Intelligent centrifugal seeder

By utilizing the difference in seed gravity, intelligent centrifugal seeders can achieve regular sowing of wheat and beans, solving the problems of irregular sowing and inconvenient harvesting in existing technologies, and improving planting efficiency and harvesting convenience.

CN120615441BActive Publication Date: 2026-05-01JILIN HONGPENG AGRI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JILIN HONGPENG AGRI TECH CO LTD
Filing Date
2025-08-10
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing mechanical seeders cannot achieve strip planting of wheat and beans, and traditional synchronous strip seeders are poorly adapted to heavy bean varieties, have high energy consumption, complex structure and high cost, resulting in irregular planting and inconvenient subsequent harvesting.

Method used

Using an intelligent centrifugal seeder, wheat and bean seeds are centrifugally sown into different areas by utilizing the difference in seed gravity through a combination of a cone, side plates, and extension plates, forming a regular distribution of wheat on the left, beans in the middle, and wheat on the right.

Benefits of technology

It achieves a regular distribution of wheat and beans in the same field, improves planting efficiency by utilizing the interaction between plants, reduces fertilizer use, facilitates harvesting, and reduces seed breakage and blockage rates.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application belongs to the technical field of agricultural equipment, and particularly relates to an intelligent centrifugal seeder, which comprises a fixing sleeve, an adding pipe rotatably connected to the fixing sleeve, a vertical rod connected to the lower side of the adding pipe, a conical frustum connected to the vertical rod, a rotating pipe fixedly connected to the lower side of the conical frustum, an inner centrifugal chassis fixedly connected to the lower side of the rotating pipe, a middle centrifugal chassis fixedly connected to the inner centrifugal chassis, an outer centrifugal chassis fixedly connected to the middle centrifugal chassis, a plurality of side plates fixedly connected to the rotating pipe, an extension plate connected to each side plate, a cylindrical rod fixedly connected to each extension plate, a sleeve ring rotatably connected to the adding pipe, a plurality of poking groove rods fixedly connected to the sleeve ring, the plurality of poking groove rods being sleeved on the plurality of cylindrical rods, and an oblique guide groove being formed in each extension plate. The intelligent centrifugal seeder can plant beans and wheat in intercropping, guarantees the planting effect, and is convenient for harvesting.
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Description

A smart centrifugal seeder Technical Field

[0001] This invention belongs to the field of agricultural equipment technology, and in particular relates to an intelligent centrifugal seeder. Background Technology

[0002] Intercropping wheat and legumes is a core model of modern agriculture: the nitrogen-fixing function of legume roots can provide natural nitrogen fertilizer for wheat, reducing the amount of chemical fertilizer used. At the same time, tall legumes and short wheat form a staggered growth structure, which improves the photosynthetic efficiency of the group. Although intercropping has the above advantages, if wheat and legumes are completely mixed, it will cause great inconvenience in the subsequent harvesting process. Therefore, it is necessary to ensure the regularity of planting.

[0003] Meanwhile, traditional mechanical seeders only support single-seed sowing and cannot achieve dual-crop strip distribution. Further existing technologies include synchronous strip seeders, which can complete dual-crop sowing in a single pass, but rely on pneumatic adsorption, have poor adaptability to heavy bean seeds, high energy consumption, and complex structure and high cost. Centrifugal sowing, which uses the different weights of different seeds to throw the seeds to different distances, can effectively avoid the above problems. Summary of the Invention

[0004] In view of this, the technical problem to be solved by the present invention is to provide an intelligent centrifugal seeder that can neatly intercrop beans and wheat, ensuring planting effect and facilitating harvesting.

[0005] An intelligent centrifugal seeder includes a fixed sleeve, an adding tube rotatably connected to the fixed sleeve, a vertical rod connected to the lower side of the adding tube, a truncated cone connected to the vertical rod, a rotating tube fixed to the lower side of the truncated cone, an inner centrifugal base plate fixed to the lower side of the rotating tube, a middle centrifugal base plate fixed to the inner centrifugal base plate, an outer centrifugal base plate fixed to the middle centrifugal base plate, and multiple side plates fixed to the rotating tube, each side plate being connected to an extension plate.

[0006] Each of the extension plates is fixedly connected to a cylindrical rod, and a collar is rotatably connected to the adding tube. Multiple actuating groove rods are fixedly connected to the collar, and the multiple actuating groove rods are respectively sleeved on the multiple cylindrical rods.

[0007] Each of the extension plates is provided with an oblique guide groove.

[0008] Each of the aforementioned extension plates is fixedly attached to an auxiliary plate.

[0009] The beneficial effects of this equipment are:

[0010] This method allows wheat and legume seeds to be planted in the same field, improving planting efficiency through the interaction between plants and reducing fertilizer usage. It also ensures that wheat and legume seeds are neatly distributed in the same field, forming multiple planting areas with wheat on the left, legumes in the middle, and wheat on the right, which facilitates subsequent harvesting. Attached Figure Description

[0011] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0012] Figures 1 and 2 are schematic diagrams of the overall structure of an intelligent centrifugal seeder;

[0013] Figure 3 is a schematic diagram of the added tube structure;

[0014] Figure 4 is a schematic diagram of the fixed sleeve;

[0015] Figure 5 is a schematic diagram of the rotating tube;

[0016] Figure 6 is a schematic diagram of the extension plate;

[0017] Figure 7 is a schematic diagram of the moving frame;

[0018] Figure 8 is a schematic diagram of the connecting ring;

[0019] Figure 9 is a structural schematic diagram of the L-shaped rod;

[0020] Figure 10 is a schematic diagram of the cone-shaped section. Detailed Implementation

[0021] A smart centrifugal seeder includes a fixed sleeve 101, an adding tube 102 rotatably connected to the fixed sleeve 101, a vertical rod connected to the lower side of the adding tube 102, a cone 302 connected to the vertical rod, a rotating tube 301 fixed to the lower side of the cone 302, an inner centrifugal base 401 fixed to the lower side of the rotating tube 301, a middle centrifugal base 402 fixed to the inner centrifugal base 401, an outer centrifugal base 403 fixed to the middle centrifugal base 402, and multiple side plates 501 fixed to the rotating tube 301, each side plate 501 being connected to an extension plate 502.

[0022] The fixing sleeve 101 is connected to a carrier that can move the fixing sleeve 101 by screwing bolts into the fixing sleeve 101. Other agricultural machinery that can turn over and bury the soil to provide a suitable environment for subsequent sowing is connected to the carrier. Such machinery has been widely used in reality and will not be described in detail here.

[0023] Wheat seeds are gradually added to the adding tube 102 using a container with an intermittently opening opening powered by a self-contained power source. The adding tube 102 guides the wheat seeds, causing them to fall gradually onto the cone 302. Subsequently, the wheat seeds fall along the cone 302 into the space between multiple side plates 501. The cone 302 pre-distributes the seeds to prevent congestion caused by concentrated falling. During this process, the adding tube 102 rotates continuously on the fixed sleeve 101, which in turn drives the vertical rod, which in turn drives the cone 302. This causes the cone 302, rotating tube 301, side plates 501, extension plates 502, inner centrifugal base 401, middle centrifugal base 402, and outer centrifugal base to move together. All 403 are continuously rotating. When the wheat seeds fall between the multiple side plates 501, the continuous rotation of the rotating tube 301 will cause the wheat seeds to be gradually subjected to centrifugal force. At this time, because the wheat seeds are relatively light and have low inertia, the centrifugal force will be strong, so that the seeds can slide along the multiple side plates 501. After sliding to the farthest distance of the multiple extension plates 502, they can be gradually guided by the multiple extension plates 502. Finally, they will gradually fall from the slot space between the central centrifugal base plate 402 and the outer centrifugal base plate 403, so that the wheat seeds can be planted in an area far away from the center of the adding tube 102 during centrifugal sowing.

[0024] When it is time to plant legumes, the vehicle is moved along the previously traveled path again. At this time, legume seeds are gradually added into the adding tube 102. Then, the above rotation process is repeated to perform centrifugal sowing. During the centrifugal sowing process, due to the heavy weight of the legume seeds, the inertia is large, resulting in a weak centrifugal effect. At the same time, due to the obstruction of multiple inclined extension plates 502, the legume seeds cannot slide a long distance. The legume seeds will fall along the slot space between the central centrifugal base 402 and the inner centrifugal base 401. Thus, during centrifugal sowing, the legume seeds can be planted in an area closer to the center of the adding tube 102. The extension plates 502 restrict the sliding range of the seeds to ensure that the heavy legume seeds will not overflow due to inertia.

[0025] This system allows for the planting of wheat and legume seeds in the same plot of land, thereby improving planting efficiency through plant interactions and reducing fertilizer usage. It ensures that wheat and legume seeds are neatly distributed within the same plot, forming multiple planting zones: wheat on the left, legumes in the middle, and wheat on the right. This facilitates subsequent harvesting. The nitrogen-fixing function of legumes provides nitrogen for wheat, reducing chemical fertilizer use. The staggered growth of tall legumes and short wheat improves the overall photosynthetic efficiency. Furthermore, due to centrifugal sowing, a reserved space exists between the legumes directly beneath the inner centrifugal tray 401. This space can be used to lay drip irrigation tape for integrated water and fertilizer management. This ensures both the natural interaction between plants and facilitates subsequent harvesting operations.

[0026] Each of the extension plates 502 is fixedly connected to a cylindrical rod 503, and a collar 201 is rotatably connected to the adding tube 102. Multiple actuating groove rods 202 are fixedly connected to the collar 201, and the multiple actuating groove rods 202 are respectively sleeved on the multiple cylindrical rods 503.

[0027] During wheat sowing, the collar 201 can be rotated on the adding tube 102 according to the type of wheat seeds or the degree of weight increase caused by the moisture of the wheat seeds. This causes the collar 201 to drive multiple actuating rods 202 to rotate, which in turn causes multiple extension plates 502 to rotate on multiple side plates 501. This changes the tilt angle of the multiple extension plates 502, thereby increasing or decreasing the guiding resistance encountered by the wheat seeds during centrifugal sowing. This allows for the selection of an appropriate force between low resistance to ensure smooth seed sliding and high resistance to reduce seed collision energy and lower wheat breakage rate, thus facilitating actual sowing.

[0028] During the sowing of legume seeds, the angle between multiple extension plates 502 and side plates 501 can be gradually reduced by rotating the operating ring 201 on the adding tube 102 until the multiple extension plates 502 are interlocked, thereby preventing legume seeds from entering the slot space between the central centrifugal base 402 and the inner centrifugal base 401, and further ensuring the sowing effect of the subsequent regular area.

[0029] Each of the extension plates 502 is provided with an oblique guide groove 504.

[0030] When wheat seeds are centrifuged onto the extension plate 502, as the wheat seeds continue to move forward, they are gradually guided by the inclined guide groove 504. The furthest distance that the wheat seeds can move through the inclined guide groove 504 is the furthest and lowest position of the extension plate 502. The wheat seeds will then fall out from this position, thus ensuring that the wheat seeds do not have too far a centrifugal distance or too high an throwing angle, further ensuring the subsequent sowing effect of the regular area.

[0031] The collision process between the seed and the inclined guide groove 504 consumes some kinetic energy and reduces the bounce height. The inclined guide groove 504 can reduce the seed launch angle and prevent the seed from flying out of the predetermined sowing zone. That is, the inclined guide groove ensures that the wheat seeds fall strictly between the middle centrifugal base 402 and the outer centrifugal base 403, reduces the lateral error of the landing point, and ensures that the wheat and the inner circle of the bean sowing can form a stable bandwidth to meet the passage requirements of the combine harvester's zone operation.

[0032] An auxiliary plate 505 is fixedly attached to each of the extension plates 502.

[0033] The auxiliary plate 505 can block the farthest and lowest position of the extension plate 502, so that the wheat seeds can be blocked by the auxiliary plate 505 after reaching the position, thus falling smoothly from the position, further preventing the wheat seeds from being too far away and ensuring a neat and orderly sowing effect.

[0034] The rotating tube 301 is hollow and has multiple through holes.

[0035] A gas-inlet hose is connected to the lower side of the inner centrifuge chassis 401 and inserted into the rotating tube 301. During centrifugation, gas is introduced into the rotating tube 301 through the hose, and then the gas is ejected from multiple through holes. This blows the beans that are too large or too heavy to move smoothly by centrifugal force alone, allowing the beans to fall smoothly through the slot space between the inner centrifuge chassis 401 and the middle centrifuge chassis 402, ensuring that the sowing operation proceeds normally. At the same time, intermittent high-pressure airflow can be used to impact the seed clumps, thereby further reducing the blockage rate.

[0036] Meanwhile, when there are many steep slopes, the density of the through holes on the lower side of the rotating tube 301 is increased to counteract the seed accumulation caused by the component of gravity.

[0037] The centrifugal base plate 402 is provided with a conical section 404, which gradually decreases in height from the outside to the inside.

[0038] The connection threaded hole 405 allows the addition tube 102 to be stopped periodically during centrifugal sowing of beans. At this time, the beans that have been centrifuged too far and have fallen onto the middle centrifugal base 402 will slide along the conical surface 404 into the slot space between the inner centrifugal base 401 and the middle centrifugal base 402, thus smoothly entering the predetermined sowing space for sowing, further ensuring the smooth progress of the sowing operation.

[0039] The central centrifugal chassis 402 has multiple threaded holes 405.

[0040] When sowing wheat seeds, a cover plate can be connected to the lower side of the central centrifugal base 402 by screwing bolts into multiple threaded holes 405. This cover plate can then block the slot space between the inner centrifugal base 401 and the central centrifugal base 402, ensuring that the wheat seeds can pass smoothly through the slot space between the inner centrifugal base 401 and the central centrifugal base 402, thus providing a stable guarantee for subsequent regular area sowing operations.

[0041] It also includes a connecting ring 701 fixed to the upper side of multiple side plates 501, multiple longitudinal rods 702 fixed to the connecting ring 701, a movable frame 601 slidably connected between the multiple longitudinal rods 702, a baffle 602 fixed to the movable frame 601, a crossbar 603 fixed between the two longitudinal rods 702 located on the rear side of the multiple longitudinal rods 702, an L-shaped rod 606 fixed to the movable frame 601, a compression spring fixed between the L-shaped rod 606 and the crossbar 603, and the truncated cone 302 slidably connected to the vertical rod, and a tension spring fixed between the truncated cone 302 and the vertical rod.

[0042] Under normal conditions, the compression spring causes the baffle 602 to abut against the adding tube 102. During sowing, if a large number of seeds accumulate on the inner centrifugal base 401, the middle centrifugal base 402, and the outer centrifugal base 403, the cone 302 will slide downward on the vertical rod against the elastic force of the tension spring. When the cone 302 continues to move downward until the baffle 602 is misaligned with the adding tube 102, the maximum number of seeds that can be stored on the inner centrifugal base 401 is reached. At this time, the moving frame 601 will be subjected to the elastic force of the compression spring to slide the baffle 602 to block the underside of the adding tube 102, thereby stopping the seed adding operation of the adding tube 102. The adding tube 102 continues to rotate, so that the seeds stored on the inner centrifugal base 401 can be quickly thrown out without subsequent addition, thereby clearing the excessive accumulation of seeds and ensuring the stable operation of the equipment.

[0043] Furthermore, a displacement sensor can be connected to a longitudinal rod 702, and the moving end of the displacement sensor can be fixed to the moving frame 601. When the moving end of the displacement sensor moves, the displacement sensor receives a sliding signal from the moving frame 601 and can transmit the signal to the front device, thereby synchronously stopping the addition of seeds into the adding tube 102 and preventing the seeds from overflowing.

[0044] It also includes a T-shaped rod 604 fixed to the crossbar 603, a rectangular plate 605 slidably connected to the T-shaped rod 604, and an electric push rod that can push the rectangular plate 605 to slide fixed to the T-shaped rod 604.

[0045] When seed addition is stopped for a period of time, the rectangular plate 605 slides on the T-shaped rod 604, which in turn pushes the moving frame 601 to the left to overcome the compression spring. When the baffle 602 is completely misaligned with the adding tube 102, the tension spring will pull the cone 302 upward to reset, thus enabling subsequent seeding operations.

[0046] It also includes a connecting piece 104 fixed to the adding tube 102, a mating gear 106 connected to the connecting piece 104, the mating gear 106 being able to rotate about a virtual axis, a mating gear ring 105 and a driving gear ring 103 fixed to the adding tube 102, the mating gear 106 meshing with the mating gear ring 105, a motor A fixed to the connecting piece 104 capable of driving the mating gear 106 to rotate, a motor B fixed to the fixed sleeve 101, a driving gear fixed to the output shaft of the motor B, the driving gear meshing with the driving gear ring 103.

[0047] By starting motor B, the drive gear drives the drive gear ring 103 to rotate, which in turn causes the addition tube 102 to rotate, completing the subsequent centrifugal seeding operation. When it is necessary to adjust the tilt angle of multiple extension plates 502, motor A is turned, which drives the mating gear 106 to rotate, which in turn drives the mating gear ring 105 to rotate, which in turn causes the collar 201 to rotate, completing the subsequent effect of rotating multiple extension plates 502.

Claims

1. A smart centrifugal intercropping seeder for wheat and legumes, characterized in that, The device includes a fixed sleeve, an adding tube rotatably connected to the fixed sleeve, a vertical rod connected to the lower side of the adding tube, a truncated cone connected to the vertical rod, a rotating tube fixed to the lower side of the truncated cone, an inner centrifugal base fixed to the lower side of the rotating tube, a middle centrifugal base fixed to the inner centrifugal base, an outer centrifugal base fixed to the middle centrifugal base, multiple side plates fixed to the rotating tube, each side plate connected to an extension plate; a cylindrical rod fixed to each of the extension plates; a collar rotatably connected to the adding tube, multiple actuating groove rods fixed to the collar, and the multiple actuating groove rods respectively sleeved on the multiple cylindrical rods.

2. The intelligent centrifugal wheat and legume intercropping seeder according to claim 1, characterized in that, Each of the extension plates is provided with an oblique guide groove.

3. The intelligent centrifugal wheat and legume intercropping seeder according to claim 2, characterized in that, Each of the aforementioned extension plates is fixedly attached to an auxiliary plate.

4. The intelligent centrifugal wheat and legume intercropping seeder according to claim 3, characterized in that, The rotating tube is hollow and has multiple through holes.

5. The intelligent centrifugal wheat and legume intercropping seeder according to claim 4, characterized in that, The centrifugal chassis has a conical section that gradually decreases in elevation from the outside to the inside.

6. The intelligent centrifugal wheat and legume intercropping seeder according to claim 5, characterized in that, The central centrifugal chassis has multiple threaded holes for connection.

7. The intelligent centrifugal wheat and legume intercropping seeder according to claim 6, characterized in that, It also includes a connecting ring fixed to the upper side of multiple side plates, multiple longitudinal rods fixed to the connecting ring, a movable frame slidably connected between the multiple longitudinal rods, a baffle fixed to the movable frame, a crossbar fixed between the two longitudinal rods located on the rear side of the multiple longitudinal rods, an L-shaped rod fixed to the movable frame, a compression spring fixed between the L-shaped rod and the crossbar, and the truncated cone slidably connected to the vertical rod, with a tension spring fixed between the truncated cone and the vertical rod.

8. The intelligent centrifugal wheat and legume intercropping seeder according to claim 7, characterized in that, It also includes a T-shaped bar fixed to the crossbar, with a rectangular plate slidably connected to the T-shaped bar.

9. The intelligent centrifugal wheat and legume intercropping seeder according to claim 5, characterized in that, It also includes a connecting piece fixed to the adding tube, a mating gear connected to the connecting piece, the mating gear being able to rotate about a virtual axis, a mating gear ring and a driving gear ring fixed to the adding tube, the mating gear meshing with the mating gear ring.

Citation Information

Patent Citations

  • Vegetable seed broadcasting device

    CN110447363A

  • Perennial-mulching sustainable planting method based on winter wheat, spring corn and summer soybeans

    CN111345206A