayer, comprising a base (1) and water-sensitive paper (5), characterized in that: Support plates (3) are fixedly connected to both sides of the upper end surface of the base (1); a test bench (4) is fixedly connected to the upper end of the support plate (3); and a traction unwinding mechanism for laying the water-sensitive paper (5) on the upper surface of the test bench (4) is also provided on the test bench (4); The traction unwinding mechanism comprises a rotating roller (41) rotatably arranged on one side of the right end of the storage platform (2); the water-sensitive paper (5) is rolled and arranged on the rotating roller (41); the water-sensitive paper (5) passes through a through hole on the right side of the storage platform (2); a rack rod (45) is slidably connected to one side of the right end of the storage platform (2); a displacement plate (48) is fixedly connected to the left end of the rack rod (45); both sides of the displacement plate (48) are slidably connected to a sliding rod seven (52); the lower end of the sliding rod seven (52) is fixedly connected to a pressure plate (49); The left support plate (3) is also provided with a position-limiting bearing mechanism for centrally placing the used water-sensitive paper (5); The limited bearing mechanism comprises a storage platform (2) slidably connected to one side of the support plate (3) on the left side, two limit plates (7) are symmetrically distributed and fixedly connected on the left side of the upper end surface of the storage platform (2), and the two sides of one end of the test platform (4) are fixedly connected with a sliding rod three (23), and the sliding rod three (23) is slidably connected to an adjustment plate (21), and two sliding rods four (26) are slidably connected to the adjustment plate (21), and one end of the sliding rod four (26) is fixedly connected to a sliding groove plate three (27), and both sides of the inner cavity of the sliding groove plate three (27) are slidably connected with a threaded block two (54), and one side of the threaded block two (54) is slidably connected with a sliding rod five (31) and a sliding rod six (32), and the ends of the sliding rod five (31) and the sliding rod six (32) are fixedly connected with a connecting block two (34), and one end of the connecting block two (34) is fixedly connected with a pressing roller two (30).

2. The orchard weeding sprayer spraying uniformity testing platform according to claim 1, characterized in that: A motor seven (42) is fixedly connected to one side of the right end of the test bench (4), and an output end of the motor seven (42) is fixedly connected to one end of a rotating roller (41).

3. The orchard weeding sprayer spraying uniformity testing platform according to claim 2, characterized in that: A gear (43) is rotatably provided on one side of the right end of the test bench (4), and the gear (43) is meshed with a tooth block on a rack rod (45). A motor eight (44) is fixedly connected to one side of the right end of the test bench (4), and an output end of the motor eight (44) is fixedly connected to the gear (43). An electric push rod three (53) is fixedly connected to one side of the upper end surface of the displacement plate (48), and a piston end of the electric push rod three (53) is fixedly connected to one side of the upper end surface of the pressure plate (49).

4. The orchard weed sprayer spraying uniformity testing platform according to claim 1, characterized in that: One end of the storage table (2) is threadedly connected to a threaded rod five (46), both ends of the threaded rod five (46) are rotatably arranged on the support plate (3), and one side of the left support plate (3) is fixedly connected to a motor nine (47), and the output end of the motor nine (47) is fixedly connected to one end of the threaded rod five (46).

5. The orchard weeding sprayer spraying uniformity testing platform according to claim 4, characterized in that: A slide plate 1 (6) is fixedly connected to one side of the rear end face of the test bench (4), a slide plate 4 (38) is slidably connected to the inner side of the slide plate 1 (6), a blade plate (37) is slidably connected to the inner side of the slide plate 4 (38), a threaded rod 3 (36) is rotatably arranged at both ends of the slide plate 1 (6), a motor 5 (35) is fixedly connected to one end of the slide plate 1 (6), an output end of the motor 5 (35) is fixedly connected to one end of the threaded rod 3 (36), a threaded rod 4 (40) is threadedly connected to one end of the blade plate (37), both ends of the threaded rod 4 (40) are rotatably arranged on the slide plate 4 (38), a motor 6 (39) is fixedly connected to one side of the upper end face of the slide plate 4 (38), and an output end of the motor 6 (39) is fixedly connected to one end of the threaded rod 4 (40).

6. The orchard weed sprayer spraying uniformity testing platform according to claim 1, characterized in that: One side of the adjustment plate (21) is threadedly connected to a second threaded rod (24), the upper end of the second threaded rod (24) is rotatably arranged on the test bench (4), one end of the test bench (4) is fixedly connected to a third motor (22) on both sides, the output end of the third motor (22) is fixedly connected to one end of the second threaded rod (24), one side of the adjustment plate (21) is fixedly connected to a second electric push rod (25), the piston end of the second electric push rod (25) is fixedly connected to one side of a third slide plate (27).

7. The orchard weed sprayer spraying uniformity testing platform according to claim 6, characterized in that: One end of the threaded block 2 (54) is threadedly connected to a bidirectional threaded rod 2 (29), and both ends of the bidirectional threaded rod 2 (29) are rotatably arranged on the slide plate 3 (27). One side of the upper end of the slide plate 3 (27) is fixedly connected to a motor 4 (28), and the output end of the motor 4 (28) is fixedly connected to one end of the bidirectional threaded rod 2 (29). One side of the slide rod 5 (31) is sleeved with a spring 2 (33), and one end of the spring 2 (33) is fixedly connected to the threaded block 2 (54), and the other end is fixedly connected to the connecting block 2 (34).

8. The orchard weed sprayer spraying uniformity testing platform according to claim 1, characterized in that: One side of the limit plate (7) is slidably connected to a lifting plate (18), and one side of the lifting plate (18) is slidably connected to two sliding rods (14), one end of the sliding rod (14) is fixedly connected to a chute plate (10), both sides of the inner cavity of the chute plate (10) are slidably connected to a threaded block (11), a sliding rod (13) and a sliding rod (55) are slidably connected to the threaded block (11), the ends of the sliding rod (13) and the sliding rod (55) are fixedly connected to a connecting block (9), and a pressure roller (8) is rotatably provided at one end of the connecting block (9), one side of the lifting plate (18) is threadedly connected to a threaded rod (16), and both ends of the threaded rod (16) are rotatably provided on the limit plate (7), and one side of the upper end of the limit plate (7) is fixedly connected to a motor (17), and the output end of the motor (17) is One end of the threaded rod (16) is fixedly connected to the other end of the lifting plate (18). An electric push rod (19) is fixedly connected to one end of the lifting plate (18). The piston end of the electric push rod (19) is fixedly connected to one side of the sliding groove plate (10). One side of the threaded block (11) is threadedly connected to a bidirectional threaded rod (12). Both ends of the bidirectional threaded rod (12) are rotatably arranged on the sliding groove plate (10). One end of the sliding groove plate (10) is fixedly connected to a motor (20). The output end of the motor (20) is fixedly connected to one end of the bidirectional threaded rod (12). One side of the sliding rod (13) is sleeved with a spring (15). One end of the spring (15) is fixedly connected to the threaded block (11), and the other end is fixedly connected to one end of the sliding rod (13). The pressure roller (8) and the connecting block (9) can pass through the groove of the limit plate (7).

9. The orchard weed sprayer spraying uniformity testing platform according to claim 1, characterized in that: A fastening rod (50) is rotatably provided on one side of the pressing plate (49), a motor ten (51) is fixedly connected to one side of the pressing plate (49), and an output end of the motor ten (51) is fixedly connected to one end of the fastening rod (50).

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