A portable fruit tree pollination instrument

Abstract

The invention discloses a portable fruit tree pollination instrument, comprising a telescopic mechanism, a pollen liquid spraying mechanism, and a handheld control mechanism, wherein the handheld control mechanism is installed at the lower end of the telescopic mechanism, the pollen liquid spraying mechanism is installed at the upper end of the telescopic mechanism, and the handheld control mechanism drives the telescopic mechanism to perform a telescopic action to adjust the height of the pollen liquid spraying mechanism. The invention adjusts the height through the telescopic mechanism, so that the pollen liquid spraying mechanism accurately reaches a predetermined pollination position, can achieve accurate quantitative pollination, and is simple to operate, has low labor intensity, and has high pollination efficiency, thereby improving the lightness and intelligence level of agricultural equipment; by adopting an injection assembly, during pollination, under the action of a first one-way valve and a second one-way valve, the internal air pressure of the injection tube is maintained constant, further ensuring the adjustable quantitative amount of pollination, and making pollination more reliable and efficient; by adopting a pneumatic control system, the deformation response time is shortened, and the pollination efficiency is further improved.

Description

Technical Field

[0001] The invention belongs to the technical field of manufacturing agricultural machinery pollination devices, and in particular relates to a portable fruit tree pollination device. Background Art

[0002] With the rapid development of modern agricultural instrument science and technology, these technologies are already in the practical stage. In order to cope with more complex application situations, the innovation of mechanical pollination devices for agricultural fruit tree planting is becoming more and more in-depth. When it is necessary to pollinate the flowers of crops such as kiwifruit and corn, the fruit tree pollination device is required to have convenient, reliable and adjustable quantitative pollination capabilities to achieve the purpose of completing the pollination task efficiently and accurately. At present, the traditional artificial pollination method has problems such as high labor intensity and low pollination efficiency, and it is extremely easy to miss the best time for fruit tree pollination. Although there are some existing technologies that use fruit tree pollination devices to implement pollination activities, there are still problems such as high labor intensity, high cost, inability to quantitatively and accurately pollinate, and inability to quickly and widely popularize.

[0003] In order to solve the above problems, relevant researchers have proposed a series of solutions for optimizing the pollination operation of fruit tree mechanical pollination devices in orchards. On December 19, 2017, Northwest Agriculture and Forestry University disclosed a pneumatic kiwi atomizing pollinator in a Chinese patent document with publication number CN 107484654A. The pollinator pollinates kiwi trees by gas-liquid mixed flow, which can improve the utilization rate of kiwi pollen. However, it still adopts the traditional manual shoulder-carrying operation mode, and adds a series of components such as pollen boxes and nitrogen boxes to the shoulder strap frame, which undoubtedly increases the workload of the operator. In addition, its spraying mechanism is fixed on the device, which cannot meet the needs of accurate and quantitative pollination, resulting in waste of pollen. On January 11, 2022, a Chinese patent document with publication number CN 113906999 A disclosed a wind-blown kiwifruit pollination device. This pollination device consists of a frame, a pollen delivery and air delivery module, and adopts a chain drive transmission mechanism to drive the fan blades to rotate, thereby realizing the function of air delivery and ensuring flexibility during pollen delivery. However, the device lacks a certain degree of rigidity and the structural tightness is low, which reduces its reliability during operation, and thus cannot meet the requirements of maintaining high-efficiency operation under certain environmental conditions. In addition, due to its large overall size, it cannot be used in rugged orchards with dense fruit trees, and does not have a certain degree of flexibility. At the same time, it will also cause pollen to be unable to reach some areas, resulting in pollen waste. On June 24, 2022, a Chinese patent document with publication number CN 114651720 A disclosed a kiwi fruit tree pollination device. The pollination device adopts a lightweight and portable design concept. The telescopic rod reaches the designated pollination position by manually pulling the sleeve, and then the switch is manually turned to achieve precise quantitative pollination. However, since its actuator and hopper parts are concentrated at the top, the top weight is large, and stability during pollination operations cannot be guaranteed, which increases the difficulty of operation for the operator and still causes a certain burden.

[0004] In summary, it can be seen that the mainstream pollination devices are mainly powder spray type and spray type. Among them, powder spray pollination is not easy to control the pollen spray volume, and after pollination, it is easily affected by environmental factors such as strong winds and rainy days. The spray type is not easily affected by the complex environment of the orchard, has strong controllability, and its pollen particles are evenly distributed. Glucose and other substances can be added to the pollen liquid formula to enhance the adhesion of the pollen liquid. The pollination effect is relatively ideal, but they all have certain problems, that is, they cannot achieve precise pollination, the labor intensity is high, and the pollination efficiency is low.

[0005] Therefore, designing a lightweight portable fruit tree pollination device that can accurately and quantitatively pollinate has important practical significance and practical value. Summary of the invention

[0006] In view of the above technical problems, the present invention provides a portable fruit tree pollination instrument, which can reach the predetermined pollination position more conveniently, quickly and accurately, and improve the lightness and intelligence level of agricultural equipment.

[0007] A portable fruit tree pollination instrument comprises a telescopic mechanism, a pollen liquid spraying mechanism and a handheld control mechanism. The handheld control mechanism is installed at the lower end of the telescopic mechanism, and the pollen liquid spraying mechanism is installed at the upper end of the telescopic mechanism. The handheld control mechanism drives the telescopic mechanism to perform a telescopic action to adjust the height of the pollen liquid spraying mechanism.

[0008] It is further provided that the handheld control mechanism is provided with a screw assembly, and the screw assembly drives the telescopic mechanism to perform a telescopic action.

[0009] It is further configured that the screw assembly includes an eccentric motor and a screw, the screw is fixedly connected to the motor shaft of the eccentric motor; the telescopic mechanism includes a telescopic rod and a telescopic sleeve, the inner wall of the first end of the telescopic rod is provided with a threaded hole, the screw and the telescopic rod are threadedly matched, the first end of the telescopic rod extends into the first end of the telescopic sleeve and slidably matches, the pollen liquid injection mechanism is installed on the second end of the telescopic rod, and the second end of the telescopic sleeve is fixed to the handheld control mechanism.

[0010] It is further provided that the pollen liquid spraying mechanism comprises a carrying tray, a spraying assembly, and a material storage assembly. The carrying tray is mounted on the upper end of the telescopic mechanism, the spraying assembly is mounted on the carrying tray, and the material storage assembly is connected to the spraying assembly.

[0011] It is further configured that the injection assembly includes a first one-way valve, an injection tube, a piston core, and a first compression spring. The first one-way valve is sealingly installed at the tube mouth of the first end of the injection tube, the piston core is installed inside the injection tube, and the first compression spring is installed between the piston core and the inner wall of the second end of the injection tube.

[0012] It is further provided that the first one-way valve comprises a spring, a rubber sealing plug, and a nozzle, the nozzle is provided with a plurality of holes, the sealing rubber plug is arranged at the nozzle of the injection tube, and a spring is installed between the nozzle and the rubber sealing plug.

[0013] It is further configured that the material storage assembly includes a powder hopper, a powder hopper cover, and a second one-way valve, the second one-way valve is installed at the bottom outlet of the powder hopper, the powder hopper cover is sealingly installed at the upper end of the powder hopper, and a vent hole is provided on the powder hopper cover.

[0014] It is further configured that the second one-way valve includes a screen plate and a paddle. The screen plate is provided with screen holes. The inner circle of the screen holes is gradually reduced in a stepped manner. The paddle is installed at the end with a larger diameter of the screen hole. All the paddles are hinged to the screen plate at 45 degrees.

[0015] It is further configured that the handheld control mechanism includes a handle, a grip, a casing, a second compression spring, a flange, and a nylon wire. The flange is fixed to the lower end of the telescopic mechanism, one end of the casing is connected to the flange, the other end of the casing is fixed to the handle, one end of the handle is hinged to the handle, and a second compression spring is installed between the other end of the handle and the handle. A buckle is provided at the end where the handle is hinged to the handle, one end of the nylon wire is connected to the buckle of the handle, and the other end of the nylon wire is connected to the piston core.

[0016] It is further arranged that a pulley bracket is installed on the carrying tray, a fixed pulley is installed on the pulley bracket, and the nylon line is passed around the fixed pulley.

[0017] In summary, the present invention has the following beneficial effects:

[0018] 1. The present invention adjusts the height through a telescopic mechanism so that the pollen liquid spraying mechanism can accurately reach a predetermined pollination position, thereby realizing precise quantitative pollination, and has simple operation, low labor intensity, and high pollination efficiency, thereby improving the lightness and intelligence level of agricultural equipment.

[0019] 2. The present invention can adjust the pollination height as required according to the operating environment requirements of different fruit trees, has excellent environmental adaptability, and ensures the accuracy of pollination manipulation.

[0020] 3. The present invention adopts a spray assembly. When pollinating, under the action of the first one-way valve and the second one-way valve, the internal air pressure of the injection tube is maintained constant, which further ensures the adjustable quantity of pollination and makes pollination more reliable and efficient.

[0021] 4. The present invention adopts a pneumatic control system, which makes the control no longer complicated, shortens the deformation response time, and further improves the pollination efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of a portable fruit tree pollination instrument according to a preferred embodiment;

[0023] Figure 2 It is a structural schematic diagram of a handheld control mechanism;

[0024] Figure 3 It is a structural schematic diagram of the screw assembly;

[0025] Figure 4 It is a structural schematic diagram of the telescopic mechanism;

[0026] Figure 5 It is a structural schematic diagram of the pollen liquid injection mechanism;

[0027] Figure 6 is a cross-sectional view of the injection assembly;

[0028] Figure 7 is an enlarged view of the first one-way valve;

[0029] Figure 8 It is a structural schematic diagram of the material storage component;

[0030] Fig. 9 is a structural schematic diagram of a second one-way valve;

[0031] Fig.10 is an enlarged view of the second one-way valve;

[0032] Fig.11 An enlarged view of the handheld control mechanism.

[0033] Reference numerals: 1, telescopic mechanism; 11, telescopic rod; 12, telescopic sleeve;

[0034] 2. Pollen liquid spraying mechanism; 21. Carrying tray; 22. Fixed block; 23. Mobile fastening block; 24. Pulley bracket; 25. Fixed pulley; 26. Spraying assembly; 261. First one-way valve; 2611. Spring; 2612. Rubber sealing plug; 2613. Spray head; 262. Injection tube; 263. Piston core; 264. First compression spring; 27. Material storage assembly; 271. Powder hopper; 272. Powder hopper cover; 273. Rolling; 274. Second one-way valve; 2741. Screen; 2742. Pick; 275. Sealing ring;

[0035] 3. Handheld control mechanism; 31. Handle; 32. Handle; 33. Casing; 34. Second compression spring; 35. Flange; 36. Screw assembly; 37. Nylon wire; 361. Eccentric motor; 362. Screw; 363. Motor support; 364. Control button; 38. Buckle. DETAILED DESCRIPTION

[0036] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0037] like Figure 1 As shown, a preferred embodiment of a portable fruit tree pollinator includes a telescopic mechanism 1, a pollen liquid spraying mechanism 2, and a handheld control mechanism 3. The handheld control mechanism 3 is installed at the lower end of the telescopic mechanism 1, and the pollen liquid spraying mechanism 2 is installed at the upper end of the telescopic mechanism 1. The handheld control mechanism 3 drives the telescopic mechanism 1 to perform a telescopic action to adjust the height of the pollen liquid spraying mechanism 2. The pollen liquid spraying mechanism 2 performs pollen spraying, and the handheld control mechanism 3 controls the operation of the overall device of the preferred embodiment.

[0038] like Figure 2As shown, the handheld control mechanism 3 is provided with a screw assembly 36, and the screw assembly 36 drives the telescopic mechanism 1 to perform a telescopic action. The handheld control mechanism 3 includes a handle 31, a handle 32, a housing 33, a second compression spring 34, a flange 35, and a nylon line 37. The flange 35 is fixed to the lower end of the telescopic mechanism 1, one end of the housing 33 is connected to the flange 35, and the other end of the housing 33 is fixed to the handle 31. One end of the handle 32 is hinged to the handle 31, and the second compression spring 34 is installed between the other end of the handle 32 and the handle 31. A ring buckle 38 is provided at one end of the handle 32 hinged to the handle 31, and one end of the nylon line 37 is connected to the ring buckle 38 of the handle 32, and the other end of the nylon line 37 is connected to the piston core 263. When the handle 32 is squeezed inward, the ring buckle 38 rotates counterclockwise, and the nylon line 37 is relaxed; when the handle 32 is not subjected to force, it is reset under the action of the second compression spring 34, and the ring buckle 38 rotates clockwise to reset, and the nylon line 37 is tightened. The casing 33 is threadedly connected to the flange 35, a power box is arranged inside the casing 33, the handle 31 is threadedly connected to the casing 33, the handle 31 is provided with a connecting hole, the handle 32 is hinged to the handle 31 through the connecting hole, and buckles 38 are provided at the bottom of the handle 31 and the handle 32, one end of the second compression spring 34 is connected to the buckle 38 of the handle 31, and the other end of the second compression spring 34 is connected to the buckle 38 of the handle 32.

[0039] like Figure 3 , Figure 4 As shown, the screw assembly 36 includes an eccentric motor 361 and a screw 362, and the screw 362 is fixedly connected to the motor shaft of the eccentric motor 361; the telescopic mechanism 1 includes a telescopic rod 11 and a telescopic sleeve 12, the inner wall of the first end of the telescopic rod 11 is provided with a threaded hole, the screw 362 and the telescopic rod 11 are threadedly matched, the telescopic rod 11 is provided with a limiting slide groove, the telescopic sleeve 12 is provided with a limiting slider, the first end of the telescopic rod 11 and the first end of the telescopic sleeve 12 are nested and slidably matched, so that the two cannot rotate relative to each other radially, and the function of axial telescopic expansion is realized. The pollen liquid spraying mechanism 2 is installed at the second end of the telescopic rod 11, the two are threadedly connected, the second end of the telescopic sleeve 12 is fixed to the handheld control mechanism 3, the second end of the telescopic sleeve 12 is fixed to the handheld control mechanism 3, and the telescopic rod 11 and the telescopic sleeve 12 are both provided with through holes. The lead screw assembly 36 also includes a motor support 363 , and the eccentric motor 361 is installed on the motor support 363 . The eccentric motor 361 is electrically connected to a control button 364 , and the start and stop of the eccentric motor 361 is controlled by the control button 364 . The control button 364 is hinged to the handle 31 .

[0040] like Figure 5As shown, the pollen liquid spraying mechanism 2 includes a carrying tray 21, a spraying assembly 26, and a material storage assembly 27. The carrying tray 21 is mounted on the upper end of the telescopic mechanism 1. A through hole is provided at the center of the carrying tray 21. The spraying assembly 26 is mounted on the carrying tray 21. The material storage assembly 27 is connected to the spraying assembly 26. The pollen liquid spraying mechanism 2 also includes a fixed block 22 and a movable fastening block 23. The fixed block 22 and the pulley bracket 24 are fixed on opposite sides of the carrying tray 21. The fixed block 22 and the movable fastening block 23 are both provided with a wedge-shaped groove. The spraying assembly 26 is installed between the wedge-shaped groove of the fixed block 22 and the wedge-shaped groove of the movable fastening block 23.

[0041] like Figure 6 As shown, the injection assembly 26 includes a first one-way valve 261, an injection tube 262, a piston core 263, and a first compression spring 264. The first one-way valve 261 is sealed and installed at the nozzle of the injection tube 262, the piston core 263 is installed inside the injection tube 262, and the first compression spring 264 is installed between the piston core 263 and the injection tube 262. The piston core 263 and the injection tube 262 are both provided with a ring buckle 38 at the tail end, the first end of the first compression spring 264 is fixed to the ring buckle 38 of the piston core 263, and the second end of the first compression spring 264 is fixed to the ring buckle 38 at the tail end of the injection tube 262, and is in a compressed state when not working.

[0042] like Figure 7 As shown, the first one-way valve 261 includes a spring 2611, a rubber sealing plug 2612, and a nozzle 2613. The nozzle 2613 is provided with a plurality of holes on its surface for spraying out the pollen spray liquid. The rubber sealing plug 2612 is fixed to the nozzle of the injection tube 262, and the spring 2611 is installed between the nozzle 2613 and the rubber sealing plug 2612. The nozzle 2613 is provided with an annular limiting groove on its surface, one end of the spring 2611 is fixed to the annular limiting groove, and the other end is connected to the rubber sealing plug 2612.

[0043] like Figure 8 As shown, the material storage assembly 27 includes a powder hopper 271, a powder hopper cover 272, a roller 273, and a second one-way valve 274. The rollers 273 are installed on both sides of the bottom of the powder hopper 271. The second one-way valve 274 is installed at the outlet of the bottom surface of the powder hopper 271. The powder hopper cover 272 is sealed and installed at the upper end of the powder hopper 271. The powder hopper cover 272 is provided with a vent. The material storage assembly 27 also includes a sealing ring 275, which is installed on the outer periphery of the bottom of the powder hopper 271.

[0044] like Fig. 9 , Fig.10As shown, the second one-way valve 274 includes a screen 2741 and a paddle 2742. The screen 2741 is provided with screen holes, and the inner circle of the screen holes is stepped and gradually reduced. The paddle 2742 is installed at the end of the screen hole with a larger diameter. All paddles 2742 are hinged to the screen 2741 at 45 degrees. The two sides of the step of the screen hole are provided with shaft holes, and the paddle 2742 is hinged to the screen 2741 through the shaft holes. The inner circle of the screen hole is set to be stepped, and the rotation angle of the paddle 2742 can be limited. When the pollen liquid is not required to flow into the injection tube 262, the air pressure increases, and the paddle 2742 is squeezed upward, and the paddle 2742 rotates 45 degrees upward around the axis, and the paddle 2742 rotates to a horizontal position to achieve a sealing effect.

[0045] like Figure 2 , Figure 5 As shown, a pulley bracket 24 is installed on the carrying tray 21 , a fixed pulley 25 is installed on the pulley bracket 24 , and the nylon line 37 is passed around the fixed pulley 25 .

[0046] During use, the control button 364 is pressed by manually holding the device handle 31, and the eccentric motor 361 rotates, thereby driving the screw 362 to rotate. Under the action of the screw pair, the function of adjusting the height of the telescopic rod 11 in the telescopic mechanism 1 is realized, and the predetermined pollination position is reached more conveniently, quickly and accurately.

[0047] When the handle 31 and the handle 32 are tightly grasped, the buckle 38 of the handle 32 rotates counterclockwise for a section, the nylon line 37 is loosened upward, the fixed pulley 25 rotates counterclockwise, and the piston core 263 is pushed by the first compression spring 264 and moves along the axial front direction of the injection tube 262. The first one-way valve 261 opens, that is, the rubber sealing plug 2612 is pushed open, the spring 2611 is compressed, and the pollen liquid is sprayed out through the vent hole of the nozzle 261. At this time, under the action of pressure, the second one-way valve 274 is closed, that is, the paddle 2742 is subjected to upward pressure, and it closes with the screen 2741 to complete the seal, thereby realizing the function of precise quantitative pollination.

[0048] When the handle 32 returns to its original position under the action of the second compression spring 34, the buckle 38 at the handle 32 rotates clockwise for a distance, the nylon line 37 is tightened downward, the fixed pulley 25 rotates clockwise, the piston core 263 is pulled backward by the nylon line 37, the first compression spring 264 is compressed, the air pressure in the injection tube 262 is reduced, the first one-way valve 261 is closed, that is, the rubber sealing plug 2612 blocks the front opening of the injection tube 262 under the action of the spring 2611, and the second one-way valve 274 is opened, that is, under the action of negative pressure, air enters the powder hopper 271 through the vent hole of the powder hopper upper cover 272, and under the action of air pressure, the paddle 2742 is subjected to downward pressure and opens at 45 degrees with the screen 2741, causing the pollen liquid in the powder hopper 271 to leak into the injection tube 262.

[0049] The above-mentioned implementation mode is only an explanation of the present invention, and it is not a limitation of the present invention. After reading this specification, those skilled in the art can make non-creative modifications to the present implementation mode as needed, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. A portable fruit tree pollination instrument, characterized in that: The invention comprises a telescopic mechanism (1), a pollen liquid spraying mechanism (2), and a handheld control mechanism (3), wherein the handheld control mechanism (3) is mounted on the lower end of the telescopic mechanism (1), the pollen liquid spraying mechanism (2) is mounted on the upper end of the telescopic mechanism (1), and the handheld control mechanism (3) drives the telescopic mechanism (1) to perform a telescopic action, so as to adjust the height of the pollen liquid spraying mechanism (2); The pollen liquid spraying mechanism (2) comprises a carrying tray (21), a spraying assembly (26), and a material storage assembly (27); the carrying tray (21) is mounted on the upper end of the telescopic mechanism (1); the spraying assembly (26) is mounted on the carrying tray (21); and the material storage assembly (27) is in communication with the spraying assembly (26); The material storage assembly (27) comprises a powder hopper (271), a powder hopper upper cover (272), and a second one-way valve (274); the second one-way valve (274) is installed at the bottom outlet of the powder hopper (271); the powder hopper upper cover (272) is sealed and installed at the upper end of the powder hopper (271); and the powder hopper upper cover (272) is provided with a through hole; The second one-way valve (274) comprises a sieve plate (2741) and a paddle (2742). The sieve plate (2741) is provided with sieve holes, the inner circle of which is gradually reduced in a step-like manner. The paddle (2742) is installed at the end of the sieve hole with a larger diameter. All paddles (2742) are hinged to the sieve plate (2741) at 45 degrees.

2. The portable fruit tree pollination instrument according to claim 1, characterized in that: The handheld control mechanism (3) is provided with a screw assembly (36), and the screw assembly (36) drives the telescopic mechanism (1) to perform a telescopic action.

3. The portable fruit tree pollination instrument according to claim 2, characterized in that: The screw assembly (36) comprises an eccentric motor (361) and a screw (362), wherein the screw (362) is fixedly connected to the motor shaft of the eccentric motor (361); the telescopic mechanism (1) comprises a telescopic rod (11) and a telescopic sleeve (12), wherein the inner wall of the telescopic rod (11) is provided with a thread, the screw (362) and the telescopic rod (11) are engaged with each other through the thread, the first end of the telescopic rod (11) extends into the first end of the telescopic sleeve (12) and is slidably engaged with each other, the pollen liquid spraying mechanism (2) is mounted on the second end of the telescopic rod (11), and the second end of the telescopic sleeve (12) is fixed to the handheld control mechanism (3).

4. The portable fruit tree pollination instrument according to claim 1, characterized in that: The injection assembly (26) comprises a first one-way valve (261), an injection tube (262), a piston core (263), and a first compression spring (264); the first one-way valve (261) is sealingly mounted on the tube opening of the first end of the injection tube (262); the piston core (263) is mounted inside the injection tube (262); and the first compression spring (264) is mounted between the piston core (263) and the inner wall of the second end of the injection tube (262); The handheld control mechanism (3) comprises a handle (31), a grip (32), a housing (33), a second compression spring (34), a flange (35), and a nylon line (37). The flange (35) is fixed to the lower end of the telescopic mechanism (1). One end of the housing (33) is connected to the flange (35). The other end of the housing (33) is fixed to the handle (31). One end of the handle (32) is hinged to the handle (31). The second compression spring (34) is installed between the other end of the handle (32) and the handle (31). A buckle (38) is provided at one end of the handle (32) hinged to the handle (31). One end of the nylon line (37) is connected to the buckle (38) of the handle (32). The other end of the nylon line (37) is connected to the piston core (263).

5. The portable fruit tree pollination instrument according to claim 4, characterized in that: The first one-way valve (261) comprises a spring (2611), a rubber sealing plug (2612), and a nozzle (2613); the nozzle (2613) is provided with a plurality of holes; the rubber sealing plug (2612) is arranged at the nozzle of the injection tube (262); and the spring (2611) is installed between the nozzle (2613) and the rubber sealing plug (2612).

6. The portable fruit tree pollination instrument according to claim 4, characterized in that: A pulley bracket (24) is mounted on the carrying tray (21), a fixed pulley (25) is mounted on the pulley bracket (24), and the nylon line (37) is passed around the fixed pulley (25).

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