Alfalfa cross breeding pollination device and use method thereof

Abstract

The invention relates to the technical field of pollination devices, and discloses an alfalfa cross breeding pollination device and a use method thereof.The alfalfa cross breeding pollination device comprises an adapter plate and a supporting rod rotationally installed at the bottom of the adapter plate, and as a further scheme, the alfalfa cross breeding pollination device further comprises two clamping mechanisms which are symmetrically arranged at the end, away from the adapter plate, of the supporting rod. Air flow is blown into the guide pipe through the air blower, the second piston block is blown upwards to block falling of pollen in the pollen box, then the pollen in the guide pipe is blown into the pollen spraying pipe and then blown to plants to be pollinated, external air flow does not make contact with the pollen in the pollen box in the pollination process, and it is effectively avoided that the pollen in the pollen box is affected with damp and agglomerated; therefore, the pollen spraying uniformity is influenced, and the utilization rate of the pollen is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pollination devices, and in particular to an alfalfa hybrid breeding pollination device and a use method thereof. Background Art

[0002] Alfalfa hybrid breeding pollination is a breeding method conducted through artificial pollination technology, which aims to improve the efficiency of alfalfa germplasm improvement and breeding results. Alfalfa is an important forage crop, widely used in feed production because of its high protein and nutritional value. Alfalfa hybrid breeding usually involves selecting parents with excellent traits for hybridization to obtain new varieties with better yield, quality, disease resistance, stress resistance and other characteristics. In the process of breeding new varieties, alfalfa hybrid breeding pollination devices are needed to improve pollination efficiency, accuracy and operability, reduce the tedious work of artificial pollination, and ensure a high success rate of the hybridization process.

[0003] An artificial assisted pollination device for hybrid crops in the prior art (Announcement No.: CN115720847B) can clamp the plants to be pollinated through the working components, which is convenient for operators to pollinate the plants better, but the work efficiency of artificial pollination is still low. A hybrid millet pollination device in the prior art (Announcement No.: CN118370206B) performs pollination operations on millet through the cooperation between the fan and the pollination tube, the first extension tube and the second extension tube, and controls the rotation of the first extension tube and the second extension tube to expand the pollination area and improve work efficiency. However, the fan pumps the outside air into the pollination tube, so that the moisture in the air contacts the unused pollen in the pollination tube, and then the pollen becomes damp, which is not conducive to the uniformity of subsequent powder spraying, thereby causing pollen waste. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an alfalfa hybrid breeding pollination device and a use method thereof.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: An alfalfa hybrid breeding pollination device comprises an adapter plate and a support rod rotatably mounted on the bottom of the adapter plate, and further comprises: A clamping mechanism, wherein two clamping mechanisms are provided and are symmetrically arranged at one end of the support rod away from the adapter plate; A second protective cover, wherein the second protective cover is fixedly mounted on the top of the support rod, a powder box is fixedly mounted on the top of the second protective cover, a guide tube for pollen circulation is fixedly mounted on the bottom of the powder box, and the bottom of the powder box is a funnel-shaped structure; A diversion mechanism, which is arranged inside the powder box and the guide tube, and is used to control the release of pollen and prevent the pollen in the powder box from contacting with the outside air over a large area; A recovery mechanism, which is arranged at the end and bottom of the support rod close to the clamping mechanism, and is used to recover excess pollen sprayed; The transmission mechanism is arranged in the second protective cover, and is used to drive the linkage between the clamping mechanism, the diversion mechanism and the recovery mechanism.

[0006] As a further solution of the present invention, the diverter mechanism includes a diverter plate, a switch plate and a second piston block, the surface of the diverter plate is provided with a plurality of discharge holes evenly distributed in a circular shape, the diverter plate is fixedly installed in the powder box, a second transmission shaft is rotatably installed at the bottom center of the diverter plate, the switch plate is fixedly sleeved on the surface of the second transmission shaft and the top is abutted against the bottom of the diverter plate, and the surface of the switch plate is provided with a plurality of through holes matching the discharge holes.

[0007] As a further solution of the present invention, the arc edges around the diverter plate and the switch plate are against the inner wall of the powder box, a first gear is fixedly installed at the bottom end of the second transmission shaft, the first gear is rotatably installed on the top of the support rod, the second piston block is arranged in the guide tube and slidably sleeved on the surface of the second transmission shaft, the second piston block has a cylindrical structure and is against the inner wall of the guide tube.

[0008] As a further solution of the present invention, an air hood is fixedly installed on the bottom of one end of the guide tube near the powder box, a plurality of air holes are opened on the surface of the guide tube near the air hood, a flexible air pipe is fixedly installed on the surface of the air hood, a blower is fixedly installed on the top of the adapter plate, the air outlet end of the blower is fixedly connected to the other end of the flexible air pipe, a stirring rod is rotatably installed on the top center of the diverter plate, the bottom end of the stirring rod is fixedly installed on the top rotation center of the second transmission shaft through a connecting shaft, a powder spraying pipe with an inverted T-shaped structure is fixedly installed on the other end of the guide tube, and a first piston block matching the inner diameter of the powder spraying pipe is slidably installed in the powder spraying pipe.

[0009] As a further solution of the present invention, the transmission mechanism includes a slider, which has a T-shaped structure, a device cavity is provided at the bottom of the support rod, a first slide groove adapted to the slider is provided at the top of the support rod, the first slide groove is connected to the equipment cavity, a first rack, a second rack and a third rack are fixedly installed on one side of the slider in sequence, a fourth rack is fixedly installed on the other side of the slider, the top of the slider is fixedly installed on one end of the first piston block through a connecting shaft, and the fourth rack is meshed with the first gear.

[0010] As a further solution of the present invention, a micro motor and an electric telescopic rod are fixedly installed in the equipment cavity, the telescopic end of the electric telescopic rod is fixedly installed on one side of the slider, an arc-shaped protrusion is provided on the top of the support rod, and a second slide groove is provided on the top of the adapter plate, which is adapted to the arc-shaped protrusion and passes through the outer surface of the adapter plate. The arc-shaped protrusion is slidably installed in the second slide groove, and a second gear is rotatably installed on the top of the arc-shaped protrusion. The output end of the micro motor passes through the outer surface of the support rod and is fixedly installed on the rotation center of the bottom of the second gear. An arc-shaped rack meshing with the second gear is fixedly installed on one side of the top of the adapter plate, the top fixed cover of the adapter plate is connected to the first protective cover, and the bottom of the support rod is hinged with an inspection cover for closing the equipment cavity.

[0011] As a further solution of the present invention, the clamping mechanism includes a gripping rod and a gripping pad, a pressure sensor and a plurality of springs are fixedly installed between the gripping pad and the gripping rod, the pressure sensor is fixedly installed on the surface of the gripping rod, and both ends of each spring are respectively fixedly installed on the surface of the gripping rod and the gripping pad, and a groove matching the swing trajectory of the gripping rod is formed at the end of the support rod, and the gripping rod is rotatably installed in the groove.

[0012] As a further solution of the present invention, two fourth gears are symmetrically installed on the top of the support rod for rotation. The bottom centers of the two fourth gears are fixed to the top rotation centers of the two clamping rods through connecting shafts, and the two fourth gears are respectively meshed with the first rack and the third rack.

[0013] As a further scheme of the present invention, the recovery mechanism includes a powder collecting funnel and a collecting barrel, a powder collecting chamber is provided at the bottom of the support rod, and two heat dissipation windows connected with the two grooves are symmetrically provided in the powder collecting chamber, the top of the collecting barrel is an open structure and is threadedly connected to the powder collecting chamber, the powder collecting funnel is fixedly installed on the outer surface of the support rod, and a drainage tube is provided at the bottom of the powder collecting funnel, and the drainage tube obliquely passes through the outer surface of the support rod to the top of the collecting barrel, a first transmission shaft is rotatably installed on the top of the powder collecting chamber, a plurality of electric heating rods are fixedly installed on the surface of the first transmission shaft, the interior of the first transmission shaft is a hollow structure, and a battery for powering the electric heating rods is fixedly embedded in the first transmission shaft, a third gear meshing with the second rack is rotatably installed on the top of the support rod, and the top of the first transmission shaft passes through the outer surface of the support rod and is fixedly installed with the rotation center of the bottom of the third gear.

[0014] A method for using an alfalfa hybrid breeding pollination device comprises the following steps: Step 1: First, install the device on the robotic arm through the adapter plate, then fill the pollen to be pollinated into the powder box, and then control the robotic arm to move to the side of the plant to be pollinated; Step 2: Start the electric telescopic rod to pull the slider, the slider drives the first rack, the second rack, the third rack and the fourth rack to slide away from the clamping rod, the first rack and the third rack drive the two fourth gears to rotate at the same time, and then drive the two clamping rods to rotate, the two clamping rods drive the two clamping pads to gradually move closer, and judge whether the plant is clamped and fixed by the pressure sensor; Step 3: During the process of clamping the plant, the fourth rack drives the first gear to rotate, the first gear drives the second transmission shaft to rotate, and the second transmission shaft drives the switch plate to rotate, so that the through holes on its surface are gradually aligned with the discharge holes of the diverter plate, so that the pollen falls into the guide tube, and the movement of the slider drives the first piston block to slide toward the powder box, so that the connection between the guide tube and the powder spraying tube is unblocked; Step 4: Then start the blower to pump the airflow into the air hood through the flexible air pipe, and then enter the guide tube from under the second piston block, blow the second piston block upward to block the passage to prevent the pollen from continuing to enter the guide tube, and at the same time make the airflow not contact the pollen in the powder box, and then the airflow blows the pollen in the guide tube into the powder spraying tube and then sprays it into the fixed plant buds; Step 5: Finally, the electric telescopic rod drives the slider to reset, and the slider drives the first piston block to push the pollen remaining in the powder spraying tube out of the powder spraying tube and into the powder collecting funnel, and then enters the collecting tube for temporary storage. During the reciprocating sliding process of the slider, the second rack drives the third gear to rotate, and the third gear drives the first transmission shaft to rotate, thereby driving the multiple electric heating rods that are heating up to stir the collected pollen to prevent it from getting damp and agglomerating. At the same time, the rotation process of the second transmission shaft also drives the stirring rod to stir the pollen in the powder box so that it can be evenly deposited.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting a diversion mechanism, when the device is aimed at the plant to be pollinated and clamped and fixed, the fourth rack drives the first gear to rotate, the first gear drives the second transmission shaft to rotate, and the second transmission shaft drives the switch plate to rotate, so that the through hole on its surface is connected with the discharge hole on the surface of the diversion plate, so that the pollen in the powder box enters the guide tube, and the blower is started to blow the airflow into the guide tube. First, the second piston block is blown upward to block the pollen in the powder box from falling, and then the pollen in the guide tube is blown into the powder spraying tube, and then blown to the plant to be pollinated. During the pollination process, the external airflow does not contact the pollen in the powder box, which effectively avoids the dampness and agglomeration of the pollen in the powder box, thereby affecting the uniformity of pollen spraying and improving the utilization rate of pollen; 2. By setting the first piston block, when the powder spraying tube finishes powder spraying, the two holding rods release the plants, and the slider drives the first piston block to block the connection between the guide tube and the powder spraying tube and push the pollen remaining in the powder spraying tube out of the powder spraying tube, and then falls into the pollen collecting funnel, and then falls into the collecting tube through the pollen collecting funnel for centralized collection. The dust collecting funnel can also collect the excess pollen sprayed and then temporarily store it in the collecting tube, avoiding pollen waste; 3. By setting up a first transmission shaft and multiple electric heating rods on its surface, the two clamping rods achieve the process of clamping and releasing the plants by reciprocating sliding of the slider, and then the slider drives the second rack to slide reciprocatingly, the second rack drives the third gear to rotate, and the third gear drives the first transmission shaft to rotate, thereby driving the multiple energized electric heating rods to stir in the collecting tube, heat the damp pollen, and dry it so that it can be used as spare pollen for plant pollination, thereby improving the utilization rate of the pollen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of an alfalfa hybrid breeding pollination device proposed by the present invention; Figure 2 This is a schematic cross-sectional view of a pollination device for alfalfa hybrid breeding proposed by the present invention; Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A; Figure 4 for Figure 2 A schematic diagram of the enlarged structure of part B; Figure 5 This is a schematic diagram of the explosive splitting structure of an alfalfa hybrid breeding pollination device proposed by the present invention; Figure 6 for Figure 5 A schematic diagram of the enlarged structure of the middle C part; Figure 7 for Figure 5 A schematic diagram of the enlarged structure of the D part; Figure 8 This is a schematic diagram of the structure of an adapter plate and a support rod of an alfalfa hybrid breeding pollination device proposed by the present invention; Fig. 9 This is a schematic diagram of the support rod and the clamping rod structure of an alfalfa hybrid breeding pollination device proposed by the present invention; Fig.10 for Fig. 9 A schematic diagram of the enlarged structure of part E in the middle; Fig.11 This is a schematic diagram of the structure of a powder box and a guide tube of an alfalfa hybrid breeding pollination device proposed by the present invention; Fig.12The present invention provides a schematic diagram of the structure of a stirring rod and a diversion mechanism of an alfalfa hybrid breeding pollination device.

[0017] In the figure: 1. adapter plate; 2. blower; 3. first protective cover; 4. powder box; 5. guide tube; 6. flexible air pipe; 7. second protective cover; 8. powder spraying tube; 9. first piston block; 10. support rod; 11. clamping rod; 12. clamping pad; 13. powder collecting funnel; 14. collecting cylinder; 15. inspection cover; 16. micro motor; 17. electric telescopic rod; 18. slider; 19. stirring rod; 20. first transmission shaft; 21. battery; 22. electric heating Hot rod; 23, diverter plate; 24, switch plate; 25, second transmission shaft; 26, second piston block; 27, air cover; 28, first gear; 29, arc-shaped rack; 30, second gear; 31, third gear; 32, first rack; 33, second rack; 34, third rack; 35, fourth rack; 36, fourth gear; 37, first slide; 38, second slide; 39, pressure sensor; 40, powder collecting chamber; 41, heat dissipation window; 42, air hole. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Reference Figure 1-Figure 12A pollination device for hybrid breeding of alfalfa, comprising an adapter plate 1 and a support rod 10 rotatably mounted at the bottom of the adapter plate 1, and also comprising a clamping mechanism, wherein the clamping mechanism is provided with two and symmetrically arranged at one end of the support rod 10 away from the adapter plate 1, a second protective cover 7, the second protective cover 7 is fixedly mounted on the top of the support rod 10, a powder box 4 is fixedly mounted on the top of the second protective cover 7, a guide tube 5 for pollen circulation is fixedly mounted on the bottom of the powder box 4, the bottom of the powder box 4 is a funnel-shaped structure, and a diversion mechanism is arranged inside the powder box 4 and the guide tube 5, and the diversion mechanism is used to control the pollen The recycling mechanism is arranged at the end and bottom of the support rod 10 close to the clamping mechanism, and the recycling mechanism is used to recycle the excess pollen sprayed. The transmission mechanism is arranged in the second protective cover 7, and the transmission mechanism is used to drive the linkage between the clamping mechanism, the diverter mechanism and the recycling mechanism. The diverter mechanism of the present invention can prevent the external airflow from contacting the pollen in the powder box 4 during the pollination process, effectively avoiding the moisture and agglomeration of the pollen in the powder box 4, thereby affecting the uniformity of pollen spraying and improving the utilization rate of the pollen.

[0022] In this embodiment, the diverter mechanism includes a diverter plate 23, a switch plate 24 and a second piston block 26. The surface of the diverter plate 23 is uniformly provided with a plurality of feeding holes in a circumferential manner. The diverter plate 23 is fixedly installed in the powder box 4. A second transmission shaft 25 is rotatably installed at the bottom center of the diverter plate 23. The switch plate 24 is fixedly sleeved on the surface of the second transmission shaft 25 and the top is against the bottom of the diverter plate 23. A plurality of through holes adapted to the feeding holes are opened on the surface of the switch plate 24. The arc edges around the diverter plate 23 and the switch plate 24 are against the inner wall of the powder box 4. A first gear 28 is fixedly installed at the bottom end of the second transmission shaft 25. The first gear 28 is rotatably installed on the top of the support rod 10. The second piston block 26 is arranged in the guide tube 5 and is slidably sleeved on the second transmission shaft 25. On the surface of the transmission shaft 25, the second piston block 26 is in a cylindrical structure and is against the inner wall of the guide tube 5. An air hood 27 is fixedly installed at the bottom of one end of the guide tube 5 near the powder box 4. A plurality of air holes 42 are provided on the surface of the guide tube 5 near the air hood 27. A flexible air pipe 6 is fixedly installed on the surface of the air hood 27. A blower 2 is fixedly installed on the top of the adapter plate 1. The air outlet end of the blower 2 is fixedly connected to the other end of the flexible air pipe 6. A stirring rod 19 is rotatably installed at the center of the top of the diverter plate 23. The bottom end of the stirring rod 19 is fixedly installed at the rotation center of the top end of the second transmission shaft 25 through a connecting shaft. A powder spraying tube 8 in an inverted T-shaped structure is fixedly installed on the other end of the guide tube 5. A first piston block 9 matching the inner diameter of the powder spraying tube 8 is slidably installed in the powder spraying tube 8.

[0023] During use, by setting a diversion mechanism, when the device is aimed at the plant to be pollinated and clamped and fixed, the second transmission shaft 25 rotates, and the second transmission shaft 25 drives the switch plate 24 to rotate, so that the through holes on its surface are connected with the discharge holes on the surface of the diverter plate 23, so that the pollen in the powder box 4 enters the guide tube 5. When the clamping mechanism releases the plant, the switch plate 24 rotates a certain angle to block the multiple discharge holes of the diverter plate 23 to prevent the pollen from falling. After the clamping mechanism clamps the plant, the blower 2 is started to blow the airflow into the guide tube 5. First, the second piston block 26 is blown upward to block the pollen in the powder box 4 from falling, and then the pollen in the guide tube 5 is blown into the powder spraying tube 8, and then blown to the plant to be pollinated. During the pollination process, the external airflow does not contact the pollen in the powder box 4, which effectively avoids the moisture and agglomeration of the pollen in the powder box 4, thereby affecting the uniformity of pollen spraying and improving the utilization rate of the pollen.

[0024] In this embodiment, the transmission mechanism includes a slider 18, the slider 18 is a T-shaped structure, a device cavity is opened at the bottom of the support rod 10, and a first slide groove 37 adapted to the slider 18 is opened at the top of the support rod 10. The first slide groove 37 is connected to the device cavity. The first rack 32, the second rack 33 and the third rack 34 are fixedly installed on one side of the slider 18 in sequence, and the fourth rack 35 is fixedly installed on the other side of the slider 18. The top of the slider 18 is fixedly installed with one end of the first piston block 9 through a connecting shaft, and the fourth rack 35 is meshed with the first gear 28. A micro motor 16 and an electric telescopic rod 17 are fixedly installed in the device cavity, and the electric telescopic rod 17 is telescopic. The end is fixedly installed on one side of the slider 18, an arc-shaped protrusion is provided on the top of the support rod 10, and a second slide groove 38 adapted to the arc-shaped protrusion and penetrating the outer surface of the adapter plate 1 is opened on the top of the adapter plate 1. The arc-shaped protrusion is slidably installed in the second slide groove 38, and the second gear 30 is rotatably installed on the top of the arc-shaped protrusion. The output end of the micro motor 16 passes through the outer surface of the support rod 10 and is fixedly installed with the rotation center of the bottom of the second gear 30. An arc-shaped rack 29 meshing with the second gear 30 is fixedly installed on one side of the top of the adapter plate 1. The top fixed cover of the adapter plate 1 is connected to the first protective cover 3, and the bottom of the support rod 10 is hinged with an inspection cover 15 for closing the equipment cavity.

[0025] When in use, by setting the first piston block 9, when the powder spraying tube 8 completes powder spraying, the two holding rods release the plant, and the slider 18 drives the first piston block 9 to block the connection between the guide tube 5 and the powder spraying tube 8 and push the pollen remaining in the powder spraying tube 8 out of the powder spraying tube 8, and then falls into the powder collecting funnel 13, and falls into the collecting cylinder 14 through the powder collecting funnel 13 for centralized collection. The pollen collecting funnel 13 can also collect the excess pollen sprayed together, and then temporarily store it in the collecting cylinder 14, avoiding pollen waste; the first protective cover 3 and the second protective cover are set The protective cover 7 can protect the transmission mechanism and the parts for fine-tuning the angle of the driving support rod 10, reduce the dust pollution that affects the service life of the parts, and avoid personal injury. The second gear 30 is driven to rotate by the micro motor 16, and the second gear 30 is engaged with the fixedly installed arc-shaped rack 29. Then, under the reverse force, the support rod 10 can rotate a certain angle at the bottom of the adapter plate 1, thereby achieving fine-tuning of the clamping angle and the powder spraying angle, improving the accuracy of the pollination of the equipment, thereby improving the utilization rate of the pollen and avoiding waste.

[0026] In this embodiment, the clamping mechanism includes a gripping rod 11 and a gripping pad 12, a pressure sensor 39 and a plurality of springs are fixedly installed between the gripping pad 12 and the gripping rod 11, the pressure sensor 39 is fixedly installed on the surface of the gripping rod 11, and both ends of each spring are fixedly installed on the surfaces of the gripping rod 11 and the gripping pad 12, respectively. A groove matching the swing trajectory of the gripping rod 11 is provided at the end of the support rod 10, and the gripping rod 11 is rotatably installed in the groove. Two fourth gears 36 are symmetrically installed on the top of the support rod 10, and the bottom centers of the two fourth gears 36 are fixedly installed with the top rotation centers of the two gripping rods 11 through connecting shafts, and the two fourth gears 36 are respectively meshed with the first rack 32 and the third rack 34, and the recovery mechanism includes a powder collecting funnel 13 and a collecting barrel 14, and a powder collecting chamber 40 is provided at the bottom of the support rod 10. Two heat dissipation windows 41 connected with the two grooves are symmetrically opened in the powder collecting chamber 40. The top of the collecting cylinder 14 is an open structure and is threadedly connected to the powder collecting chamber 40. The powder collecting funnel 13 is fixedly installed on the outer surface of the support rod 10. A drainage pipe is provided at the bottom of the powder collecting funnel 13. The drainage pipe obliquely passes through the outer surface of the support rod 10 to the top of the collecting cylinder 14. A first transmission shaft 20 is rotatably installed on the top of the powder collecting chamber 40. A plurality of electric heating rods 22 are fixedly installed on the surface of the first transmission shaft 20. The interior of the first transmission shaft 20 is a hollow structure. A battery 21 for powering the electric heating rods 22 is fixedly embedded in the first transmission shaft 20. A third gear 31 meshing with the second rack 33 is rotatably installed on the top of the support rod 10. The top of the first transmission shaft 20 passes through the outer surface of the support rod 10 and is fixedly installed with the rotation center of the bottom of the third gear 31.

[0027] When in use, by setting the first transmission shaft 20 and multiple electric heating rods 22 on its surface, the two clamping rods 11 are clamped and released by the reciprocating sliding of the slider 18. When the slider 18 slides toward the adapter plate 1, the slider 18 can drive the first rack 32 and the third rack 34 to engage with the two fourth gears 36 respectively to rotate, thereby driving the two clamping rods 11 to rotate, and then driving the two clamping pads 12 to approach each other to clamp the plant. As the slider 18 drives the second rack 33 to slide back and forth, the second rack 33 drives the third gear 31 to rotate, and the third gear 31 drives the first transmission shaft 20 to rotate, thereby driving the multiple energized electric heating rods 22 to stir in the collecting tube 14, and heat the damp pollen, dry it, so that it can be used as spare pollen for plant pollination, thereby improving the utilization rate of pollen.

[0028] A method for using an alfalfa hybrid breeding pollination device comprises the following steps: S1: First, the device is installed on the robot arm through the adapter plate 1, and then the pollen to be pollinated is filled into the powder box 4, and then the robot arm is controlled to move to the side of the plant to be pollinated; S2: Start the electric telescopic rod 17 to pull the slider 18, the slider 18 drives the first rack 32, the second rack 33, the third rack 34 and the fourth rack 35 to slide away from the clamping rod 11, the first rack 32 and the third rack 34 simultaneously drive the two fourth gears 36 to rotate, and then drive the two clamping rods 11 to rotate, the two clamping rods 11 drive the two clamping pads 12 to gradually move closer, and the pressure sensor 39 is used to determine whether the plant is clamped and fixed; S3: During the process of clamping the plant, the fourth rack 35 drives the first gear 28 to rotate, the first gear 28 drives the second transmission shaft 25 to rotate, and the second transmission shaft 25 drives the switch plate 24 to rotate, so that the through holes on its surface are gradually aligned with the feeding holes of the diverter plate 23, so that the pollen falls into the guide tube 5, and the slider 18 moves to drive the first piston block 9 to slide toward the powder box 4, so that the connection between the guide tube 5 and the powder spraying tube 8 is unblocked; S4: Then start the blower 2 to pump the airflow into the air hood 27 through the flexible air pipe 6, and then enter the guide tube 5 from below the second piston block 26, and blow the second piston block 26 upward to block the passage to prevent the pollen from continuing to enter the guide tube 5, and at the same time make the airflow not contact the pollen in the powder box 4, and then the airflow blows the pollen in the guide tube 5 into the powder spraying tube 8 and then sprays it into the fixed plant buds; S5: Finally, the electric telescopic rod 17 drives the slider 18 to reset, and the slider 18 drives the first piston block 9 to push the pollen remaining in the powder spraying tube 8 out of the powder spraying tube 8 and drop it into the powder collecting funnel 13, and then enter the collecting tube 14 for temporary storage. During the reciprocating sliding process of the slider 18, the second rack 33 drives the third gear 31 to rotate, and the third gear 31 drives the first transmission shaft 20 to rotate, thereby driving the multiple heating rods 22 that are heating up to stir the collected pollen to prevent it from getting damp and agglomerating. At the same time, the rotation process of the second transmission shaft 25 also drives the stirring rod 19 to stir the pollen in the powder box 4 so that it can be evenly discharged.

[0029] The above shows and describes the basic principles and main features of the present invention and the 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 to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An alfalfa hybrid breeding pollination device, comprising an adapter plate (1) and a support rod (10) rotatably mounted on the bottom of the adapter plate (1), characterized in that: Also includes: A clamping mechanism, wherein two clamping mechanisms are provided and are symmetrically arranged at one end of the support rod (10) away from the adapter plate (1); a second protective cover (7), the second protective cover (7) being fixedly mounted on the top of the support rod (10), a powder box (4) being fixedly mounted on the top of the second protective cover (7), a guide tube (5) for pollen circulation being fixedly mounted on the bottom end of the powder box (4), and the bottom of the powder box (4) being a funnel-shaped structure; A diversion mechanism, the diversion mechanism being arranged inside the powder box (4) and the guide tube (5), the diversion mechanism being used to control the release of pollen and to prevent the pollen in the powder box (4) from contacting a large area with the outside air; A recovery mechanism, the recovery mechanism being arranged at the end and the bottom of the support rod (10) close to the clamping mechanism, and the recovery mechanism being used to recover excess pollen sprayed; A transmission mechanism, the transmission mechanism is arranged in the second protective cover (7), and the transmission mechanism is used to drive the linkage between the clamping mechanism, the diversion mechanism and the recovery mechanism.

2. The alfalfa hybrid breeding pollination device according to claim 1, characterized in that: The flow dividing mechanism comprises a flow dividing plate (23), a switch plate (24) and a second piston block (26); a plurality of material discharge holes are uniformly provided on the surface of the flow dividing plate (23) in a circumferential manner; the flow dividing plate (23) is fixedly installed in the powder box (4); a second transmission shaft (25) is rotatably installed at the center of the bottom of the flow dividing plate (23); the switch plate (24) is fixedly sleeved on the surface of the second transmission shaft (25) and the top thereof abuts against the bottom of the flow dividing plate (23); and a plurality of through holes matching the material discharge holes are provided on the surface of the switch plate (24).

3. The alfalfa hybrid breeding pollination device according to claim 2, characterized in that: The arc edges of the diverter plate (23) and the switch plate (24) are all in contact with the inner wall of the powder box (4); a first gear (28) is fixedly mounted on the bottom end of the second transmission shaft (25); the first gear (28) is rotatably mounted on the top of the support rod (10); the second piston block (26) is disposed in the guide tube (5) and is slidably sleeved on the surface of the second transmission shaft (25); the second piston block (26) is in a cylindrical structure and is in contact with the inner wall of the guide tube (5).

4. The alfalfa hybrid breeding pollination device according to claim 3, characterized in that: An air hood (27) is fixedly mounted on the bottom of one end of the guide tube (5) close to the powder box (4); a plurality of air holes (42) are provided on the surface of the guide tube (5) close to the air hood (27); a flexible air pipe (6) is fixedly mounted on the surface of the air hood (27); a blower (2) is fixedly mounted on the top of the adapter plate (1); an air outlet end of the blower (2) is fixedly connected to the other end of the flexible air pipe (6); a stirring rod (19) is rotatably mounted on the center of the top of the diverter plate (23); the bottom end of the stirring rod (19) is fixedly mounted on the top rotation center of the second transmission shaft (25) via a connecting shaft; a powder spraying tube (8) in an inverted T-shaped structure is fixedly mounted on the other end of the guide tube (5); a first piston block (9) adapted to the inner diameter of the powder spraying tube (8) is slidably mounted in the powder spraying tube (8).

5. The alfalfa hybrid breeding pollination device according to claim 4, characterized in that: The transmission mechanism comprises a slider (18), the slider (18) is in a T-shaped structure, a device cavity is provided at the bottom of the support rod (10), a first slide groove (37) adapted to the slider (18) is provided at the top of the support rod (10), the first slide groove (37) is communicated with the device cavity, a first rack (32), a second rack (33) and a third rack (34) are fixedly mounted on one side of the slider (18) in sequence, a fourth rack (35) is fixedly mounted on the other side of the slider (18), the top of the slider (18) is fixedly mounted to one end of the first piston block (9) via a connecting shaft, and the fourth rack (35) is meshed with the first gear (28).

6. The alfalfa hybrid breeding pollination device according to claim 5, characterized in that: A micro motor (16) and an electric telescopic rod (17) are fixedly installed in the equipment cavity. The telescopic end of the electric telescopic rod (17) is fixedly installed on one side of the slider (18). An arc-shaped protrusion is provided on the top of the support rod (10). A second slide groove (38) adapted to the arc-shaped protrusion and penetrating the outer surface of the adapter plate (1) is opened on the top of the adapter plate (1). The arc-shaped protrusion is slidably installed in the second slide groove (38). A second gear (30) is rotatably installed on the top of the arc-shaped protrusion. The output end of the micro motor (16) passes through the outer surface of the support rod (10) and is fixedly installed at the bottom rotation center of the second gear (30). An arc-shaped rack (29) meshing with the second gear (30) is fixedly installed on one side of the top of the adapter plate (1). The top fixed cover of the adapter plate (1) is connected to a first protective cover (3). The bottom of the support rod (10) is hinged with an inspection cover (15) for closing the equipment cavity.

7. The alfalfa hybrid breeding pollination device according to claim 1, characterized in that: The clamping mechanism comprises a gripping rod (11) and a gripping pad (12); a pressure sensor (39) and a plurality of springs are fixedly mounted between the gripping pad (12) and the gripping rod (11); the pressure sensor (39) is fixedly mounted on the surface of the gripping rod (11); both ends of each spring are respectively fixedly mounted on the surfaces of the gripping rod (11) and the gripping pad (12); a groove matching the swing trajectory of the gripping rod (11) is formed at the end of the support rod (10); and the gripping rod (11) is rotatably mounted in the groove.

8. The alfalfa hybrid breeding pollination device according to claim 7, characterized in that: Two fourth gears (36) are symmetrically mounted on the top of the support rod (10), and the bottom centers of the two fourth gears (36) are fixedly mounted to the top rotation centers of the two clamping rods (11) via connecting shafts. The two fourth gears (36) are respectively meshed with the first rack (32) and the third rack (34).

9. The alfalfa hybrid breeding pollination device according to claim 1, characterized in that: The recycling mechanism comprises a powder collecting funnel (13) and a collecting barrel (14); a powder collecting chamber (40) is provided at the bottom of the support rod (10); two heat dissipation windows (41) are symmetrically provided in the powder collecting chamber (40) and are connected to the two grooves; the top of the collecting barrel (14) is an open structure and is threadedly connected to the powder collecting chamber (40); the powder collecting funnel (13) is fixedly mounted on the outer surface of the support rod (10); a drainage pipe is provided at the bottom of the powder collecting funnel (13); the drainage pipe obliquely passes through the outer surface of the support rod (10) to the top of the collecting barrel (14); the powder collecting chamber A first transmission shaft (20) is rotatably mounted on the top of the support rod (40), a plurality of electric heating rods (22) are fixedly mounted on the surface of the first transmission shaft (20), the first transmission shaft (20) is hollow in structure, a storage battery (21) for energizing the electric heating rods (22) is fixedly embedded in the first transmission shaft (20), a third gear (31) meshing with the second rack (33) is rotatably mounted on the top of the support rod (10), the top end of the first transmission shaft (20) passes through the outer surface of the support rod (10) and is fixedly mounted on the bottom rotation center of the third gear (31).

10. A method for using a pollination device for alfalfa hybrid breeding, characterized in that: The alfalfa hybrid breeding pollination device according to any one of claims 1 to 9 comprises the following steps: S1: First, the device is mounted on the robotic arm via the adapter plate (1), and then the pollen to be pollinated is filled into the pollen box (4), and then the robotic arm is controlled to move next to the plant to be pollinated; S2: starting the electric telescopic rod (17) to pull the slider (18), the slider (18) drives the first rack (32), the second rack (33), the third rack (34) and the fourth rack (35) to slide in a direction away from the clamping rod (11), the first rack (32) and the third rack (34) simultaneously drive the two fourth gears (36) to rotate, thereby driving the two clamping rods (11) to rotate, the two clamping rods (11) drive the two clamping pads (12) to gradually move closer, and judge whether the plant is clamped and fixed by the pressure sensor (39); S3: During the process of clamping the plant, the fourth rack (35) drives the first gear (28) to rotate, the first gear (28) drives the second transmission shaft (25) to rotate, the second transmission shaft (25) drives the switch plate (24) to rotate, and the through holes on its surface gradually align with the discharge holes of the diverter plate (23), so that the pollen falls into the guide tube (5), and the slider (18) moves to drive the first piston block (9) to slide toward the powder box (4), so that the connection between the guide tube (5) and the powder spraying tube (8) is unblocked; S4: Then, the blower (2) is started to pump the airflow through the flexible air pipe (6) into the air hood (27), and then the airflow enters the guide tube (5) from below the second piston block (26), and the second piston block (26) is blown upward to block the passage and prevent the pollen from continuing to enter the guide tube (5). At the same time, the airflow does not contact the pollen in the powder box (4), and then the airflow blows the pollen in the guide tube (5) into the powder spraying tube (8) and then sprays it into the fixed plant buds; S5: Finally, the electric telescopic rod (17) drives the slider (18) to reset, and the slider (18) drives the first piston block (9) to push the pollen remaining in the powder spraying tube (8) out of the powder spraying tube (8) and into the powder collecting funnel (13), and then enters the collecting tube (14) for temporary storage. During the reciprocating sliding process of the slider (18), the second rack (33) drives the third gear (31) to rotate, and the third gear (31) drives the first transmission shaft (20) to rotate, thereby driving the multiple electric heating rods (22) that are heating to stir the collected pollen to prevent it from getting damp and agglomerating. At the same time, the rotation process of the second transmission shaft (25) also drives the stirring rod (19) to stir the pollen in the powder box (4) so ​​that it can be evenly discharged.

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