Agricultural multifunctional seeding device

By designing a linkage between the seed box mixing component and the unblocking component, the problem of clogging of the seed metering device in hilly and mountainous areas was solved, enabling uninterrupted sowing and fertilization and reducing the cost of sowing operations.

CN120898587BActive Publication Date: 2025-12-12HUNAN ZHIBAOTANG TRADITIONAL CHINESE MEDICINE TECH CO LTD
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Patent Information

Application Number
CN202511438748.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-10-10
Publication Date
2025-12-12
Estimated Expiration
2045-10-10

AI Technical Summary

Technical Problem

Hilly and mountainous areas generally have heavy clay soil, which makes the seed metering device easy to get clogged. In addition, traditional declogging methods cannot determine whether the blockage is at the lower end or the feeding is interrupted when the seed metering device blockage signal is triggered.

Method used

A multifunctional agricultural seeding device was designed, comprising a seed box, a seeding component, a seed box mixing component, a dredging component, and a fertilizing component. Through the linkage of the seed box mixing component and the dredging component, the seed metering device can be effectively cleared when blocked, preventing interruption of material supply, and uninterrupted fertilization can be achieved through the spraying component.

Benefits of technology

It enables efficient clearing of seed metering devices in hilly and mountainous areas, preventing blockages, ensuring uninterrupted sowing and fertilization, and reducing sowing operation costs.

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Abstract

The present application relates to the technical field of agricultural seeding, and particularly relates to a multifunctional agricultural seeding device, which comprises a seed box, a seeding component, a seed box stirring component, a dredging component and a fertilizing component, the seed box is connected with the seeding component, the seed box stirring component comprises a rotating ring, an annular rack and a stirring rod, the rotating ring is slidingly connected with the seed box, the rotating ring is fixedly connected with the annular rack, and the rotating ring is fixedly connected with the stirring rod, the dredging component comprises a scraping ring, a dredging plug, a roller and a fixing rod, the scraping ring is hingedly connected with the dredging plug, the dredging plug is rotatably connected with the roller, and the fixing rod is fixedly connected with the scraping ring, the seed is sprayed by air blowing of the seeding component, when the seed metering device is blocked by clay, the blocked clay is pushed and pulled out by the dredging component, the seed box feeding is prevented from being interrupted by the seed box stirring component, the dredging efficiency is high, and the seed can be continuously seeded and fertilized, so that the seeding operation cost is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of agricultural seeding technology, in particular to a multifunctional agricultural seeding device. BACKGROUND

[0002] The most widely used and mature technology of the current pneumatic seed metering device is the air suction type seed metering device, which uses a fan to generate negative pressure (vacuum) on one side of the seed metering disc. The seed is adsorbed on the seed metering disc with small holes. With the rotation of the seed metering disc, the adsorbed seed is brought to the seed dropping area, where the negative pressure is cut off or eliminated, and the seed is separated from the seed metering disc under the action of gravity or seed scraper and falls into the seed furrow.

[0003] At present, the Chinese invention with the application number CN202410048717.7 discloses an agricultural machine for efficient seeding, which can ensure the planting depth and prevent the adhesion of seeds to the surface soil of the device during output by using the pneumatic method, and can realize batch seeding of crop planting with high seeding efficiency and good use effect.

[0004] However, there are heavy clay soils in hilly and mountainous areas, and the seed metering device is easily blocked by clay. Moreover, when the traditional unblocking method triggers the seed metering device blockage signal, it cannot determine whether the lower end is blocked or the feeding is interrupted. SUMMARY

[0005] The technical problem to be solved by the present application is that heavy clay soils are common in hilly and mountainous areas, and the seed metering device is easily blocked by clay. Moreover, when the traditional unblocking method triggers the seed metering device blockage signal, it cannot determine whether the lower end is blocked or the feeding is interrupted.

[0006] To solve the above technical problems, the present application provides the following technical scheme: a multifunctional agricultural seeding device, comprising a seed tank, a seeding component, a seed tank stirring component, a dredging component and a fertilizing component, the seed tank is connected to the seeding component;

[0007] The seed tank stirring component comprises a rotating ring, an annular rack and a stirring rod, the rotating ring is slidingly connected to the seed tank, the rotating ring is fixedly connected to the annular rack, and the rotating ring is fixedly connected to the stirring rod;

[0008] The dredging component comprises a scraper ring, a dredging plug, a roller and a fixed rod, the scraper ring is hingedly connected to the dredging plug, the dredging plug is fixedly connected to the roller, and the fixed rod is fixedly connected to the scraper ring;

[0009] The fertilizing component comprises a spraying assembly, and the spraying assembly is used for fertilizing.

[0010] As a preferred scheme of the agricultural multifunctional seeding device, the seeding component comprises an air suction seed metering device, an opener, a seed tube, a frame and a soil covering plate, the seed box is fixedly connected with the frame, the frame is fixedly connected with the soil covering plate, the air suction seed metering device is arranged on the frame, and the opener is boltedly connected with the seed tube.

[0011] As a preferred scheme of the agricultural multifunctional seeding device, the scraping ring is slidably connected with the seed tube, and the seed tube is provided with a sliding groove.

[0012] As a preferred scheme of the agricultural multifunctional seeding device, the driving assembly comprises a motor, a first rotating shaft, a cam, a first end surface ratchet wheel, a spline shaft, a second end surface ratchet wheel, a groove, a lever, a pneumatic cylinder, a first bevel gear, a second bevel gear, a second rotating shaft and a gear, the output shaft of the motor is rotationally connected, the output shaft of the motor is rotationally connected with the first rotating shaft, the first rotating shaft is fixedly connected with the cam, the first end surface ratchet wheel is fixedly connected with the first rotating shaft, the first end surface ratchet wheel is meshingly connected with the second end surface ratchet wheel, the second end surface ratchet wheel is fixedly connected with the groove, the second end surface ratchet wheel is key-connected with the spline shaft, the lever is engagedly connected with the groove, the pneumatic cylinder is fixedly connected with the lever, the first bevel gear is fixedly connected with the second end surface ratchet wheel, the first bevel gear is meshingly connected with the second bevel gear, the second bevel gear is fixedly connected with the second rotating shaft, the second rotating shaft is fixedly connected with the gear, and the gear is meshingly connected with the ring gear.

[0013] As a preferred scheme of the agricultural multifunctional seeding device, the driving assembly further comprises a groove cam, a lifting rod, a fixed plate and a guide rod, one end of the lifting rod is slidably connected with the groove cam, the other end of the lifting rod is fixedly connected with the fixed plate, and the first rotating shaft is rotationally connected with the fixed plate.

[0014] As a preferred scheme of the agricultural multifunctional seeding device, the spraying assembly comprises a lever, a spring, a pneumatic pump, a fertilizer water tank, a water conveying pipe and a spray head, the lever is fixedly connected with the piston rod of the pneumatic pump, the piston rod of the pneumatic pump is sleeved with the spring, one end of the pneumatic pump is connected with the fertilizer water tank, the other end of the pneumatic pump is connected with the water conveying pipe, and the water conveying pipe is fixedly connected with the spray head.

[0015] As a preferred scheme of the agricultural multifunctional seeding device, the spline shaft is provided with a connecting key.

[0016] As a preferred scheme of the agricultural multifunctional seeding device, the second end surface ratchet wheel is provided with a key groove.

[0017] As a preferred scheme of the agricultural multifunctional seeding device, the groove cam is provided with an annular sliding groove.

[0018] As a preferred scheme of the agricultural multifunctional seeding device, the fixed plate is provided with a through hole.

[0019] The present application has the advantages that the seeds are sprayed by the air blowing of the seeding component, the clay clogging the seed metering device is pushed out by the dredging component, the seed tank feeding is prevented from being interrupted by the seed tank stirring component, the dredging efficiency is high, and the uninterrupted seeding and fertilizing are realized, thereby reducing the seeding operation cost. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an overall structure schematic diagram of the agricultural multifunctional seeding device.

[0021] Figure 2 It is a seed tube structure schematic diagram of the agricultural multifunctional seeding device.

[0022] Figure 3 It is a spraying assembly structure schematic diagram of the agricultural multifunctional seeding device.

[0023] Figure 4 It is a driving assembly structure schematic diagram of the agricultural multifunctional seeding device.

[0024] Figure 5 It is a dredging component structure schematic diagram of the agricultural multifunctional seeding device.

[0025] Figure 6 It is a seed tank stirring component structure schematic diagram of the agricultural multifunctional seeding device.

[0026] Figure 7 It is a seed tank stirring component structure schematic diagram of the agricultural multifunctional seeding device. Figure 4 The enlarged view of the driving assembly A.

[0027] Figure 8 The enlarged view of the driving assembly B. Figure 4 The enlarged view of the driving assembly B.

[0028] Figure 9 It is a first end surface ratchet structure schematic diagram of the agricultural multifunctional seeding device.

[0029] The figure mark: seed box 1, seeding component 2, air seed metering device 21, furrow opener 22, seed tube 23, chute 231, frame 24, cover plate 25, seed box stirring component 3, rotating ring 31, ring rack 32, stirring rod 33, dredging component 4, scraper ring 41, dredging plug 42, roller 43, fixed rod 44, fertilizing component 5, spraying assembly 51, push block 511, spring 512, pneumatic pump 513, fertilizer water tank 514, water pipe 515, spray head 516, driving assembly 52, motor 521, first rotating shaft 522, cam 523, first end face ratchet 524, second end face ratchet 525, recess 5251, push rod 526, air cylinder 527, first bevel gear 528, second bevel gear 529, second rotating shaft 530, gear 531, recess cam 6, lifting rod 61, fixed plate 62, through hole 621, guide rod 63, ring chute 64, spline shaft 7, connecting key 71, keyway 72. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0031] Embodiment, refer to Figures 1-9 The embodiment provides a kind of agricultural multifunctional seeding device, including seed box 1, seeding component 2, seed box stirring component 3, dredging component 4 and fertilizing component 5, seed box 1 connects seeding component 2;

[0032] Seed box stirring component 3 includes rotating ring 31, ring rack 32 and stirring rod 33, rotating ring 31 is slidably connected with seed box 1, rotating ring 31 is fixedly connected with ring rack 32, and rotating ring 31 is fixedly connected with stirring rod 33.

[0033] Dredging component 4 includes scraper ring 41, dredging plug 42, roller 43 and fixed rod 44, scraper ring 41 is hingedly connected with dredging plug 42, dredging plug 42 is fixedly connected with roller 43, and fixed rod 44 is fixedly connected with scraper ring 41.

[0034] Fertilizing component 5 includes spraying assembly 51, and spraying assembly 51 is used for fertilization.

[0035] Preferably, the embodiment first loads crop seeds into seed box 1, and seeding component 2 sprays seeds by blowing air, when the device walks in hilly mountainous area, since heavy soil exists generally in mountainous area, traditional mechanical power and durability are not enough, seed metering device is easily blocked by clay, and dredging component 4 can push and pull the clay blocked in the end to dredge seed metering device, but when seed metering device blocking signal triggers, it cannot be judged whether the lower end is blocked or seed box 1 supply is interrupted, and seed box stirring component 3 and dredging component 4 linkage can solve the two problems simultaneously, efficiently solve the problem of seed metering device blocking, and can not be interrupted seeding;

[0036] The driving assembly 52 drives the annular rack 32 to drive the rotating ring 31 to rotate, thereby driving the stirring rod 33 to rotate. The stirring rod 33 can break the arch bridge effect formed by the seeds in the seed tank 1 during rotation, thereby restoring the seed supply;

[0037] The driving assembly 52 drives the scraper ring 41 to move up and down, and the scraper ring 41 drives the dredging plug 42 to move up and down. When the dredging plug 42 moves downward, the roller 43 rotates inward, thereby driving the dredging plug 42 to scrape off the soil on the inner wall of the seed metering device. When the dredging plug 42 moves downward, the roller 43 rotates outward, thereby preventing the soil from being brought into the upper end of the seed metering device, thereby improving the dredging efficiency.

[0038] The driving assembly 52 can drive the spraying assembly 51 to fertilize beside the seeding trench, thereby reducing the cost of seeding operation.

[0039] With reference to Figure 1 The seeding member 2 comprises an air suction seed metering device 21, an opener 22, a seed tube 23, a rack 24, and a covering plate 25. The seed tank 22 is fixedly connected to the rack 24, the rack 24 is fixedly connected to the covering plate 25, the air suction seed metering device 21 is arranged on the rack 24, and the opener 22 is bolted to the seed tube 23.

[0040] Preferably, with reference to Figure 2 The scraper ring 41 is slidingly connected to the seed tube 23, and the seed tube 23 is provided with a sliding groove 231.

[0041] Preferably, the scraper ring 41 can slide in the seed tube 23.

[0042] With reference to Figures 3-9 The driving assembly 52 comprises a motor 521, a first rotating shaft 522, a cam 523, a first end face ratchet wheel 524, a spline shaft 7, a second end face ratchet wheel 525, a groove 5251, a lever 526, a pneumatic cylinder 527, a first bevel gear 528, a second bevel gear 529, a second rotating shaft 530, and a gear 531. The output shaft of the motor 521 is rotationally connected to the first rotating shaft 522, the first rotating shaft 522 is fixedly connected to the cam 523, the first end face ratchet wheel 524 is fixedly connected to the first rotating shaft 522, the first end face ratchet wheel 524 is meshingly connected to the second end face ratchet wheel 525, the second end face ratchet wheel 525 is fixedly connected to the groove 5251, the second end face ratchet wheel 525 is keyed to the spline shaft 7, the lever is engaged with the groove 5251, the pneumatic cylinder 527 is fixedly connected to the lever 526, the first bevel gear 528 is fixedly connected to the second end face ratchet wheel 525, the first bevel gear 528 is meshingly connected to the second bevel gear 529, the second bevel gear 529 is fixedly connected to the second rotating shaft 530, the second rotating shaft 530 is fixedly connected to the gear 531, and the gear 531 is meshingly connected to the annular rack 32.

[0043] The preferred embodiment of the present application, start motor 521, drive the first rotating shaft 522 rotation, the first rotating shaft 522 drive cam 523 rotation, cam 523 intermittent extrusion spray assembly 51, so as to carry out the pump water, so as to realize the fertilization;

[0044] When the pipe 23 inside the clogging signal, control cylinder 527 stretch, drive the shift rod 526, so as to drive the first end face gear 524 and the second end face gear 525 meshing, so that the second end face gear 525 can also follow the first rotating shaft 522 rotation, so as to realize the transmission of power, at this time, the second end face gear 525 drive spline shaft 7 rotation, spline shaft 7 drive the first bevel gear 528 rotation, the first bevel gear 528 drive the second rotating shaft 530 rotation, the second rotating shaft 530 drive gear 531 rotation, gear 531 drive ring gear 32 rotation, when the first end face gear 524 and the second end face gear 525 meshing separation, can realize the power cut-off, so as to close the seed tank stirring member 3 and dredging member 4, continue to carry on the fertilization and seeding operation.

[0045] Referring to 4, also includes groove cam 6, pull rod 61, fixed plate 62 and guide rod 63, pull rod 61 one end of the sliding connection groove cam 6, pull rod 61 the other end of the fixed connection fixed rod 44, the first rotating shaft 522 rotation connection fixed plate 62.

[0046] The preferred embodiment of the present application, spline shaft 7 rotation, drive the groove cam 6 eccentric rotation, the groove cam 6 drive pull rod 61 up and down reciprocating, so as to drive the scraper ring 41 up and down.

[0047] Referring to Figure 3 , spray assembly 51 includes shift block 511, spring 512, pneumatic pump 513, fertilizer tank 514, water pipe 515 and spray head 516, shift block 511 fixed connection pneumatic pump 513 piston rod, pneumatic pump 513 piston rod set with spring 512, pneumatic pump 513 one end connection fertilizer tank 514, pneumatic pump 513 the other end connection water pipe 515, water pipe 515 fixed connection spray head 516.

[0048] The preferred embodiment of the present application, in the process of cam 523 rotation, flange extrusion shift block 511, shift block 511 extrusion spring 512, shift block 511 extrusion pneumatic pump water, water through water pipe 515 from the spray head 516, when the cam 523 turn to flange away from shift block 511, shift block 511 reset, 513 from the fertilizer tank 514 water, fertilizer liquid beside the seeding port, prevent burning seeds, finally complete a ditch two bottom fertilizer seeding.

[0049] Referring to Figure 8 and Figure 9 , spline shaft 7 is provided with a connection key 71.

[0050] The second end face ratchet 525 is preferably capable of driving the spline shaft 7 to rotate through the connecting key 72.

[0051] Referring to Figure 9 The second end face ratchet 525 is provided with a keyway 72.

[0052] The second end face ratchet 525 is preferably capable of moving on the spline shaft 7.

[0053] Referring to Figure 7 The groove cam 6 is provided with an annular sliding groove 64.

[0054] The lifting rod 61 is preferably capable of sliding up and down on the groove cam 6.

[0055] Referring to Figure 4 The fixed plate 62 is provided with a through hole 621.

[0056] The lifting rod 61 is preferably capable of sliding up and down in the through hole 621.

[0057] Working principle: first, the crop seeds are loaded into the seed box 1, and the sowing component 2 sprays the seeds by blowing air. When the device is running on hilly land, due to the existence of heavy soil in the mountainous area, the traditional mechanical power and durability are not enough, and the seed metering device is easily blocked by clay, and the dredging component 4 can push and pull the clay to dredge the seed metering device. However, when the blocking signal is triggered, it is not possible to determine whether the lower end is blocked or the supply of the seed box 1 is interrupted. The seed box stirring component 3 and the dredging component 4 are linked to solve the two problems at the same time, efficiently solve the problem of seed blocking, and can continuously sow seeds;

[0058] When the seed tube 23 sends out a blocking signal, the control cylinder 527 extends to drive the shift rod 526 to move, so that the first end face ratchet 524 and the second end face ratchet 525 are engaged, so that the second end face ratchet 525 can also rotate with the first rotating shaft 522, thereby realizing power transmission. At this time, the second end face ratchet 525 drives the spline shaft 7 to rotate, the spline shaft 7 drives the first bevel gear 528 to rotate, the first bevel gear 528 drives the second rotating shaft 530 to rotate, the second rotating shaft 530 drives the gear 531 to rotate, the gear 531 drives the annular rack 32 to rotate, the annular rack 32 drives the rotating ring 31 to rotate, thereby driving the stirring rod 33 to rotate. The stirring rod 33 can break the arch bridge effect formed by the seeds in the seed box 1 during rotation, thereby restoring the supply;

[0059] The spline shaft 7 rotates to drive the eccentric rotation of the groove cam 6, the groove cam 6 drives the up-down reciprocating lifting of the lifting rod 61, thereby driving the up-down movement of the scraper ring 41, the scraper ring 41 drives the up-down movement of the dredging plug 42, when the dredging plug 42 moves downward, the roller 43 rotates inward, thereby driving the dredging plug 42 to scrape the soil on the inner wall of the seed metering device, when the dredging plug 42 moves downward, the roller 43 rotates outward, thereby preventing the soil from being brought into the seed metering device, thereby improving the dredging efficiency;

[0060] The spraying assembly 51 fertilizes beside the seeding trench, in the process of rotation of the cam 523, the flange extrudes the push block 511, the push block 511 extrudes the spring 512, the push block 511 extrudes the pneumatic pump to spray water, the water flows out from the spray head 516 through the water pipe 515, when the cam 523 rotates to the flange away from the push block 511, the push block 511 resets, 513 draws water from the fertilizer water tank 514, the fertilizer liquid is beside the seeding port, preventing the seed from being burned, finally completing one trench two bottom fertilizer seeding, thereby reducing the seeding operation cost;

[0061] When the first end face ratchet wheel 524 and the second end face ratchet wheel 525 mesh and disengage, power cut-off can be realized, thereby closing the seed box stirring member 3 and the dredging member 4, and continuing the fertilizing and seeding operation;

[0062] The device can timely dredge the seed tube 1, prevent the seed metering device from being blocked by clay to cause intermittent seeding, solve the two problems of lower end blockage and feed interruption when the traditional blockage mode triggers the seed metering device blockage signal, efficiently solve the seed metering blockage problem, realize uninterrupted seeding and fertilizing, and improve the operation efficiency.

Claims

1. A multifunctional agricultural seeding device, characterized in that: It includes a seed box, a sowing component, a seed box mixing component, a dredging component, and a fertilization component, wherein the seed box is connected to the sowing component; The seed box stirring component includes a rotating ring, an annular rack, and a stirring rod. The rotating ring is slidably connected to the seed box, and the rotating ring is fixedly connected to the annular rack. The unblocking component includes a scraper ring, an unblocking plug, a roller, and a fixing rod. The scraper ring is hinged to the unblocking plug, the unblocking plug is fixedly connected to the roller, and the fixing rod is fixedly connected to the scraper ring. The fertilization component includes a spray assembly, which is used for fertilization; The sowing components include a pneumatic seed metering device, a furrow opener, a seed tube, a frame, and a soil covering plate. The seed box is fixedly connected to the frame, the frame is fixedly connected to the soil covering plate, the pneumatic seed metering device is installed on the frame, and the furrow opener is bolted to the seed tube. The scraper ring is slidably connected to the seed tube, and the seed tube is provided with a sliding groove; It also includes a drive assembly, which comprises a motor, a first rotating shaft, a cam, a first end-face ratchet, a splined shaft, a second end-face ratchet, a groove, a lever, a cylinder, a first bevel gear, a second bevel gear, a second rotating shaft, and a gear. The motor output shaft is rotatably connected to the first rotating shaft, the first rotating shaft is fixedly connected to the cam, the first end-face ratchet is fixedly connected to the first rotating shaft, the first end-face ratchet meshes with the second end-face ratchet, the second end-face ratchet is fixedly connected to the groove, the second end-face ratchet is keyed to the splined shaft, the lever engages with the groove, the cylinder is fixedly connected to the lever, the first bevel gear is fixedly connected to the second end-face ratchet, the first bevel gear meshes with the second bevel gear, the second bevel gear is fixedly connected to the second rotating shaft, the second rotating shaft is fixedly connected to the gear, and the gear meshes with a ring rack. It also includes a grooved cam, a lifting rod, a fixing plate, and a guide rod. One end of the lifting rod is slidably connected to the grooved cam, and the other end of the lifting rod is fixedly connected to the fixing rod. The first rotating shaft is rotatably connected to the fixing plate.

2. The agricultural multifunctional seeding device as described in claim 1, characterized in that: The spray assembly includes a lever, a spring, a pneumatic pump, a fertilizer tank, a water supply pipe, and a nozzle. The lever is fixedly connected to the piston rod of the pneumatic pump, and the piston rod of the pneumatic pump is fitted with a spring. One end of the pneumatic pump is connected to the fertilizer tank, and the other end of the pneumatic pump is connected to the water supply pipe. The water supply pipe is fixedly connected to the nozzle.

3. The agricultural multifunctional seeding device as described in claim 1, characterized in that: The splined shaft is equipped with a connecting key.

4. The agricultural multifunctional seeding device as described in claim 1, characterized in that: The second end face ratchet has a keyway.

5. The agricultural multifunctional seeding device as described in claim 1, characterized in that: The grooved cam has an annular sliding groove.

6. The agricultural multifunctional seeding device as described in claim 1, characterized in that: The fixing plate has through holes.

Citation Information

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